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kldir.h
资源名称：linux-2.4.20.tar.gz　[点击查看]
上传用户：jlfgdled
上传日期：2013-04-10
资源大小：33168k
文件大小：18k
源码类别：

Linux/Unix编程

开发平台：

Unix_Linux

kldir.h：源码内容
  1. /*
  2.  * This file is subject to the terms and conditions of the GNU General Public
  3.  * License.  See the file "COPYING" in the main directory of this archive
  4.  * for more details.
  5.  *
  6.  * Derived from IRIX <sys/SN/kldir.h>, revision 1.21.
  7.  *
  8.  * Copyright (C) 1992-1997,1999,2001-2002 Silicon Graphics, Inc.  All Rights Reserved.
  9.  * Copyright (C) 1999 by Ralf Baechle
  10.  */
  11. #ifndef _ASM_IA64_SN_KLDIR_H
  12. #define _ASM_IA64_SN_KLDIR_H
  14. #include <asm/sn/sgi.h>
  16. /*
  17.  * The kldir memory area resides at a fixed place in each node's memory and
  18.  * provides pointers to most other IP27 memory areas.  This allows us to
  19.  * resize and/or relocate memory areas at a later time without breaking all
  20.  * firmware and kernels that use them.  Indices in the array are
  21.  * permanently dedicated to areas listed below.  Some memory areas (marked
  22.  * below) reside at a permanently fixed location, but are included in the
  23.  * directory for completeness.
  24.  */
  26. #define KLDIR_MAGIC 0x434d5f53505f5357
  28. /*
  29.  * The upper portion of the memory map applies during boot
  30.  * only and is overwritten by IRIX/SYMMON.
  31.  *
  32.  *                                    MEMORY MAP PER NODE
  33.  *
  34.  * 0x2000000 (32M)         +-----------------------------------------+
  35.  *                         |      IO6 BUFFERS FOR FLASH ENET IOC3    |
  36.  * 0x1F80000 (31.5M)       +-----------------------------------------+
  37.  *                         |      IO6 TEXT/DATA/BSS/stack            |
  38.  * 0x1C00000 (30M)         +-----------------------------------------+
  39.  *                         |      IO6 PROM DEBUG TEXT/DATA/BSS/stack |
  40.  * 0x0800000 (28M)         +-----------------------------------------+
  41.  *                         |      IP27 PROM TEXT/DATA/BSS/stack      |
  42.  * 0x1B00000 (27M)         +-----------------------------------------+
  43.  *                         |      IP27 CFG                           |
  44.  * 0x1A00000 (26M)         +-----------------------------------------+
  45.  *                         |      Graphics PROM                      |
  46.  * 0x1800000 (24M)         +-----------------------------------------+
  47.  *                         |      3rd Party PROM drivers             |
  48.  * 0x1600000 (22M)         +-----------------------------------------+
  49.  *                         |                                         |
  50.  *                         |      Free                               |
  51.  *                         |                                         |
  52.  *                         +-----------------------------------------+
  53.  *                         |      UNIX DEBUG Version                 |
  54.  * 0x190000 (2M--)         +-----------------------------------------+
  55.  *                         |      SYMMON                             |
  56.  *                         |      (For UNIX Debug only)              |
  57.  * 0x34000 (208K)          +-----------------------------------------+
  58.  *                         |      SYMMON STACK [NUM_CPU_PER_NODE]    |
  59.  *                         |      (For UNIX Debug only)              |
  60.  * 0x25000 (148K)          +-----------------------------------------+
  61.  *                         |      KLCONFIG - II (temp)               |
  62.  *                         |                                         |
  63.  *                         |    ----------------------------         |
  64.  *                         |                                         |
  65.  *                         |      UNIX NON-DEBUG Version             |
  66.  * 0x19000 (100K)          +-----------------------------------------+
  67.  *
  68.  *
  69.  * The lower portion of the memory map contains information that is
  70.  * permanent and is used by the IP27PROM, IO6PROM and IRIX.
  71.  *
  72.  * 0x19000 (100K)          +-----------------------------------------+
  73.  *                         |                                         |
  74.  *                         |      PI Error Spools (32K)              |
  75.  *                         |                                         |
  76.  * 0x12000 (72K)           +-----------------------------------------+
  77.  *                         |      Unused                             |
  78.  * 0x11c00 (71K)           +-----------------------------------------+
  79.  *                         |      CPU 1 NMI Eframe area             |
  80.  * 0x11a00 (70.5K)         +-----------------------------------------+
  81.  *                         |      CPU 0 NMI Eframe area             |
  82.  * 0x11800 (70K)           +-----------------------------------------+
  83.  *                         |      CPU 1 NMI Register save area       |
  84.  * 0x11600 (69.5K)         +-----------------------------------------+
  85.  *                         |      CPU 0 NMI Register save area       |
  86.  * 0x11400 (69K)           +-----------------------------------------+
  87.  *                         |      GDA (1k)                           |
  88.  * 0x11000 (68K)           +-----------------------------------------+
  89.  *                         |      Early cache Exception stack        |
  90.  *                         |             and/or                      |
  91.  *    |      kernel/io6prom nmi registers      |
  92.  * 0x10800  (66k)    +-----------------------------------------+
  93.  *    |      cache error eframe           |
  94.  * 0x10400 (65K)           +-----------------------------------------+
  95.  *                         |      Exception Handlers (UALIAS copy)   |
  96.  * 0x10000 (64K)           +-----------------------------------------+
  97.  *                         |                                         |
  98.  *                         |                                         |
  99.  *                         |      KLCONFIG - I (permanent) (48K)     |
  100.  *                         |                                         |
  101.  *                         |                                         |
  102.  *                         |                                         |
  103.  * 0x4000 (16K)            +-----------------------------------------+
  104.  *                         |      NMI Handler (Protected Page)       |
  105.  * 0x3000 (12K)            +-----------------------------------------+
  106.  *                         |      ARCS PVECTORS (master node only)   |
  107.  * 0x2c00 (11K)            +-----------------------------------------+
  108.  *                         |      ARCS TVECTORS (master node only)   |
  109.  * 0x2800 (10K)            +-----------------------------------------+
  110.  *                         |      LAUNCH [NUM_CPU]                   |
  111.  * 0x2400 (9K)             +-----------------------------------------+
  112.  *                         |      Low memory directory (KLDIR)       |
  113.  * 0x2000 (8K)             +-----------------------------------------+
  114.  *                         |      ARCS SPB (1K)                      |
  115.  * 0x1000 (4K)             +-----------------------------------------+
  116.  *                         |      Early cache Exception stack        |
  117.  *                         |             and/or                      |
  118.  *    |      kernel/io6prom nmi registers      |
  119.  * 0x800  (2k)            +-----------------------------------------+
  120.  *    |      cache error eframe           |
  121.  * 0x400 (1K)              +-----------------------------------------+
  122.  *                         |      Exception Handlers                 |
  123.  * 0x0   (0K)              +-----------------------------------------+
  124.  */
  126. #ifdef __ASSEMBLY__
  127. #define KLDIR_OFF_MAGIC 0x00
  128. #define KLDIR_OFF_OFFSET 0x08
  129. #define KLDIR_OFF_POINTER 0x10
  130. #define KLDIR_OFF_SIZE 0x18
  131. #define KLDIR_OFF_COUNT 0x20
  132. #define KLDIR_OFF_STRIDE 0x28
  133. #endif /* __ASSEMBLY__ */
  135. #ifndef __ASSEMBLY__
  136. typedef struct kldir_ent_s {
  137. u64 magic; /* Indicates validity of entry      */
  138. off_t offset; /* Offset from start of node space  */
  139. __psunsigned_t pointer; /* Pointer to area in some cases    */
  140. size_t size; /* Size in bytes      */
  141. u64 count; /* Repeat count if array, 1 if not  */
  142. size_t stride; /* Stride if array, 0 if not        */
  143. char rsvd[16]; /* Pad entry to 0x40 bytes          */
  144. /* NOTE: These 16 bytes are used in the Partition KLDIR
  145.    entry to store partition info. Refer to klpart.h for this. */
  146. } kldir_ent_t;
  147. #endif /* __ASSEMBLY__ */
  150. #define KLDIR_ENT_SIZE 0x40
  151. #define KLDIR_MAX_ENTRIES (0x400 / 0x40)
  155. /*
  156.  * The upper portion of the memory map applies during boot
  157.  * only and is overwritten by IRIX/SYMMON.  The minimum memory bank
  158.  * size on IP35 is 64M, which provides a limit on the amount of space
  159.  * the PROM can assume it has available.
  160.  *
  161.  * Most of the addresses below are defined as macros in this file, or
  162.  * in SN/addrs.h or SN/SN1/addrs.h.
  163.  *
  164.  *                                    MEMORY MAP PER NODE
  165.  *
  166.  * 0x4000000 (64M)         +-----------------------------------------+
  167.  *                         |                                         |
  168.  *                         |                                         |
  169.  *                         |      IO7 TEXT/DATA/BSS/stack            |
  170.  * 0x3000000 (48M)         +-----------------------------------------+
  171.  *                         |      Free                               |
  172.  * 0x2102000 (>33M)        +-----------------------------------------+
  173.  *                         |      IP35 Topology (PCFG) + misc data   |
  174.  * 0x2000000 (32M)         +-----------------------------------------+
  175.  *                         |      IO7 BUFFERS FOR FLASH ENET IOC3    |
  176.  * 0x1F80000 (31.5M)       +-----------------------------------------+
  177.  *                         |      Free                               |
  178.  * 0x1C00000 (28M)         +-----------------------------------------+
  179.  *                         |      IP35 PROM TEXT/DATA/BSS/stack      |
  180.  * 0x1A00000 (26M)         +-----------------------------------------+
  181.  *                         |      Routing temp. space                |
  182.  * 0x1800000 (24M)         +-----------------------------------------+
  183.  *                         |      Diagnostics temp. space            |
  184.  * 0x1500000 (21M)         +-----------------------------------------+
  185.  *                         |      Free                               |
  186.  * 0x1400000 (20M)         +-----------------------------------------+
  187.  *                         |      IO7 PROM temporary copy            |
  188.  * 0x1300000 (19M)         +-----------------------------------------+
  189.  *                         |                                         |
  190.  *                         |      Free                               |
  191.  *                         |      (UNIX DATA starts above 0x1000000) |
  192.  *                         |                                         |
  193.  *                         +-----------------------------------------+
  194.  *                         |      UNIX DEBUG Version                 |
  195.  * 0x0310000 (3.1M)        +-----------------------------------------+
  196.  *                         |      SYMMON, loaded just below UNIX     |
  197.  *                         |      (For UNIX Debug only)              |
  198.  *                         |                                         |
  199.  *                         |                                         |
  200.  * 0x006C000 (432K)        +-----------------------------------------+
  201.  *                         |      SYMMON STACK [NUM_CPU_PER_NODE]    |
  202.  *                         |      (For UNIX Debug only)              |
  203.  * 0x004C000 (304K)        +-----------------------------------------+
  204.  *                         |                                         |
  205.  *                         |                                         |
  206.  *                         |      UNIX NON-DEBUG Version             |
  207.  * 0x0040000 (256K)        +-----------------------------------------+
  208.  *
  209.  *
  210.  * The lower portion of the memory map contains information that is
  211.  * permanent and is used by the IP35PROM, IO7PROM and IRIX.
  212.  *
  213.  * 0x40000 (256K)          +-----------------------------------------+
  214.  *                         |                                         |
  215.  *                         |      KLCONFIG (64K)                     |
  216.  *                         |                                         |
  217.  * 0x30000 (192K)          +-----------------------------------------+
  218.  *                         |                                         |
  219.  *                         |      PI Error Spools (64K)              |
  220.  *                         |                                         |
  221.  * 0x20000 (128K)          +-----------------------------------------+
  222.  *                         |                                         |
  223.  *                         |      Unused                             |
  224.  *                         |                                         |
  225.  * 0x19000 (100K)          +-----------------------------------------+
  226.  *                         |      Early cache Exception stack (CPU 3)|
  227.  * 0x18800 (98K)           +-----------------------------------------+
  228.  *    |      cache error eframe (CPU 3)      |
  229.  * 0x18400 (97K)           +-----------------------------------------+
  230.  *                         |      Exception Handlers (CPU 3)         |
  231.  * 0x18000 (96K)           +-----------------------------------------+
  232.  *                         |                                         |
  233.  *                         |      Unused                             |
  234.  *                         |                                         |
  235.  * 0x13c00 (79K)           +-----------------------------------------+
  236.  *                         |      GPDA (8k)                          |
  237.  * 0x11c00 (71K)           +-----------------------------------------+
  238.  *                         |      Early cache Exception stack (CPU 2)|
  239.  * 0x10800 (66k)    +-----------------------------------------+
  240.  *    |      cache error eframe (CPU 2)      |
  241.  * 0x10400 (65K)           +-----------------------------------------+
  242.  *                         |      Exception Handlers (CPU 2)         |
  243.  * 0x10000 (64K)           +-----------------------------------------+
  244.  *                         |                                         |
  245.  *                         |      Unused                             |
  246.  *                         |                                         |
  247.  * 0x0b400 (45K)           +-----------------------------------------+
  248.  *                         |      GDA (1k)                           |
  249.  * 0x0b000 (44K)           +-----------------------------------------+
  250.  *                         |      NMI Eframe areas (4)             |
  251.  * 0x0a000 (40K)           +-----------------------------------------+
  252.  *                         |      NMI Register save areas (4)        |
  253.  * 0x09000 (36K)           +-----------------------------------------+
  254.  *                         |      Early cache Exception stack (CPU 1)|
  255.  * 0x08800 (34K)           +-----------------------------------------+
  256.  *    |      cache error eframe (CPU 1)      |
  257.  * 0x08400 (33K)           +-----------------------------------------+
  258.  *                         |      Exception Handlers (CPU 1)         |
  259.  * 0x08000 (32K)           +-----------------------------------------+
  260.  *                         |                                         |
  261.  *                         |                                         |
  262.  *                         |      Unused                             |
  263.  *                         |                                         |
  264.  *                         |                                         |
  265.  * 0x04000 (16K)           +-----------------------------------------+
  266.  *                         |      NMI Handler (Protected Page)       |
  267.  * 0x03000 (12K)           +-----------------------------------------+
  268.  *                         |      ARCS PVECTORS (master node only)   |
  269.  * 0x02c00 (11K)           +-----------------------------------------+
  270.  *                         |      ARCS TVECTORS (master node only)   |
  271.  * 0x02800 (10K)           +-----------------------------------------+
  272.  *                         |      LAUNCH [NUM_CPU]                   |
  273.  * 0x02400 (9K)            +-----------------------------------------+
  274.  *                         |      Low memory directory (KLDIR)       |
  275.  * 0x02000 (8K)            +-----------------------------------------+
  276.  *                         |      ARCS SPB (1K)                      |
  277.  * 0x01000 (4K)            +-----------------------------------------+
  278.  *                         |      Early cache Exception stack (CPU 0)|
  279.  * 0x00800 (2k)            +-----------------------------------------+
  280.  *    |      cache error eframe (CPU 0)      |
  281.  * 0x00400 (1K)            +-----------------------------------------+
  282.  *                         |      Exception Handlers (CPU 0)         |
  283.  * 0x00000 (0K)            +-----------------------------------------+
  284.  */
  286. /*
  287.  * NOTE:  To change the kernel load address, you must update:
  288.  *  - the appropriate elspec files in irix/kern/master.d
  289.  *  - NODEBUGUNIX_ADDR in SN/SN1/addrs.h
  290.  *  - IP27_FREEMEM_OFFSET below
  291.  *  - KERNEL_START_OFFSET below (if supporting cells)
  292.  */
  295. /*
  296.  * This is defined here because IP27_SYMMON_STK_SIZE must be at least what
  297.  * we define here.  Since it's set up in the prom.  We can't redefine it later
  298.  * and expect more space to be allocated.  The way to find out the true size
  299.  * of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE
  300.  * for a particular node.
  301.  */
  302. #define SYMMON_STACK_SIZE 0x8000
  304. #if defined (PROM) || defined (SABLE)
  306. /*
  307.  * These defines are prom version dependent.  No code other than the IP35
  308.  * prom should attempt to use these values.
  309.  */
  310. #define IP27_LAUNCH_OFFSET 0x2400
  311. #define IP27_LAUNCH_SIZE 0x400
  312. #define IP27_LAUNCH_COUNT 4
  313. #define IP27_LAUNCH_STRIDE 0x100 /* could be as small as 0x80 */
  315. #define IP27_KLCONFIG_OFFSET 0x30000
  316. #define IP27_KLCONFIG_SIZE 0x10000
  317. #define IP27_KLCONFIG_COUNT 1
  318. #define IP27_KLCONFIG_STRIDE 0
  320. #define IP27_NMI_OFFSET 0x3000
  321. #define IP27_NMI_SIZE 0x100
  322. #define IP27_NMI_COUNT 4
  323. #define IP27_NMI_STRIDE 0x40
  325. #define IP27_PI_ERROR_OFFSET 0x20000
  326. #define IP27_PI_ERROR_SIZE 0x10000
  327. #define IP27_PI_ERROR_COUNT 1
  328. #define IP27_PI_ERROR_STRIDE 0
  330. #define IP27_SYMMON_STK_OFFSET 0x4c000
  331. #define IP27_SYMMON_STK_SIZE 0x20000
  332. #define IP27_SYMMON_STK_COUNT 4
  333. /* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */
  334. #define IP27_SYMMON_STK_STRIDE 0x8000
  336. #define IP27_FREEMEM_OFFSET 0x40000
  337. #define IP27_FREEMEM_SIZE (-1)
  338. #define IP27_FREEMEM_COUNT 1
  339. #define IP27_FREEMEM_STRIDE 0
  341. #endif /* PROM || SABLE*/
  342. /*
  343.  * There will be only one of these in a partition so the IO7 must set it up.
  344.  */
  345. #define IO6_GDA_OFFSET 0xb000
  346. #define IO6_GDA_SIZE 0x400
  347. #define IO6_GDA_COUNT 1
  348. #define IO6_GDA_STRIDE 0
  350. /*
  351.  * save area of kernel nmi regs in the prom format
  352.  */
  353. #define IP27_NMI_KREGS_OFFSET 0x9000
  354. #define IP27_NMI_KREGS_CPU_SIZE 0x400
  355. /*
  356.  * save area of kernel nmi regs in eframe format 
  357.  */
  358. #define IP27_NMI_EFRAME_OFFSET 0xa000
  359. #define IP27_NMI_EFRAME_SIZE 0x400
  361. #define GPDA_OFFSET 0x11c00
  363. #endif /* _ASM_IA64_SN_KLDIR_H */