| 1 | #
|
|---|
| 2 | # Copyright (c) 2003-2004 Jakub Jermar
|
|---|
| 3 | # All rights reserved.
|
|---|
| 4 | #
|
|---|
| 5 | # Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | # modification, are permitted provided that the following conditions
|
|---|
| 7 | # are met:
|
|---|
| 8 | #
|
|---|
| 9 | # - Redistributions of source code must retain the above copyright
|
|---|
| 10 | # notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | # - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | # notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | # documentation and/or other materials provided with the distribution.
|
|---|
| 14 | # - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | # derived from this software without specific prior written permission.
|
|---|
| 16 | #
|
|---|
| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | #
|
|---|
| 28 |
|
|---|
| 29 | #include <abi/asmtool.h>
|
|---|
| 30 | #include <arch/context_struct.h>
|
|---|
| 31 |
|
|---|
| 32 | .text
|
|---|
| 33 |
|
|---|
| 34 | .set noat
|
|---|
| 35 | .set noreorder
|
|---|
| 36 | .set nomacro
|
|---|
| 37 |
|
|---|
| 38 | FUNCTION_BEGIN(context_save_arch)
|
|---|
| 39 | sw $s0, CONTEXT_OFFSET_S0($a0)
|
|---|
| 40 | sw $s1, CONTEXT_OFFSET_S1($a0)
|
|---|
| 41 | sw $s2, CONTEXT_OFFSET_S2($a0)
|
|---|
| 42 | sw $s3, CONTEXT_OFFSET_S3($a0)
|
|---|
| 43 | sw $s4, CONTEXT_OFFSET_S4($a0)
|
|---|
| 44 | sw $s5, CONTEXT_OFFSET_S5($a0)
|
|---|
| 45 | sw $s6, CONTEXT_OFFSET_S6($a0)
|
|---|
| 46 | sw $s7, CONTEXT_OFFSET_S7($a0)
|
|---|
| 47 | sw $s8, CONTEXT_OFFSET_S8($a0)
|
|---|
| 48 | sw $gp, CONTEXT_OFFSET_GP($a0)
|
|---|
| 49 |
|
|---|
| 50 | sw $ra, CONTEXT_OFFSET_PC($a0)
|
|---|
| 51 | sw $sp, CONTEXT_OFFSET_SP($a0)
|
|---|
| 52 |
|
|---|
| 53 | # context_save returns 1
|
|---|
| 54 | j $31
|
|---|
| 55 | li $2, 1
|
|---|
| 56 | FUNCTION_END(context_save_arch)
|
|---|
| 57 |
|
|---|
| 58 | FUNCTION_BEGIN(context_restore_arch)
|
|---|
| 59 | lw $s0, CONTEXT_OFFSET_S0($a0)
|
|---|
| 60 | lw $s1, CONTEXT_OFFSET_S1($a0)
|
|---|
| 61 | lw $s2, CONTEXT_OFFSET_S2($a0)
|
|---|
| 62 | lw $s3, CONTEXT_OFFSET_S3($a0)
|
|---|
| 63 | lw $s4, CONTEXT_OFFSET_S4($a0)
|
|---|
| 64 | lw $s5, CONTEXT_OFFSET_S5($a0)
|
|---|
| 65 | lw $s6, CONTEXT_OFFSET_S6($a0)
|
|---|
| 66 | lw $s7, CONTEXT_OFFSET_S7($a0)
|
|---|
| 67 | lw $s8, CONTEXT_OFFSET_S8($a0)
|
|---|
| 68 | lw $gp, CONTEXT_OFFSET_GP($a0)
|
|---|
| 69 |
|
|---|
| 70 | lw $ra, CONTEXT_OFFSET_PC($a0)
|
|---|
| 71 | lw $sp, CONTEXT_OFFSET_SP($a0)
|
|---|
| 72 |
|
|---|
| 73 | # context_restore returns 0
|
|---|
| 74 | j $31
|
|---|
| 75 | xor $2, $2
|
|---|
| 76 | FUNCTION_END(context_restore_arch)
|
|---|
