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author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-03 14:27:52 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-05 18:39:19 +0200 |
commit | 1fcc223e9f844bc7606840effd1d5b7405785df5 (patch) | |
tree | c7dc9efe4f688a6b9b9adccb39ba2b905c480667 /arch/arm/include | |
parent | 3c272204e67bb87eacd5a3e070305c401dce59c3 (diff) | |
download | barebox-1fcc223e9f844bc7606840effd1d5b7405785df5.tar.gz barebox-1fcc223e9f844bc7606840effd1d5b7405785df5.tar.xz |
ARM: add assembly function for setting up C environment
Sometimes Assembler beats C. In this case a small assembler
function called without parameters can:
- copy a binary to its link address
- clear the bss
- return to the same position in the copied binary
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/barebox-arm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h index 9e17b4f5fb..993130df2d 100644 --- a/arch/arm/include/asm/barebox-arm.h +++ b/arch/arm/include/asm/barebox-arm.h @@ -38,4 +38,6 @@ void board_init_lowlevel(void); void board_init_lowlevel_return(void); uint32_t get_runtime_offset(void); +void setup_c(void); + #endif /* _BAREBOX_ARM_H_ */ |