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>
28 #include <devices/serial.h>
29 #include <devices/keyboard.h>
30 #include <devices/8259a.h>
31 #include <devices/8254.h>
32 #include <devices/nvram.h>
33 #include <devices/generic.h>
34 #include <devices/ramdisk.h>
35 #include <devices/cdrom.h>
36 #include <devices/bochs_debug.h>
40 #include <palacios/vmm_host_events.h>
45 #define ROMBIOS_START 0x000f0000
46 #define VGABIOS_START 0x000c0000
50 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
51 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
52 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
57 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
60 // memcpy((void*)guest_addr, src, length);
61 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
62 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
69 int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
70 extern v3_cpu_arch_t v3_cpu_type;
72 // Initialize the subsystem data strutures
75 v3_init_msr_map(info);
76 v3_init_interrupt_state(info);
77 v3_init_dev_mgr(info);
78 v3_init_host_events(info);
80 v3_init_decoder(info);
82 v3_init_shadow_map(info);
84 if (v3_cpu_type == V3_SVM_REV3_CPU) {
85 info->shdw_pg_mode = NESTED_PAGING;
87 v3_init_shadow_page_state(info);
88 info->shdw_pg_mode = SHADOW_PAGING;
91 // Initial CPU operating mode
92 info->cpu_mode = REAL;
93 info->mem_mode = PHYSICAL_MEM;
95 // Amount of ram the Guest will have
96 info->mem_size = config_ptr->mem_size;
98 // Configure the memory map for the guest
99 setup_memory_map(info, config_ptr);
101 // Configure the devices for the guest
102 setup_devices(info, config_ptr);
106 if (config_ptr->enable_profiling) {
107 info->enable_profiler = 1;
108 v3_init_profiler(info);
110 info->enable_profiler = 0;
113 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
115 // Setup initial cpu register state
117 info->vm_regs.rsp = 0x0;
125 * The amount of guest memory is stored in info->mem_size
126 * We need to make sure the memory map extends to cover it
128 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
132 uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
133 void * guest_mem = V3_AllocPages(num_pages);
135 PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
136 memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
138 v3_add_shadow_mem(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE) - 1, (addr_t)guest_mem);
140 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
141 (void *)ROMBIOS_START,
142 (void *)ROMBIOS_START + (num_pages * PAGE_SIZE),
149 uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
150 void * guest_mem = V3_AllocPages(num_pages);
152 PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
153 memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
155 v3_add_shadow_mem(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE) - 1, (addr_t)guest_mem);
157 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
158 (void *)VGABIOS_START,
159 (void *)VGABIOS_START + (num_pages * PAGE_SIZE),
164 v3_add_shadow_mem(info, 0x0, 0x9ffff, (addr_t)V3_AllocPages(160));
167 v3_add_shadow_mem(info, 0xa0000, 0xbffff, 0xa0000);
169 v3_hook_write_mem(info, 0xa0000, 0xbffff, 0xa0000, passthrough_mem_write, NULL);
173 //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
176 v3_add_shadow_mem(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
177 if (v3_add_shadow_mem(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
178 PrintDebug("Error adding shadow region\n");
181 v3_add_shadow_mem(info, 0xc0000, 0xc8000, 0xc0000);
182 v3_add_shadow_mem(info, 0xc8000, 0xf0000, 0xc8000);
187 v3_add_shadow_mem(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
189 /* MEMORY HOOK TEST */
190 v3_add_shadow_mem(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
191 v3_hook_write_mem(info, 0xa00000, 0xa01000, (addr_t)V3_AllocPages(1), passthrough_mem_write, NULL);
192 v3_add_shadow_mem(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
195 v3_add_shadow_mem(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
197 // test - give linux accesss to PCI space - PAD
198 v3_add_shadow_mem(info, 0xc0000000,0xffffffff,0xc0000000);
201 print_shadow_map(info);
208 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
209 struct vm_device * ramdisk = NULL;
210 struct vm_device * cdrom = NULL;
211 struct vm_device * nvram = v3_create_nvram();
212 //struct vm_device * timer = v3_create_timer();
213 struct vm_device * pic = v3_create_pic();
214 struct vm_device * keyboard = v3_create_keyboard();
215 struct vm_device * pit = v3_create_pit();
216 struct vm_device * bochs_debug = v3_create_bochs_debug();
218 //struct vm_device * serial = v3_create_serial();
219 struct vm_device * generic = NULL;
221 int use_ramdisk = config_ptr->use_ramdisk;
222 int use_generic = USE_GENERIC;
226 PrintDebug("Creating Ramdisk\n");
227 ramdisk = v3_create_ramdisk();
228 cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
233 generic = configure_generic(info, config_ptr);
237 v3_attach_device(info, nvram);
238 //v3_attach_device(info, timer);
239 v3_attach_device(info, pic);
240 v3_attach_device(info, pit);
241 v3_attach_device(info, keyboard);
242 // v3_attach_device(info, serial);
243 v3_attach_device(info, bochs_debug);
246 v3_attach_device(info, ramdisk);
247 v3_attach_device(info, cdrom);
251 // Important that this be attached last!
252 v3_attach_device(info, generic);
255 PrintDebugDevMgr(info);
258 // give keyboard interrupts to vm
259 // no longer needed since we have a keyboard device
260 //hook_irq(&vm_info, 1);
263 // give floppy controller to vm
264 v3_hook_passthrough_irq(info, 6);
269 PrintDebug("Hooking IDE IRQs\n");
272 v3_hook_passthrough_irq(info, 14);
275 v3_hook_passthrough_irq(info, 15);
284 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
285 PrintDebug("Creating Generic Device\n");
286 struct vm_device * generic = v3_create_generic();
288 // Make the DMA controller invisible
289 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
290 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
291 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
292 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
293 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
294 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
295 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
296 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
297 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
298 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
299 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
300 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
305 // Make the Serial ports invisible
307 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
308 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
313 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
314 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
319 // Make the PCI bus invisible (at least it's configuration)
321 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
322 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
328 // Monitor the IDE controllers (very slow)
329 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
330 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
334 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
335 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
341 // Make the floppy controllers invisible
343 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
344 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
345 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
346 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
347 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
348 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
354 // Make the parallel port invisible
356 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
362 // Monitor graphics card operations
364 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
365 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
371 // Make the ISA PNP features invisible
373 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
374 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
375 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
380 // Monitor any network card (realtek ne2000) operations
381 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
386 // Make any Bus master ide controller invisible
388 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
390 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);