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target-alpha: All ISA checks to use TB->FLAGS.

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We had two different methods in use, both of which referenced ENV,
and neither of which indicated to the generic code when different
compilation modes are not compatible.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson
2011-05-31 10:18:05 -07:00
committed by Richard Henderson
parent 21d2beaaef
commit a18ad89351
2 changed files with 229 additions and 181 deletions
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target-alpha/cpu.h
+30 -2
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@@ -418,12 +418,40 @@ uint64_t cpu_alpha_load_fpcr (CPUState *env);
void cpu_alpha_store_fpcr (CPUState *env, uint64_t val);
extern void swap_shadow_regs(CPUState *env);
/* Bits in TB->FLAGS that control how translation is processed. */
enum {
TB_FLAGS_PAL_MODE = 1,
TB_FLAGS_FEN = 2,
TB_FLAGS_USER_MODE = 8,
TB_FLAGS_AMASK_SHIFT = 4,
TB_FLAGS_AMASK_BWX = AMASK_BWX << TB_FLAGS_AMASK_SHIFT,
TB_FLAGS_AMASK_FIX = AMASK_FIX << TB_FLAGS_AMASK_SHIFT,
TB_FLAGS_AMASK_CIX = AMASK_CIX << TB_FLAGS_AMASK_SHIFT,
TB_FLAGS_AMASK_MVI = AMASK_MVI << TB_FLAGS_AMASK_SHIFT,
TB_FLAGS_AMASK_TRAP = AMASK_TRAP << TB_FLAGS_AMASK_SHIFT,
TB_FLAGS_AMASK_PREFETCH = AMASK_PREFETCH << TB_FLAGS_AMASK_SHIFT,
};
static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
target_ulong *cs_base, int *flags)
target_ulong *cs_base, int *pflags)
{
int flags = 0;
*pc = env->pc;
*cs_base = 0;
*flags = env->ps;
if (env->pal_mode) {
flags = TB_FLAGS_PAL_MODE;
} else {
flags = env->ps & PS_USER_MODE;
}
if (env->fen) {
flags |= TB_FLAGS_FEN;
}
flags |= env->amask << TB_FLAGS_AMASK_SHIFT;
*pflags = flags;
}
#if defined(CONFIG_USER_ONLY)
target-alpha/translate.c
+199 -179
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