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Rev 2071 Rev 2779
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#
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#
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# Copyright (c) 2003-2004 Jakub Jermar
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# Copyright (c) 2003-2004 Jakub Jermar
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# All rights reserved.
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# All rights reserved.
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#
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#
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# Redistribution and use in source and binary forms, with or without
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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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# modification, are permitted provided that the following conditions
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# are met:
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# are met:
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#
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#
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# - Redistributions of source code must retain the above copyright
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# - 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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#   notice, this list of conditions and the following disclaimer.
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# - Redistributions in binary form must reproduce the above copyright
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# - 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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#   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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#   documentation and/or other materials provided with the distribution.
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# - The name of the author may not be used to endorse or promote products
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# - The name of the author may not be used to endorse or promote products
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#   derived from this software without specific prior written permission.
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#   derived from this software without specific prior written permission.
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#
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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#include <arch/asm/regname.h>
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#include <arch/context_offset.h>
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#include <arch/context_offset.h>
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.text
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.text
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.set noat
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.set noat
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.set noreorder
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.set noreorder
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.set nomacro
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.set nomacro
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.global context_save_arch
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.global context_save_arch
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.global context_restore_arch
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.global context_restore_arch
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.macro CONTEXT_STORE r
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	sw $s0,OFFSET_S0(\r)
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	sw $s1,OFFSET_S1(\r)
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	sw $s2,OFFSET_S2(\r)
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	sw $s3,OFFSET_S3(\r)
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	sw $s4,OFFSET_S4(\r)
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	sw $s5,OFFSET_S5(\r)
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	sw $s6,OFFSET_S6(\r)
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	sw $s7,OFFSET_S7(\r)
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	sw $s8,OFFSET_S8(\r)
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	sw $gp,OFFSET_GP(\r)
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	sw $ra,OFFSET_PC(\r)
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	sw $sp,OFFSET_SP(\r)
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.endm
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.macro CONTEXT_LOAD r
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	lw $s0,OFFSET_S0(\r)
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	lw $s1,OFFSET_S1(\r)
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	lw $s2,OFFSET_S2(\r)
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	lw $s3,OFFSET_S3(\r)
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	lw $s4,OFFSET_S4(\r)
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	lw $s5,OFFSET_S5(\r)
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	lw $s6,OFFSET_S6(\r)
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	lw $s7,OFFSET_S7(\r)
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	lw $s8,OFFSET_S8(\r)
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	lw $gp,OFFSET_GP(\r)
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	lw $ra,OFFSET_PC(\r)
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	lw $sp,OFFSET_SP(\r)
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.endm
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context_save_arch:
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context_save_arch:
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	CONTEXT_STORE $a0
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	CONTEXT_SAVE_ARCH_CORE $a0
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	# context_save returns 1
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	# context_save returns 1
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	j $31
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	j $31
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	li $2, 1
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	li $2, 1
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context_restore_arch:
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context_restore_arch:
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	CONTEXT_LOAD $a0
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	CONTEXT_RESTORE_ARCH_CORE $a0
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	# context_restore returns 0
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	# context_restore returns 0
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	j $31
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	j $31
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	xor $2, $2
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	xor $2, $2
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