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: Kevin Cernekee <cernekee@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2959/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -24,6 +24,7 @@ extern int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
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extern void (*board_nmi_handler_setup)(void);
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extern void (*board_ejtag_handler_setup)(void);
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extern void (*board_bind_eic_interrupt)(int irq, int regset);
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extern void (*board_ebase_setup)(void);
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extern int register_nmi_notifier(struct notifier_block *nb);
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@ -91,6 +91,7 @@ int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
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void (*board_nmi_handler_setup)(void);
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void (*board_ejtag_handler_setup)(void);
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void (*board_bind_eic_interrupt)(int irq, int regset);
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void (*board_ebase_setup)(void);
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static void show_raw_backtrace(unsigned long reg29)
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@ -1691,6 +1692,8 @@ void __init trap_init(void)
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ebase += (read_c0_ebase() & 0x3ffff000);
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}
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if (board_ebase_setup)
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board_ebase_setup();
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per_cpu_trap_init();
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/*
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