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>
29 #include <devices/serial.h>
30 #include <devices/keyboard.h>
31 #include <devices/8259a.h>
32 #include <devices/8254.h>
33 #include <devices/nvram.h>
34 #include <devices/generic.h>
35 #include <devices/ramdisk.h>
36 #include <devices/cdrom.h>
37 #include <devices/bochs_debug.h>
38 #include <devices/os_debug.h>
39 #include <devices/apic.h>
40 #include <devices/io_apic.h>
44 #include <palacios/vmm_host_events.h>
49 #define ROMBIOS_START 0x000f0000
50 #define VGABIOS_START 0x000c0000
54 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
55 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
56 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
61 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
64 // memcpy((void*)guest_addr, src, length);
65 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
66 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
73 int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
74 extern v3_cpu_arch_t v3_cpu_type;
76 // Initialize the subsystem data strutures
79 v3_init_msr_map(info);
80 v3_init_interrupt_state(info);
81 v3_init_dev_mgr(info);
82 v3_init_host_events(info);
84 v3_init_decoder(info);
86 v3_init_shadow_map(info);
88 if (v3_cpu_type == V3_SVM_REV3_CPU) {
89 info->shdw_pg_mode = NESTED_PAGING;
91 v3_init_shadow_page_state(info);
92 info->shdw_pg_mode = SHADOW_PAGING;
95 // Initial CPU operating mode
96 info->cpu_mode = REAL;
97 info->mem_mode = PHYSICAL_MEM;
99 // Amount of ram the Guest will have
100 info->mem_size = config_ptr->mem_size;
102 // Configure the memory map for the guest
103 setup_memory_map(info, config_ptr);
105 // Configure the devices for the guest
106 setup_devices(info, config_ptr);
110 if (config_ptr->enable_profiling) {
111 info->enable_profiler = 1;
112 v3_init_profiler(info);
114 info->enable_profiler = 0;
117 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
119 // Setup initial cpu register state
121 info->vm_regs.rsp = 0x0;
129 * The amount of guest memory is stored in info->mem_size
130 * We need to make sure the memory map extends to cover it
132 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
136 uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
137 void * guest_mem = V3_AllocPages(num_pages);
139 PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
140 memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
142 v3_add_shadow_mem(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE) - 1, (addr_t)guest_mem);
144 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
145 (void *)ROMBIOS_START,
146 (void *)ROMBIOS_START + (num_pages * PAGE_SIZE),
153 uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
154 void * guest_mem = V3_AllocPages(num_pages);
156 PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
157 memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
159 v3_add_shadow_mem(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE) - 1, (addr_t)guest_mem);
161 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
162 (void *)VGABIOS_START,
163 (void *)VGABIOS_START + (num_pages * PAGE_SIZE),
168 v3_add_shadow_mem(info, 0x0, 0x9ffff, (addr_t)V3_AllocPages(160));
171 v3_add_shadow_mem(info, 0xa0000, 0xbffff, 0xa0000);
173 v3_hook_write_mem(info, 0xa0000, 0xbffff, 0xa0000, passthrough_mem_write, NULL);
177 //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
180 v3_add_shadow_mem(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
181 if (v3_add_shadow_mem(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
182 PrintDebug("Error adding shadow region\n");
185 v3_add_shadow_mem(info, 0xc0000, 0xc8000, 0xc0000);
186 v3_add_shadow_mem(info, 0xc8000, 0xf0000, 0xc8000);
191 v3_add_shadow_mem(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
193 /* MEMORY HOOK TEST */
194 v3_add_shadow_mem(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
195 v3_hook_write_mem(info, 0xa00000, 0xa01000, (addr_t)V3_AllocPages(1), passthrough_mem_write, NULL);
196 v3_add_shadow_mem(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
199 v3_add_shadow_mem(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
201 // test - give linux accesss to PCI space - PAD
202 //v3_add_shadow_mem(info, 0xc0000000,0xffffffff,0xc0000000);
205 print_shadow_map(info);
212 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
213 struct vm_device * ramdisk = NULL;
214 struct vm_device * cdrom = NULL;
215 struct vm_device * nvram = v3_create_nvram();
216 //struct vm_device * timer = v3_create_timer();
217 struct vm_device * pic = v3_create_pic();
218 struct vm_device * keyboard = v3_create_keyboard();
219 struct vm_device * pit = v3_create_pit();
220 struct vm_device * bochs_debug = v3_create_bochs_debug();
221 struct vm_device * os_debug = v3_create_os_debug();
222 struct vm_device * apic = v3_create_apic();
223 struct vm_device * ioapic = v3_create_io_apic();
225 //struct vm_device * serial = v3_create_serial();
226 struct vm_device * generic = NULL;
228 int use_ramdisk = config_ptr->use_ramdisk;
229 int use_generic = USE_GENERIC;
233 PrintDebug("Creating Ramdisk\n");
234 ramdisk = v3_create_ramdisk();
235 cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
240 generic = configure_generic(info, config_ptr);
244 v3_attach_device(info, nvram);
245 //v3_attach_device(info, timer);
246 v3_attach_device(info, pic);
247 v3_attach_device(info, pit);
248 v3_attach_device(info, keyboard);
249 // v3_attach_device(info, serial);
250 v3_attach_device(info, bochs_debug);
251 v3_attach_device(info, os_debug);
253 v3_attach_device(info, apic);
254 v3_attach_device(info, ioapic);
257 v3_attach_device(info, ramdisk);
258 v3_attach_device(info, cdrom);
262 // Important that this be attached last!
263 v3_attach_device(info, generic);
266 PrintDebugDevMgr(info);
269 // give keyboard interrupts to vm
270 // no longer needed since we have a keyboard device
271 //hook_irq(&vm_info, 1);
274 // give floppy controller to vm
275 v3_hook_passthrough_irq(info, 6);
280 PrintDebug("Hooking IDE IRQs\n");
283 v3_hook_passthrough_irq(info, 14);
286 v3_hook_passthrough_irq(info, 15);
295 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
296 PrintDebug("Creating Generic Device\n");
297 struct vm_device * generic = v3_create_generic();
299 // Make the DMA controller invisible
300 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
301 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
302 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
303 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
304 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
305 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
306 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
307 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
308 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
309 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
310 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
311 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
316 // Make the Serial ports invisible
318 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
319 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
324 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
325 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
330 // Make the PCI bus invisible (at least it's configuration)
332 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
333 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
339 // Monitor the IDE controllers (very slow)
340 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
341 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
345 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
346 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
352 // Make the floppy controllers invisible
354 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
355 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
356 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
357 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
358 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
359 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
365 // Make the parallel port invisible
367 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
373 // Monitor graphics card operations
375 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
376 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
382 // Make the ISA PNP features invisible
384 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
385 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
386 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
391 // Monitor any network card (realtek ne2000) operations
392 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
397 // Make any Bus master ide controller invisible
399 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
401 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);