floppy fixes (initial patch by Mike Nordell)

[qemu] / exec.c

diff --git a/exec.c b/exec.c
index c33661b..8732377 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -315,7 +315,6 @@ static void page_flush_tb(void)
 /* XXX: tb_flush is currently not thread safe */
 void tb_flush(CPUState *env)
 {
-    int i;
 #if defined(DEBUG_FLUSH)
     printf("qemu: flush code_size=%d nb_tbs=%d avg_tb_size=%d\n", 
            code_gen_ptr - code_gen_buffer, 
@@ -323,12 +322,10 @@ void tb_flush(CPUState *env)
            nb_tbs > 0 ? (code_gen_ptr - code_gen_buffer) / nb_tbs : 0);
 #endif
     nb_tbs = 0;
-    for(i = 0;i < CODE_GEN_HASH_SIZE; i++)
-        tb_hash[i] = NULL;
+    memset (tb_hash, 0, CODE_GEN_HASH_SIZE * sizeof (void *));
     virt_page_flush();
 
-    for(i = 0;i < CODE_GEN_PHYS_HASH_SIZE; i++)
-        tb_phys_hash[i] = NULL;
+    memset (tb_phys_hash, 0, CODE_GEN_PHYS_HASH_SIZE * sizeof (void *));
     page_flush_tb();
 
     code_gen_ptr = code_gen_buffer;
@@ -1077,7 +1074,7 @@ static void breakpoint_invalidate(CPUState *env, target_ulong pc)
    breakpoint is reached */
 int cpu_breakpoint_insert(CPUState *env, target_ulong pc)
 {
-#if defined(TARGET_I386) || defined(TARGET_PPC)
+#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_SPARC)
     int i;
     
     for(i = 0; i < env->nb_breakpoints; i++) {
@@ -1099,7 +1096,7 @@ int cpu_breakpoint_insert(CPUState *env, target_ulong pc)
 /* remove a breakpoint */
 int cpu_breakpoint_remove(CPUState *env, target_ulong pc)
 {
-#if defined(TARGET_I386) || defined(TARGET_PPC)
+#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_SPARC)
     int i;
     for(i = 0; i < env->nb_breakpoints; i++) {
         if (env->breakpoints[i] == pc)
@@ -1122,7 +1119,7 @@ int cpu_breakpoint_remove(CPUState *env, target_ulong pc)
    CPU loop after each instruction */
 void cpu_single_step(CPUState *env, int enabled)
 {
-#if defined(TARGET_I386) || defined(TARGET_PPC)
+#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_SPARC)
     if (env->singlestep_enabled != enabled) {
         env->singlestep_enabled = enabled;
         /* must flush all the translated code to avoid inconsistancies */
@@ -1279,8 +1276,7 @@ void tlb_flush(CPUState *env, int flush_global)
     }
 
     virt_page_flush();
-    for(i = 0;i < CODE_GEN_HASH_SIZE; i++)
-        tb_hash[i] = NULL;
+    memset (tb_hash, 0, CODE_GEN_HASH_SIZE * sizeof (void *));
 
 #if !defined(CONFIG_SOFTMMU)
     munmap((void *)MMAP_AREA_START, MMAP_AREA_END - MMAP_AREA_START);
@@ -2119,6 +2115,7 @@ int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
 #define MMUSUFFIX _cmmu
 #define GETPC() NULL
 #define env cpu_single_env
+#define SOFTMMU_CODE_ACCESS
 
 #define SHIFT 0
 #include "softmmu_template.h"