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authorAurelien Jarno <aurelien@aurel32.net>2015-06-13 00:45:54 +0200
committerAlexander Graf <agraf@suse.de>2015-06-17 12:40:51 +0200
commita8f931a931f8866abdb2f836d0fb6fb7d2606645 (patch)
tree4841d4b5799cb65e19339732e70fd29ee98892c0 /target-s390x
parentfb01bf4c6b86d9ac00ea87d60f97871ee1488188 (diff)
target-s390x: add get_per_atmid function
This function returns the ATMID field that is stored in the per_perc_atmid lowcore entry. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x')
-rw-r--r--target-s390x/cpu.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index c18d81b4c4..7cc96e7ca3 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -380,6 +380,18 @@ static inline int get_ilen(uint8_t opc)
#define PER_CODE_EVENT_STORE_REAL 0x0800
#define PER_CODE_EVENT_NULLIFICATION 0x0100
+/* Compute the ATMID field that is stored in the per_perc_atmid lowcore
+ entry when a PER exception is triggered. */
+static inline uint8_t get_per_atmid(CPUS390XState *env)
+{
+ return ((env->psw.mask & PSW_MASK_64) ? (1 << 7) : 0) |
+ ( (1 << 6) ) |
+ ((env->psw.mask & PSW_MASK_32) ? (1 << 5) : 0) |
+ ((env->psw.mask & PSW_MASK_DAT)? (1 << 4) : 0) |
+ ((env->psw.mask & PSW_ASC_SECONDARY)? (1 << 3) : 0) |
+ ((env->psw.mask & PSW_ASC_ACCREG)? (1 << 2) : 0);
+}
+
#ifndef CONFIG_USER_ONLY
/* In several cases of runtime exceptions, we havn't recorded the true
instruction length. Use these codes when raising exceptions in order