Some systems need to relocate the MIPS exception vector base during trap initialization. Add a hook to make this possible. Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx> --- arch/mips/include/asm/traps.h | 1 + arch/mips/kernel/traps.c | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h index 4edab87..ff74aec 100644 --- a/arch/mips/include/asm/traps.h +++ b/arch/mips/include/asm/traps.h @@ -24,6 +24,7 @@ extern int (*board_be_handler)(struct pt_regs *regs, int is_fixup); extern void (*board_nmi_handler_setup)(void); extern void (*board_ejtag_handler_setup)(void); extern void (*board_bind_eic_interrupt)(int irq, int regset); +extern void (*board_ebase_setup)(void); extern int register_nmi_notifier(struct notifier_block *nb); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 33945aa..c18dfd4 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -91,6 +91,7 @@ int (*board_be_handler)(struct pt_regs *regs, int is_fixup); void (*board_nmi_handler_setup)(void); void (*board_ejtag_handler_setup)(void); void (*board_bind_eic_interrupt)(int irq, int regset); +void (*board_ebase_setup)(void); static void show_raw_backtrace(unsigned long reg29) @@ -1691,6 +1692,8 @@ void __init trap_init(void) ebase += (read_c0_ebase() & 0x3ffff000); } + if (board_ebase_setup) + board_ebase_setup(); per_cpu_trap_init(); /* -- 1.7.6.3
