Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.1 KiB
ArmAsm
59 lines
1.1 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Quadword loads and stores
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* for use in instruction emulation.
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*
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* Copyright 2017 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com>
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*/
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#include <asm/processor.h>
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#include <asm/ppc_asm.h>
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#include <asm/ppc-opcode.h>
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#include <asm/reg.h>
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#include <asm/asm-offsets.h>
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#include <linux/errno.h>
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/* do_lq(unsigned long ea, unsigned long *regs) */
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_GLOBAL(do_lq)
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1: lq r6, 0(r3)
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std r6, 0(r4)
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std r7, 8(r4)
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li r3, 0
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blr
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2: li r3, -EFAULT
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blr
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EX_TABLE(1b, 2b)
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/* do_stq(unsigned long ea, unsigned long val0, unsigned long val1) */
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_GLOBAL(do_stq)
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1: stq r4, 0(r3)
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li r3, 0
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blr
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2: li r3, -EFAULT
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blr
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EX_TABLE(1b, 2b)
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/* do_lqarx(unsigned long ea, unsigned long *regs) */
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_GLOBAL(do_lqarx)
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1: PPC_LQARX(6, 0, 3, 0)
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std r6, 0(r4)
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std r7, 8(r4)
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li r3, 0
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blr
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2: li r3, -EFAULT
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blr
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EX_TABLE(1b, 2b)
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/* do_stqcx(unsigned long ea, unsigned long val0, unsigned long val1,
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unsigned int *crp) */
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_GLOBAL(do_stqcx)
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1: PPC_STQCX(4, 0, 3)
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mfcr r5
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stw r5, 0(r6)
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li r3, 0
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blr
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2: li r3, -EFAULT
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blr
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EX_TABLE(1b, 2b)
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