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of PCI-EBus-bridges actually match the BARs as specified in and required by [1, p. 113 f.]. Doing so earlier would have simplified diagnosing a bug in QEMU/OpenBIOS getting the mapping of child addresses wrong, which still needs to be fixed there. In theory, we could try to change the BARs accordingly if we hit this problem. However, at least with real machines changing the decoding likely won't work, especially if the PCI-EBus-bridge is beneath an APB one. So implementing such functionality generally is rather pointless. - Actually change the allocation type of EBus resources if they change from SYS_RES_MEMORY to SYS_RES_IOPORT when mapping them to PCI ranges in ebus_alloc_resource() and passing them up to bus_activate_resource(9). This may happen with the QEMU/OpenBIOS PCI-EBus-bridge but not real ones. Still, this is only cleans up the code and the result of resource allocation and activation is unchanged. - Change the remainder of printf(9) to device_printf(9) calls and canonicalize their wording. MFC after: 1 week Peripheral Component Interconnect Input Output Controller, Part No.: 802-7837-01, Sun Microelectronics, March 1997 [1] |
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| .. | ||
| central | ||
| conf | ||
| ebus | ||
| fhc | ||
| include | ||
| isa | ||
| pci | ||
| sbus | ||
| sparc64 | ||