From 12753d22563f7d2d01f2c6644c7b66b06eb5c90f Mon Sep 17 00:00:00 2001
From: Xiang W <wxjstz@126.com>
Date: Thu, 16 Sep 2021 12:32:49 +0800
Subject: lib: sbi: add some macros to detect BUG at runtime
Three macros are added. One is called BUG, which is used to put in an
unreachable branch. One is called BUG_ON, which is used to check bugs
and assert conditions are opposite. One is called SBI_ASSERT, used for
assertion checking.
Signed-off-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
---
include/sbi/sbi_console.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/sbi/sbi_console.h b/include/sbi/sbi_console.h
index e24ba5f..28b4a79 100644
--- a/include/sbi/sbi_console.h
+++ b/include/sbi/sbi_console.h
@@ -11,6 +11,7 @@
#define __SBI_CONSOLE_H__
#include <sbi/sbi_types.h>
+#include <sbi/sbi_hart.h>
struct sbi_console_device {
/** Name of the console device */
@@ -51,4 +52,23 @@ struct sbi_scratch;
int sbi_console_init(struct sbi_scratch *scratch);
+#define BUG() do { \
+ sbi_printf("BUG: failure at %s:%d/%s()!\n", \
+ __FILE__, __LINE__, __func__); \
+ sbi_hart_hang(); \
+} while (0)
+
+#define BUG_ON(cond) do { \
+ if (cond) \
+ BUG(); \
+} while (0)
+
+#define SBI_ASSERT(cond) do { \
+ if (!(cond)) { \
+ sbi_printf("ASSERT: %s:%d/%s(): Assertion `%s` failed.\n", \
+ __FILE__,__LINE__,__func__, #cond);\
+ sbi_hart_hang(); \
+ } \
+} while (0)
+
#endif
--
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