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 int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
59 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
64 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
67 // memcpy((void*)guest_addr, src, length);
68 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
69 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
76 int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
77 extern v3_cpu_arch_t v3_cpu_type;
79 // Initialize the subsystem data strutures
82 v3_init_msr_map(info);
83 v3_init_interrupt_state(info);
84 v3_init_dev_mgr(info);
85 v3_init_host_events(info);
87 v3_init_decoder(info);
89 v3_init_shadow_map(info);
91 v3_init_hypercall_map(info);
93 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
94 (config_ptr->enable_nested_paging == 1)) {
95 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
96 info->shdw_pg_mode = NESTED_PAGING;
98 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
99 v3_init_shadow_page_state(info);
100 info->shdw_pg_mode = SHADOW_PAGING;
103 // Initial CPU operating mode
104 info->cpu_mode = REAL;
105 info->mem_mode = PHYSICAL_MEM;
107 // Amount of ram the Guest will have, rounded to a 4K page boundary
108 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
110 // Configure the memory map for the guest
111 if (setup_memory_map(info, config_ptr) == -1) {
112 PrintError("Setting up guest memory map failed...\n");
116 // Configure the devices for the guest
117 setup_devices(info, config_ptr);
121 if (config_ptr->enable_profiling) {
122 info->enable_profiler = 1;
123 v3_init_profiler(info);
125 info->enable_profiler = 0;
128 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
130 // Setup initial cpu register state
132 info->vm_regs.rsp = 0x0;
140 * The amount of guest memory is stored in info->mem_size
141 * We need to make sure the memory map extends to cover it
143 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
144 addr_t mem_pages = info->mem_size >> 12;
146 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
148 // Fill up to the 640K hole
149 if (mem_pages >= 160) {
150 if (v3_add_shadow_mem(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160)) == -1) {
151 PrintError("Could not map full conventional memory\n");
155 // Less than 640k of memory
156 if (v3_add_shadow_mem(info, 0x0, (mem_pages * PAGE_SIZE), (addr_t)V3_AllocPages(mem_pages)) == -1) {
157 PrintError("Could not map subset of conventional memory\n");
163 #define VGABIOS_START 0x000c0000
164 #define ROMBIOS_START 0x000f0000
168 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
169 PrintError("Could not map VGA framebuffer\n");
173 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
179 uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
180 void * guest_mem = V3_AllocPages(num_pages);
181 addr_t vgabios_end = VGABIOS_START + (num_pages * PAGE_SIZE);
183 PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
184 memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
186 if (v3_add_shadow_mem(info, VGABIOS_START, vgabios_end, (addr_t)guest_mem) == -1) {
187 PrintError("Could not map VGABIOS\n");
191 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
192 (void *)VGABIOS_START,
197 // Fill in the space between the VGABIOS and the ROMBIOS
198 // We'll just back this to shadow memory for now....
199 if (v3_add_shadow_mem(info, vgabios_end, ROMBIOS_START,
200 (addr_t)V3_AllocPages((ROMBIOS_START - vgabios_end) / PAGE_SIZE)) == -1) {
201 PrintError("Could not map VGABIOS->ROMBIOS gap\n");
208 uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
209 void * guest_mem = V3_AllocPages(num_pages);
210 addr_t rombios_end = ROMBIOS_START + (num_pages * PAGE_SIZE);
212 PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
213 memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
215 if (v3_add_shadow_mem(info, ROMBIOS_START, rombios_end, (addr_t)guest_mem) == -1) {
216 PrintError("Could not map ROMBIOS\n");
220 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
221 (void *)ROMBIOS_START,
225 if (rombios_end != 0x100000) {
226 PrintError("ROMBIOS must reach the 1MB barrier....\n");
233 #define SEASTAR_START 0xffe00000
234 #define SEASTAR_END 0xffffffff
236 // Fill in generic memory below the seastar
237 addr_t top_of_mem = (SEASTAR_START < info->mem_size) ? SEASTAR_START : info->mem_size;
238 int num_low_pages = (top_of_mem - 0x100000) / PAGE_SIZE;
240 if (v3_add_shadow_mem(info, 0x100000, top_of_mem, (addr_t)V3_AllocPages(num_low_pages)) == -1) {
241 PrintError("Could not extended memory below 4G\n");
245 // Map the Seastar straight through
246 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
247 PrintError("Could not map through the seastar\n");
252 // Add memory above the seastar
253 if (info->mem_size > SEASTAR_END) {
254 int num_high_pages = mem_pages - (SEASTAR_END / PAGE_SIZE);
256 if (v3_add_shadow_mem(info, SEASTAR_END, info->mem_size, (addr_t)V3_AllocPages(num_high_pages)) == -1) {
257 PrintError("Could not map extended memory above 4G\n");
263 // Fill in the extended memory map....
265 int num_ext_pages = mem_pages - (0x100000 / PAGE_SIZE);
267 if (num_ext_pages > 0) {
268 if (v3_add_shadow_mem(info, 0x100000, info->mem_size, (addr_t)V3_AllocPages(num_ext_pages)) == -1) {
269 PrintError("Could not allocate extended shadow memory\n");
276 print_shadow_map(info);
283 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
285 struct vm_device * ide = NULL;
286 struct vm_device * ramdisk = NULL;
288 struct vm_device * pci = NULL;
289 struct vm_device * northbridge = NULL;
290 struct vm_device * southbridge = NULL;
292 struct vm_device * nvram = v3_create_nvram();
293 struct vm_device * pic = v3_create_pic();
294 struct vm_device * keyboard = v3_create_keyboard();
295 struct vm_device * pit = v3_create_pit();
296 struct vm_device * bochs_debug = v3_create_bochs_debug();
297 struct vm_device * os_debug = v3_create_os_debug();
298 struct vm_device * apic = v3_create_apic();
299 struct vm_device * ioapic = v3_create_io_apic(apic);
300 struct vm_device * para_net = v3_create_para_net();
303 //struct vm_device * serial = v3_create_serial();
304 struct vm_device * generic = NULL;
307 int use_generic = USE_GENERIC;
309 if (config_ptr->enable_pci == 1) {
310 pci = v3_create_pci();
311 northbridge = v3_create_i440fx(pci);
312 southbridge = v3_create_piix3(pci);
313 ide = v3_create_ide(pci, southbridge);
315 ide = v3_create_ide(NULL, NULL);
319 if (config_ptr->use_ram_cd == 1) {
320 PrintDebug("Creating Ram CD\n");
321 ramdisk = v3_create_ram_cd(ide, 0, 0,
322 (addr_t)(config_ptr->ramdisk),
323 config_ptr->ramdisk_size);
324 } else if (config_ptr->use_ram_hd == 1) {
325 PrintDebug("Creating Ram HD\n");
326 ramdisk = v3_create_ram_hd(ide, 0, 0,
327 (addr_t)(config_ptr->ramdisk),
328 config_ptr->ramdisk_size);
333 generic = configure_generic(info, config_ptr);
339 v3_attach_device(info, nvram);
340 v3_attach_device(info, pic);
341 v3_attach_device(info, pit);
342 v3_attach_device(info, keyboard);
343 // v3_attach_device(info, serial);
344 v3_attach_device(info, bochs_debug);
345 v3_attach_device(info, os_debug);
347 v3_attach_device(info, apic);
348 v3_attach_device(info, ioapic);
350 v3_attach_device(info, para_net);
352 if (config_ptr->enable_pci == 1) {
353 PrintDebug("Attaching PCI\n");
354 v3_attach_device(info, pci);
355 PrintDebug("Attaching Northbridge\n");
356 v3_attach_device(info, northbridge);
357 PrintDebug("Attaching Southbridge\n");
358 v3_attach_device(info, southbridge);
361 PrintDebug("Attaching IDE\n");
362 v3_attach_device(info, ide);
365 if (ramdisk != NULL) {
366 v3_attach_device(info, ramdisk);
370 // Important that this be attached last!
371 v3_attach_device(info, generic);
374 PrintDebugDevMgr(info);
381 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
382 PrintDebug("Creating Generic Device\n");
383 struct vm_device * generic = v3_create_generic();
385 // Make the DMA controller invisible
386 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
387 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
388 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
389 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
390 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
391 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
392 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
393 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
394 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
395 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
396 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
397 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
402 // Make the Serial ports invisible
404 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
405 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
410 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
411 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
416 // Make the PCI bus invisible (at least it's configuration)
418 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
419 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
425 // Monitor the IDE controllers (very slow)
426 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
427 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
431 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
432 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
438 // Make the floppy controllers invisible
440 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
441 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
442 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
443 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
444 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
445 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
451 // Make the parallel port invisible
453 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
459 // Monitor graphics card operations
461 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
462 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
468 // Make the ISA PNP features invisible
470 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
471 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
472 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
477 // Monitor any network card (realtek ne2000) operations
478 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
483 // Make any Bus master ide controller invisible
485 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
487 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);