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-rw-r--r--target/ppc/excp_helper.c7
-rw-r--r--target/ppc/helper_regs.h17
2 files changed, 18 insertions, 6 deletions
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index e6009e7..37d2410 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -207,7 +207,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
"Entering checkstop state\n");
}
cs->halted = 1;
- cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ cpu_interrupt_exittb(cs);
}
if (env->msr_mask & MSR_HVB) {
/* ISA specifies HV, but can be delivered to guest with HV clear
@@ -940,7 +940,7 @@ void helper_store_msr(CPUPPCState *env, target_ulong val)
if (excp != 0) {
CPUState *cs = CPU(ppc_env_get_cpu(env));
- cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ cpu_interrupt_exittb(cs);
raise_exception(env, excp);
}
}
@@ -995,8 +995,7 @@ static inline void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr)
/* No need to raise an exception here,
* as rfi is always the last insn of a TB
*/
- cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
-
+ cpu_interrupt_exittb(cs);
/* Reset the reservation */
env->reserve_addr = -1;
diff --git a/target/ppc/helper_regs.h b/target/ppc/helper_regs.h
index 2627a70..84fd30c 100644
--- a/target/ppc/helper_regs.h
+++ b/target/ppc/helper_regs.h
@@ -20,6 +20,8 @@
#ifndef HELPER_REGS_H
#define HELPER_REGS_H
+#include "qemu/main-loop.h"
+
/* Swap temporary saved registers with GPRs */
static inline void hreg_swap_gpr_tgpr(CPUPPCState *env)
{
@@ -96,6 +98,17 @@ static inline void hreg_compute_hflags(CPUPPCState *env)
env->hflags |= env->hflags_nmsr;
}
+static inline void cpu_interrupt_exittb(CPUState *cs)
+{
+ if (!qemu_mutex_iothread_locked()) {
+ qemu_mutex_lock_iothread();
+ cpu_interrupt(cs, CPU_INTERRUPT_EXITTB);
+ qemu_mutex_unlock_iothread();
+ } else {
+ cpu_interrupt(cs, CPU_INTERRUPT_EXITTB);
+ }
+}
+
static inline int hreg_store_msr(CPUPPCState *env, target_ulong value,
int alter_hv)
{
@@ -114,11 +127,11 @@ static inline int hreg_store_msr(CPUPPCState *env, target_ulong value,
}
if (((value >> MSR_IR) & 1) != msr_ir ||
((value >> MSR_DR) & 1) != msr_dr) {
- cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ cpu_interrupt_exittb(cs);
}
if ((env->mmu_model & POWERPC_MMU_BOOKE) &&
((value >> MSR_GS) & 1) != msr_gs) {
- cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ cpu_interrupt_exittb(cs);
}
if (unlikely((env->flags & POWERPC_FLAG_TGPR) &&
((value ^ env->msr) & (1 << MSR_TGPR)))) {