at91dataflashboot-1.05-eabi-fixes.patch
1.13 KB
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Get at91dataflashboot to build with EABI toolchains, by providing the
__aeabi_uidiv and __aeabi_uidivmod symbols. The code is based on
U-Boot's code.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
_udivsi3.S | 14 ++++++++++++++
1 file changed, 14 insertions(+)
Index: DataflashBoot-1.05/_udivsi3.S
===================================================================
--- DataflashBoot-1.05.orig/_udivsi3.S
+++ DataflashBoot-1.05/_udivsi3.S
@@ -12,8 +12,11 @@
.text
.globl __udivsi3
.type __udivsi3 ,function
+ .globl __aeabi_uidiv
+ .type __aeabi_uidiv ,function
.align 0
__udivsi3 :
+ __aeabi_uidiv:
cmp divisor, #0
beq Ldiv0
mov curbit, #1
@@ -68,6 +71,17 @@
mov r0, #0 @ about as wrong as it could be
ldmia sp!, {pc}
.size __udivsi3 , . - __udivsi3
+
+.globl __aeabi_uidivmod
+__aeabi_uidivmod:
+
+ stmfd sp!, {r0, r1, ip, lr}
+ bl __aeabi_uidiv
+ ldmfd sp!, {r1, r2, ip, lr}
+ mul r3, r0, r2
+ sub r1, r1, r3
+ mov pc, lr
+
/* # 235 "libgcc1.S" */
/* # 320 "libgcc1.S" */
/* # 421 "libgcc1.S" */