# # Copyright (c) 2003-2004 Jakub Jermar # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # - Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # - 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. # - The name of the author may not be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. # #include #include .text .set noat .set noreorder .set nomacro FUNCTION_BEGIN(context_save_arch) sw $s0, CONTEXT_OFFSET_S0($a0) sw $s1, CONTEXT_OFFSET_S1($a0) sw $s2, CONTEXT_OFFSET_S2($a0) sw $s3, CONTEXT_OFFSET_S3($a0) sw $s4, CONTEXT_OFFSET_S4($a0) sw $s5, CONTEXT_OFFSET_S5($a0) sw $s6, CONTEXT_OFFSET_S6($a0) sw $s7, CONTEXT_OFFSET_S7($a0) sw $s8, CONTEXT_OFFSET_S8($a0) sw $gp, CONTEXT_OFFSET_GP($a0) sw $k1, CONTEXT_OFFSET_TP($a0) sw $ra, CONTEXT_OFFSET_PC($a0) sw $sp, CONTEXT_OFFSET_SP($a0) # context_save returns 1 j $31 li $2, 1 FUNCTION_END(context_save_arch) FUNCTION_BEGIN(context_restore_arch) lw $s0, CONTEXT_OFFSET_S0($a0) lw $s1, CONTEXT_OFFSET_S1($a0) lw $s2, CONTEXT_OFFSET_S2($a0) lw $s3, CONTEXT_OFFSET_S3($a0) lw $s4, CONTEXT_OFFSET_S4($a0) lw $s5, CONTEXT_OFFSET_S5($a0) lw $s6, CONTEXT_OFFSET_S6($a0) lw $s7, CONTEXT_OFFSET_S7($a0) lw $s8, CONTEXT_OFFSET_S8($a0) lw $gp, CONTEXT_OFFSET_GP($a0) lw $k1, CONTEXT_OFFSET_TP($a0) lw $ra, CONTEXT_OFFSET_PC($a0) lw $sp, CONTEXT_OFFSET_SP($a0) # context_restore returns 0 j $31 xor $2, $2 FUNCTION_END(context_restore_arch)