Files
opensbi/include/sbi/sbi_illegal_atomic.h
Chao-ying Fu 8a3071222a lib: Emulate AMO instructions when Zaamo is not available
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>
2025-05-20 09:18:03 +05:30

18 lines
272 B
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2025 MIPS
*
*/
#ifndef __SBI_ILLEGAL_ATOMIC_H__
#define __SBI_ILLEGAL_ATOMIC_H__
#include <sbi/sbi_types.h>
struct sbi_trap_regs;
int sbi_illegal_atomic(ulong insn, struct sbi_trap_regs *regs);
#endif