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target-s390x: add a tod2time function

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Add a tod2time function similar to the time2tod one, instead of open
coding the conversion.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aurelien Jarno 2015-05-18 23:42:25 +02:00 committed by Alexander Graf
parent a91a1b20a2
commit 9cb32c442e
2 changed files with 7 additions and 2 deletions
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5
target-s390x/cpu.h
View File

@ -995,6 +995,11 @@ static inline uint64_t time2tod(uint64_t ns) {
return (ns << 9) / 125;
}
/* Converts s390's clock format to ns */
static inline uint64_t tod2time(uint64_t t) {
return (t * 125) >> 9;
}
static inline void cpu_inject_ext(S390CPU *cpu, uint32_t code, uint32_t param,
uint64_t param64)
{

4
target-s390x/misc_helper.c
View File

@ -294,7 +294,7 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time)
/* difference between now and then */
time -= clock_value(env);
/* nanoseconds */
time = (time * 125) >> 9;
time = tod2time(time);
timer_mod(env->tod_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
}
@ -314,7 +314,7 @@ void HELPER(spt)(CPUS390XState *env, uint64_t time)
}
/* nanoseconds */
time = (time * 125) >> 9;
time = tod2time(time);
timer_mod(env->cpu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
}