void SWI_or(swi, mask); // 邮箱值与mask进行或操作，当值为0时触发软中断SWI_Handle swi; /* SWI object handle*/Uns mask; /* value to be ORed */void SWI_andn(swi, mask); // 邮箱值与mask进行与非操作，当值为0时触发软中断SWI_Handle swi; /* SWI object handle*/Uns mask /* inverse value to be ANDed */void SWI_inc(swi); // Increment SWI’s mailbox value and post the SWISWI_Handle swi; /* SWI object handle*/void SWI_dec(swi); // Decrement SWI’s mailbox value and post if mailbox becomes 0SWI_Handle swi; /* SWI object handle*/
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