diff options
Diffstat (limited to 'qemu/target-s390x/mmu_helper.c')
| -rw-r--r-- | qemu/target-s390x/mmu_helper.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/qemu/target-s390x/mmu_helper.c b/qemu/target-s390x/mmu_helper.c index 1ea6d812c..b11a02706 100644 --- a/qemu/target-s390x/mmu_helper.c +++ b/qemu/target-s390x/mmu_helper.c @@ -15,10 +15,13 @@ * GNU General Public License for more details. */ +#include "qemu/osdep.h" #include "qemu/error-report.h" #include "exec/address-spaces.h" #include "cpu.h" #include "sysemu/kvm.h" +#include "trace.h" +#include "hw/s390x/storage-keys.h" /* #define DEBUG_S390 */ /* #define DEBUG_S390_PTE */ @@ -28,7 +31,7 @@ #ifdef DEBUG_S390_STDOUT #define DPRINTF(fmt, ...) \ do { fprintf(stderr, fmt, ## __VA_ARGS__); \ - qemu_log(fmt, ##__VA_ARGS__); } while (0) + if (qemu_log_separate()) qemu_log(fmt, ##__VA_ARGS__); } while (0) #else #define DPRINTF(fmt, ...) \ do { qemu_log(fmt, ## __VA_ARGS__); } while (0) @@ -87,7 +90,7 @@ static void trigger_page_fault(CPUS390XState *env, target_ulong vaddr, tec = vaddr | (rw == MMU_DATA_STORE ? FS_WRITE : FS_READ) | asc >> 46; - DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __func__, vaddr, bits); + DPRINTF("%s: trans_exc_code=%016" PRIx64 "\n", __func__, tec); if (!exc) { return; @@ -309,8 +312,15 @@ static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc, target_ulong *raddr, int *flags, bool exc) { + static S390SKeysState *ss; + static S390SKeysClass *skeyclass; int r = -1; - uint8_t *sk; + uint8_t key; + + if (unlikely(!ss)) { + ss = s390_get_skeys_device(); + skeyclass = S390_SKEYS_GET_CLASS(ss); + } *flags = PAGE_READ | PAGE_WRITE | PAGE_EXEC; vaddr &= TARGET_PAGE_MASK; @@ -358,14 +368,23 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc, /* Convert real address -> absolute address */ *raddr = mmu_real2abs(env, *raddr); - if (*raddr < ram_size) { - sk = &env->storage_keys[*raddr / TARGET_PAGE_SIZE]; + if (r == 0 && *raddr < ram_size) { + if (skeyclass->get_skeys(ss, *raddr / TARGET_PAGE_SIZE, 1, &key)) { + trace_get_skeys_nonzero(r); + return 0; + } + if (*flags & PAGE_READ) { - *sk |= SK_R; + key |= SK_R; } if (*flags & PAGE_WRITE) { - *sk |= SK_C; + key |= SK_C; + } + + if (skeyclass->set_skeys(ss, *raddr / TARGET_PAGE_SIZE, 1, &key)) { + trace_set_skeys_nonzero(r); + return 0; } } |