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authorDaniel Schwierzeck <daniel.schwierzeck@gmail.com>2013-02-12 22:22:12 +0100
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>2013-02-12 22:22:12 +0100
commita52852c5a65fe6636c7408829eced892deefc1de (patch)
treedcc9984f861c574ffe680a863d8f85ffad1bf20d
parent45397816b204da27efd7f23d7e017cf381c5c9cd (diff)
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MIPS: u-boot.lds: merge all BSS sections and introduce symbols __bss_[start|end]
These symbols are used in later patches for as addresses for clearing the BSS area in the relocated U-Boot image. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
-rw-r--r--arch/mips/cpu/u-boot.lds11
-rw-r--r--arch/mips/include/asm/u-boot-mips.h12
2 files changed, 18 insertions, 5 deletions
diff --git a/arch/mips/cpu/u-boot.lds b/arch/mips/cpu/u-boot.lds
index 58a49b2..6980b86 100644
--- a/arch/mips/cpu/u-boot.lds
+++ b/arch/mips/cpu/u-boot.lds
@@ -70,13 +70,14 @@ SECTIONS
uboot_end_data = .;
. = ALIGN(4);
- .sbss : {
- *(.sbss*)
- }
-
.bss : {
- *(.bss*)
+ __bss_start = .;
+ *(.sbss.*)
+ *(.bss.*)
+ *(COMMON)
. = ALIGN(4);
+ __bss_end = .;
}
+
uboot_end = .;
}
diff --git a/arch/mips/include/asm/u-boot-mips.h b/arch/mips/include/asm/u-boot-mips.h
index 6f26dfa..eda0498 100644
--- a/arch/mips/include/asm/u-boot-mips.h
+++ b/arch/mips/include/asm/u-boot-mips.h
@@ -8,4 +8,16 @@
extern ulong uboot_end_data;
extern ulong uboot_end;
+static inline unsigned long bss_start(void)
+{
+ extern ulong __bss_start;
+ return (unsigned long) &__bss_start;
+}
+
+static inline unsigned long bss_end(void)
+{
+ extern ulong __bss_end;
+ return (unsigned long) &__bss_end;
+}
+
extern int incaip_set_cpuclk(void);