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authorRichard Henderson <rth@twiddle.net>2009-12-09 15:46:36 -0800
committerAurelien Jarno <aurelien@aurel32.net>2009-12-13 20:32:36 +0100
commita964acc6bf22896a3ae96f36cf30383553e95aa4 (patch)
tree26ea3d5a69bfbdf9ed11ca85f109f74a26875898 /target-alpha
parent19188121b49d2a7c5c7fdaf663e98faa547836f0 (diff)
target-alpha: Honor the -cpu command line argument.
Also change the default cpu to ev67. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-alpha')
-rw-r--r--target-alpha/translate.c44
1 files changed, 42 insertions, 2 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index ae1f5a836..3f8d1b2d1 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2460,17 +2460,57 @@ void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
gen_intermediate_code_internal(env, tb, 1);
}
+struct cpu_def_t {
+ const char *name;
+ int implver, amask;
+};
+
+static const struct cpu_def_t cpu_defs[] = {
+ { "ev4", IMPLVER_2106x, 0 },
+ { "ev5", IMPLVER_21164, 0 },
+ { "ev56", IMPLVER_21164, AMASK_BWX },
+ { "pca56", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
+ { "ev6", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
+ { "ev67", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
+ | AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), },
+ { "ev68", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
+ | AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), },
+ { "21064", IMPLVER_2106x, 0 },
+ { "21164", IMPLVER_21164, 0 },
+ { "21164a", IMPLVER_21164, AMASK_BWX },
+ { "21164pc", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
+ { "21264", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
+ { "21264a", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
+ | AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), }
+};
+
CPUAlphaState * cpu_alpha_init (const char *cpu_model)
{
CPUAlphaState *env;
uint64_t hwpcb;
+ int implver, amask, i, max;
env = qemu_mallocz(sizeof(CPUAlphaState));
cpu_exec_init(env);
alpha_translate_init();
tlb_flush(env, 1);
- /* XXX: should not be hardcoded */
- env->implver = IMPLVER_2106x;
+
+ /* Default to ev67; no reason not to emulate insns by default. */
+ implver = IMPLVER_21264;
+ amask = (AMASK_BWX | AMASK_FIX | AMASK_CIX | AMASK_MVI
+ | AMASK_TRAP | AMASK_PREFETCH);
+
+ max = ARRAY_SIZE(cpu_defs);
+ for (i = 0; i < max; i++) {
+ if (strcmp (cpu_model, cpu_defs[i].name) == 0) {
+ implver = cpu_defs[i].implver;
+ amask = cpu_defs[i].amask;
+ break;
+ }
+ }
+ env->implver = implver;
+ env->amask = amask;
+
env->ps = 0x1F00;
#if defined (CONFIG_USER_ONLY)
env->ps |= 1 << 3;