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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>
This commit is contained in:
Richard Henderson 2009-12-09 15:46:36 -08:00 committed by Aurelien Jarno
parent 19188121b4
commit a964acc6bf
1 changed files with 42 additions and 2 deletions
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44
target-alpha/translate.c
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@ -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;