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The new PCI subsystem is initialized during runtime. PCI::Initializer is supposed to be called during early boot, to perform a few tests, and initialize the proper configuration space access mechanism. Kernel boot parameters can be specified by a user to determine what tests will occur, to aid debugging on problematic machines. After that, PCI::Initializer should be dismissed. PCI::IOAccess is a class that is derived from PCI::Access class and implements PCI configuration space access mechanism via x86 IO ports. PCI::MMIOAccess is a class that is derived from PCI::Access and implements PCI configurtaion space access mechanism via memory access. The new PCI subsystem also supports determination of IO/MMIO space needed by a device by checking a given BAR. In addition, Every device or component that use the PCI subsystem has changed to match the last changes. |
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| .. | ||
| Access.cpp | ||
| Access.h | ||
| Definitions.h | ||
| Initializer.cpp | ||
| Initializer.h | ||
| IOAccess.cpp | ||
| IOAccess.h | ||
| MMIOAccess.cpp | ||
| MMIOAccess.h | ||