forked from luck/tmp_suning_uos_patched
76d2a0493a
This contains the various __init C functions, the initial assembly kernel entry point, and the code to reset the system. When a file was init-related this patch contains the entire file. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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* Copyright (C) 2012 Regents of the University of California
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* Copyright (C) 2017 SiFive
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/interrupt.h>
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#include <linux/irqchip.h>
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#include <linux/irqdomain.h>
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#ifdef CONFIG_RISCV_INTC
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#include <linux/irqchip/irq-riscv-intc.h>
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#endif
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void __init init_IRQ(void)
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{
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irqchip_init();
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}
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asmlinkage void __irq_entry do_IRQ(unsigned int cause, struct pt_regs *regs)
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{
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#ifdef CONFIG_RISCV_INTC
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/*
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* FIXME: We don't want a direct call to riscv_intc_irq here. The plan
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* is to put an IRQ domain here and let the interrupt controller
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* register with that, but I poked around the arm64 code a bit and
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* there might be a better way to do it (ie, something fully generic).
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*/
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riscv_intc_irq(cause, regs);
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#endif
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}
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