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author | Richard Henderson <richard.henderson@linaro.org> | 2024-04-06 10:42:10 -1000 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2024-04-09 07:45:05 -1000 |
commit | e7face702ac1e98109dbfde557e7974ea04a295d (patch) | |
tree | 9d2a94775bf925353b4a64342f6e3b85c3238fc4 | |
parent | 07843f75fdaff26950e4ddfd5d03556915fee1a7 (diff) | |
download | qemu-e7face702ac1e98109dbfde557e7974ea04a295d.zip qemu-e7face702ac1e98109dbfde557e7974ea04a295d.tar.gz qemu-e7face702ac1e98109dbfde557e7974ea04a295d.tar.bz2 |
accel/tcg: Add insn_start to DisasContextBase
This is currently target-specific for many; begin making it
target independent.
Tested-by: Jørgen Hansen <Jorgen.Hansen@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r-- | accel/tcg/translator.c | 2 | ||||
-rw-r--r-- | include/exec/translator.h | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c index 38c3400..ae61c15 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -140,6 +140,7 @@ void translator_loop(CPUState *cpu, TranslationBlock *tb, int *max_insns, db->max_insns = *max_insns; db->singlestep_enabled = cflags & CF_SINGLE_STEP; db->saved_can_do_io = -1; + db->insn_start = NULL; db->host_addr[0] = host_pc; db->host_addr[1] = NULL; @@ -157,6 +158,7 @@ void translator_loop(CPUState *cpu, TranslationBlock *tb, int *max_insns, while (true) { *max_insns = ++db->num_insns; ops->insn_start(db, cpu); + db->insn_start = tcg_last_op(); tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */ if (plugin_enabled) { diff --git a/include/exec/translator.h b/include/exec/translator.h index 51624fe..ceaeca8 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -74,6 +74,8 @@ typedef enum DisasJumpType { * @singlestep_enabled: "Hardware" single stepping enabled. * @saved_can_do_io: Known value of cpu->neg.can_do_io, or -1 for unknown. * @plugin_enabled: TCG plugin enabled in this TB. + * @insn_start: The last op emitted by the insn_start hook, + * which is expected to be INDEX_op_insn_start. * * Architecture-agnostic disassembly context. */ @@ -87,6 +89,7 @@ typedef struct DisasContextBase { bool singlestep_enabled; int8_t saved_can_do_io; bool plugin_enabled; + struct TCGOp *insn_start; void *host_addr[2]; } DisasContextBase; |