97 lines
1.8 KiB
C
97 lines
1.8 KiB
C
/*
|
|
* Copyright 2015, Michael Ellerman, IBM Corp.
|
|
* Licensed under GPLv2.
|
|
*/
|
|
|
|
#ifndef _SELFTESTS_POWERPC_TM_TM_H
|
|
#define _SELFTESTS_POWERPC_TM_TM_H
|
|
|
|
#include <asm/tm.h>
|
|
#include <asm/cputable.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "utils.h"
|
|
|
|
static inline bool have_htm(void)
|
|
{
|
|
#ifdef PPC_FEATURE2_HTM
|
|
return have_hwcap2(PPC_FEATURE2_HTM);
|
|
#else
|
|
printf("PPC_FEATURE2_HTM not defined, can't check AT_HWCAP2\n");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static inline bool have_htm_nosc(void)
|
|
{
|
|
#ifdef PPC_FEATURE2_HTM_NOSC
|
|
return have_hwcap2(PPC_FEATURE2_HTM_NOSC);
|
|
#else
|
|
printf("PPC_FEATURE2_HTM_NOSC not defined, can't check AT_HWCAP2\n");
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static inline long failure_code(void)
|
|
{
|
|
return __builtin_get_texasru() >> 24;
|
|
}
|
|
|
|
static inline bool failure_is_persistent(void)
|
|
{
|
|
return (failure_code() & TM_CAUSE_PERSISTENT) == TM_CAUSE_PERSISTENT;
|
|
}
|
|
|
|
static inline bool failure_is_syscall(void)
|
|
{
|
|
return (failure_code() & TM_CAUSE_SYSCALL) == TM_CAUSE_SYSCALL;
|
|
}
|
|
|
|
static inline bool failure_is_unavailable(void)
|
|
{
|
|
return (failure_code() & TM_CAUSE_FAC_UNAV) == TM_CAUSE_FAC_UNAV;
|
|
}
|
|
|
|
static inline bool failure_is_reschedule(void)
|
|
{
|
|
if ((failure_code() & TM_CAUSE_RESCHED) == TM_CAUSE_RESCHED ||
|
|
(failure_code() & TM_CAUSE_KVM_RESCHED) == TM_CAUSE_KVM_RESCHED)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static inline bool failure_is_nesting(void)
|
|
{
|
|
return (__builtin_get_texasru() & 0x400000);
|
|
}
|
|
|
|
static inline int tcheck(void)
|
|
{
|
|
long cr;
|
|
asm volatile ("tcheck 0" : "=r"(cr) : : "cr0");
|
|
return (cr >> 28) & 4;
|
|
}
|
|
|
|
static inline bool tcheck_doomed(void)
|
|
{
|
|
return tcheck() & 8;
|
|
}
|
|
|
|
static inline bool tcheck_active(void)
|
|
{
|
|
return tcheck() & 4;
|
|
}
|
|
|
|
static inline bool tcheck_suspended(void)
|
|
{
|
|
return tcheck() & 2;
|
|
}
|
|
|
|
static inline bool tcheck_transactional(void)
|
|
{
|
|
return tcheck() & 6;
|
|
}
|
|
|
|
#endif /* _SELFTESTS_POWERPC_TM_TM_H */
|