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| author | Thomas Huth <thuth@linux.vnet.ibm.com> | 2015-02-12 18:09:37 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-02-18 09:37:15 +0100 |
| commit | b7b6348ab433519f16c1500e3ea04805428be91e (patch) | |
| tree | 5c74614a02a6870cd4a5b646f5426344e9365ef3 /target-s390x/cpu.h | |
| parent | 653b080960578c25ed88f7e6c5b7ec65d4fe1648 (diff) | |
| download | qemu-b7b6348ab433519f16c1500e3ea04805428be91e.tar.gz | |
s390x/ioinst: Rework memory access in TSCH instruction
Change the TSCH handler to use the new logical memory access functions.
Since the channel should not be updated in case of a protection or access
exception while writing to the guest memory, the css_do_tsch() has to be
split up into two parts, one for retrieving the IRB and one for the update.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'target-s390x/cpu.h')
| -rw-r--r-- | target-s390x/cpu.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index 7180d68429..7c07ca6304 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -455,7 +455,8 @@ int css_do_xsch(SubchDev *sch); int css_do_csch(SubchDev *sch); int css_do_hsch(SubchDev *sch); int css_do_ssch(SubchDev *sch, ORB *orb); -int css_do_tsch(SubchDev *sch, IRB *irb); +int css_do_tsch_get_irb(SubchDev *sch, IRB *irb, int *irb_len); +void css_do_tsch_update_subch(SubchDev *sch); int css_do_stcrw(CRW *crw); int css_do_tpi(IOIntCode *int_code, int lowcore); int css_collect_chp_desc(int m, uint8_t cssid, uint8_t f_chpid, uint8_t l_chpid, |