Unverified Commit df16c40c authored Apr 15, 2019 by Christoph Hellwig Committed by Palmer Dabbelt Apr 25, 2019

riscv: clear all pending interrupts when booting



Just in case an old interrupt is pending make sure we clear everything
asserted before this kernel started.  Based on similar M-mode code in
opensbi.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Nick Kossifidis <mick@ics.forth.gr>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

parent 09afac77

arch/riscv/kernel/head.S

+2 −1

Original line number	Diff line number	Diff line
		@@ -22,8 +22,9 @@

		__INIT
		ENTRY(_start)
		/* Mask all interrupts */
		/* Mask and clear all interrupts */
		csrw sie, zero
		csrw sip, zero

		/* Load the global pointer */
		.option push

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