[U-Boot] [PATCH v4 11/27] x86: Change stub example to use asm-generic/sections.h

Simon Glass sjg at chromium.org
Thu Mar 15 03:16:08 CET 2012


We can use the declarations of __bss_start and _end from this header
instead of declaring them locally.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v4:
- Use asm/sections.h instead of asm-generic/sections.h

 examples/standalone/stubs.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c
index 15e9afc..8fb1765 100644
--- a/examples/standalone/stubs.c
+++ b/examples/standalone/stubs.c
@@ -217,16 +217,15 @@ void __attribute__((unused)) dummy(void)
 #include <_exports.h>
 }
 
-extern unsigned long __bss_start, _end;
+#include <asm/sections.h>
 
 void app_startup(char * const *argv)
 {
-	unsigned char * cp = (unsigned char *) &__bss_start;
+	char *cp = __bss_start;
 
 	/* Zero out BSS */
-	while (cp < (unsigned char *)&_end) {
+	while (cp < _end)
 		*cp++ = 0;
-	}
 
 #if defined(CONFIG_X86)
 	/* x86 does not have a dedicated register for passing global_data */
-- 
1.7.7.3



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