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