#ifndef CONFIG_USER_ONLY
+void *s390_cpu_physical_memory_map(CPUS390XState *env, hwaddr addr, hwaddr *len,
+ int is_write);
+void s390_cpu_physical_memory_unmap(CPUS390XState *env, void *addr, hwaddr len,
+ int is_write);
void s390x_tod_timer(void *opaque);
void s390x_cpu_timer(void *opaque);
cpu_physical_memory_unmap(lowcore, sizeof(LowCore), 1, sizeof(LowCore));
}
+void *s390_cpu_physical_memory_map(CPUS390XState *env, hwaddr addr, hwaddr *len,
+ int is_write)
+{
+ hwaddr start = addr;
+
+ /* Mind the prefix area. */
+ if (addr < 8192) {
+ /* Map the lowcore. */
+ start += env->psa;
+ *len = MIN(*len, 8192 - addr);
+ } else if ((addr >= env->psa) && (addr < env->psa + 8192)) {
+ /* Map the 0 page. */
+ start -= env->psa;
+ *len = MIN(*len, 8192 - start);
+ }
+
+ return cpu_physical_memory_map(start, len, is_write);
+}
+
+void s390_cpu_physical_memory_unmap(CPUS390XState *env, void *addr, hwaddr len,
+ int is_write)
+{
+ cpu_physical_memory_unmap(addr, len, is_write, len);
+}
+
static void do_svc_interrupt(CPUS390XState *env)
{
uint64_t mask, addr;