Preliminary patch for Alpha Linux user mode emulation support.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2600 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 33778aa..9dc0b09 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1765,6 +1765,16 @@
newsp = env->gregs[15];
new_env->gregs[15] = newsp;
/* XXXXX */
+#elif defined(TARGET_ALPHA)
+ if (!newsp)
+ newsp = env->ir[30];
+ new_env->ir[30] = newsp;
+ /* ? */
+ {
+ int i;
+ for (i = 7; i < 30; i++)
+ new_env->ir[i] = 0;
+ }
#else
#error unsupported target CPU
#endif
@@ -2067,11 +2077,13 @@
}
break;
#endif
+#ifdef TARGET_NR_creat /* not on alpha */
case TARGET_NR_creat:
p = lock_user_string(arg1);
ret = get_errno(creat(p, arg2));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_link:
{
void * p2;
@@ -2179,7 +2191,11 @@
case TARGET_NR_lseek:
ret = get_errno(lseek(arg1, arg2, arg3));
break;
+#ifdef TARGET_NR_getxpid
+ case TARGET_NR_getxpid:
+#else
case TARGET_NR_getpid:
+#endif
ret = get_errno(getpid());
break;
case TARGET_NR_mount:
@@ -2202,6 +2218,7 @@
unlock_user(p, arg1, 0);
break;
#endif
+#ifdef TARGET_NR_stime /* not on alpha */
case TARGET_NR_stime:
{
time_t host_time;
@@ -2209,18 +2226,23 @@
ret = get_errno(stime(&host_time));
}
break;
+#endif
case TARGET_NR_ptrace:
goto unimplemented;
+#ifdef TARGET_NR_alarm /* not on alpha */
case TARGET_NR_alarm:
ret = alarm(arg1);
break;
+#endif
#ifdef TARGET_NR_oldfstat
case TARGET_NR_oldfstat:
goto unimplemented;
#endif
+#ifdef TARGET_NR_pause /* not on alpha */
case TARGET_NR_pause:
ret = get_errno(pause());
break;
+#endif
#ifdef TARGET_NR_utime
case TARGET_NR_utime:
{
@@ -2270,9 +2292,11 @@
ret = get_errno(access(p, arg2));
unlock_user(p, arg1, 0);
break;
+#ifdef TARGET_NR_nice /* not on alpha */
case TARGET_NR_nice:
ret = get_errno(nice(arg1));
break;
+#endif
#ifdef TARGET_NR_ftime
case TARGET_NR_ftime:
goto unimplemented;
@@ -2346,11 +2370,13 @@
ret = get_errno(acct(path(p)));
unlock_user(p, arg1, 0);
break;
+#ifdef TARGET_NR_umount2 /* not on alpha */
case TARGET_NR_umount2:
p = lock_user_string(arg1);
ret = get_errno(umount2(p, arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#ifdef TARGET_NR_lock
case TARGET_NR_lock:
goto unimplemented;
@@ -2389,9 +2415,11 @@
case TARGET_NR_dup2:
ret = get_errno(dup2(arg1, arg2));
break;
+#ifdef TARGET_NR_getppid /* not on alpha */
case TARGET_NR_getppid:
ret = get_errno(getppid());
break;
+#endif
case TARGET_NR_getpgrp:
ret = get_errno(getpgrp());
break;
@@ -2474,6 +2502,7 @@
unlock_user_struct(oact, arg3, 1);
}
break;
+#ifdef TARGET_NR_sgetmask /* not on alpha */
case TARGET_NR_sgetmask:
{
sigset_t cur_set;
@@ -2483,6 +2512,8 @@
ret = target_set;
}
break;
+#endif
+#ifdef TARGET_NR_ssetmask /* not on alpha */
case TARGET_NR_ssetmask:
{
sigset_t set, oset, cur_set;
@@ -2495,6 +2526,7 @@
ret = target_set;
}
break;
+#endif
#ifdef TARGET_NR_sigprocmask
case TARGET_NR_sigprocmask:
{
@@ -3256,6 +3288,7 @@
case TARGET_NR_afs_syscall:
goto unimplemented;
#endif
+#ifdef TARGET_NR__llseek /* Not on alpha */
case TARGET_NR__llseek:
{
#if defined (__x86_64__)
@@ -3268,6 +3301,7 @@
#endif
}
break;
+#endif
case TARGET_NR_getdents:
#if TARGET_LONG_SIZE != 4
goto unimplemented;
@@ -3431,9 +3465,11 @@
case TARGET_NR_getsid:
ret = get_errno(getsid(arg1));
break;
+#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
case TARGET_NR_fdatasync:
ret = get_errno(fdatasync(arg1));
break;
+#endif
case TARGET_NR__sysctl:
/* We don't implement this, but ENODIR is always a safe
return value. */
