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Introduce generic link section.h symbol files

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We create a separate header file for link symbols defined by the link
scripts. It is helpful to have these all in one place and try to
make them common across architectures. Since Linux already has a similar
file, we bring this in even though many of the symbols there are not
relevant to us.

Each architecture has its own asm/sections.h where symbols specifc to
that architecture can be added. For now everything except AVR32 just
includes the generic header.

One change is needed in arch/avr32/lib/board.c to make this conversion
work.

Reviewed-by: Tom Rini <trini@ti.com> (version 5)
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2013-03-05 14:39:37 +00:00
committed by Tom Rini
parent 3929fb0a14
commit 1865286466
16 changed files with 447 additions and 4 deletions
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6
arch/avr32/include/asm/sections.h
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@@ -22,11 +22,11 @@
#ifndef __ASM_AVR32_SECTIONS_H
#define __ASM_AVR32_SECTIONS_H
#include <asm-generic/sections.h>
/* References to section boundaries */
extern char _text[], _etext[];
extern char _data[], __data_lma[], _edata[], __edata_lma[];
extern char __data_lma[], __edata_lma[];
extern char __got_start[], __got_lma[], __got_end[];
extern char __bss_end[];
#endif /* __ASM_AVR32_SECTIONS_H */

2
arch/avr32/lib/board.c
View File

@@ -188,7 +188,7 @@ void board_init_f(ulong board_type)
* - stack
*/
addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
monitor_len = __bss_end - _text;
monitor_len = (char *)__bss_end - _text;
/*
* Reserve memory for u-boot code, data and bss.