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Commit 6fb97eff authored by Kevin Cernekee's avatar Kevin Cernekee Committed by Ralf Baechle
Browse files

MIPS: Add board_ebase_setup() 



Some systems need to relocate the MIPS exception vector base during
trap initialization.  Add a hook to make this possible.

Signed-off-by: default avatarKevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2959/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 34bd92e2

arch/mips/include/asm/traps.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

arch/mips/kernel/traps.c

+3 −0
Original line number Diff line number Diff line
@@ -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();



	/*