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Diffstat (limited to 'target/openrisc/sys_helper.c')
-rw-r--r--target/openrisc/sys_helper.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/target/openrisc/sys_helper.c b/target/openrisc/sys_helper.c
index fa3d6a436e..abdef5d6a5 100644
--- a/target/openrisc/sys_helper.c
+++ b/target/openrisc/sys_helper.c
@@ -22,6 +22,7 @@
#include "cpu.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
+#include "exception.h"
#define TO_SPR(group, number) (((group) << 11) + (number))
@@ -141,6 +142,15 @@ void HELPER(mtspr)(CPUOpenRISCState *env,
case TO_SPR(5, 2): /* MACHI */
env->mac = deposit64(env->mac, 32, 32, rb);
break;
+ case TO_SPR(8, 0): /* PMR */
+ env->pmr = rb;
+ if (env->pmr & PMR_DME || env->pmr & PMR_SME) {
+ cpu_restore_state(cs, GETPC());
+ env->pc += 4;
+ cs->halted = 1;
+ raise_exception(cpu, EXCP_HALTED);
+ }
+ break;
case TO_SPR(9, 0): /* PICMR */
env->picmr |= rb;
break;
@@ -287,6 +297,9 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env,
return env->mac >> 32;
break;
+ case TO_SPR(8, 0): /* PMR */
+ return env->pmr;
+
case TO_SPR(9, 0): /* PICMR */
return env->picmr;