diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/misc.S | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S index 74ce0c7a7b1e..7b9160220698 100644 --- a/arch/powerpc/kernel/misc.S +++ b/arch/powerpc/kernel/misc.S | |||
| @@ -8,6 +8,8 @@ | |||
| 8 | * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com) | 8 | * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com) |
| 9 | * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) | 9 | * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) |
| 10 | * | 10 | * |
| 11 | * setjmp/longjmp code by Paul Mackerras. | ||
| 12 | * | ||
| 11 | * This program is free software; you can redistribute it and/or | 13 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License | 14 | * modify it under the terms of the GNU General Public License |
| 13 | * as published by the Free Software Foundation; either version | 15 | * as published by the Free Software Foundation; either version |
| @@ -15,6 +17,8 @@ | |||
| 15 | */ | 17 | */ |
| 16 | #include <asm/ppc_asm.h> | 18 | #include <asm/ppc_asm.h> |
| 17 | #include <asm/unistd.h> | 19 | #include <asm/unistd.h> |
| 20 | #include <asm/asm-compat.h> | ||
| 21 | #include <asm/asm-offsets.h> | ||
| 18 | 22 | ||
| 19 | .text | 23 | .text |
| 20 | 24 | ||
| @@ -51,3 +55,64 @@ _GLOBAL(kernel_execve) | |||
| 51 | bnslr | 55 | bnslr |
| 52 | neg r3,r3 | 56 | neg r3,r3 |
| 53 | blr | 57 | blr |
| 58 | |||
| 59 | _GLOBAL(setjmp) | ||
| 60 | mflr r0 | ||
| 61 | PPC_STL r0,0(r3) | ||
| 62 | PPC_STL r1,SZL(r3) | ||
| 63 | PPC_STL r2,2*SZL(r3) | ||
| 64 | mfcr r0 | ||
| 65 | PPC_STL r0,3*SZL(r3) | ||
| 66 | PPC_STL r13,4*SZL(r3) | ||
| 67 | PPC_STL r14,5*SZL(r3) | ||
| 68 | PPC_STL r15,6*SZL(r3) | ||
| 69 | PPC_STL r16,7*SZL(r3) | ||
| 70 | PPC_STL r17,8*SZL(r3) | ||
| 71 | PPC_STL r18,9*SZL(r3) | ||
| 72 | PPC_STL r19,10*SZL(r3) | ||
| 73 | PPC_STL r20,11*SZL(r3) | ||
| 74 | PPC_STL r21,12*SZL(r3) | ||
| 75 | PPC_STL r22,13*SZL(r3) | ||
| 76 | PPC_STL r23,14*SZL(r3) | ||
| 77 | PPC_STL r24,15*SZL(r3) | ||
| 78 | PPC_STL r25,16*SZL(r3) | ||
| 79 | PPC_STL r26,17*SZL(r3) | ||
| 80 | PPC_STL r27,18*SZL(r3) | ||
| 81 | PPC_STL r28,19*SZL(r3) | ||
| 82 | PPC_STL r29,20*SZL(r3) | ||
| 83 | PPC_STL r30,21*SZL(r3) | ||
| 84 | PPC_STL r31,22*SZL(r3) | ||
| 85 | li r3,0 | ||
| 86 | blr | ||
| 87 | |||
| 88 | _GLOBAL(longjmp) | ||
| 89 | PPC_LCMPI r4,0 | ||
| 90 | bne 1f | ||
| 91 | li r4,1 | ||
| 92 | 1: PPC_LL r13,4*SZL(r3) | ||
| 93 | PPC_LL r14,5*SZL(r3) | ||
| 94 | PPC_LL r15,6*SZL(r3) | ||
| 95 | PPC_LL r16,7*SZL(r3) | ||
| 96 | PPC_LL r17,8*SZL(r3) | ||
| 97 | PPC_LL r18,9*SZL(r3) | ||
| 98 | PPC_LL r19,10*SZL(r3) | ||
| 99 | PPC_LL r20,11*SZL(r3) | ||
| 100 | PPC_LL r21,12*SZL(r3) | ||
| 101 | PPC_LL r22,13*SZL(r3) | ||
| 102 | PPC_LL r23,14*SZL(r3) | ||
| 103 | PPC_LL r24,15*SZL(r3) | ||
| 104 | PPC_LL r25,16*SZL(r3) | ||
| 105 | PPC_LL r26,17*SZL(r3) | ||
| 106 | PPC_LL r27,18*SZL(r3) | ||
| 107 | PPC_LL r28,19*SZL(r3) | ||
| 108 | PPC_LL r29,20*SZL(r3) | ||
| 109 | PPC_LL r30,21*SZL(r3) | ||
| 110 | PPC_LL r31,22*SZL(r3) | ||
| 111 | PPC_LL r0,3*SZL(r3) | ||
| 112 | mtcrf 0x38,r0 | ||
| 113 | PPC_LL r0,0(r3) | ||
| 114 | PPC_LL r1,SZL(r3) | ||
| 115 | PPC_LL r2,2*SZL(r3) | ||
| 116 | mtlr r0 | ||
| 117 | mr r3,r4 | ||
| 118 | blr | ||