| 1 | # This file is part of MutekP. |
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| 2 | |
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| 3 | # MutekP is free software; you can redistribute it and/or modify it |
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| 4 | # under the terms of the GNU General Public License as published by |
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| 5 | # the Free Software Foundation; either version 2 of the License, or |
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| 6 | # (at your option) any later version. |
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| 7 | |
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| 8 | # MutekP is distributed in the hope that it will be useful, but |
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| 9 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 11 | # General Public License for more details. |
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| 12 | |
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| 13 | # You should have received a copy of the GNU General Public License |
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| 14 | # along with MutekP; if not, write to the Free Software Foundation, |
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| 15 | # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 16 | |
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| 17 | # UPMC / LIP6 / SOC (c) 2007 |
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| 18 | # Copyright Ghassan Almaless <ghassan.almaless@gmail.com> |
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| 19 | # Copyright Franck Wajsbürt <franck.wajsburt@lip6.fr> |
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| 20 | |
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| 21 | |
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| 22 | |
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| 23 | #------------------------------------------------------- |
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| 24 | # __setjmp: |
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| 25 | # save of current function context. |
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| 26 | # arguments: |
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| 27 | # $4: struct __jmp_buffer_s *buff |
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| 28 | #------------------------------------------------------- |
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| 29 | .section .text,"ax", @progbits |
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| 30 | .align 2 |
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| 31 | .globl __setjmp |
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| 32 | .ent __setjmp |
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| 33 | |
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| 34 | __setjmp: |
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| 35 | sw $16, 0*4($4) |
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| 36 | sw $17, 1*4($4) |
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| 37 | sw $18, 2*4($4) |
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| 38 | sw $19, 3*4($4) |
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| 39 | sw $20, 4*4($4) |
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| 40 | sw $21, 5*4($4) |
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| 41 | sw $22, 6*4($4) |
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| 42 | sw $23, 7*4($4) |
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| 43 | sw $28, 8*4($4) |
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| 44 | sw $29, 9*4($4) |
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| 45 | sw $30, 10*4($4) |
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| 46 | sw $31, 11*4($4) |
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| 47 | xor $2, $2, $2 |
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| 48 | jr $31 |
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| 49 | .end __setjmp |
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| 50 | |
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| 51 | #------------------------------------------------------- |
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| 52 | # __longjmp |
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| 53 | # resume previously saved context |
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| 54 | # arguments: |
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| 55 | # $4: struct __jmp_buffer_s *buff |
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| 56 | # $5: val |
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| 57 | #------------------------------------------------------- |
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| 58 | .section .text,"ax", @progbits |
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| 59 | .align 2 |
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| 60 | |
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| 61 | .globl __longjmp |
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| 62 | .ent __longjmp |
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| 63 | |
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| 64 | __longjmp: |
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| 65 | .set noreorder |
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| 66 | lw $16, 0*4($4) |
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| 67 | lw $17, 1*4($4) |
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| 68 | lw $18, 2*4($4) |
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| 69 | lw $19, 3*4($4) |
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| 70 | lw $20, 4*4($4) |
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| 71 | lw $21, 5*4($4) |
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| 72 | lw $22, 6*4($4) |
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| 73 | lw $23, 7*4($4) |
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| 74 | lw $28, 8*4($4) |
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| 75 | lw $29, 9*4($4) # get stack ptr |
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| 76 | lw $31, 11*4($4) |
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| 77 | bnez $5, __jmp_next |
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| 78 | or $2, $0, $5 |
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| 79 | ori $2, $0, 1 |
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| 80 | __jmp_next: |
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| 81 | jr $31 |
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| 82 | lw $30, 10*4($4) |
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| 83 | .set reorder |
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| 84 | .end __longjmp |
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| 85 | |
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| 86 | #------------------------------------------------------- |
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