SYSENTER: Difference between revisions
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====CPU registers==== |
====CPU registers==== |
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'''These must be set by the application, or the C library wrapper'''<br /> |
'''These must be set by the application, or the C library wrapper'''<br /> |
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*ECX: User mode return |
*ECX: User mode return address |
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===Operation=== |
===Operation=== |
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NOTE: these instructions assume a flat segmented memory model (paging allowed). They require that "the code-segment base, limit, and attributes (except for CPL) are |
NOTE: these instructions assume a flat segmented memory model (paging allowed). They require that "the code-segment base, limit, and attributes (except for CPL) are |
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