projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 85ec0bcc WD |
1 | /* longjmp for PowerPC. |
| 2 | Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. | |
| 3 | This file is part of the GNU C Library. | |
| 4 | ||
| eee479cf WD |
5 | * SPDX-License-Identifier: LGPL-2.1+ |
| 6 | */ | |
| 85ec0bcc WD |
7 | |
| 8 | #include <ppc_asm.tmpl> | |
| 9 | ||
| 10 | # define JB_GPR1 0 /* Also known as the stack pointer */ | |
| 11 | # define JB_GPR2 1 | |
| 12 | # define JB_LR 2 /* The address we will return to */ | |
| 13 | # define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */ | |
| 14 | # define JB_CR 21 /* Condition code registers. */ | |
| 15 | # define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */ | |
| 16 | # define JB_SIZE (58*4) | |
| 17 | ||
| 18 | #define FP(x...) x | |
| 19 | #define FP(x...) x | |
| 20 | ||
| 3e38691e | 21 | .globl ppc_longjmp; |
| 85ec0bcc | 22 | |
| 3e38691e | 23 | ppc_longjmp: |
| 85ec0bcc WD |
24 | lwz r1,(JB_GPR1*4)(r3) |
| 25 | lwz r2,(JB_GPR2*4)(r3) | |
| 26 | lwz r0,(JB_LR*4)(r3) | |
| 27 | lwz r14,((JB_GPRS+0)*4)(r3) | |
| 28 | FP( lfd 14,((JB_FPRS+0*2)*4)(r3)) | |
| 29 | lwz r15,((JB_GPRS+1)*4)(r3) | |
| 30 | FP( lfd 15,((JB_FPRS+1*2)*4)(r3)) | |
| 31 | lwz r16,((JB_GPRS+2)*4)(r3) | |
| 32 | FP( lfd 16,((JB_FPRS+2*2)*4)(r3)) | |
| 33 | lwz r17,((JB_GPRS+3)*4)(r3) | |
| 34 | FP( lfd 17,((JB_FPRS+3*2)*4)(r3)) | |
| 35 | lwz r18,((JB_GPRS+4)*4)(r3) | |
| 36 | FP( lfd 18,((JB_FPRS+4*2)*4)(r3)) | |
| 37 | lwz r19,((JB_GPRS+5)*4)(r3) | |
| 38 | FP( lfd 19,((JB_FPRS+5*2)*4)(r3)) | |
| 39 | lwz r20,((JB_GPRS+6)*4)(r3) | |
| 40 | FP( lfd 20,((JB_FPRS+6*2)*4)(r3)) | |
| 41 | mtlr r0 | |
| 42 | lwz r21,((JB_GPRS+7)*4)(r3) | |
| 43 | FP( lfd 21,((JB_FPRS+7*2)*4)(r3)) | |
| 44 | lwz r22,((JB_GPRS+8)*4)(r3) | |
| 45 | FP( lfd 22,((JB_FPRS+8*2)*4)(r3)) | |
| 46 | lwz r0,(JB_CR*4)(r3) | |
| 47 | lwz r23,((JB_GPRS+9)*4)(r3) | |
| 48 | FP( lfd 23,((JB_FPRS+9*2)*4)(r3)) | |
| 49 | lwz r24,((JB_GPRS+10)*4)(r3) | |
| 50 | FP( lfd 24,((JB_FPRS+10*2)*4)(r3)) | |
| 51 | lwz r25,((JB_GPRS+11)*4)(r3) | |
| 52 | FP( lfd 25,((JB_FPRS+11*2)*4)(r3)) | |
| 53 | mtcrf 0xFF,r0 | |
| 54 | lwz r26,((JB_GPRS+12)*4)(r3) | |
| 55 | FP( lfd 26,((JB_FPRS+12*2)*4)(r3)) | |
| 56 | lwz r27,((JB_GPRS+13)*4)(r3) | |
| 57 | FP( lfd 27,((JB_FPRS+13*2)*4)(r3)) | |
| 58 | lwz r28,((JB_GPRS+14)*4)(r3) | |
| 59 | FP( lfd 28,((JB_FPRS+14*2)*4)(r3)) | |
| 60 | lwz r29,((JB_GPRS+15)*4)(r3) | |
| 61 | FP( lfd 29,((JB_FPRS+15*2)*4)(r3)) | |
| 62 | lwz r30,((JB_GPRS+16)*4)(r3) | |
| 63 | FP( lfd 30,((JB_FPRS+16*2)*4)(r3)) | |
| 64 | lwz r31,((JB_GPRS+17)*4)(r3) | |
| 65 | FP( lfd 31,((JB_FPRS+17*2)*4)(r3)) | |
| 66 | mr r3,r4 | |
| 67 | blr |