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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-07-19 08:22:47 -1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-07-21 07:47:05 -1000 |
| commit | 7b9810ea4269fea04c3b95951fb279dc72db4132 (patch) | |
| tree | 8d09f944f9a51a09a4f39dac6064f8b2f7d7b913 /target | |
| parent | b00d86bc8bfe54fd9e4343cfa1f77fbbcbe32d95 (diff) | |
| download | qemu-7b9810ea4269fea04c3b95951fb279dc72db4132.zip qemu-7b9810ea4269fea04c3b95951fb279dc72db4132.tar.gz qemu-7b9810ea4269fea04c3b95951fb279dc72db4132.tar.bz2 | |
target/i386: Implement debug_check_breakpoint
Return false for RF set, as we do in i386_tr_breakpoint_check.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/tcg/tcg-cpu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target/i386/tcg/tcg-cpu.c b/target/i386/tcg/tcg-cpu.c index e96ec9b..238e3a9 100644 --- a/target/i386/tcg/tcg-cpu.c +++ b/target/i386/tcg/tcg-cpu.c @@ -54,6 +54,17 @@ static void x86_cpu_synchronize_from_tb(CPUState *cs, cpu->env.eip = tb->pc - tb->cs_base; } +#ifndef CONFIG_USER_ONLY +static bool x86_debug_check_breakpoint(CPUState *cs) +{ + X86CPU *cpu = X86_CPU(cs); + CPUX86State *env = &cpu->env; + + /* RF disables all architectural breakpoints. */ + return !(env->eflags & RF_MASK); +} +#endif + #include "hw/core/tcg-cpu-ops.h" static const struct TCGCPUOps x86_tcg_ops = { @@ -66,6 +77,7 @@ static const struct TCGCPUOps x86_tcg_ops = { .tlb_fill = x86_cpu_tlb_fill, #ifndef CONFIG_USER_ONLY .debug_excp_handler = breakpoint_handler, + .debug_check_breakpoint = x86_debug_check_breakpoint, #endif /* !CONFIG_USER_ONLY */ }; |