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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-07-18 21:14:09 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-07-18 21:14:09 +0000
commit5ef54116ea1c576995f0074b71400bf7bda08cf1 (patch)
tree5be5c3104d58828d73aac1fcef9f2bf8b62f0121 /linux-user/main.c
parent725cb90bf7e2487fe5aa5621cc10afe6d169e310 (diff)
Sparc64 user emulator fixes (Blue Swirl)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2063 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/main.c')
-rw-r--r--linux-user/main.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 6c3d5db7ee..d1693110fa 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -473,11 +473,17 @@ static inline void save_window_offset(CPUSPARCState *env, int cwp1)
static void save_window(CPUSPARCState *env)
{
+#ifndef TARGET_SPARC64
unsigned int new_wim;
new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
((1LL << NWINDOWS) - 1);
save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
env->wim = new_wim;
+#else
+ save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
+ env->cansave++;
+ env->canrestore--;
+#endif
}
static void restore_window(CPUSPARCState *env)
@@ -500,6 +506,12 @@ static void restore_window(CPUSPARCState *env)
sp_ptr += sizeof(target_ulong);
}
env->wim = new_wim;
+#ifdef TARGET_SPARC64
+ env->canrestore++;
+ if (env->cleanwin < NWINDOWS - 1)
+ env->cleanwin++;
+ env->cansave--;
+#endif
}
static void flush_windows(CPUSPARCState *env)
@@ -532,8 +544,12 @@ void cpu_loop (CPUSPARCState *env)
trapnr = cpu_sparc_exec (env);
switch (trapnr) {
+#ifndef TARGET_SPARC64
case 0x88:
case 0x90:
+#else
+ case 0x16d:
+#endif
ret = do_syscall (env, env->gregs[1],
env->regwptr[0], env->regwptr[1],
env->regwptr[2], env->regwptr[3],
@@ -574,6 +590,12 @@ void cpu_loop (CPUSPARCState *env)
}
break;
#else
+ case TT_SPILL: /* window overflow */
+ save_window(env);
+ break;
+ case TT_FILL: /* window underflow */
+ restore_window(env);
+ break;
// XXX
#endif
case EXCP_INTERRUPT: