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>
48 #include <palacios/vmm_host_events.h>
56 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
57 static int setup_devices(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 // Initialize the subsystem data strutures
81 v3_init_msr_map(info);
82 v3_init_interrupt_state(info);
83 v3_init_dev_mgr(info);
84 v3_init_host_events(info);
86 v3_init_decoder(info);
88 v3_init_shadow_map(info);
90 v3_init_hypercall_map(info);
92 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
93 (config_ptr->enable_nested_paging == 1)) {
94 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
95 info->shdw_pg_mode = NESTED_PAGING;
97 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
98 v3_init_shadow_page_state(info);
99 info->shdw_pg_mode = SHADOW_PAGING;
102 // Initial CPU operating mode
103 info->cpu_mode = REAL;
104 info->mem_mode = PHYSICAL_MEM;
106 // Amount of ram the Guest will have, rounded to a 4K page boundary
107 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
109 // Configure the memory map for the guest
110 if (setup_memory_map(info, config_ptr) == -1) {
111 PrintError("Setting up guest memory map failed...\n");
115 // Configure the devices for the guest
116 setup_devices(info, config_ptr);
120 if (config_ptr->enable_profiling) {
121 info->enable_profiler = 1;
122 v3_init_profiler(info);
124 info->enable_profiler = 0;
127 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
129 // Setup initial cpu register state
131 info->vm_regs.rsp = 0x0;
139 * The amount of guest memory is stored in info->mem_size
140 * We need to make sure the memory map extends to cover it
142 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
143 addr_t mem_pages = info->mem_size >> 12;
145 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
147 // Fill up to the 640K hole
148 if (mem_pages >= 160) {
149 if (v3_add_shadow_mem(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160)) == -1) {
150 PrintError("Could not map full conventional memory\n");
154 // Less than 640k of memory
155 if (v3_add_shadow_mem(info, 0x0, (mem_pages * PAGE_SIZE), (addr_t)V3_AllocPages(mem_pages)) == -1) {
156 PrintError("Could not map subset of conventional memory\n");
162 #define VGABIOS_START 0x000c0000
163 #define ROMBIOS_START 0x000f0000
167 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
168 PrintError("Could not map VGA framebuffer\n");
172 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
178 uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
179 void * guest_mem = V3_AllocPages(num_pages);
180 addr_t vgabios_end = VGABIOS_START + (num_pages * PAGE_SIZE);
182 PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
183 memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
185 if (v3_add_shadow_mem(info, VGABIOS_START, vgabios_end, (addr_t)guest_mem) == -1) {
186 PrintError("Could not map VGABIOS\n");
190 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
191 (void *)VGABIOS_START,
196 // Fill in the space between the VGABIOS and the ROMBIOS
197 // We'll just back this to shadow memory for now....
198 if (v3_add_shadow_mem(info, vgabios_end, ROMBIOS_START,
199 (addr_t)V3_AllocPages((ROMBIOS_START - vgabios_end) / PAGE_SIZE)) == -1) {
200 PrintError("Could not map VGABIOS->ROMBIOS gap\n");
207 uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
208 void * guest_mem = V3_AllocPages(num_pages);
209 addr_t rombios_end = ROMBIOS_START + (num_pages * PAGE_SIZE);
211 PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
212 memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
214 if (v3_add_shadow_mem(info, ROMBIOS_START, rombios_end, (addr_t)guest_mem) == -1) {
215 PrintError("Could not map ROMBIOS\n");
219 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
220 (void *)ROMBIOS_START,
224 if (rombios_end != 0x100000) {
225 PrintError("ROMBIOS must reach the 1MB barrier....\n");
232 #define SEASTAR_START 0xffe00000
233 #define SEASTAR_END 0xffffffff
235 // Fill in generic memory below the seastar
236 addr_t top_of_mem = (SEASTAR_START < info->mem_size) ? SEASTAR_START : info->mem_size;
237 int num_low_pages = (top_of_mem - 0x100000) / PAGE_SIZE;
239 if (v3_add_shadow_mem(info, 0x100000, top_of_mem, (addr_t)V3_AllocPages(num_low_pages)) == -1) {
240 PrintError("Could not extended memory below 4G\n");
244 // Map the Seastar straight through
245 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
246 PrintError("Could not map through the seastar\n");
251 // Add memory above the seastar
252 if (info->mem_size > SEASTAR_END) {
253 int num_high_pages = mem_pages - (SEASTAR_END / PAGE_SIZE);
255 if (v3_add_shadow_mem(info, SEASTAR_END, info->mem_size, (addr_t)V3_AllocPages(num_high_pages)) == -1) {
256 PrintError("Could not map extended memory above 4G\n");
262 // Fill in the extended memory map....
264 int num_ext_pages = mem_pages - (0x100000 / PAGE_SIZE);
266 if (num_ext_pages > 0) {
267 if (v3_add_shadow_mem(info, 0x100000, info->mem_size, (addr_t)V3_AllocPages(num_ext_pages)) == -1) {
268 PrintError("Could not allocate extended shadow memory\n");
275 print_shadow_map(info);
282 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
283 struct vm_device * ide = NULL;
284 // struct vm_device * ram_cd = NULL;
285 struct vm_device * ram_hd = NULL;
286 struct vm_device * pci = v3_create_pci();
287 struct vm_device * nvram = v3_create_nvram();
288 //struct vm_device * timer = v3_create_timer();
289 struct vm_device * pic = v3_create_pic();
290 struct vm_device * keyboard = v3_create_keyboard();
291 struct vm_device * pit = v3_create_pit();
292 struct vm_device * bochs_debug = v3_create_bochs_debug();
293 struct vm_device * os_debug = v3_create_os_debug();
294 struct vm_device * apic = v3_create_apic();
295 struct vm_device * ioapic = v3_create_io_apic(apic);
296 struct vm_device * para_net = v3_create_para_net();
298 //struct vm_device * serial = v3_create_serial();
299 struct vm_device * generic = NULL;
301 int use_ramdisk = config_ptr->use_ramdisk;
302 int use_generic = USE_GENERIC;
304 ide = v3_create_ide(pci);
307 PrintDebug("Creating Ramdisk\n");
308 // ram_cd = v3_create_ram_cd(ide, 0, 0,
309 // (addr_t)(config_ptr->ramdisk),
310 // config_ptr->ramdisk_size);
311 ram_hd = v3_create_ram_hd(ide, 0, 0,
312 (addr_t)(config_ptr->ramdisk),
313 config_ptr->ramdisk_size);
318 generic = configure_generic(info, config_ptr);
322 v3_attach_device(info, pci);
324 v3_attach_device(info, nvram);
325 //v3_attach_device(info, timer);
326 v3_attach_device(info, pic);
327 v3_attach_device(info, pit);
328 v3_attach_device(info, keyboard);
329 // v3_attach_device(info, serial);
330 v3_attach_device(info, bochs_debug);
331 v3_attach_device(info, os_debug);
333 v3_attach_device(info, apic);
334 v3_attach_device(info, ioapic);
336 v3_attach_device(info, para_net);
338 v3_attach_device(info, ide);
341 // v3_attach_device(info, ram_cd);
342 v3_attach_device(info, ram_hd);
346 // Important that this be attached last!
347 v3_attach_device(info, generic);
350 PrintDebugDevMgr(info);
353 // give keyboard interrupts to vm
354 // no longer needed since we have a keyboard device
355 //hook_irq(&vm_info, 1);
358 // give floppy controller to vm
359 v3_hook_passthrough_irq(info, 6);
364 PrintDebug("Hooking IDE IRQs\n");
367 v3_hook_passthrough_irq(info, 14);
370 v3_hook_passthrough_irq(info, 15);
379 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
380 PrintDebug("Creating Generic Device\n");
381 struct vm_device * generic = v3_create_generic();
383 // Make the DMA controller invisible
384 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
385 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
386 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
387 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
388 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
389 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
390 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
391 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
392 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
393 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
394 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
395 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
400 // Make the Serial ports invisible
402 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
403 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
408 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
409 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
414 // Make the PCI bus invisible (at least it's configuration)
416 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
417 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
423 // Monitor the IDE controllers (very slow)
424 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
425 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
429 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
430 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
436 // Make the floppy controllers invisible
438 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
439 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
440 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
441 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
442 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
443 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
449 // Make the parallel port invisible
451 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
457 // Monitor graphics card operations
459 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
460 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
466 // Make the ISA PNP features invisible
468 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
469 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
470 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
475 // Monitor any network card (realtek ne2000) operations
476 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
481 // Make any Bus master ide controller invisible
483 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
485 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);