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-rw-r--r--target-s390x/cpu.h4
-rw-r--r--target-s390x/helper.c12
-rw-r--r--target-s390x/op_helper.c1
3 files changed, 16 insertions, 1 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index e192b50c73..95abe595b3 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -819,6 +819,10 @@ struct sysib_322 {
#define _PAGE_RO 0x200 /* HW read-only bit */
#define _PAGE_INVALID 0x400 /* HW invalid bit */
+#define SK_C (0x1 << 1)
+#define SK_R (0x1 << 2)
+#define SK_F (0x1 << 3)
+#define SK_ACC_MASK (0xf << 4)
/* EBCDIC handling */
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index 96dd867d70..4145104517 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -348,6 +348,7 @@ int mmu_translate(CPUState *env, target_ulong vaddr, int rw, uint64_t asc,
target_ulong *raddr, int *flags)
{
int r = -1;
+ uint8_t *sk;
*flags = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
vaddr &= TARGET_PAGE_MASK;
@@ -390,6 +391,17 @@ out:
*raddr = *raddr + env->psa;
}
+ if (*raddr <= ram_size) {
+ sk = &env->storage_keys[*raddr / TARGET_PAGE_SIZE];
+ if (*flags & PAGE_READ) {
+ *sk |= SK_R;
+ }
+
+ if (*flags & PAGE_WRITE) {
+ *sk |= SK_C;
+ }
+ }
+
return r;
}
diff --git a/target-s390x/op_helper.c b/target-s390x/op_helper.c
index 2f46bdd0ff..440e871e9c 100644
--- a/target-s390x/op_helper.c
+++ b/target-s390x/op_helper.c
@@ -2761,7 +2761,6 @@ uint64_t HELPER(iske)(uint64_t r2)
return 0;
}
- /* XXX maybe use qemu's internal keys? */
return env->storage_keys[addr / TARGET_PAGE_SIZE];
}