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authorIgor Mammedov <imammedo@redhat.com>2012-06-21 17:57:19 +0200
committerIgor Mammedov <imammedo@redhat.com>2012-06-25 15:35:03 +0200
commiteeec69dc06a0b87a578f4935bbd699d03bc4f359 (patch)
tree939edf36ff880558f7dc19bd1b04b6ac00da10b0 /target-xtensa
parent130a03855098a4057c227bc658c0688f8665b71f (diff)
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target-xtensa: drop usage of prev_debug_excp_handler
Chains of exception handlers are currently unused feature. Dropping it to be consistent with target-i386 but it may simplify qom-ifying CPU in future like for target-i386. Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Diffstat (limited to 'target-xtensa')
-rw-r--r--target-xtensa/helper.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c
index 044ce18..d5bb171 100644
--- a/target-xtensa/helper.c
+++ b/target-xtensa/helper.c
@@ -54,8 +54,6 @@ static uint32_t check_hw_breakpoints(CPUXtensaState *env)
return 0;
}
-static CPUDebugExcpHandler *prev_debug_excp_handler;
-
static void breakpoint_handler(CPUXtensaState *env)
{
if (env->watchpoint_hit) {
@@ -70,9 +68,6 @@ static void breakpoint_handler(CPUXtensaState *env)
cpu_resume_from_signal(env, NULL);
}
}
- if (prev_debug_excp_handler) {
- prev_debug_excp_handler(env);
- }
}
XtensaCPU *cpu_xtensa_init(const char *cpu_model)
@@ -105,8 +100,7 @@ XtensaCPU *cpu_xtensa_init(const char *cpu_model)
if (!debug_handler_inited && tcg_enabled()) {
debug_handler_inited = 1;
- prev_debug_excp_handler =
- cpu_set_debug_excp_handler(breakpoint_handler);
+ cpu_set_debug_excp_handler(breakpoint_handler);
}
xtensa_irq_init(env);