buildroot

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" */