2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #include <palacios/vmm_config.h>
21 #include <palacios/vmm.h>
22 #include <palacios/vmm_debug.h>
23 #include <palacios/vmm_msr.h>
24 #include <palacios/vmm_decoder.h>
25 #include <palacios/vmm_profiler.h>
26 #include <palacios/vmm_mem.h>
27 #include <palacios/vmm_hypercall.h>
30 #include <devices/serial.h>
31 #include <devices/keyboard.h>
32 #include <devices/8259a.h>
33 #include <devices/8254.h>
34 #include <devices/nvram.h>
35 #include <devices/generic.h>
36 #include <devices/ide.h>
37 #include <devices/ram_cd.h>
38 #include <devices/ram_hd.h>
39 #include <devices/bochs_debug.h>
40 #include <devices/os_debug.h>
41 #include <devices/apic.h>
42 #include <devices/io_apic.h>
43 #include <devices/para_net.h>
44 #include <devices/pci.h>
45 #include <devices/i440fx.h>
46 #include <devices/piix3.h>
49 #include <palacios/vmm_host_events.h>
57 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
58 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
63 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
66 // memcpy((void*)guest_addr, src, length);
67 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
68 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
75 int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
76 extern v3_cpu_arch_t v3_cpu_type;
78 // Amount of ram the Guest will have, rounded to a 4K page boundary
79 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
82 // Initialize the subsystem data strutures
85 v3_init_msr_map(info);
86 v3_init_interrupt_state(info);
87 v3_init_exception_state(info);
88 v3_init_dev_mgr(info);
89 v3_init_host_events(info);
92 v3_init_decoder(info);
94 v3_init_hypercall_map(info);
97 // Initialize the memory map
98 v3_init_shadow_map(info);
101 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
102 (config_ptr->enable_nested_paging == 1)) {
103 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
104 info->shdw_pg_mode = NESTED_PAGING;
106 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
107 v3_init_shadow_page_state(info);
108 info->shdw_pg_mode = SHADOW_PAGING;
111 // Initial CPU operating mode
112 info->cpu_mode = REAL;
113 info->mem_mode = PHYSICAL_MEM;
115 // Configure the memory map for the guest
116 if (setup_memory_map(info, config_ptr) == -1) {
117 PrintError("Setting up guest memory map failed...\n");
122 if (config_ptr->enable_profiling) {
123 info->enable_profiler = 1;
124 v3_init_profiler(info);
126 info->enable_profiler = 0;
129 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
131 // Setup initial cpu register state
133 info->vm_regs.rsp = 0x0;
144 * The amount of guest memory is stored in info->mem_size
145 * We need to make sure the memory map extends to cover it
147 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
148 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
152 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
153 PrintError("Could not map VGA framebuffer\n");
157 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
160 #define VGABIOS_START 0x000c0000
161 #define ROMBIOS_START 0x000f0000
165 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
166 memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
171 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
172 memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
177 #define SEASTAR_START 0xffe00000
178 #define SEASTAR_END 0xffffffff
179 // Map the Seastar straight through
180 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
181 PrintError("Could not map through the seastar\n");
187 print_shadow_map(info);
194 int v3_config_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
196 struct vm_device * ide = NULL;
197 struct vm_device * ramdisk = NULL;
199 struct vm_device * pci = NULL;
200 struct vm_device * northbridge = NULL;
201 struct vm_device * southbridge = NULL;
203 struct vm_device * nvram = NULL;
204 struct vm_device * pic = v3_create_pic();
205 struct vm_device * keyboard = v3_create_keyboard();
206 struct vm_device * pit = v3_create_pit();
207 struct vm_device * bochs_debug = v3_create_bochs_debug();
208 struct vm_device * os_debug = v3_create_os_debug();
209 struct vm_device * apic = v3_create_apic();
210 struct vm_device * ioapic = v3_create_io_apic(apic);
211 struct vm_device * para_net = v3_create_para_net();
214 //struct vm_device * serial = v3_create_serial();
215 struct vm_device * generic = NULL;
218 int use_generic = USE_GENERIC;
220 if (config_ptr->enable_pci == 1) {
221 pci = v3_create_pci();
222 northbridge = v3_create_i440fx(pci);
223 southbridge = v3_create_piix3(pci);
224 ide = v3_create_ide(pci, southbridge);
226 ide = v3_create_ide(NULL, NULL);
231 nvram = v3_create_nvram(ide);
233 if (config_ptr->use_ram_cd == 1) {
234 PrintDebug("Creating Ram CD\n");
235 ramdisk = v3_create_ram_cd(ide, 0, 0,
236 (addr_t)(config_ptr->ramdisk),
237 config_ptr->ramdisk_size);
238 } else if (config_ptr->use_ram_hd == 1) {
239 PrintDebug("Creating Ram HD\n");
240 ramdisk = v3_create_ram_hd(ide, 0, 0,
241 (addr_t)(config_ptr->ramdisk),
242 config_ptr->ramdisk_size);
247 generic = configure_generic(info, config_ptr);
254 v3_attach_device(info, pic);
255 v3_attach_device(info, pit);
256 v3_attach_device(info, keyboard);
257 // v3_attach_device(info, serial);
258 v3_attach_device(info, bochs_debug);
259 v3_attach_device(info, os_debug);
261 v3_attach_device(info, apic);
262 v3_attach_device(info, ioapic);
264 v3_attach_device(info, para_net);
266 if (config_ptr->enable_pci == 1) {
267 PrintDebug("Attaching PCI\n");
268 v3_attach_device(info, pci);
269 PrintDebug("Attaching Northbridge\n");
270 v3_attach_device(info, northbridge);
271 PrintDebug("Attaching Southbridge\n");
272 v3_attach_device(info, southbridge);
275 PrintDebug("Attaching IDE\n");
276 v3_attach_device(info, ide);
278 if (ramdisk != NULL) {
279 v3_attach_device(info, ramdisk);
283 // Important that this be attached last!
284 v3_attach_device(info, generic);
287 // This should go last because it contains the hardware state
288 v3_attach_device(info, nvram);
290 PrintDebugDevMgr(info);
299 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
300 PrintDebug("Creating Generic Device\n");
301 struct vm_device * generic = v3_create_generic();
304 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
307 // Make the DMA controller invisible
308 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
309 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
310 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
311 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
312 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
313 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
314 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
315 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
316 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
317 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
318 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
319 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
324 // Make the Serial ports invisible
326 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
327 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
332 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
333 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
338 // Make the PCI bus invisible (at least it's configuration)
340 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
341 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
347 // Monitor the IDE controllers (very slow)
348 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
349 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
353 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
354 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
360 // Make the floppy controllers invisible
362 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
363 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
364 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
365 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
366 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
367 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
373 // Make the parallel port invisible
375 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
381 // Monitor graphics card operations
383 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
384 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
390 // Make the ISA PNP features invisible
392 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
393 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
394 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
399 // Monitor any network card (realtek ne2000) operations
400 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
405 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);