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/*
* interrupt.S - trampoline default exceptions/interrupts to C handlers
*
* Copyright (c) 2005-2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#include <config.h>
#include <asm/blackfin.h>
#include <asm/entry.h>
.text
/* default entry point for exceptions */
ENTRY(_trap)
CONFIG_BFIN_SCRATCH_REG = sp;
sp.l = LO(L1_SRAM_SCRATCH_END - 20);
sp.h = HI(L1_SRAM_SCRATCH_END - 20);
SAVE_ALL_SYS
r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
sp += -12;
call _trap_c;
sp += 12;
#if ANOMALY_05000257
R7 = LC0;
LC0 = R7;
R7 = LC1;
LC1 = R7;
#endif
RESTORE_ALL_SYS
sp = CONFIG_BFIN_SCRATCH_REG;
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)
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