ReactOS 0.4.15-dev-8235-gcd88a97
hwpci.c
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1/*
2 * FreeLoader
3 *
4 * Copyright (C) 2004 Eric Kohl
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#include <freeldr.h>
22
23#include <debug.h>
25
27
28static
31{
33 PUCHAR Ptr;
34 ULONG Sum;
35 ULONG i;
36
38 while ((ULONG_PTR)Table < 0x100000)
39 {
40 if (Table->Signature == 'RIP$')
41 {
42 TRACE("Found signature\n");
43
44 if (Table->TableSize < FIELD_OFFSET(PCI_IRQ_ROUTING_TABLE, Slot) ||
45 Table->TableSize % 16 != 0)
46 {
47 ERR("Invalid routing table size (%u) at 0x%p. Continue searching...\n", Table->TableSize, Table);
49 continue;
50 }
51
52 Ptr = (PUCHAR)Table;
53 Sum = 0;
54 for (i = 0; i < Table->TableSize; i++)
55 {
56 Sum += Ptr[i];
57 }
58
59 if ((Sum & 0xFF) != 0)
60 {
61 ERR("Invalid routing table checksum (%#lx) at 0x%p. Continue searching...\n", Sum & 0xFF, Table);
62 }
63 else
64 {
65 TRACE("Valid checksum (%#lx): found routing table at 0x%p\n", Sum & 0xFF, Table);
66 return Table;
67 }
68 }
69
71 }
72
73 ERR("No valid routing table found!\n");
74
75 return NULL;
76}
77
78
81{
82 REGS RegsIn;
83 REGS RegsOut;
84
85 RegsIn.b.ah = 0xB1; /* Subfunction B1h */
86 RegsIn.b.al = 0x01; /* PCI BIOS present */
87
88 Int386(0x1A, &RegsIn, &RegsOut);
89
90 if (INT386_SUCCESS(RegsOut) &&
91 (RegsOut.d.edx == ' ICP') &&
92 (RegsOut.b.ah == 0))
93 {
94 TRACE("Found PCI bios\n");
95
96 TRACE("AL: %x\n", RegsOut.b.al);
97 TRACE("BH: %x\n", RegsOut.b.bh);
98 TRACE("BL: %x\n", RegsOut.b.bl);
99 TRACE("CL: %x\n", RegsOut.b.cl);
100
101 BusData->NoBuses = RegsOut.b.cl + 1;
102 BusData->MajorRevision = RegsOut.b.bh;
103 BusData->MinorRevision = RegsOut.b.bl;
104 BusData->HardwareMechanism = RegsOut.b.al;
105
106 return TRUE;
107 }
108
109 TRACE("No PCI bios found\n");
110
111 return FALSE;
112}
113
114
115static
116VOID
118{
119 PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
120 PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
123 ULONG Size;
124
126 if (Table != NULL)
127 {
128 TRACE("Table size: %u\n", Table->TableSize);
129
130 /* Set 'Configuration Data' value */
131 Size = FIELD_OFFSET(CM_PARTIAL_RESOURCE_LIST, PartialDescriptors) +
132 2 * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + Table->TableSize;
133 PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
134 if (PartialResourceList == NULL)
135 {
136 ERR("Failed to allocate resource descriptor\n");
137 return;
138 }
139
140 /* Initialize resource descriptor */
141 RtlZeroMemory(PartialResourceList, Size);
142 PartialResourceList->Version = 1;
143 PartialResourceList->Revision = 1;
144 PartialResourceList->Count = 2;
145
146 PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
147 PartialDescriptor->Type = CmResourceTypeBusNumber;
149 PartialDescriptor->u.BusNumber.Start = 0;
150 PartialDescriptor->u.BusNumber.Length = 1;
151
152 PartialDescriptor = &PartialResourceList->PartialDescriptors[1];
153 PartialDescriptor->Type = CmResourceTypeDeviceSpecific;
155 PartialDescriptor->u.DeviceSpecificData.DataSize = Table->TableSize;
156
157 memcpy(&PartialResourceList->PartialDescriptors[2],
158 Table,
159 Table->TableSize);
160
164 0,
165 0,
166 0xFFFFFFFF,
167 "PCI Real-mode IRQ Routing Table",
168 PartialResourceList,
169 Size,
170 &TableKey);
171 }
172}
173
174
175VOID
177{
178 PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
179 PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
180 PCI_REGISTRY_INFO BusData;
182 ULONG Size;
184 ULONG i;
185
186 /* Report the PCI BIOS */
187 if (FindPciBios(&BusData))
188 {
189 /* Set 'Configuration Data' value */
190 Size = FIELD_OFFSET(CM_PARTIAL_RESOURCE_LIST, PartialDescriptors);
191 PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
192 if (PartialResourceList == NULL)
193 {
194 ERR("Failed to allocate resource descriptor\n");
195 return;
196 }
197
198 /* Initialize resource descriptor */
199 RtlZeroMemory(PartialResourceList, Size);
200
201 /* Create new bus key */
202 FldrCreateComponentKey(SystemKey,
205 0,
206 0,
207 0xFFFFFFFF,
208 "PCI BIOS",
209 PartialResourceList,
210 Size,
211 &BiosKey);
212
213 /* Increment bus number */
214 (*BusNumber)++;
215
217
218 /* Report PCI buses */
219 for (i = 0; i < (ULONG)BusData.NoBuses; i++)
220 {
221 /* Check if this is the first bus */
222 if (i == 0)
223 {
224 /* Set 'Configuration Data' value */
226 PartialDescriptors) +
228 sizeof(PCI_REGISTRY_INFO);
229 PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
230 if (!PartialResourceList)
231 {
232 ERR("Failed to allocate resource descriptor! Ignoring remaining PCI buses. (i = %lu, NoBuses = %lu)\n",
233 i, (ULONG)BusData.NoBuses);
234 return;
235 }
236
237 /* Initialize resource descriptor */
238 RtlZeroMemory(PartialResourceList, Size);
239 PartialResourceList->Version = 1;
240 PartialResourceList->Revision = 1;
241 PartialResourceList->Count = 1;
242 PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
243 PartialDescriptor->Type = CmResourceTypeDeviceSpecific;
245 PartialDescriptor->u.DeviceSpecificData.DataSize = sizeof(PCI_REGISTRY_INFO);
246 memcpy(&PartialResourceList->PartialDescriptors[1],
247 &BusData,
248 sizeof(PCI_REGISTRY_INFO));
249 }
250 else
251 {
252 /* Set 'Configuration Data' value */
254 PartialDescriptors);
255 PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
256 if (!PartialResourceList)
257 {
258 ERR("Failed to allocate resource descriptor! Ignoring remaining PCI buses. (i = %lu, NoBuses = %lu)\n",
259 i, (ULONG)BusData.NoBuses);
260 return;
261 }
262
263 /* Initialize resource descriptor */
264 RtlZeroMemory(PartialResourceList, Size);
265 }
266
267 /* Create the bus key */
268 FldrCreateComponentKey(SystemKey,
271 0,
272 0,
273 0xFFFFFFFF,
274 "PCI",
275 PartialResourceList,
276 Size,
277 &BusKey);
278
279 /* Increment bus number */
280 (*BusNumber)++;
281 }
282 }
283}
284
285/* EOF */
unsigned char BOOLEAN
VOID FldrCreateComponentKey(_In_ PCONFIGURATION_COMPONENT_DATA SystemNode, _In_ CONFIGURATION_CLASS Class, _In_ CONFIGURATION_TYPE Type, _In_ IDENTIFIER_FLAG Flags, _In_ ULONG Key, _In_ ULONG Affinity, _In_ PCSTR IdentifierString, _In_ PCM_PARTIAL_RESOURCE_LIST ResourceList, _In_ ULONG Size, _Out_ PCONFIGURATION_COMPONENT_DATA *ComponentKey)
Definition: archwsup.c:198
static PPCI_IRQ_ROUTING_TABLE GetPciIrqRoutingTable(VOID)
Definition: hwpci.c:30
static VOID DetectPciIrqRoutingTable(PCONFIGURATION_COMPONENT_DATA BusKey)
Definition: hwpci.c:117
VOID DetectPciBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: hwpci.c:176
BOOLEAN PcFindPciBios(PPCI_REGISTRY_INFO BusData)
Definition: hwpci.c:80
FIND_PCI_BIOS FindPciBios
Definition: hwpci.c:26
BOOLEAN(* FIND_PCI_BIOS)(PPCI_REGISTRY_INFO BusData)
Definition: hardware.h:63
#define ERR(fmt,...)
Definition: debug.h:113
#define DBG_DEFAULT_CHANNEL(ch)
Definition: debug.h:106
FORCEINLINE PVOID FrLdrHeapAlloc(SIZE_T MemorySize, ULONG Tag)
Definition: mm.h:174
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
_Must_inspect_result_ _In_ PFSRTL_PER_STREAM_CONTEXT Ptr
Definition: fsrtlfuncs.h:898
ASMGENDATA Table[]
Definition: genincdata.c:61
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define CmResourceTypeDeviceSpecific
Definition: hwresource.cpp:127
struct _CM_PARTIAL_RESOURCE_DESCRIPTOR CM_PARTIAL_RESOURCE_DESCRIPTOR
#define CmResourceTypeBusNumber
Definition: hwresource.cpp:128
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
#define INT386_SUCCESS(regs)
Definition: pcbios.h:179
int __cdecl Int386(int ivec, REGS *in, REGS *out)
@ AdapterClass
Definition: arc.h:93
@ PeripheralClass
Definition: arc.h:95
@ MultiFunctionAdapter
Definition: arc.h:116
@ RealModeIrqRoutingTable
Definition: arc.h:143
struct _PCI_IRQ_ROUTING_TABLE * PPCI_IRQ_ROUTING_TABLE
struct _PCI_REGISTRY_INFO PCI_REGISTRY_INFO
#define TRACE(s)
Definition: solgame.cpp:4
unsigned char bl
Definition: pcbios.h:134
unsigned char cl
Definition: pcbios.h:137
unsigned char al
Definition: pcbios.h:131
unsigned char ah
Definition: pcbios.h:132
unsigned char bh
Definition: pcbios.h:135
unsigned long edx
Definition: pcbios.h:94
struct _CM_PARTIAL_RESOURCE_DESCRIPTOR::@398::@407 DeviceSpecificData
union _CM_PARTIAL_RESOURCE_DESCRIPTOR::@398 u
struct _CM_PARTIAL_RESOURCE_DESCRIPTOR::@398::@406 BusNumber
CM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptors[1]
Definition: hwresource.cpp:119
UCHAR MajorRevision
Definition: pci.h:107
UCHAR NoBuses
Definition: pci.h:109
UCHAR HardwareMechanism
Definition: pci.h:110
UCHAR MinorRevision
Definition: pci.h:108
#define FIELD_OFFSET(t, f)
Definition: typedefs.h:255
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
uint32_t ULONG_PTR
Definition: typedefs.h:65
unsigned char * PUCHAR
Definition: typedefs.h:53
uint32_t ULONG
Definition: typedefs.h:59
#define TAG_HW_RESOURCE_LIST
Definition: uefidisk.c:15
Definition: pcbios.h:159
DWORDREGS d
Definition: pcbios.h:161
BYTEREGS b
Definition: pcbios.h:163
_Must_inspect_result_ _In_ WDFDEVICE _In_ PWDF_DEVICE_PROPERTY_DATA _In_ DEVPROPTYPE _In_ ULONG Size
Definition: wdfdevice.h:4533
@ CmResourceShareDeviceExclusive
Definition: cmtypes.h:241
@ CmResourceShareUndetermined
Definition: cmtypes.h:240
_In_opt_ PUNICODE_STRING _In_ PDRIVER_OBJECT _In_ PDEVICE_OBJECT _In_ INTERFACE_TYPE _In_ ULONG BusNumber
Definition: halfuncs.h:160