Adding upstream version 0.6.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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465 changed files with 60158 additions and 0 deletions
227
include/gcc/aarch64/ck_pr.h
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include/gcc/aarch64/ck_pr.h
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/*
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* Copyright 2009-2016 Samy Al Bahra.
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* Copyright 2013-2016 Olivier Houchard.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef CK_PR_AARCH64_H
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#define CK_PR_AARCH64_H
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#ifndef CK_PR_H
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#error Do not include this file directly, use ck_pr.h
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#endif
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#include <ck_cc.h>
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#include <ck_md.h>
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/*
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* The following represent supported atomic operations.
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* These operations may be emulated.
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*/
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#include "ck_f_pr.h"
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/*
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* Minimum interface requirement met.
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*/
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#define CK_F_PR
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CK_CC_INLINE static void
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ck_pr_stall(void)
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{
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__asm__ __volatile__("" ::: "memory");
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return;
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}
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#define CK_DMB_SY __asm __volatile("dmb ish" : : "r" (0) : "memory")
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#define CK_DMB_LD __asm __volatile("dmb ishld" : : "r" (0) : "memory")
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#define CK_DMB_ST __asm __volatile("dmb ishst" : : "r" (0) : "memory")
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#define CK_PR_FENCE(T, I) \
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CK_CC_INLINE static void \
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ck_pr_fence_strict_##T(void) \
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{ \
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I; \
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}
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CK_PR_FENCE(atomic, CK_DMB_ST)
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CK_PR_FENCE(atomic_store, CK_DMB_ST)
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CK_PR_FENCE(atomic_load, CK_DMB_SY)
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CK_PR_FENCE(store_atomic, CK_DMB_ST)
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CK_PR_FENCE(load_atomic, CK_DMB_SY)
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CK_PR_FENCE(store, CK_DMB_ST)
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CK_PR_FENCE(store_load, CK_DMB_SY)
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CK_PR_FENCE(load, CK_DMB_LD)
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CK_PR_FENCE(load_store, CK_DMB_SY)
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CK_PR_FENCE(memory, CK_DMB_SY)
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CK_PR_FENCE(acquire, CK_DMB_SY)
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CK_PR_FENCE(release, CK_DMB_SY)
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CK_PR_FENCE(acqrel, CK_DMB_SY)
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CK_PR_FENCE(lock, CK_DMB_SY)
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CK_PR_FENCE(unlock, CK_DMB_SY)
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#undef CK_PR_FENCE
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#undef CK_DMB_SI
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#undef CK_DMB_LD
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#undef CK_DMB_ST
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#define CK_PR_LOAD(S, M, T, I) \
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CK_CC_INLINE static T \
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ck_pr_md_load_##S(const M *target) \
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{ \
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long r = 0; \
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__asm__ __volatile__(I " %w0, [%1];" \
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: "=r" (r) \
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: "r" (target) \
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: "memory"); \
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return ((T)r); \
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}
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#define CK_PR_LOAD_64(S, M, T, I) \
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CK_CC_INLINE static T \
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ck_pr_md_load_##S(const M *target) \
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{ \
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long r = 0; \
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__asm__ __volatile__(I " %0, [%1];" \
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: "=r" (r) \
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: "r" (target) \
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: "memory"); \
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return ((T)r); \
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}
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CK_PR_LOAD_64(ptr, void, void *, "ldr")
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#define CK_PR_LOAD_S(S, T, I) CK_PR_LOAD(S, T, T, I)
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#define CK_PR_LOAD_S_64(S, T, I) CK_PR_LOAD_64(S, T, T, I)
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CK_PR_LOAD_S_64(64, uint64_t, "ldr")
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CK_PR_LOAD_S(32, uint32_t, "ldr")
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CK_PR_LOAD_S(16, uint16_t, "ldrh")
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CK_PR_LOAD_S(8, uint8_t, "ldrb")
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CK_PR_LOAD_S(uint, unsigned int, "ldr")
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CK_PR_LOAD_S(int, int, "ldr")
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CK_PR_LOAD_S(short, short, "ldrh")
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CK_PR_LOAD_S(char, char, "ldrb")
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#ifndef CK_PR_DISABLE_DOUBLE
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CK_PR_LOAD_S_64(double, double, "ldr")
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#endif
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#undef CK_PR_LOAD_S
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#undef CK_PR_LOAD_S_64
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#undef CK_PR_LOAD
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#undef CK_PR_LAOD_64
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#define CK_PR_STORE(S, M, T, I) \
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CK_CC_INLINE static void \
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ck_pr_md_store_##S(M *target, T v) \
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{ \
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__asm__ __volatile__(I " %w1, [%0]" \
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: \
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: "r" (target), \
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"r" (v) \
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: "memory"); \
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return; \
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}
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#define CK_PR_STORE_64(S, M, T, I) \
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CK_CC_INLINE static void \
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ck_pr_md_store_##S(M *target, T v) \
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{ \
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__asm__ __volatile__(I " %1, [%0]" \
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: \
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: "r" (target), \
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"r" (v) \
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: "memory"); \
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return; \
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}
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CK_PR_STORE_64(ptr, void, const void *, "str")
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#define CK_PR_STORE_S(S, T, I) CK_PR_STORE(S, T, T, I)
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#define CK_PR_STORE_S_64(S, T, I) CK_PR_STORE_64(S, T, T, I)
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CK_PR_STORE_S_64(64, uint64_t, "str")
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CK_PR_STORE_S(32, uint32_t, "str")
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CK_PR_STORE_S(16, uint16_t, "strh")
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CK_PR_STORE_S(8, uint8_t, "strb")
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CK_PR_STORE_S(uint, unsigned int, "str")
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CK_PR_STORE_S(int, int, "str")
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CK_PR_STORE_S(short, short, "strh")
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CK_PR_STORE_S(char, char, "strb")
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#ifndef CK_PR_DISABLE_DOUBLE
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CK_PR_STORE_S_64(double, double, "str")
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#endif
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#undef CK_PR_STORE_S
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#undef CK_PR_STORE_S_64
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#undef CK_PR_STORE
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#undef CK_PR_STORE_64
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#ifdef CK_MD_LSE_ENABLE
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#include "ck_pr_lse.h"
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#else
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#include "ck_pr_llsc.h"
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#endif
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/*
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* ck_pr_neg_*() functions can only be implemented via LL/SC, as there are no
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* LSE alternatives.
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*/
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#define CK_PR_NEG(N, M, T, W, R) \
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CK_CC_INLINE static void \
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ck_pr_neg_##N(M *target) \
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{ \
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T previous = 0; \
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T tmp = 0; \
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__asm__ __volatile__("1:" \
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"ldxr" W " %" R "0, [%2];" \
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"neg %" R "0, %" R "0;" \
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"stxr" W " %w1, %" R "0, [%2];" \
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"cbnz %w1, 1b;" \
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: "=&r" (previous), \
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"=&r" (tmp) \
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: "r" (target) \
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: "memory", "cc"); \
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return; \
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}
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CK_PR_NEG(ptr, void, void *, "", "")
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CK_PR_NEG(64, uint64_t, uint64_t, "", "")
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#define CK_PR_NEG_S(S, T, W) \
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CK_PR_NEG(S, T, T, W, "w") \
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CK_PR_NEG_S(32, uint32_t, "")
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CK_PR_NEG_S(uint, unsigned int, "")
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CK_PR_NEG_S(int, int, "")
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CK_PR_NEG_S(16, uint16_t, "h")
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CK_PR_NEG_S(8, uint8_t, "b")
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CK_PR_NEG_S(short, short, "h")
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CK_PR_NEG_S(char, char, "b")
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#undef CK_PR_NEG_S
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#undef CK_PR_NEG
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#endif /* CK_PR_AARCH64_H */
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