diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/helper.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/target/s390x/helper.c b/target/s390x/helper.c index 3d74836a83..f3fcf96482 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -272,32 +272,43 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch) return 0; } -#define ADTL_GS_OFFSET 1024 /* offset of GS data in adtl save area */ +typedef struct SigpAdtlSaveArea { + uint64_t vregs[32][2]; /* 0x0000 */ + uint8_t pad_0x0200[0x0400 - 0x0200]; /* 0x0200 */ + uint64_t gscb[4]; /* 0x0400 */ + uint8_t pad_0x0420[0x1000 - 0x0420]; /* 0x0420 */ +} SigpAdtlSaveArea; +QEMU_BUILD_BUG_ON(sizeof(SigpAdtlSaveArea) != 4096); + #define ADTL_GS_MIN_SIZE 2048 /* minimal size of adtl save area for GS */ int s390_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len) { + SigpAdtlSaveArea *sa; hwaddr save = len; - void *mem; + int i; - mem = cpu_physical_memory_map(addr, &save, 1); - if (!mem) { + sa = cpu_physical_memory_map(addr, &save, 1); + if (!sa) { return -EFAULT; } if (save != len) { - cpu_physical_memory_unmap(mem, len, 1, 0); + cpu_physical_memory_unmap(sa, len, 1, 0); return -EFAULT; } - /* FIXME: as soon as TCG supports these features, convert cpu->be */ if (s390_has_feat(S390_FEAT_VECTOR)) { - memcpy(mem, &cpu->env.vregs, 512); + for (i = 0; i < 32; i++) { + sa->vregs[i][0] = cpu_to_be64(cpu->env.vregs[i][0].ll); + sa->vregs[i][1] = cpu_to_be64(cpu->env.vregs[i][1].ll); + } } if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) { - memcpy(mem + ADTL_GS_OFFSET, &cpu->env.gscb, 32); + for (i = 0; i < 4; i++) { + sa->gscb[i] = cpu_to_be64(cpu->env.gscb[i]); + } } - cpu_physical_memory_unmap(mem, len, 1, len); - + cpu_physical_memory_unmap(sa, len, 1, len); return 0; } #endif /* CONFIG_USER_ONLY */ |