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>
39 lines
835 B
ArmAsm
39 lines
835 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2021 SiFive
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*/
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#include <linux/linkage.h>
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#include <asm/asm.h>
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#include <asm/asm-offsets.h>
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#include <asm/alternative.h>
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.macro ADD_SIGN_EXT pt_reg badaddr tmp_reg
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REG_L \badaddr, PT_BADADDR(\pt_reg)
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li \tmp_reg,1
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slli \tmp_reg,\tmp_reg,0x26
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and \tmp_reg,\tmp_reg,\badaddr
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beqz \tmp_reg, 1f
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li \tmp_reg,-1
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slli \tmp_reg,\tmp_reg,0x27
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or \badaddr,\tmp_reg,\badaddr
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REG_S \badaddr, PT_BADADDR(\pt_reg)
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1:
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.endm
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SYM_FUNC_START(sifive_cip_453_page_fault_trp)
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ADD_SIGN_EXT a0, t0, t1
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#ifdef CONFIG_MMU
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la t0, do_page_fault
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#else
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la t0, do_trap_unknown
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#endif
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jr t0
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SYM_FUNC_END(sifive_cip_453_page_fault_trp)
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SYM_FUNC_START(sifive_cip_453_insn_fault_trp)
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ADD_SIGN_EXT a0, t0, t1
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la t0, do_trap_insn_fault
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jr t0
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SYM_FUNC_END(sifive_cip_453_insn_fault_trp)
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