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>

1 files changed, 3 insertions, 4 deletions

diff --git a/target/arm/debug_helper.c b/target/arm/debug_helper.c
index 2ff72d47d1..4a0c479527 100644
--- a/target/arm/debug_helper.c
+++ b/target/arm/debug_helper.c
@@ -216,8 +216,9 @@ static bool check_watchpoints(ARMCPU *cpu)
     return false;
 }
 
-static bool check_breakpoints(ARMCPU *cpu)
+bool arm_debug_check_breakpoint(CPUState *cs)
 {
+    ARMCPU *cpu = ARM_CPU(cs);
     CPUARMState *env = &cpu->env;
     int n;
 
@@ -240,9 +241,7 @@ static bool check_breakpoints(ARMCPU *cpu)
 
 void HELPER(check_breakpoints)(CPUARMState *env)
 {
-    ARMCPU *cpu = env_archcpu(env);
-
-    if (check_breakpoints(cpu)) {
+    if (arm_debug_check_breakpoint(env_cpu(env))) {
         HELPER(exception_internal(env, EXCP_DEBUG));
     }
 }