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authorXiang W <wxjstz@126.com>2022-03-15 19:22:40 +0300
committerAnup Patel <anup@brainfault.org>2022-03-27 06:24:12 +0300
commitd552fc8d369780150fd9837e1097b4b34a640d12 (patch)
tree85b1ef6933dcd2fffcbfbf2de537dbc862df2bc3
parentb6b7220a47e19b422fb470cffb4675f0a70e94f3 (diff)
downloadopensbi-d552fc8d369780150fd9837e1097b4b34a640d12.tar.xz
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 <wxjstz@126.com> Reviewed-by: Anup Patel <anup@brainfault.org>
-rw-r--r--lib/sbi/sbi_unpriv.c4
1 files changed, 3 insertions, 1 deletions
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)