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target/microblaze: Check singlestep_enabled in gen_goto_tb 

Do not use goto_tb if we're single-stepping.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2020-08-17 20:12:21 -07:00
parent a2b80dbd96
commit 0b46fa0821
1 changed files with 6 additions and 1 deletions
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7
target/microblaze/translate.c
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@ -140,7 +140,12 @@ static inline bool use_goto_tb(DisasContext *dc, target_ulong dest)
static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
{
if (use_goto_tb(dc, dest)) {
if (dc->singlestep_enabled) {
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 (use_goto_tb(dc, dest)) {
tcg_gen_goto_tb(n);
tcg_gen_movi_i32(cpu_pc, dest);
tcg_gen_exit_tb(dc->tb, n);