mirror of
https://github.com/reactos/reactos.git
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148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/******************************************************************************
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*
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* Name: acgcc.h - GCC specific defines, etc.
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* $Revision: 1.1 $
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000, 2001 R. Byron Moore
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ACGCC_H__
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#define __ACGCC_H__
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#ifdef __ia64__
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#define _IA64
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#define COMPILER_DEPENDENT_UINT64 unsigned long
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/* Single threaded */
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#define ACPI_APPLICATION
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#define ACPI_ASM_MACROS
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#define causeinterrupt(level)
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#define BREAKPOINT3
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#define disable() __cli()
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#define enable() __sti()
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#define wbinvd()
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/*! [Begin] no source code translation */
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#include <asm/pal.h>
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#define halt() ia64_pal_halt_light() /* PAL_HALT[_LIGHT] */
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#define safe_halt() ia64_pal_halt(1) /* PAL_HALT */
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#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
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do { \
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__asm__ volatile ("1: ld4 r29=%1\n" \
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";;\n" \
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"mov ar.ccv=r29\n" \
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"mov r2=r29\n" \
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"shr.u r30=r29,1\n" \
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"and r29=-4,r29\n" \
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";;\n" \
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"add r29=2,r29\n" \
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"and r30=1,r30\n" \
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";;\n" \
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"add r29=r29,r30\n" \
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";;\n" \
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"cmpxchg4.acq r30=%1,r29,ar.ccv\n" \
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";;\n" \
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"cmp.eq p6,p7=r2,r30\n" \
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"(p7) br.dpnt.few 1b\n" \
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"cmp.gt p8,p9=3,r29\n" \
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";;\n" \
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"(p8) mov %0=-1\n" \
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"(p9) mov %0=r0\n" \
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:"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \
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} while (0)
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#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
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do { \
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__asm__ volatile ("1: ld4 r29=%1\n" \
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";;\n" \
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"mov ar.ccv=r29\n" \
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"mov r2=r29\n" \
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"and r29=-4,r29\n" \
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";;\n" \
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"cmpxchg4.acq r30=%1,r29,ar.ccv\n" \
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";;\n" \
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"cmp.eq p6,p7=r2,r30\n" \
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"(p7) br.dpnt.few 1b\n" \
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"and %0=1,r2\n" \
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";;\n" \
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:"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \
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} while (0)
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/*! [End] no source code translation !*/
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#else /* DO IA32 */
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#define COMPILER_DEPENDENT_UINT64 unsigned long long
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#define ACPI_ASM_MACROS
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#define causeinterrupt(level)
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#define BREAKPOINT3
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#define disable() __cli()
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#define enable() __sti()
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#define halt() __asm__ __volatile__ ("sti; hlt":::"memory")
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#define wbinvd()
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/*! [Begin] no source code translation
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*
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* A brief explanation as GNU inline assembly is a bit hairy
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* %0 is the output parameter in EAX ("=a")
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* %1 and %2 are the input parameters in ECX ("c")
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* and an immediate value ("i") respectively
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* All actual register references are preceded with "%%" as in "%%edx"
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* Immediate values in the assembly are preceded by "$" as in "$0x1"
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* The final asm parameter are the operation altered non-output registers.
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*/
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#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
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do { \
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int dummy; \
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asm("1: movl (%1),%%eax;" \
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"movl %%eax,%%edx;" \
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"andl %2,%%edx;" \
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"btsl $0x1,%%edx;" \
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"adcl $0x0,%%edx;" \
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"lock; cmpxchgl %%edx,(%1);" \
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"jnz 1b;" \
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"cmpb $0x3,%%dl;" \
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"sbbl %%eax,%%eax" \
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:"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \
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} while(0)
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#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
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do { \
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int dummy; \
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asm("1: movl (%1),%%eax;" \
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"movl %%eax,%%edx;" \
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"andl %2,%%edx;" \
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"lock; cmpxchgl %%edx,(%1);" \
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"jnz 1b;" \
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"andl $0x1,%%eax" \
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:"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \
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} while(0)
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/*! [End] no source code translation !*/
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#endif /* IA 32 */
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#endif /* __ACGCC_H__ */
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