ppc64: handle 8 byte loads and stores atomically in xmon

diff --git a/arch/ppc64/xmon/xmon.c b/arch/ppc64/xmon/xmon.c
index a2d0f517177b576bd5a81211fce9f31065bf82cb..1ec80f0ffc58596520217d1ce57f701c5eff9d8c 100644 (file)
--- a/arch/ppc64/xmon/xmon.c
+++ b/arch/ppc64/xmon/xmon.c
@@ -1381,16 +1381,23 @@ mread(unsigned long adrs, void *buf, int size)
        char *p, *q;
 
        n = 0;
-       if( setjmp(bus_error_jmp) == 0 ){
+       if (setjmp(bus_error_jmp) == 0) {
                debugger_fault_handler = handle_fault;
                sync();
-               p = (char *) adrs;
-               q = (char *) buf;
+               p = (char *)adrs;
+               q = (char *)buf;
                switch (size) {
-               case 2: *(short *)q = *(short *)p;      break;
-               case 4: *(int *)q = *(int *)p;          break;
+               case 2:
+                       *(short *)q = *(short *)p;
+                       break;
+               case 4:
+                       *(int *)q = *(int *)p;
+                       break;
+               case 8:
+                       *(long *)q = *(long *)p;
+                       break;
                default:
-                       for( ; n < size; ++n ) {
+                       for( ; n < size; ++n) {
                                *q++ = *p++;
                                sync();
                        }
@@ -1411,16 +1418,23 @@ mwrite(unsigned long adrs, void *buf, int size)
        char *p, *q;
 
        n = 0;
-       if( setjmp(bus_error_jmp) == 0 ){
+       if (setjmp(bus_error_jmp) == 0) {
                debugger_fault_handler = handle_fault;
                sync();
                p = (char *) adrs;
                q = (char *) buf;
                switch (size) {
-               case 2: *(short *)p = *(short *)q;      break;
-               case 4: *(int *)p = *(int *)q;          break;
+               case 2:
+                       *(short *)p = *(short *)q;
+                       break;
+               case 4:
+                       *(int *)p = *(int *)q;
+                       break;
+               case 8:
+                       *(long *)p = *(long *)q;
+                       break;
                default:
-                       for( ; n < size; ++n ) {
+                       for ( ; n < size; ++n) {
                                *p++ = *q++;
                                sync();
                        }