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110 lines
3.2 KiB
110 lines
3.2 KiB
12 years ago
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/*
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* Copyright 2013 Samy Al Bahra.
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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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/*
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* Copyright (c) 2012,2013 Intel Corporation
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* Author: Andi Kleen
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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: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef _CK_PR_X86_64_RTM_H
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#define _CK_PR_X86_64_RTM_H
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#ifndef _CK_PR_X86_64_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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#define CK_F_PR_RTM
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#include <ck_cc.h>
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#include <stdbool.h>
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#define CK_PR_RTM_STARTED (~0U)
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#define CK_PR_RTM_EXPLICIT (1 << 0)
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#define CK_PR_RTM_RETRY (1 << 1)
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#define CK_PR_RTM_CONFLICT (1 << 2)
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#define CK_PR_RTM_CAPACITY (1 << 3)
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#define CK_PR_RTM_DEBUG (1 << 4)
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#define CK_PR_RTM_NESTED (1 << 5)
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#define CK_PR_RTM_CODE(x) (((x) >> 24) & 0xFF)
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CK_CC_INLINE static unsigned int
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ck_pr_rtm_begin(void)
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{
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unsigned int r = CK_PR_RTM_STARTED;
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__asm__ __volatile__(".byte 0xc7,0xf8;"
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".long 0;"
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: "+a" (r)
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:
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: "memory");
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return r;
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}
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CK_CC_INLINE static void
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ck_pr_rtm_end(void)
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{
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__asm__ __volatile__(".byte 0x0f,0x01,0xd5" ::: "memory");
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return;
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}
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CK_CC_INLINE static void
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ck_pr_rtm_abort(const unsigned int status)
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{
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__asm__ __volatile__(".byte 0xc6,0xf8,%P0" :: "i" (status) : "memory");
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return;
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}
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CK_CC_INLINE static bool
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ck_pr_rtm_test(void)
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{
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bool r;
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__asm__ __volatile__(".byte 0x0f,0x01,0xd6;"
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"setnz %0"
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: "=r" (out)
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:
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: "memory");
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return r;
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}
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#endif /* _CK_PR_X86_64_RTM_H */
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