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>
26 #include <devices/serial.h>
27 #include <devices/keyboard.h>
28 #include <devices/8259a.h>
29 #include <devices/8254.h>
30 #include <devices/nvram.h>
31 #include <devices/generic.h>
32 #include <devices/ramdisk.h>
33 #include <devices/cdrom.h>
34 #include <devices/bochs_debug.h>
37 #include <palacios/vmm_host_events.h>
42 #define ROMBIOS_START 0x000f0000
43 #define VGABIOS_START 0x000c0000
47 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
48 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
49 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
54 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
57 // memcpy((void*)guest_addr, src, length);
58 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
59 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
66 int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
67 extern v3_cpu_arch_t v3_cpu_type;
69 // Initialize the subsystem data strutures
71 v3_init_vmm_io_map(info);
72 v3_init_msr_map(info);
73 v3_init_interrupt_state(info);
74 v3_init_dev_mgr(info);
75 v3_init_host_events(info);
77 v3_init_decoder(info);
79 init_shadow_map(info);
81 if (v3_cpu_type == V3_SVM_REV3_CPU) {
82 info->shdw_pg_mode = NESTED_PAGING;
84 v3_init_shadow_page_state(info);
85 info->shdw_pg_mode = SHADOW_PAGING;
88 // Initial CPU operating mode
89 info->cpu_mode = REAL;
90 info->mem_mode = PHYSICAL_MEM;
92 // Amount of ram the Guest will have
93 info->mem_size = config_ptr->mem_size;
95 // Configure the memory map for the guest
96 setup_memory_map(info, config_ptr);
98 // Configure the devices for the guest
99 setup_devices(info, config_ptr);
102 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
104 // Setup initial cpu register state
106 info->vm_regs.rsp = 0x0;
114 * The amount of guest memory is stored in info->mem_size
115 * We need to make sure the memory map extends to cover it
117 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
121 uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
122 void * guest_mem = V3_AllocPages(num_pages);
124 PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
125 memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
127 add_shadow_region_passthrough(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
129 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
130 (void *)ROMBIOS_START,
131 (void *)ROMBIOS_START + (num_pages * PAGE_SIZE),
138 uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
139 void * guest_mem = V3_AllocPages(num_pages);
141 PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
142 memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
144 add_shadow_region_passthrough(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
146 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
147 (void *)VGABIOS_START,
148 (void *)VGABIOS_START + (num_pages * PAGE_SIZE),
153 add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
156 add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
158 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
162 //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
165 add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
166 if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
167 PrintDebug("Error adding shadow region\n");
170 add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
171 add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
176 add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
178 /* MEMORY HOOK TEST */
179 add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
180 v3_hook_write_mem(info, 0xa00000, 0xa01000, (addr_t)V3_AllocPages(1), passthrough_mem_write, NULL);
181 add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
184 add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
186 // test - give linux accesss to PCI space - PAD
187 add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
190 print_shadow_map(&(info->mem_map));
197 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
198 struct vm_device * ramdisk = NULL;
199 struct vm_device * cdrom = NULL;
200 struct vm_device * nvram = v3_create_nvram();
201 //struct vm_device * timer = v3_create_timer();
202 struct vm_device * pic = v3_create_pic();
203 struct vm_device * keyboard = v3_create_keyboard();
204 struct vm_device * pit = v3_create_pit();
205 struct vm_device * bochs_debug = v3_create_bochs_debug();
207 //struct vm_device * serial = v3_create_serial();
208 struct vm_device * generic = NULL;
210 int use_ramdisk = config_ptr->use_ramdisk;
211 int use_generic = USE_GENERIC;
215 PrintDebug("Creating Ramdisk\n");
216 ramdisk = v3_create_ramdisk();
217 cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
222 generic = configure_generic(info, config_ptr);
226 v3_attach_device(info, nvram);
227 //v3_attach_device(info, timer);
228 v3_attach_device(info, pic);
229 v3_attach_device(info, pit);
230 v3_attach_device(info, keyboard);
231 // v3_attach_device(info, serial);
232 v3_attach_device(info, bochs_debug);
235 v3_attach_device(info, ramdisk);
236 v3_attach_device(info, cdrom);
240 // Important that this be attached last!
241 v3_attach_device(info, generic);
244 PrintDebugDevMgr(info);
247 // give keyboard interrupts to vm
248 // no longer needed since we have a keyboard device
249 //hook_irq(&vm_info, 1);
252 // give floppy controller to vm
253 v3_hook_passthrough_irq(info, 6);
258 PrintDebug("Hooking IDE IRQs\n");
261 v3_hook_passthrough_irq(info, 14);
264 v3_hook_passthrough_irq(info, 15);
273 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
274 PrintDebug("Creating Generic Device\n");
275 struct vm_device * generic = v3_create_generic();
277 // Make the DMA controller invisible
278 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
279 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
280 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
281 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
282 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
283 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
284 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
285 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
286 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
287 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
288 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
289 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
294 // Make the Serial ports invisible
296 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
297 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
302 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
303 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
308 // Make the PCI bus invisible (at least it's configuration)
310 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
311 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
317 // Monitor the IDE controllers (very slow)
318 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
319 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
323 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
324 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
330 // Make the floppy controllers invisible
332 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
333 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
334 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
335 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
336 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
337 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
343 // Make the parallel port invisible
345 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
351 // Monitor graphics card operations
353 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
354 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
360 // Make the ISA PNP features invisible
362 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
363 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
364 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
369 // Monitor any network card (realtek ne2000) operations
370 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
375 // Make any Bus master ide controller invisible
377 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
379 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);