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-rw-r--r--target-alpha/helper.c63
1 files changed, 26 insertions, 37 deletions
diff --git a/target-alpha/helper.c b/target-alpha/helper.c
index 46b8ef9141..5a85335838 100644
--- a/target-alpha/helper.c
+++ b/target-alpha/helper.c
@@ -79,6 +79,30 @@ void helper_store_fpcr(CPUAlphaState *env, uint64_t val)
cpu_alpha_store_fpcr(env, val);
}
+static uint64_t *cpu_alpha_addr_gr(CPUAlphaState *env, unsigned reg)
+{
+#ifndef CONFIG_USER_ONLY
+ if (env->pal_mode) {
+ if (reg >= 8 && reg <= 14) {
+ return &env->shadow[reg - 8];
+ } else if (reg == 25) {
+ return &env->shadow[7];
+ }
+ }
+#endif
+ return &env->ir[reg];
+}
+
+uint64_t cpu_alpha_load_gr(CPUAlphaState *env, unsigned reg)
+{
+ return *cpu_alpha_addr_gr(env, reg);
+}
+
+void cpu_alpha_store_gr(CPUAlphaState *env, unsigned reg, uint64_t val)
+{
+ *cpu_alpha_addr_gr(env, reg) = val;
+}
+
#if defined(CONFIG_USER_ONLY)
int alpha_cpu_handle_mmu_fault(CPUState *cs, vaddr address,
int rw, int mmu_idx)
@@ -90,38 +114,6 @@ int alpha_cpu_handle_mmu_fault(CPUState *cs, vaddr address,
return 1;
}
#else
-void swap_shadow_regs(CPUAlphaState *env)
-{
- uint64_t i0, i1, i2, i3, i4, i5, i6, i7;
-
- i0 = env->ir[8];
- i1 = env->ir[9];
- i2 = env->ir[10];
- i3 = env->ir[11];
- i4 = env->ir[12];
- i5 = env->ir[13];
- i6 = env->ir[14];
- i7 = env->ir[25];
-
- env->ir[8] = env->shadow[0];
- env->ir[9] = env->shadow[1];
- env->ir[10] = env->shadow[2];
- env->ir[11] = env->shadow[3];
- env->ir[12] = env->shadow[4];
- env->ir[13] = env->shadow[5];
- env->ir[14] = env->shadow[6];
- env->ir[25] = env->shadow[7];
-
- env->shadow[0] = i0;
- env->shadow[1] = i1;
- env->shadow[2] = i2;
- env->shadow[3] = i3;
- env->shadow[4] = i4;
- env->shadow[5] = i5;
- env->shadow[6] = i6;
- env->shadow[7] = i7;
-}
-
/* Returns the OSF/1 entMM failure indication, or -1 on success. */
static int get_physical_address(CPUAlphaState *env, target_ulong addr,
int prot_need, int mmu_idx,
@@ -375,10 +367,7 @@ void alpha_cpu_do_interrupt(CPUState *cs)
env->pc = env->palbr + i;
/* Switch to PALmode. */
- if (!env->pal_mode) {
- env->pal_mode = 1;
- swap_shadow_regs(env);
- }
+ env->pal_mode = 1;
#endif /* !USER_ONLY */
}
@@ -443,7 +432,7 @@ void alpha_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
env->pc, env->ps);
for (i = 0; i < 31; i++) {
cpu_fprintf(f, "IR%02d %s " TARGET_FMT_lx " ", i,
- linux_reg_names[i], env->ir[i]);
+ linux_reg_names[i], cpu_alpha_load_gr(env, i));
if ((i % 3) == 2)
cpu_fprintf(f, "\n");
}