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-rw-r--r--arch/sparc64/solaris/misc.c784
1 files changed, 784 insertions, 0 deletions
diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c
new file mode 100644
index 000000000000..15b4cfe07557
--- /dev/null
+++ b/arch/sparc64/solaris/misc.c
@@ -0,0 +1,784 @@
+/* $Id: misc.c,v 1.36 2002/02/09 19:49:31 davem Exp $
+ * misc.c: Miscellaneous 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 <linux/major.h>
+#include <linux/compat.h>
+
+#include <asm/uaccess.h>
+#include <asm/string.h>
+#include <asm/oplib.h>
+#include <asm/idprom.h>
+#include <asm/smp.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;
+
+ if (cnt < 5) {
+ printk("%s: unimplemented Solaris MAP_NORESERVE mmap() flag\n",
+ 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(imajor(inode) == MEM_MAJOR &&
+ iminor(inode) == 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(&current->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(&current->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 __user *)(long)((u32)regs->u_regs[UREG_I6] + 0x5c)))
+ return -EFAULT;
+ } else {
+ if (get_user (offlo, (u32 __user *)(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);
+}
+
+static int __set_utsfield(char __user *to, int to_size,
+ const char *from, int from_size,
+ int dotchop, int countfrom)
+{
+ int len = countfrom ? (to_size > from_size ?
+ from_size : to_size) : to_size;
+ int off;
+
+ if (copy_to_user(to, from, len))
+ return -EFAULT;
+
+ off = len < to_size? len: len - 1;
+ if (dotchop) {
+ const char *p = strnchr(from, len, '.');
+ if (p) off = p - from;
+ }
+
+ if (__put_user('\0', to + off))
+ return -EFAULT;
+
+ return 0;
+}
+
+#define set_utsfield(to, from, dotchop, countfrom) \
+ __set_utsfield((to), sizeof(to), \
+ (from), sizeof(from), \
+ (dotchop), (countfrom))
+
+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)
+{
+ struct sol_uname __user *v = A(buf);
+ int err;
+
+ switch (which) {
+ case 0: /* old uname */
+ /* Let's cheat */
+ err = set_utsfield(v->sysname, "SunOS", 1, 0);
+ down_read(&uts_sem);
+ err |= set_utsfield(v->nodename, system_utsname.nodename,
+ 1, 1);
+ up_read(&uts_sem);
+ err |= set_utsfield(v->release, "2.6", 0, 0);
+ err |= set_utsfield(v->version, "Generic", 0, 0);
+ err |= set_utsfield(v->machine, machine(), 0, 0);
+ return (err ? -EFAULT : 0);
+ case 2: /* ustat */
+ return -ENOSYS;
+ case 3: /* fusers */
+ return -ENOSYS;
+ default:
+ return -ENOSYS;
+ }
+}
+
+asmlinkage int solaris_utsname(u32 buf)
+{
+ struct sol_utsname __user *v = A(buf);
+ int err;
+
+ /* Why should we not lie a bit? */
+ down_read(&uts_sem);
+ err = set_utsfield(v->sysname, "SunOS", 0, 0);
+ err |= set_utsfield(v->nodename, system_utsname.nodename, 1, 1);
+ err |= set_utsfield(v->release, "5.6", 0, 0);
+ err |= set_utsfield(v->version, "Generic", 0, 0);
+ err |= set_utsfield(v->machine, machine(), 0, 0);
+ up_read(&uts_sem);
+
+ return (err ? -EFAULT : 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(A(buf), r, count - 1) ||
+ __put_user(0, (char __user *)A(buf) + count - 1))
+ return -EFAULT;
+ } else {
+ if (copy_to_user(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
+
+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 sparc64_get_clock_tick(smp_processor_id());
+#ifdef CONFIG_SMP
+ case SOLARIS_CONFIG_NPROC_CONF: return NR_CPUS;
+ case SOLARIS_CONFIG_NPROC_ONLN: return num_online_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 process_group(current);
+ 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->signal->tty = NULL;
+ return process_group(current);
+ }
+ 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 __user *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 __user *rlim)
+{
+ struct rlimit r, rold;
+ int ret;
+ mm_segment_t old_fs = get_fs ();
+ int (*sys_getrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(getrlimit);
+ int (*sys_setrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))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 __user *rlim)
+{
+ struct rlimit r;
+ int ret;
+ mm_segment_t old_fs = get_fs ();
+ int (*sys_getrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))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 __user *rlim)
+{
+ struct rlimit r, rold;
+ int ret;
+ mm_segment_t old_fs = get_fs ();
+ int (*sys_getrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))SYS(getrlimit);
+ int (*sys_setrlimit)(unsigned int, struct rlimit __user *) =
+ (int (*)(unsigned int, struct rlimit __user *))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 sol_ntptimeval {
+ struct compat_timeval 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 __user *ntp)
+{
+ int (*sys_adjtimex)(struct timex __user *) =
+ (int (*)(struct timex __user *))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 __user *txp)
+{
+ int (*sys_adjtimex)(struct timex __user *) =
+ (int (*)(struct timex __user *))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 %08x\n",
+ (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");
+MODULE_LICENSE("GPL");
+
+#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);
+
+extern u32 entry64_personality_patch;
+
+int init_module(void)
+{
+ int ret;
+
+ SOLDD(("Solaris module at %p\n", 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);
+ entry64_personality_patch |=
+ (offsetof(struct task_struct, personality) +
+ (sizeof(unsigned long) - 1));
+ __asm__ __volatile__("membar #StoreStore; flush %0"
+ : : "r" (&entry64_personality_patch));
+ 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
+