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author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-04-04 14:20:42 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-04-04 14:20:42 +0200 |
commit | dd9f6d08a2736bf8ddc0004779c563a4c3a77cef (patch) | |
tree | 9e829ce3e8a29e76b6e8f1459b2636768d170a71 /arch/arm/include/asm/barebox-arm.h | |
parent | 2143dfda8b32b8d1cda16982efeca57ca97b3996 (diff) | |
parent | a81ec0225f5a100341c20b4329c8b1d81ab025c4 (diff) | |
download | barebox-dd9f6d08a2736bf8ddc0004779c563a4c3a77cef.tar.gz barebox-dd9f6d08a2736bf8ddc0004779c563a4c3a77cef.tar.xz |
Merge branch 'for-next/relocate'
Conflicts:
arch/arm/lib/barebox.lds.S
Diffstat (limited to 'arch/arm/include/asm/barebox-arm.h')
-rw-r--r-- | arch/arm/include/asm/barebox-arm.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h index f09709221e..cd8decfccd 100644 --- a/arch/arm/include/asm/barebox-arm.h +++ b/arch/arm/include/asm/barebox-arm.h @@ -26,6 +26,7 @@ #define _BAREBOX_ARM_H_ #include <sizes.h> +#include <asm-generic/memory_layout.h> /* cpu/.../cpu.c */ int cleanup_before_linux(void); @@ -40,7 +41,40 @@ void board_init_lowlevel(void); uint32_t get_runtime_offset(void); void setup_c(void); +void relocate_to_current_adr(void); +void relocate_to_adr(unsigned long target); void __noreturn barebox_arm_entry(uint32_t membase, uint32_t memsize, uint32_t boarddata); unsigned long barebox_arm_boarddata(void); +#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_ARM_EXCEPTIONS) +void arm_fixup_vectors(void); +#else +static inline void arm_fixup_vectors(void) +{ +} +#endif + +/* + * For relocatable binaries find a suitable start address for the + * relocated binary. Beginning at the memory end substract the reserved + * space and round down a bit at the end. This is used by the pbl to + * extract the image to a suitable place so that the uncompressed image + * does not have to copy itself to another place. Also it's used by + * the uncompressed image to relocate itself to the same place. + */ +static inline unsigned long arm_barebox_image_place(unsigned long endmem) +{ + endmem -= STACK_SIZE; + endmem -= SZ_32K; /* ttb */ + endmem -= SZ_128K; /* early malloc */ + endmem -= SZ_1M; /* place for barebox image */ + + /* + * round down to make translating the objdump easier + */ + endmem &= ~(SZ_1M - 1); + + return endmem; +} + #endif /* _BAREBOX_ARM_H_ */ |