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| author | Mike Frysinger <vapier@gentoo.org> | 2011-06-29 16:21:28 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-07-12 02:17:46 -0400 |
| commit | e8e35efc8f2a16cf72ddc475df4ff26d76f03d1e (patch) | |
| tree | c01ebe9491bdac085826ecb5962f42f5c0a25880 /arch/blackfin/cpu | |
| parent | fd48d591009a1744c3fb76262af49357d66488ca (diff) | |
| download | u-boot-imx-e8e35efc8f2a16cf72ddc475df4ff26d76f03d1e.zip u-boot-imx-e8e35efc8f2a16cf72ddc475df4ff26d76f03d1e.tar.gz u-boot-imx-e8e35efc8f2a16cf72ddc475df4ff26d76f03d1e.tar.bz2 | |
Blackfin: serial: move early debug strings into .rodata section
Rewrite the assembly serial_early_puts() helper to place the strings
in the .rodata section rather than embedding them directly in the
.text section. Using .text is a little simpler, but it doesn't let
people execute out of internal L1 sram (since core reads don't work
on those regions).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/cpu')
| -rw-r--r-- | arch/blackfin/cpu/serial.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/blackfin/cpu/serial.h b/arch/blackfin/cpu/serial.h index f649e40..8a076dd 100644 --- a/arch/blackfin/cpu/serial.h +++ b/arch/blackfin/cpu/serial.h @@ -288,16 +288,16 @@ static inline void serial_early_puts(const char *s) */ #ifdef CONFIG_DEBUG_EARLY_SERIAL # define serial_early_puts(str) \ - call _get_pc; \ - jump 1f; \ + .section .rodata; \ + 7: \ .ascii "Early:"; \ .ascii __FILE__; \ .ascii ": "; \ .ascii str; \ .asciz "\n"; \ - .align 4; \ -1: \ - R0 += 2; \ + .previous; \ + R0.L = 7b; \ + R0.H = 7b; \ call _serial_puts; #else # define serial_early_puts(str) |