[5f2926a] | 1 | #
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| 2 | # Copyright (c) 2003-2004 Jakub Jermar
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| 3 | # All rights reserved.
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| 4 | #
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| 5 | # Redistribution and use in source and binary forms, with or without
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| 6 | # modification, are permitted provided that the following conditions
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| 7 | # are met:
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| 8 | #
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| 9 | # - Redistributions of source code must retain the above copyright
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| 10 | # notice, this list of conditions and the following disclaimer.
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| 11 | # - Redistributions in binary form must reproduce the above copyright
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| 12 | # notice, this list of conditions and the following disclaimer in the
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| 13 | # documentation and/or other materials provided with the distribution.
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| 14 | # - The name of the author may not be used to endorse or promote products
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| 15 | # derived from this software without specific prior written permission.
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| 16 | #
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| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | #
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| 28 |
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| 29 | #include <abi/asmtool.h>
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| 30 | #include <arch/context_struct.h>
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| 31 |
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| 32 | .text
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| 33 |
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| 34 | FUNCTION_BEGIN(context_save_arch)
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| 35 | sd gp, CONTEXT_OFFSET_GP(a0)
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| 36 | sd tp, CONTEXT_OFFSET_TP(a0)
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| 37 | sd s0, CONTEXT_OFFSET_S0(a0)
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| 38 | sd s1, CONTEXT_OFFSET_S1(a0)
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| 39 | sd s2, CONTEXT_OFFSET_S2(a0)
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| 40 | sd s3, CONTEXT_OFFSET_S3(a0)
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| 41 | sd s4, CONTEXT_OFFSET_S4(a0)
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| 42 | sd s5, CONTEXT_OFFSET_S5(a0)
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| 43 | sd s6, CONTEXT_OFFSET_S6(a0)
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| 44 | sd s7, CONTEXT_OFFSET_S7(a0)
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| 45 | sd s8, CONTEXT_OFFSET_S8(a0)
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| 46 | sd s9, CONTEXT_OFFSET_S9(a0)
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| 47 | sd s10, CONTEXT_OFFSET_S10(a0)
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| 48 | sd s11, CONTEXT_OFFSET_S11(a0)
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[a35b458] | 49 |
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[5f2926a] | 50 | sd ra, CONTEXT_OFFSET_PC(a0)
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| 51 | sd sp, CONTEXT_OFFSET_SP(a0)
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[a35b458] | 52 |
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[5f2926a] | 53 | # context_save returns 1
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| 54 | li a0, 1
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| 55 | ret
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| 56 | FUNCTION_END(context_save_arch)
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| 57 |
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| 58 | FUNCTION_BEGIN(context_restore_arch)
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| 59 | ld gp, CONTEXT_OFFSET_GP(a0)
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| 60 | ld tp, CONTEXT_OFFSET_TP(a0)
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| 61 | ld s0, CONTEXT_OFFSET_S0(a0)
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| 62 | ld s1, CONTEXT_OFFSET_S1(a0)
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| 63 | ld s2, CONTEXT_OFFSET_S2(a0)
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| 64 | ld s3, CONTEXT_OFFSET_S3(a0)
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| 65 | ld s4, CONTEXT_OFFSET_S4(a0)
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| 66 | ld s5, CONTEXT_OFFSET_S5(a0)
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| 67 | ld s6, CONTEXT_OFFSET_S6(a0)
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| 68 | ld s7, CONTEXT_OFFSET_S7(a0)
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| 69 | ld s8, CONTEXT_OFFSET_S8(a0)
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| 70 | ld s9, CONTEXT_OFFSET_S9(a0)
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| 71 | ld s10, CONTEXT_OFFSET_S10(a0)
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| 72 | ld s11, CONTEXT_OFFSET_S11(a0)
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[a35b458] | 73 |
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[5f2926a] | 74 | ld ra, CONTEXT_OFFSET_PC(a0)
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| 75 | ld sp, CONTEXT_OFFSET_SP(a0)
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[a35b458] | 76 |
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[5f2926a] | 77 | # context_restore returns 0
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| 78 | li a0, 0
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| 79 | ret
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| 80 | FUNCTION_END(context_restore_arch)
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