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target-s390x: add get_per_atmid function

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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>
This commit is contained in:
Aurelien Jarno 2015-06-13 00:45:54 +02:00 committed by Alexander Graf
parent fb01bf4c6b
commit a8f931a931
1 changed files with 12 additions and 0 deletions
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12
target-s390x/cpu.h
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@ -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