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question about syscall and interrupts......

To: <linux-mips@oss.sgi.com>
Subject: question about syscall and interrupts......
From: "machael thailer" <dony.he@huawei.com>
Date: Wed, 22 Aug 2001 10:33:08 +0800
Sender: owner-linux-mips@oss.sgi.com
Hello,
    I find that in handle_sys() of scall_o32.S, it calls:
        SAVE_SOME
    But in the various board interrupt handlers entry(int-handler.S), it
calls:
        SAVE_ALL

    So before entering syscall and interrupt handler entry, why do they need
save different registers? and interrupt need save more things than syscalls?

Thank you very much.

machael thailer




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