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/*===---- htmintrin.h - Standard header for PowerPC HTM ---------------===*\
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
\*===----------------------------------------------------------------------===*/
#ifndef __HTMINTRIN_H
#define __HTMINTRIN_H
#ifndef __HTM__
#error "HTM instruction set not enabled"
#endif
#ifdef __powerpc__
#include <stdint.h>
typedef uint64_t texasr_t;
typedef uint32_t texasru_t;
typedef uint32_t texasrl_t;
typedef uintptr_t tfiar_t;
typedef uintptr_t tfhar_t;
#define _HTM_STATE(CR0) ((CR0 >> 1) & 0x3)
#define _HTM_NONTRANSACTIONAL 0x0
#define _HTM_SUSPENDED 0x1
#define _HTM_TRANSACTIONAL 0x2
#define _TEXASR_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \
(((TEXASR) >> (63-(BITNUM))) & ((1<<(SIZE))-1))
#define _TEXASRU_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \
(((TEXASR) >> (31-(BITNUM))) & ((1<<(SIZE))-1))
#define _TEXASR_FAILURE_CODE(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 7, 8)
#define _TEXASRU_FAILURE_CODE(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 7, 8)
#define _TEXASR_FAILURE_PERSISTENT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 7, 1)
#define _TEXASRU_FAILURE_PERSISTENT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 7, 1)
#define _TEXASR_DISALLOWED(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 8, 1)
#define _TEXASRU_DISALLOWED(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 8, 1)
#define _TEXASR_NESTING_OVERFLOW(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 9, 1)
#define _TEXASRU_NESTING_OVERFLOW(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 9, 1)
#define _TEXASR_FOOTPRINT_OVERFLOW(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 10, 1)
#define _TEXASRU_FOOTPRINT_OVERFLOW(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 10, 1)
#define _TEXASR_SELF_INDUCED_CONFLICT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 11, 1)
#define _TEXASRU_SELF_INDUCED_CONFLICT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 11, 1)
#define _TEXASR_NON_TRANSACTIONAL_CONFLICT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 12, 1)
#define _TEXASRU_NON_TRANSACTIONAL_CONFLICT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 12, 1)
#define _TEXASR_TRANSACTION_CONFLICT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 13, 1)
#define _TEXASRU_TRANSACTION_CONFLICT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 13, 1)
#define _TEXASR_TRANSLATION_INVALIDATION_CONFLICT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 14, 1)
#define _TEXASRU_TRANSLATION_INVALIDATION_CONFLICT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 14, 1)
#define _TEXASR_IMPLEMENTAION_SPECIFIC(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 15, 1)
#define _TEXASRU_IMPLEMENTAION_SPECIFIC(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 15, 1)
#define _TEXASR_INSTRUCTION_FETCH_CONFLICT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 16, 1)
#define _TEXASRU_INSTRUCTION_FETCH_CONFLICT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 16, 1)
#define _TEXASR_ABORT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 31, 1)
#define _TEXASRU_ABORT(TEXASRU) \
_TEXASRU_EXTRACT_BITS(TEXASRU, 31, 1)
#define _TEXASR_SUSPENDED(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 32, 1)
#define _TEXASR_PRIVILEGE(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 35, 2)
#define _TEXASR_FAILURE_SUMMARY(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 36, 1)
#define _TEXASR_TFIAR_EXACT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 37, 1)
#define _TEXASR_ROT(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 38, 1)
#define _TEXASR_TRANSACTION_LEVEL(TEXASR) \
_TEXASR_EXTRACT_BITS(TEXASR, 63, 12)
#endif /* __powerpc */
#ifdef __s390__
/* Condition codes generated by tbegin */
#define _HTM_TBEGIN_STARTED 0
#define _HTM_TBEGIN_INDETERMINATE 1
#define _HTM_TBEGIN_TRANSIENT 2
#define _HTM_TBEGIN_PERSISTENT 3
/* The abort codes below this threshold are reserved for machine use. */
#define _HTM_FIRST_USER_ABORT_CODE 256
/* The transaction diagnostic block is it is defined in the Principles
of Operation chapter 5-91. */
struct __htm_tdb {
unsigned char format; /* 0 */
unsigned char flags;
unsigned char reserved1[4];
unsigned short nesting_depth;
unsigned long long abort_code; /* 8 */
unsigned long long conflict_token; /* 16 */
unsigned long long atia; /* 24 */
unsigned char eaid; /* 32 */
unsigned char dxc;
unsigned char reserved2[2];
unsigned int program_int_id;
unsigned long long exception_id; /* 40 */
unsigned long long bea; /* 48 */
unsigned char reserved3[72]; /* 56 */
unsigned long long gprs[16]; /* 128 */
} __attribute__((__packed__, __aligned__ (8)));
/* Helper intrinsics to retry tbegin in case of transient failure. */
static __inline int __attribute__((__always_inline__, __nodebug__))
__builtin_tbegin_retry_null (int retry)
{
int cc, i = 0;
while ((cc = __builtin_tbegin(0)) == _HTM_TBEGIN_TRANSIENT
&& i++ < retry)
__builtin_tx_assist(i);
return cc;
}
static __inline int __attribute__((__always_inline__, __nodebug__))
__builtin_tbegin_retry_tdb (void *tdb, int retry)
{
int cc, i = 0;
while ((cc = __builtin_tbegin(tdb)) == _HTM_TBEGIN_TRANSIENT
&& i++ < retry)
__builtin_tx_assist(i);
return cc;
}
#define __builtin_tbegin_retry(tdb, retry) \
(__builtin_constant_p(tdb == 0) && tdb == 0 ? \
__builtin_tbegin_retry_null(retry) : \
__builtin_tbegin_retry_tdb(tdb, retry))
static __inline int __attribute__((__always_inline__, __nodebug__))
__builtin_tbegin_retry_nofloat_null (int retry)
{
int cc, i = 0;
while ((cc = __builtin_tbegin_nofloat(0)) == _HTM_TBEGIN_TRANSIENT
&& i++ < retry)
__builtin_tx_assist(i);
return cc;
}
static __inline int __attribute__((__always_inline__, __nodebug__))
__builtin_tbegin_retry_nofloat_tdb (void *tdb, int retry)
{
int cc, i = 0;
while ((cc = __builtin_tbegin_nofloat(tdb)) == _HTM_TBEGIN_TRANSIENT
&& i++ < retry)
__builtin_tx_assist(i);
return cc;
}
#define __builtin_tbegin_retry_nofloat(tdb, retry) \
(__builtin_constant_p(tdb == 0) && tdb == 0 ? \
__builtin_tbegin_retry_nofloat_null(retry) : \
__builtin_tbegin_retry_nofloat_tdb(tdb, retry))
#endif /* __s390__ */
#endif /* __HTMINTRIN_H */
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