mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 04:23:46 +00:00
71 lines
1.9 KiB
ArmAsm
71 lines
1.9 KiB
ArmAsm
/* setjmp for PowerPC.
|
|
Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
* SPDX-License-Identifier: LGPL-2.1+
|
|
*/
|
|
|
|
#include <ppc_asm.tmpl>
|
|
|
|
# define JB_GPR1 0 /* Also known as the stack pointer */
|
|
# define JB_GPR2 1
|
|
# define JB_LR 2 /* The address we will return to */
|
|
# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */
|
|
# define JB_CR 21 /* Condition code registers. */
|
|
# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */
|
|
# define JB_SIZE (58*4)
|
|
|
|
#define FP(x...) x
|
|
|
|
.globl setctxsp;
|
|
setctxsp:
|
|
mr r1, r3
|
|
blr
|
|
|
|
.globl ppc_setjmp;
|
|
ppc_setjmp:
|
|
stw r1,(JB_GPR1*4)(3)
|
|
mflr r0
|
|
stw r2,(JB_GPR2*4)(3)
|
|
stw r14,((JB_GPRS+0)*4)(3)
|
|
FP( stfd 14,((JB_FPRS+0*2)*4)(3))
|
|
stw r0,(JB_LR*4)(3)
|
|
stw r15,((JB_GPRS+1)*4)(3)
|
|
FP( stfd 15,((JB_FPRS+1*2)*4)(3))
|
|
mfcr r0
|
|
stw r16,((JB_GPRS+2)*4)(3)
|
|
FP( stfd 16,((JB_FPRS+2*2)*4)(3))
|
|
stw r0,(JB_CR*4)(3)
|
|
stw r17,((JB_GPRS+3)*4)(3)
|
|
FP( stfd 17,((JB_FPRS+3*2)*4)(3))
|
|
stw r18,((JB_GPRS+4)*4)(3)
|
|
FP( stfd 18,((JB_FPRS+4*2)*4)(3))
|
|
stw r19,((JB_GPRS+5)*4)(3)
|
|
FP( stfd 19,((JB_FPRS+5*2)*4)(3))
|
|
stw r20,((JB_GPRS+6)*4)(3)
|
|
FP( stfd 20,((JB_FPRS+6*2)*4)(3))
|
|
stw r21,((JB_GPRS+7)*4)(3)
|
|
FP( stfd 21,((JB_FPRS+7*2)*4)(3))
|
|
stw r22,((JB_GPRS+8)*4)(3)
|
|
FP( stfd 22,((JB_FPRS+8*2)*4)(3))
|
|
stw r23,((JB_GPRS+9)*4)(3)
|
|
FP( stfd 23,((JB_FPRS+9*2)*4)(3))
|
|
stw r24,((JB_GPRS+10)*4)(3)
|
|
FP( stfd 24,((JB_FPRS+10*2)*4)(3))
|
|
stw r25,((JB_GPRS+11)*4)(3)
|
|
FP( stfd 25,((JB_FPRS+11*2)*4)(3))
|
|
stw r26,((JB_GPRS+12)*4)(3)
|
|
FP( stfd 26,((JB_FPRS+12*2)*4)(3))
|
|
stw r27,((JB_GPRS+13)*4)(3)
|
|
FP( stfd 27,((JB_FPRS+13*2)*4)(3))
|
|
stw r28,((JB_GPRS+14)*4)(3)
|
|
FP( stfd 28,((JB_FPRS+14*2)*4)(3))
|
|
stw r29,((JB_GPRS+15)*4)(3)
|
|
FP( stfd 29,((JB_FPRS+15*2)*4)(3))
|
|
stw r30,((JB_GPRS+16)*4)(3)
|
|
FP( stfd 30,((JB_FPRS+16*2)*4)(3))
|
|
stw r31,((JB_GPRS+17)*4)(3)
|
|
FP( stfd 31,((JB_FPRS+17*2)*4)(3))
|
|
|
|
li 3, 0
|
|
blr
|