发明名称 |
Patch-Gerät und Verfahren zum Patchen von Firmware-Funktionen |
摘要 |
A patching device and method thereof for patching a firmware function by a patch function. When a fetch address from a processor does not correspond to the firmware function, the patching device outputs an instruction of the fetch address to respond to the processor. When the fetch address corresponds to the replaced firmware function, the patching device outputs an artificial instruction to respond to the processor. The artificial instruction is one of series of machine codes corresponding to a plurality of patch intermediary instructions utilized to direct the processor to jump to the beginning address of the patch function. |
申请公布号 |
DE102009004279(B4) |
申请公布日期 |
2010.12.23 |
申请号 |
DE20091004279 |
申请日期 |
2009.01.05 |
申请人 |
MEDIATEK INC. |
发明人 |
HSU, HONG-KAI;HSU, TING-CHENG;WAN, WEI-LUN |
分类号 |
G06F9/318 |
主分类号 |
G06F9/318 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|