arm: use canonical sub mnemonic

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>

diff --git a/arch/arm/cpu/armv7/lowlevel_init.S b/arch/arm/cpu/armv7/lowlevel_init.S
index 69e3053a4262e7894c165b417c79aeb4e665845d..f1aea05c9094677c8e7c6bf8126d8d4ab970ba30 100644 (file)
--- a/arch/arm/cpu/armv7/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/lowlevel_init.S
@@ -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

diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index ac54b9359aea3b4954004e1b7805445ff0508b41..dfc2de9a618830e4c06a6a85705c142334ae9d30 100644 (file)
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -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