mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
67 lines
1.9 KiB
ArmAsm
67 lines
1.9 KiB
ArmAsm
/* longjmp 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
|
|
#define FP(x...) x
|
|
|
|
.globl ppc_longjmp;
|
|
|
|
ppc_longjmp:
|
|
lwz r1,(JB_GPR1*4)(r3)
|
|
lwz r2,(JB_GPR2*4)(r3)
|
|
lwz r0,(JB_LR*4)(r3)
|
|
lwz r14,((JB_GPRS+0)*4)(r3)
|
|
FP( lfd 14,((JB_FPRS+0*2)*4)(r3))
|
|
lwz r15,((JB_GPRS+1)*4)(r3)
|
|
FP( lfd 15,((JB_FPRS+1*2)*4)(r3))
|
|
lwz r16,((JB_GPRS+2)*4)(r3)
|
|
FP( lfd 16,((JB_FPRS+2*2)*4)(r3))
|
|
lwz r17,((JB_GPRS+3)*4)(r3)
|
|
FP( lfd 17,((JB_FPRS+3*2)*4)(r3))
|
|
lwz r18,((JB_GPRS+4)*4)(r3)
|
|
FP( lfd 18,((JB_FPRS+4*2)*4)(r3))
|
|
lwz r19,((JB_GPRS+5)*4)(r3)
|
|
FP( lfd 19,((JB_FPRS+5*2)*4)(r3))
|
|
lwz r20,((JB_GPRS+6)*4)(r3)
|
|
FP( lfd 20,((JB_FPRS+6*2)*4)(r3))
|
|
mtlr r0
|
|
lwz r21,((JB_GPRS+7)*4)(r3)
|
|
FP( lfd 21,((JB_FPRS+7*2)*4)(r3))
|
|
lwz r22,((JB_GPRS+8)*4)(r3)
|
|
FP( lfd 22,((JB_FPRS+8*2)*4)(r3))
|
|
lwz r0,(JB_CR*4)(r3)
|
|
lwz r23,((JB_GPRS+9)*4)(r3)
|
|
FP( lfd 23,((JB_FPRS+9*2)*4)(r3))
|
|
lwz r24,((JB_GPRS+10)*4)(r3)
|
|
FP( lfd 24,((JB_FPRS+10*2)*4)(r3))
|
|
lwz r25,((JB_GPRS+11)*4)(r3)
|
|
FP( lfd 25,((JB_FPRS+11*2)*4)(r3))
|
|
mtcrf 0xFF,r0
|
|
lwz r26,((JB_GPRS+12)*4)(r3)
|
|
FP( lfd 26,((JB_FPRS+12*2)*4)(r3))
|
|
lwz r27,((JB_GPRS+13)*4)(r3)
|
|
FP( lfd 27,((JB_FPRS+13*2)*4)(r3))
|
|
lwz r28,((JB_GPRS+14)*4)(r3)
|
|
FP( lfd 28,((JB_FPRS+14*2)*4)(r3))
|
|
lwz r29,((JB_GPRS+15)*4)(r3)
|
|
FP( lfd 29,((JB_FPRS+15*2)*4)(r3))
|
|
lwz r30,((JB_GPRS+16)*4)(r3)
|
|
FP( lfd 30,((JB_FPRS+16*2)*4)(r3))
|
|
lwz r31,((JB_GPRS+17)*4)(r3)
|
|
FP( lfd 31,((JB_FPRS+17*2)*4)(r3))
|
|
mr r3,r4
|
|
blr
|