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| author | Richard Henderson | 2022-10-24 11:43:40 +0200 |
|---|---|---|
| committer | Richard Henderson | 2022-10-26 03:11:28 +0200 |
| commit | d29256896f563683419ae4af04d94d7d0f07c225 (patch) | |
| tree | 123efaad95b498e095feb2ae4fb35de1ec0bbfec /accel | |
| parent | accel/tcg: Simplify page_get/alloc_target_data (diff) | |
| download | qemu-d29256896f563683419ae4af04d94d7d0f07c225.tar.gz qemu-d29256896f563683419ae4af04d94d7d0f07c225.tar.xz qemu-d29256896f563683419ae4af04d94d7d0f07c225.zip | |
accel/tcg: Add restore_state_to_opc to TCGCPUOps
Add a tcg_ops hook to replace the restore_state_to_opc
function call. Because these generic hooks cannot depend
on target-specific types, temporarily, copy the current
target_ulong data[] into uint64_t d64[].
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/tcg/translate-all.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 433fa247f4..4d8783efc7 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -256,7 +256,6 @@ int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, { target_ulong data[TARGET_INSN_START_WORDS]; uintptr_t host_pc = (uintptr_t)tb->tc.ptr; - CPUArchState *env = cpu->env_ptr; const uint8_t *p = tb->tc.ptr + tb->tc.size; int i, j, num_insns = tb->icount; #ifdef CONFIG_PROFILER @@ -295,7 +294,20 @@ int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, and shift if to the number of actually executed instructions */ cpu_neg(cpu)->icount_decr.u16.low += num_insns - i; } - restore_state_to_opc(env, tb, data); + + { + const struct TCGCPUOps *ops = cpu->cc->tcg_ops; + __typeof(ops->restore_state_to_opc) restore = ops->restore_state_to_opc; + if (restore) { + uint64_t d64[TARGET_INSN_START_WORDS]; + for (i = 0; i < TARGET_INSN_START_WORDS; ++i) { + d64[i] = data[i]; + } + restore(cpu, tb, d64); + } else { + restore_state_to_opc(cpu->env_ptr, tb, data); + } + } #ifdef CONFIG_PROFILER qatomic_set(&prof->restore_time, @@ -308,6 +320,14 @@ int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit) { /* + * The pc update associated with restore without exit will + * break the relative pc adjustments performed by TARGET_TB_PCREL. + */ + if (TARGET_TB_PCREL) { + assert(will_exit); + } + + /* * The host_pc has to be in the rx region of the code buffer. * If it is not we will not be able to resolve it here. * The two cases where host_pc will not be correct are: |