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arm: use canonical sub mnemonic

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Building some arm boards with older binutils may produce errors like this:

---8<---
crt0.S: Assembler messages:
crt0.S:70: Error: register expected, not '#(184)' -- `sub sp,#(184)'
--->8---

Use canonical version of the subtract mnemonic to avoid those issues.

Reported-by: Alexey Smishlayev <alexey@xtech2.lv>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
This commit is contained in:
Andreas Bießmann 2013-11-27 16:09:29 +01:00 • committed by Albert ARIBAUD
parent e6fe4bd989
commit 6ba2bc8fa9
2 changed files with 2 additions and 2 deletions
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2
arch/arm/cpu/armv7/lowlevel_init.S
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@ -24,7 +24,7 @@ ENTRY(lowlevel_init)
#ifdef CONFIG_SPL_BUILD
ldr r9, =gdata
#else
sub sp, #GD_SIZE
sub sp, sp, #GD_SIZE
bic sp, sp, #7
mov r9, sp
#endif

2
arch/arm/lib/crt0.S
View file

@ -67,7 +67,7 @@ ENTRY(_main)
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
#endif
bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
sub sp, #GD_SIZE /* allocate one GD above SP */
sub sp, sp, #GD_SIZE /* allocate one GD above SP */
bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
mov r9, sp /* GD is above SP */
mov r0, #0