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| author | Alexander Graf <agraf@suse.de> | 2011-07-14 11:49:08 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2011-11-14 17:47:26 +0100 |
| commit | b995913853b98812845b1b82ac5f61ab31d2d7b0 (patch) | |
| tree | a6bc02d34a4da55714b194405837c2c84c324ed7 /target-s390x/cpu.h | |
| parent | 09ed75f7848522f5d6f7ccca4bc9d0ab76006142 (diff) | |
| download | qemu-b995913853b98812845b1b82ac5f61ab31d2d7b0.tar.gz | |
s390x: update R and C bits in storage key
When the s390x maps a page or writes happen to a page, the R and C
bits get updated. The easiest way to implement this in qemu is to
simply update them whenever we map a TLB translation and act according
to the permissions.
Signed-off-by: Alexander Graf <agraf@suse.de>
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 e192b50c73..95abe595b3 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -819,6 +819,10 @@ struct sysib_322 { #define _PAGE_RO 0x200 /* HW read-only bit */ #define _PAGE_INVALID 0x400 /* HW invalid bit */ +#define SK_C (0x1 << 1) +#define SK_R (0x1 << 2) +#define SK_F (0x1 << 3) +#define SK_ACC_MASK (0xf << 4) /* EBCDIC handling */ |