Solaris configure hacks.

[qemu] / cpu-exec.c

diff --git a/cpu-exec.c b/cpu-exec.c
index 740037e..ca46953 100644 (file)
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -126,7 +126,7 @@ static TranslationBlock *tb_find_slow(target_ulong pc,
         /* cannot fail at this point */
         tb = tb_alloc(pc);
         /* don't forget to invalidate previous TB info */
-        T0 = 0;
+        tb_invalidated_flag = 1;
     }
     tc_ptr = code_gen_ptr;
     tb->tc_ptr = tc_ptr;
@@ -144,12 +144,6 @@ static TranslationBlock *tb_find_slow(target_ulong pc,
     tb_link_phys(tb, phys_pc, phys_page2);
     
  found:
-    if (tb_invalidated_flag) {
-        /* as some TB could have been invalidated because
-           of memory exceptions while generating the code, we
-           must recompute the hash index here */
-        T0 = 0;
-    }
     /* we add the TB in the virtual pc hash table */
     env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb;
     spin_unlock(&tb_lock);
@@ -175,6 +169,8 @@ static inline TranslationBlock *tb_find_fast(void)
             | (env->vfp.vec_stride << 4);
     if ((env->uncached_cpsr & CPSR_M) != ARM_CPU_MODE_USR)
         flags |= (1 << 6);
+    if (env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30))
+        flags |= (1 << 7);
     cs_base = 0;
     pc = env->regs[15];
 #elif defined(TARGET_SPARC)
@@ -191,7 +187,7 @@ static inline TranslationBlock *tb_find_fast(void)
     cs_base = 0;
     pc = env->nip;
 #elif defined(TARGET_MIPS)
-    flags = env->hflags & (MIPS_HFLAGS_TMASK | MIPS_HFLAG_BMASK);
+    flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK);
     cs_base = 0;
     pc = env->PC;
 #else
@@ -201,6 +197,14 @@ static inline TranslationBlock *tb_find_fast(void)
     if (__builtin_expect(!tb || tb->pc != pc || tb->cs_base != cs_base ||
                          tb->flags != flags, 0)) {
         tb = tb_find_slow(pc, cs_base, flags);
+        /* Note: we do it here to avoid a gcc bug on Mac OS X when
+           doing it in tb_find_slow */
+        if (tb_invalidated_flag) {
+            /* as some TB could have been invalidated because
+               of memory exceptions while generating the code, we
+               must recompute the hash index here */
+            T0 = 0;
+        }
     }
     return tb;
 }
@@ -625,6 +629,9 @@ int cpu_exec(CPUState *env1)
                    jump. */
                 {
                     if (T0 != 0 &&
+#if USE_KQEMU
+                        (env->kqemu_enabled != 2) &&
+#endif
                         tb->page_addr[1] == -1
 #if defined(TARGET_I386) && defined(USE_CODE_COPY)
                     && (tb->cflags & CF_CODE_COPY) == 
@@ -754,6 +761,13 @@ int cpu_exec(CPUState *env1)
                     T0 = 0;
                 }
 #endif
+#if defined(USE_KQEMU)
+#define MIN_CYCLE_BEFORE_SWITCH (100 * 1000)
+                if (kqemu_is_ok(env) &&
+                    (cpu_get_time_fast() - env->last_io_time) >= MIN_CYCLE_BEFORE_SWITCH) {
+                    cpu_loop_exit();
+                }
+#endif
             }
         } else {
             env_to_regs();
@@ -899,7 +913,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
                 pc, address, is_write, *(unsigned long *)old_set);
 #endif
     /* XXX: locking issue */
-    if (is_write && page_unprotect(address, pc, puc)) {
+    if (is_write && page_unprotect(h2g(address), pc, puc)) {
         return 1;
     }
 
@@ -950,7 +964,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
            pc, address, is_write, *(unsigned long *)old_set);
 #endif
     /* XXX: locking issue */
-    if (is_write && page_unprotect(address, pc, puc)) {
+    if (is_write && page_unprotect(h2g(address), pc, puc)) {
         return 1;
     }
     /* see if it is an MMU fault */
@@ -986,7 +1000,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
            pc, address, is_write, *(unsigned long *)old_set);
 #endif
     /* XXX: locking issue */
-    if (is_write && page_unprotect(address, pc, puc)) {
+    if (is_write && page_unprotect(h2g(address), pc, puc)) {
         return 1;
     }
     /* see if it is an MMU fault */
@@ -1022,7 +1036,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
            pc, address, is_write, *(unsigned long *)old_set);
 #endif
     /* XXX: locking issue */
-    if (is_write && page_unprotect(address, pc, puc)) {
+    if (is_write && page_unprotect(h2g(address), pc, puc)) {
         return 1;
     }
 
@@ -1072,7 +1086,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
            pc, address, is_write, *(unsigned long *)old_set);
 #endif
     /* XXX: locking issue */
-    if (is_write && page_unprotect(address, pc, puc)) {
+    if (is_write && page_unprotect(h2g(address), pc, puc)) {
         return 1;
     }
 
@@ -1349,7 +1363,6 @@ int cpu_signal_handler(int host_signum, struct siginfo *info,
 #ifndef __ISR_VALID
   /* This ought to be in <bits/siginfo.h>... */
 # define __ISR_VALID   1
-# define si_flags      _sifields._sigfault._si_pad0
 #endif
 
 int cpu_signal_handler(int host_signum, struct siginfo *info, void *puc)
@@ -1365,7 +1378,7 @@ int cpu_signal_handler(int host_signum, struct siginfo *info, void *puc)
       case SIGSEGV:
       case SIGBUS:
       case SIGTRAP:
-         if (info->si_code && (info->si_flags & __ISR_VALID))
+         if (info->si_code && (info->si_segvflags & __ISR_VALID))
              /* ISR.W (write-access) is bit 33:  */
              is_write = (info->si_isr >> 33) & 1;
          break;