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| author | Mike Frysinger <vapier@gentoo.org> | 2008-03-30 15:46:13 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2008-03-30 15:50:19 -0400 |
| commit | 9171fc81722c20fdb5a829a58b17c9eaadd5fb44 (patch) | |
| tree | d5b8741232955f2c01b0c36c46c867d15e8245a7 /cpu/blackfin/interrupt.S | |
| parent | 9ce7e53abd039decea1af67aec81bbd5df7a2593 (diff) | |
| download | u-boot-imx-9171fc81722c20fdb5a829a58b17c9eaadd5fb44.zip u-boot-imx-9171fc81722c20fdb5a829a58b17c9eaadd5fb44.tar.gz u-boot-imx-9171fc81722c20fdb5a829a58b17c9eaadd5fb44.tar.bz2 | |
Blackfin: unify cpu and boot modes
All of the duplicated code for Blackfin processors and boot modes have been
unified. After all, the core is the same for all processors, just the
peripheral set differs (which gets handled in the drivers).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'cpu/blackfin/interrupt.S')
| -rw-r--r-- | cpu/blackfin/interrupt.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/cpu/blackfin/interrupt.S b/cpu/blackfin/interrupt.S new file mode 100644 index 0000000..dd2cc53 --- /dev/null +++ b/cpu/blackfin/interrupt.S @@ -0,0 +1,33 @@ +/* + * interrupt.S - trampoline default exceptions/interrupts to C handlers + * + * Copyright (c) 2005-2007 Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +#include <asm/blackfin.h> +#include <asm/entry.h> + +.text + +/* default entry point for exceptions */ +ENTRY(_trap) + SAVE_ALL_SYS + r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ + sp += -12; + call _trap_c; + sp += 12; + RESTORE_ALL_SYS + rtx; +ENDPROC(_trap) + +/* default entry point for interrupts */ +ENTRY(_evt_default) + SAVE_ALL_SYS + r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ + sp += -12; + call _bfin_panic; + sp += 12; + RESTORE_ALL_SYS + rti; +ENDPROC(_evt_default) |