target/microblaze: Drop checks for singlestep_enabled

GDB single-stepping is now handled generically.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-07-19 06:17:20 -10:00
parent fbafb3a4d2
commit 6634558025
1 changed files with 2 additions and 12 deletions

View File

@ -126,12 +126,7 @@ static void gen_raise_hw_excp(DisasContext *dc, uint32_t esr_ec)
static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
{ {
if (dc->base.singlestep_enabled) { if (translator_use_goto_tb(&dc->base, dest)) {
TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
tcg_gen_movi_i32(cpu_pc, dest);
gen_helper_raise_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
} else if (translator_use_goto_tb(&dc->base, dest)) {
tcg_gen_goto_tb(n); tcg_gen_goto_tb(n);
tcg_gen_movi_i32(cpu_pc, dest); tcg_gen_movi_i32(cpu_pc, dest);
tcg_gen_exit_tb(dc->base.tb, n); tcg_gen_exit_tb(dc->base.tb, n);
@ -1807,12 +1802,7 @@ static void mb_tr_tb_stop(DisasContextBase *dcb, CPUState *cs)
/* Indirect jump (or direct jump w/ goto_tb disabled) */ /* Indirect jump (or direct jump w/ goto_tb disabled) */
tcg_gen_mov_i32(cpu_pc, cpu_btarget); tcg_gen_mov_i32(cpu_pc, cpu_btarget);
tcg_gen_discard_i32(cpu_btarget); tcg_gen_discard_i32(cpu_btarget);
tcg_gen_lookup_and_goto_ptr();
if (unlikely(cs->singlestep_enabled)) {
gen_raise_exception(dc, EXCP_DEBUG);
} else {
tcg_gen_lookup_and_goto_ptr();
}
return; return;
default: default: