Some architectures set CONFIG_HAVE_MACH_ARM_HEAD to customize the
barebox image header. Add a ENTRY_FUNCTION_HEAD macro which allows
a board to customize the barebox image header without having to
hook into a generic include file.

Signed-off-by: Sascha Hauer <[email protected]>
---
 arch/arm/include/asm/barebox-arm.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/include/asm/barebox-arm.h 
b/arch/arm/include/asm/barebox-arm.h
index d4be719bc4..0cf4549cd7 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -183,7 +183,7 @@ void __barebox_arm64_head(ulong x0, ulong x1, ulong x2);
        static void noinline ____##name                                 \
                (ulong arg0, ulong arg1, ulong arg2)
 
-#define ENTRY_FUNCTION(name, arg0, arg1, arg2)                         \
+#define ENTRY_FUNCTION_HEAD(name, head, arg0, arg1, arg2)              \
        void name(ulong r0, ulong r1, ulong r2);                        \
                                                                        \
        static void __##name(ulong, ulong, ulong);                      \
@@ -191,11 +191,14 @@ void __barebox_arm64_head(ulong x0, ulong x1, ulong x2);
        void __naked __section(.text_head_entry_##name) name            \
                                (ulong r0, ulong r1, ulong r2)          \
                {                                                       \
-                       __barebox_arm_head();                           \
+                       head();                         \
                        __##name(r0, r1, r2);                           \
                }                                                       \
        static void __naked noinline __##name                           \
                (ulong arg0, ulong arg1, ulong arg2)
+
+#define ENTRY_FUNCTION(name, arg0, arg1, arg2)         \
+               ENTRY_FUNCTION_HEAD(name, __barebox_arm_head, arg0, arg1, arg2)
 #endif
 
 /*
-- 
2.30.2


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