diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/barebox-arm.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h index 11ef848773..54da10a1e4 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); @@ -40,6 +41,8 @@ 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); #if defined(CONFIG_RELOCATABLE) && defined(CONFIG_ARM_EXCEPTIONS) @@ -50,4 +53,27 @@ 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_ */ |