diff options
| author | David Hildenbrand <david@redhat.com> | 2017-09-28 22:36:52 +0200 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2017-10-20 13:32:10 +0200 |
| commit | f875cb0c2180e182585dc00151e2cf74d20e7c8c (patch) | |
| tree | 6c61ac8c3f7a9507d09149f344c06b1fc01aeea2 /target/s390x/kvm.c | |
| parent | cf729baaec3fceff31ea8f41e34fbc7e2475916d (diff) | |
s390x/kvm: factor out storing of adtl CPU status
Called from SIGP code to be factored out, so let's move it. Add a
FIXME for TCG code in the future.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170928203708.9376-15-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x/kvm.c')
| -rw-r--r-- | target/s390x/kvm.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index aeea355cf3..bf6740df56 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -1556,34 +1556,6 @@ static void sigp_stop(CPUState *cs, run_on_cpu_data arg) si->cc = SIGP_CC_ORDER_CODE_ACCEPTED; } -#define ADTL_GS_OFFSET 1024 /* offset of GS data in adtl save area */ -#define ADTL_GS_MIN_SIZE 2048 /* minimal size of adtl save area for GS */ -static int do_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len) -{ - hwaddr save = len; - void *mem; - - mem = cpu_physical_memory_map(addr, &save, 1); - if (!mem) { - return -EFAULT; - } - if (save != len) { - cpu_physical_memory_unmap(mem, len, 1, 0); - return -EFAULT; - } - - if (s390_has_feat(S390_FEAT_VECTOR)) { - memcpy(mem, &cpu->env.vregs, 512); - } - if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) { - memcpy(mem + ADTL_GS_OFFSET, &cpu->env.gscb, 32); - } - - cpu_physical_memory_unmap(mem, len, 1, len); - - return 0; -} - static void sigp_stop_and_store_status(CPUState *cs, run_on_cpu_data arg) { S390CPU *cpu = S390_CPU(cs); @@ -1676,7 +1648,7 @@ static void sigp_store_adtl_status(CPUState *cs, run_on_cpu_data arg) cpu_synchronize_state(cs); - if (do_store_adtl_status(cpu, addr, len)) { + if (s390_store_adtl_status(cpu, addr, len)) { set_sigp_status(si, SIGP_STAT_INVALID_PARAMETER); return; } |