We can use the declarations of __bss_start and _end from this header
instead of declaring them locally.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v5:
- Adjust u-boot-nds32.h link symbols to keep U-Boot building
Changes in v4:
- Use asm/sections.h instead of asm-generic/sections.h
- Adjust u-boot-x86.h link symbols to keep U-Boot building
Changes in v3: None
Changes in v2: None
arch/nds32/include/asm/u-boot-nds32.h | 8 ++++----
arch/x86/include/asm/u-boot-x86.h | 6 +++---
examples/standalone/stubs.c | 7 +++----
3 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/arch/nds32/include/asm/u-boot-nds32.h
b/arch/nds32/include/asm/u-boot-nds32.h
index a6d7beb..f3c7b27 100644
--- a/arch/nds32/include/asm/u-boot-nds32.h
+++ b/arch/nds32/include/asm/u-boot-nds32.h
@@ -30,10 +30,10 @@
#define _U_BOOT_NDS32_H_ 1
/* for the following variables, see start.S */
-extern ulong __bss_start; /* BSS start relative to _start */
-extern ulong __bss_end; /* BSS end relative to _start */
-extern ulong _end; /* end of image relative to _start */
-extern ulong _start; /* start of image relative to _start */
+extern char __bss_start[]; /* BSS start relative to _start */
+extern ulong __bss_end; /* BSS end relative to _start */
+extern char _end[]; /* end of image relative to _start */
+extern void _start(void); /* start of image relative to _start */
extern ulong _TEXT_BASE; /* code start */
extern ulong IRQ_STACK_START; /* top of IRQ stack */
extern ulong FIQ_STACK_START; /* top of FIQ stack */
diff --git a/arch/x86/include/asm/u-boot-x86.h
b/arch/x86/include/asm/u-boot-x86.h
index 948615d..3e380fe 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -25,13 +25,13 @@
#define _U_BOOT_I386_H_ 1
/* Exports from the Linker Script */
-extern ulong __text_start;
+extern char __text_start[];
extern ulong __data_end;
extern ulong __rel_dyn_start;
extern ulong __rel_dyn_end;
-extern ulong __bss_start;
+extern char __bss_start[];
extern ulong __bss_end;
-extern ulong _end;
+extern char _end[];
/* cpu/.../cpu.c */
int x86_cpu_init_r(void);
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 */
--
1.8.1
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