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[Qemu-devel] [PATCH 2/4] target-xtensa: drop usage of prev_debug_excp_ha
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 2/4] target-xtensa: drop usage of prev_debug_excp_handler |
Date: |
Mon, 25 Jun 2012 15:55:05 +0200 |
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 <address@hidden>
---
target-xtensa/helper.c | 8 +-------
1 file changed, 1 insertion(+), 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);
--
1.7.10.2