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| author | Wolfgang Denk <wd@pollux.denx.de> | 2006-10-24 14:21:16 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.denx.de> | 2006-10-24 14:21:16 +0200 |
| commit | 7b64fef33c66be648826c0ff9758298ef13d0604 (patch) | |
| tree | ea8a3685319987b5d135c2f48e9bc1eee4720640 /examples | |
| parent | 2da2d9a4766063b9848f3a35ad6025499cf87265 (diff) | |
| download | u-boot-7b64fef33c66be648826c0ff9758298ef13d0604.zip u-boot-7b64fef33c66be648826c0ff9758298ef13d0604.tar.gz u-boot-7b64fef33c66be648826c0ff9758298ef13d0604.tar.bz2 | |
Add AVR32 architecture support
Patch by Haavard Skinnemoen, 6 Sep 2006 16:23:02 +0200
This patch adds common infrastructure code for the Atmel AVR32
architecture. See doc/README.AVR32 for details.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/Makefile | 4 | ||||
| -rw-r--r-- | examples/stubs.c | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/examples/Makefile b/examples/Makefile index 680fe75..423a79b 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -57,6 +57,10 @@ ifeq ($(ARCH),blackfin) LOAD_ADDR = 0x1000 endif +ifeq ($(ARCH),avr32) +LOAD_ADDR = 0x00000000 +endif + include $(TOPDIR)/config.mk ELF = hello_world diff --git a/examples/stubs.c b/examples/stubs.c index 1caa575..ffd314e 100644 --- a/examples/stubs.c +++ b/examples/stubs.c @@ -138,6 +138,19 @@ gd_t *global_data; " P0 = [P0 + %1]\n" \ " JUMP (P0)\n" \ : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "P0"); +#elif defined(CONFIG_AVR32) +/* + * r6 holds the pointer to the global_data. r8 is call clobbered. + */ +#define EXPORT_FUNC(x) \ + asm volatile( \ + " .globl\t" #x "\n" \ + #x ":\n" \ + " ld.w r8, r6[%0]\n" \ + " ld.w pc, r8[%1]\n" \ + : \ + : "i"(offsetof(gd_t, jt)), "i"(XF_ ##x) \ + : "r8"); #else #error stubs definition missing for this architecture #endif |