Fix CPU (re-)selection on reset.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2900 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 9 insertions, 4 deletions

diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 36c58ec1e2..9fa0ca8c6c 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -48,6 +48,8 @@ struct r4k_tlb_t {
     target_ulong PFN[2];
 };
 
+typedef struct mips_def_t mips_def_t;
+
 typedef struct CPUMIPSState CPUMIPSState;
 struct CPUMIPSState {
     /* General integer registers */
@@ -295,6 +297,8 @@ struct CPUMIPSState {
     const char *kernel_cmdline;
     const char *initrd_filename;
 
+    mips_def_t *cpu_model;
+
     struct QEMUTimer *timer; /* Internal timer */
 };
 
@@ -308,7 +312,6 @@ void r4k_do_tlbwi (void);
 void r4k_do_tlbwr (void);
 void r4k_do_tlbp (void);
 void r4k_do_tlbr (void);
-typedef struct mips_def_t mips_def_t;
 int mips_find_by_name (const unsigned char *name, mips_def_t **def);
 void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
 int cpu_mips_register (CPUMIPSState *env, mips_def_t *def);
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 7d60f19b28..e14b7348c1 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -207,12 +207,14 @@ static void r4k_mmu_init (CPUMIPSState *env, mips_def_t *def)
 int cpu_mips_register (CPUMIPSState *env, mips_def_t *def)
 {
     if (!def)
+        def = env->cpu_model;
+    if (!def)
         cpu_abort(env, "Unable to find MIPS CPU definition\n");
+    env->cpu_model = def;
     env->CP0_PRid = def->CP0_PRid;
-#ifdef TARGET_WORDS_BIGENDIAN
-    env->CP0_Config0 = def->CP0_Config0 | (1 << CP0C0_BE);
-#else
     env->CP0_Config0 = def->CP0_Config0;
+#ifdef TARGET_WORDS_BIGENDIAN
+    env->CP0_Config0 |= (1 << CP0C0_BE);
 #endif
     env->CP0_Config1 = def->CP0_Config1;
     env->CP0_Config2 = def->CP0_Config2;