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Last change
on this file since 2 was
2,
checked in by phkim, 11 years ago
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1.phkim
- revision copy newcon3sk r27
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-
Property svn:executable set to
*
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File size:
1.7 KB
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| Rev | Line | |
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| [2] | 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2006, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: $ |
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| 11 | * $brcm_Revision: $ |
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| 12 | * $brcm_Date: $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: $ |
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| 19 | * |
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| 20 | ***************************************************************************/ |
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| 21 | |
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| 22 | #include "bcm_mips.h" |
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| 23 | |
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| 24 | /* global leaf function (does not call other functions) */ |
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| 25 | #define LEAF(name) \ |
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| 26 | .globl name; \ |
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| 27 | .ent name; \ |
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| 28 | name: |
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| 29 | |
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| 30 | /* end of a global function */ |
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| 31 | #define END(name) \ |
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| 32 | .size name,.-name; \ |
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| 33 | .end name |
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| 34 | |
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| 35 | /* |
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| 36 | * JPF - 32bit implementation only!!! |
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| 37 | */ |
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| 38 | |
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| 39 | /* |
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| 40 | * int setjmp(char *jmp_buf) |
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| 41 | * |
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| 42 | * a0 jmp_buf (44 bytes) |
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| 43 | */ |
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| 44 | LEAF(setjmp) |
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| 45 | |
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| 46 | sw s0, 0(a0) |
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| 47 | sw s1, 4(a0) |
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| 48 | sw s2, 8(a0) |
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| 49 | sw s3, 12(a0) |
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| 50 | sw s4, 16(a0) |
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| 51 | sw s5, 20(a0) |
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| 52 | sw s6, 24(a0) |
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| 53 | sw s7, 28(a0) |
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| 54 | sw s8, 32(a0) |
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| 55 | |
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| 56 | sw sp, 36(a0) |
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| 57 | sw ra, 40(a0) |
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| 58 | |
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| 59 | move v0,zero |
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| 60 | |
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| 61 | j ra |
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| 62 | nop |
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| 63 | |
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| 64 | END(setjmp) |
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| 65 | |
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| 66 | |
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| 67 | /* |
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| 68 | * int longjmp(char *jmp_buf,int val) |
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| 69 | * |
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| 70 | * a0 jmp_buf (44 bytes initialized by setjmp) |
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| 71 | * a1 val return value after initiating longjmp |
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| 72 | */ |
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| 73 | LEAF(longjmp) |
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| 74 | |
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| 75 | lw s0, 0(a0) |
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| 76 | lw s1, 4(a0) |
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| 77 | lw s2, 8(a0) |
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| 78 | lw s3, 12(a0) |
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| 79 | lw s4, 16(a0) |
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| 80 | lw s5, 20(a0) |
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| 81 | lw s6, 24(a0) |
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| 82 | lw s7, 28(a0) |
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| 83 | lw s8, 32(a0) |
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| 84 | |
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| 85 | lw sp, 36(a0) |
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| 86 | lw ra, 40(a0) |
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| 87 | |
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| 88 | /* if val is 0 return a 1, otherwise return val */ |
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| 89 | bne a1, zero, 1f |
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| 90 | li v0, 1 |
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| 91 | 1: |
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| 92 | move v0, a1 |
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| 93 | |
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| 94 | j ra |
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| 95 | nop |
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| 96 | |
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| 97 | END(longjmp) |
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| 98 | |
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