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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>
This commit is contained in:
Richard Henderson 2021-07-19 08:22:47 -10:00
parent b00d86bc8b
commit 7b9810ea42
1 changed files with 12 additions and 0 deletions
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12
target/i386/tcg/tcg-cpu.c
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@ -54,6 +54,17 @@ static void x86_cpu_synchronize_from_tb(CPUState *cs,
cpu->env.eip = tb->pc - tb->cs_base; 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" #include "hw/core/tcg-cpu-ops.h"
static const struct TCGCPUOps x86_tcg_ops = { static const struct TCGCPUOps x86_tcg_ops = {
@ -66,6 +77,7 @@ static const struct TCGCPUOps x86_tcg_ops = {
.tlb_fill = x86_cpu_tlb_fill, .tlb_fill = x86_cpu_tlb_fill,
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
.debug_excp_handler = breakpoint_handler, .debug_excp_handler = breakpoint_handler,
.debug_check_breakpoint = x86_debug_check_breakpoint,
#endif /* !CONFIG_USER_ONLY */ #endif /* !CONFIG_USER_ONLY */
}; };