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2 Commits

Author SHA1 Message Date
Alvin Chang
ea5abd1f5e lib: sbi: Remove redundant call to sbi_hart_expected_trap_addr() 
The variable "sbi_hart_expected_trap" has already been extern variable.
Therefore, the program can directly refer to it instead of calling
sbi_hart_expected_trap_addr().

Signed-off-by: Alvin Chang <alvinga@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250703151957.2545958-2-alvinga@andestech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2025-07-20 20:54:34 +05:30
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