147 lines
4.5 KiB
C
147 lines
4.5 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/stdResource.c,v 1.20 2002/01/25 21:56:20 tsi Exp $ */
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/* Standard resource information code */
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#include "X.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86Privstr.h"
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#include "xf86Pci.h"
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#define NEED_OS_RAC_PROTOS
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#include "xf86_OSlib.h"
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#include "xf86Resources.h"
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/* Avoid Imakefile changes */
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#include "bus/Pci.h"
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#ifdef USESTDRES
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#define xf86StdBusAccWindowsFromOS xf86BusAccWindowsFromOS
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#define xf86StdAccResFromOS xf86AccResFromOS
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#define xf86StdPciBusAccWindowsFromOS xf86PciBusAccWindowsFromOS
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#define xf86StdIsaBusAccWindowsFromOS xf86IsaBusAccWindowsFromOS
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resRange PciAvoid[] = {_PCI_AVOID_PC_STYLE, _END};
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#endif
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#ifdef INCLUDE_XF86_NO_DOMAIN
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resPtr
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xf86StdBusAccWindowsFromOS(void)
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{
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/* Fallback is to allow addressing of all memory space */
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resPtr ret = NULL;
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resRange range;
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RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* Fallback is to allow addressing of all I/O space */
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RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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return ret;
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}
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resPtr
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xf86StdPciBusAccWindowsFromOS(void)
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{
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/* Fallback is to allow addressing of all memory space */
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resPtr ret = NULL;
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resRange range;
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RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* Fallback is to allow addressing of all I/O space */
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RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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return ret;
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}
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#ifdef INCLUDE_UNUSED
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resPtr
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xf86StdIsaBusAccWindowsFromOS(void)
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{
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/* Fallback is to allow addressing of all memory space */
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resPtr ret = NULL;
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resRange range;
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RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* Fallback is to allow addressing of all I/O space */
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RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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return ret;
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}
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#endif /* INCLUDE_UNUSED */
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resPtr
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xf86StdAccResFromOS(resPtr ret)
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{
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resRange range;
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/*
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* Fallback is to claim the following areas:
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*
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* 0x00000000 - 0x0009ffff low 640k host memory
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* 0x000c0000 - 0x000effff location of VGA and other extensions ROMS
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* 0x000f0000 - 0x000fffff system BIOS
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* 0x00100000 - 0x3fffffff low 1G - 1MB host memory
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* 0xfec00000 - 0xfecfffff default I/O APIC config space
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* 0xfee00000 - 0xfeefffff default Local APIC config space
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* 0xffe00000 - 0xffffffff high BIOS area (should this be included?)
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*
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* reference: Intel 440BX AGP specs
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*
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* The two APIC spaces appear to be BX-specific and should be dealt with
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* elsewhere.
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*/
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/* Fallback is to claim 0x0 - 0x9ffff and 0x100000 - 0x7fffffff */
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RANGE(range, 0x00000000, 0x0009ffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x000c0000, 0x000effff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x000f0000, 0x000fffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x00100000, 0x3fffffff,
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ResExcMemBlock | ResBios | ResEstimated);
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ret = xf86AddResToList(ret, &range, -1);
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#if 0
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RANGE(range, 0xfec00000, 0xfecfffff, ResExcMemBlock | ResBios);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0xfee00000, 0xfeefffff, ResExcMemBlock | ResBios);
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ret = xf86AddResToList(ret, &range, -1);
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#endif
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RANGE(range, 0xffe00000, 0xffffffff, ResExcMemBlock | ResBios);
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ret = xf86AddResToList(ret, &range, -1);
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/*
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* Fallback would be to claim well known ports in the 0x0 - 0x3ff range
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* along with their sparse I/O aliases, but that's too imprecise. Instead
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* claim a bare minimum here.
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*/
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RANGE(range, 0x00000000, 0x000000ff, ResExcIoBlock); /* For mainboard */
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ret = xf86AddResToList(ret, &range, -1);
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/*
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* At minimum, the top and bottom resources must be claimed, so that
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* resources that are (or appear to be) unallocated can be relocated.
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*/
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/* RANGE(range, 0x00000000, 0x00000000, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0xffffffff, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x00000000, 0x00000000, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1); */
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RANGE(range, 0x0000ffff, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* XXX add others */
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return ret;
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}
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#endif /* INCLUDE_XF86_NO_DOMAIN */
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