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target/arm: Implement debug_check_breakpoint
Reuse the code at the bottom of helper_check_breakpoints, which is what we currently call from *_tr_breakpoint_check. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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@ -1984,6 +1984,7 @@ static const struct TCGCPUOps arm_tcg_ops = {
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.do_unaligned_access = arm_cpu_do_unaligned_access,
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.adjust_watchpoint_address = arm_adjust_watchpoint_address,
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.debug_check_watchpoint = arm_debug_check_watchpoint,
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.debug_check_breakpoint = arm_debug_check_breakpoint,
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#endif /* !CONFIG_USER_ONLY */
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};
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#endif /* CONFIG_TCG */
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@ -911,6 +911,7 @@ static const struct TCGCPUOps arm_v7m_tcg_ops = {
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.do_unaligned_access = arm_cpu_do_unaligned_access,
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.adjust_watchpoint_address = arm_adjust_watchpoint_address,
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.debug_check_watchpoint = arm_debug_check_watchpoint,
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.debug_check_breakpoint = arm_debug_check_breakpoint,
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#endif /* !CONFIG_USER_ONLY */
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};
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#endif /* CONFIG_TCG */
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@ -216,8 +216,9 @@ static bool check_watchpoints(ARMCPU *cpu)
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return false;
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}
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static bool check_breakpoints(ARMCPU *cpu)
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bool arm_debug_check_breakpoint(CPUState *cs)
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{
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ARMCPU *cpu = ARM_CPU(cs);
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CPUARMState *env = &cpu->env;
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int n;
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@ -240,9 +241,7 @@ static bool check_breakpoints(ARMCPU *cpu)
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void HELPER(check_breakpoints)(CPUARMState *env)
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{
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ARMCPU *cpu = env_archcpu(env);
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if (check_breakpoints(cpu)) {
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if (arm_debug_check_breakpoint(env_cpu(env))) {
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HELPER(exception_internal(env, EXCP_DEBUG));
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}
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}
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@ -282,6 +282,9 @@ void hw_breakpoint_update(ARMCPU *cpu, int n);
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*/
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void hw_breakpoint_update_all(ARMCPU *cpu);
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/* Callback function for checking if a breakpoint should trigger. */
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bool arm_debug_check_breakpoint(CPUState *cs);
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/* Callback function for checking if a watchpoint should trigger. */
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bool arm_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp);
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