[PATCH v2 2/3] lib: sbi: dump logs when crash

Xiang W wxjstz at 126.com
Mon Jun 24 07:18:58 PDT 2024


When opensbi crashes, try to initialize the console in order to
output error messages.

Signed-off-by: Xiang W <wxjstz at 126.com>
---
 lib/sbi/sbi_hart.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
index c366701..48ec97c 100644
--- a/lib/sbi/sbi_hart.c
+++ b/lib/sbi/sbi_hart.c
@@ -1010,6 +1010,10 @@ int sbi_hart_init(struct sbi_scratch *scratch, bool cold_boot)
 
 void __attribute__((noreturn)) sbi_hart_hang(void)
 {
+	/* Try to initialize the console to output some error messages */
+	if (sbi_console_get_device() == NULL)
+		sbi_console_init(sbi_scratch_thishart_ptr());
+
 	while (1)
 		wfi();
 	__builtin_unreachable();
-- 
2.43.0




More information about the opensbi mailing list