1 | /* $Id: DevLpc.cpp 104289 2024-04-11 09:11:31Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * DevLPC - Minimal ICH9 LPC device emulation.
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2018-2023 Oracle and/or its affiliates.
|
---|
8 | *
|
---|
9 | * This file is part of VirtualBox base platform packages, as
|
---|
10 | * available from https://www.virtualbox.org.
|
---|
11 | *
|
---|
12 | * This program is free software; you can redistribute it and/or
|
---|
13 | * modify it under the terms of the GNU General Public License
|
---|
14 | * as published by the Free Software Foundation, in version 3 of the
|
---|
15 | * License.
|
---|
16 | *
|
---|
17 | * This program is distributed in the hope that it will be useful, but
|
---|
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
20 | * General Public License for more details.
|
---|
21 | *
|
---|
22 | * You should have received a copy of the GNU General Public License
|
---|
23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
---|
24 | *
|
---|
25 | * SPDX-License-Identifier: GPL-3.0-only
|
---|
26 | */
|
---|
27 |
|
---|
28 |
|
---|
29 | /*********************************************************************************************************************************
|
---|
30 | * Header Files *
|
---|
31 | *********************************************************************************************************************************/
|
---|
32 | #define LOG_GROUP LOG_GROUP_DEV_LPC
|
---|
33 | #include <VBox/vmm/pdmdev.h>
|
---|
34 | #include <VBox/vmm/stam.h>
|
---|
35 | #include <VBox/log.h>
|
---|
36 |
|
---|
37 | #include <iprt/assert.h>
|
---|
38 | #include <iprt/string.h>
|
---|
39 |
|
---|
40 | #include "VBoxDD.h"
|
---|
41 |
|
---|
42 |
|
---|
43 | /*********************************************************************************************************************************
|
---|
44 | * Defined Constants And Macros *
|
---|
45 | *********************************************************************************************************************************/
|
---|
46 | #define LPC_REG_HPET_CONFIG_POINTER 0x3404
|
---|
47 | #define LPC_REG_GCS 0x3410
|
---|
48 |
|
---|
49 |
|
---|
50 | /*********************************************************************************************************************************
|
---|
51 | * Structures and Typedefs *
|
---|
52 | *********************************************************************************************************************************/
|
---|
53 | /**
|
---|
54 | * The ICH9 LPC state.
|
---|
55 | */
|
---|
56 | typedef struct LPCSTATE
|
---|
57 | {
|
---|
58 | /** The root complex base address. */
|
---|
59 | RTGCPHYS32 GCPhys32Rcba;
|
---|
60 | /** The ICH version (7 or 9). */
|
---|
61 | uint8_t uIchVersion;
|
---|
62 | /** Explicit padding. */
|
---|
63 | uint8_t abPadding[HC_ARCH_BITS == 32 ? 3 : 7];
|
---|
64 |
|
---|
65 | /** Number of MMIO reads. */
|
---|
66 | STAMCOUNTER StatMmioReads;
|
---|
67 | /** Number of MMIO writes. */
|
---|
68 | STAMCOUNTER StatMmioWrites;
|
---|
69 | /** Number of PCI config space reads. */
|
---|
70 | STAMCOUNTER StatPciCfgReads;
|
---|
71 | /** Number of PCI config space writes. */
|
---|
72 | STAMCOUNTER StatPciCfgWrites;
|
---|
73 |
|
---|
74 | /** Handle to the MMIO region. */
|
---|
75 | IOMMMIOHANDLE hMmio;
|
---|
76 | } LPCSTATE;
|
---|
77 | /** Pointer to the LPC state. */
|
---|
78 | typedef LPCSTATE *PLPCSTATE;
|
---|
79 |
|
---|
80 |
|
---|
81 | #ifndef VBOX_DEVICE_STRUCT_TESTCASE
|
---|
82 |
|
---|
83 | /**
|
---|
84 | * @callback_method_impl{FNIOMMMIONEWREAD}
|
---|
85 | */
|
---|
86 | static DECLCALLBACK(VBOXSTRICTRC) lpcMmioRead(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS off, void *pv, unsigned cb)
|
---|
87 | {
|
---|
88 | RT_NOREF(pvUser, cb);
|
---|
89 | PLPCSTATE pThis = PDMDEVINS_2_DATA(pDevIns, PLPCSTATE);
|
---|
90 | Assert(cb == 4); Assert(!(off & 3)); /* IOMMMIO_FLAGS_READ_DWORD should make sure of this */
|
---|
91 |
|
---|
92 | uint32_t *puValue = (uint32_t *)pv;
|
---|
93 | if (off == LPC_REG_HPET_CONFIG_POINTER)
|
---|
94 | {
|
---|
95 | *puValue = 0xf0;
|
---|
96 | Log(("lpcMmioRead: HPET_CONFIG_POINTER: %#x\n", *puValue));
|
---|
97 | }
|
---|
98 | else if (off == LPC_REG_GCS)
|
---|
99 | {
|
---|
100 | *puValue = 0;
|
---|
101 | Log(("lpcMmioRead: GCS: %#x\n", *puValue));
|
---|
102 | }
|
---|
103 | else
|
---|
104 | {
|
---|
105 | *puValue = 0;
|
---|
106 | Log(("lpcMmioRead: WARNING! Unknown register %#RGp!\n", off));
|
---|
107 | }
|
---|
108 |
|
---|
109 | STAM_REL_COUNTER_INC(&pThis->StatMmioReads);
|
---|
110 | return VINF_SUCCESS;
|
---|
111 | }
|
---|
112 |
|
---|
113 |
|
---|
114 | /**
|
---|
115 | * @callback_method_impl{FNIOMMMIONEWWRITE}
|
---|
116 | */
|
---|
117 | static DECLCALLBACK(VBOXSTRICTRC) lpcMmioWrite(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS off, void const *pv, unsigned cb)
|
---|
118 | {
|
---|
119 | PLPCSTATE pThis = PDMDEVINS_2_DATA(pDevIns, PLPCSTATE);
|
---|
120 | RT_NOREF(pvUser, pv, cb);
|
---|
121 | Assert(cb == 4); Assert(!(off & 3)); /* IOMMMIO_FLAGS_WRITE_DWORD_xxx should make sure of this */
|
---|
122 |
|
---|
123 | if (off == LPC_REG_GCS)
|
---|
124 | Log(("lpcMmioWrite: Ignorning write to GCS: %.*Rhxs\n", cb, pv));
|
---|
125 | else
|
---|
126 | Log(("lpcMmioWrite: Ignorning write to unknown register %#RGp: %.*Rhxs\n", off, cb, pv));
|
---|
127 |
|
---|
128 | STAM_REL_COUNTER_INC(&pThis->StatMmioWrites);
|
---|
129 | return VINF_SUCCESS;
|
---|
130 | }
|
---|
131 |
|
---|
132 | #ifdef IN_RING3
|
---|
133 |
|
---|
134 | /**
|
---|
135 | * @callback_method_impl{FNPCICONFIGREAD}
|
---|
136 | */
|
---|
137 | static DECLCALLBACK(VBOXSTRICTRC) lpcR3PciConfigRead(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev,
|
---|
138 | uint32_t uAddress, unsigned cb, uint32_t *pu32Value)
|
---|
139 | {
|
---|
140 | PLPCSTATE pThis = PDMDEVINS_2_DATA(pDevIns, PLPCSTATE);
|
---|
141 | Assert(pPciDev == pDevIns->apPciDevs[0]);
|
---|
142 |
|
---|
143 | STAM_REL_COUNTER_INC(&pThis->StatPciCfgReads);
|
---|
144 | VBOXSTRICTRC rcStrict = PDMDevHlpPCIConfigRead(pDevIns, pPciDev, uAddress, cb, pu32Value);
|
---|
145 | switch (cb)
|
---|
146 | {
|
---|
147 | case 1: Log(("lpcR3PciConfigRead: %#04x -> %#04x (%Rrc)\n", uAddress, *pu32Value, VBOXSTRICTRC_VAL(rcStrict))); break;
|
---|
148 | case 2: Log(("lpcR3PciConfigRead: %#04x -> %#06x (%Rrc)\n", uAddress, *pu32Value, VBOXSTRICTRC_VAL(rcStrict))); break;
|
---|
149 | case 4: Log(("lpcR3PciConfigRead: %#04x -> %#010x (%Rrc)\n", uAddress, *pu32Value, VBOXSTRICTRC_VAL(rcStrict))); break;
|
---|
150 | }
|
---|
151 | return rcStrict;
|
---|
152 | }
|
---|
153 |
|
---|
154 |
|
---|
155 | /**
|
---|
156 | * @callback_method_impl{FNPCICONFIGWRITE}
|
---|
157 | */
|
---|
158 | static DECLCALLBACK(VBOXSTRICTRC) lpcR3PciConfigWrite(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev,
|
---|
159 | uint32_t uAddress, unsigned cb, uint32_t u32Value)
|
---|
160 | {
|
---|
161 | PLPCSTATE pThis = PDMDEVINS_2_DATA(pDevIns, PLPCSTATE);
|
---|
162 | Assert(pPciDev == pDevIns->apPciDevs[0]);
|
---|
163 |
|
---|
164 | STAM_REL_COUNTER_INC(&pThis->StatPciCfgWrites);
|
---|
165 | switch (cb)
|
---|
166 | {
|
---|
167 | case 1: Log(("lpcR3PciConfigWrite: %#04x <- %#04x\n", uAddress, u32Value)); break;
|
---|
168 | case 2: Log(("lpcR3PciConfigWrite: %#04x <- %#06x\n", uAddress, u32Value)); break;
|
---|
169 | case 4: Log(("lpcR3PciConfigWrite: %#04x <- %#010x\n", uAddress, u32Value)); break;
|
---|
170 | }
|
---|
171 |
|
---|
172 | return PDMDevHlpPCIConfigWrite(pDevIns, pPciDev, uAddress, cb, u32Value);
|
---|
173 | }
|
---|
174 |
|
---|
175 |
|
---|
176 | /**
|
---|
177 | * Info handler, device version.
|
---|
178 | *
|
---|
179 | * @param pDevIns Device instance which registered the info.
|
---|
180 | * @param pHlp Callback functions for doing output.
|
---|
181 | * @param pszArgs Argument string. Optional and specific to the handler.
|
---|
182 | */
|
---|
183 | static DECLCALLBACK(void) lpcInfo(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
184 | {
|
---|
185 | PLPCSTATE pThis = PDMDEVINS_2_DATA(pDevIns, PLPCSTATE);
|
---|
186 | PPDMPCIDEV pPciDev = pDevIns->apPciDevs[0];
|
---|
187 | RT_NOREF(pszArgs);
|
---|
188 |
|
---|
189 | if (pThis->uIchVersion == 7)
|
---|
190 | {
|
---|
191 | uint8_t b1 = PDMPciDevGetByte(pPciDev, 0xde);
|
---|
192 | uint8_t b2 = PDMPciDevGetByte(pPciDev, 0xad);
|
---|
193 | if ( b1 == 0xbe
|
---|
194 | && b2 == 0xef)
|
---|
195 | pHlp->pfnPrintf(pHlp, "APIC backdoor activated\n");
|
---|
196 | else
|
---|
197 | pHlp->pfnPrintf(pHlp, "APIC backdoor closed: %02x %02x\n", b1, b2);
|
---|
198 | }
|
---|
199 |
|
---|
200 | for (unsigned iLine = 0; iLine < 8; iLine++)
|
---|
201 | {
|
---|
202 | unsigned offBase = iLine < 4 ? 0x60 : 0x68 - 4;
|
---|
203 | uint8_t bMap = PDMPciDevGetByte(pPciDev, offBase + iLine);
|
---|
204 | if (bMap & 0x80)
|
---|
205 | pHlp->pfnPrintf(pHlp, "PIRQ%c_ROUT disabled\n", 'A' + iLine);
|
---|
206 | else
|
---|
207 | pHlp->pfnPrintf(pHlp, "PIRQ%c_ROUT -> IRQ%d\n", 'A' + iLine, bMap & 0xf);
|
---|
208 | }
|
---|
209 | }
|
---|
210 |
|
---|
211 |
|
---|
212 | /**
|
---|
213 | * @interface_method_impl{PDMDEVREG,pfnConstruct}
|
---|
214 | */
|
---|
215 | static DECLCALLBACK(int) lpcConstruct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
|
---|
216 | {
|
---|
217 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
218 | PLPCSTATE pThis = PDMDEVINS_2_DATA(pDevIns, PLPCSTATE);
|
---|
219 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
220 | Assert(iInstance == 0); RT_NOREF(iInstance);
|
---|
221 |
|
---|
222 | /*
|
---|
223 | * Read configuration.
|
---|
224 | */
|
---|
225 | PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "RCBA|ICHVersion", "");
|
---|
226 |
|
---|
227 | int rc = pHlp->pfnCFGMQueryU8Def(pCfg, "ICHVersion", &pThis->uIchVersion, 7 /** @todo 9 */);
|
---|
228 | if (RT_FAILURE(rc))
|
---|
229 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("Configuration error: Failed to query boolean value \"ICHVersion\""));
|
---|
230 | if ( pThis->uIchVersion != 7
|
---|
231 | && pThis->uIchVersion != 9)
|
---|
232 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("Configuration error: Invalid \"ICHVersion\" value (must be 7 or 9)"));
|
---|
233 |
|
---|
234 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "RCBA", &pThis->GCPhys32Rcba, UINT32_C(0xfed1c000));
|
---|
235 | if (RT_FAILURE(rc))
|
---|
236 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("Configuration error: Failed to query boolean value \"RCBA\""));
|
---|
237 |
|
---|
238 |
|
---|
239 | /*
|
---|
240 | * Register the PCI device.
|
---|
241 | *
|
---|
242 | * See sections 13.1 (page 371) and section 13.8.1 (page 429) in the ICH9
|
---|
243 | * specification.
|
---|
244 | *
|
---|
245 | * We set these up so they don't need much/any configuration from the
|
---|
246 | * guest. This is quite possibly wrong, but at the moment we just need to
|
---|
247 | * have this device working w/o lots of firmware fun.
|
---|
248 | */
|
---|
249 | PPDMPCIDEV pPciDev = pDevIns->apPciDevs[0];
|
---|
250 | PDMPCIDEV_ASSERT_VALID(pDevIns, pPciDev);
|
---|
251 |
|
---|
252 | PDMPciDevSetVendorId(pPciDev, 0x8086); /* Intel */
|
---|
253 | if (pThis->uIchVersion == 7)
|
---|
254 | PDMPciDevSetDeviceId(pPciDev, 0x27b9);
|
---|
255 | else if (pThis->uIchVersion == 9)
|
---|
256 | PDMPciDevSetDeviceId(pPciDev, 0x2918); /** @todo unsure if 0x2918 is the right PCI ID... */
|
---|
257 | else
|
---|
258 | AssertFailedReturn(VERR_INTERNAL_ERROR_3);
|
---|
259 | PDMPciDevSetCommand(pPciDev, PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS | PCI_COMMAND_BUSMASTER);
|
---|
260 | PDMPciDevSetStatus(pPciDev, 0x0210); /* Note! Used to be 0x0200 for ICH7. */
|
---|
261 | PDMPciDevSetRevisionId(pPciDev, 0x02);
|
---|
262 | PDMPciDevSetClassSub(pPciDev, 0x01); /* PCI-to-ISA bridge */
|
---|
263 | PDMPciDevSetClassBase(pPciDev, 0x06); /* bridge */
|
---|
264 | PDMPciDevSetHeaderType(pPciDev, 0x80); /* Normal, multifunction device (so that other devices can be its functions) */
|
---|
265 | if (pThis->uIchVersion == 7)
|
---|
266 | {
|
---|
267 | PDMPciDevSetSubSystemVendorId(pPciDev, 0x8086);
|
---|
268 | PDMPciDevSetSubSystemId(pPciDev, 0x7270);
|
---|
269 | }
|
---|
270 | else if (pThis->uIchVersion == 9)
|
---|
271 | {
|
---|
272 | PDMPciDevSetSubSystemVendorId(pPciDev, 0x0000); /** @todo docs stays subsystem IDs are zero, check real HW */
|
---|
273 | PDMPciDevSetSubSystemId(pPciDev, 0x0000);
|
---|
274 | }
|
---|
275 | PDMPciDevSetInterruptPin(pPciDev, 0x00); /* The LPC device itself generates no interrupts */
|
---|
276 | PDMPciDevSetDWord(pPciDev, 0x40, 0x00008001); /* PMBASE: ACPI base address; (PM_PORT_BASE (?) * 2 | PCI_ADDRESS_SPACE_IO) */
|
---|
277 | PDMPciDevSetByte(pPciDev, 0x44, 0x80); /* ACPI_CNTL: SCI is IRQ9, ACPI enabled */ /** @todo documented as defaulting to 0x00. */
|
---|
278 | PDMPciDevSetDWord(pPciDev, 0x48, 0x00000001); /* GPIOBASE (note: used to be zero) */
|
---|
279 | PDMPciDevSetByte(pPciDev, 0x4c, 0x4d); /* GC - GPIO control: ??? */ /** @todo documented as defaulting to 0x00. */
|
---|
280 | if (pThis->uIchVersion == 7)
|
---|
281 | PDMPciDevSetByte(pPciDev, 0x4e, 0x03); /* ??? */
|
---|
282 | PDMPciDevSetByte(pPciDev, 0x60, 0x0b); /* PIRQA_ROUT: PCI A -> IRQ 11 (documented default is 0x80) */
|
---|
283 | PDMPciDevSetByte(pPciDev, 0x61, 0x09); /* PIRQB_ROUT: PCI B -> IRQ 9 (documented default is 0x80) */
|
---|
284 | PDMPciDevSetByte(pPciDev, 0x62, 0x0b); /* PIRQC_ROUT: PCI C -> IRQ 11 (documented default is 0x80) */
|
---|
285 | PDMPciDevSetByte(pPciDev, 0x63, 0x09); /* PIRQD_ROUT: PCI D -> IRQ 9 (documented default is 0x80) */
|
---|
286 | PDMPciDevSetByte(pPciDev, 0x64, 0x10); /* SIRQ_CNTL: Serial IRQ Control 10h R/W, RO */
|
---|
287 | PDMPciDevSetByte(pPciDev, 0x68, 0x80); /* PIRQE_ROUT */
|
---|
288 | PDMPciDevSetByte(pPciDev, 0x69, 0x80); /* PIRQF_ROUT */
|
---|
289 | PDMPciDevSetByte(pPciDev, 0x6a, 0x80); /* PIRQG_ROUT */
|
---|
290 | PDMPciDevSetByte(pPciDev, 0x6b, 0x80); /* PIRQH_ROUT */
|
---|
291 | PDMPciDevSetWord(pPciDev, 0x6c, 0x00f8); /* IPC_IBDF: IOxAPIC bus:device:function. (Note! Used to be zero.) */
|
---|
292 | if (pThis->uIchVersion == 7)
|
---|
293 | {
|
---|
294 | /* No idea what this is/was yet: */
|
---|
295 | PDMPciDevSetByte(pPciDev, 0x70, 0x80);
|
---|
296 | PDMPciDevSetByte(pPciDev, 0x76, 0x0c);
|
---|
297 | PDMPciDevSetByte(pPciDev, 0x77, 0x0c);
|
---|
298 | PDMPciDevSetByte(pPciDev, 0x78, 0x02);
|
---|
299 | PDMPciDevSetByte(pPciDev, 0x79, 0x00);
|
---|
300 | }
|
---|
301 | PDMPciDevSetWord(pPciDev, 0x80, 0x0000); /* LPC_I/O_DEC: I/O decode ranges. */
|
---|
302 | PDMPciDevSetWord(pPciDev, 0x82, 0x0000); /* LPC_EN: LPC I/F enables. */
|
---|
303 | PDMPciDevSetDWord(pPciDev, 0x84, 0x00000000); /* GEN1_DEC: LPC I/F generic decode range 1. */
|
---|
304 | PDMPciDevSetDWord(pPciDev, 0x88, 0x00000000); /* GEN2_DEC: LPC I/F generic decode range 2. */
|
---|
305 | PDMPciDevSetDWord(pPciDev, 0x8c, 0x00000000); /* GEN3_DEC: LPC I/F generic decode range 3. */
|
---|
306 | PDMPciDevSetDWord(pPciDev, 0x90, 0x00000000); /* GEN4_DEC: LPC I/F generic decode range 4. */
|
---|
307 |
|
---|
308 | PDMPciDevSetWord(pPciDev, 0xa0, 0x0008); /* GEN_PMCON_1: Documented default is 0x0000 */
|
---|
309 | PDMPciDevSetByte(pPciDev, 0xa2, 0x00); /* GEN_PMON_2: */
|
---|
310 | PDMPciDevSetByte(pPciDev, 0xa4, 0x00); /* GEN_PMON_3: */
|
---|
311 | PDMPciDevSetByte(pPciDev, 0xa6, 0x00); /* GEN_PMON_LOCK: Configuration lock. */
|
---|
312 | if (pThis->uIchVersion == 7)
|
---|
313 | PDMPciDevSetByte(pPciDev, 0xa8, 0x0f); /* Is this part of GEN_PMON_LOCK? */
|
---|
314 | PDMPciDevSetByte(pPciDev, 0xab, 0x00); /* BM_BREAK_EN */
|
---|
315 | PDMPciDevSetDWord(pPciDev, 0xac, 0x00000000); /* PMIR: Power */
|
---|
316 | PDMPciDevSetDWord(pPciDev, 0xb8, 0x00000000); /* GPI_ROUT: GPI Route Control */
|
---|
317 | if (pThis->uIchVersion == 9)
|
---|
318 | {
|
---|
319 | /** @todo the next two values looks bogus. */
|
---|
320 | PDMPciDevSetDWord(pPciDev, 0xd0, 0x00112233); /* FWH_SEL1: Firmware Hub Select 1 */
|
---|
321 | PDMPciDevSetWord(pPciDev, 0xd4, 0x4567); /* FWH_SEL2: Firmware Hub Select 2 */
|
---|
322 | PDMPciDevSetWord(pPciDev, 0xd8, 0xffcf); /* FWH_DEC_EN1: Firmware Hub Decode Enable 1 */
|
---|
323 | PDMPciDevSetByte(pPciDev, 0xdc, 0x00); /* BIOS_CNTL: BIOS control */
|
---|
324 | PDMPciDevSetWord(pPciDev, 0xe0, 0x0009); /* FDCAP: Feature Detection Capability ID */
|
---|
325 | PDMPciDevSetByte(pPciDev, 0xe2, 0x0c); /* FDLEN: Feature Detection Capability Length */
|
---|
326 | PDMPciDevSetByte(pPciDev, 0xe3, 0x10); /* FDVER: Feature Detection Version */
|
---|
327 | PDMPciDevSetByte(pPciDev, 0xe4, 0x20); /* FDVCT[0]: 5=SATA RAID 0/1/5/10 capability (1=disabled) */
|
---|
328 | PDMPciDevSetByte(pPciDev, 0xe5, 0x00); /* FDVCT[1]: */
|
---|
329 | PDMPciDevSetByte(pPciDev, 0xe6, 0x00); /* FDVCT[2]: */
|
---|
330 | PDMPciDevSetByte(pPciDev, 0xe7, 0x00); /* FDVCT[3]: */
|
---|
331 | PDMPciDevSetByte(pPciDev, 0xe8, 0xc0); /* FDVCT[4]: 6-7=Intel active magament technology capability (11=disabled). */
|
---|
332 | PDMPciDevSetByte(pPciDev, 0xe9, 0x00); /* FDVCT[5]: */
|
---|
333 | PDMPciDevSetByte(pPciDev, 0xea, 0x00); /* FDVCT[6]: */
|
---|
334 | PDMPciDevSetByte(pPciDev, 0xeb, 0x00); /* FDVCT[7]: */
|
---|
335 | PDMPciDevSetByte(pPciDev, 0xec, 0x00); /* FDVCT[8]: */
|
---|
336 | PDMPciDevSetByte(pPciDev, 0xed, 0x00); /* FDVCT[9]: */
|
---|
337 | PDMPciDevSetByte(pPciDev, 0xee, 0x00); /* FDVCT[a]: */
|
---|
338 | PDMPciDevSetByte(pPciDev, 0xef, 0x00); /* FDVCT[b]: */
|
---|
339 | }
|
---|
340 |
|
---|
341 | /* RCBA: Root complex base address (documented default is 0x00000000). Bit 0 is enable bit. */
|
---|
342 | Assert(!(pThis->GCPhys32Rcba & 0x3fff)); /* 16KB aligned */
|
---|
343 | PDMPciDevSetDWord(pPciDev, 0xf0, pThis->GCPhys32Rcba | 1);
|
---|
344 |
|
---|
345 | rc = PDMDevHlpPCIRegisterEx(pDevIns, pPciDev, PDMPCIDEVREG_F_NOT_MANDATORY_NO, 31 /*uPciDevNo*/, 0 /*uPciFunNo*/, "lpc");
|
---|
346 | AssertRCReturn(rc, rc);
|
---|
347 | rc = PDMDevHlpPCIInterceptConfigAccesses(pDevIns, pPciDev, lpcR3PciConfigRead, lpcR3PciConfigWrite);
|
---|
348 | AssertRCReturn(rc, rc);
|
---|
349 |
|
---|
350 | /*
|
---|
351 | * Register the MMIO regions.
|
---|
352 | */
|
---|
353 | /** @todo This should actually be done when RCBA is enabled, but was
|
---|
354 | * mentioned above we just want this working. */
|
---|
355 | rc = PDMDevHlpMmioCreateAndMap(pDevIns, pThis->GCPhys32Rcba, 0x4000, lpcMmioWrite, lpcMmioRead,
|
---|
356 | IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_DWORD_ZEROED,
|
---|
357 | "LPC Memory", &pThis->hMmio);
|
---|
358 | AssertRCReturn(rc, rc);
|
---|
359 |
|
---|
360 |
|
---|
361 | /*
|
---|
362 | * Debug info and stats.
|
---|
363 | */
|
---|
364 | PDMDevHlpSTAMRegister(pDevIns, &pThis->StatMmioReads, STAMTYPE_COUNTER, "MMIOReads", STAMUNIT_OCCURENCES, "MMIO reads");
|
---|
365 | PDMDevHlpSTAMRegister(pDevIns, &pThis->StatMmioWrites, STAMTYPE_COUNTER, "MMIOWrites", STAMUNIT_OCCURENCES, "MMIO writes");
|
---|
366 | PDMDevHlpSTAMRegister(pDevIns, &pThis->StatPciCfgReads, STAMTYPE_COUNTER, "ConfigReads", STAMUNIT_OCCURENCES, "PCI config reads");
|
---|
367 | PDMDevHlpSTAMRegister(pDevIns, &pThis->StatPciCfgWrites, STAMTYPE_COUNTER, "ConfigWrites", STAMUNIT_OCCURENCES, "PCI config writes");
|
---|
368 |
|
---|
369 | PDMDevHlpDBGFInfoRegister(pDevIns, "lpc", "Display LPC status. (no arguments)", lpcInfo);
|
---|
370 |
|
---|
371 | return VINF_SUCCESS;
|
---|
372 | }
|
---|
373 |
|
---|
374 | #endif /* IN_RING3 */
|
---|
375 |
|
---|
376 | /**
|
---|
377 | * The device registration structure.
|
---|
378 | */
|
---|
379 | const PDMDEVREG g_DeviceLPC =
|
---|
380 | {
|
---|
381 | /* .u32Version = */ PDM_DEVREG_VERSION,
|
---|
382 | /* .uReserved0 = */ 0,
|
---|
383 | /* .szName = */ "lpc",
|
---|
384 | /* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS | PDM_DEVREG_FLAGS_NEW_STYLE,
|
---|
385 | /* .fClass = */ PDM_DEVREG_CLASS_MISC,
|
---|
386 | /* .cMaxInstances = */ 1,
|
---|
387 | /* .uSharedVersion = */ 42,
|
---|
388 | /* .cbInstanceShared = */ sizeof(LPCSTATE),
|
---|
389 | /* .cbInstanceCC = */ 0,
|
---|
390 | /* .cbInstanceRC = */ 0,
|
---|
391 | /* .cMaxPciDevices = */ 1,
|
---|
392 | /* .cMaxMsixVectors = */ 0,
|
---|
393 | /* .pszDescription = */ "Low Pin Count (LPC) Bus",
|
---|
394 | #if defined(IN_RING3)
|
---|
395 | /* .pszRCMod = */ "",
|
---|
396 | /* .pszR0Mod = */ "",
|
---|
397 | /* .pfnConstruct = */ lpcConstruct,
|
---|
398 | /* .pfnDestruct = */ NULL,
|
---|
399 | /* .pfnRelocate = */ NULL,
|
---|
400 | /* .pfnMemSetup = */ NULL,
|
---|
401 | /* .pfnPowerOn = */ NULL,
|
---|
402 | /* .pfnReset = */ NULL,
|
---|
403 | /* .pfnSuspend = */ NULL,
|
---|
404 | /* .pfnResume = */ NULL,
|
---|
405 | /* .pfnAttach = */ NULL,
|
---|
406 | /* .pfnDetach = */ NULL,
|
---|
407 | /* .pfnQueryInterface = */ NULL,
|
---|
408 | /* .pfnInitComplete = */ NULL,
|
---|
409 | /* .pfnPowerOff = */ NULL,
|
---|
410 | /* .pfnSoftReset = */ NULL,
|
---|
411 | /* .pfnReserved0 = */ NULL,
|
---|
412 | /* .pfnReserved1 = */ NULL,
|
---|
413 | /* .pfnReserved2 = */ NULL,
|
---|
414 | /* .pfnReserved3 = */ NULL,
|
---|
415 | /* .pfnReserved4 = */ NULL,
|
---|
416 | /* .pfnReserved5 = */ NULL,
|
---|
417 | /* .pfnReserved6 = */ NULL,
|
---|
418 | /* .pfnReserved7 = */ NULL,
|
---|
419 | #elif defined(IN_RING0)
|
---|
420 | /* .pfnEarlyConstruct = */ NULL,
|
---|
421 | /* .pfnConstruct = */ NULL,
|
---|
422 | /* .pfnDestruct = */ NULL,
|
---|
423 | /* .pfnFinalDestruct = */ NULL,
|
---|
424 | /* .pfnRequest = */ NULL,
|
---|
425 | /* .pfnReserved0 = */ NULL,
|
---|
426 | /* .pfnReserved1 = */ NULL,
|
---|
427 | /* .pfnReserved2 = */ NULL,
|
---|
428 | /* .pfnReserved3 = */ NULL,
|
---|
429 | /* .pfnReserved4 = */ NULL,
|
---|
430 | /* .pfnReserved5 = */ NULL,
|
---|
431 | /* .pfnReserved6 = */ NULL,
|
---|
432 | /* .pfnReserved7 = */ NULL,
|
---|
433 | #elif defined(IN_RC)
|
---|
434 | /* .pfnConstruct = */ NULL,
|
---|
435 | /* .pfnReserved0 = */ NULL,
|
---|
436 | /* .pfnReserved1 = */ NULL,
|
---|
437 | /* .pfnReserved2 = */ NULL,
|
---|
438 | /* .pfnReserved3 = */ NULL,
|
---|
439 | /* .pfnReserved4 = */ NULL,
|
---|
440 | /* .pfnReserved5 = */ NULL,
|
---|
441 | /* .pfnReserved6 = */ NULL,
|
---|
442 | /* .pfnReserved7 = */ NULL,
|
---|
443 | #else
|
---|
444 | # error "Not in IN_RING3, IN_RING0 or IN_RC!"
|
---|
445 | #endif
|
---|
446 | /* .u32VersionEnd = */ PDM_DEVREG_VERSION
|
---|
447 | };
|
---|
448 |
|
---|
449 | #endif /* VBOX_DEVICE_STRUCT_TESTCASE */
|
---|
450 |
|
---|