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/net_cd.h>
39 #include <devices/ram_hd.h>
40 #include <devices/bochs_debug.h>
41 #include <devices/os_debug.h>
42 #include <devices/apic.h>
43 #include <devices/io_apic.h>
44 #include <devices/para_net.h>
45 #include <devices/pci.h>
46 #include <devices/i440fx.h>
47 #include <devices/piix3.h>
50 #include <palacios/vmm_host_events.h>
55 #include <palacios/vmm_socket.h>
58 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
59 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
60 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
65 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
68 // memcpy((void*)guest_addr, src, length);
69 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
70 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
76 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
77 extern v3_cpu_arch_t v3_cpu_type;
79 // Amount of ram the Guest will have, rounded to a 4K page boundary
80 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
83 // Initialize the subsystem data strutures
86 v3_init_msr_map(info);
87 v3_init_interrupt_state(info);
88 v3_init_exception_state(info);
89 v3_init_dev_mgr(info);
90 v3_init_host_events(info);
93 v3_init_decoder(info);
95 v3_init_hypercall_map(info);
98 // Initialize the memory map
99 v3_init_shadow_map(info);
101 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
102 (config_ptr->enable_nested_paging == 1)) {
103 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
104 info->shdw_pg_mode = NESTED_PAGING;
106 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
107 v3_init_shadow_page_state(info);
108 info->shdw_pg_mode = SHADOW_PAGING;
111 if (config_ptr->enable_profiling) {
112 info->enable_profiler = 1;
113 v3_init_profiler(info);
115 info->enable_profiler = 0;
119 // Initial CPU operating mode
120 info->cpu_mode = REAL;
121 info->mem_mode = PHYSICAL_MEM;
127 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
129 // Configure the memory map for the guest
130 if (setup_memory_map(info, config_ptr) == -1) {
131 PrintError("Setting up guest memory map failed...\n");
135 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
137 if (setup_devices(info, config_ptr) == -1) {
138 PrintError("Failed to setup devices\n");
142 info->run_state = VM_STOPPED;
144 info->vm_regs.rdi = 0;
145 info->vm_regs.rsi = 0;
146 info->vm_regs.rbp = 0;
147 info->vm_regs.rsp = 0;
148 info->vm_regs.rbx = 0;
149 info->vm_regs.rdx = 0;
150 info->vm_regs.rcx = 0;
151 info->vm_regs.rax = 0;
161 * The amount of guest memory is stored in info->mem_size
162 * We need to make sure the memory map extends to cover it
164 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
165 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
169 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
170 PrintError("Could not map VGA framebuffer\n");
174 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
177 #define VGABIOS_START 0x000c0000
178 #define ROMBIOS_START 0x000f0000
182 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
183 memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
188 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
189 memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
194 #define SEASTAR_START 0xffe00000
195 #define SEASTAR_END 0xffffffff
196 // Map the Seastar straight through
197 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
198 PrintError("Could not map through the seastar\n");
204 print_shadow_map(info);
211 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
213 struct vm_device * ide = NULL;
214 struct vm_device * ramdisk = NULL;
216 struct vm_device * pci = NULL;
217 struct vm_device * northbridge = NULL;
218 struct vm_device * southbridge = NULL;
220 struct vm_device * nvram = NULL;
221 struct vm_device * pic = v3_create_pic();
222 struct vm_device * keyboard = v3_create_keyboard();
223 struct vm_device * pit = v3_create_pit();
224 struct vm_device * bochs_debug = v3_create_bochs_debug();
225 struct vm_device * os_debug = v3_create_os_debug();
226 struct vm_device * apic = v3_create_apic();
227 struct vm_device * ioapic = v3_create_io_apic(apic);
228 struct vm_device * para_net = v3_create_para_net();
231 //struct vm_device * serial = v3_create_serial();
232 struct vm_device * generic = NULL;
235 int use_generic = USE_GENERIC;
237 if (config_ptr->enable_pci == 1) {
238 pci = v3_create_pci();
239 northbridge = v3_create_i440fx(pci);
240 southbridge = v3_create_piix3(pci);
241 ide = v3_create_ide(pci, southbridge);
243 ide = v3_create_ide(NULL, NULL);
246 nvram = v3_create_nvram(ide);
248 if (config_ptr->use_ram_cd == 1) {
249 PrintDebug("Creating RAM CD\n");
250 ramdisk = v3_create_ram_cd(ide, 0, 0,
251 (addr_t)(config_ptr->ramdisk),
252 config_ptr->ramdisk_size);
253 } else if (config_ptr->use_ram_hd == 1) {
254 PrintDebug("Creating Ram HD\n");
255 ramdisk = v3_create_ram_hd(ide, 0, 0,
256 (addr_t)(config_ptr->ramdisk),
257 config_ptr->ramdisk_size);
258 } else if (config_ptr->use_net_cd == 1) {
259 PrintDebug("Creating NET CD\n");
260 ramdisk = v3_create_net_cd(ide, 0, 0,
267 generic = configure_generic(info, config_ptr);
271 v3_attach_device(info, pic);
272 v3_attach_device(info, pit);
273 v3_attach_device(info, keyboard);
274 // v3_attach_device(info, serial);
275 v3_attach_device(info, bochs_debug);
276 v3_attach_device(info, os_debug);
278 v3_attach_device(info, apic);
279 v3_attach_device(info, ioapic);
281 v3_attach_device(info, para_net);
283 if (config_ptr->enable_pci == 1) {
284 PrintDebug("Attaching PCI\n");
285 v3_attach_device(info, pci);
286 PrintDebug("Attaching Northbridge\n");
287 v3_attach_device(info, northbridge);
288 PrintDebug("Attaching Southbridge\n");
289 v3_attach_device(info, southbridge);
292 PrintDebug("Attaching IDE\n");
293 v3_attach_device(info, ide);
295 if (ramdisk != NULL) {
296 v3_attach_device(info, ramdisk);
300 // Important that this be attached last!
301 v3_attach_device(info, generic);
304 // This should go last because it contains the hardware state
305 v3_attach_device(info, nvram);
307 PrintDebugDevMgr(info);
316 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
317 PrintDebug("Creating Generic Device\n");
318 struct vm_device * generic = v3_create_generic();
321 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
324 // Make the DMA controller invisible
325 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
326 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
327 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
328 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
329 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
330 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
331 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
332 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
333 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
334 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
335 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
336 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
341 // Make the Serial ports invisible
343 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
344 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
349 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
350 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
355 // Make the PCI bus invisible (at least it's configuration)
357 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
358 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
364 // Monitor the IDE controllers (very slow)
365 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
366 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
370 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
371 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
377 // Make the floppy controllers invisible
379 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
380 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
381 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
382 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
383 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
384 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
390 // Make the parallel port invisible
392 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
398 // Monitor graphics card operations
400 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
401 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
407 // Make the ISA PNP features invisible
409 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
410 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
411 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
416 // Monitor any network card (realtek ne2000) operations
417 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
422 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);