riscv: support trap-based WARN()

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The WARN() related function will trigger a debug exception. This can help
developers to analyze the cause of WARN() because if the debugger is
connected, the control flow will be transferred to debugging
environment.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

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Vincent Chen 2019-03-05 11:23:33 +08:00 • committed by Palmer Dabbelt

parent a21344dfc6

commit d18ebc274c

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1 changed files with 18 additions and 10 deletions

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arch/riscv/include/asm/bug.h

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