diff options
Diffstat (limited to 'cpu/blackfin')
| -rw-r--r-- | cpu/blackfin/interrupt.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cpu/blackfin/interrupt.S b/cpu/blackfin/interrupt.S index dd2cc53..71e0fc6 100644 --- a/cpu/blackfin/interrupt.S +++ b/cpu/blackfin/interrupt.S @@ -5,6 +5,7 @@ * Licensed under the GPL-2 or later. */ +#include <config.h> #include <asm/blackfin.h> #include <asm/entry.h> @@ -12,12 +13,16 @@ /* 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; RESTORE_ALL_SYS + sp = CONFIG_BFIN_SCRATCH_REG; rtx; ENDPROC(_trap) |