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target/sh4: Introduce TB_FLAG_ENVFLAGS_MASK 

We'll be putting more things into this bitmask soon.
Let's have a name that covers all possible uses.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170718200255.31647-4-rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2017-07-18 10:02:28 -10:00 committed by Aurelien Jarno
parent 4448a83606
commit e1933d1435
2 changed files with 5 additions and 3 deletions
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4
target/sh4/cpu.h
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@ -96,6 +96,8 @@
#define DELAY_SLOT_CONDITIONAL (1 << 1)
#define DELAY_SLOT_RTE (1 << 2)
#define TB_FLAG_ENVFLAGS_MASK DELAY_SLOT_MASK
typedef struct tlb_t {
uint32_t vpn; /* virtual page number */
uint32_t ppn; /* physical page number */
@ -388,7 +390,7 @@ static inline void cpu_get_tb_cpu_state(CPUSH4State *env, target_ulong *pc,
{
*pc = env->pc;
*cs_base = 0;
*flags = (env->flags & DELAY_SLOT_MASK) /* Bits 0- 2 */
*flags = (env->flags & TB_FLAG_ENVFLAGS_MASK) /* Bits 0-2 */
| (env->fpscr & (FPSCR_FR | FPSCR_SZ | FPSCR_PR)) /* Bits 19-21 */
| (env->sr & ((1u << SR_MD) | (1u << SR_RB))) /* Bits 29-30 */
| (env->sr & (1u << SR_FD)) /* Bit 15 */

4
target/sh4/translate.c
View File

@ -220,7 +220,7 @@ static inline void gen_save_cpu_state(DisasContext *ctx, bool save_pc)
if (ctx->delayed_pc != (uint32_t) -1) {
tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
}
if ((ctx->tbflags & DELAY_SLOT_MASK) != ctx->envflags) {
if ((ctx->tbflags & TB_FLAG_ENVFLAGS_MASK) != ctx->envflags) {
tcg_gen_movi_i32(cpu_flags, ctx->envflags);
}
}
@ -1819,7 +1819,7 @@ void gen_intermediate_code(CPUSH4State * env, struct TranslationBlock *tb)
pc_start = tb->pc;
ctx.pc = pc_start;
ctx.tbflags = (uint32_t)tb->flags;
ctx.envflags = tb->flags & DELAY_SLOT_MASK;
ctx.envflags = tb->flags & TB_FLAG_ENVFLAGS_MASK;
ctx.bstate = BS_NONE;
ctx.memidx = (ctx.tbflags & (1u << SR_MD)) == 0 ? 1 : 0;
/* We don't know if the delayed pc came from a dynamic or static branch,