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https://github.com/riscv-software-src/opensbi.git
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8a3071222a
The AMO instructions are very critical for Linux so allow low-end RISC-V implementations without Zaamo to boot Linux by emulating AMO instructions using Zalrsc when OpenSBI is compiled without Zaamo. Signed-off-by: Chao-ying Fu <cfu@mips.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Link: https://lore.kernel.org/r/20250519121207.976949-1-apatel@ventanamicro.com Signed-off-by: Anup Patel <anup@brainfault.org>
24 lines
500 B
C
24 lines
500 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#ifndef __SBI_ILLEGAl_INSN_H__
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#define __SBI_ILLEGAl_INSN_H__
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#include <sbi/sbi_types.h>
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struct sbi_trap_context;
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typedef int (*illegal_insn_func)(ulong insn, struct sbi_trap_regs *regs);
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int truly_illegal_insn(ulong insn, struct sbi_trap_regs *regs);
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int sbi_illegal_insn_handler(struct sbi_trap_context *tcntx);
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#endif
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