misc.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:21k
- /* $Id: misc.c,v 1.33 2001/09/18 22:29:06 davem Exp $
- * misc.c: Miscelaneous syscall emulation for Solaris
- *
- * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
- #include <linux/config.h>
- #include <linux/module.h>
- #include <linux/types.h>
- #include <linux/smp_lock.h>
- #include <linux/utsname.h>
- #include <linux/limits.h>
- #include <linux/mm.h>
- #include <linux/smp.h>
- #include <linux/mman.h>
- #include <linux/file.h>
- #include <linux/timex.h>
- #include <asm/uaccess.h>
- #include <asm/string.h>
- #include <asm/oplib.h>
- #include <asm/idprom.h>
- #include "conv.h"
- /* Conversion from Linux to Solaris errnos. 0-34 are identity mapped.
- Some Linux errnos (EPROCLIM, EDOTDOT, ERREMOTE, EUCLEAN, ENOTNAM,
- ENAVAIL, EISNAM, EREMOTEIO, ENOMEDIUM, EMEDIUMTYPE) have no Solaris
- equivalents. I return EINVAL in that case, which is very wrong. If
- someone suggest a better value for them, you're welcomed.
- On the other side, Solaris ECANCELED and ENOTSUP have no Linux equivalents,
- but that doesn't matter here. --jj */
- int solaris_err_table[] = {
- /* 0 */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
- /* 10 */ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- /* 20 */ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- /* 30 */ 30, 31, 32, 33, 34, 22, 150, 149, 95, 96,
- /* 40 */ 97, 98, 99, 120, 121, 122, 123, 124, 125, 126,
- /* 50 */ 127, 128, 129, 130, 131, 132, 133, 134, 143, 144,
- /* 60 */ 145, 146, 90, 78, 147, 148, 93, 22, 94, 49,
- /* 70 */ 151, 66, 60, 62, 63, 35, 77, 36, 45, 46,
- /* 80 */ 64, 22, 67, 68, 69, 70, 71, 74, 22, 82,
- /* 90 */ 89, 92, 79, 81, 37, 38, 39, 40, 41, 42,
- /* 100 */ 43, 44, 50, 51, 52, 53, 54, 55, 56, 57,
- /* 110 */ 87, 61, 84, 65, 83, 80, 91, 22, 22, 22,
- /* 120 */ 22, 22, 88, 86, 85, 22, 22,
- };
- #define SOLARIS_NR_OPEN 256
- static u32 do_solaris_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u64 off)
- {
- struct file *file = NULL;
- unsigned long retval, ret_type;
- /* Do we need it here? */
- set_personality(PER_SVR4);
- if (flags & MAP_NORESERVE) {
- static int cnt = 0;
-
- if (cnt < 5) {
- printk("%s: unimplemented Solaris MAP_NORESERVE mmap() flagn",
- current->comm);
- cnt++;
- }
- flags &= ~MAP_NORESERVE;
- }
- retval = -EBADF;
- if(!(flags & MAP_ANONYMOUS)) {
- if(fd >= SOLARIS_NR_OPEN)
- goto out;
- file = fget(fd);
- if (!file)
- goto out;
- else {
- struct inode * inode = file->f_dentry->d_inode;
- if(MAJOR(inode->i_rdev) == MEM_MAJOR &&
- MINOR(inode->i_rdev) == 5) {
- flags |= MAP_ANONYMOUS;
- fput(file);
- file = NULL;
- }
- }
- }
- retval = -EINVAL;
- len = PAGE_ALIGN(len);
- if(!(flags & MAP_FIXED))
- addr = 0;
- else if (len > 0xf0000000UL || addr > 0xf0000000UL - len)
- goto out_putf;
- ret_type = flags & _MAP_NEW;
- flags &= ~_MAP_NEW;
- down_write(¤t->mm->mmap_sem);
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- retval = do_mmap(file,
- (unsigned long) addr, (unsigned long) len,
- (unsigned long) prot, (unsigned long) flags, off);
- up_write(¤t->mm->mmap_sem);
- if(!ret_type)
- retval = ((retval < 0xf0000000) ? 0 : retval);
-
- out_putf:
- if (file)
- fput(file);
- out:
- return (u32) retval;
- }
- asmlinkage u32 solaris_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u32 off)
- {
- return do_solaris_mmap(addr, len, prot, flags, fd, (u64) off);
- }
- asmlinkage u32 solaris_mmap64(struct pt_regs *regs, u32 len, u32 prot, u32 flags, u32 fd, u32 offhi)
- {
- u32 offlo;
-
- if (regs->u_regs[UREG_G1]) {
- if (get_user (offlo, (u32 *)(long)((u32)regs->u_regs[UREG_I6] + 0x5c)))
- return -EFAULT;
- } else {
- if (get_user (offlo, (u32 *)(long)((u32)regs->u_regs[UREG_I6] + 0x60)))
- return -EFAULT;
- }
- return do_solaris_mmap((u32)regs->u_regs[UREG_I0], len, prot, flags, fd, (((u64)offhi)<<32)|offlo);
- }
- asmlinkage int solaris_brk(u32 brk)
- {
- int (*sunos_brk)(u32) = (int (*)(u32))SUNOS(17);
-
- return sunos_brk(brk);
- }
- #define set_utsfield(to, from, dotchop, countfrom) {
- char *p;
- int i, len = (countfrom) ?
- ((sizeof(to) > sizeof(from) ?
- sizeof(from) : sizeof(to))) : sizeof(to);
- if (copy_to_user(to, from, len))
- return -EFAULT;
- if (dotchop)
- for (p=from,i=0; *p && *p != '.' && --len; p++,i++);
- else
- i = len - 1;
- if (__put_user(' ', (char *)(to+i)))
- return -EFAULT;
- }
- struct sol_uname {
- char sysname[9];
- char nodename[9];
- char release[9];
- char version[9];
- char machine[9];
- };
- struct sol_utsname {
- char sysname[257];
- char nodename[257];
- char release[257];
- char version[257];
- char machine[257];
- };
- static char *machine(void)
- {
- switch (sparc_cpu_model) {
- case sun4: return "sun4";
- case sun4c: return "sun4c";
- case sun4e: return "sun4e";
- case sun4m: return "sun4m";
- case sun4d: return "sun4d";
- case sun4u: return "sun4u";
- default: return "sparc";
- }
- }
- static char *platform(char *buffer)
- {
- int len;
- *buffer = 0;
- len = prom_getproperty(prom_root_node, "name", buffer, 256);
- if(len > 0)
- buffer[len] = 0;
- if (*buffer) {
- char *p;
- for (p = buffer; *p; p++)
- if (*p == '/' || *p == ' ') *p = '_';
- return buffer;
- }
- return "sun4u";
- }
- static char *serial(char *buffer)
- {
- int node = prom_getchild(prom_root_node);
- int len;
- node = prom_searchsiblings(node, "options");
- *buffer = 0;
- len = prom_getproperty(node, "system-board-serial#", buffer, 256);
- if(len > 0)
- buffer[len] = 0;
- if (!*buffer)
- return "4512348717234";
- else
- return buffer;
- }
- asmlinkage int solaris_utssys(u32 buf, u32 flags, int which, u32 buf2)
- {
- switch (which) {
- case 0: /* old uname */
- /* Let's cheat */
- set_utsfield(((struct sol_uname *)A(buf))->sysname,
- "SunOS", 1, 0);
- down_read(&uts_sem);
- set_utsfield(((struct sol_uname *)A(buf))->nodename,
- system_utsname.nodename, 1, 1);
- up_read(&uts_sem);
- set_utsfield(((struct sol_uname *)A(buf))->release,
- "2.6", 0, 0);
- set_utsfield(((struct sol_uname *)A(buf))->version,
- "Generic", 0, 0);
- set_utsfield(((struct sol_uname *)A(buf))->machine,
- machine(), 0, 0);
- return 0;
- case 2: /* ustat */
- return -ENOSYS;
- case 3: /* fusers */
- return -ENOSYS;
- default:
- return -ENOSYS;
- }
- }
- asmlinkage int solaris_utsname(u32 buf)
- {
- /* Why should we not lie a bit? */
- down_read(&uts_sem);
- set_utsfield(((struct sol_utsname *)A(buf))->sysname,
- "SunOS", 0, 0);
- set_utsfield(((struct sol_utsname *)A(buf))->nodename,
- system_utsname.nodename, 1, 1);
- set_utsfield(((struct sol_utsname *)A(buf))->release,
- "5.6", 0, 0);
- set_utsfield(((struct sol_utsname *)A(buf))->version,
- "Generic", 0, 0);
- set_utsfield(((struct sol_utsname *)A(buf))->machine,
- machine(), 0, 0);
- up_read(&uts_sem);
- return 0;
- }
- #define SI_SYSNAME 1 /* return name of operating system */
- #define SI_HOSTNAME 2 /* return name of node */
- #define SI_RELEASE 3 /* return release of operating system */
- #define SI_VERSION 4 /* return version field of utsname */
- #define SI_MACHINE 5 /* return kind of machine */
- #define SI_ARCHITECTURE 6 /* return instruction set arch */
- #define SI_HW_SERIAL 7 /* return hardware serial number */
- #define SI_HW_PROVIDER 8 /* return hardware manufacturer */
- #define SI_SRPC_DOMAIN 9 /* return secure RPC domain */
- #define SI_PLATFORM 513 /* return platform identifier */
- asmlinkage int solaris_sysinfo(int cmd, u32 buf, s32 count)
- {
- char *p, *q, *r;
- char buffer[256];
- int len;
-
- /* Again, we cheat :)) */
- switch (cmd) {
- case SI_SYSNAME: r = "SunOS"; break;
- case SI_HOSTNAME:
- r = buffer + 256;
- down_read(&uts_sem);
- for (p = system_utsname.nodename, q = buffer;
- q < r && *p && *p != '.'; *q++ = *p++);
- up_read(&uts_sem);
- *q = 0;
- r = buffer;
- break;
- case SI_RELEASE: r = "5.6"; break;
- case SI_MACHINE: r = machine(); break;
- case SI_ARCHITECTURE: r = "sparc"; break;
- case SI_HW_PROVIDER: r = "Sun_Microsystems"; break;
- case SI_HW_SERIAL: r = serial(buffer); break;
- case SI_PLATFORM: r = platform(buffer); break;
- case SI_SRPC_DOMAIN: r = ""; break;
- case SI_VERSION: r = "Generic"; break;
- default: return -EINVAL;
- }
- len = strlen(r) + 1;
- if (count < len) {
- if (copy_to_user((char *)A(buf), r, count - 1) ||
- __put_user(0, (char *)A(buf) + count - 1))
- return -EFAULT;
- } else {
- if (copy_to_user((char *)A(buf), r, len))
- return -EFAULT;
- }
- return len;
- }
- #define SOLARIS_CONFIG_NGROUPS 2
- #define SOLARIS_CONFIG_CHILD_MAX 3
- #define SOLARIS_CONFIG_OPEN_FILES 4
- #define SOLARIS_CONFIG_POSIX_VER 5
- #define SOLARIS_CONFIG_PAGESIZE 6
- #define SOLARIS_CONFIG_CLK_TCK 7
- #define SOLARIS_CONFIG_XOPEN_VER 8
- #define SOLARIS_CONFIG_PROF_TCK 10
- #define SOLARIS_CONFIG_NPROC_CONF 11
- #define SOLARIS_CONFIG_NPROC_ONLN 12
- #define SOLARIS_CONFIG_AIO_LISTIO_MAX 13
- #define SOLARIS_CONFIG_AIO_MAX 14
- #define SOLARIS_CONFIG_AIO_PRIO_DELTA_MAX 15
- #define SOLARIS_CONFIG_DELAYTIMER_MAX 16
- #define SOLARIS_CONFIG_MQ_OPEN_MAX 17
- #define SOLARIS_CONFIG_MQ_PRIO_MAX 18
- #define SOLARIS_CONFIG_RTSIG_MAX 19
- #define SOLARIS_CONFIG_SEM_NSEMS_MAX 20
- #define SOLARIS_CONFIG_SEM_VALUE_MAX 21
- #define SOLARIS_CONFIG_SIGQUEUE_MAX 22
- #define SOLARIS_CONFIG_SIGRT_MIN 23
- #define SOLARIS_CONFIG_SIGRT_MAX 24
- #define SOLARIS_CONFIG_TIMER_MAX 25
- #define SOLARIS_CONFIG_PHYS_PAGES 26
- #define SOLARIS_CONFIG_AVPHYS_PAGES 27
- extern unsigned prom_cpu_nodes[NR_CPUS];
- asmlinkage int solaris_sysconf(int id)
- {
- switch (id) {
- case SOLARIS_CONFIG_NGROUPS: return NGROUPS_MAX;
- case SOLARIS_CONFIG_CHILD_MAX: return CHILD_MAX;
- case SOLARIS_CONFIG_OPEN_FILES: return OPEN_MAX;
- case SOLARIS_CONFIG_POSIX_VER: return 199309;
- case SOLARIS_CONFIG_PAGESIZE: return PAGE_SIZE;
- case SOLARIS_CONFIG_XOPEN_VER: return 3;
- case SOLARIS_CONFIG_CLK_TCK:
- case SOLARIS_CONFIG_PROF_TCK:
- return prom_getintdefault(prom_cpu_nodes[smp_processor_id()],
- "clock-frequency", 167000000);
- #ifdef CONFIG_SMP
- case SOLARIS_CONFIG_NPROC_CONF: return NR_CPUS;
- case SOLARIS_CONFIG_NPROC_ONLN: return smp_num_cpus;
- #else
- case SOLARIS_CONFIG_NPROC_CONF: return 1;
- case SOLARIS_CONFIG_NPROC_ONLN: return 1;
- #endif
- case SOLARIS_CONFIG_SIGRT_MIN: return 37;
- case SOLARIS_CONFIG_SIGRT_MAX: return 44;
- case SOLARIS_CONFIG_PHYS_PAGES:
- case SOLARIS_CONFIG_AVPHYS_PAGES:
- {
- struct sysinfo s;
-
- si_meminfo(&s);
- if (id == SOLARIS_CONFIG_PHYS_PAGES)
- return s.totalram >>= PAGE_SHIFT;
- else
- return s.freeram >>= PAGE_SHIFT;
- }
- /* XXX support these as well -jj */
- case SOLARIS_CONFIG_AIO_LISTIO_MAX: return -EINVAL;
- case SOLARIS_CONFIG_AIO_MAX: return -EINVAL;
- case SOLARIS_CONFIG_AIO_PRIO_DELTA_MAX: return -EINVAL;
- case SOLARIS_CONFIG_DELAYTIMER_MAX: return -EINVAL;
- case SOLARIS_CONFIG_MQ_OPEN_MAX: return -EINVAL;
- case SOLARIS_CONFIG_MQ_PRIO_MAX: return -EINVAL;
- case SOLARIS_CONFIG_RTSIG_MAX: return -EINVAL;
- case SOLARIS_CONFIG_SEM_NSEMS_MAX: return -EINVAL;
- case SOLARIS_CONFIG_SEM_VALUE_MAX: return -EINVAL;
- case SOLARIS_CONFIG_SIGQUEUE_MAX: return -EINVAL;
- case SOLARIS_CONFIG_TIMER_MAX: return -EINVAL;
- default: return -EINVAL;
- }
- }
- asmlinkage int solaris_procids(int cmd, s32 pid, s32 pgid)
- {
- int ret;
-
- switch (cmd) {
- case 0: /* getpgrp */
- return current->pgrp;
- case 1: /* setpgrp */
- {
- int (*sys_setpgid)(pid_t,pid_t) =
- (int (*)(pid_t,pid_t))SYS(setpgid);
-
- /* can anyone explain me the difference between
- Solaris setpgrp and setsid? */
- ret = sys_setpgid(0, 0);
- if (ret) return ret;
- current->tty = NULL;
- return current->pgrp;
- }
- case 2: /* getsid */
- {
- int (*sys_getsid)(pid_t) = (int (*)(pid_t))SYS(getsid);
- return sys_getsid(pid);
- }
- case 3: /* setsid */
- {
- int (*sys_setsid)(void) = (int (*)(void))SYS(setsid);
- return sys_setsid();
- }
- case 4: /* getpgid */
- {
- int (*sys_getpgid)(pid_t) = (int (*)(pid_t))SYS(getpgid);
- return sys_getpgid(pid);
- }
- case 5: /* setpgid */
- {
- int (*sys_setpgid)(pid_t,pid_t) =
- (int (*)(pid_t,pid_t))SYS(setpgid);
- return sys_setpgid(pid,pgid);
- }
- }
- return -EINVAL;
- }
- asmlinkage int solaris_gettimeofday(u32 tim)
- {
- int (*sys_gettimeofday)(struct timeval *, struct timezone *) =
- (int (*)(struct timeval *, struct timezone *))SYS(gettimeofday);
-
- return sys_gettimeofday((struct timeval *)(u64)tim, NULL);
- }
- #define RLIM_SOL_INFINITY32 0x7fffffff
- #define RLIM_SOL_SAVED_MAX32 0x7ffffffe
- #define RLIM_SOL_SAVED_CUR32 0x7ffffffd
- #define RLIM_SOL_INFINITY ((u64)-3)
- #define RLIM_SOL_SAVED_MAX ((u64)-2)
- #define RLIM_SOL_SAVED_CUR ((u64)-1)
- #define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x)
- #define RLIMIT_SOL_NOFILE 5
- #define RLIMIT_SOL_VMEM 6
- struct rlimit32 {
- u32 rlim_cur;
- u32 rlim_max;
- };
- asmlinkage int solaris_getrlimit(unsigned int resource, struct rlimit32 *rlim)
- {
- struct rlimit r;
- int ret;
- mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
- if (resource > RLIMIT_SOL_VMEM)
- return -EINVAL;
- switch (resource) {
- case RLIMIT_SOL_NOFILE: resource = RLIMIT_NOFILE; break;
- case RLIMIT_SOL_VMEM: resource = RLIMIT_AS; break;
- default: break;
- }
- set_fs (KERNEL_DS);
- ret = sys_getrlimit(resource, &r);
- set_fs (old_fs);
- if (!ret) {
- if (r.rlim_cur == RLIM_INFINITY)
- r.rlim_cur = RLIM_SOL_INFINITY32;
- else if ((u64)r.rlim_cur > RLIM_SOL_INFINITY32)
- r.rlim_cur = RLIM_SOL_SAVED_CUR32;
- if (r.rlim_max == RLIM_INFINITY)
- r.rlim_max = RLIM_SOL_INFINITY32;
- else if ((u64)r.rlim_max > RLIM_SOL_INFINITY32)
- r.rlim_max = RLIM_SOL_SAVED_MAX32;
- ret = put_user (r.rlim_cur, &rlim->rlim_cur);
- ret |= __put_user (r.rlim_max, &rlim->rlim_max);
- }
- return ret;
- }
- asmlinkage int solaris_setrlimit(unsigned int resource, struct rlimit32 *rlim)
- {
- struct rlimit r, rold;
- int ret;
- mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
- int (*sys_setrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(setrlimit);
- if (resource > RLIMIT_SOL_VMEM)
- return -EINVAL;
- switch (resource) {
- case RLIMIT_SOL_NOFILE: resource = RLIMIT_NOFILE; break;
- case RLIMIT_SOL_VMEM: resource = RLIMIT_AS; break;
- default: break;
- }
- if (get_user (r.rlim_cur, &rlim->rlim_cur) ||
- __get_user (r.rlim_max, &rlim->rlim_max))
- return -EFAULT;
- set_fs (KERNEL_DS);
- ret = sys_getrlimit(resource, &rold);
- if (!ret) {
- if (r.rlim_cur == RLIM_SOL_INFINITY32)
- r.rlim_cur = RLIM_INFINITY;
- else if (r.rlim_cur == RLIM_SOL_SAVED_CUR32)
- r.rlim_cur = rold.rlim_cur;
- else if (r.rlim_cur == RLIM_SOL_SAVED_MAX32)
- r.rlim_cur = rold.rlim_max;
- if (r.rlim_max == RLIM_SOL_INFINITY32)
- r.rlim_max = RLIM_INFINITY;
- else if (r.rlim_max == RLIM_SOL_SAVED_CUR32)
- r.rlim_max = rold.rlim_cur;
- else if (r.rlim_max == RLIM_SOL_SAVED_MAX32)
- r.rlim_max = rold.rlim_max;
- ret = sys_setrlimit(resource, &r);
- }
- set_fs (old_fs);
- return ret;
- }
- asmlinkage int solaris_getrlimit64(unsigned int resource, struct rlimit *rlim)
- {
- struct rlimit r;
- int ret;
- mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
- if (resource > RLIMIT_SOL_VMEM)
- return -EINVAL;
- switch (resource) {
- case RLIMIT_SOL_NOFILE: resource = RLIMIT_NOFILE; break;
- case RLIMIT_SOL_VMEM: resource = RLIMIT_AS; break;
- default: break;
- }
- set_fs (KERNEL_DS);
- ret = sys_getrlimit(resource, &r);
- set_fs (old_fs);
- if (!ret) {
- if (r.rlim_cur == RLIM_INFINITY)
- r.rlim_cur = RLIM_SOL_INFINITY;
- if (r.rlim_max == RLIM_INFINITY)
- r.rlim_max = RLIM_SOL_INFINITY;
- ret = put_user (r.rlim_cur, &rlim->rlim_cur);
- ret |= __put_user (r.rlim_max, &rlim->rlim_max);
- }
- return ret;
- }
- asmlinkage int solaris_setrlimit64(unsigned int resource, struct rlimit *rlim)
- {
- struct rlimit r, rold;
- int ret;
- mm_segment_t old_fs = get_fs ();
- int (*sys_getrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(getrlimit);
- int (*sys_setrlimit)(unsigned int, struct rlimit *) =
- (int (*)(unsigned int, struct rlimit *))SYS(setrlimit);
- if (resource > RLIMIT_SOL_VMEM)
- return -EINVAL;
- switch (resource) {
- case RLIMIT_SOL_NOFILE: resource = RLIMIT_NOFILE; break;
- case RLIMIT_SOL_VMEM: resource = RLIMIT_AS; break;
- default: break;
- }
- if (get_user (r.rlim_cur, &rlim->rlim_cur) ||
- __get_user (r.rlim_max, &rlim->rlim_max))
- return -EFAULT;
- set_fs (KERNEL_DS);
- ret = sys_getrlimit(resource, &rold);
- if (!ret) {
- if (r.rlim_cur == RLIM_SOL_INFINITY)
- r.rlim_cur = RLIM_INFINITY;
- else if (r.rlim_cur == RLIM_SOL_SAVED_CUR)
- r.rlim_cur = rold.rlim_cur;
- else if (r.rlim_cur == RLIM_SOL_SAVED_MAX)
- r.rlim_cur = rold.rlim_max;
- if (r.rlim_max == RLIM_SOL_INFINITY)
- r.rlim_max = RLIM_INFINITY;
- else if (r.rlim_max == RLIM_SOL_SAVED_CUR)
- r.rlim_max = rold.rlim_cur;
- else if (r.rlim_max == RLIM_SOL_SAVED_MAX)
- r.rlim_max = rold.rlim_max;
- ret = sys_setrlimit(resource, &r);
- }
- set_fs (old_fs);
- return ret;
- }
- struct timeval32 {
- int tv_sec, tv_usec;
- };
- struct sol_ntptimeval {
- struct timeval32 time;
- s32 maxerror;
- s32 esterror;
- };
- struct sol_timex {
- u32 modes;
- s32 offset;
- s32 freq;
- s32 maxerror;
- s32 esterror;
- s32 status;
- s32 constant;
- s32 precision;
- s32 tolerance;
- s32 ppsfreq;
- s32 jitter;
- s32 shift;
- s32 stabil;
- s32 jitcnt;
- s32 calcnt;
- s32 errcnt;
- s32 stbcnt;
- };
- asmlinkage int solaris_ntp_gettime(struct sol_ntptimeval *ntp)
- {
- int (*sys_adjtimex)(struct timex *) =
- (int (*)(struct timex *))SYS(adjtimex);
- struct timex t;
- int ret;
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
- t.modes = 0;
- ret = sys_adjtimex(&t);
- set_fs(old_fs);
- if (ret < 0)
- return ret;
- ret = put_user (t.time.tv_sec, &ntp->time.tv_sec);
- ret |= __put_user (t.time.tv_usec, &ntp->time.tv_usec);
- ret |= __put_user (t.maxerror, &ntp->maxerror);
- ret |= __put_user (t.esterror, &ntp->esterror);
- return ret;
- }
- asmlinkage int solaris_ntp_adjtime(struct sol_timex *txp)
- {
- int (*sys_adjtimex)(struct timex *) =
- (int (*)(struct timex *))SYS(adjtimex);
- struct timex t;
- int ret, err;
- mm_segment_t old_fs = get_fs();
- ret = get_user (t.modes, &txp->modes);
- ret |= __get_user (t.offset, &txp->offset);
- ret |= __get_user (t.freq, &txp->freq);
- ret |= __get_user (t.maxerror, &txp->maxerror);
- ret |= __get_user (t.esterror, &txp->esterror);
- ret |= __get_user (t.status, &txp->status);
- ret |= __get_user (t.constant, &txp->constant);
- set_fs(KERNEL_DS);
- ret = sys_adjtimex(&t);
- set_fs(old_fs);
- if (ret < 0)
- return ret;
- err = put_user (t.offset, &txp->offset);
- err |= __put_user (t.freq, &txp->freq);
- err |= __put_user (t.maxerror, &txp->maxerror);
- err |= __put_user (t.esterror, &txp->esterror);
- err |= __put_user (t.status, &txp->status);
- err |= __put_user (t.constant, &txp->constant);
- err |= __put_user (t.precision, &txp->precision);
- err |= __put_user (t.tolerance, &txp->tolerance);
- err |= __put_user (t.ppsfreq, &txp->ppsfreq);
- err |= __put_user (t.jitter, &txp->jitter);
- err |= __put_user (t.shift, &txp->shift);
- err |= __put_user (t.stabil, &txp->stabil);
- err |= __put_user (t.jitcnt, &txp->jitcnt);
- err |= __put_user (t.calcnt, &txp->calcnt);
- err |= __put_user (t.errcnt, &txp->errcnt);
- err |= __put_user (t.stbcnt, &txp->stbcnt);
- if (err)
- return -EFAULT;
- return ret;
- }
- asmlinkage int do_sol_unimplemented(struct pt_regs *regs)
- {
- printk ("Unimplemented Solaris syscall %d %08x %08x %08x %08xn",
- (int)regs->u_regs[UREG_G1],
- (int)regs->u_regs[UREG_I0],
- (int)regs->u_regs[UREG_I1],
- (int)regs->u_regs[UREG_I2],
- (int)regs->u_regs[UREG_I3]);
- return -ENOSYS;
- }
- asmlinkage void solaris_register(void)
- {
- set_personality(PER_SVR4);
- }
- extern long solaris_to_linux_signals[], linux_to_solaris_signals[];
- struct exec_domain solaris_exec_domain = {
- name: "Solaris",
- handler: NULL,
- pers_low: 1, /* PER_SVR4 personality */
- pers_high: 1,
- signal_map: solaris_to_linux_signals,
- signal_invmap: linux_to_solaris_signals,
- module: THIS_MODULE,
- next: NULL
- };
- extern int init_socksys(void);
- #ifdef MODULE
- MODULE_AUTHOR("Jakub Jelinek (jj@ultra.linux.cz), Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)");
- MODULE_DESCRIPTION("Solaris binary emulation module");
- EXPORT_NO_SYMBOLS;
- #ifdef __sparc_v9__
- extern u32 tl0_solaris[8];
- #define update_ttable(x)
- tl0_solaris[3] = (((long)(x) - (long)tl0_solaris - 3) >> 2) | 0x40000000;
- __asm__ __volatile__ ("membar #StoreStore; flush %0" : : "r" (&tl0_solaris[3]))
- #else
- #endif
- extern u32 solaris_sparc_syscall[];
- extern u32 solaris_syscall[];
- extern void cleanup_socksys(void);
- int init_module(void)
- {
- int ret;
- SOLDD(("Solaris module at %pn", solaris_sparc_syscall));
- register_exec_domain(&solaris_exec_domain);
- if ((ret = init_socksys())) {
- unregister_exec_domain(&solaris_exec_domain);
- return ret;
- }
- update_ttable(solaris_sparc_syscall);
- return 0;
- }
- void cleanup_module(void)
- {
- update_ttable(solaris_syscall);
- cleanup_socksys();
- unregister_exec_domain(&solaris_exec_domain);
- }
- #else
- int init_solaris_emul(void)
- {
- register_exec_domain(&solaris_exec_domain);
- init_socksys();
- return 0;
- }
- #endif