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>
45 #include <devices/i440fx.h>
46 #include <devices/piix3.h>
49 #include <palacios/vmm_host_events.h>
57 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
58 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
59 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
64 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
67 // memcpy((void*)guest_addr, src, length);
68 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
69 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
75 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
76 extern v3_cpu_arch_t v3_cpu_type;
78 // Amount of ram the Guest will have, rounded to a 4K page boundary
79 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
82 // Initialize the subsystem data strutures
85 v3_init_msr_map(info);
86 v3_init_interrupt_state(info);
87 v3_init_exception_state(info);
88 v3_init_dev_mgr(info);
89 v3_init_host_events(info);
92 v3_init_decoder(info);
94 v3_init_hypercall_map(info);
97 // Initialize the memory map
98 v3_init_shadow_map(info);
100 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
101 (config_ptr->enable_nested_paging == 1)) {
102 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
103 info->shdw_pg_mode = NESTED_PAGING;
105 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
106 v3_init_shadow_page_state(info);
107 info->shdw_pg_mode = SHADOW_PAGING;
110 if (config_ptr->enable_profiling) {
111 info->enable_profiler = 1;
112 v3_init_profiler(info);
114 info->enable_profiler = 0;
118 // Initial CPU operating mode
119 info->cpu_mode = REAL;
120 info->mem_mode = PHYSICAL_MEM;
126 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
128 // Configure the memory map for the guest
129 if (setup_memory_map(info, config_ptr) == -1) {
130 PrintError("Setting up guest memory map failed...\n");
134 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
136 if (setup_devices(info, config_ptr) == -1) {
137 PrintError("Failed to setup devices\n");
141 info->run_state = VM_STOPPED;
143 info->vm_regs.rdi = 0;
144 info->vm_regs.rsi = 0;
145 info->vm_regs.rbp = 0;
146 info->vm_regs.rsp = 0;
147 info->vm_regs.rbx = 0;
148 info->vm_regs.rdx = 0;
149 info->vm_regs.rcx = 0;
150 info->vm_regs.rax = 0;
160 * The amount of guest memory is stored in info->mem_size
161 * We need to make sure the memory map extends to cover it
163 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
164 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
168 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
169 PrintError("Could not map VGA framebuffer\n");
173 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
176 #define VGABIOS_START 0x000c0000
177 #define ROMBIOS_START 0x000f0000
181 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
182 memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
187 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
188 memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
193 #define SEASTAR_START 0xffe00000
194 #define SEASTAR_END 0xffffffff
195 // Map the Seastar straight through
196 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
197 PrintError("Could not map through the seastar\n");
203 print_shadow_map(info);
210 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
212 struct vm_device * ide = NULL;
213 struct vm_device * ramdisk = NULL;
215 struct vm_device * pci = NULL;
216 struct vm_device * northbridge = NULL;
217 struct vm_device * southbridge = NULL;
219 struct vm_device * nvram = NULL;
220 struct vm_device * pic = v3_create_pic();
221 struct vm_device * keyboard = v3_create_keyboard();
222 struct vm_device * pit = v3_create_pit();
223 struct vm_device * bochs_debug = v3_create_bochs_debug();
224 struct vm_device * os_debug = v3_create_os_debug();
225 struct vm_device * apic = v3_create_apic();
226 struct vm_device * ioapic = v3_create_io_apic(apic);
227 struct vm_device * para_net = v3_create_para_net();
230 //struct vm_device * serial = v3_create_serial();
231 struct vm_device * generic = NULL;
234 int use_generic = USE_GENERIC;
236 if (config_ptr->enable_pci == 1) {
237 pci = v3_create_pci();
238 northbridge = v3_create_i440fx(pci);
239 southbridge = v3_create_piix3(pci);
240 ide = v3_create_ide(pci, southbridge);
242 ide = v3_create_ide(NULL, NULL);
247 nvram = v3_create_nvram(ide);
249 if (config_ptr->use_ram_cd == 1) {
250 PrintDebug("Creating Ram CD\n");
251 ramdisk = v3_create_ram_cd(ide, 0, 0,
252 (addr_t)(config_ptr->ramdisk),
253 config_ptr->ramdisk_size);
254 } else if (config_ptr->use_ram_hd == 1) {
255 PrintDebug("Creating Ram HD\n");
256 ramdisk = v3_create_ram_hd(ide, 0, 0,
257 (addr_t)(config_ptr->ramdisk),
258 config_ptr->ramdisk_size);
263 generic = configure_generic(info, config_ptr);
270 v3_attach_device(info, pic);
271 v3_attach_device(info, pit);
272 v3_attach_device(info, keyboard);
273 // v3_attach_device(info, serial);
274 v3_attach_device(info, bochs_debug);
275 v3_attach_device(info, os_debug);
277 v3_attach_device(info, apic);
278 v3_attach_device(info, ioapic);
280 v3_attach_device(info, para_net);
282 if (config_ptr->enable_pci == 1) {
283 PrintDebug("Attaching PCI\n");
284 v3_attach_device(info, pci);
285 PrintDebug("Attaching Northbridge\n");
286 v3_attach_device(info, northbridge);
287 PrintDebug("Attaching Southbridge\n");
288 v3_attach_device(info, southbridge);
291 PrintDebug("Attaching IDE\n");
292 v3_attach_device(info, ide);
294 if (ramdisk != NULL) {
295 v3_attach_device(info, ramdisk);
299 // Important that this be attached last!
300 v3_attach_device(info, generic);
303 // This should go last because it contains the hardware state
304 v3_attach_device(info, nvram);
306 PrintDebugDevMgr(info);
315 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
316 PrintDebug("Creating Generic Device\n");
317 struct vm_device * generic = v3_create_generic();
320 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
323 // Make the DMA controller invisible
324 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
325 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
326 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
327 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
328 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
329 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
330 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
331 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
332 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
333 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
334 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
335 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
340 // Make the Serial ports invisible
342 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
343 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
348 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
349 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
354 // Make the PCI bus invisible (at least it's configuration)
356 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
357 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
363 // Monitor the IDE controllers (very slow)
364 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
365 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
369 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
370 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
376 // Make the floppy controllers invisible
378 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
379 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
380 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
381 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
382 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
383 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
389 // Make the parallel port invisible
391 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
397 // Monitor graphics card operations
399 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
400 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
406 // Make the ISA PNP features invisible
408 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
409 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
410 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
415 // Monitor any network card (realtek ne2000) operations
416 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
421 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);