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Diffstat (limited to 'hw/xfree86/os-support/shared/stdResource.c')
-rw-r--r--hw/xfree86/os-support/shared/stdResource.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/shared/stdResource.c b/hw/xfree86/os-support/shared/stdResource.c
new file mode 100644
index 000000000..5aae4ae9d
--- /dev/null
+++ b/hw/xfree86/os-support/shared/stdResource.c
@@ -0,0 +1,146 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/stdResource.c,v 1.20 2002/01/25 21:56:20 tsi Exp $ */
+
+/* Standard resource information code */
+
+#include "X.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86Privstr.h"
+#include "xf86Pci.h"
+#define NEED_OS_RAC_PROTOS
+#include "xf86_OSlib.h"
+#include "xf86Resources.h"
+
+/* Avoid Imakefile changes */
+#include "bus/Pci.h"
+
+#ifdef USESTDRES
+#define xf86StdBusAccWindowsFromOS xf86BusAccWindowsFromOS
+#define xf86StdAccResFromOS xf86AccResFromOS
+#define xf86StdPciBusAccWindowsFromOS xf86PciBusAccWindowsFromOS
+#define xf86StdIsaBusAccWindowsFromOS xf86IsaBusAccWindowsFromOS
+
+resRange PciAvoid[] = {_PCI_AVOID_PC_STYLE, _END};
+#endif
+
+#ifdef INCLUDE_XF86_NO_DOMAIN
+
+resPtr
+xf86StdBusAccWindowsFromOS(void)
+{
+ /* Fallback is to allow addressing of all memory space */
+ resPtr ret = NULL;
+ resRange range;
+
+ RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+
+ /* Fallback is to allow addressing of all I/O space */
+ RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ return ret;
+}
+
+resPtr
+xf86StdPciBusAccWindowsFromOS(void)
+{
+ /* Fallback is to allow addressing of all memory space */
+ resPtr ret = NULL;
+ resRange range;
+
+ RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+
+ /* Fallback is to allow addressing of all I/O space */
+ RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ return ret;
+}
+
+#ifdef INCLUDE_UNUSED
+
+resPtr
+xf86StdIsaBusAccWindowsFromOS(void)
+{
+ /* Fallback is to allow addressing of all memory space */
+ resPtr ret = NULL;
+ resRange range;
+
+ RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+
+ /* Fallback is to allow addressing of all I/O space */
+ RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ return ret;
+}
+
+#endif /* INCLUDE_UNUSED */
+
+resPtr
+xf86StdAccResFromOS(resPtr ret)
+{
+ resRange range;
+
+ /*
+ * Fallback is to claim the following areas:
+ *
+ * 0x00000000 - 0x0009ffff low 640k host memory
+ * 0x000c0000 - 0x000effff location of VGA and other extensions ROMS
+ * 0x000f0000 - 0x000fffff system BIOS
+ * 0x00100000 - 0x3fffffff low 1G - 1MB host memory
+ * 0xfec00000 - 0xfecfffff default I/O APIC config space
+ * 0xfee00000 - 0xfeefffff default Local APIC config space
+ * 0xffe00000 - 0xffffffff high BIOS area (should this be included?)
+ *
+ * reference: Intel 440BX AGP specs
+ *
+ * The two APIC spaces appear to be BX-specific and should be dealt with
+ * elsewhere.
+ */
+
+ /* Fallback is to claim 0x0 - 0x9ffff and 0x100000 - 0x7fffffff */
+ RANGE(range, 0x00000000, 0x0009ffff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ RANGE(range, 0x000c0000, 0x000effff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ RANGE(range, 0x000f0000, 0x000fffff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ RANGE(range, 0x00100000, 0x3fffffff,
+ ResExcMemBlock | ResBios | ResEstimated);
+ ret = xf86AddResToList(ret, &range, -1);
+#if 0
+ RANGE(range, 0xfec00000, 0xfecfffff, ResExcMemBlock | ResBios);
+ ret = xf86AddResToList(ret, &range, -1);
+ RANGE(range, 0xfee00000, 0xfeefffff, ResExcMemBlock | ResBios);
+ ret = xf86AddResToList(ret, &range, -1);
+#endif
+ RANGE(range, 0xffe00000, 0xffffffff, ResExcMemBlock | ResBios);
+ ret = xf86AddResToList(ret, &range, -1);
+
+ /*
+ * Fallback would be to claim well known ports in the 0x0 - 0x3ff range
+ * along with their sparse I/O aliases, but that's too imprecise. Instead
+ * claim a bare minimum here.
+ */
+ RANGE(range, 0x00000000, 0x000000ff, ResExcIoBlock); /* For mainboard */
+ ret = xf86AddResToList(ret, &range, -1);
+
+ /*
+ * At minimum, the top and bottom resources must be claimed, so that
+ * resources that are (or appear to be) unallocated can be relocated.
+ */
+/* RANGE(range, 0x00000000, 0x00000000, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ RANGE(range, 0xffffffff, 0xffffffff, ResExcMemBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+ RANGE(range, 0x00000000, 0x00000000, ResExcIoBlock);
+ ret = xf86AddResToList(ret, &range, -1); */
+ RANGE(range, 0x0000ffff, 0x0000ffff, ResExcIoBlock);
+ ret = xf86AddResToList(ret, &range, -1);
+
+ /* XXX add others */
+ return ret;
+}
+
+#endif /* INCLUDE_XF86_NO_DOMAIN */