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-rw-r--r--drivers/serial/serial-uclass.c2
-rw-r--r--include/vsprintf.h23
-rw-r--r--lib/fdtdec.c8
-rw-r--r--lib/vsprintf.c23
4 files changed, 47 insertions, 9 deletions
diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index b239691efe..b8c2f48228 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -70,7 +70,7 @@ static void serial_find_console_or_panic(void)
if (uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) &&
uclass_get_device(UCLASS_SERIAL, INDEX, &dev) &&
(uclass_first_device(UCLASS_SERIAL, &dev) || !dev))
- panic("No serial driver found");
+ panic_str("No serial driver found");
#undef INDEX
gd->cur_serial_dev = dev;
}
diff --git a/include/vsprintf.h b/include/vsprintf.h
index 5624482d57..09c8abd951 100644
--- a/include/vsprintf.h
+++ b/include/vsprintf.h
@@ -39,10 +39,33 @@ int strict_strtoul(const char *cp, unsigned int base, unsigned long *res);
unsigned long long simple_strtoull(const char *cp, char **endp,
unsigned int base);
long simple_strtol(const char *cp, char **endp, unsigned int base);
+
+/**
+ * panic() - Print a message and reset/hang
+ *
+ * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
+ * defined, then it will hang instead of reseting.
+ *
+ * @param fmt: printf() format string for message, which should not include
+ * \n, followed by arguments
+ */
void panic(const char *fmt, ...)
__attribute__ ((format (__printf__, 1, 2), noreturn));
/**
+ * panic_str() - Print a message and reset/hang
+ *
+ * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
+ * defined, then it will hang instead of reseting.
+ *
+ * This function can be used instead of panic() when your board does not
+ * already use printf(), * to keep code size small.
+ *
+ * @param fmt: string to display, which should not include \n
+ */
+void panic_str(const char *str) __attribute__ ((noreturn));
+
+/**
* Format a string and place it in a buffer
*
* @param buf The buffer to place the result into
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 331eae2ce1..577c60ed0d 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -565,9 +565,11 @@ int fdtdec_prepare_fdt(void)
{
if (!gd->fdt_blob || ((uintptr_t)gd->fdt_blob & 3) ||
fdt_check_header(gd->fdt_blob)) {
- printf("No valid FDT found - please append one to U-Boot "
- "binary, use u-boot-dtb.bin or define "
- "CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n");
+#ifdef CONFIG_SPL_BUILD
+ puts("Missing DTB\n");
+#else
+ puts("No valid device tree binary found - please append one to U-Boot binary, use u-boot-dtb.bin or define CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n");
+#endif
return -1;
}
return 0;
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index e0f264850f..bedc865240 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -842,13 +842,11 @@ int sprintf(char *buf, const char *fmt, ...)
return i;
}
-void panic(const char *fmt, ...)
+static void panic_finish(void) __attribute__ ((noreturn));
+
+static void panic_finish(void)
{
- va_list args;
- va_start(args, fmt);
- vprintf(fmt, args);
putc('\n');
- va_end(args);
#if defined(CONFIG_PANIC_HANG)
hang();
#else
@@ -859,6 +857,21 @@ void panic(const char *fmt, ...)
;
}
+void panic_str(const char *str)
+{
+ puts(str);
+ panic_finish();
+}
+
+void panic(const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ vprintf(fmt, args);
+ va_end(args);
+ panic_finish();
+}
+
void __assert_fail(const char *assertion, const char *file, unsigned line,
const char *function)
{