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| author | Richard Henderson <rth@twiddle.net> | 2011-05-23 12:30:22 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@anchor.twiddle.net> | 2011-05-31 10:18:05 -0700 |
| commit | a18ad89351dd6c828b7fe33fafd1764cef61a40d (patch) | |
| tree | 62780c8813c49e59f703b21d8ca1ebd4d75c5368 /target-alpha/cpu.h | |
| parent | 21d2beaaef6f99f14022fad98fe2ab189fc1c657 (diff) | |
| download | qemu-a18ad89351dd6c828b7fe33fafd1764cef61a40d.zip qemu-a18ad89351dd6c828b7fe33fafd1764cef61a40d.tar.gz qemu-a18ad89351dd6c828b7fe33fafd1764cef61a40d.tar.bz2 | |
target-alpha: All ISA checks to use TB->FLAGS.
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>
Diffstat (limited to 'target-alpha/cpu.h')
| -rw-r--r-- | target-alpha/cpu.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h index c1546f8..f5d90c7 100644 --- a/target-alpha/cpu.h +++ b/target-alpha/cpu.h @@ -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) |