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/*
* Copyright (c) 2018 Agustina Arzille.
* Copyright (c) 2018 Richard Braun.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Architecture-specific code may override any of the type-specific
* functions by defining a macro of the same name.
*/
#ifndef KERN_LATOMIC_I_H
#define KERN_LATOMIC_I_H
#include <stdbool.h>
#include <stdint.h>
#include <kern/atomic_types.h>
#include <kern/macros.h>
#include <machine/latomic.h>
#define LATOMIC_ALIGN(ptr) MIN(sizeof(*(ptr)), sizeof(ptr))
#define latomic_ptr_aligned(ptr) P2ALIGNED((uintptr_t)(ptr), LATOMIC_ALIGN(ptr))
/* See atomic_select */
#define latomic_select(ptr, op) \
_Generic(*(ptr), \
float: latomic_invalid_type, \
double: latomic_invalid_type, \
long double: latomic_invalid_type, \
bool: latomic_invalid_type, \
char: latomic_invalid_type, \
signed char: latomic_invalid_type, \
unsigned char: latomic_invalid_type, \
short: latomic_invalid_type, \
unsigned short: latomic_invalid_type, \
int: latomic_ ## op ## _32, \
unsigned int: latomic_ ## op ## _32, \
long: latomic_ ## op ## _ul, \
unsigned long: latomic_ ## op ## _ul, \
long long: latomic_ ## op ## _64, \
unsigned long long: latomic_ ## op ## _64, \
default: latomic_ ## op ## _ptr)
void latomic_invalid_type(void);
/* latomic_load */
#ifndef latomic_load_32
unsigned int latomic_load_32(union atomic_constptr_32 ptr, int memorder);
#endif /* latomic_load_32 */
#ifndef latomic_load_64
#ifdef __LP64__
unsigned long long latomic_load_64(union atomic_constptr_64 ptr, int memorder);
#else /* __LP64__ */
unsigned long long latomic_load_64(union atomic_constptr_64 ptr, int memorder);
#endif /* __LP64__ */
#endif /* latomic_load_64 */
#ifdef __LP64__
#define latomic_load_ul latomic_load_64
#else /* __LP64__ */
#define latomic_load_ul latomic_load_32
#endif /* __LP64__ */
#define latomic_load_ptr latomic_load_ul
/* latomic_store */
#ifndef latomic_store_32
void latomic_store_32(union atomic_ptr_32 ptr, union atomic_val_32 val,
int memorder);
#endif /* latomic_store_32 */
#ifndef latomic_store_64
#ifdef __LP64__
void latomic_store_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#else /* __LP64__ */
void latomic_store_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#endif /* __LP64__ */
#endif /* latomic_store_64 */
#ifdef __LP64__
#define latomic_store_ul latomic_store_64
#else /* __LP64__ */
#define latomic_store_ul latomic_store_32
#endif /* __LP64__ */
#define latomic_store_ptr latomic_store_ul
/* latomic_swap */
#ifndef latomic_swap_32
unsigned int latomic_swap_32(union atomic_ptr_32 ptr,
union atomic_val_32 val, int memorder);
#endif /* latomic_swap_32 */
#ifndef latomic_swap_64
unsigned long long latomic_swap_64(union atomic_ptr_64 ptr,
union atomic_val_64 val, int memorder);
#endif /* latomic_swap_64 */
#ifdef __LP64__
#define latomic_swap_ul latomic_swap_64
#else /* __LP64__ */
#define latomic_swap_ul latomic_swap_32
#endif /* __LP64__ */
#define latomic_swap_ptr latomic_swap_ul
/* latomic_cas */
#ifndef latomic_cas_32
unsigned int latomic_cas_32(union atomic_ptr_32 ptr, union atomic_val_32 oval,
union atomic_val_32 nval, int memorder);
#endif /* latomic_cas_32 */
#ifndef latomic_cas_64
unsigned long long latomic_cas_64(union atomic_ptr_64 ptr,
union atomic_val_64 oval,
union atomic_val_64 nval, int memorder);
#endif /* latomic_cas_64 */
#ifdef __LP64__
#define latomic_cas_ul latomic_cas_64
#else /* __LP64__ */
#define latomic_cas_ul latomic_cas_32
#endif /* __LP64__ */
#define latomic_cas_ptr latomic_cas_ul
/* latomic_fetch_add */
#ifndef latomic_fetch_add_32
unsigned int latomic_fetch_add_32(union atomic_ptr_32 ptr,
union atomic_val_32 val, int memorder);
#endif /* latomic_fetch_add_32 */
#ifndef latomic_fetch_add_64
unsigned long long latomic_fetch_add_64(union atomic_ptr_64 ptr,
union atomic_val_64 val, int memorder);
#endif /* latomic_fetch_add_64 */
#ifdef __LP64__
#define latomic_fetch_add_ul latomic_fetch_add_64
#else /* __LP64__ */
#define latomic_fetch_add_ul latomic_fetch_add_32
#endif /* __LP64__ */
#define latomic_fetch_add_ptr latomic_fetch_add_ul
/* latomic_fetch_sub */
#ifndef latomic_fetch_sub_32
unsigned int latomic_fetch_sub_32(union atomic_ptr_32 ptr,
union atomic_val_32 val, int memorder);
#endif /* latomic_fetch_sub_32 */
#ifndef latomic_fetch_sub_64
unsigned long long latomic_fetch_sub_64(union atomic_ptr_64 ptr,
union atomic_val_64 val, int memorder);
#endif /* latomic_fetch_sub_64 */
#ifdef __LP64__
#define latomic_fetch_sub_ul latomic_fetch_sub_64
#else /* __LP64__ */
#define latomic_fetch_sub_ul latomic_fetch_sub_32
#endif /* __LP64__ */
#define latomic_fetch_sub_ptr latomic_fetch_sub_ul
/* latomic_fetch_and */
#ifndef latomic_fetch_and_32
unsigned int latomic_fetch_and_32(union atomic_ptr_32 ptr,
union atomic_val_32 val, int memorder);
#endif /* latomic_fetch_and_32 */
#ifndef latomic_fetch_and_64
unsigned long long latomic_fetch_and_64(union atomic_ptr_64 ptr,
union atomic_val_64 val, int memorder);
#endif /* latomic_fetch_and_64 */
#ifdef __LP64__
#define latomic_fetch_and_ul latomic_fetch_and_64
#else /* __LP64__ */
#define latomic_fetch_and_ul latomic_fetch_and_32
#endif /* __LP64__ */
#define latomic_fetch_and_ptr latomic_fetch_and_ul
/* latomic_fetch_or */
#ifndef latomic_fetch_or_32
unsigned int latomic_fetch_or_32(union atomic_ptr_32 ptr,
union atomic_val_32 val, int memorder);
#endif /* latomic_fetch_or_32 */
#ifndef latomic_fetch_or_64
unsigned long long latomic_fetch_or_64(union atomic_ptr_64 ptr,
union atomic_val_64 val, int memorder);
#endif /* latomic_fetch_or_64 */
#ifdef __LP64__
#define latomic_fetch_or_ul latomic_fetch_or_64
#else /* __LP64__ */
#define latomic_fetch_or_ul latomic_fetch_or_32
#endif /* __LP64__ */
#define latomic_fetch_or_ptr latomic_fetch_or_ul
/* latomic_fetch_xor */
#ifndef latomic_fetch_xor_32
unsigned int latomic_fetch_xor_32(union atomic_ptr_32 ptr,
union atomic_val_32 val, int memorder);
#endif /* latomic_fetch_xor_32 */
#ifndef latomic_fetch_xor_64
unsigned long long latomic_fetch_xor_64(union atomic_ptr_64 ptr,
union atomic_val_64 val, int memorder);
#endif /* latomic_fetch_xor_64 */
#ifdef __LP64__
#define latomic_fetch_xor_ul latomic_fetch_xor_64
#else /* __LP64__ */
#define latomic_fetch_xor_ul latomic_fetch_xor_32
#endif /* __LP64__ */
#define latomic_fetch_xor_ptr latomic_fetch_xor_ul
/* latomic_add */
#ifndef latomic_add_32
void latomic_add_32(union atomic_ptr_32 ptr, union atomic_val_32 val,
int memorder);
#endif /* latomic_add_32 */
#ifndef latomic_add_64
void latomic_add_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#endif /* latomic_add_64 */
#ifdef __LP64__
#define latomic_add_ul latomic_add_64
#else /* __LP64__ */
#define latomic_add_ul latomic_add_32
#endif /* __LP64__ */
#define latomic_add_ptr latomic_add_ul
/* latomic_sub */
#ifndef latomic_sub_32
void latomic_sub_32(union atomic_ptr_32 ptr, union atomic_val_32 val,
int memorder);
#endif /* latomic_sub_32 */
#ifndef latomic_sub_64
void latomic_sub_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#endif /* latomic_sub_64 */
#ifdef __LP64__
#define latomic_sub_ul latomic_sub_64
#else /* __LP64__ */
#define latomic_sub_ul latomic_sub_32
#endif /* __LP64__ */
#define latomic_sub_ptr latomic_sub_ul
/* latomic_and */
#ifndef latomic_and_32
void latomic_and_32(union atomic_ptr_32 ptr, union atomic_val_32 val,
int memorder);
#endif /* latomic_and_32 */
#ifndef latomic_and_64
void latomic_and_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#endif /* latomic_and_64 */
#ifdef __LP64__
#define latomic_and_ul latomic_and_64
#else /* __LP64__ */
#define latomic_and_ul latomic_and_32
#endif /* __LP64__ */
#define latomic_and_ptr latomic_and_ul
/* latomic_or */
#ifndef latomic_or_32
void latomic_or_32(union atomic_ptr_32 ptr, union atomic_val_32 val,
int memorder);
#endif /* latomic_or_32 */
#ifndef latomic_or_64
void latomic_or_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#endif /* latomic_or_64 */
#ifdef __LP64__
#define latomic_or_ul latomic_or_64
#else /* __LP64__ */
#define latomic_or_ul latomic_or_32
#endif /* __LP64__ */
#define latomic_or_ptr latomic_or_ul
/* latomic_xor */
#ifndef latomic_xor_32
void latomic_xor_32(union atomic_ptr_32 ptr, union atomic_val_32 val,
int memorder);
#endif /* latomic_xor_32 */
#ifndef latomic_xor_64
void latomic_xor_64(union atomic_ptr_64 ptr, union atomic_val_64 val,
int memorder);
#endif /* latomic_xor_64 */
#ifdef __LP64__
#define latomic_xor_ul latomic_xor_64
#else /* __LP64__ */
#define latomic_xor_ul latomic_xor_32
#endif /* __LP64__ */
#define latomic_xor_ptr latomic_xor_ul
#endif /* KERN_LATOMIC_I_H */
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