#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "qemu/log.h"
+#include "qemu/main-loop.h"
/*****************************************************************************/
/* SPR accesses */
raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_INVAL, GETPC());
- } else if (unlikely(ppc_dcr_read(env->dcr_env,
- (uint32_t)dcrn, &val) != 0)) {
- qemu_log_mask(LOG_GUEST_ERROR, "DCR read error %d %03x\n",
- (uint32_t)dcrn, (uint32_t)dcrn);
- raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_PRIV_REG, GETPC());
+ } else {
+ int ret;
+
+ qemu_mutex_lock_iothread();
+ ret = ppc_dcr_read(env->dcr_env, (uint32_t)dcrn, &val);
+ qemu_mutex_unlock_iothread();
+ if (unlikely(ret != 0)) {
+ qemu_log_mask(LOG_GUEST_ERROR, "DCR read error %d %03x\n",
+ (uint32_t)dcrn, (uint32_t)dcrn);
+ raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL |
+ POWERPC_EXCP_PRIV_REG, GETPC());
+ }
}
return val;
}
raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_INVAL, GETPC());
- } else if (unlikely(ppc_dcr_write(env->dcr_env, (uint32_t)dcrn,
- (uint32_t)val) != 0)) {
- qemu_log_mask(LOG_GUEST_ERROR, "DCR write error %d %03x\n",
- (uint32_t)dcrn, (uint32_t)dcrn);
- raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_PRIV_REG, GETPC());
+ } else {
+ int ret;
+ qemu_mutex_lock_iothread();
+ ret = ppc_dcr_write(env->dcr_env, (uint32_t)dcrn, (uint32_t)val);
+ qemu_mutex_unlock_iothread();
+ if (unlikely(ret != 0)) {
+ qemu_log_mask(LOG_GUEST_ERROR, "DCR write error %d %03x\n",
+ (uint32_t)dcrn, (uint32_t)dcrn);
+ raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL |
+ POWERPC_EXCP_PRIV_REG, GETPC());
+ }
}
}