发明名称 |
Microprocessor instruction that allows system routine calls and returns from all contexts |
摘要 |
An apparatus comprises register means for storing a return context upon initiation of a supervisor call instruction and restoring means to restore a privilege level and status register upon execution of a supervisor return instruction. The supervisor call instruction can be called from all contexts.
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申请公布号 |
US7996659(B2) |
申请公布日期 |
2011.08.09 |
申请号 |
US20050145613 |
申请日期 |
2005.06.06 |
申请人 |
ATMEL CORPORATION |
发明人 |
RENNO ERIK K.;STROM OYVIND;ENGH-HALSTVEDT ANDREAS;SKINNEMOEN HAVARD |
分类号 |
G06F9/00 |
主分类号 |
G06F9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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