From d552fc8d369780150fd9837e1097b4b34a640d12 Mon Sep 17 00:00:00 2001 From: Xiang W Date: Wed, 16 Mar 2022 00:22:40 +0800 Subject: [PATCH] lib: Add error messages via conditional compilation for the future On 128-bit machines, sbi_load_xx/sbi_store_xx needs to be improved. Through this conditional compile, the corresponding implementation can be prompted to be added. Signed-off-by: Xiang W Reviewed-by: Anup Patel --- lib/sbi/sbi_unpriv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/sbi/sbi_unpriv.c b/lib/sbi/sbi_unpriv.c index 4246124..73b530c 100644 --- a/lib/sbi/sbi_unpriv.c +++ b/lib/sbi/sbi_unpriv.c @@ -83,7 +83,7 @@ DEFINE_UNPRIVILEGED_LOAD_FUNCTION(u32, lwu) DEFINE_UNPRIVILEGED_LOAD_FUNCTION(u64, ld) DEFINE_UNPRIVILEGED_STORE_FUNCTION(u64, sd) DEFINE_UNPRIVILEGED_LOAD_FUNCTION(ulong, ld) -#else +#elif __riscv_xlen == 32 DEFINE_UNPRIVILEGED_LOAD_FUNCTION(u32, lw) DEFINE_UNPRIVILEGED_LOAD_FUNCTION(ulong, lw) @@ -112,6 +112,8 @@ void sbi_store_u64(u64 *addr, u64 val, if (trap->cause) return; } +#else +# error "Unexpected __riscv_xlen" #endif ulong sbi_get_insn(ulong mepc, struct sbi_trap_info *trap) -- 2.7.4