/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* This file contains miscellaneous low-level functions.
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
* Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
* and Paul Mackerras.
*
* PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
*
* setjmp/longjmp code by Paul Mackerras.
*/
#include <linux/export.h>
#include <asm/ppc_asm.h>
#include <asm/unistd.h>
#include <asm/asm-compat.h>
#include <asm/asm-offsets.h>
.text
/*
* Returns (address we are running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
* add_reloc_offset(x) returns x + reloc_offset().
*/
_GLOBAL (reloc_offset)
li r3, 0
_GLOBAL (add_reloc_offset)
mflr r0
bcl 20 ,31 ,$+4
1 : mflr r5
PPC_LL r4,(2 f-1 b)(r5)
subf r5,r4,r5
add r3,r3,r5
mtlr r0
blr
_ASM_NOKPROBE_SYMBOL(reloc_offset)
_ASM_NOKPROBE_SYMBOL(add_reloc_offset)
.align 3
2 : PPC_LONG 1 b
_GLOBAL (setjmp)
mflr r0
PPC_STL r0,0 (r3)
PPC_STL r1,SZL(r3)
PPC_STL r2,2 *SZL(r3)
#ifdef CONFIG_PPC32
mfcr r12
stmw r12, 3 *SZL(r3)
#else
mfcr r0
PPC_STL r0,3 *SZL(r3)
PPC_STL r13,4 *SZL(r3)
PPC_STL r14,5 *SZL(r3)
PPC_STL r15,6 *SZL(r3)
PPC_STL r16,7 *SZL(r3)
PPC_STL r17,8 *SZL(r3)
PPC_STL r18,9 *SZL(r3)
PPC_STL r19,10 *SZL(r3)
PPC_STL r20,11 *SZL(r3)
PPC_STL r21,12 *SZL(r3)
PPC_STL r22,13 *SZL(r3)
PPC_STL r23,14 *SZL(r3)
PPC_STL r24,15 *SZL(r3)
PPC_STL r25,16 *SZL(r3)
PPC_STL r26,17 *SZL(r3)
PPC_STL r27,18 *SZL(r3)
PPC_STL r28,19 *SZL(r3)
PPC_STL r29,20 *SZL(r3)
PPC_STL r30,21 *SZL(r3)
PPC_STL r31,22 *SZL(r3)
#endif
li r3,0
blr
_GLOBAL (longjmp)
#ifdef CONFIG_PPC32
lmw r12, 3 *SZL(r3)
mtcrf 0 x38, r12
#else
PPC_LL r13,4 *SZL(r3)
PPC_LL r14,5 *SZL(r3)
PPC_LL r15,6 *SZL(r3)
PPC_LL r16,7 *SZL(r3)
PPC_LL r17,8 *SZL(r3)
PPC_LL r18,9 *SZL(r3)
PPC_LL r19,10 *SZL(r3)
PPC_LL r20,11 *SZL(r3)
PPC_LL r21,12 *SZL(r3)
PPC_LL r22,13 *SZL(r3)
PPC_LL r23,14 *SZL(r3)
PPC_LL r24,15 *SZL(r3)
PPC_LL r25,16 *SZL(r3)
PPC_LL r26,17 *SZL(r3)
PPC_LL r27,18 *SZL(r3)
PPC_LL r28,19 *SZL(r3)
PPC_LL r29,20 *SZL(r3)
PPC_LL r30,21 *SZL(r3)
PPC_LL r31,22 *SZL(r3)
PPC_LL r0,3 *SZL(r3)
mtcrf 0 x38,r0
#endif
PPC_LL r0,0 (r3)
PPC_LL r1,SZL(r3)
PPC_LL r2,2 *SZL(r3)
mtlr r0
mr. r3, r4
bnelr
li r3, 1
blr
_GLOBAL (current_stack_frame)
PPC_LL r3,0 (r1)
blr
EXPORT_SYMBOL(current_stack_frame)
Messung V0.5 in Prozent C=93 H=92 G=92
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-06)
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