at91dataflashboot: add two patches
The first patch allows to build with an EABI toolchain. The second patch disables the install step of at91dataflashboot Makefile since it tries to copy files to /tftpboot. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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@ -0,0 +1,22 @@
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Disable the automatic installation of at91dataflashboot since it tries
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to install things to /tftpboot, which is not possible when not
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building as root.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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Makefile | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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Index: at91dataflashboot-1.05/Makefile
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===================================================================
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--- at91dataflashboot-1.05.orig/Makefile
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+++ at91dataflashboot-1.05/Makefile
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@@ -40,7 +40,7 @@
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I=config.h com.h dataflash.h embedded_services.h main.h stdio.h include/AT91RM9200.h include/lib_AT91RM9200.h
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-all: clean $(BINNAME) $(LSSNAME) install
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+all: clean $(BINNAME) $(LSSNAME)
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$(SIZE) $(OUTNAME)
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# C objects here
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@ -0,0 +1,43 @@
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Get at91dataflashboot to build with EABI toolchains, by providing the
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__aeabi_uidiv and __aeabi_uidivmod symbols. The code is based on
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U-Boot's code.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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_udivsi3.S | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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Index: DataflashBoot-1.05/_udivsi3.S
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===================================================================
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--- DataflashBoot-1.05.orig/_udivsi3.S
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+++ DataflashBoot-1.05/_udivsi3.S
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@@ -12,8 +12,11 @@
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.text
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.globl __udivsi3
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.type __udivsi3 ,function
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+ .globl __aeabi_uidiv
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+ .type __aeabi_uidiv ,function
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.align 0
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__udivsi3 :
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+ __aeabi_uidiv:
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cmp divisor, #0
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beq Ldiv0
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mov curbit, #1
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@@ -68,6 +71,17 @@
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mov r0, #0 @ about as wrong as it could be
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ldmia sp!, {pc}
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.size __udivsi3 , . - __udivsi3
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+
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+.globl __aeabi_uidivmod
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+__aeabi_uidivmod:
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+
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+ stmfd sp!, {r0, r1, ip, lr}
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+ bl __aeabi_uidiv
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+ ldmfd sp!, {r1, r2, ip, lr}
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+ mul r3, r0, r2
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+ sub r1, r1, r3
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+ mov pc, lr
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+
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/* # 235 "libgcc1.S" */
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/* # 320 "libgcc1.S" */
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/* # 421 "libgcc1.S" */
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