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authorSascha Hauer <s.hauer@pengutronix.de>2013-04-04 14:20:42 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2013-04-04 14:20:42 +0200
commitdd9f6d08a2736bf8ddc0004779c563a4c3a77cef (patch)
tree9e829ce3e8a29e76b6e8f1459b2636768d170a71 /arch/arm/include/asm/barebox-arm.h
parent2143dfda8b32b8d1cda16982efeca57ca97b3996 (diff)
parenta81ec0225f5a100341c20b4329c8b1d81ab025c4 (diff)
downloadbarebox-dd9f6d08a2736bf8ddc0004779c563a4c3a77cef.tar.gz
barebox-dd9f6d08a2736bf8ddc0004779c563a4c3a77cef.tar.xz
Merge branch 'for-next/relocate'
Conflicts: arch/arm/lib/barebox.lds.S
Diffstat (limited to 'arch/arm/include/asm/barebox-arm.h')
-rw-r--r--arch/arm/include/asm/barebox-arm.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h
index f09709221e..cd8decfccd 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -26,6 +26,7 @@
#define _BAREBOX_ARM_H_
#include <sizes.h>
+#include <asm-generic/memory_layout.h>
/* cpu/.../cpu.c */
int cleanup_before_linux(void);
@@ -40,7 +41,40 @@ void board_init_lowlevel(void);
uint32_t get_runtime_offset(void);
void setup_c(void);
+void relocate_to_current_adr(void);
+void relocate_to_adr(unsigned long target);
void __noreturn barebox_arm_entry(uint32_t membase, uint32_t memsize, uint32_t boarddata);
unsigned long barebox_arm_boarddata(void);
+#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_ARM_EXCEPTIONS)
+void arm_fixup_vectors(void);
+#else
+static inline void arm_fixup_vectors(void)
+{
+}
+#endif
+
+/*
+ * For relocatable binaries find a suitable start address for the
+ * relocated binary. Beginning at the memory end substract the reserved
+ * space and round down a bit at the end. This is used by the pbl to
+ * extract the image to a suitable place so that the uncompressed image
+ * does not have to copy itself to another place. Also it's used by
+ * the uncompressed image to relocate itself to the same place.
+ */
+static inline unsigned long arm_barebox_image_place(unsigned long endmem)
+{
+ endmem -= STACK_SIZE;
+ endmem -= SZ_32K; /* ttb */
+ endmem -= SZ_128K; /* early malloc */
+ endmem -= SZ_1M; /* place for barebox image */
+
+ /*
+ * round down to make translating the objdump easier
+ */
+ endmem &= ~(SZ_1M - 1);
+
+ return endmem;
+}
+
#endif /* _BAREBOX_ARM_H_ */