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Improve "ta 0" shutdown

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This patch replace the previous implementation with this simplified and
more complete version (no shutdown when psret == 1).

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Fabien Chouteau 2011-11-03 16:10:04 +01:00 • committed by Blue Swirl
parent 9643c25f8d
commit 96d922a654
4 changed files with 9 additions and 18 deletions
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10
target-sparc/int32_helper.c
View file

@ -19,6 +19,7 @@
#include "cpu.h"
#include "trace.h"
#include "sysemu.h"
//#define DEBUG_PCALL
@ -100,8 +101,13 @@ void do_interrupt(CPUState *env)
#endif
#if !defined(CONFIG_USER_ONLY)
if (env->psret == 0) {
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
env->exception_index);
if (env->exception_index == 0x80 &&
env->def->features & CPU_FEATURE_TA0_SHUTDOWN) {
qemu_system_shutdown_request();
} else {
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
env->exception_index);
}
return;
}
#endif