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ck_pr: First cut 32-bit ARM port.

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Contributed by Olivier Houchard <cognet@freebsd>.

Signed-off-by: Samy Al Bahra <sbahra@repnop.org>
ck_pring
Samy Al Bahra 11 years ago
parent 6c4074aaf3
commit 1c97766039
5 changed files with 562 additions and 0 deletions
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1
build/ck.build.arm
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CFLAGS+= -D__arm__

7
configure vendored
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@ -392,6 +392,13 @@ case $PLATFORM in
PLATFORM=ppc64
ENVIRONMENT=64
;;
"arm")
RTM_ENABLE="CK_MD_RTM_DISABLE"
MM="${MM:-"CK_MD_RMO"}"
PLATFORM=arm
ENVIRONMENT=32
;;
*)
RTM_ENABLE="CK_MD_RTM_DISABLE"
PLATFORM=

2
include/ck_pr.h
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@ -44,6 +44,8 @@
#include "gcc/ppc64/ck_pr.h"
#elif defined(__ppc__)
#include "gcc/ppc/ck_pr.h"
#elif defined(__arm__)
#include "gcc/arm/ck_pr.h"
#elif !defined(__GNUC__)
#error Your platform is unsupported
#endif

144
include/gcc/arm/ck_f_pr.h
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/* DO NOT EDIT. This is auto-generated from feature.sh */
#define CK_F_PR_ADD_16
#define CK_F_PR_ADD_32
#define CK_F_PR_ADD_8
#define CK_F_PR_ADD_CHAR
#define CK_F_PR_ADD_INT
#define CK_F_PR_ADD_PTR
#define CK_F_PR_ADD_SHORT
#define CK_F_PR_ADD_UINT
#define CK_F_PR_AND_16
#define CK_F_PR_AND_32
#define CK_F_PR_AND_8
#define CK_F_PR_AND_CHAR
#define CK_F_PR_AND_INT
#define CK_F_PR_AND_PTR
#define CK_F_PR_AND_SHORT
#define CK_F_PR_AND_UINT
#define CK_F_PR_BARRIER
#define CK_F_PR_CAS_16
#define CK_F_PR_CAS_16_VALUE
#define CK_F_PR_CAS_32
#define CK_F_PR_CAS_32_VALUE
#define CK_F_PR_CAS_8
#define CK_F_PR_CAS_8_VALUE
#define CK_F_PR_CAS_CHAR
#define CK_F_PR_CAS_CHAR_VALUE
#define CK_F_PR_CAS_INT
#define CK_F_PR_CAS_INT_VALUE
#define CK_F_PR_CAS_PTR
#define CK_F_PR_CAS_PTR_VALUE
#define CK_F_PR_CAS_SHORT
#define CK_F_PR_CAS_SHORT_VALUE
#define CK_F_PR_CAS_UINT
#define CK_F_PR_CAS_UINT_VALUE
#define CK_F_PR_DEC_16
#define CK_F_PR_DEC_32
#define CK_F_PR_DEC_8
#define CK_F_PR_DEC_CHAR
#define CK_F_PR_DEC_INT
#define CK_F_PR_DEC_PTR
#define CK_F_PR_DEC_SHORT
#define CK_F_PR_DEC_UINT
#define CK_F_PR_FAA_16
#define CK_F_PR_FAA_32
#define CK_F_PR_FAA_8
#define CK_F_PR_FAA_CHAR
#define CK_F_PR_FAA_INT
#define CK_F_PR_FAA_PTR
#define CK_F_PR_FAA_SHORT
#define CK_F_PR_FAA_UINT
#define CK_F_PR_FAS_16
#define CK_F_PR_FAS_32
#define CK_F_PR_FAS_8
#define CK_F_PR_FAS_CHAR
#define CK_F_PR_FAS_INT
#define CK_F_PR_FAS_PTR
#define CK_F_PR_FAS_SHORT
#define CK_F_PR_FAS_UINT
#define CK_F_PR_FENCE_ATOMIC
#define CK_F_PR_FENCE_ATOMIC_LOAD
#define CK_F_PR_FENCE_ATOMIC_STORE
#define CK_F_PR_FENCE_LOAD
#define CK_F_PR_FENCE_LOAD_ATOMIC
#define CK_F_PR_FENCE_LOAD_DEPENDS
#define CK_F_PR_FENCE_LOAD_STORE
#define CK_F_PR_FENCE_MEMORY
#define CK_F_PR_FENCE_STORE
#define CK_F_PR_FENCE_STORE_ATOMIC
#define CK_F_PR_FENCE_STORE_LOAD
#define CK_F_PR_FENCE_STRICT_ATOMIC
#define CK_F_PR_FENCE_STRICT_ATOMIC_LOAD
#define CK_F_PR_FENCE_STRICT_ATOMIC_STORE
#define CK_F_PR_FENCE_STRICT_LOAD
#define CK_F_PR_FENCE_STRICT_LOAD_ATOMIC
#define CK_F_PR_FENCE_STRICT_LOAD_STORE
#define CK_F_PR_FENCE_STRICT_MEMORY
#define CK_F_PR_FENCE_STRICT_STORE
#define CK_F_PR_FENCE_STRICT_STORE_ATOMIC
#define CK_F_PR_FENCE_STRICT_STORE_LOAD
#define CK_F_PR_INC_16
#define CK_F_PR_INC_32
#define CK_F_PR_INC_8
#define CK_F_PR_INC_CHAR
#define CK_F_PR_INC_INT
#define CK_F_PR_INC_PTR
#define CK_F_PR_INC_SHORT
#define CK_F_PR_INC_UINT
#define CK_F_PR_LOAD_16
#define CK_F_PR_LOAD_32
#define CK_F_PR_LOAD_8
#define CK_F_PR_LOAD_CHAR
#define CK_F_PR_LOAD_INT
#define CK_F_PR_LOAD_PTR
#define CK_F_PR_LOAD_SHORT
#define CK_F_PR_LOAD_UINT
#define CK_F_PR_NEG_16
#define CK_F_PR_NEG_32
#define CK_F_PR_NEG_8
#define CK_F_PR_NEG_CHAR
#define CK_F_PR_NEG_INT
#define CK_F_PR_NEG_PTR
#define CK_F_PR_NEG_SHORT
#define CK_F_PR_NEG_UINT
#define CK_F_PR_NOT_16
#define CK_F_PR_NOT_32
#define CK_F_PR_NOT_8
#define CK_F_PR_NOT_CHAR
#define CK_F_PR_NOT_INT
#define CK_F_PR_NOT_PTR
#define CK_F_PR_NOT_SHORT
#define CK_F_PR_NOT_UINT
#define CK_F_PR_OR_16
#define CK_F_PR_OR_32
#define CK_F_PR_OR_8
#define CK_F_PR_OR_CHAR
#define CK_F_PR_OR_INT
#define CK_F_PR_OR_PTR
#define CK_F_PR_OR_SHORT
#define CK_F_PR_OR_UINT
#define CK_F_PR_STALL
#define CK_F_PR_STORE_16
#define CK_F_PR_STORE_32
#define CK_F_PR_STORE_8
#define CK_F_PR_STORE_CHAR
#define CK_F_PR_STORE_INT
#define CK_F_PR_STORE_PTR
#define CK_F_PR_STORE_SHORT
#define CK_F_PR_STORE_UINT
#define CK_F_PR_SUB_16
#define CK_F_PR_SUB_32
#define CK_F_PR_SUB_8
#define CK_F_PR_SUB_CHAR
#define CK_F_PR_SUB_INT
#define CK_F_PR_SUB_PTR
#define CK_F_PR_SUB_SHORT
#define CK_F_PR_SUB_UINT
#define CK_F_PR_XOR_16
#define CK_F_PR_XOR_32
#define CK_F_PR_XOR_8
#define CK_F_PR_XOR_CHAR
#define CK_F_PR_XOR_INT
#define CK_F_PR_XOR_PTR
#define CK_F_PR_XOR_SHORT
#define CK_F_PR_XOR_UINT

408
include/gcc/arm/ck_pr.h
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/*
* Copyright 2009-2013 Samy Al Bahra.
* Copyright 2013 Olivier Houchard.
* 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_ARM_H
#define _CK_PR_ARM_H
#ifndef _CK_PR_H
#error Do not include this file directly, use ck_pr.h
#endif
#include <ck_cc.h>
#include <ck_md.h>
/*
* The following represent supported atomic operations.
* These operations may be emulated.
*/
#include "ck_f_pr.h"
/*
* Minimum interface requirement met.
*/
#define CK_F_PR
CK_CC_INLINE static void
ck_pr_stall(void)
{
__asm__ __volatile__("" ::: "memory");
return;
}
/*
* isb, dsb and dmb instructions only appeared with armv7, so use the old
* notation
*/
#define _ISB \
__asm __volatile("mcr p15, 0, %0, c7, c5, 4" : : "r" (0) : "memory")
#define _DSB \
__asm __volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0) : "memory")
#define _DMB \
__asm __volatile("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory")
#define CK_PR_FENCE(T, I) \
CK_CC_INLINE static void \
ck_pr_fence_strict_##T(void) \
{ \
I; \
}
CK_PR_FENCE(atomic, _DMB)
CK_PR_FENCE(atomic_store, _DMB)
CK_PR_FENCE(atomic_load, _DMB)
CK_PR_FENCE(store_atomic, _DMB)
CK_PR_FENCE(load_atomic, _DMB)
CK_PR_FENCE(store, _DMB)
CK_PR_FENCE(store_load, _DMB)
CK_PR_FENCE(load, _DMB)
CK_PR_FENCE(load_store, _DMB)
CK_PR_FENCE(memory, _DMB)
#undef CK_PR_FENCE
#undef _ISB
#undef _DSB
#undef _DMB
#define CK_PR_LOAD(S, M, T, C, I) \
CK_CC_INLINE static T \
ck_pr_load_##S(const M *target) \
{ \
long r = 0; \
__asm__ __volatile__(I " %0, [%1];" \
: "=r" (r) \
: "r" (target) \
: "memory"); \
return ((T)r); \
}
CK_PR_LOAD(ptr, void, void *, uint32_t, "ldr")
#define CK_PR_LOAD_S(S, T, I) CK_PR_LOAD(S, T, T, T, I)
CK_PR_LOAD_S(32, uint32_t, "ldr")
CK_PR_LOAD_S(16, uint16_t, "ldrh")
CK_PR_LOAD_S(8, uint8_t, "ldrb")
CK_PR_LOAD_S(uint, unsigned int, "ldr")
CK_PR_LOAD_S(int, int, "ldr")
CK_PR_LOAD_S(short, short, "ldrh")
CK_PR_LOAD_S(char, char, "ldrb")
#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 " %1, [%0]" \
: : "r" (target), \
"r" (v) \
: "memory"); \
return; \
}
CK_PR_STORE(ptr, void, const void *, uint32_t, "str")
#define CK_PR_STORE_S(S, T, I) CK_PR_STORE(S, T, T, T, I)
CK_PR_STORE_S(32, uint32_t, "str")
CK_PR_STORE_S(16, uint16_t, "strh")
CK_PR_STORE_S(8, uint8_t, "strb")
CK_PR_STORE_S(uint, unsigned int, "str")
CK_PR_STORE_S(int, int, "str")
CK_PR_STORE_S(short, short, "strh")
CK_PR_STORE_S(char, char, "strb")
#undef CK_PR_STORE_S
#undef CK_PR_STORE
CK_CC_INLINE static bool
ck_pr_cas_ptr_value(void *target, void *compare, void *set, void *value)
{
void *previous, *tmp;
__asm__ __volatile__("1:"
"ldrex %0, [%2];"
"cmp %0, %4;"
"strexeq %1, %3, [%2];"
"cmpeq %1, #1;"
"beq 1b;"
: "=&r" (previous),
"=&r" (tmp)
: "r" (target),
"r" (set),
"r" (compare)
: "memory", "cc");
*(void **)value = previous;
return (previous == compare);
}
CK_CC_INLINE static bool
ck_pr_cas_ptr(void *target, void *compare, void *set)
{
void *previous, *tmp;
__asm__ __volatile__("1:"
"ldrex %0, [%2];"
"cmp %0, %4;"
"strexeq %1, %3, [%2];"
"cmpeq %1, #1;"
"beq 1b;"
: "=&r" (previous),
"=&r" (tmp)
: "r" (target),
"r" (set),
"r" (compare)
: "memory", "cc");
return (previous == compare);
}
#define CK_PR_CAS(N, T, W) \
CK_CC_INLINE static bool \
ck_pr_cas_##N##_value(T *target, T compare, T set, T *value) \
{ \
T previous = 0, tmp = 0; \
__asm__ __volatile__("1:" \
"ldrex" W " %0, [%2];" \
"cmp %0, %4;" \
"strex" W "eq %1, %3, [%2];" \
"cmpeq %1, #1;" \
"beq 1b;" \
/* \
* Using "+&" instead of "=&" to avoid bogus \
* clang warnings. \
*/ \
: "+&r" (previous), \
"+&r" (tmp) \
: "r" (target), \
"r" (set), \
"r" (compare) \
: "memory", "cc"); \
*value = previous; \
return (previous == compare); \
} \
CK_CC_INLINE static bool \
ck_pr_cas_##N(T *target, T compare, T set) \
{ \
T previous = 0, tmp = 0; \
__asm__ __volatile__("1:" \
"ldrex" W " %0, [%2];" \
"cmp %0, %4;" \
"strex" W "eq %1, %3, [%2];" \
"cmp %1, #1;" \
"beq 1b;" \
: "+&r" (previous), \
"+&r" (tmp) \
: "r" (target), \
"r" (set), \
"r" (compare) \
: "memory", "cc"); \
return (previous == compare); \
}
CK_PR_CAS(32, uint32_t, "")
CK_PR_CAS(uint, unsigned int, "")
CK_PR_CAS(int, int, "")
CK_PR_CAS(16, uint16_t, "h")
CK_PR_CAS(8, uint8_t, "b")
CK_PR_CAS(short, short, "h")
CK_PR_CAS(char, char, "b")
#undef CK_PR_CAS_S
#undef CK_PR_CAS
#define CK_PR_FAS(N, M, T, W) \
CK_CC_INLINE static T \
ck_pr_fas_##N(M *target, T v) \
{ \
T previous = 0; \
T tmp = 0; \
__asm__ __volatile__("1:" \
"ldrex" W " %0, [%2];" \
"strex" W " %1, %3, [%2];" \
"cmp %1, #0;" \
"bne 1b;" \
: "+&r" (previous), \
"+&r" (tmp) \
: "r" (target), \
"r" (v) \
: "memory", "cc"); \
return (previous); \
}
CK_PR_FAS(32, uint32_t, uint32_t, "")
CK_PR_FAS(ptr, void, void *, "")
CK_PR_FAS(int, int, int, "")
CK_PR_FAS(uint, unsigned int, unsigned int, "")
CK_PR_FAS(16, uint16_t, uint16_t, "h")
CK_PR_FAS(8, uint8_t, uint8_t, "b")
CK_PR_FAS(short, short, short, "h")
CK_PR_FAS(char, char, char, "b")
#undef CK_PR_FAS
#define CK_PR_UNARY(O, N, M, T, I, W) \
CK_CC_INLINE static void \
ck_pr_##O##_##N(M *target) \
{ \
T previous = 0; \
T tmp = 0; \
__asm__ __volatile__("1:" \
"ldrex" W " %0, [%2];" \
I ";" \
"strex" W " %1, %0, [%2];" \
"cmp %1, #0;" \
"bne 1b;" \
: "+&r" (previous), \
"+&r" (tmp) \
: "r" (target) \
: "memory", "cc"); \
return; \
}
CK_PR_UNARY(inc, ptr, void, void *, "add %0, %0, #1", "")
CK_PR_UNARY(dec, ptr, void, void *, "sub %0, %0, #1", "")
CK_PR_UNARY(not, ptr, void, void *, "mvn %0, %0", "")
CK_PR_UNARY(neg, ptr, void, void *, "neg %0, %0", "")
#define CK_PR_UNARY_S(S, T, W) \
CK_PR_UNARY(inc, S, T, T, "add %0, %0, #1", W) \
CK_PR_UNARY(dec, S, T, T, "sub %0, %0, #1", W) \
CK_PR_UNARY(not, S, T, T, "mvn %0, %0", W) \
CK_PR_UNARY(neg, S, T, T, "neg %0, %0", W) \
CK_PR_UNARY_S(32, uint32_t, "")
CK_PR_UNARY_S(uint, unsigned int, "")
CK_PR_UNARY_S(int, int, "")
CK_PR_UNARY_S(16, uint16_t, "h")
CK_PR_UNARY_S(8, uint8_t, "b")
CK_PR_UNARY_S(short, short, "h")
CK_PR_UNARY_S(char, char, "b")
#undef CK_PR_UNARY_S
#undef CK_PR_UNARY
#define CK_PR_BINARY(O, N, M, T, I, W) \
CK_CC_INLINE static void \
ck_pr_##O##_##N(M *target, T delta) \
{ \
T previous = 0; \
T tmp = 0; \
__asm__ __volatile__("1:" \
"ldrex" W " %0, [%2];" \
I " %0, %0, %3;" \
"strex" W " %1, %0, [%2];" \
"cmp %1, #0;" \
"bne 1b;" \
: "+&r" (previous), \
"+&r" (tmp) \
: "r" (target), \
"r" (delta) \
: "memory", "cc"); \
return; \
}
CK_PR_BINARY(and, ptr, void, uintptr_t, "and", "")
CK_PR_BINARY(add, ptr, void, uintptr_t, "add", "")
CK_PR_BINARY(or, ptr, void, uintptr_t, "orr", "")
CK_PR_BINARY(sub, ptr, void, uintptr_t, "sub", "")
CK_PR_BINARY(xor, ptr, void, uintptr_t, "eor", "")
#define CK_PR_BINARY_S(S, T, W) \
CK_PR_BINARY(and, S, T, T, "and", W) \
CK_PR_BINARY(add, S, T, T, "add", W) \
CK_PR_BINARY(or, S, T, T, "orr", W) \
CK_PR_BINARY(sub, S, T, T, "sub", W) \
CK_PR_BINARY(xor, S, T, T, "eor", W)
CK_PR_BINARY_S(32, uint32_t, "")
CK_PR_BINARY_S(uint, unsigned int, "")
CK_PR_BINARY_S(int, int, "")
CK_PR_BINARY_S(16, uint16_t, "h")
CK_PR_BINARY_S(8, uint8_t, "b")
CK_PR_BINARY_S(short, short, "h")
CK_PR_BINARY_S(char, char, "b")
#undef CK_PR_BINARY_S
#undef CK_PR_BINARY
CK_CC_INLINE static void *
ck_pr_faa_ptr(void *target, uintptr_t delta)
{
uintptr_t previous, r, tmp;
__asm__ __volatile__("1:"
"ldrex %0, [%3];"
"add %1, %4, %0;"
"strex %2, %1, [%3];"
"cmp %2, #0;"
"bne 1b;"
: "=&r" (previous),
"=&r" (r),
"=&r" (tmp)
: "r" (target),
"r" (delta)
: "memory", "cc");
return (void *)(previous);
}
#define CK_PR_FAA(S, T, W) \
CK_CC_INLINE static T \
ck_pr_faa_##S(T *target, T delta) \
{ \
T previous = 0, r = 0, tmp = 0; \
__asm__ __volatile__("1:" \
"ldrex" W " %0, [%3];" \
"add %1, %4, %0;" \
"strex" W " %2, %1, [%3];" \
"cmp %2, #0;" \
"bne 1b;" \
: "+&r" (previous), \
"+&r" (r), \
"+&r" (tmp) \
: "r" (target), \
"r" (delta) \
: "memory", "cc"); \
return (previous); \
}
CK_PR_FAA(32, uint32_t, "")
CK_PR_FAA(uint, unsigned int, "")
CK_PR_FAA(int, int, "")
CK_PR_FAA(16, uint16_t, "h")
CK_PR_FAA(8, uint8_t, "b")
CK_PR_FAA(short, short, "h")
CK_PR_FAA(char, char, "b")
#undef CK_PR_FAA
#endif /* _CK_PR_ARM_H */
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