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BOOK.PS：源码内容

1110(*)S
((u32_t)252 1194 A
1488(*))S
(dtp->base)378 1614 A
2034(=)S
(vir2phys(idt);)588 2118 A
2700 V
(07835)210 648 A
2790 V
(07836)210 648 A
1110(/*)S
(Build)210 1236 A
(segment)294 1488 A
(descriptors)462 1824 A
(for)126 2328 A
(tasks)210 2496 A
(and)126 2748 A
(interrupt)378 2916 A
(handlers.)378 3336 A
3756(*/)S
2880 V
(07837)210 648 A
(init_codeseg(&gdt[CS_INDEX],)1176 1110 A
(code_base,)420 2328 A
(code_bytes,)462 2790 A
(INTR_PRIVILEGE);)672 3294 A
2970 V
(07838)210 648 A
(init_dataseg(&gdt[DS_INDEX],)1176 1110 A
(data_base,)420 2328 A
(data_bytes,)462 2790 A
(INTR_PRIVILEGE);)672 3294 A
3060 V
(07839)210 648 A
(init_dataseg(&gdt[ES_INDEX],)1176 1110 A
(0L,)126 2328 A
(0L,)126 2496 A
(TASK_PRIVILEGE);)672 2664 A
3150 V
(07840)210 648 A
3240 V
(07841)210 648 A
1110(/*)S
(Build)210 1236 A
(scratch)294 1488 A
(descriptors)462 1824 A
(for)126 2328 A
(functions)378 2496 A
2916(in)S
(klib88.)294 3042 A
3378(*/)S
3330 V
(07842)210 648 A
(init_dataseg(&gdt[DS_286_INDEX],)1344 1110 A
((phys_bytes))504 2496 A
3042(0,)S
3420 V
(07843)210 648 A
((phys_bytes))504 1656 A
(MAX_286_SEG_SIZE,)714 2202 A
(TASK_PRIVILEGE);)672 2958 A
3510 V
(07844)210 648 A
(init_dataseg(&gdt[ES_286_INDEX],)1344 1110 A
((phys_bytes))504 2496 A
3042(0,)S
3600 V
(07845)210 648 A
((phys_bytes))504 1656 A
(MAX_286_SEG_SIZE,)714 2202 A
(TASK_PRIVILEGE);)672 2958 A
3690 V
(07846)210 648 A
3780 V
(07847)210 648 A
1110(/*)S
(Build)210 1236 A
(local)210 1488 A
(descriptors)462 1740 A
2244(in)S
(GDT)126 2370 A
(for)126 2538 A
(LDT's)210 2706 A
2958(in)S
(process)294 3084 A
(table.)252 3420 A
3870 V
(07848)210 648 A
1152(*)S
(The)126 1236 A
(LDT's)210 1404 A
(are)126 1656 A
(allocated)378 1824 A
2244(at)S
(compile)294 2370 A
(time)168 2706 A
2916(in)S
(the)126 3042 A
(process)294 3210 A
(table,)252 3546 A
(and)126 3840 A
3960 V
(07849)210 648 A
1152(*)S
(initialized)462 1236 A
(whenever)336 1740 A
2118(a)S
(process')336 2202 A
(map)126 2580 A
2748(is)S
(initialized)462 2874 A
3378(or)S
(changed.)336 3504 A
4050 V
(07850)210 648 A
1152(*/)S
4140 V
(07851)210 648 A
(for)126 1110 A
((rp)126 1278 A
1446(=)S
(BEG_PROC_ADDR,)588 1530 A
(ldt_selector)504 2160 A
2706(=)S
(FIRST_LDT_INDEX)630 2790 A
3462(*)S
(DESC_SIZE;)420 3546 A
4230 V
(07852)210 648 A
1320(rp)S
1446(<)S
(END_PROC_ADDR;)588 1530 A
(++rp,)210 2160 A
(ldt_selector)504 2412 A
2958(+=)S
(DESC_SIZE))420 3084 A
3546({)S
4320 V
(07853)210 648 A
(init_dataseg(&gdt[ldt_selector)1260 1362 A
2664(/)S
(DESC_SIZE],)462 2748 A
(vir2phys(rp->p_ldt),)840 3252 A
4410 V
(07854)210 648 A
((phys_bytes))504 1908 A
(sizeof)252 2454 A
(rp->p_ldt,)420 2748 A
(INTR_PRIVILEGE);)672 3210 A
4500 V
(07855)210 648 A
(gdt[ldt_selector)672 1362 A
2076(/)S
(DESC_SIZE].access)714 2160 A
2916(=)S
(PRESENT)294 3000 A
3336(|)S
(LDT;)168 3420 A
4590 V
(07856)210 648 A
(rp->p_ldt_sel)546 1362 A
1950(=)S
(ldt_selector;)546 2034 A
4680 V
(07857)210 648 A
1110(})S
4770 V
(07858)210 648 A
4860 V
(07859)210 648 A
1110(/*)S
(Build)210 1236 A
(main)168 1488 A
(TSS.)168 1698 A
4950 V
(07860)210 648 A
1152(*)S
(This)168 1236 A
1446(is)S
(used)168 1572 A
(only)168 1782 A
1992(to)S
(record)252 2118 A
(the)126 2412 A
(stack)210 2580 A
(pointer)294 2832 A
3168(to)S
3294(be)S
(used)168 3420 A
(after)210 3630 A
3882(an)S
5040 V
(07861)210 648 A
1152(*)S
(interrupt.)420 1236 A
5130 V
(07862)210 648 A
1152(*)S
(The)126 1236 A
(pointer)294 1404 A
1740(is)S
(set)126 1866 A
2034(up)S
2160(so)S
(that)168 2286 A
2496(an)S
(interrupt)378 2622 A
(automatically)546 3042 A
(saves)210 3630 A
(the)126 3882 A
5220 V
(07863)210 648 A
1152(*)S
(current)294 1236 A
(process's)378 1572 A
(registers)378 1992 A
(ip:cs:f:sp:ss)546 2412 A
3000(in)S
(the)126 3126 A
(correct)294 3294 A
(slots)210 3630 A
3882(in)S
(the)126 4008 A
5310 V
(07864)210 648 A
1152(*)S
(process)294 1236 A
(table.)252 1572 A
5400 V
(07865)210 648 A
1152(*/)S
5490 V
(07866)210 648 A
(tss.ss0)294 1110 A
1446(=)S
(DS_SELECTOR;)504 1530 A
5580 V
(07867)210 648 A
(init_dataseg(&gdt[TSS_INDEX],)1218 1110 A
(vir2phys(&tss),)630 2370 A
((phys_bytes))504 3042 A
(sizeof)252 3588 A
(tss,)168 3882 A
5670 V
(07868)210 648 A
(INTR_PRIVILEGE);)672 3378 A
5760 V
(07869)210 648 A
(gdt[TSS_INDEX].access)882 1110 A
2034(=)S
(PRESENT)294 2118 A
2454(|)S
((INTR_PRIVILEGE)630 2538 A
3210(<<)S
(DPL_SHIFT))420 3336 A
3798(|)S
(TSS_TYPE;)378 3882 A
5850 V
(07870)210 648 A
(tss.iobase)420 1110 A
1572(=)S
(sizeof)252 1656 A
(tss;)168 1950 A
2370(/*)S
(empty)210 2496 A
(i/o)126 2748 A
(permissions)462 2916 A
(map)126 3420 A
3588(*/)S
5940 V
(07871)210 648 A
6030 V
(07872)210 648 A
1110(/*)S
(Build)210 1236 A
(descriptors)462 1488 A
(for)126 1992 A
(interrupt)378 2160 A
(gates)210 2580 A
2832(in)S
(IDT.)168 2958 A
3168(*/)S
6120 V
(07873)210 648 A
(for)126 1110 A
((gtp)168 1278 A
1488(=)S
(&gate_table[0];)630 1572 A
6210 V
(07874)210 648 A
(gtp)126 1320 A
1488(<)S
(&gate_table[sizeof)756 1572 A
(gate_table)420 2370 A
2832(/)S
(sizeof)252 2916 A
(gate_table[0]];)630 3210 A
(++gtp))252 3882 A
4176({)S
8418 V
EP
%%Page: 97 97
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/protect.c)S
12 B
4308(97)S
900 V
7 LST
(07875)210 648 A
(int_gate(gtp->vec_nr,)882 1362 A
((phys_bytes))504 2286 A
((vir_bytes))462 2832 A
(gtp->gate,)420 3336 A
990 V
(07876)210 648 A
(PRESENT)294 1740 A
2076(|)S
(INT_GATE_TYPE)546 2160 A
2748(|)S
((gtp->privilege)630 2832 A
3504(<<)S
(DPL_SHIFT));)504 3630 A
1080 V
(07877)210 648 A
1110(})S
1170 V
(07878)210 648 A
(int_gate(SYS_VECTOR,)840 1110 A
((phys_bytes))504 1992 A
((vir_bytes))462 2538 A
(p_s_call,)378 3042 A
1260 V
(07879)210 648 A
(PRESENT)294 1488 A
1824(|)S
((USER_PRIVILEGE)630 1908 A
2580(<<)S
(DPL_SHIFT))420 2706 A
3168(|)S
(INT_GATE_TYPE);)630 3252 A
1350 V
(07880)210 648 A
(int_gate(LEVEL0_VECTOR,)966 1110 A
((phys_bytes))504 2118 A
((vir_bytes))462 2664 A
(level0_call,)504 3168 A
1440 V
(07881)210 648 A
(PRESENT)294 1488 A
1824(|)S
((TASK_PRIVILEGE)630 1908 A
2580(<<)S
(DPL_SHIFT))420 2706 A
3168(|)S
(INT_GATE_TYPE);)630 3252 A
1530 V
(07882)210 648 A
(int_gate(SYS386_VECTOR,)966 1110 A
((phys_bytes))504 2118 A
((vir_bytes))462 2664 A
(s_call,)294 3168 A
1620 V
(07883)210 648 A
(PRESENT)294 1488 A
1824(|)S
((USER_PRIVILEGE)630 1908 A
2580(<<)S
(DPL_SHIFT))420 2706 A
3168(|)S
(INT_GATE_TYPE);)630 3252 A
1710 V
(07884)210 648 A
1026(})S
1890 V
(07886)210 648 A
(/*=========================================================================*)3192 1026 A
1980 V
(07887)210 648 A
1068(*)S
(init_codeseg)504 2370 A
4176(*)S
2070 V
(07888)210 648 A
(*=========================================================================*/)3192 1068 A
2160 V
(07889)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(init_codeseg(segdp,)798 1530 A
(base,)210 2370 A
(size,)210 2622 A
(privilege))420 2874 A
2250 V
(07890)210 648 A
(register)336 1026 A
(struct)252 1404 A
(segdesc_s)378 1698 A
(*segdp;)294 2118 A
2340 V
(07891)210 648 A
(phys_bytes)420 1026 A
(base;)210 1488 A
2430 V
(07892)210 648 A
(phys_bytes)420 1026 A
(size;)210 1488 A
2520 V
(07893)210 648 A
(int)126 1026 A
(privilege;)420 1194 A
2610 V
(07894)210 648 A
1026({)S
2700 V
(07895)210 648 A
1026(/*)S
(Build)210 1152 A
(descriptor)420 1404 A
(for)126 1866 A
2034(a)S
(code)168 2118 A
(segment.)336 2328 A
2706(*/)S
2790 V
(07896)210 648 A
2880 V
(07897)210 648 A
(sdesc(segdp,)504 1110 A
(base,)210 1656 A
(size);)252 1908 A
2970 V
(07898)210 648 A
(segdp->access)546 1110 A
1698(=)S
((privilege)420 1782 A
2244(<<)S
(DPL_SHIFT))420 2370 A
3060 V
(07899)210 648 A
1698(|)S
((PRESENT)336 1782 A
2160(|)S
(SEGMENT)294 2244 A
2580(|)S
(EXECUTABLE)420 2664 A
3126(|)S
(READABLE);)420 3210 A
3150 V
(07900)210 648 A
1698(/*)S
(CONFORMING)420 1824 A
2286(=)S
2370(0,)S
(ACCESSED)336 2496 A
2874(=)S
2958(0)S
3042(*/)S
3240 V
(07901)210 648 A
1026(})S
3420 V
(07903)210 648 A
(/*=========================================================================*)3192 1026 A
3510 V
(07904)210 648 A
1068(*)S
(init_dataseg)504 2370 A
4176(*)S
3600 V
(07905)210 648 A
(*=========================================================================*/)3192 1068 A
3690 V
(07906)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(init_dataseg(segdp,)798 1530 A
(base,)210 2370 A
(size,)210 2622 A
(privilege))420 2874 A
3780 V
(07907)210 648 A
(register)336 1026 A
(struct)252 1404 A
(segdesc_s)378 1698 A
(*segdp;)294 2118 A
3870 V
(07908)210 648 A
(phys_bytes)420 1026 A
(base;)210 1488 A
3960 V
(07909)210 648 A
(phys_bytes)420 1026 A
(size;)210 1488 A
4050 V
(07910)210 648 A
(int)126 1026 A
(privilege;)420 1194 A
4140 V
(07911)210 648 A
1026({)S
4230 V
(07912)210 648 A
1026(/*)S
(Build)210 1152 A
(descriptor)420 1404 A
(for)126 1866 A
2034(a)S
(data)168 2118 A
(segment.)336 2328 A
2706(*/)S
4320 V
(07913)210 648 A
4410 V
(07914)210 648 A
(sdesc(segdp,)504 1110 A
(base,)210 1656 A
(size);)252 1908 A
4500 V
(07915)210 648 A
(segdp->access)546 1110 A
1698(=)S
((privilege)420 1782 A
2244(<<)S
(DPL_SHIFT))420 2370 A
2832(|)S
((PRESENT)336 2916 A
3294(|)S
(SEGMENT)294 3378 A
3714(|)S
(WRITEABLE);)462 3798 A
4590 V
(07916)210 648 A
1698(/*)S
(EXECUTABLE)420 1824 A
2286(=)S
2370(0,)S
(EXPAND_DOWN)462 2496 A
3000(=)S
3084(0,)S
(ACCESSED)336 3210 A
3588(=)S
3672(0)S
3756(*/)S
4680 V
(07917)210 648 A
1026(})S
4860 V
(07919)210 648 A
(/*=========================================================================*)3192 1026 A
4950 V
(07920)210 648 A
1068(*)S
(sdesc)210 2370 A
4176(*)S
5040 V
(07921)210 648 A
(*=========================================================================*/)3192 1068 A
5130 V
(07922)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(sdesc(segdp,)504 1572 A
(base,)210 2118 A
(size))210 2370 A
5220 V
(07923)210 648 A
(register)336 1026 A
(struct)252 1404 A
(segdesc_s)378 1698 A
(*segdp;)294 2118 A
5310 V
(07924)210 648 A
(phys_bytes)420 1026 A
(base;)210 1488 A
5400 V
(07925)210 648 A
(phys_bytes)420 1026 A
(size;)210 1488 A
5490 V
(07926)210 648 A
1026({)S
5580 V
(07927)210 648 A
1026(/*)S
(Fill)168 1152 A
1362(in)S
(the)126 1488 A
(size)168 1656 A
(fields)252 1866 A
((base,)252 2160 A
(limit)210 2454 A
(and)126 2706 A
(granularity))504 2874 A
3420(of)S
3546(a)S
(descriptor.)462 3630 A
4134(*/)S
5670 V
(07928)210 648 A
5760 V
(07929)210 648 A
(segdp->base_low)630 1110 A
1782(=)S
(base;)210 1866 A
5850 V
(07930)210 648 A
(segdp->base_middle)756 1110 A
1908(=)S
(base)168 1992 A
2202(>>)S
(BASE_MIDDLE_SHIFT;)756 2328 A
5940 V
(07931)210 648 A
(segdp->base_high)672 1110 A
1824(=)S
(base)168 1908 A
2118(>>)S
(BASE_HIGH_SHIFT;)672 2244 A
6030 V
(07932)210 648 A
(--size;)294 1110 A
2370(/*)S
(convert)294 2496 A
2832(to)S
2958(a)S
(limit,)252 3042 A
3336(0)S
(size)168 3420 A
(means)210 3630 A
3882(4G)S
4008(*/)S
6120 V
(07933)210 648 A
1110(if)S
((size)210 1236 A
1488(>)S
(BYTE_GRAN_MAX))588 1572 A
2202({)S
6210 V
(07934)210 648 A
(segdp->limit_low)672 1362 A
2076(=)S
(size)168 2160 A
2370(>>)S
(PAGE_GRAN_SHIFT;)672 2496 A
8418 V
EP
%%Page: 98 98
BP
/slant 0 def
/height 0 def
630 V
12 B
648(98)S
11 R
1993(File:)S
2226(src/kernel/protect.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(07935)210 648 A
(segdp->granularity)756 1362 A
2160(=)S
(GRANULAR)336 2244 A
2622(|)S
((size)210 2706 A
2958(>>)S
990 V
(07936)210 648 A
((PAGE_GRAN_SHIFT)672 2580 A
3294(+)S
(GRANULARITY_SHIFT));)840 3378 A
1080 V
(07937)210 648 A
1110(})S
(else)168 1194 A
1404({)S
1170 V
(07938)210 648 A
(segdp->limit_low)672 1362 A
2076(=)S
(size;)210 2160 A
1260 V
(07939)210 648 A
(segdp->granularity)756 1362 A
2160(=)S
(size)168 2244 A
2454(>>)S
(GRANULARITY_SHIFT;)756 2580 A
1350 V
(07940)210 648 A
1110(})S
1440 V
(07941)210 648 A
(segdp->granularity)756 1110 A
1908(|=)S
(DEFAULT;)336 2034 A
2706(/*)S
(means)210 2832 A
(BIG)126 3084 A
(for)126 3252 A
(data)168 3420 A
(seg)126 3630 A
3798(*/)S
1530 V
(07942)210 648 A
1026(})S
1710 V
(07944)210 648 A
(/*=========================================================================*)3192 1026 A
1800 V
(07945)210 648 A
1068(*)S
(seg2phys)336 2370 A
4176(*)S
1890 V
(07946)210 648 A
(*=========================================================================*/)3192 1068 A
1980 V
(07947)210 648 A
(PUBLIC)252 1026 A
(phys_bytes)420 1320 A
(seg2phys(seg))546 1782 A
2070 V
(07948)210 648 A
(U16_t)210 1026 A
(seg;)168 1278 A
2160 V
(07949)210 648 A
1026({)S
2250 V
(07950)210 648 A
1026(/*)S
(Return)252 1152 A
(the)126 1446 A
(base)168 1614 A
(address)294 1824 A
2160(of)S
2286(a)S
(segment,)336 2370 A
(with)168 2748 A
(seg)126 2958 A
(being)210 3126 A
(either)252 3378 A
3672(a)S
(8086)168 3756 A
(segment)294 3966 A
2340 V
(07951)210 648 A
1068(*)S
(register,)378 1152 A
1572(or)S
1698(a)S
(286/386)294 1782 A
(segment)294 2118 A
(selector.)378 2454 A
2430 V
(07952)210 648 A
1068(*/)S
2520 V
(07953)210 648 A
(phys_bytes)420 1110 A
(base;)210 1572 A
2610 V
(07954)210 648 A
(struct)252 1110 A
(segdesc_s)378 1404 A
(*segdp;)294 1824 A
2700 V
(07955)210 648 A
2790 V
(07956)210 648 A
1110(if)S
((!protected_mode))714 1236 A
1992({)S
2880 V
(07957)210 648 A
(base)168 1362 A
1572(=)S
(hclick_to_physb(seg);)882 1656 A
2970 V
(07958)210 648 A
1110(})S
(else)168 1194 A
1404({)S
3060 V
(07959)210 648 A
(segdp)210 1362 A
1614(=)S
(&gdt[seg)336 1698 A
2076(>>)S
(3];)126 2202 A
3150 V
(07960)210 648 A
(base)168 1362 A
1572(=)S
(segdp->base_low)630 1656 A
2328(|)S
(((u32_t))336 2412 A
(segdp->base_middle)756 2790 A
3588(<<)S
(16);)168 3714 A
3240 V
(07961)210 648 A
(base)168 1362 A
1572(|=)S
(((u32_t))336 1698 A
(segdp->base_high)672 2076 A
2790(<<)S
(24);)168 2916 A
3330 V
(07962)210 648 A
1110(})S
3420 V
(07963)210 648 A
(return)252 1110 A
(base;)210 1404 A
3510 V
(07964)210 648 A
1026(})S
3690 V
(07966)210 648 A
(/*=========================================================================*)3192 1026 A
3780 V
(07967)210 648 A
1068(*)S
(int_gate)336 2370 A
4176(*)S
3870 V
(07968)210 648 A
(*=========================================================================*/)3192 1068 A
3960 V
(07969)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(int_gate(vec_nr,)672 1572 A
(base,)210 2286 A
(dpl_type))378 2538 A
4050 V
(07970)210 648 A
(unsigned)336 1026 A
(vec_nr;)294 1404 A
4140 V
(07971)210 648 A
(phys_bytes)420 1026 A
(base;)210 1488 A
4230 V
(07972)210 648 A
(unsigned)336 1026 A
(dpl_type;)378 1404 A
4320 V
(07973)210 648 A
1026({)S
4410 V
(07974)210 648 A
1026(/*)S
(Build)210 1152 A
(descriptor)420 1404 A
(for)126 1866 A
2034(an)S
(interrupt)378 2160 A
(gate.)210 2580 A
2832(*/)S
4500 V
(07975)210 648 A
4590 V
(07976)210 648 A
(register)336 1110 A
(struct)252 1488 A
(gatedesc_s)420 1782 A
(*idp;)210 2244 A
4680 V
(07977)210 648 A
4770 V
(07978)210 648 A
(idp)126 1110 A
1278(=)S
(&idt[vec_nr];)546 1362 A
4860 V
(07979)210 648 A
(idp->offset_low)630 1110 A
1782(=)S
(base;)210 1866 A
4950 V
(07980)210 648 A
(idp->selector)546 1110 A
1698(=)S
(CS_SELECTOR;)504 1782 A
5040 V
(07981)210 648 A
(idp->p_dpl_type)630 1110 A
1782(=)S
(dpl_type;)378 1866 A
5130 V
(07982)210 648 A
(idp->offset_high)672 1110 A
1824(=)S
(base)168 1908 A
2118(>>)S
(OFFSET_HIGH_SHIFT;)756 2244 A
5220 V
(07983)210 648 A
1026(})S
5400 V
(07985)210 648 A
(/*=========================================================================*)3192 1026 A
5490 V
(07986)210 648 A
1068(*)S
(enable_iop)420 2370 A
4176(*)S
5580 V
(07987)210 648 A
(*=========================================================================*/)3192 1068 A
5670 V
(07988)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(enable_iop(pp))588 1530 A
5760 V
(07989)210 648 A
(struct)252 1026 A
(proc)168 1320 A
(*pp;)168 1530 A
5850 V
(07990)210 648 A
1026({)S
5940 V
(07991)210 648 A
1026(/*)S
(Allow)210 1152 A
1404(a)S
(user)168 1488 A
(process)294 1698 A
2034(to)S
(use)126 2160 A
(I/O)126 2328 A
(instructions.)546 2496 A
(Change)252 3126 A
(the)126 3420 A
(I/O)126 3588 A
(Permission)420 3756 A
6030 V
(07992)210 648 A
1068(*)S
(Level)210 1152 A
(bits)168 1404 A
1614(in)S
(the)126 1740 A
(psw.)168 1908 A
(These)210 2118 A
(specify)294 2370 A
(least-privileged)672 2706 A
(Current)294 3420 A
(Permission)420 3756 A
6120 V
(07993)210 648 A
1068(*)S
(Level)210 1152 A
(allowed)294 1404 A
1740(to)S
(execute)294 1866 A
(I/O)126 2202 A
(instructions.)546 2370 A
(Users)210 2958 A
(and)126 3210 A
(servers)294 3378 A
(have)168 3714 A
(CPL)126 3924 A
4092(3.)S
6210 V
(07994)210 648 A
1068(*)S
(You)126 1152 A
(can't)210 1320 A
(have)168 1572 A
(less)168 1782 A
(privilege)378 1992 A
(than)168 2412 A
(that.)210 2622 A
(Kernel)252 2874 A
(has)126 3168 A
(CPL)126 3336 A
3504(0,)S
(tasks)210 3630 A
(CPL)126 3882 A
4050(1.)S
8418 V
EP
%%Page: 99 99
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1993(File:)S
2226(src/kernel/protect.c)S
12 B
4308(99)S
900 V
7 LST
(07995)210 648 A
1068(*/)S
990 V
(07996)210 648 A
(pp->p_reg.psw)546 1110 A
1698(|=)S
(0x3000;)294 1824 A
1080 V
(07997)210 648 A
1026(})S
1440 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1530 V
(src/kernel/klib.s)714 2034 A
1620 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
1800 V
(08000)210 648 A
1026(#)S
1890 V
(08001)210 648 A
1026(!)S
(Chooses)294 1110 A
(between)294 1446 A
(the)126 1782 A
(8086)168 1950 A
(and)126 2160 A
(386)126 2328 A
(versions)336 2496 A
2874(of)S
(the)126 3000 A
(low)126 3168 A
(level)210 3336 A
(kernel)252 3588 A
(code.)210 3882 A
1980 V
(08002)210 648 A
2070 V
(08003)210 648 A
(#include)336 1026 A
(<minix/config.h>)672 1404 A
2160 V
(08004)210 648 A
(#if)126 1026 A
(_WORD_SIZE)420 1194 A
1656(==)S
1782(2)S
2250 V
(08005)210 648 A
(#include)336 1026 A
("klib88.s")420 1404 A
2340 V
(08006)210 648 A
(#else)210 1026 A
2430 V
(08007)210 648 A
(#include)336 1026 A
("klib386.s")462 1404 A
2520 V
(08008)210 648 A
(#endif)252 1026 A
2790 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
2880 V
(src/kernel/klib386.s)840 2034 A
2970 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3150 V
(08100)210 648 A
1026(#)S
3240 V
(08101)210 648 A
1026(!)S
(sections)336 1110 A
3330 V
(08102)210 648 A
3420 V
(08103)210 648 A
(.sect)210 1026 A
(.text;)252 1278 A
(.sect)210 1572 A
(.rom;)210 1824 A
(.sect)210 2076 A
(.data;)252 2328 A
(.sect)210 2622 A
(.bss)168 2874 A
3510 V
(08104)210 648 A
3600 V
(08105)210 648 A
(#include)336 1026 A
(<minix/config.h>)672 1404 A
3690 V
(08106)210 648 A
(#include)336 1026 A
(<minix/const.h>)630 1404 A
3780 V
(08107)210 648 A
(#include)336 1026 A
("const.h")378 1404 A
3870 V
(08108)210 648 A
(#include)336 1026 A
("sconst.h")420 1404 A
3960 V
(08109)210 648 A
(#include)336 1026 A
("protect.h")462 1404 A
4050 V
(08110)210 648 A
4140 V
(08111)210 648 A
1026(!)S
(This)168 1110 A
(file)168 1320 A
(contains)336 1530 A
1908(a)S
(number)252 1992 A
2286(of)S
(assembly)336 2412 A
(code)168 2790 A
(utility)294 3000 A
(routines)336 3336 A
(needed)252 3714 A
4008(by)S
(the)126 4134 A
4230 V
(08112)210 648 A
1026(!)S
(kernel.)294 1110 A
(They)168 1488 A
(are:)168 1698 A
4320 V
(08113)210 648 A
4410 V
(08114)210 648 A
(.define)294 1026 A
(_monitor)336 1362 A
2034(!)S
(exit)168 2118 A
(Minix)210 2328 A
(and)126 2580 A
(return)252 2748 A
3042(to)S
(the)126 3168 A
(monitor)294 3336 A
4500 V
(08115)210 648 A
(.define)294 1026 A
(_check_mem)420 1362 A
2034(!)S
(check)210 2118 A
2370(a)S
(block)210 2454 A
2706(of)S
(memory,)294 2832 A
(return)252 3168 A
(the)126 3462 A
(valid)210 3630 A
(size)168 3882 A
4590 V
(08116)210 648 A
(.define)294 1026 A
(_cp_mess)336 1362 A
2034(!)S
(copies)252 2118 A
(messages)336 2412 A
(from)168 2790 A
(source)252 3000 A
3294(to)S
(destination)462 3420 A
4680 V
(08117)210 648 A
(.define)294 1026 A
(_exit)210 1362 A
2034(!)S
(dummy)210 2118 A
(for)126 2370 A
(library)294 2538 A
(routines)336 2874 A
4770 V
(08118)210 648 A
(.define)294 1026 A
(__exit)252 1362 A
2034(!)S
(dummy)210 2118 A
(for)126 2370 A
(library)294 2538 A
(routines)336 2874 A
4860 V
(08119)210 648 A
(.define)294 1026 A
(___exit)294 1362 A
2034(!)S
(dummy)210 2118 A
(for)126 2370 A
(library)294 2538 A
(routines)336 2874 A
4950 V
(08120)210 648 A
(.define)294 1026 A
(___main)294 1362 A
2034(!)S
(dummy)210 2118 A
(for)126 2370 A
(GCC)126 2538 A
5040 V
(08121)210 648 A
(.define)294 1026 A
(_in_byte)336 1362 A
2034(!)S
(read)168 2118 A
2328(a)S
(byte)168 2412 A
(from)168 2622 A
2832(a)S
(port)168 2916 A
(and)126 3126 A
(return)252 3294 A
3588(it)S
5130 V
(08122)210 648 A
(.define)294 1026 A
(_in_word)336 1362 A
2034(!)S
(read)168 2118 A
2328(a)S
(word)168 2412 A
(from)168 2622 A
2832(a)S
(port)168 2916 A
(and)126 3126 A
(return)252 3294 A
3588(it)S
5220 V
(08123)210 648 A
(.define)294 1026 A
(_out_byte)378 1362 A
2034(!)S
(write)210 2118 A
2370(a)S
(byte)168 2454 A
2664(to)S
2790(a)S
(port)168 2874 A
5310 V
(08124)210 648 A
(.define)294 1026 A
(_out_word)378 1362 A
2034(!)S
(write)210 2118 A
2370(a)S
(word)168 2454 A
2664(to)S
2790(a)S
(port)168 2874 A
5400 V
(08125)210 648 A
(.define)294 1026 A
(_port_read)420 1362 A
2034(!)S
(transfer)336 2118 A
(data)168 2496 A
(from)168 2706 A
((disk)210 2916 A
(controller))462 3168 A
(port)168 3672 A
3882(to)S
(memory)252 4008 A
5490 V
(08126)210 648 A
(.define)294 1026 A
(_port_read_byte)630 1362 A
2034(!)S
(likewise)336 2118 A
(byte)168 2496 A
2706(by)S
(byte)168 2832 A
5580 V
(08127)210 648 A
(.define)294 1026 A
(_port_write)462 1362 A
2034(!)S
(transfer)336 2118 A
(data)168 2496 A
(from)168 2706 A
(memory)252 2916 A
3210(to)S
((disk)210 3336 A
(controller))462 3588 A
(port)168 4092 A
5670 V
(08128)210 648 A
(.define)294 1026 A
(_port_write_byte)672 1362 A
2076(!)S
(likewise)336 2160 A
(byte)168 2538 A
2748(by)S
(byte)168 2874 A
5760 V
(08129)210 648 A
(.define)294 1026 A
(_lock)210 1362 A
2034(!)S
(disable)294 2118 A
(interrupts)420 2454 A
5850 V
(08130)210 648 A
(.define)294 1026 A
(_unlock)294 1362 A
2034(!)S
(enable)252 2118 A
(interrupts)420 2412 A
5940 V
(08131)210 648 A
(.define)294 1026 A
(_enable_irq)462 1362 A
2034(!)S
(enable)252 2118 A
2412(an)S
(irq)126 2538 A
2706(at)S
(the)126 2832 A
(8259)168 3000 A
(controller)420 3210 A
6030 V
(08132)210 648 A
(.define)294 1026 A
(_disable_irq)504 1362 A
2034(!)S
(disable)294 2118 A
2454(an)S
(irq)126 2580 A
6120 V
(08133)210 648 A
(.define)294 1026 A
(_phys_copy)420 1362 A
2034(!)S
(copy)168 2118 A
(data)168 2328 A
(from)168 2538 A
(anywhere)336 2748 A
3126(to)S
(anywhere)336 3252 A
3630(in)S
(memory)252 3756 A
6210 V
(08134)210 648 A
(.define)294 1026 A
(_mem_rdw)336 1362 A
2034(!)S
(copy)168 2118 A
(one)126 2328 A
(word)168 2496 A
(from)168 2706 A
([segment:offset])672 2916 A
8418 V
EP
%%Page: 100 100
BP
/slant 0 def
/height 0 def
630 V
12 B
(100)180 648 A
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08135)210 648 A
(.define)294 1026 A
(_reset)252 1362 A
2034(!)S
(reset)210 2118 A
(the)126 2370 A
(system)252 2538 A
990 V
(08136)210 648 A
(.define)294 1026 A
(_mem_vid_copy)546 1362 A
2034(!)S
(copy)168 2118 A
(data)168 2328 A
2538(to)S
(video)210 2664 A
(ram)126 2916 A
1080 V
(08137)210 648 A
(.define)294 1026 A
(_vid_vid_copy)546 1362 A
2034(!)S
(move)168 2118 A
(data)168 2328 A
2538(in)S
(video)210 2664 A
(ram)126 2916 A
1170 V
(08138)210 648 A
(.define)294 1026 A
(_level0)294 1362 A
2034(!)S
(call)168 2118 A
2328(a)S
(function)336 2412 A
2790(at)S
(level)210 2916 A
3168(0)S
1260 V
(08139)210 648 A
1350 V
(08140)210 648 A
1026(!)S
(The)126 1110 A
(routines)336 1278 A
(only)168 1656 A
(guarantee)378 1866 A
2286(to)S
(preserve)336 2412 A
(the)126 2790 A
(registers)378 2958 A
(the)126 3378 A
3546(C)S
(compiler)336 3630 A
1440 V
(08141)210 648 A
1026(!)S
(expects)294 1110 A
1446(to)S
1572(be)S
(preserved)378 1698 A
((ebx,)210 2118 A
(esi,)168 2370 A
(edi,)168 2580 A
(ebp,)168 2790 A
(esp,)168 3000 A
(segment)294 3210 A
(registers,)420 3546 A
(and)126 4008 A
1530 V
(08142)210 648 A
1026(!)S
(direction)378 1110 A
(bit)126 1530 A
1698(in)S
(the)126 1824 A
(flags).)294 1992 A
1620 V
(08143)210 648 A
1710 V
(08144)210 648 A
1026(!)S
(imported)336 1110 A
(variables)378 1488 A
1800 V
(08145)210 648 A
1890 V
(08146)210 648 A
(.sect)210 1026 A
(.bss)168 1278 A
1980 V
(08147)210 648 A
(.extern)294 1026 A
(_mon_return,)504 1362 A
(_mon_sp)294 1908 A
2070 V
(08148)210 648 A
(.extern)294 1026 A
(_irq_use)336 1362 A
2160 V
(08149)210 648 A
(.extern)294 1026 A
(_blank_color)504 1362 A
2250 V
(08150)210 648 A
(.extern)294 1026 A
(_ext_memsize)504 1362 A
2340 V
(08151)210 648 A
(.extern)294 1026 A
(_gdt)168 1362 A
2430 V
(08152)210 648 A
(.extern)294 1026 A
(_low_memsize)504 1362 A
2520 V
(08153)210 648 A
(.extern)294 1026 A
(_sizes)252 1362 A
2610 V
(08154)210 648 A
(.extern)294 1026 A
(_vid_seg)336 1362 A
2700 V
(08155)210 648 A
(.extern)294 1026 A
(_vid_size)378 1362 A
2790 V
(08156)210 648 A
(.extern)294 1026 A
(_vid_mask)378 1362 A
2880 V
(08157)210 648 A
(.extern)294 1026 A
(_level0_func)504 1362 A
2970 V
(08158)210 648 A
3060 V
(08159)210 648 A
(.sect)210 1026 A
(.text)210 1278 A
3150 V
(08160)210 648 A
(!*===========================================================================*)3276 1026 A
3240 V
(08161)210 648 A
1026(!*)S
(monitor)294 2370 A
4260(*)S
3330 V
(08162)210 648 A
(!*===========================================================================*)3276 1026 A
3420 V
(08163)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(monitor();)420 1614 A
3510 V
(08164)210 648 A
1026(!)S
(Return)252 1110 A
1404(to)S
(the)126 1530 A
(monitor.)336 1698 A
3600 V
(08165)210 648 A
3690 V
(08166)210 648 A
(_monitor:)378 1026 A
3780 V
(08167)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
((_reboot_code))588 1908 A
2706(!)S
(address)294 2790 A
3126(of)S
(new)126 3252 A
(parameters)420 3420 A
3870 V
(08168)210 648 A
(mov)126 1362 A
(esp,)168 1698 A
((_mon_sp))378 1908 A
2706(!)S
(restore)294 2790 A
(monitor)294 3126 A
(stack)210 3462 A
(pointer)294 3714 A
3960 V
(08169)210 648 A
(o16)126 1194 A
(mov)126 1362 A
(dx,)126 1698 A
(SS_SELECTOR)462 1866 A
2706(!)S
(monitor)294 2790 A
(data)168 3126 A
(segment)294 3336 A
4050 V
(08170)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
1866(dx)S
4140 V
(08171)210 648 A
(mov)126 1362 A
(es,)126 1698 A
1866(dx)S
4230 V
(08172)210 648 A
(mov)126 1362 A
(fs,)126 1698 A
1866(dx)S
4320 V
(08173)210 648 A
(mov)126 1362 A
(gs,)126 1698 A
1866(dx)S
4410 V
(08174)210 648 A
(mov)126 1362 A
(ss,)126 1698 A
1866(dx)S
4500 V
(08175)210 648 A
(pop)126 1362 A
(edi)126 1698 A
4590 V
(08176)210 648 A
(pop)126 1362 A
(esi)126 1698 A
4680 V
(08177)210 648 A
(pop)126 1362 A
(ebp)126 1698 A
4770 V
(08178)210 648 A
(o16)126 1194 A
(retf)168 1362 A
2706(!)S
(return)252 2790 A
3084(to)S
(the)126 3210 A
(monitor)294 3378 A
4860 V
(08179)210 648 A
4950 V
(08180)210 648 A
5040 V
(08181)210 648 A
(!*===========================================================================*)3276 1026 A
5130 V
(08182)210 648 A
1026(!*)S
(check_mem)378 2370 A
4260(*)S
5220 V
(08183)210 648 A
(!*===========================================================================*)3276 1026 A
5310 V
(08184)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(phys_bytes)420 1404 A
(check_mem(phys_bytes)840 1866 A
(base,)210 2748 A
(phys_bytes)420 3000 A
(size);)252 3462 A
5400 V
(08185)210 648 A
1026(!)S
(Check)210 1110 A
1362(a)S
(block)210 1446 A
1698(of)S
(memory,)294 1824 A
(return)252 2160 A
(the)126 2454 A
(amount)252 2622 A
(valid.)252 2916 A
5490 V
(08186)210 648 A
1026(!)S
(Only)168 1110 A
(every)210 1320 A
(16th)168 1572 A
(byte)168 1782 A
1992(is)S
(checked.)336 2118 A
5580 V
(08187)210 648 A
1026(!)S
1110(An)S
(initial)294 1236 A
(size)168 1572 A
1782(of)S
1908(0)S
(means)210 1992 A
(everything.)462 2244 A
5670 V
(08188)210 648 A
1026(!)S
(This)168 1110 A
(really)252 1320 A
(should)252 1614 A
1908(do)S
(some)168 2034 A
(alias)210 2244 A
(checks.)294 2496 A
5760 V
(08189)210 648 A
5850 V
(08190)210 648 A
(CM_DENSITY)420 1026 A
1698(=)S
2034(16)S
5940 V
(08191)210 648 A
(CM_LOG_DENSITY)588 1026 A
1698(=)S
2034(4)S
6030 V
(08192)210 648 A
(TEST1PATTERN)504 1026 A
1698(=)S
(0x55)168 2034 A
2706(!)S
(memory)252 2790 A
(test)168 3084 A
(pattern)294 3294 A
3630(1)S
6120 V
(08193)210 648 A
(TEST2PATTERN)504 1026 A
1698(=)S
(0xAA)168 2034 A
2706(!)S
(memory)252 2790 A
(test)168 3084 A
(pattern)294 3294 A
3630(2)S
6210 V
(08194)210 648 A
8418 V
EP
%%Page: 101 101
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
12 B
(101)180 4248 A
900 V
7 LST
(08195)210 648 A
(CHKM_ARGS)378 1026 A
1698(=)S
2034(4)S
2118(+)S
2202(4)S
2286(+)S
2370(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
990 V
(08196)210 648 A
1026(!)S
2034(ds)S
(ebx)126 2160 A
(eip)126 2328 A
(base)168 2706 A
(size)168 2916 A
1080 V
(08197)210 648 A
1170 V
(08198)210 648 A
(_check_mem:)462 1026 A
1260 V
(08199)210 648 A
(push)168 1362 A
(ebx)126 1698 A
1350 V
(08200)210 648 A
(push)168 1362 A
1698(ds)S
1440 V
(08201)210 648 A
(o16)126 1194 A
(mov)126 1362 A
(ax,)126 1698 A
(FLAT_DS_SELECTOR)672 1866 A
1530 V
(08202)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
1866(ax)S
1620 V
(08203)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(CHKM_ARGS(esp))588 1908 A
1710 V
(08204)210 648 A
(mov)126 1362 A
(ebx,)168 1698 A
(eax)126 1908 A
1800 V
(08205)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(CHKM_ARGS+4(esp))672 1908 A
1890 V
(08206)210 648 A
(shr)126 1362 A
(ecx,)168 1698 A
(CM_LOG_DENSITY)588 1908 A
1980 V
(08207)210 648 A
(cm_loop:)336 1026 A
2070 V
(08208)210 648 A
(movb)168 1362 A
(dl,)126 1698 A
(TEST1PATTERN)504 1866 A
2160 V
(08209)210 648 A
(xchgb)210 1362 A
(dl,)126 1698 A
((eax))210 1866 A
2706(!)S
(write)210 2790 A
(test)168 3042 A
(pattern,)336 3252 A
(remember)336 3630 A
(original)336 4008 A
2250 V
(08210)210 648 A
(xchgb)210 1362 A
(dl,)126 1698 A
((eax))210 1866 A
2706(!)S
(restore)294 2790 A
(original,)378 3126 A
(read)168 3546 A
(test)168 3756 A
(pattern)294 3966 A
2340 V
(08211)210 648 A
(cmpb)168 1362 A
(dl,)126 1698 A
(TEST1PATTERN)504 1866 A
2706(!)S
(must)168 2790 A
(agree)210 3000 A
3252(if)S
(good)168 3378 A
(real)168 3588 A
(memory)252 3798 A
2430 V
(08212)210 648 A
(jnz)126 1362 A
(cm_exit)294 1698 A
2706(!)S
2790(if)S
(different,)420 2916 A
(memory)252 3378 A
3672(is)S
(unusable)336 3798 A
2520 V
(08213)210 648 A
(movb)168 1362 A
(dl,)126 1698 A
(TEST2PATTERN)504 1866 A
2610 V
(08214)210 648 A
(xchgb)210 1362 A
(dl,)126 1698 A
((eax))210 1866 A
2700 V
(08215)210 648 A
(xchgb)210 1362 A
(dl,)126 1698 A
((eax))210 1866 A
2790 V
(08216)210 648 A
(add)126 1362 A
(eax,)168 1698 A
(CM_DENSITY)420 1908 A
2880 V
(08217)210 648 A
(cmpb)168 1362 A
(dl,)126 1698 A
(TEST2PATTERN)504 1866 A
2970 V
(08218)210 648 A
(loopz)210 1362 A
(cm_loop)294 1698 A
3060 V
(08219)210 648 A
(cm_exit:)336 1026 A
3150 V
(08220)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(ebx)126 1908 A
3240 V
(08221)210 648 A
(pop)126 1362 A
1698(ds)S
3330 V
(08222)210 648 A
(pop)126 1362 A
(ebx)126 1698 A
3420 V
(08223)210 648 A
(ret)126 1362 A
3510 V
(08224)210 648 A
3600 V
(08225)210 648 A
3690 V
(08226)210 648 A
(!*===========================================================================*)3276 1026 A
3780 V
(08227)210 648 A
1026(!*)S
(cp_mess)294 2370 A
4260(*)S
3870 V
(08228)210 648 A
(!*===========================================================================*)3276 1026 A
3960 V
(08229)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(cp_mess(int)462 1614 A
(src,)168 2118 A
(phys_clicks)462 2328 A
(src_clicks,)462 2832 A
(vir_bytes)378 3336 A
(src_offset,)462 3756 A
4050 V
(08230)210 648 A
1026(!)S
(phys_clicks)462 1950 A
(dst_clicks,)462 2454 A
(vir_bytes)378 2958 A
(dst_offset);)504 3378 A
4140 V
(08231)210 648 A
1026(!)S
(This)168 1110 A
(routine)294 1320 A
(makes)210 1656 A
1908(a)S
(fast)168 1992 A
(copy)168 2202 A
2412(of)S
2538(a)S
(message)294 2622 A
(from)168 2958 A
(anywhere)336 3168 A
3546(in)S
(the)126 3672 A
(address)294 3840 A
4230 V
(08232)210 648 A
1026(!)S
(space)210 1110 A
1362(to)S
(anywhere)336 1488 A
(else.)210 1866 A
2160(It)S
(also)168 2286 A
(copies)252 2496 A
(the)126 2790 A
(source)252 2958 A
(address)294 3252 A
(provided)336 3588 A
3966(as)S
4092(a)S
4320 V
(08233)210 648 A
1026(!)S
(parameter)378 1110 A
1530(to)S
(the)126 1656 A
(call)168 1824 A
(into)168 2034 A
(the)126 2244 A
(first)210 2412 A
(word)168 2664 A
2874(of)S
(the)126 3000 A
(destination)462 3168 A
(message.)336 3672 A
4410 V
(08234)210 648 A
1026(!)S
4500 V
(08235)210 648 A
1026(!)S
(Note)168 1110 A
(that)168 1320 A
(the)126 1530 A
(message)294 1698 A
(size,)210 2034 A
("Msize")294 2286 A
2622(is)S
2748(in)S
(DWORDS)252 2874 A
((not)168 3168 A
(bytes))252 3378 A
(and)126 3672 A
(must)168 3840 A
4050(be)S
(set)126 4176 A
4590 V
(08236)210 648 A
1026(!)S
(correctly.)420 1110 A
(Changing)336 1614 A
(the)126 1992 A
(definition)420 2160 A
2622(of)S
(message)294 2748 A
3084(in)S
(the)126 3210 A
(type)168 3378 A
(file)168 3588 A
(and)126 3798 A
(not)126 3966 A
4680 V
(08237)210 648 A
1026(!)S
(changing)336 1110 A
1488(it)S
(here)168 1614 A
(will)168 1824 A
(lead)168 2034 A
2244(to)S
(total)210 2370 A
(disaster.)378 2622 A
4770 V
(08238)210 648 A
4860 V
(08239)210 648 A
(CM_ARGS)294 1026 A
1362(=)S
1698(4)S
1782(+)S
1866(4)S
1950(+)S
2034(4)S
2118(+)S
2202(4)S
2286(+)S
2370(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
3210(+)S
3294(4)S
3378(+)S
3462(4)S
4950 V
(08240)210 648 A
1026(!)S
1698(es)S
1866(ds)S
(edi)126 1992 A
(esi)126 2160 A
(eip)126 2328 A
(proc)168 2706 A
(scl)126 2916 A
(sof)126 3084 A
(dcl)126 3252 A
(dof)126 3420 A
5040 V
(08241)210 648 A
5130 V
(08242)210 648 A
(.align)252 1362 A
1698(16)S
5220 V
(08243)210 648 A
(_cp_mess:)378 1026 A
5310 V
(08244)210 648 A
(cld)126 1362 A
5400 V
(08245)210 648 A
(push)168 1362 A
(esi)126 1698 A
5490 V
(08246)210 648 A
(push)168 1362 A
(edi)126 1698 A
5580 V
(08247)210 648 A
(push)168 1362 A
1698(ds)S
5670 V
(08248)210 648 A
(push)168 1362 A
1698(es)S
5760 V
(08249)210 648 A
5850 V
(08250)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(FLAT_DS_SELECTOR)672 1908 A
5940 V
(08251)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
1866(ax)S
6030 V
(08252)210 648 A
(mov)126 1362 A
(es,)126 1698 A
1866(ax)S
6120 V
(08253)210 648 A
6210 V
(08254)210 648 A
(mov)126 1362 A
(esi,)168 1698 A
(CM_ARGS+4(esp))588 1908 A
3042(!)S
(src)126 3126 A
(clicks)252 3294 A
8418 V
EP
%%Page: 102 102
BP
/slant 0 def
/height 0 def
630 V
12 B
(102)180 648 A
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08255)210 648 A
(shl)126 1362 A
(esi,)168 1698 A
(CLICK_SHIFT)462 1908 A
990 V
(08256)210 648 A
(add)126 1362 A
(esi,)168 1698 A
(CM_ARGS+4+4(esp))672 1908 A
3042(!)S
(src)126 3126 A
(offset)252 3294 A
1080 V
(08257)210 648 A
(mov)126 1362 A
(edi,)168 1698 A
(CM_ARGS+4+4+4(esp))756 1908 A
3042(!)S
(dst)126 3126 A
(clicks)252 3294 A
1170 V
(08258)210 648 A
(shl)126 1362 A
(edi,)168 1698 A
(CLICK_SHIFT)462 1908 A
1260 V
(08259)210 648 A
(add)126 1362 A
(edi,)168 1698 A
(CM_ARGS+4+4+4+4(esp))840 1908 A
3042(!)S
(dst)126 3126 A
(offset)252 3294 A
1350 V
(08260)210 648 A
1440 V
(08261)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(CM_ARGS(esp))504 1908 A
2706(!)S
(process)294 2790 A
(number)252 3126 A
3420(of)S
(sender)252 3546 A
1530 V
(08262)210 648 A
(stos)168 1362 A
2706(!)S
(copy)168 2790 A
(number)252 3000 A
3294(of)S
(sender)252 3420 A
3714(to)S
(dest)168 3840 A
(message)294 4050 A
1620 V
(08263)210 648 A
(add)126 1362 A
(esi,)168 1698 A
1908(4)S
2706(!)S
2790(do)S
(not)126 2916 A
(copy)168 3084 A
(first)210 3294 A
(word)168 3546 A
1710 V
(08264)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(Msize)210 1908 A
2160(-)S
2244(1)S
2706(!)S
(remember,)378 2790 A
(first)210 3210 A
(word)168 3462 A
(does)168 3672 A
(not)126 3882 A
(count)210 4050 A
1800 V
(08265)210 648 A
(rep)126 1362 A
1890 V
(08266)210 648 A
(movs)168 1362 A
2706(!)S
(copy)168 2790 A
(the)126 3000 A
(message)294 3168 A
1980 V
(08267)210 648 A
2070 V
(08268)210 648 A
(pop)126 1362 A
1698(es)S
2160 V
(08269)210 648 A
(pop)126 1362 A
1698(ds)S
2250 V
(08270)210 648 A
(pop)126 1362 A
(edi)126 1698 A
2340 V
(08271)210 648 A
(pop)126 1362 A
(esi)126 1698 A
2430 V
(08272)210 648 A
(ret)126 1362 A
2706(!)S
(that)168 2790 A
3000(is)S
(all)126 3126 A
(folks!)252 3294 A
2520 V
(08273)210 648 A
2610 V
(08274)210 648 A
2700 V
(08275)210 648 A
(!*===========================================================================*)3276 1026 A
2790 V
(08276)210 648 A
1026(!*)S
(exit)168 2370 A
4260(*)S
2880 V
(08277)210 648 A
(!*===========================================================================*)3276 1026 A
2970 V
(08278)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(exit();)294 1614 A
3060 V
(08279)210 648 A
1026(!)S
(Some)168 1110 A
(library)294 1320 A
(routines)336 1656 A
(use)126 2034 A
(exit,)210 2202 A
2454(so)S
(provide)294 2580 A
2916(a)S
(dummy)210 3000 A
(version.)336 3252 A
3150 V
(08280)210 648 A
1026(!)S
(Actual)252 1110 A
(calls)210 1404 A
1656(to)S
(exit)168 1782 A
(cannot)252 1992 A
(occur)210 2286 A
2538(in)S
(the)126 2664 A
(kernel.)294 2832 A
3240 V
(08281)210 648 A
1026(!)S
(GNU)126 1110 A
1278(CC)S
(likes)210 1404 A
1656(to)S
(call)168 1782 A
(___main)294 1992 A
(from)168 2328 A
(main())252 2538 A
(for)126 2832 A
(nonobvious)420 3000 A
(reasons.)336 3462 A
3330 V
(08282)210 648 A
3420 V
(08283)210 648 A
(_exit:)252 1026 A
3510 V
(08284)210 648 A
(__exit:)294 1026 A
3600 V
(08285)210 648 A
(___exit:)336 1026 A
3690 V
(08286)210 648 A
(sti)126 1362 A
3780 V
(08287)210 648 A
(jmp)126 1362 A
(___exit)294 1698 A
3870 V
(08288)210 648 A
3960 V
(08289)210 648 A
(___main:)336 1026 A
4050 V
(08290)210 648 A
(ret)126 1362 A
4140 V
(08291)210 648 A
4230 V
(08292)210 648 A
4320 V
(08293)210 648 A
(!*===========================================================================*)3276 1026 A
4410 V
(08294)210 648 A
1026(!*)S
(in_byte)294 2370 A
4260(*)S
4500 V
(08295)210 648 A
(!*===========================================================================*)3276 1026 A
4590 V
(08296)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(unsigned)336 1404 A
(in_byte(port_t)588 1782 A
(port);)252 2412 A
4680 V
(08297)210 648 A
1026(!)S
(Read)168 1110 A
1320(an)S
((unsigned))420 1446 A
(byte)168 1908 A
(from)168 2118 A
(the)126 2328 A
(i/o)126 2496 A
(port)168 2664 A
(port)168 2916 A
(and)126 3168 A
(return)252 3336 A
(it.)126 3630 A
4770 V
(08298)210 648 A
4860 V
(08299)210 648 A
(.align)252 1362 A
1698(16)S
4950 V
(08300)210 648 A
(_in_byte:)378 1026 A
5040 V
(08301)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(4(esp))252 1908 A
2706(!)S
(port)168 2790 A
5130 V
(08302)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(eax)126 1908 A
5220 V
(08303)210 648 A
(inb)126 1362 A
1698(dx)S
2706(!)S
(read)168 2790 A
3000(1)S
(byte)168 3084 A
5310 V
(08304)210 648 A
(ret)126 1362 A
5400 V
(08305)210 648 A
5490 V
(08306)210 648 A
5580 V
(08307)210 648 A
(!*===========================================================================*)3276 1026 A
5670 V
(08308)210 648 A
1026(!*)S
(in_word)294 2370 A
4260(*)S
5760 V
(08309)210 648 A
(!*===========================================================================*)3276 1026 A
5850 V
(08310)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(unsigned)336 1404 A
(in_word(port_t)588 1782 A
(port);)252 2412 A
5940 V
(08311)210 648 A
1026(!)S
(Read)168 1110 A
1320(an)S
((unsigned))420 1446 A
(word)168 1908 A
(from)168 2118 A
(the)126 2328 A
(i/o)126 2496 A
(port)168 2664 A
(port)168 2916 A
(and)126 3168 A
(return)252 3336 A
(it.)126 3630 A
6030 V
(08312)210 648 A
6120 V
(08313)210 648 A
(.align)252 1362 A
1698(16)S
6210 V
(08314)210 648 A
(_in_word:)378 1026 A
8418 V
EP
%%Page: 103 103
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
12 B
(103)180 4248 A
900 V
7 LST
(08315)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(4(esp))252 1908 A
2706(!)S
(port)168 2790 A
990 V
(08316)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(eax)126 1908 A
1080 V
(08317)210 648 A
(o16)126 1194 A
1362(in)S
1698(dx)S
2706(!)S
(read)168 2790 A
3000(1)S
(word)168 3084 A
1170 V
(08318)210 648 A
(ret)126 1362 A
1260 V
(08319)210 648 A
1350 V
(08320)210 648 A
1440 V
(08321)210 648 A
(!*===========================================================================*)3276 1026 A
1530 V
(08322)210 648 A
1026(!*)S
(out_byte)336 2370 A
4260(*)S
1620 V
(08323)210 648 A
(!*===========================================================================*)3276 1026 A
1710 V
(08324)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(out_byte(port_t)630 1614 A
(port,)210 2286 A
(u8_t)168 2538 A
(value);)294 2748 A
1800 V
(08325)210 648 A
1026(!)S
(Write)210 1110 A
(value)210 1404 A
((cast)210 1698 A
1950(to)S
2076(a)S
(byte))210 2160 A
2454(to)S
(the)126 2580 A
(I/O)126 2748 A
(port)168 2916 A
(port.)210 3168 A
1890 V
(08326)210 648 A
1980 V
(08327)210 648 A
(.align)252 1362 A
1698(16)S
2070 V
(08328)210 648 A
(_out_byte:)420 1026 A
2160 V
(08329)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(4(esp))252 1908 A
2706(!)S
(port)168 2790 A
2250 V
(08330)210 648 A
(movb)168 1362 A
(al,)126 1698 A
(4+4(esp))336 1866 A
2706(!)S
(value)210 2790 A
2340 V
(08331)210 648 A
(outb)168 1362 A
1698(dx)S
2706(!)S
(output)252 2790 A
3084(1)S
(byte)168 3168 A
2430 V
(08332)210 648 A
(ret)126 1362 A
2520 V
(08333)210 648 A
2610 V
(08334)210 648 A
2700 V
(08335)210 648 A
(!*===========================================================================*)3276 1026 A
2790 V
(08336)210 648 A
1026(!*)S
(out_word)336 2370 A
4260(*)S
2880 V
(08337)210 648 A
(!*===========================================================================*)3276 1026 A
2970 V
(08338)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(out_word(Port_t)630 1614 A
(port,)210 2286 A
(U16_t)210 2538 A
(value);)294 2790 A
3060 V
(08339)210 648 A
1026(!)S
(Write)210 1110 A
(value)210 1404 A
((cast)210 1698 A
1950(to)S
2076(a)S
(word))210 2160 A
2454(to)S
(the)126 2580 A
(I/O)126 2748 A
(port)168 2916 A
(port.)210 3168 A
3150 V
(08340)210 648 A
3240 V
(08341)210 648 A
(.align)252 1362 A
1698(16)S
3330 V
(08342)210 648 A
(_out_word:)420 1026 A
3420 V
(08343)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(4(esp))252 1908 A
2706(!)S
(port)168 2790 A
3510 V
(08344)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(4+4(esp))336 1908 A
2706(!)S
(value)210 2790 A
3600 V
(08345)210 648 A
(o16)126 1194 A
(out)126 1362 A
1698(dx)S
2706(!)S
(output)252 2790 A
3084(1)S
(word)168 3168 A
3690 V
(08346)210 648 A
(ret)126 1362 A
3780 V
(08347)210 648 A
3870 V
(08348)210 648 A
3960 V
(08349)210 648 A
(!*===========================================================================*)3276 1026 A
4050 V
(08350)210 648 A
1026(!*)S
(port_read)378 2370 A
4260(*)S
4140 V
(08351)210 648 A
(!*===========================================================================*)3276 1026 A
4230 V
(08352)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(port_read(port_t)672 1614 A
(port,)210 2328 A
(phys_bytes)420 2580 A
(destination,)504 3042 A
(unsigned)336 3588 A
(bytcount);)420 3966 A
4320 V
(08353)210 648 A
1026(!)S
(Transfer)336 1110 A
(data)168 1488 A
(from)168 1698 A
((hard)210 1908 A
(disk)168 2160 A
(controller))462 2370 A
(port)168 2874 A
3084(to)S
(memory.)294 3210 A
4410 V
(08354)210 648 A
4500 V
(08355)210 648 A
(PR_ARGS)294 1026 A
1362(=)S
1698(4)S
1782(+)S
1866(4)S
1950(+)S
2034(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
4590 V
(08356)210 648 A
1026(!)S
1698(es)S
(edi)126 1824 A
(eip)126 1992 A
(port)168 2706 A
(dst)126 2916 A
(len)126 3084 A
4680 V
(08357)210 648 A
4770 V
(08358)210 648 A
(.align)252 1362 A
1698(16)S
4860 V
(08359)210 648 A
(_port_read:)462 1026 A
4950 V
(08360)210 648 A
(cld)126 1362 A
5040 V
(08361)210 648 A
(push)168 1362 A
(edi)126 1698 A
5130 V
(08362)210 648 A
(push)168 1362 A
1698(es)S
5220 V
(08363)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(FLAT_DS_SELECTOR)672 1908 A
5310 V
(08364)210 648 A
(mov)126 1362 A
(es,)126 1698 A
1866(cx)S
5400 V
(08365)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(PR_ARGS(esp))504 1908 A
2706(!)S
(port)168 2790 A
3000(to)S
(read)168 3126 A
(from)168 3336 A
5490 V
(08366)210 648 A
(mov)126 1362 A
(edi,)168 1698 A
(PR_ARGS+4(esp))588 1908 A
2706(!)S
(destination)462 2790 A
(addr)168 3294 A
5580 V
(08367)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(PR_ARGS+4+4(esp))672 1908 A
2706(!)S
(byte)168 2790 A
(count)210 3000 A
5670 V
(08368)210 648 A
(shr)126 1362 A
(ecx,)168 1698 A
1908(1)S
2706(!)S
(word)168 2790 A
(count)210 3000 A
5760 V
(08369)210 648 A
(rep)126 1362 A
2706(!)S
((hardware)378 2790 A
(cannot)252 3210 A
(handle)252 3504 A
(dwords))294 3798 A
5850 V
(08370)210 648 A
(o16)126 1194 A
(ins)126 1362 A
2706(!)S
(read)168 2790 A
(everything)420 3000 A
5940 V
(08371)210 648 A
(pop)126 1362 A
1698(es)S
6030 V
(08372)210 648 A
(pop)126 1362 A
(edi)126 1698 A
6120 V
(08373)210 648 A
(ret)126 1362 A
6210 V
(08374)210 648 A
8418 V
EP
%%Page: 104 104
BP
/slant 0 def
/height 0 def
630 V
12 B
(104)180 648 A
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08375)210 648 A
990 V
(08376)210 648 A
(!*===========================================================================*)3276 1026 A
1080 V
(08377)210 648 A
1026(!*)S
(port_read_byte)588 2370 A
4260(*)S
1170 V
(08378)210 648 A
(!*===========================================================================*)3276 1026 A
1260 V
(08379)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(port_read_byte(port_t)882 1614 A
(port,)210 2538 A
(phys_bytes)420 2790 A
(destination,)504 3252 A
1350 V
(08380)210 648 A
1026(!)S
(unsigned)336 3042 A
(bytcount);)420 3420 A
1440 V
(08381)210 648 A
1026(!)S
(Transfer)336 1110 A
(data)168 1488 A
(from)168 1698 A
(port)168 1908 A
2118(to)S
(memory.)294 2244 A
1530 V
(08382)210 648 A
1620 V
(08383)210 648 A
(PR_ARGS_B)378 1026 A
1446(=)S
1698(4)S
1782(+)S
1866(4)S
1950(+)S
2034(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
1710 V
(08384)210 648 A
1026(!)S
1698(es)S
(edi)126 1824 A
(eip)126 1992 A
(port)168 2706 A
(dst)126 2916 A
(len)126 3084 A
1800 V
(08385)210 648 A
1890 V
(08386)210 648 A
(_port_read_byte:)672 1026 A
1980 V
(08387)210 648 A
(cld)126 1362 A
2070 V
(08388)210 648 A
(push)168 1362 A
(edi)126 1698 A
2160 V
(08389)210 648 A
(push)168 1362 A
1698(es)S
2250 V
(08390)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(FLAT_DS_SELECTOR)672 1908 A
2340 V
(08391)210 648 A
(mov)126 1362 A
(es,)126 1698 A
1866(cx)S
2430 V
(08392)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(PR_ARGS_B(esp))588 1908 A
2520 V
(08393)210 648 A
(mov)126 1362 A
(edi,)168 1698 A
(PR_ARGS_B+4(esp))672 1908 A
2610 V
(08394)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(PR_ARGS_B+4+4(esp))756 1908 A
2700 V
(08395)210 648 A
(rep)126 1362 A
2790 V
(08396)210 648 A
(insb)168 1362 A
2880 V
(08397)210 648 A
(pop)126 1362 A
1698(es)S
2970 V
(08398)210 648 A
(pop)126 1362 A
(edi)126 1698 A
3060 V
(08399)210 648 A
(ret)126 1362 A
3150 V
(08400)210 648 A
3240 V
(08401)210 648 A
3330 V
(08402)210 648 A
(!*===========================================================================*)3276 1026 A
3420 V
(08403)210 648 A
1026(!*)S
(port_write)420 2370 A
4260(*)S
3510 V
(08404)210 648 A
(!*===========================================================================*)3276 1026 A
3600 V
(08405)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(port_write(port_t)714 1614 A
(port,)210 2370 A
(phys_bytes)420 2622 A
(source,)294 3084 A
(unsigned)336 3420 A
(bytcount);)420 3798 A
3690 V
(08406)210 648 A
1026(!)S
(Transfer)336 1110 A
(data)168 1488 A
(from)168 1698 A
(memory)252 1908 A
2202(to)S
((hard)210 2328 A
(disk)168 2580 A
(controller))462 2790 A
(port.)210 3294 A
3780 V
(08407)210 648 A
3870 V
(08408)210 648 A
(PW_ARGS)294 1026 A
1362(=)S
1698(4)S
1782(+)S
1866(4)S
1950(+)S
2034(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
3960 V
(08409)210 648 A
1026(!)S
1698(es)S
(edi)126 1824 A
(eip)126 1992 A
(port)168 2706 A
(src)126 2916 A
(len)126 3084 A
4050 V
(08410)210 648 A
4140 V
(08411)210 648 A
(.align)252 1362 A
1698(16)S
4230 V
(08412)210 648 A
(_port_write:)504 1026 A
4320 V
(08413)210 648 A
(cld)126 1362 A
4410 V
(08414)210 648 A
(push)168 1362 A
(esi)126 1698 A
4500 V
(08415)210 648 A
(push)168 1362 A
1698(ds)S
4590 V
(08416)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(FLAT_DS_SELECTOR)672 1908 A
4680 V
(08417)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
1866(cx)S
4770 V
(08418)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(PW_ARGS(esp))504 1908 A
2706(!)S
(port)168 2790 A
3000(to)S
(write)210 3126 A
3378(to)S
4860 V
(08419)210 648 A
(mov)126 1362 A
(esi,)168 1698 A
(PW_ARGS+4(esp))588 1908 A
2706(!)S
(source)252 2790 A
(addr)168 3084 A
4950 V
(08420)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(PW_ARGS+4+4(esp))672 1908 A
2706(!)S
(byte)168 2790 A
(count)210 3000 A
5040 V
(08421)210 648 A
(shr)126 1362 A
(ecx,)168 1698 A
1908(1)S
2706(!)S
(word)168 2790 A
(count)210 3000 A
5130 V
(08422)210 648 A
(rep)126 1362 A
2706(!)S
((hardware)378 2790 A
(cannot)252 3210 A
(handle)252 3504 A
(dwords))294 3798 A
5220 V
(08423)210 648 A
(o16)126 1194 A
(outs)168 1362 A
2706(!)S
(write)210 2790 A
(everything)420 3042 A
5310 V
(08424)210 648 A
(pop)126 1362 A
1698(ds)S
5400 V
(08425)210 648 A
(pop)126 1362 A
(esi)126 1698 A
5490 V
(08426)210 648 A
(ret)126 1362 A
5580 V
(08427)210 648 A
5670 V
(08428)210 648 A
5760 V
(08429)210 648 A
(!*===========================================================================*)3276 1026 A
5850 V
(08430)210 648 A
1026(!*)S
(port_write_byte)630 2370 A
4260(*)S
5940 V
(08431)210 648 A
(!*===========================================================================*)3276 1026 A
6030 V
(08432)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(port_write_byte(port_t)924 1614 A
(port,)210 2580 A
(phys_bytes)420 2832 A
(source,)294 3294 A
6120 V
(08433)210 648 A
1026(!)S
(unsigned)336 3042 A
(bytcount);)420 3420 A
6210 V
(08434)210 648 A
1026(!)S
(Transfer)336 1110 A
(data)168 1488 A
(from)168 1698 A
(memory)252 1908 A
2202(to)S
(port.)210 2328 A
8418 V
EP
%%Page: 105 105
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
12 B
(105)180 4248 A
900 V
7 LST
(08435)210 648 A
990 V
(08436)210 648 A
(PW_ARGS_B)378 1026 A
1446(=)S
1698(4)S
1782(+)S
1866(4)S
1950(+)S
2034(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
1080 V
(08437)210 648 A
1026(!)S
1698(es)S
(edi)126 1824 A
(eip)126 1992 A
(port)168 2706 A
(src)126 2916 A
(len)126 3084 A
1170 V
(08438)210 648 A
1260 V
(08439)210 648 A
(_port_write_byte:)714 1026 A
1350 V
(08440)210 648 A
(cld)126 1362 A
1440 V
(08441)210 648 A
(push)168 1362 A
(esi)126 1698 A
1530 V
(08442)210 648 A
(push)168 1362 A
1698(ds)S
1620 V
(08443)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(FLAT_DS_SELECTOR)672 1908 A
1710 V
(08444)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
1866(cx)S
1800 V
(08445)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(PW_ARGS_B(esp))588 1908 A
1890 V
(08446)210 648 A
(mov)126 1362 A
(esi,)168 1698 A
(PW_ARGS_B+4(esp))672 1908 A
1980 V
(08447)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(PW_ARGS_B+4+4(esp))756 1908 A
2070 V
(08448)210 648 A
(rep)126 1362 A
2160 V
(08449)210 648 A
(outsb)210 1362 A
2250 V
(08450)210 648 A
(pop)126 1362 A
1698(ds)S
2340 V
(08451)210 648 A
(pop)126 1362 A
(esi)126 1698 A
2430 V
(08452)210 648 A
(ret)126 1362 A
2520 V
(08453)210 648 A
2610 V
(08454)210 648 A
2700 V
(08455)210 648 A
(!*===========================================================================*)3276 1026 A
2790 V
(08456)210 648 A
1026(!*)S
(lock)168 2370 A
4260(*)S
2880 V
(08457)210 648 A
(!*===========================================================================*)3276 1026 A
2970 V
(08458)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(lock();)294 1614 A
3060 V
(08459)210 648 A
1026(!)S
(Disable)294 1110 A
(CPU)126 1446 A
(interrupts.)462 1614 A
3150 V
(08460)210 648 A
3240 V
(08461)210 648 A
(.align)252 1362 A
1698(16)S
3330 V
(08462)210 648 A
(_lock:)252 1026 A
3420 V
(08463)210 648 A
(cli)126 1362 A
2706(!)S
(disable)294 2790 A
(interrupts)420 3126 A
3510 V
(08464)210 648 A
(ret)126 1362 A
3600 V
(08465)210 648 A
3690 V
(08466)210 648 A
3780 V
(08467)210 648 A
(!*===========================================================================*)3276 1026 A
3870 V
(08468)210 648 A
1026(!*)S
(unlock)252 2370 A
4260(*)S
3960 V
(08469)210 648 A
(!*===========================================================================*)3276 1026 A
4050 V
(08470)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(unlock();)378 1614 A
4140 V
(08471)210 648 A
1026(!)S
(Enable)252 1110 A
(CPU)126 1404 A
(interrupts.)462 1572 A
4230 V
(08472)210 648 A
4320 V
(08473)210 648 A
(.align)252 1362 A
1698(16)S
4410 V
(08474)210 648 A
(_unlock:)336 1026 A
4500 V
(08475)210 648 A
(sti)126 1362 A
4590 V
(08476)210 648 A
(ret)126 1362 A
4680 V
(08477)210 648 A
4770 V
(08478)210 648 A
4860 V
(08479)210 648 A
(!*==========================================================================*)3234 1026 A
4950 V
(08480)210 648 A
1026(!*)S
(enable_irq)420 2370 A
4218(*)S
5040 V
(08481)210 648 A
(!*==========================================================================*/)3276 1026 A
5130 V
(08482)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(enable_irq(unsigned)798 1614 A
(irq))168 2454 A
5220 V
(08483)210 648 A
1026(!)S
(Enable)252 1110 A
1404(an)S
(interrupt)378 1530 A
(request)294 1950 A
(line)168 2286 A
2496(by)S
(clearing)336 2622 A
3000(an)S
(8259)168 3126 A
(bit.)168 3336 A
5310 V
(08484)210 648 A
1026(!)S
(Equivalent)420 1110 A
(code)168 1572 A
(for)126 1782 A
(irq)126 1950 A
2118(<)S
2202(8:)S
5400 V
(08485)210 648 A
1026(!)S
(out_byte(INT_CTLMASK,)882 1362 A
(in_byte(INT_CTLMASK))840 2286 A
3168(&)S
(304(1)126 3252 A
3420(<<)S
(irq));)252 3546 A
5490 V
(08486)210 648 A
5580 V
(08487)210 648 A
(.align)252 1362 A
1698(16)S
5670 V
(08488)210 648 A
(_enable_irq:)504 1026 A
5760 V
(08489)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(4(esp))252 1908 A
2706(!)S
(irq)126 2790 A
5850 V
(08490)210 648 A
(pushf)210 1362 A
5940 V
(08491)210 648 A
(cli)126 1362 A
6030 V
(08492)210 648 A
(movb)168 1362 A
(ah,)126 1698 A
1866(3041)S
6120 V
(08493)210 648 A
(rolb)168 1362 A
(ah,)126 1698 A
1866(cl)S
2706(!)S
2790(ah)S
2916(=)S
(304(1)126 3000 A
3168(<<)S
((irq)168 3294 A
3504(%)S
(8)))126 3588 A
6210 V
(08494)210 648 A
(cmpb)168 1362 A
(cl,)126 1698 A
1866(8)S
8418 V
EP
%%Page: 106 106
BP
/slant 0 def
/height 0 def
630 V
12 B
(106)180 648 A
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08495)210 648 A
(jae)126 1362 A
(enable_8)336 1698 A
2706(!)S
(enable)252 2790 A
(irq)126 3084 A
3252(>=)S
3378(8)S
3462(at)S
(the)126 3588 A
(slave)210 3756 A
(8259)168 4008 A
990 V
(08496)210 648 A
(enable_0:)378 1026 A
1080 V
(08497)210 648 A
(inb)126 1362 A
(INT_CTLMASK)462 1698 A
1170 V
(08498)210 648 A
(andb)168 1362 A
(al,)126 1698 A
1866(ah)S
1260 V
(08499)210 648 A
(outb)168 1362 A
(INT_CTLMASK)462 1698 A
2706(!)S
(clear)210 2790 A
(bit)126 3042 A
3210(at)S
(master)252 3336 A
(8259)168 3630 A
1350 V
(08500)210 648 A
(popf)168 1362 A
1440 V
(08501)210 648 A
(ret)126 1362 A
1530 V
(08502)210 648 A
(.align)252 1362 A
1698(4)S
1620 V
(08503)210 648 A
(enable_8:)378 1026 A
1710 V
(08504)210 648 A
(inb)126 1362 A
(INT2_CTLMASK)504 1698 A
1800 V
(08505)210 648 A
(andb)168 1362 A
(al,)126 1698 A
1866(ah)S
1890 V
(08506)210 648 A
(outb)168 1362 A
(INT2_CTLMASK)504 1698 A
2706(!)S
(clear)210 2790 A
(bit)126 3042 A
3210(at)S
(slave)210 3336 A
(8259)168 3588 A
1980 V
(08507)210 648 A
(popf)168 1362 A
2070 V
(08508)210 648 A
(ret)126 1362 A
2160 V
(08509)210 648 A
2250 V
(08510)210 648 A
2340 V
(08511)210 648 A
(!*==========================================================================*)3234 1026 A
2430 V
(08512)210 648 A
1026(!*)S
(disable_irq)462 2370 A
4218(*)S
2520 V
(08513)210 648 A
(!*==========================================================================*/)3276 1026 A
2610 V
(08514)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(int)126 1404 A
(disable_irq(unsigned)840 1572 A
(irq))168 2454 A
2700 V
(08515)210 648 A
1026(!)S
(Disable)294 1110 A
1446(an)S
(interrupt)378 1572 A
(request)294 1992 A
(line)168 2328 A
2538(by)S
(setting)294 2664 A
3000(an)S
(8259)168 3126 A
(bit.)168 3336 A
2790 V
(08516)210 648 A
1026(!)S
(Equivalent)420 1110 A
(code)168 1572 A
(for)126 1782 A
(irq)126 1950 A
2118(<)S
2202(8:)S
2880 V
(08517)210 648 A
1026(!)S
(out_byte(INT_CTLMASK,)882 1362 A
(in_byte(INT_CTLMASK))840 2286 A
3168(|)S
3252((1)S
3378(<<)S
(irq));)252 3504 A
2970 V
(08518)210 648 A
1026(!)S
(Returns)294 1110 A
(true)168 1446 A
(iff)126 1656 A
(the)126 1824 A
(interrupt)378 1992 A
(was)126 2412 A
(not)126 2580 A
(already)294 2748 A
(disabled.)378 3084 A
3060 V
(08519)210 648 A
3150 V
(08520)210 648 A
(.align)252 1362 A
1698(16)S
3240 V
(08521)210 648 A
(_disable_irq:)546 1026 A
3330 V
(08522)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(4(esp))252 1908 A
2706(!)S
(irq)126 2790 A
3420 V
(08523)210 648 A
(pushf)210 1362 A
3510 V
(08524)210 648 A
(cli)126 1362 A
3600 V
(08525)210 648 A
(movb)168 1362 A
(ah,)126 1698 A
1866(1)S
3690 V
(08526)210 648 A
(rolb)168 1362 A
(ah,)126 1698 A
1866(cl)S
2706(!)S
2790(ah)S
2916(=)S
3000((1)S
3126(<<)S
((irq)168 3252 A
3462(%)S
(8)))126 3546 A
3780 V
(08527)210 648 A
(cmpb)168 1362 A
(cl,)126 1698 A
1866(8)S
3870 V
(08528)210 648 A
(jae)126 1362 A
(disable_8)378 1698 A
2706(!)S
(disable)294 2790 A
(irq)126 3126 A
3294(>=)S
3420(8)S
3504(at)S
(the)126 3630 A
(slave)210 3798 A
(8259)168 4050 A
3960 V
(08529)210 648 A
(disable_0:)420 1026 A
4050 V
(08530)210 648 A
(inb)126 1362 A
(INT_CTLMASK)462 1698 A
4140 V
(08531)210 648 A
(testb)210 1362 A
(al,)126 1698 A
1866(ah)S
4230 V
(08532)210 648 A
(jnz)126 1362 A
(dis_already)462 1698 A
2706(!)S
(already)294 2790 A
(disabled?)378 3126 A
4320 V
(08533)210 648 A
(orb)126 1362 A
(al,)126 1698 A
1866(ah)S
4410 V
(08534)210 648 A
(outb)168 1362 A
(INT_CTLMASK)462 1698 A
2706(!)S
(set)126 2790 A
(bit)126 2958 A
3126(at)S
(master)252 3252 A
(8259)168 3546 A
4500 V
(08535)210 648 A
(popf)168 1362 A
4590 V
(08536)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
1908(1)S
2706(!)S
(disabled)336 2790 A
3168(by)S
(this)168 3294 A
(function)336 3504 A
4680 V
(08537)210 648 A
(ret)126 1362 A
4770 V
(08538)210 648 A
(disable_8:)420 1026 A
4860 V
(08539)210 648 A
(inb)126 1362 A
(INT2_CTLMASK)504 1698 A
4950 V
(08540)210 648 A
(testb)210 1362 A
(al,)126 1698 A
1866(ah)S
5040 V
(08541)210 648 A
(jnz)126 1362 A
(dis_already)462 1698 A
2706(!)S
(already)294 2790 A
(disabled?)378 3126 A
5130 V
(08542)210 648 A
(orb)126 1362 A
(al,)126 1698 A
1866(ah)S
5220 V
(08543)210 648 A
(outb)168 1362 A
(INT2_CTLMASK)504 1698 A
2706(!)S
(set)126 2790 A
(bit)126 2958 A
3126(at)S
(slave)210 3252 A
(8259)168 3504 A
5310 V
(08544)210 648 A
(popf)168 1362 A
5400 V
(08545)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
1908(1)S
2706(!)S
(disabled)336 2790 A
3168(by)S
(this)168 3294 A
(function)336 3504 A
5490 V
(08546)210 648 A
(ret)126 1362 A
5580 V
(08547)210 648 A
(dis_already:)504 1026 A
5670 V
(08548)210 648 A
(popf)168 1362 A
5760 V
(08549)210 648 A
(xor)126 1362 A
(eax,)168 1698 A
(eax)126 1908 A
2706(!)S
(already)294 2790 A
(disabled)336 3126 A
5850 V
(08550)210 648 A
(ret)126 1362 A
5940 V
(08551)210 648 A
6030 V
(08552)210 648 A
6120 V
(08553)210 648 A
(!*===========================================================================*)3276 1026 A
6210 V
(08554)210 648 A
1026(!*)S
(phys_copy)378 2370 A
4260(*)S
8418 V
EP
%%Page: 107 107
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
12 B
(107)180 4248 A
900 V
7 LST
(08555)210 648 A
(!*===========================================================================*)3276 1026 A
990 V
(08556)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(phys_copy(phys_bytes)840 1614 A
(source,)294 2496 A
(phys_bytes)420 2832 A
(destination,)504 3294 A
1080 V
(08557)210 648 A
1026(!)S
(phys_bytes)420 2034 A
(bytecount);)462 2496 A
1170 V
(08558)210 648 A
1026(!)S
(Copy)168 1110 A
1320(a)S
(block)210 1404 A
1656(of)S
(physical)336 1782 A
(memory.)294 2160 A
1260 V
(08559)210 648 A
1350 V
(08560)210 648 A
(PC_ARGS)294 1026 A
1362(=)S
1698(4)S
1782(+)S
1866(4)S
1950(+)S
2034(4)S
2118(+)S
2202(4)S
2370(!)S
2454(4)S
2538(+)S
2622(4)S
2706(+)S
2790(4)S
1440 V
(08561)210 648 A
1026(!)S
1698(es)S
(edi)126 1824 A
(esi)126 1992 A
(eip)126 2160 A
(src)126 2412 A
(dst)126 2580 A
(len)126 2748 A
1530 V
(08562)210 648 A
1620 V
(08563)210 648 A
(.align)252 1362 A
1698(16)S
1710 V
(08564)210 648 A
(_phys_copy:)462 1026 A
1800 V
(08565)210 648 A
(cld)126 1362 A
1890 V
(08566)210 648 A
(push)168 1362 A
(esi)126 1698 A
1980 V
(08567)210 648 A
(push)168 1362 A
(edi)126 1698 A
2070 V
(08568)210 648 A
(push)168 1362 A
1698(es)S
2160 V
(08569)210 648 A
2250 V
(08570)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(FLAT_DS_SELECTOR)672 1908 A
2340 V
(08571)210 648 A
(mov)126 1362 A
(es,)126 1698 A
1866(ax)S
2430 V
(08572)210 648 A
2520 V
(08573)210 648 A
(mov)126 1362 A
(esi,)168 1698 A
(PC_ARGS(esp))504 1908 A
2610 V
(08574)210 648 A
(mov)126 1362 A
(edi,)168 1698 A
(PC_ARGS+4(esp))588 1908 A
2700 V
(08575)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(PC_ARGS+4+4(esp))672 1908 A
2790 V
(08576)210 648 A
2880 V
(08577)210 648 A
(cmp)126 1362 A
(eax,)168 1698 A
1908(10)S
2706(!)S
(avoid)210 2790 A
(align)210 3042 A
(overhead)336 3294 A
(for)126 3672 A
(small)210 3840 A
(counts)252 4092 A
2970 V
(08578)210 648 A
1362(jb)S
(pc_small)336 1698 A
3060 V
(08579)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(esi)126 1908 A
2706(!)S
(align)210 2790 A
(source,)294 3042 A
(hope)168 3378 A
(target)252 3588 A
3882(is)S
(too)126 4008 A
3150 V
(08580)210 648 A
(neg)126 1362 A
(ecx)126 1698 A
3240 V
(08581)210 648 A
(and)126 1362 A
(ecx,)168 1698 A
1908(3)S
2706(!)S
(count)210 2790 A
(for)126 3042 A
(alignment)378 3210 A
3330 V
(08582)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(ecx)126 1908 A
3420 V
(08583)210 648 A
(rep)126 1362 A
3510 V
(08584)210 648 A
(eseg)168 1152 A
(movsb)210 1362 A
3600 V
(08585)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
3690 V
(08586)210 648 A
(shr)126 1362 A
(ecx,)168 1698 A
1908(2)S
2706(!)S
(count)210 2790 A
3042(of)S
(dwords)252 3168 A
3780 V
(08587)210 648 A
(rep)126 1362 A
3870 V
(08588)210 648 A
(eseg)168 1152 A
(movs)168 1362 A
3960 V
(08589)210 648 A
(and)126 1362 A
(eax,)168 1698 A
1908(3)S
4050 V
(08590)210 648 A
(pc_small:)378 1026 A
4140 V
(08591)210 648 A
(xchg)168 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
2706(!)S
(remainder)378 2790 A
4230 V
(08592)210 648 A
(rep)126 1362 A
4320 V
(08593)210 648 A
(eseg)168 1152 A
(movsb)210 1362 A
4410 V
(08594)210 648 A
4500 V
(08595)210 648 A
(pop)126 1362 A
1698(es)S
4590 V
(08596)210 648 A
(pop)126 1362 A
(edi)126 1698 A
4680 V
(08597)210 648 A
(pop)126 1362 A
(esi)126 1698 A
4770 V
(08598)210 648 A
(ret)126 1362 A
4860 V
(08599)210 648 A
4950 V
(08600)210 648 A
5040 V
(08601)210 648 A
(!*===========================================================================*)3276 1026 A
5130 V
(08602)210 648 A
1026(!*)S
(mem_rdw)294 2370 A
4260(*)S
5220 V
(08603)210 648 A
(!*===========================================================================*)3276 1026 A
5310 V
(08604)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(u16_t)210 1404 A
(mem_rdw(U16_t)546 1656 A
(segment,)336 2244 A
(u16_t)210 2622 A
(*offset);)378 2874 A
5400 V
(08605)210 648 A
1026(!)S
(Load)168 1110 A
(and)126 1320 A
(return)252 1488 A
(word)168 1782 A
1992(at)S
(far)126 2118 A
(pointer)294 2286 A
(segment:offset.)630 2622 A
5490 V
(08606)210 648 A
5580 V
(08607)210 648 A
(.align)252 1362 A
1698(16)S
5670 V
(08608)210 648 A
(_mem_rdw:)378 1026 A
5760 V
(08609)210 648 A
(mov)126 1362 A
(cx,)126 1698 A
1866(ds)S
5850 V
(08610)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
(4(esp))252 1866 A
2706(!)S
(segment)294 2790 A
5940 V
(08611)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(4+4(esp))336 1908 A
2706(!)S
(offset)252 2790 A
6030 V
(08612)210 648 A
(movzx)210 1362 A
(eax,)168 1698 A
((eax))210 1908 A
2706(!)S
(word)168 2790 A
3000(to)S
(return)252 3126 A
6120 V
(08613)210 648 A
(mov)126 1362 A
(ds,)126 1698 A
1866(cx)S
6210 V
(08614)210 648 A
(ret)126 1362 A
8418 V
EP
%%Page: 108 108
BP
/slant 0 def
/height 0 def
630 V
12 B
(108)180 648 A
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08615)210 648 A
990 V
(08616)210 648 A
1080 V
(08617)210 648 A
(!*===========================================================================*)3276 1026 A
1170 V
(08618)210 648 A
1026(!*)S
(reset)210 2370 A
4260(*)S
1260 V
(08619)210 648 A
(!*===========================================================================*)3276 1026 A
1350 V
(08620)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(reset();)336 1614 A
1440 V
(08621)210 648 A
1026(!)S
(Reset)210 1110 A
(the)126 1362 A
(system)252 1530 A
1824(by)S
(loading)294 1950 A
(IDT)126 2286 A
(with)168 2454 A
(offset)252 2664 A
2958(0)S
(and)126 3042 A
(interrupting.)546 3210 A
1530 V
(08622)210 648 A
1620 V
(08623)210 648 A
(_reset:)294 1026 A
1710 V
(08624)210 648 A
(lidt)168 1362 A
((idt_zero))420 1698 A
1800 V
(08625)210 648 A
(int)126 1362 A
1698(3)S
2370(!)S
(anything)336 2454 A
(goes,)210 2832 A
(the)126 3084 A
(386)126 3252 A
(will)168 3420 A
(not)126 3630 A
(like)168 3798 A
4008(it)S
1890 V
(08626)210 648 A
(.sect)210 1026 A
(.data)210 1278 A
1980 V
(08627)210 648 A
(idt_zero:)378 1026 A
(.data4)252 1698 A
2034(0,)S
2160(0)S
2070 V
(08628)210 648 A
(.sect)210 1026 A
(.text)210 1278 A
2160 V
(08629)210 648 A
2250 V
(08630)210 648 A
2340 V
(08631)210 648 A
(!*===========================================================================*)3276 1026 A
2430 V
(08632)210 648 A
1026(!*)S
(mem_vid_copy)504 2370 A
4260(*)S
2520 V
(08633)210 648 A
(!*===========================================================================*)3276 1026 A
2610 V
(08634)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(mem_vid_copy(u16)672 1614 A
(*src,)210 2328 A
(unsigned)336 2580 A
(dst,)168 2958 A
(unsigned)336 3168 A
(count);)294 3546 A
2700 V
(08635)210 648 A
1026(!)S
2790 V
(08636)210 648 A
1026(!)S
(Copy)168 1110 A
(count)210 1320 A
(characters)420 1572 A
(from)168 2034 A
(kernel)252 2244 A
(memory)252 2538 A
2832(to)S
(video)210 2958 A
(memory.)294 3210 A
(Src,)168 3588 A
(dst)126 3798 A
(and)126 3966 A
2880 V
(08637)210 648 A
1026(!)S
(count)210 1110 A
(are)126 1362 A
(character)378 1530 A
((word))252 1950 A
(based)210 2244 A
(video)210 2496 A
(offsets)294 2748 A
(and)126 3084 A
(counts.)294 3252 A
3630(If)S
(src)126 3756 A
3924(is)S
(null)168 4050 A
2970 V
(08638)210 648 A
1026(!)S
(then)168 1110 A
(screen)252 1320 A
(memory)252 1614 A
1908(is)S
(blanked)294 2034 A
2370(by)S
(filling)294 2496 A
2832(it)S
(with)168 2958 A
(blank_color.)504 3168 A
3060 V
(08639)210 648 A
3150 V
(08640)210 648 A
(MVC_ARGS)336 1026 A
1698(=)S
2034(4)S
2118(+)S
2202(4)S
2286(+)S
2370(4)S
2454(+)S
2538(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
3240 V
(08641)210 648 A
1026(!)S
2034(es)S
(edi)126 2160 A
(esi)126 2328 A
(eip)126 2496 A
(src)126 2748 A
(dst)126 2916 A
3084(ct)S
3330 V
(08642)210 648 A
3420 V
(08643)210 648 A
(_mem_vid_copy:)588 1026 A
3510 V
(08644)210 648 A
(push)168 1362 A
(esi)126 1698 A
3600 V
(08645)210 648 A
(push)168 1362 A
(edi)126 1698 A
3690 V
(08646)210 648 A
(push)168 1362 A
1698(es)S
3780 V
(08647)210 648 A
(mov)126 1362 A
(esi,)168 1698 A
(MVC_ARGS(esp))546 1908 A
2706(!)S
(source)252 2790 A
3870 V
(08648)210 648 A
(mov)126 1362 A
(edi,)168 1698 A
(MVC_ARGS+4(esp))630 1908 A
2706(!)S
(destination)462 2790 A
3960 V
(08649)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(MVC_ARGS+4+4(esp))714 1908 A
2706(!)S
(count)210 2790 A
4050 V
(08650)210 648 A
(mov)126 1362 A
(es,)126 1698 A
((_vid_seg))420 1866 A
2706(!)S
(destination)462 2790 A
3294(is)S
(video)210 3420 A
(segment)294 3672 A
4140 V
(08651)210 648 A
(cld)126 1362 A
2706(!)S
(make)168 2790 A
(sure)168 3000 A
(direction)378 3210 A
3630(is)S
3756(up)S
4230 V
(08652)210 648 A
(mvc_loop:)378 1026 A
4320 V
(08653)210 648 A
(and)126 1362 A
(edi,)168 1698 A
((_vid_mask))462 1908 A
2706(!)S
(wrap)168 2790 A
(address)294 3000 A
4410 V
(08654)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(edx)126 1908 A
2706(!)S
(one)126 2790 A
(chunk)210 2958 A
3210(to)S
(copy)168 3336 A
4500 V
(08655)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
((_vid_size))462 1908 A
4590 V
(08656)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(edi)126 1908 A
4680 V
(08657)210 648 A
(cmp)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
4770 V
(08658)210 648 A
(jbe)126 1362 A
1698(0f)S
4860 V
(08659)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
2706(!)S
(ecx)126 2790 A
2958(=)S
(min(ecx,)336 3042 A
(vid_size)336 3420 A
3798(-)S
(edi))168 3882 A
4950 V
(08660)210 648 A
1026(0:)S
(sub)126 1362 A
(edx,)168 1698 A
(ecx)126 1908 A
2706(!)S
(count)210 2790 A
3042(-=)S
(ecx)126 3168 A
5040 V
(08661)210 648 A
(shl)126 1362 A
(edi,)168 1698 A
1908(1)S
2706(!)S
(byte)168 2790 A
(address)294 3000 A
5130 V
(08662)210 648 A
(test)168 1362 A
(esi,)168 1698 A
(esi)126 1908 A
2706(!)S
(source)252 2790 A
3084(==)S
3210(0)S
(means)210 3294 A
(blank)210 3546 A
(the)126 3798 A
(screen)252 3966 A
5220 V
(08663)210 648 A
1362(jz)S
(mvc_blank)378 1698 A
5310 V
(08664)210 648 A
(mvc_copy:)378 1026 A
5400 V
(08665)210 648 A
(rep)126 1362 A
2706(!)S
(copy)168 2790 A
(words)210 3000 A
3252(to)S
(video)210 3378 A
(memory)252 3630 A
5490 V
(08666)210 648 A
(o16)126 1194 A
(movs)168 1362 A
5580 V
(08667)210 648 A
(jmp)126 1362 A
(mvc_test)336 1698 A
5670 V
(08668)210 648 A
(mvc_blank:)420 1026 A
5760 V
(08669)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
((_blank_color))588 1908 A
2706(!)S
2790(ax)S
2916(=)S
(blanking)336 3000 A
(character)378 3378 A
5850 V
(08670)210 648 A
(rep)126 1362 A
5940 V
(08671)210 648 A
(o16)126 1194 A
(stos)168 1362 A
2706(!)S
(copy)168 2790 A
(blanks)252 3000 A
3294(to)S
(video)210 3420 A
(memory)252 3672 A
6030 V
(08672)210 648 A
(!jmp)168 1362 A
(mvc_test)336 1698 A
6120 V
(08673)210 648 A
(mvc_test:)378 1026 A
6210 V
(08674)210 648 A
(shr)126 1362 A
(edi,)168 1698 A
1908(1)S
2706(!)S
(word)168 2790 A
(addresses)378 3000 A
8418 V
EP
%%Page: 109 109
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
12 B
(109)180 4248 A
900 V
7 LST
(08675)210 648 A
(test)168 1362 A
(edx,)168 1698 A
(edx)126 1908 A
990 V
(08676)210 648 A
(jnz)126 1362 A
(mvc_loop)336 1698 A
1080 V
(08677)210 648 A
(mvc_done:)378 1026 A
1170 V
(08678)210 648 A
(pop)126 1362 A
1698(es)S
1260 V
(08679)210 648 A
(pop)126 1362 A
(edi)126 1698 A
1350 V
(08680)210 648 A
(pop)126 1362 A
(esi)126 1698 A
1440 V
(08681)210 648 A
(ret)126 1362 A
1530 V
(08682)210 648 A
1620 V
(08683)210 648 A
1710 V
(08684)210 648 A
(!*===========================================================================*)3276 1026 A
1800 V
(08685)210 648 A
1026(!*)S
(vid_vid_copy)504 2370 A
4260(*)S
1890 V
(08686)210 648 A
(!*===========================================================================*)3276 1026 A
1980 V
(08687)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(vid_vid_copy(unsigned)882 1614 A
(src,)168 2538 A
(unsigned)336 2748 A
(dst,)168 3126 A
(unsigned)336 3336 A
(count);)294 3714 A
2070 V
(08688)210 648 A
1026(!)S
2160 V
(08689)210 648 A
1026(!)S
(Copy)168 1110 A
(count)210 1320 A
(characters)420 1572 A
(from)168 2034 A
(video)210 2244 A
(memory)252 2496 A
2790(to)S
(video)210 2916 A
(memory.)294 3168 A
(Handle)252 3546 A
(overlap.)336 3840 A
2250 V
(08690)210 648 A
1026(!)S
(Used)168 1110 A
(for)126 1320 A
(scrolling,)420 1488 A
(line)168 1950 A
2160(or)S
(character)378 2286 A
(insertion)378 2706 A
(and)126 3126 A
(deletion.)378 3294 A
(Src,)168 3756 A
(dst)126 3966 A
2340 V
(08691)210 648 A
1026(!)S
(and)126 1110 A
(count)210 1278 A
(are)126 1530 A
(character)378 1698 A
((word))252 2118 A
(based)210 2412 A
(video)210 2664 A
(offsets)294 2916 A
(and)126 3252 A
(counts.)294 3420 A
2430 V
(08692)210 648 A
2520 V
(08693)210 648 A
(VVC_ARGS)336 1026 A
1698(=)S
2034(4)S
2118(+)S
2202(4)S
2286(+)S
2370(4)S
2454(+)S
2538(4)S
2706(!)S
2790(4)S
2874(+)S
2958(4)S
3042(+)S
3126(4)S
2610 V
(08694)210 648 A
1026(!)S
2034(es)S
(edi)126 2160 A
(esi)126 2328 A
(eip)126 2496 A
(src)126 2748 A
(dst)126 2916 A
3084(ct)S
2700 V
(08695)210 648 A
2790 V
(08696)210 648 A
(_vid_vid_copy:)588 1026 A
2880 V
(08697)210 648 A
(push)168 1362 A
(esi)126 1698 A
2970 V
(08698)210 648 A
(push)168 1362 A
(edi)126 1698 A
3060 V
(08699)210 648 A
(push)168 1362 A
1698(es)S
3150 V
(08700)210 648 A
(mov)126 1362 A
(esi,)168 1698 A
(VVC_ARGS(esp))546 1908 A
2706(!)S
(source)252 2790 A
3240 V
(08701)210 648 A
(mov)126 1362 A
(edi,)168 1698 A
(VVC_ARGS+4(esp))630 1908 A
2706(!)S
(destination)462 2790 A
3330 V
(08702)210 648 A
(mov)126 1362 A
(edx,)168 1698 A
(VVC_ARGS+4+4(esp))714 1908 A
2706(!)S
(count)210 2790 A
3420 V
(08703)210 648 A
(mov)126 1362 A
(es,)126 1698 A
((_vid_seg))420 1866 A
2706(!)S
(use)126 2790 A
(video)210 2958 A
(segment)294 3210 A
3510 V
(08704)210 648 A
(cmp)126 1362 A
(esi,)168 1698 A
(edi)126 1908 A
2706(!)S
(copy)168 2790 A
3000(up)S
3126(or)S
(down?)210 3252 A
3600 V
(08705)210 648 A
1362(jb)S
(vvc_down)336 1698 A
3690 V
(08706)210 648 A
(vvc_up:)294 1026 A
3780 V
(08707)210 648 A
(cld)126 1362 A
2706(!)S
(direction)378 2790 A
3210(is)S
3336(up)S
3870 V
(08708)210 648 A
(vvc_uploop:)462 1026 A
3960 V
(08709)210 648 A
(and)126 1362 A
(esi,)168 1698 A
((_vid_mask))462 1908 A
2706(!)S
(wrap)168 2790 A
(addresses)378 3000 A
4050 V
(08710)210 648 A
(and)126 1362 A
(edi,)168 1698 A
((_vid_mask))462 1908 A
4140 V
(08711)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(edx)126 1908 A
2706(!)S
(one)126 2790 A
(chunk)210 2958 A
3210(to)S
(copy)168 3336 A
4230 V
(08712)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
((_vid_size))462 1908 A
4320 V
(08713)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(esi)126 1908 A
4410 V
(08714)210 648 A
(cmp)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
4500 V
(08715)210 648 A
(jbe)126 1362 A
1698(0f)S
4590 V
(08716)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
2706(!)S
(ecx)126 2790 A
2958(=)S
(min(ecx,)336 3042 A
(vid_size)336 3420 A
3798(-)S
(esi))168 3882 A
4680 V
(08717)210 648 A
1026(0:)S
(mov)126 1362 A
(eax,)168 1698 A
((_vid_size))462 1908 A
4770 V
(08718)210 648 A
(sub)126 1362 A
(eax,)168 1698 A
(edi)126 1908 A
4860 V
(08719)210 648 A
(cmp)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
4950 V
(08720)210 648 A
(jbe)126 1362 A
1698(0f)S
5040 V
(08721)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
2706(!)S
(ecx)126 2790 A
2958(=)S
(min(ecx,)336 3042 A
(vid_size)336 3420 A
3798(-)S
(edi))168 3882 A
5130 V
(08722)210 648 A
1026(0:)S
(sub)126 1362 A
(edx,)168 1698 A
(ecx)126 1908 A
2706(!)S
(count)210 2790 A
3042(-=)S
(ecx)126 3168 A
5220 V
(08723)210 648 A
(shl)126 1362 A
(esi,)168 1698 A
1908(1)S
5310 V
(08724)210 648 A
(shl)126 1362 A
(edi,)168 1698 A
1908(1)S
2706(!)S
(byte)168 2790 A
(addresses)378 3000 A
5400 V
(08725)210 648 A
(rep)126 1362 A
5490 V
(08726)210 648 A
(eseg)168 1026 A
(o16)126 1236 A
(movs)168 1404 A
2706(!)S
(copy)168 2790 A
(video)210 3000 A
(words)210 3252 A
5580 V
(08727)210 648 A
(shr)126 1362 A
(esi,)168 1698 A
1908(1)S
5670 V
(08728)210 648 A
(shr)126 1362 A
(edi,)168 1698 A
1908(1)S
2706(!)S
(word)168 2790 A
(addresses)378 3000 A
5760 V
(08729)210 648 A
(test)168 1362 A
(edx,)168 1698 A
(edx)126 1908 A
5850 V
(08730)210 648 A
(jnz)126 1362 A
(vvc_uploop)420 1698 A
2706(!)S
(again?)252 2790 A
5940 V
(08731)210 648 A
(jmp)126 1362 A
(vvc_done)336 1698 A
6030 V
(08732)210 648 A
(vvc_down:)378 1026 A
6120 V
(08733)210 648 A
(std)126 1362 A
2706(!)S
(direction)378 2790 A
3210(is)S
(down)168 3336 A
6210 V
(08734)210 648 A
(lea)126 1362 A
(esi,)168 1698 A
(-1(esi)(edx*1))588 1908 A
2706(!)S
(start)210 2790 A
(copying)294 3042 A
3378(at)S
(the)126 3504 A
(top)126 3672 A
8418 V
EP
%%Page: 110 110
BP
/slant 0 def
/height 0 def
630 V
12 B
(110)180 648 A
11 R
1982(File:)S
(src/kernel/klib386.s)878 2215 A
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08735)210 648 A
(lea)126 1362 A
(edi,)168 1698 A
(-1(edi)(edx*1))588 1908 A
990 V
(08736)210 648 A
(vvc_downloop:)546 1026 A
1080 V
(08737)210 648 A
(and)126 1362 A
(esi,)168 1698 A
((_vid_mask))462 1908 A
2706(!)S
(wrap)168 2790 A
(addresses)378 3000 A
1170 V
(08738)210 648 A
(and)126 1362 A
(edi,)168 1698 A
((_vid_mask))462 1908 A
1260 V
(08739)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(edx)126 1908 A
2706(!)S
(one)126 2790 A
(chunk)210 2958 A
3210(to)S
(copy)168 3336 A
1350 V
(08740)210 648 A
(lea)126 1362 A
(eax,)168 1698 A
(1(esi))252 1908 A
1440 V
(08741)210 648 A
(cmp)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
1530 V
(08742)210 648 A
(jbe)126 1362 A
1698(0f)S
1620 V
(08743)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
2706(!)S
(ecx)126 2790 A
2958(=)S
(min(ecx,)336 3042 A
(esi)126 3420 A
3588(+)S
3672(1))S
1710 V
(08744)210 648 A
1026(0:)S
(lea)126 1362 A
(eax,)168 1698 A
(1(edi))252 1908 A
1800 V
(08745)210 648 A
(cmp)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
1890 V
(08746)210 648 A
(jbe)126 1362 A
1698(0f)S
1980 V
(08747)210 648 A
(mov)126 1362 A
(ecx,)168 1698 A
(eax)126 1908 A
2706(!)S
(ecx)126 2790 A
2958(=)S
(min(ecx,)336 3042 A
(edi)126 3420 A
3588(+)S
3672(1))S
2070 V
(08748)210 648 A
1026(0:)S
(sub)126 1362 A
(edx,)168 1698 A
(ecx)126 1908 A
2706(!)S
(count)210 2790 A
3042(-=)S
(ecx)126 3168 A
2160 V
(08749)210 648 A
(shl)126 1362 A
(esi,)168 1698 A
1908(1)S
2250 V
(08750)210 648 A
(shl)126 1362 A
(edi,)168 1698 A
1908(1)S
2706(!)S
(byte)168 2790 A
(addresses)378 3000 A
2340 V
(08751)210 648 A
(rep)126 1362 A
2430 V
(08752)210 648 A
(eseg)168 1026 A
(o16)126 1236 A
(movs)168 1404 A
2706(!)S
(copy)168 2790 A
(video)210 3000 A
(words)210 3252 A
2520 V
(08753)210 648 A
(shr)126 1362 A
(esi,)168 1698 A
1908(1)S
2610 V
(08754)210 648 A
(shr)126 1362 A
(edi,)168 1698 A
1908(1)S
2706(!)S
(word)168 2790 A
(addresses)378 3000 A
2700 V
(08755)210 648 A
(test)168 1362 A
(edx,)168 1698 A
(edx)126 1908 A
2790 V
(08756)210 648 A
(jnz)126 1362 A
(vvc_downloop)504 1698 A
2706(!)S
(again?)252 2790 A
2880 V
(08757)210 648 A
(cld)126 1362 A
2706(!)S
2790(C)S
(compiler)336 2874 A
(expect)252 3252 A
3546(up)S
2970 V
(08758)210 648 A
(!jmp)168 1362 A
(vvc_done)336 1698 A
3060 V
(08759)210 648 A
(vvc_done:)378 1026 A
3150 V
(08760)210 648 A
(pop)126 1362 A
1698(es)S
3240 V
(08761)210 648 A
(pop)126 1362 A
(edi)126 1698 A
3330 V
(08762)210 648 A
(pop)126 1362 A
(esi)126 1698 A
3420 V
(08763)210 648 A
(ret)126 1362 A
3510 V
(08764)210 648 A
3600 V
(08765)210 648 A
3690 V
(08766)210 648 A
(!*===========================================================================*)3276 1026 A
3780 V
(08767)210 648 A
1026(!*)S
(level0)252 2286 A
4260(*)S
3870 V
(08768)210 648 A
(!*===========================================================================*)3276 1026 A
3960 V
(08769)210 648 A
1026(!)S
(PUBLIC)252 1110 A
(void)168 1404 A
(level0(void)462 1614 A
((*func)(void)))588 2118 A
4050 V
(08770)210 648 A
1026(!)S
(Call)168 1110 A
1320(a)S
(function)336 1404 A
1782(at)S
(permission)420 1908 A
(level)210 2370 A
2622(0.)S
(This)168 2790 A
(allows)252 3000 A
(kernel)252 3294 A
(tasks)210 3588 A
3840(to)S
3966(do)S
4140 V
(08771)210 648 A
1026(!)S
(things)252 1110 A
(that)168 1404 A
(are)126 1614 A
(only)168 1782 A
(possible)336 1992 A
2370(at)S
(the)126 2496 A
(most)168 2664 A
(privileged)420 2874 A
(CPU)126 3336 A
(level.)252 3504 A
4230 V
(08772)210 648 A
1026(!)S
4320 V
(08773)210 648 A
(_level0:)336 1026 A
4410 V
(08774)210 648 A
(mov)126 1362 A
(eax,)168 1698 A
(4(esp))252 1908 A
4500 V
(08775)210 648 A
(mov)126 1362 A
((_level0_func),)630 1698 A
(eax)126 2370 A
4590 V
(08776)210 648 A
(int)126 1362 A
(LEVEL0_VECTOR)546 1698 A
4680 V
(08777)210 648 A
(ret)126 1362 A
5040 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5130 V
(src/kernel/misc.c)714 2034 A
5220 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
5400 V
(08800)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(contains)336 1572 A
1950(a)S
(collection)420 2034 A
2496(of)S
(miscellaneous)546 2622 A
(procedures:)462 3210 A
5490 V
(08801)210 648 A
1068(*)S
(mem_init:)378 1362 A
(initialize)420 2034 A
(memory)252 2496 A
(tables.)294 2790 A
(Some)168 3168 A
(memory)252 3378 A
3672(is)S
(reported)336 3798 A
5580 V
(08802)210 648 A
1068(*)S
2034(by)S
(the)126 2160 A
(BIOS,)210 2328 A
(some)168 2580 A
2790(is)S
(guesstimated)504 2916 A
(and)126 3462 A
(checked)294 3630 A
(later)210 3966 A
5670 V
(08803)210 648 A
1068(*)S
(env_parse)378 1362 A
(parse)210 2034 A
(environment)462 2286 A
(variable.)378 2790 A
5760 V
(08804)210 648 A
1068(*)S
(bad_assertion)546 1362 A
(for)126 2034 A
(debugging)378 2202 A
5850 V
(08805)210 648 A
1068(*)S
(bad_compare)462 1362 A
(for)126 2034 A
(debugging)378 2202 A
5940 V
(08806)210 648 A
1068(*/)S
6030 V
(08807)210 648 A
6120 V
(08808)210 648 A
(#include)336 1026 A
("kernel.h")420 1404 A
6210 V
(08809)210 648 A
(#include)336 1026 A
("assert.h")420 1404 A
8418 V
EP
%%Page: 111 111
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2042(File:)S
2275(src/kernel/misc.c)S
12 B
(111)180 4248 A
900 V
7 LST
(08810)210 648 A
(#include)336 1026 A
(<stdlib.h>)420 1404 A
990 V
(08811)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
1080 V
(08812)210 648 A
1170 V
(08813)210 648 A
(#define)294 1026 A
(EM_BASE)294 1362 A
(0x100000L)378 1866 A
2370(/*)S
(base)168 2496 A
2706(of)S
(extended)336 2832 A
(memory)252 3210 A
3504(on)S
(AT's)168 3630 A
3840(*/)S
1260 V
(08814)210 648 A
(#define)294 1026 A
(SHADOW_BASE)462 1362 A
(0xFA0000L)378 1866 A
2370(/*)S
(base)168 2496 A
2706(of)S
(RAM)126 2832 A
(shadowing)378 3000 A
(ROM)126 3420 A
3588(on)S
(some)168 3714 A
(AT's)168 3924 A
4134(*/)S
1350 V
(08815)210 648 A
(#define)294 1026 A
(SHADOW_MAX)420 1362 A
(0x060000L)378 1866 A
2370(/*)S
(maximum)294 2496 A
(usable)252 2832 A
(shadow)252 3126 A
(memory)252 3420 A
((16M)168 3714 A
(limit))252 3924 A
4218(*/)S
1440 V
(08816)210 648 A
1530 V
(08817)210 648 A
(/*=========================================================================*)3192 1026 A
1620 V
(08818)210 648 A
1068(*)S
(mem_init)336 2370 A
4176(*)S
1710 V
(08819)210 648 A
(*=========================================================================*/)3192 1068 A
1800 V
(08820)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(mem_init())420 1530 A
1890 V
(08821)210 648 A
1026({)S
1980 V
(08822)210 648 A
1026(/*)S
(Initialize)420 1152 A
(the)126 1614 A
(memory)252 1782 A
(size)168 2076 A
(tables.)294 2286 A
(This)168 2664 A
2874(is)S
(complicated)462 3000 A
3504(by)S
(fragmentation)546 3630 A
2070 V
(08823)210 648 A
1068(*)S
(and)126 1152 A
(different)378 1320 A
(access)252 1740 A
(strategies)420 2034 A
(for)126 2496 A
(protected)378 2664 A
(mode.)210 3084 A
(There)210 3378 A
(must)168 3630 A
3840(be)S
3966(a)S
2160 V
(08824)210 648 A
1068(*)S
(chunk)210 1152 A
1404(at)S
1530(0)S
(big)126 1614 A
(enough)252 1782 A
2076(to)S
(hold)168 2202 A
(Minix)210 2412 A
(proper.)294 2664 A
(For)126 3042 A
(286)126 3210 A
(and)126 3378 A
(386)126 3546 A
(processors,)462 3714 A
2250 V
(08825)210 648 A
1068(*)S
(there)210 1152 A
(can)126 1404 A
1572(be)S
(extended)336 1698 A
(memory)252 2076 A
((memory)294 2370 A
(above)210 2706 A
(1MB).)210 2958 A
(This)168 3252 A
(usually)294 3462 A
(starts)252 3798 A
4092(at)S
2340 V
(08826)210 648 A
1068(*)S
(1MB,)168 1152 A
(but)126 1362 A
(there)210 1530 A
(may)126 1782 A
1950(be)S
(another)294 2076 A
(chunk)210 2412 A
(just)168 2664 A
(below)210 2874 A
(16MB,)210 3126 A
(reserved)336 3378 A
(under)210 3756 A
(DOS)126 4008 A
2430 V
(08827)210 648 A
1068(*)S
(for)126 1152 A
(shadowing)378 1320 A
(ROM,)168 1740 A
(but)126 1950 A
(available)378 2118 A
2538(to)S
(Minix)210 2664 A
2916(if)S
(the)126 3042 A
(hardware)336 3210 A
(can)126 3588 A
3756(be)S
(re-mapped.)420 3882 A
2520 V
(08828)210 648 A
1068(*)S
1152(In)S
(protected)378 1278 A
(mode,)210 1698 A
(extended)336 1950 A
(memory)252 2328 A
2622(is)S
(accessible)420 2748 A
(assuming)336 3210 A
(CLICK_SIZE)420 3588 A
4050(is)S
2610 V
(08829)210 648 A
1068(*)S
(large)210 1152 A
(enough,)294 1404 A
(and)126 1740 A
1908(is)S
(treated)294 2034 A
2370(as)S
(ordinary)336 2496 A
(memory.)294 2874 A
2700 V
(08830)210 648 A
1068(*/)S
2790 V
(08831)210 648 A
2880 V
(08832)210 648 A
(u32_t)210 1110 A
(ext_clicks;)462 1362 A
2970 V
(08833)210 648 A
(phys_clicks)462 1110 A
(max_clicks;)462 1614 A
3060 V
(08834)210 648 A
3150 V
(08835)210 648 A
1110(/*)S
(Get)126 1236 A
(the)126 1404 A
(size)168 1572 A
1782(of)S
(ordinary)336 1908 A
(memory)252 2286 A
(from)168 2580 A
(the)126 2790 A
(BIOS.)210 2958 A
3210(*/)S
3240 V
(08836)210 648 A
(mem[0].size)462 1110 A
1614(=)S
(k_to_click(low_memsize);)1008 1698 A
3042(/*)S
(base)168 3168 A
3378(=)S
3462(0)S
3546(*/)S
3330 V
(08837)210 648 A
3420 V
(08838)210 648 A
1110(if)S
((pc_at)252 1236 A
1530(&&)S
(protected_mode))630 1656 A
2328({)S
3510 V
(08839)210 648 A
1362(/*)S
(Get)126 1488 A
(the)126 1656 A
(size)168 1824 A
2034(of)S
(extended)336 2160 A
(memory)252 2538 A
(from)168 2832 A
(the)126 3042 A
(BIOS.)210 3210 A
(This)168 3504 A
3714(is)S
(special)294 3840 A
3600 V
(08840)210 648 A
1404(*)S
(except)252 1488 A
1782(in)S
(protected)378 1908 A
(mode,)210 2328 A
(but)126 2580 A
(protected)378 2748 A
(mode)168 3168 A
3378(is)S
(now)126 3504 A
(normal.)294 3672 A
3690 V
(08841)210 648 A
1404(*)S
(Note)168 1488 A
(that)168 1698 A
1908(no)S
(more)168 2034 A
(than)168 2244 A
(16M)126 2454 A
(can)126 2622 A
2790(be)S
(addressed)378 2916 A
3336(in)S
(286)126 3462 A
(mode,)210 3630 A
3882(so)S
(make)168 4008 A
3780 V
(08842)210 648 A
1404(*)S
(sure)168 1488 A
(that)168 1698 A
(the)126 1908 A
(highest)294 2076 A
(memory)252 2412 A
(address)294 2706 A
(fits)168 3042 A
3252(in)S
3378(a)S
(short)210 3462 A
(when)168 3714 A
(counted)294 3924 A
3870 V
(08843)210 648 A
1404(*)S
1488(in)S
(clicks.)294 1614 A
3960 V
(08844)210 648 A
1404(*/)S
4050 V
(08845)210 648 A
(ext_clicks)420 1362 A
1824(=)S
(k_to_click((u32_t))756 1908 A
(ext_memsize);)546 2706 A
4140 V
(08846)210 648 A
(max_clicks)420 1362 A
1824(=)S
(USHRT_MAX)378 1908 A
2328(-)S
((EM_BASE)336 2412 A
2790(>>)S
(CLICK_SHIFT);)546 2916 A
4230 V
(08847)210 648 A
(mem[1].size)462 1362 A
1866(=)S
(MIN(ext_clicks,)630 1950 A
(max_clicks);)504 2622 A
4320 V
(08848)210 648 A
(mem[1].base)462 1362 A
1866(=)S
(EM_BASE)294 1950 A
2286(>>)S
(CLICK_SHIFT;)504 2412 A
4410 V
(08849)210 648 A
4500 V
(08850)210 648 A
1362(if)S
((ext_memsize)504 1488 A
2034(<=)S
((unsigned))420 2160 A
(((SHADOW_BASE)546 2622 A
3210(-)S
(EM_BASE))336 3294 A
3672(/)S
(1024))210 3756 A
4590 V
(08851)210 648 A
2034(&&)S
(check_mem(SHADOW_BASE,)924 2160 A
(SHADOW_MAX))462 3126 A
3630(==)S
(SHADOW_MAX))462 3756 A
4260({)S
4680 V
(08852)210 648 A
1698(/*)S
(Shadow)252 1824 A
(ROM)126 2118 A
(memory.)294 2286 A
2622(*/)S
4770 V
(08853)210 648 A
(mem[2].size)462 1698 A
2202(=)S
(SHADOW_MAX)420 2286 A
2748(>>)S
(CLICK_SHIFT;)504 2874 A
4860 V
(08854)210 648 A
(mem[2].base)462 1698 A
2202(=)S
(SHADOW_BASE)462 2286 A
2790(>>)S
(CLICK_SHIFT;)504 2916 A
4950 V
(08855)210 648 A
1362(})S
5040 V
(08856)210 648 A
1110(})S
5130 V
(08857)210 648 A
5220 V
(08858)210 648 A
1110(/*)S
(Total)210 1236 A
(system)252 1488 A
(memory.)294 1782 A
2118(*/)S
5310 V
(08859)210 648 A
(tot_mem_size)504 1110 A
1656(=)S
(mem[0].size)462 1740 A
2244(+)S
(mem[1].size)462 2328 A
2832(+)S
(mem[2].size;)504 2916 A
5400 V
(08860)210 648 A
1026(})S
5580 V
(08862)210 648 A
(/*=========================================================================*)3192 1026 A
5670 V
(08863)210 648 A
1068(*)S
(env_parse)378 2370 A
4176(*)S
5760 V
(08864)210 648 A
(*=========================================================================*/)3192 1068 A
5850 V
(08865)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(env_parse(env,)588 1488 A
(fmt,)168 2118 A
(field,)252 2328 A
(param,)252 2622 A
(min,)168 2916 A
(max))168 3126 A
5940 V
(08866)210 648 A
(char)168 1026 A
(*env;)210 1236 A
2034(/*)S
(environment)462 2160 A
(variable)336 2664 A
3042(to)S
(inspect)294 3168 A
3504(*/)S
6030 V
(08867)210 648 A
(char)168 1026 A
(*fmt;)210 1236 A
2034(/*)S
(template)336 2160 A
2538(to)S
(parse)210 2664 A
2916(it)S
(with)168 3042 A
3252(*/)S
6120 V
(08868)210 648 A
(int)126 1026 A
(field;)252 1194 A
2034(/*)S
(field)210 2160 A
(number)252 2412 A
2706(of)S
(value)210 2832 A
3084(to)S
(return)252 3210 A
3504(*/)S
6210 V
(08869)210 648 A
(long)168 1026 A
(*param;)294 1236 A
2034(/*)S
(address)294 2160 A
2496(of)S
(parameter)378 2622 A
3042(to)S
(get)126 3168 A
3336(*/)S
8418 V
EP
%%Page: 112 112
BP
/slant 0 def
/height 0 def
630 V
12 B
(112)180 648 A
11 R
2042(File:)S
2275(src/kernel/misc.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(08870)210 648 A
(long)168 1026 A
(min,)168 1236 A
(max;)168 1446 A
2034(/*)S
(minimum)294 2160 A
(and)126 2496 A
(maximum)294 2664 A
(values)252 3000 A
(for)126 3294 A
(the)126 3462 A
(parameter)378 3630 A
4050(*/)S
990 V
(08871)210 648 A
1026({)S
1080 V
(08872)210 648 A
1026(/*)S
(Parse)210 1152 A
1404(an)S
(environment)462 1530 A
(variable)336 2034 A
(setting,)336 2412 A
(something)378 2790 A
(like)168 3210 A
("DPETH0=300:3".)630 3420 A
1170 V
(08873)210 648 A
1068(*)S
(Panic)210 1152 A
1404(if)S
(the)126 1530 A
(parsing)294 1698 A
(fails.)252 2034 A
(Return)252 2370 A
(EP_UNSET)336 2664 A
3042(if)S
(the)126 3168 A
(environment)462 3336 A
(variable)336 3840 A
1260 V
(08874)210 648 A
1068(*)S
1152(is)S
(not)126 1278 A
(set,)168 1446 A
(EP_OFF)252 1656 A
1950(if)S
2076(it)S
2202(is)S
(set)126 2328 A
2496(to)S
("off",)252 2622 A
(EP_ON)210 2916 A
3168(if)S
(set)126 3294 A
3462(to)S
("on")168 3588 A
3798(or)S
3924(a)S
1350 V
(08875)210 648 A
1068(*)S
(field)210 1152 A
1404(is)S
(left)168 1530 A
(blank,)252 1740 A
2034(or)S
(EP_SET)252 2160 A
2454(if)S
2580(a)S
(field)210 2664 A
2916(is)S
(given)210 3042 A
((return)294 3294 A
(value)210 3630 A
(through)294 3882 A
1440 V
(08876)210 648 A
1068(*)S
(*param).)336 1152 A
(Commas)252 1572 A
(and)126 1866 A
(colons)252 2034 A
(may)126 2328 A
2496(be)S
(used)168 2622 A
2832(in)S
(the)126 2958 A
(environment)462 3126 A
(and)126 3630 A
(format)252 3798 A
1530 V
(08877)210 648 A
1068(*)S
(string,)294 1152 A
(fields)252 1488 A
1782(in)S
(the)126 1908 A
(environment)462 2076 A
(string)252 2580 A
(may)126 2874 A
3042(be)S
(empty,)252 3168 A
(and)126 3462 A
(punctuation)462 3630 A
1620 V
(08878)210 648 A
1068(*)S
(may)126 1152 A
1320(be)S
(missing)294 1446 A
1782(to)S
(skip)168 1908 A
(fields.)294 2118 A
(The)126 2496 A
(format)252 2664 A
(string)252 2958 A
(contains)336 3252 A
(characters)420 3630 A
1710 V
(08879)210 648 A
1068(*)S
('d',)168 1152 A
('o',)168 1362 A
('x')126 1572 A
(and)126 1740 A
('c')126 1908 A
2076(to)S
(indicate)336 2202 A
(that)168 2580 A
(10,)126 2790 A
2958(8,)S
(16,)126 3084 A
3252(or)S
3378(0)S
3462(is)S
(used)168 3588 A
3798(as)S
(the)126 3924 A
1800 V
(08880)210 648 A
1068(*)S
(last)168 1152 A
(argument)336 1362 A
1740(to)S
(strtol.)294 1866 A
1890 V
(08881)210 648 A
1068(*/)S
1980 V
(08882)210 648 A
2070 V
(08883)210 648 A
(char)168 1110 A
(*val,)210 1320 A
(*end;)210 1572 A
2160 V
(08884)210 648 A
(long)168 1110 A
(newpar;)294 1320 A
2250 V
(08885)210 648 A
(int)126 1110 A
1278(i)S
1362(=)S
1446(0,)S
(radix,)252 1572 A
1866(r;)S
2340 V
(08886)210 648 A
2430 V
(08887)210 648 A
1110(if)S
(((val)210 1236 A
1488(=)S
(k_getenv(env)))588 1572 A
2202(==)S
(NIL_PTR))336 2328 A
(return(EP_UNSET);)714 2706 A
2520 V
(08888)210 648 A
1110(if)S
((strcmp(val,)504 1236 A
("off"))252 1782 A
2076(==)S
2202(0))S
(return(EP_OFF);)630 2328 A
2610 V
(08889)210 648 A
1110(if)S
((strcmp(val,)504 1236 A
("on"))210 1782 A
2034(==)S
2160(0))S
(return(EP_ON);)588 2286 A
2700 V
(08890)210 648 A
2790 V
(08891)210 648 A
1110(r)S
1194(=)S
(EP_ON;)252 1278 A
2880 V
(08892)210 648 A
(for)126 1110 A
((;;))168 1278 A
1488({)S
2970 V
(08893)210 648 A
(while)210 1362 A
((*val)210 1614 A
1866(==)S
1992(')S
2076('))S
(val++;)252 2202 A
3060 V
(08894)210 648 A
3150 V
(08895)210 648 A
1362(if)S
((*val)210 1488 A
1740(==)S
1866(0))S
(return(r);)420 1992 A
2706(/*)S
(the)126 2832 A
(proper)252 3000 A
(exit)168 3294 A
(point)210 3504 A
3756(*/)S
3240 V
(08896)210 648 A
3330 V
(08897)210 648 A
1362(if)S
((*fmt)210 1488 A
1740(==)S
1866(0))S
(break;)252 1992 A
2706(/*)S
(too)126 2832 A
(many)168 3000 A
(values)252 3210 A
3504(*/)S
3420 V
(08898)210 648 A
3510 V
(08899)210 648 A
1362(if)S
((*val)210 1488 A
1740(==)S
(',')126 1866 A
2034(||)S
(*val)168 2160 A
2370(==)S
(':'))168 2496 A
2706({)S
3600 V
(08900)210 648 A
1698(/*)S
(Time)168 1824 A
2034(to)S
2160(go)S
2286(to)S
(the)126 2412 A
(next)168 2580 A
(field.)252 2790 A
3084(*/)S
3690 V
(08901)210 648 A
1698(if)S
((*fmt)210 1824 A
2076(==)S
(',')126 2202 A
2370(||)S
(*fmt)168 2496 A
2706(==)S
(':'))168 2832 A
(i++;)168 3042 A
3780 V
(08902)210 648 A
1698(if)S
((*fmt++)294 1824 A
2160(==)S
(*val))210 2286 A
(val++;)252 2538 A
3870 V
(08903)210 648 A
1362(})S
(else)168 1446 A
1656({)S
3960 V
(08904)210 648 A
1698(/*)S
(Environment)462 1824 A
(contains)336 2328 A
2706(a)S
(value,)252 2790 A
(get)126 3084 A
(it.)126 3252 A
3420(*/)S
4050 V
(08905)210 648 A
(switch)252 1698 A
((*fmt))252 1992 A
2286({)S
4140 V
(08906)210 648 A
(case)168 1698 A
('d':)168 1908 A
(radix)210 2370 A
2622(=)S
(10;)126 2790 A
(break;)252 3042 A
4230 V
(08907)210 648 A
(case)168 1698 A
('o':)168 1908 A
(radix)210 2370 A
2622(=)S
(010;)168 2748 A
(break;)252 3042 A
4320 V
(08908)210 648 A
(case)168 1698 A
('x':)168 1908 A
(radix)210 2370 A
2622(=)S
(0x10;)210 2706 A
(break;)252 3042 A
4410 V
(08909)210 648 A
(case)168 1698 A
('c':)168 1908 A
(radix)210 2370 A
2622(=)S
2832(0;)S
(break;)252 3042 A
4500 V
(08910)210 648 A
(default:)336 1698 A
(goto)168 2370 A
(badenv;)294 2580 A
4590 V
(08911)210 648 A
1698(})S
4680 V
(08912)210 648 A
(newpar)252 1698 A
1992(=)S
(strtol(val,)462 2076 A
(&end,)210 2580 A
(radix);)294 2832 A
4770 V
(08913)210 648 A
4860 V
(08914)210 648 A
1698(if)S
((end)168 1824 A
2034(==)S
(val))168 2160 A
(break;)252 2370 A
2706(/*)S
(not)126 2832 A
3000(a)S
(number)252 3084 A
3378(*/)S
4950 V
(08915)210 648 A
(val)126 1698 A
1866(=)S
(end;)168 1950 A
5040 V
(08916)210 648 A
5130 V
(08917)210 648 A
1698(if)S
1824((i)S
1950(==)S
(field))252 2076 A
2370({)S
5220 V
(08918)210 648 A
2034(/*)S
(The)126 2160 A
(field)210 2328 A
(requested.)420 2580 A
3042(*/)S
5310 V
(08919)210 648 A
2034(if)S
((newpar)294 2160 A
2496(<)S
(min)126 2580 A
2748(||)S
(newpar)252 2874 A
3168(>)S
(max))168 3252 A
(break;)252 3462 A
5400 V
(08920)210 648 A
(*param)252 2034 A
2328(=)S
(newpar;)294 2412 A
5490 V
(08921)210 648 A
2034(r)S
2118(=)S
(EP_SET;)294 2202 A
5580 V
(08922)210 648 A
1698(})S
5670 V
(08923)210 648 A
1362(})S
5760 V
(08924)210 648 A
1110(})S
5850 V
(08925)210 648 A
(badenv:)294 1026 A
5940 V
(08926)210 648 A
(printf("Bad)462 1110 A
(environment)462 1614 A
(setting:)336 2118 A
('%s)126 2496 A
2664(=)S
(%s'\n",)294 2748 A
(env,)168 3084 A
(k_getenv(env));)630 3294 A
6030 V
(08927)210 648 A
(panic("",)378 1110 A
(NO_NUM);)336 1530 A
6120 V
(08928)210 648 A
(/*NOTREACHED*/)588 1110 A
6210 V
(08929)210 648 A
1026(})S
8418 V
EP
%%Page: 113 113
BP
/slant 0 def
/height 0 def
630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2042(File:)S
2275(src/kernel/misc.c)S
12 B
(113)180 4248 A
990 V
7 LST
(08931)210 648 A
(#if)126 1026 A
(DEBUG)210 1194 A
1080 V
(08932)210 648 A
(/*=========================================================================*)3192 1026 A
1170 V
(08933)210 648 A
1068(*)S
(bad_assertion)546 2370 A
4176(*)S
1260 V
(08934)210 648 A
(*=========================================================================*/)3192 1068 A
1350 V
(08935)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(bad_assertion(file,)798 1530 A
(line,)210 2370 A
(what))210 2622 A
1440 V
(08936)210 648 A
(char)168 1026 A
(*file;)252 1236 A
1530 V
(08937)210 648 A
(int)126 1026 A
(line;)210 1194 A
1620 V
(08938)210 648 A
(char)168 1026 A
(*what;)252 1236 A
1710 V
(08939)210 648 A
1026({)S
1800 V
(08940)210 648 A
(printf("panic)546 1110 A
1698(at)S
(%s(%d):)294 1824 A
(assertion)378 2160 A
(\"%s\")252 2580 A
(failed\n",)420 2874 A
(file,)210 3336 A
(line,)210 3588 A
(what);)252 3840 A
1890 V
(08941)210 648 A
(panic(NULL,)462 1110 A
(NO_NUM);)336 1614 A
1980 V
(08942)210 648 A
1026(})S
2160 V
(08944)210 648 A
(/*=========================================================================*)3192 1026 A
2250 V
(08945)210 648 A
1068(*)S
(bad_compare)462 2370 A
4176(*)S
2340 V
(08946)210 648 A
(*=========================================================================*/)3192 1068 A
2430 V
(08947)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(bad_compare(file,)714 1530 A
(line,)210 2286 A
(lhs,)168 2538 A
(what,)210 2748 A
(rhs))168 3000 A
2520 V
(08948)210 648 A
(char)168 1026 A
(*file;)252 1236 A
2610 V
(08949)210 648 A
(int)126 1026 A
(line;)210 1194 A
2700 V
(08950)210 648 A
(int)126 1026 A
(lhs;)168 1194 A
2790 V
(08951)210 648 A
(char)168 1026 A
(*what;)252 1236 A
2880 V
(08952)210 648 A
(int)126 1026 A
(rhs;)168 1194 A
2970 V
(08953)210 648 A
1026({)S
3060 V
(08954)210 648 A
(printf("panic)546 1110 A
1698(at)S
(%s(%d):)294 1824 A
(compare)294 2160 A
((%d))168 2496 A
2706(%s)S
((%d))168 2832 A
(failed\n",)420 3042 A
3150 V
(08955)210 648 A
(file,)210 1362 A
(line,)210 1614 A
(lhs,)168 1866 A
(what,)210 2076 A
(rhs);)210 2328 A
3240 V
(08956)210 648 A
(panic(NULL,)462 1110 A
(NO_NUM);)336 1614 A
3330 V
(08957)210 648 A
1026(})S
3420 V
(08958)210 648 A
(#endif)252 1026 A
1320(/*)S
(DEBUG)210 1446 A
1698(*/)S
3690 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
3780 V
(src/kernel/driver.h)798 2034 A
3870 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4050 V
(09000)210 648 A
1026(/*)S
(Types)210 1152 A
(and)126 1404 A
(constants)378 1572 A
(shared)252 1992 A
(between)294 2286 A
(the)126 2622 A
(generic)294 2790 A
(and)126 3126 A
(device)252 3294 A
(dependent)378 3588 A
4140 V
(09001)210 648 A
1068(*)S
(device)252 1152 A
(driver)252 1446 A
(code.)210 1740 A
4230 V
(09002)210 648 A
1068(*/)S
4320 V
(09003)210 648 A
4410 V
(09004)210 648 A
(#include)336 1026 A
(<minix/callnr.h>)672 1404 A
4500 V
(09005)210 648 A
(#include)336 1026 A
(<minix/com.h>)546 1404 A
4590 V
(09006)210 648 A
(#include)336 1026 A
("proc.h")336 1404 A
4680 V
(09007)210 648 A
(#include)336 1026 A
(<minix/partition.h>)798 1404 A
4770 V
(09008)210 648 A
4860 V
(09009)210 648 A
1026(/*)S
(Info)168 1152 A
(about)210 1362 A
(and)126 1614 A
(entry)210 1782 A
(points)252 2034 A
(into)168 2328 A
(the)126 2538 A
(device)252 2706 A
(dependent)378 3000 A
(code.)210 3420 A
3672(*/)S
4950 V
(09010)210 648 A
(struct)252 1026 A
(driver)252 1320 A
1614({)S
5040 V
(09011)210 648 A
(_PROTOTYPE()462 1110 A
(char)168 1614 A
(*(*dr_name),)504 1824 A
((void))252 2370 A
2664();)S
5130 V
(09012)210 648 A
(_PROTOTYPE()462 1110 A
(int)126 1614 A
((*dr_open),)462 1782 A
((struct)294 2286 A
(driver)252 2622 A
(*dp,)168 2916 A
(message)294 3126 A
(*m_ptr))294 3462 A
3798();)S
5220 V
(09013)210 648 A
(_PROTOTYPE()462 1110 A
(int)126 1614 A
((*dr_close),)504 1782 A
((struct)294 2328 A
(driver)252 2664 A
(*dp,)168 2958 A
(message)294 3168 A
(*m_ptr))294 3504 A
3840();)S
5310 V
(09014)210 648 A
(_PROTOTYPE()462 1110 A
(int)126 1614 A
((*dr_ioctl),)504 1782 A
((struct)294 2328 A
(driver)252 2664 A
(*dp,)168 2958 A
(message)294 3168 A
(*m_ptr))294 3504 A
3840();)S
5400 V
(09015)210 648 A
(_PROTOTYPE()462 1110 A
(struct)252 1614 A
(device)252 1908 A
(*(*dr_prepare),)630 2202 A
((int)168 2874 A
(device))294 3084 A
3420();)S
5490 V
(09016)210 648 A
(_PROTOTYPE()462 1110 A
(int)126 1614 A
((*dr_schedule),)630 1782 A
((int)168 2454 A
(proc_nr,)336 2664 A
(struct)252 3042 A
(iorequest_s)462 3336 A
(*request))378 3840 A
4260();)S
5580 V
(09017)210 648 A
(_PROTOTYPE()462 1110 A
(int)126 1614 A
((*dr_finish),)546 1782 A
((void))252 2370 A
2664();)S
5670 V
(09018)210 648 A
(_PROTOTYPE()462 1110 A
(void)168 1614 A
((*dr_cleanup),)588 1824 A
((void))252 2454 A
2748();)S
5760 V
(09019)210 648 A
(_PROTOTYPE()462 1110 A
(void)168 1614 A
((*dr_geometry),)630 1824 A
((struct)294 2496 A
(partition)378 2832 A
(*entry))294 3252 A
3588();)S
5850 V
(09020)210 648 A
1026(};)S
5940 V
(09021)210 648 A
6030 V
(09022)210 648 A
(#if)126 1026 A
((CHIP)210 1194 A
1446(==)S
(INTEL))252 1572 A
6120 V
(09023)210 648 A
6210 V
(09024)210 648 A
1026(/*)S
(Number)252 1152 A
1446(of)S
(bytes)210 1572 A
(you)126 1824 A
(can)126 1992 A
(DMA)126 2160 A
(before)252 2328 A
(hitting)294 2622 A
2958(a)S
(64K)126 3042 A
(boundary:)378 3210 A
3630(*/)S
8418 V
EP
%%Page: 114 114
BP
/slant 0 def
/height 0 def
630 V
12 B
(114)180 648 A
11 R
2012(File:)S
2245(src/kernel/driver.h)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(09025)210 648 A
(#define)294 1026 A
(dma_bytes_left(phys))840 1362 A
2370(\)S
990 V
(09026)210 648 A
(((unsigned))462 1152 A
((sizeof(int))504 1656 A
2202(==)S
2328(2)S
2412(?)S
2496(0)S
2580(:)S
(0x10000))336 2664 A
3042(-)S
((unsigned))420 3126 A
(((phys))294 3588 A
3924(&)S
(0xFFFF)))336 4008 A
1080 V
(09027)210 648 A
1170 V
(09028)210 648 A
(#endif)252 1026 A
1320(/*)S
(CHIP)168 1446 A
1656(==)S
(INTEL)210 1782 A
2034(*/)S
1260 V
(09029)210 648 A
1350 V
(09030)210 648 A
1026(/*)S
(Base)168 1152 A
(and)126 1362 A
(size)168 1530 A
1740(of)S
1866(a)S
(partition)378 1950 A
2370(in)S
(bytes.)252 2496 A
2790(*/)S
1440 V
(09031)210 648 A
(struct)252 1026 A
(device)252 1320 A
1614({)S
1530 V
(09032)210 648 A
(unsigned)336 1110 A
(long)168 1488 A
(dv_base;)336 1698 A
1620 V
(09033)210 648 A
(unsigned)336 1110 A
(long)168 1488 A
(dv_size;)336 1698 A
1710 V
(09034)210 648 A
1026(};)S
1800 V
(09035)210 648 A
1890 V
(09036)210 648 A
(#define)294 1026 A
(NIL_DEV)294 1362 A
(((struct)336 2034 A
(device)252 2412 A
2706(*))S
2832(0))S
1980 V
(09037)210 648 A
2070 V
(09038)210 648 A
1026(/*)S
(Functions)378 1152 A
(defined)294 1572 A
1908(by)S
(driver.c:)378 2034 A
2454(*/)S
2160 V
(09039)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(driver_task,)504 1740 A
((struct)294 2286 A
(driver)252 2622 A
(*dr))168 2916 A
3126();)S
2250 V
(09040)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_rdwt,)336 1698 A
((struct)294 2076 A
(driver)252 2412 A
(*dr,)168 2706 A
(message)294 2916 A
(*m_ptr))294 3252 A
3588();)S
2340 V
(09041)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_vrdwt,)378 1698 A
((struct)294 2118 A
(driver)252 2454 A
(*dr,)168 2748 A
(message)294 2958 A
(*m_ptr))294 3294 A
3630();)S
2430 V
(09042)210 648 A
(_PROTOTYPE()462 1026 A
(char)168 1530 A
(*no_name,)378 1740 A
((void))252 2160 A
2454();)S
2520 V
(09043)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_nop,)294 1698 A
((struct)294 2034 A
(driver)252 2370 A
(*dp,)168 2664 A
(message)294 2874 A
(*m_ptr))294 3210 A
3546();)S
2610 V
(09044)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(nop_finish,)462 1698 A
((void))252 2202 A
2496();)S
2700 V
(09045)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(nop_cleanup,)504 1740 A
((void))252 2286 A
2580();)S
2790 V
(09046)210 648 A
(_PROTOTYPE()462 1026 A
(void)168 1530 A
(clock_mess,)462 1740 A
((int)168 2244 A
(ticks,)252 2454 A
(watchdog_t)420 2748 A
(func))210 3210 A
3462();)S
2880 V
(09047)210 648 A
(_PROTOTYPE()462 1026 A
(int)126 1530 A
(do_diocntl,)462 1698 A
((struct)294 2202 A
(driver)252 2538 A
(*dr,)168 2832 A
(message)294 3042 A
(*m_ptr))294 3378 A
3714();)S
2970 V
(09048)210 648 A
3060 V
(09049)210 648 A
1026(/*)S
(Parameters)420 1152 A
(for)126 1614 A
(the)126 1782 A
(disk)168 1950 A
(drive.)252 2160 A
2454(*/)S
3150 V
(09050)210 648 A
(#define)294 1026 A
(SECTOR_SIZE)462 1362 A
(512)126 2076 A
2370(/*)S
(physical)336 2496 A
(sector)252 2874 A
(size)168 3168 A
3378(in)S
(bytes)210 3504 A
3756(*/)S
3240 V
(09051)210 648 A
(#define)294 1026 A
(SECTOR_SHIFT)504 1362 A
2160(9)S
2370(/*)S
(for)126 2496 A
(division)336 2664 A
3042(*/)S
3330 V
(09052)210 648 A
(#define)294 1026 A
(SECTOR_MASK)462 1362 A
(511)126 2076 A
2370(/*)S
(and)126 2496 A
(remainder)378 2664 A
3084(*/)S
3420 V
(09053)210 648 A
3510 V
(09054)210 648 A
1026(/*)S
(Size)168 1152 A
1362(of)S
(the)126 1488 A
(DMA)126 1656 A
(buffer)252 1824 A
(buffer)252 2118 A
2412(in)S
(bytes.)252 2538 A
2832(*/)S
3600 V
(09055)210 648 A
(#define)294 1026 A
(DMA_BUF_SIZE)504 1362 A
((DMA_SECTORS)504 2034 A
2580(*)S
(SECTOR_SIZE))504 2664 A
3690 V
(09056)210 648 A
3780 V
(09057)210 648 A
(#if)126 1026 A
((CHIP)210 1194 A
1446(==)S
(INTEL))252 1572 A
3870 V
(09058)210 648 A
(extern)252 1026 A
(u8_t)168 1320 A
(*tmp_buf;)378 1530 A
2706(/*)S
(the)126 2832 A
(DMA)126 3000 A
(buffer)252 3168 A
3462(*/)S
3960 V
(09059)210 648 A
(#else)210 1026 A
4050 V
(09060)210 648 A
(extern)252 1026 A
(u8_t)168 1320 A
(tmp_buf[];)420 1530 A
2706(/*)S
(the)126 2832 A
(DMA)126 3000 A
(buffer)252 3168 A
3462(*/)S
4140 V
(09061)210 648 A
(#endif)252 1026 A
4230 V
(09062)210 648 A
(extern)252 1026 A
(phys_bytes)420 1320 A
(tmp_phys;)378 1782 A
2706(/*)S
(phys)168 2832 A
(address)294 3042 A
3378(of)S
(DMA)126 3504 A
(buffer)252 3672 A
3966(*/)S
4590 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4680 V
(src/kernel/driver.c)798 2034 A
4770 V
(++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++)3528 648 A
4950 V
(09100)210 648 A
1026(/*)S
(This)168 1152 A
(file)168 1362 A
(contains)336 1572 A
(device)252 1950 A
(independent)462 2244 A
(device)252 2748 A
(driver)252 3042 A
(interface.)420 3336 A
5040 V
(09101)210 648 A
1068(*)S
(Author:)294 3378 A
(Kees)168 3714 A
3924(J.)S
(Bot.)168 4050 A
5130 V
(09102)210 648 A
1068(*)S
5220 V
(09103)210 648 A
1068(*)S
(The)126 1152 A
(drivers)294 1320 A
(support)294 1656 A
(the)126 1992 A
(following)378 2160 A
(operations)420 2580 A
((using)252 3042 A
(message)294 3336 A
(format)252 3672 A
(m2):)168 3966 A
5310 V
(09104)210 648 A
1068(*)S
5400 V
(09105)210 648 A
1068(*)S
(m_type)252 1278 A
(DEVICE)252 1782 A
(PROC_NR)294 2202 A
(COUNT)210 2706 A
(POSITION)336 3084 A
(ADRRESS)294 3504 A
5490 V
(09106)210 648 A
1068(*)S
(----------------------------------------------------------------)2688 1152 A
5580 V
(09107)210 648 A
1068(*)S
1152(|)S
(DEV_OPEN)336 1278 A
1698(|)S
(device)252 1782 A
2118(|)S
(proc)168 2202 A
2412(nr)S
2538(|)S
2958(|)S
3378(|)S
3798(|)S
5670 V
(09108)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------+---------|)2688 1152 A
5760 V
(09109)210 648 A
1068(*)S
1152(|)S
(DEV_CLOSE)378 1278 A
1698(|)S
(device)252 1782 A
2118(|)S
(proc)168 2202 A
2412(nr)S
2538(|)S
2958(|)S
3378(|)S
3798(|)S
5850 V
(09110)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------+---------|)2688 1152 A
5940 V
(09111)210 648 A
1068(*)S
1152(|)S
(DEV_READ)336 1278 A
1698(|)S
(device)252 1782 A
2118(|)S
(proc)168 2202 A
2412(nr)S
2538(|)S
(bytes)210 2664 A
2958(|)S
(offset)252 3084 A
3378(|)S
(buf)126 3462 A
(ptr)126 3630 A
3798(|)S
6030 V
(09112)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------+---------|)2688 1152 A
6120 V
(09113)210 648 A
1068(*)S
1152(|)S
(DEV_WRITE)378 1278 A
1698(|)S
(device)252 1782 A
2118(|)S
(proc)168 2202 A
2412(nr)S
2538(|)S
(bytes)210 2664 A
2958(|)S
(offset)252 3084 A
3378(|)S
(buf)126 3462 A
(ptr)126 3630 A
3798(|)S
6210 V
(09114)210 648 A
1068(*)S
(|------------+---------+---------+---------+---------+---------|)2688 1152 A
8418 V
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/slant 0 def
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2015(File:)S
2248(src/kernel/driver.c)S
12 B
(115)180 4248 A
900 V
7 LST
(09115)210 648 A
1068(*)S
(|SCATTERED_IO|)588 1152 A
(device)252 1782 A
2118(|)S
(proc)168 2202 A
2412(nr)S
2538(|)S
(requests|)378 2622 A
3378(|)S
(iov)126 3462 A
(ptr)126 3630 A
3798(|)S
990 V
(09116)210 648 A
1068(*)S
(----------------------------------------------------------------)2688 1152 A
1080 V
(09117)210 648 A
1068(*)S
1152(|)S
(DEV_IOCTL)378 1278 A
1698(|)S
(device)252 1782 A
2118(|)S
(proc)168 2202 A
2412(nr)S
(|func)210 2538 A
(code|)210 2790 A
3378(|)S
(buf)126 3462 A
(ptr)126 3630 A
3798(|)S
1170 V
(09118)210 648 A
1068(*)S
(----------------------------------------------------------------)2688 1152 A
1260 V
(09119)210 648 A
1068(*)S
1350 V
(09120)210 648 A
1068(*)S
(The)126 1152 A
(file)168 1320 A
(contains)336 1530 A
(one)126 1908 A
(entry)210 2076 A
(point:)252 2328 A
1440 V
(09121)210 648 A
1068(*)S
1530 V
(09122)210 648 A
1068(*)S
(driver_task:)504 1236 A
(called)252 2034 A
2328(by)S
(the)126 2454 A
(device)252 2622 A
(dependent)378 2916 A
(task)168 3336 A
(entry)210 3546 A
1620 V
(09123)210 648 A
1068(*)S
1710 V
(09124)210 648 A
1068(*)S
1800 V
(09125)210 648 A
1068(*)S
(Constructed)462 1152 A
(92/04/02)336 1656 A
2034(by)S
(Kees)168 2160 A
2370(J.)S
(Bot)126 2496 A
(from)168 2664 A
(the)126 2874 A
(old)126 3042 A
3210(AT)S
(wini)168 3336 A
(and)126 3546 A
(floppy)252 3714 A
(driver.)294 4008 A
1890 V
(09126)210 648 A
1068(*/)S
1980 V
(09127)210 648 A
2070 V
(09128)210 648 A
(#include)336 1026 A
("kernel.h")420 1404 A
2160 V
(09129)210 648 A
(#include)336 1026 A
(<sys/ioctl.h>)546 1404 A
2250 V
(09130)210 648 A
(#include)336 1026 A
("driver.h")420 1404 A
2340 V
(09131)210 648 A
2430 V
(09132)210 648 A
(#define)294 1026 A
(BUF_EXTRA)378 1362 A
2034(0)S
2520 V
(09133)210 648 A
2610 V
(09134)210 648 A
1026(/*)S
(Claim)210 1152 A
(space)210 1404 A
(for)126 1656 A
(variables.)420 1824 A
2286(*/)S
2700 V
(09135)210 648 A
(PRIVATE)294 1026 A
(u8_t)168 1362 A
(buffer[(unsigned))714 1572 A
2328(2)S
2412(*)S
(DMA_BUF_SIZE)504 2496 A
3042(+)S
(BUF_EXTRA];)462 3126 A
2790 V
(09136)210 648 A
(u8_t)168 1026 A
(*tmp_buf;)378 1236 A
2370(/*)S
(the)126 2496 A
(DMA)126 2664 A
(buffer)252 2832 A
(eventually)420 3126 A
3588(*/)S
2880 V
(09137)210 648 A
(phys_bytes)420 1026 A
(tmp_phys;)378 1488 A
2370(/*)S
(phys)168 2496 A
(address)294 2706 A
3042(of)S
(DMA)126 3168 A
(buffer)252 3336 A
3630(*/)S
2970 V
(09138)210 648 A
3060 V
(09139)210 648 A
(FORWARD)294 1026 A
(_PROTOTYPE()462 1362 A
(void)168 1866 A
(init_buffer,)504 2076 A
((void))252 2622 A
2916();)S
3150 V
(09140)210 648 A
3240 V
(09141)210 648 A
(/*===========================================================================*)3276 1026 A
3330 V
(09142)210 648 A
1068(*)S
(driver_task)462 2370 A
4260(*)S
3420 V
(09143)210 648 A
(*===========================================================================*/)3276 1068 A
3510 V
(09144)210 648 A
(PUBLIC)252 1026 A
(void)168 1320 A
(driver_task(dp))630 1530 A
3600 V
(09145)210 648 A
(struct)252 1026 A
(driver)252 1320 A
(*dp;)168 1614 A
2034(/*)S
(Device)252 2160 A
(dependent)378 2454 A
(entry)210 2874 A
(points.)294 3126 A
3462(*/)S
3690 V
(09146)210 648 A
1026({)S
3780 V
(09147)210 648 A
1026(/*)S
(Main)168 1152 A
(program)294 1362 A
1698(of)S
(any)126 1824 A
(device)252 1992 A
(driver)252 2286 A
(task.)210 2580 A
2832(*/)S
3870 V
(09148)210 648 A
3960 V
(09149)210 648 A
(int)126 1110 A
1278(r,)S
(caller,)294 1404 A
(proc_nr;)336 1740 A
4050 V
(09150)210 648 A
(message)294 1110 A
(mess;)210 1446 A
4140 V
(09151)210 648 A
4230 V
(09152)210 648 A
(init_buffer();)588 1110 A
2034(/*)S
(Get)126 2160 A
2328(a)S
(DMA)126 2412 A
(buffer.)294 2580 A
2916(*/)S
4320 V
(09153)210 648 A
4410 V
(09154)210 648 A
1110(/*)S
(Here)168 1236 A
1446(is)S
(the)126 1572 A
(main)168 1740 A
(loop)168 1950 A
2160(of)S
(the)126 2286 A
(disk)168 2454 A
(task.)210 2664 A
2958(It)S
(waits)210 3084 A
(for)126 3336 A
3504(a)S
(message,)336 3588 A
(carries)294 3966 A
4500 V
(09155)210 648 A
1152(*)S
1236(it)S
(out,)168 1362 A
(and)126 1572 A
(sends)210 1740 A
1992(a)S
(reply.)252 2076 A
4590 V
(09156)210 648 A
1152(*/)S
4680 V
(09157)210 648 A
4770 V
(09158)210 648 A
(while)210 1110 A
((TRUE))252 1362 A
1656({)S
4860 V
(09159)210 648 A
1362(/*)S
(First)210 1488 A
(wait)168 1740 A
(for)126 1950 A
2118(a)S
(request)294 2202 A
2538(to)S
(read)168 2664 A
2874(or)S
(write)210 3000 A
3252(a)S
(disk)168 3336 A
(block.)252 3546 A
3840(*/)S
4950 V
(09160)210 648 A
(receive(ANY,)504 1362 A
(&mess);)294 1908 A
5040 V
(09161)210 648 A
5130 V
(09162)210 648 A
(caller)252 1362 A
1656(=)S
(mess.m_source;)588 1740 A
5220 V
(09163)210 648 A
(proc_nr)294 1362 A
1698(=)S
(mess.PROC_NR;)546 1782 A
5310 V
(09164)210 648 A
5400 V
(09165)210 648 A
(switch)252 1362 A
((caller))336 1656 A
2034({)S
5490 V
(09166)210 648 A
(case)168 1362 A
(HARDWARE:)378 1572 A
5580 V
(09167)210 648 A
1698(/*)S
(Leftover)336 1824 A
(interrupt.)420 2202 A
2664(*/)S
5670 V
(09168)210 648 A
(continue;)378 1698 A
5760 V
(09169)210 648 A
(case)168 1362 A
(FS_PROC_NR:)462 1572 A
5850 V
(09170)210 648 A
1698(/*)S
(The)126 1824 A
(only)168 1992 A
(legitimate)420 2202 A
(caller.)294 2664 A
3000(*/)S
5940 V
(09171)210 648 A
(break;)252 1698 A
6030 V
(09172)210 648 A
(default:)336 1362 A
6120 V
(09173)210 648 A
(printf("%s:)462 1698 A
(got)126 2202 A
(message)294 2370 A
(from)168 2706 A
(%d\n",)252 2916 A
((*dp->dr_name)(),)714 3210 A
(caller);)336 3966 A
6210 V
(09174)210 648 A
(continue;)378 1698 A
8418 V
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630 V
12 B
(116)180 648 A
11 R
2015(File:)S
2248(src/kernel/driver.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(09175)210 648 A
1362(})S
990 V
(09176)210 648 A
1080 V
(09177)210 648 A
1362(/*)S
(Now)126 1488 A
(carry)210 1656 A
(out)126 1908 A
(the)126 2076 A
(work.)210 2244 A
2496(*/)S
1170 V
(09178)210 648 A
(switch(mess.m_type))798 1362 A
2202({)S
1260 V
(09179)210 648 A
(case)168 1530 A
(DEV_OPEN:)378 1740 A
2370(r)S
2454(=)S
((*dp->dr_open)(dp,)756 2538 A
(&mess);)294 3336 A
(break;)252 3714 A
1350 V
(09180)210 648 A
(case)168 1530 A
(DEV_CLOSE:)420 1740 A
2370(r)S
2454(=)S
((*dp->dr_close)(dp,)798 2538 A
(&mess);)294 3378 A
(break;)252 3714 A
1440 V
(09181)210 648 A
(case)168 1530 A
(DEV_IOCTL:)420 1740 A
2370(r)S
2454(=)S
((*dp->dr_ioctl)(dp,)798 2538 A
(&mess);)294 3378 A
(break;)252 3714 A
1530 V
(09182)210 648 A
1620 V
(09183)210 648 A
(case)168 1530 A
(DEV_READ:)378 1740 A
1710 V
(09184)210 648 A
(case)168 1530 A
(DEV_WRITE:)420 1740 A
2370(r)S
2454(=)S
(do_rdwt(dp,)462 2538 A
(&mess);)294 3042 A
(break;)252 3714 A
1800 V
(09185)210 648 A
1890 V
(09186)210 648 A
(case)168 1530 A
(SCATTERED_IO:)546 1740 A
2370(r)S
2454(=)S
(do_vrdwt(dp,)504 2538 A
(&mess);)294 3084 A
(break;)252 3714 A
1980 V
(09187)210 648 A
(default:)336 1530 A
2370(r)S
2454(=)S
(EINVAL;)294 2538 A
(break;)252 3714 A
2070 V
(09188)210 648 A
1362(})S
2160 V
(09189)210 648 A
2250 V
(09190)210 648 A
1362(/*)S
(Clean)210 1488 A
1740(up)S
(leftover)336 1866 A
(state.)252 2244 A
2538(*/)S
2340 V
(09191)210 648 A
((*dp->dr_cleanup)();)840 1362 A
2430 V
(09192)210 648 A
2520 V
(09193)210 648 A
1362(/*)S
(Finally,)336 1488 A
(prepare)294 1866 A
(and)126 2202 A
(send)168 2370 A
(the)126 2580 A
(reply)210 2748 A
(message.)336 3000 A
3378(*/)S
2610 V
(09194)210 648 A
(mess.m_type)462 1362 A
1866(=)S
(TASK_REPLY;)462 1950 A
2700 V
(09195)210 648 A
(mess.REP_PROC_NR)672 1362 A
2076(=)S
(proc_nr;)336 2160 A
2790 V
(09196)210 648 A
2880 V
(09197)210 648 A
(mess.REP_STATUS)630 1362 A
2034(=)S
2118(r;)S
2370(/*)S
2496(#)S
2580(of)S
(bytes)210 2706 A
(transferred)462 2958 A
3462(or)S
(error)210 3588 A
(code)168 3840 A
4050(*/)S
2970 V
(09198)210 648 A
(send(caller,)504 1362 A
(&mess);)294 1908 A
2370(/*)S
(send)168 2496 A
(reply)210 2706 A
2958(to)S
(caller)252 3084 A
3378(*/)S
3060 V
(09199)210 648 A
1110(})S
3150 V
(09200)210 648 A
1026(})S
3330 V
(09202)210 648 A
(/*===========================================================================*)3276 1026 A
3420 V
(09203)210 648 A
1068(*)S
(init_buffer)462 2370 A
4260(*)S
3510 V
(09204)210 648 A
(*===========================================================================*/)3276 1068 A
3600 V
(09205)210 648 A
(PRIVATE)294 1026 A
(void)168 1362 A
(init_buffer())546 1572 A
3690 V
(09206)210 648 A
1026({)S
3780 V
(09207)210 648 A
1026(/*)S
(Select)252 1152 A
1446(a)S
(buffer)252 1530 A
(that)168 1824 A
(can)126 2034 A
(safely)252 2202 A
2496(be)S
(used)168 2622 A
(for)126 2832 A
(dma)126 3000 A
(transfers.)420 3168 A
3672(It)S
(may)126 3798 A
(also)168 3966 A
3870 V
(09208)210 648 A
1068(*)S
1152(be)S
(used)168 1278 A
1488(to)S
(read)168 1614 A
(partition)378 1824 A
(tables)252 2244 A
(and)126 2538 A
(such.)210 2706 A
(Its)126 3000 A
(absolute)336 3168 A
(address)294 3546 A
3882(is)S
3960 V
(09209)210 648 A
1068(*)S
('tmp_phys',)462 1152 A
(the)126 1656 A
(normal)252 1824 A
(address)294 2118 A
2454(is)S
('tmp_buf'.)420 2580 A
4050 V
(09210)210 648 A
1068(*/)S
4140 V
(09211)210 648 A
4230 V
(09212)210 648 A
(tmp_buf)294 1110 A
1446(=)S
(buffer;)294 1530 A
4320 V
(09213)210 648 A
(tmp_phys)336 1110 A
1488(=)S
(vir2phys(buffer);)714 1572 A
4410 V
(09214)210 648 A
4500 V
(09215)210 648 A
1110(if)S
((tmp_phys)378 1236 A
1656(==)S
1782(0))S
(panic("no)378 1908 A
(DMA)126 2328 A
(buffer",)336 2496 A
(NO_NUM);)336 2874 A
4590 V
(09216)210 648 A
4680 V
(09217)210 648 A
1110(if)S
((dma_bytes_left(tmp_phys))1050 1236 A
2328(<)S
(DMA_BUF_SIZE))546 2412 A
3000({)S
4770 V
(09218)210 648 A
1362(/*)S
(First)210 1488 A
(half)168 1740 A
1950(of)S
(buffer)252 2076 A
(crosses)294 2370 A
2706(a)S
(64K)126 2790 A
(boundary,)378 2958 A
(can't)210 3378 A
(DMA)126 3630 A
(into)168 3798 A
(that)168 4008 A
4218(*/)S
4860 V
(09219)210 648 A
(tmp_buf)294 1362 A
1698(+=)S
(DMA_BUF_SIZE;)546 1824 A
4950 V
(09220)210 648 A
(tmp_phys)336 1362 A
1740(+=)S
(DMA_BUF_SIZE;)546 1866 A
5040 V
(09221)210 648 A
1110(})S
5130 V
(09222)210 648 A
1026(})S
5310 V
(09224)210 648 A
(/*===========================================================================*)3276 1026 A
5400 V
(09225)210 648 A
1068(*)S
(do_rdwt)294 2370 A
4260(*)S
5490 V
(09226)210 648 A
(*===========================================================================*/)3276 1068 A
5580 V
(09227)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_rdwt(dp,)462 1488 A
(m_ptr))252 1992 A
5670 V
(09228)210 648 A
(struct)252 1026 A
(driver)252 1320 A
(*dp;)168 1614 A
2370(/*)S
(device)252 2496 A
(dependent)378 2790 A
(entry)210 3210 A
(points)252 3462 A
3756(*/)S
5760 V
(09229)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2370(/*)S
(pointer)294 2496 A
2832(to)S
(read)168 2958 A
3168(or)S
(write)210 3294 A
(message)294 3546 A
3882(*/)S
5850 V
(09230)210 648 A
1026({)S
5940 V
(09231)210 648 A
1026(/*)S
(Carry)210 1152 A
(out)126 1404 A
1572(a)S
(single)252 1656 A
(read)168 1950 A
2160(or)S
(write)210 2286 A
(request.)336 2538 A
2916(*/)S
6030 V
(09232)210 648 A
(struct)252 1110 A
(iorequest_s)462 1404 A
(ioreq;)252 1908 A
6120 V
(09233)210 648 A
(int)126 1110 A
1278(r;)S
6210 V
(09234)210 648 A
8418 V
EP
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630 V
10 R
648(MINIX)S
976(SOURCE)S
1399(CODE)S
11 R
2015(File:)S
2248(src/kernel/driver.c)S
12 B
(117)180 4248 A
900 V
7 LST
(09235)210 648 A
1110(if)S
((m_ptr->COUNT)546 1236 A
1824(<=)S
1950(0))S
(return(EINVAL);)630 2076 A
990 V
(09236)210 648 A
1080 V
(09237)210 648 A
1110(if)S
(((*dp->dr_prepare)(m_ptr->DEVICE))1386 1236 A
2664(==)S
(NIL_DEV))336 2790 A
(return(ENXIO);)588 3168 A
1170 V
(09238)210 648 A
1260 V
(09239)210 648 A
(ioreq.io_request)672 1110 A
1824(=)S
(m_ptr->m_type;)588 1908 A
1350 V
(09240)210 648 A
(ioreq.io_buf)504 1110 A
1656(=)S
(m_ptr->ADDRESS;)630 1740 A
1440 V
(09241)210 648 A
(ioreq.io_position)714 1110 A
1866(=)S
(m_ptr->POSITION;)672 1950 A
1530 V
(09242)210 648 A
(ioreq.io_nbytes)630 1110 A
1782(=)S
(m_ptr->COUNT;)546 1866 A
1620 V
(09243)210 648 A
1710 V
(09244)210 648 A
1110(r)S
1194(=)S
((*dp->dr_schedule)(m_ptr->PROC_NR,)1428 1278 A
(&ioreq);)336 2748 A
1800 V
(09245)210 648 A
1890 V
(09246)210 648 A
1110(if)S
1236((r)S
1362(==)S
(OK))126 1488 A
((void))252 1656 A
((*dp->dr_finish)();)798 1950 A
1980 V
(09247)210 648 A
2070 V
(09248)210 648 A
1110(r)S
1194(=)S
(ioreq.io_nbytes;)672 1278 A
2160 V
(09249)210 648 A
(return(r)336 1110 A
1488(<)S
1572(0)S
1656(?)S
1740(r)S
1824(:)S
(m_ptr->COUNT)504 1908 A
2454(-)S
(r);)126 2538 A
2250 V
(09250)210 648 A
1026(})S
2430 V
(09252)210 648 A
(/*==========================================================================*)3234 1026 A
2520 V
(09253)210 648 A
1068(*)S
(do_vrdwt)336 2370 A
4218(*)S
2610 V
(09254)210 648 A
(*==========================================================================*/)3234 1068 A
2700 V
(09255)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_vrdwt(dp,)504 1488 A
(m_ptr))252 2034 A
2790 V
(09256)210 648 A
(struct)252 1026 A
(driver)252 1320 A
(*dp;)168 1614 A
2034(/*)S
(device)252 2160 A
(dependent)378 2454 A
(entry)210 2874 A
(points)252 3126 A
3420(*/)S
2880 V
(09257)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2034(/*)S
(pointer)294 2160 A
2496(to)S
(read)168 2622 A
2832(or)S
(write)210 2958 A
(message)294 3210 A
3546(*/)S
2970 V
(09258)210 648 A
1026({)S
3060 V
(09259)210 648 A
1026(/*)S
(Fetch)210 1152 A
1404(a)S
(vector)252 1488 A
1782(of)S
(i/o)126 1908 A
(requests.)378 2076 A
(Handle)252 2538 A
(requests)336 2832 A
(one)126 3210 A
3378(at)S
3504(a)S
(time.)210 3588 A
(Return)252 3882 A
3150 V
(09260)210 648 A
1068(*)S
(status)252 1152 A
1446(in)S
(the)126 1572 A
(vector.)294 1740 A
3240 V
(09261)210 648 A
1068(*/)S
3330 V
(09262)210 648 A
3420 V
(09263)210 648 A
(struct)252 1110 A
(iorequest_s)462 1404 A
(*iop;)210 1908 A
3510 V
(09264)210 648 A
(static)252 1110 A
(struct)252 1404 A
(iorequest_s)462 1698 A
(iovec[NR_IOREQS];)714 2202 A
3600 V
(09265)210 648 A
(phys_bytes)420 1110 A
(iovec_phys;)462 1572 A
3690 V
(09266)210 648 A
(unsigned)336 1110 A
(nr_requests;)504 1488 A
3780 V
(09267)210 648 A
(int)126 1110 A
(request;)336 1278 A
3870 V
(09268)210 648 A
(int)126 1110 A
1278(r;)S
3960 V
(09269)210 648 A
(phys_bytes)420 1110 A
(user_iovec_phys;)672 1572 A
4050 V
(09270)210 648 A
4140 V
(09271)210 648 A
(nr_requests)462 1110 A
1614(=)S
(m_ptr->COUNT;)546 1698 A
4230 V
(09272)210 648 A
4320 V
(09273)210 648 A
1110(if)S
((nr_requests)504 1236 A
1782(>)S
(sizeof)252 1866 A
(iovec)210 2160 A
2412(/)S
(sizeof)252 2496 A
(iovec[0]))378 2790 A
4410 V
(09274)210 648 A
(panic("FS)378 1362 A
(passed)252 1782 A
(too)126 2076 A
(big)126 2244 A
2412(an)S
(I/O)126 2538 A
(vector",)336 2706 A
(nr_requests);)546 3084 A
4500 V
(09275)210 648 A
4590 V
(09276)210 648 A
(iovec_phys)420 1110 A
1572(=)S
(vir2phys(iovec);)672 1656 A
4680 V
(09277)210 648 A
(user_iovec_phys)630 1110 A
1782(=)S
(numap(m_ptr->PROC_NR,)882 1866 A
((vir_bytes))462 2790 A
(m_ptr->ADDRESS,)630 3294 A
4770 V
(09278)210 648 A
((vir_bytes))462 2076 A
((nr_requests)504 2580 A
3126(*)S
(sizeof)252 3210 A
(iovec[0]));)462 3504 A
4860 V
(09279)210 648 A
4950 V
(09280)210 648 A
1110(if)S
((user_iovec_phys)672 1236 A
1950(==)S
2076(0))S
5040 V
(09281)210 648 A
(panic("FS)378 1362 A
(passed)252 1782 A
2076(a)S
(bad)126 2160 A
(I/O)126 2328 A
(vector",)336 2496 A
((int))210 2874 A
(m_ptr->ADDRESS);)672 3126 A
5130 V
(09282)210 648 A
5220 V
(09283)210 648 A
(phys_copy(user_iovec_phys,)1092 1110 A
(iovec_phys,)462 2244 A
5310 V
(09284)210 648 A
((phys_bytes))504 2202 A
(nr_requests)462 2748 A
3252(*)S
(sizeof)252 3336 A
(iovec[0]);)420 3630 A
5400 V
(09285)210 648 A
5490 V
(09286)210 648 A
1110(if)S
(((*dp->dr_prepare)(m_ptr->DEVICE))1386 1236 A
2664(==)S
(NIL_DEV))336 2790 A
(return(ENXIO);)588 3168 A
5580 V
(09287)210 648 A
5670 V
(09288)210 648 A
(for)126 1110 A
((request)336 1278 A
1656(=)S
1740(0,)S
(iop)126 1866 A
2034(=)S
(iovec;)252 2118 A
(request)294 2412 A
2748(<)S
(nr_requests;)504 2832 A
(request++,)420 3378 A
(iop++))252 3840 A
4134({)S
5760 V
(09289)210 648 A
1362(if)S
(((r)126 1488 A
1656(=)S
((*dp->dr_schedule)(m_ptr->PROC_NR,)1428 1740 A
(iop)))210 3210 A
3462(!=)S
(OK))126 3588 A
(break;)252 3756 A
5850 V
(09290)210 648 A
1110(})S
5940 V
(09291)210 648 A
6030 V
(09292)210 648 A
1110(if)S
1236((r)S
1362(==)S
(OK))126 1488 A
((void))252 1656 A
((*dp->dr_finish)();)798 1950 A
6120 V
(09293)210 648 A
6210 V
(09294)210 648 A
(phys_copy(iovec_phys,)882 1110 A
(user_iovec_phys,)672 2034 A
8418 V
EP
%%Page: 118 118
BP
/slant 0 def
/height 0 def
630 V
12 B
(118)180 648 A
11 R
2015(File:)S
2248(src/kernel/driver.c)S
10 R
3402(MINIX)S
3730(SOURCE)S
4153(CODE)S
900 V
7 LST
(09295)210 648 A
((phys_bytes))504 2202 A
(nr_requests)462 2748 A
3252(*)S
(sizeof)252 3336 A
(iovec[0]);)420 3630 A
990 V
(09296)210 648 A
(return(OK);)462 1110 A
1080 V
(09297)210 648 A
1026(})S
1260 V
(09299)210 648 A
(/*===========================================================================*)3276 1026 A
1350 V
(09300)210 648 A
1068(*)S
(no_name)294 2370 A
4260(*)S
1440 V
(09301)210 648 A
(*===========================================================================*/)3276 1068 A
1530 V
(09302)210 648 A
(PUBLIC)252 1026 A
(char)168 1320 A
(*no_name())420 1530 A
1620 V
(09303)210 648 A
1026({)S
1710 V
(09304)210 648 A
1026(/*)S
1152(If)S
1278(no)S
(specific)336 1404 A
(name)168 1782 A
(for)126 1992 A
(the)126 2160 A
(device.)294 2328 A
2664(*/)S
1800 V
(09305)210 648 A
1890 V
(09306)210 648 A
(return(tasktab[proc_number(proc_ptr))1512 1110 A
2664(+)S
(NR_TASKS].name);)672 2748 A
1980 V
(09307)210 648 A
1026(})S
2160 V
(09309)210 648 A
(/*============================================================================*)3318 1026 A
2250 V
(09310)210 648 A
1068(*)S
(do_nop)252 2370 A
4302(*)S
2340 V
(09311)210 648 A
(*============================================================================*/)3318 1068 A
2430 V
(09312)210 648 A
(PUBLIC)252 1026 A
(int)126 1320 A
(do_nop(dp,)420 1488 A
(m_ptr))252 1950 A
2520 V
(09313)210 648 A
(struct)252 1026 A
(driver)252 1320 A
(*dp;)168 1614 A
2610 V
(09314)210 648 A
(message)294 1026 A
(*m_ptr;)294 1362 A
2700 V
(09315)210 648 A
1026({)S
2790 V
(09316)210 648 A
1026(/*)S
(Nothing)294 1152 A
(there,)252 1488 A
1782(or)S
(nothing)294 1908 A
2244(to)S
(do.)126 2370 A
2538(*/)S
2880 V
(09317)210 648 A
2970 V