Efficient data transfer in a virus co-processing system
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United States of America Patent
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May 31, 2016
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N/A
app pub date -
Sep 20, 2013
filing date -
Aug 10, 2007
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Abstract
Circuits and methods are provided for detecting, identifying and/or removing undesired content. According to one embodiment, a method for virus co-processing is provided. A general purpose processor stores a data segment to its system memory using a virtual address. The system memory has stored therein a page directory and a page table containing information for translating virtual addresses to physical addresses within a physical address space of the system memory. A virus processing hardware accelerator translates the virtual address of the data segment to a physical address of the data segment based on the page directory and the page table. The hardware accelerator accesses the data segment based on the physical address. The hardware accelerator scans the data segment for viruses by executing multiple pattern comparisons against the data segment. The hardware accelerator returns a result of the scanning to the general purpose processor via the system memory.
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