diff options
Diffstat (limited to 'target/s390x/helper.c')
| -rw-r--r-- | target/s390x/helper.c | 122 |
1 files changed, 10 insertions, 112 deletions
diff --git a/target/s390x/helper.c b/target/s390x/helper.c index 5c127da..184428c 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -24,8 +24,8 @@ #include "gdbstub/helpers.h" #include "qemu/timer.h" #include "hw/s390x/ioinst.h" -#include "target/s390x/kvm/pv.h" #include "system/hw_accel.h" +#include "system/memory.h" #include "system/runstate.h" #include "exec/target_page.h" #include "exec/watchpoint.h" @@ -107,19 +107,23 @@ LowCore *cpu_map_lowcore(CPUS390XState *env) { LowCore *lowcore; hwaddr len = sizeof(LowCore); + CPUState *cs = env_cpu(env); + const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; - lowcore = cpu_physical_memory_map(env->psa, &len, true); + lowcore = address_space_map(cs->as, env->psa, &len, true, attrs); if (len < sizeof(LowCore)) { - cpu_abort(env_cpu(env), "Could not map lowcore\n"); + cpu_abort(cs, "Could not map lowcore\n"); } return lowcore; } -void cpu_unmap_lowcore(LowCore *lowcore) +void cpu_unmap_lowcore(CPUS390XState *env, LowCore *lowcore) { - cpu_physical_memory_unmap(lowcore, sizeof(LowCore), 1, sizeof(LowCore)); + AddressSpace *as = env_cpu(env)->as; + + address_space_unmap(as, lowcore, sizeof(LowCore), true, sizeof(LowCore)); } void do_restart_interrupt(CPUS390XState *env) @@ -134,7 +138,7 @@ void do_restart_interrupt(CPUS390XState *env) mask = be64_to_cpu(lowcore->restart_new_psw.mask); addr = be64_to_cpu(lowcore->restart_new_psw.addr); - cpu_unmap_lowcore(lowcore); + cpu_unmap_lowcore(env, lowcore); env->pending_int &= ~INTERRUPT_RESTART; s390_cpu_set_psw(env, mask, addr); @@ -177,109 +181,3 @@ void s390_cpu_recompute_watchpoints(CPUState *cs) wp_flags, NULL); } } - -typedef struct SigpSaveArea { - uint64_t fprs[16]; /* 0x0000 */ - uint64_t grs[16]; /* 0x0080 */ - PSW psw; /* 0x0100 */ - uint8_t pad_0x0110[0x0118 - 0x0110]; /* 0x0110 */ - uint32_t prefix; /* 0x0118 */ - uint32_t fpc; /* 0x011c */ - uint8_t pad_0x0120[0x0124 - 0x0120]; /* 0x0120 */ - uint32_t todpr; /* 0x0124 */ - uint64_t cputm; /* 0x0128 */ - uint64_t ckc; /* 0x0130 */ - uint8_t pad_0x0138[0x0140 - 0x0138]; /* 0x0138 */ - uint32_t ars[16]; /* 0x0140 */ - uint64_t crs[16]; /* 0x0384 */ -} SigpSaveArea; -QEMU_BUILD_BUG_ON(sizeof(SigpSaveArea) != 512); - -int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch) -{ - static const uint8_t ar_id = 1; - SigpSaveArea *sa; - hwaddr len = sizeof(*sa); - int i; - - /* For PVMs storing will occur when this cpu enters SIE again */ - if (s390_is_pv()) { - return 0; - } - - sa = cpu_physical_memory_map(addr, &len, true); - if (!sa) { - return -EFAULT; - } - if (len != sizeof(*sa)) { - cpu_physical_memory_unmap(sa, len, 1, 0); - return -EFAULT; - } - - if (store_arch) { - cpu_physical_memory_write(offsetof(LowCore, ar_access_id), &ar_id, 1); - } - for (i = 0; i < 16; ++i) { - sa->fprs[i] = cpu_to_be64(*get_freg(&cpu->env, i)); - } - for (i = 0; i < 16; ++i) { - sa->grs[i] = cpu_to_be64(cpu->env.regs[i]); - } - sa->psw.addr = cpu_to_be64(cpu->env.psw.addr); - sa->psw.mask = cpu_to_be64(s390_cpu_get_psw_mask(&cpu->env)); - sa->prefix = cpu_to_be32(cpu->env.psa); - sa->fpc = cpu_to_be32(cpu->env.fpc); - sa->todpr = cpu_to_be32(cpu->env.todpr); - sa->cputm = cpu_to_be64(cpu->env.cputm); - sa->ckc = cpu_to_be64(cpu->env.ckc >> 8); - for (i = 0; i < 16; ++i) { - sa->ars[i] = cpu_to_be32(cpu->env.aregs[i]); - } - for (i = 0; i < 16; ++i) { - sa->crs[i] = cpu_to_be64(cpu->env.cregs[i]); - } - - cpu_physical_memory_unmap(sa, len, 1, len); - - return 0; -} - -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; - int i; - - sa = cpu_physical_memory_map(addr, &save, true); - if (!sa) { - return -EFAULT; - } - if (save != len) { - cpu_physical_memory_unmap(sa, len, 1, 0); - return -EFAULT; - } - - if (s390_has_feat(S390_FEAT_VECTOR)) { - for (i = 0; i < 32; i++) { - sa->vregs[i][0] = cpu_to_be64(cpu->env.vregs[i][0]); - sa->vregs[i][1] = cpu_to_be64(cpu->env.vregs[i][1]); - } - } - if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) { - for (i = 0; i < 4; i++) { - sa->gscb[i] = cpu_to_be64(cpu->env.gscb[i]); - } - } - - cpu_physical_memory_unmap(sa, len, 1, len); - return 0; -} |