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[Qemu-devel] [PULL 01/49] spapr/rtas: Force big endian compile for rtas

From: David Gibson
Subject: [Qemu-devel] [PULL 01/49] spapr/rtas: Force big endian compile for rtas
Date: Tue, 2 Jul 2019 16:08:09 +1000

From: Alexey Kardashevskiy <address@hidden>

At the moment the rtas's Makefile uses generic QEMU rules which means
that when QEMU is compiled on a little endian system, the spapr-rtas.bin
is compiled as little endian too which is incorrect as it is always
executed in big endian mode.

This enforces -mbig by defining %.o:%.S rule as spapr-rtas.bin is
a standalone guest binary which should not depend on QEMU flags anyway.

Signed-off-by: Alexey Kardashevskiy <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: David Gibson <address@hidden>
 pc-bios/spapr-rtas/Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pc-bios/spapr-rtas/Makefile b/pc-bios/spapr-rtas/Makefile
index f26dd428b7..4b9bb12306 100644
--- a/pc-bios/spapr-rtas/Makefile
+++ b/pc-bios/spapr-rtas/Makefile
@@ -14,8 +14,11 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/spapr-rtas)
 build-all: spapr-rtas.bin
+%.o: %.S
+       $(call quiet-command,$(CCAS) -mbig -c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
 %.img: %.o
-       $(call quiet-command,$(CC) -nostdlib -o $@ 
+       $(call quiet-command,$(CC) -nostdlib -mbig -o $@ 
 %.bin: %.img
        $(call quiet-command,$(OBJCOPY) -O binary -j .text $< 

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