target/alpha: Copy tb->flags into DisasContext

Tested-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-07-06 09:44:56 -10:00
parent c6d41b363c
commit 489a0e6410

View File

@ -49,6 +49,7 @@ struct DisasContext {
#ifndef CONFIG_USER_ONLY
uint64_t palbr;
#endif
uint32_t tbflags;
int mem_idx;
/* implver and amask values for this CPU. */
@ -452,7 +453,7 @@ static ExitStatus gen_store_conditional(DisasContext *ctx, int ra, int rb,
static bool in_superpage(DisasContext *ctx, int64_t addr)
{
#ifndef CONFIG_USER_ONLY
return ((ctx->tb->flags & TB_FLAGS_USER_MODE) == 0
return ((ctx->tbflags & TB_FLAGS_USER_MODE) == 0
&& addr >> TARGET_VIRT_ADDR_SPACE_BITS == -1
&& ((addr >> 41) & 3) == 2);
#else
@ -1167,7 +1168,7 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
#ifndef CONFIG_USER_ONLY
/* Privileged PAL code */
if (palcode < 0x40 && (ctx->tb->flags & TB_FLAGS_USER_MODE) == 0) {
if (palcode < 0x40 && (ctx->tbflags & TB_FLAGS_USER_MODE) == 0) {
TCGv tmp;
switch (palcode) {
case 0x01:
@ -1258,7 +1259,7 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
uint64_t exc_addr = ctx->pc;
uint64_t entry = ctx->palbr;
if (ctx->tb->flags & TB_FLAGS_PAL_MODE) {
if (ctx->tbflags & TB_FLAGS_PAL_MODE) {
exc_addr |= 1;
} else {
tcg_gen_movi_i64(tmp, 1);
@ -1452,7 +1453,7 @@ static ExitStatus gen_mtpr(DisasContext *ctx, TCGv vb, int regno)
#define REQUIRE_TB_FLAG(FLAG) \
do { \
if ((ctx->tb->flags & (FLAG)) == 0) { \
if ((ctx->tbflags & (FLAG)) == 0) { \
goto invalid_opc; \
} \
} while (0)
@ -2932,6 +2933,7 @@ void gen_intermediate_code(CPUAlphaState *env, struct TranslationBlock *tb)
ctx.tb = tb;
ctx.pc = pc_start;
ctx.tbflags = tb->flags;
ctx.mem_idx = cpu_mmu_index(env, false);
ctx.implver = env->implver;
ctx.amask = env->amask;
@ -2941,7 +2943,7 @@ void gen_intermediate_code(CPUAlphaState *env, struct TranslationBlock *tb)
ctx.ir = cpu_std_ir;
#else
ctx.palbr = env->palbr;
ctx.ir = (tb->flags & TB_FLAGS_PAL_MODE ? cpu_pal_ir : cpu_std_ir);
ctx.ir = (ctx.tbflags & TB_FLAGS_PAL_MODE ? cpu_pal_ir : cpu_std_ir);
#endif
/* ??? Every TB begins with unset rounding mode, to be initialized on