You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
214 lines
5.5 KiB
214 lines
5.5 KiB
/*
|
|
* Copyright 2009, 2010 Samy Al Bahra.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _CK_PR_SPARCV9_H
|
|
#define _CK_PR_SPARCV9_H
|
|
|
|
#ifndef _CK_PR_H
|
|
#error Do not include this file directly, use ck_pr.h
|
|
#endif
|
|
|
|
#include <ck_cc.h>
|
|
|
|
/*
|
|
* The following represent supported atomic operations.
|
|
* These operations may be emulated.
|
|
*/
|
|
#include "ck_f_pr.h"
|
|
|
|
/*
|
|
* Order loads at the least.
|
|
*/
|
|
CK_CC_INLINE static void
|
|
ck_pr_stall(void)
|
|
{
|
|
|
|
__asm__ __volatile__("membar #LoadLoad" ::: "memory");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We must assume RMO.
|
|
*/
|
|
#define CK_PR_FENCE(T, I) \
|
|
CK_CC_INLINE static void \
|
|
ck_pr_fence_strict_##T(void) \
|
|
{ \
|
|
__asm__ __volatile__(I ::: "memory"); \
|
|
} \
|
|
CK_CC_INLINE static void ck_pr_fence_##T(void) \
|
|
{ \
|
|
__asm__ __volatile__(I ::: "memory"); \
|
|
}
|
|
|
|
CK_PR_FENCE(load_depends, "")
|
|
CK_PR_FENCE(store, "membar #StoreStore")
|
|
CK_PR_FENCE(load, "membar #LoadLoad")
|
|
CK_PR_FENCE(memory, "membar #MemIssue")
|
|
|
|
#undef CK_PR_FENCE
|
|
|
|
#define CK_PR_LOAD(S, M, T, C, I) \
|
|
CK_CC_INLINE static T \
|
|
ck_pr_load_##S(M *target) \
|
|
{ \
|
|
T r; \
|
|
__asm__ __volatile__(I " [%1], %0" \
|
|
: "=&r" (r) \
|
|
: "r" (target) \
|
|
: "memory"); \
|
|
return (r); \
|
|
}
|
|
|
|
CK_PR_LOAD(ptr, void, void *, uint64_t, "ldx")
|
|
|
|
#define CK_PR_LOAD_S(S, T, I) CK_PR_LOAD(S, T, T, T, I)
|
|
|
|
CK_PR_LOAD_S(64, uint64_t, "ldx")
|
|
CK_PR_LOAD_S(32, uint32_t, "lduw")
|
|
CK_PR_LOAD_S(uint, unsigned int, "lduw")
|
|
CK_PR_LOAD_S(double, double, "ldx")
|
|
CK_PR_LOAD_S(int, int, "ldsw")
|
|
|
|
#undef CK_PR_LOAD_S
|
|
#undef CK_PR_LOAD
|
|
|
|
#define CK_PR_STORE(S, M, T, C, I) \
|
|
CK_CC_INLINE static void \
|
|
ck_pr_store_##S(M *target, T v) \
|
|
{ \
|
|
__asm__ __volatile__(I " %0, [%1]" \
|
|
: \
|
|
: "r" (v), \
|
|
"r" (target) \
|
|
: "memory"); \
|
|
return; \
|
|
}
|
|
|
|
CK_PR_STORE(ptr, void, void *, uint64_t, "stx")
|
|
|
|
#define CK_PR_STORE_S(S, T, I) CK_PR_STORE(S, T, T, T, I)
|
|
|
|
CK_PR_STORE_S(8, uint8_t, "stub")
|
|
CK_PR_STORE_S(64, uint64_t, "stx")
|
|
CK_PR_STORE_S(32, uint32_t, "stuw")
|
|
CK_PR_STORE_S(uint, unsigned int, "stuw")
|
|
CK_PR_STORE_S(double, double, "stx")
|
|
CK_PR_STORE_S(int, int, "stsw")
|
|
|
|
#undef CK_PR_STORE_S
|
|
#undef CK_PR_STORE
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_pr_cas_64_value(uint64_t *target, uint64_t compare, uint64_t set, uint64_t *value)
|
|
{
|
|
|
|
__asm__ __volatile__("casx [%1], %2, %0"
|
|
: "+&r" (set)
|
|
: "r" (target),
|
|
"r" (compare)
|
|
: "memory");
|
|
|
|
*value = set;
|
|
return (compare == set);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_pr_cas_64(uint64_t *target, uint64_t compare, uint64_t set)
|
|
{
|
|
|
|
__asm__ __volatile__("casx [%1], %2, %0"
|
|
: "+&r" (set)
|
|
: "r" (target),
|
|
"r" (compare)
|
|
: "memory");
|
|
|
|
return (compare == set);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_pr_cas_ptr(void *target, void *compare, void *set)
|
|
{
|
|
|
|
return ck_pr_cas_64(target, (uint64_t)compare, (uint64_t)set);
|
|
}
|
|
|
|
CK_CC_INLINE static bool
|
|
ck_pr_cas_ptr_value(void *target, void *compare, void *set, void *previous)
|
|
{
|
|
|
|
return ck_pr_cas_64_value(target, (uint64_t)compare, (uint64_t)set, previous);
|
|
}
|
|
|
|
#define CK_PR_CAS(N, T) \
|
|
CK_CC_INLINE static bool \
|
|
ck_pr_cas_##N##_value(T *target, T compare, T set, T *value) \
|
|
{ \
|
|
__asm__ __volatile__("cas [%1], %2, %0" \
|
|
: "+&r" (set) \
|
|
: "r" (target), \
|
|
"r" (compare) \
|
|
: "memory"); \
|
|
*value = set; \
|
|
return (compare == set); \
|
|
} \
|
|
CK_CC_INLINE static bool \
|
|
ck_pr_cas_##N(T *target, T compare, T set) \
|
|
{ \
|
|
__asm__ __volatile__("cas [%1], %2, %0" \
|
|
: "+&r" (set) \
|
|
: "r" (target), \
|
|
"r" (compare) \
|
|
: "memory"); \
|
|
return (compare == set); \
|
|
}
|
|
|
|
CK_PR_CAS(32, uint32_t)
|
|
CK_PR_CAS(uint, unsigned int)
|
|
CK_PR_CAS(int, int)
|
|
|
|
#undef CK_PR_CAS
|
|
|
|
#define CK_PR_FAS(N, T) \
|
|
CK_CC_INLINE static T \
|
|
ck_pr_fas_##N(T *target, T update) \
|
|
{ \
|
|
\
|
|
__asm__ __volatile__("swap [%1], %0" \
|
|
: "+&r" (update) \
|
|
: "r" (target) \
|
|
: "memory"); \
|
|
return (update); \
|
|
}
|
|
|
|
CK_PR_FAS(int, int)
|
|
CK_PR_FAS(uint, unsigned int)
|
|
CK_PR_FAS(32, uint32_t)
|
|
|
|
#undef CK_PR_FAS
|
|
|
|
#endif /* _CK_PR_SPARCV9_H */
|