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| author | Thomas Huth <thuth@linux.vnet.ibm.com> | 2014-04-25 15:37:19 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-05-07 10:17:35 +0200 |
| commit | c4400206d43b6a235299c7047cca0af93269fc03 (patch) | |
| tree | 4e2f65ba44e4bb428aca4924356e73acd71aeb0c /target-s390x/cpu.h | |
| parent | 422f32c5b12e392676017e637a0ebeaae194faab (diff) | |
| download | qemu-c4400206d43b6a235299c7047cca0af93269fc03.tar.gz | |
s390x/helper: Added format control bit to MMU translation
With the EDAT-1 facility, the MMU translation can stop at the
segment table already, pointing to a 1 MB block. And while we're
at it, move the page table entry handling to a separate function,
too, as suggested by Alexander Graf.
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'target-s390x/cpu.h')
| -rw-r--r-- | target-s390x/cpu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index 41903a93fb..aad277af49 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -270,6 +270,9 @@ typedef struct CPUS390XState { #define FLAG_MASK_64 (PSW_MASK_64 >> 32) #define FLAG_MASK_32 0x00001000 +/* Control register 0 bits */ +#define CR0_EDAT 0x0000000000800000ULL + static inline int cpu_mmu_index (CPUS390XState *env) { if (env->psw.mask & PSW_MASK_PSTATE) { @@ -927,6 +930,7 @@ struct sysib_322 { #define _REGION_ENTRY_LENGTH 0x03 /* region third length */ #define _SEGMENT_ENTRY_ORIGIN ~0x7ffULL /* segment table origin */ +#define _SEGMENT_ENTRY_FC 0x400 /* format control */ #define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */ #define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */ |