forked from Mirrors/opensbi

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>