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Altera_Forum
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8 years ago

Physical address of global memory in a device

Hello everyone, I am currently using an OpenCL-enabled Bittware S5-PCIe-HQ board and I plan to create an OpenCL codesign between GPU and this FPGA. My idea is to split kernels between both...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

If you don`t (ex)change boards in PC slots between Windows runs, then all devices will have the same physical adresses.

A low-lewel program like PCIScope may show it physical adresses is now setted to PCIe BAR registers of board from OS, use it statically.

In WDM and other driver models may be know the adresses of shared memoryes dinamically through device names, may be need to write own kernel mode driver.