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-rw-r--r--boot/at91dataflashboot/at91dataflashboot-1.05-eabi-fixes.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/boot/at91dataflashboot/at91dataflashboot-1.05-eabi-fixes.patch b/boot/at91dataflashboot/at91dataflashboot-1.05-eabi-fixes.patch
new file mode 100644
index 000000000..e38905f7c
--- /dev/null
+++ b/boot/at91dataflashboot/at91dataflashboot-1.05-eabi-fixes.patch
@@ -0,0 +1,43 @@
+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" */