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>
28 #include <palacios/vmm_dev_mgr.h>
31 #include <devices/generic.h>
32 #include <devices/ide.h>
33 #include <devices/ram_cd.h>
34 #include <devices/net_cd.h>
35 #include <devices/ram_hd.h>
36 #include <devices/net_hd.h>
39 #include <palacios/vmm_host_events.h>
44 #include <palacios/vmm_socket.h>
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 int 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);
65 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
66 extern v3_cpu_arch_t v3_cpu_type;
68 // Amount of ram the Guest will have, rounded to a 4K page boundary
69 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
72 // Initialize the subsystem data strutures
75 v3_init_msr_map(info);
76 v3_init_interrupt_state(info);
77 v3_init_exception_state(info);
78 v3_init_dev_mgr(info);
79 v3_init_host_events(info);
82 v3_init_decoder(info);
84 v3_init_hypercall_map(info);
87 // Initialize the memory map
88 v3_init_shadow_map(info);
90 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
91 (config_ptr->enable_nested_paging == 1)) {
92 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
93 info->shdw_pg_mode = NESTED_PAGING;
95 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
96 v3_init_shadow_page_state(info);
97 info->shdw_pg_mode = SHADOW_PAGING;
100 if (config_ptr->enable_profiling) {
101 info->enable_profiler = 1;
102 v3_init_profiler(info);
104 info->enable_profiler = 0;
107 if (config_ptr->schedule_freq == 0) {
108 // set the schedule frequency to 100 HZ
109 config_ptr->schedule_freq = 100;
112 PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
114 info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
116 // Initial CPU operating mode
117 info->cpu_mode = REAL;
118 info->mem_mode = PHYSICAL_MEM;
124 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
126 // Configure the memory map for the guest
127 if (setup_memory_map(info, config_ptr) == -1) {
128 PrintError("Setting up guest memory map failed...\n");
132 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
134 if (setup_devices(info, config_ptr) == -1) {
135 PrintError("Failed to setup devices\n");
139 info->run_state = VM_STOPPED;
141 info->vm_regs.rdi = 0;
142 info->vm_regs.rsi = 0;
143 info->vm_regs.rbp = 0;
144 info->vm_regs.rsp = 0;
145 info->vm_regs.rbx = 0;
146 info->vm_regs.rdx = 0;
147 info->vm_regs.rcx = 0;
148 info->vm_regs.rax = 0;
158 * The amount of guest memory is stored in info->mem_size
159 * We need to make sure the memory map extends to cover it
161 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
162 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
166 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
167 PrintError("Could not map VGA framebuffer\n");
171 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
174 #define VGABIOS_START 0x000c0000
175 #define ROMBIOS_START 0x000f0000
179 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
180 memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
185 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
186 memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
191 #define SEASTAR_START 0xffe00000
192 #define SEASTAR_END 0xffffffff
193 // Map the Seastar straight through
194 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
195 PrintError("Could not map through the seastar\n");
201 print_shadow_map(info);
208 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
210 v3_create_device(info, "8259A", NULL);
211 v3_create_device(info, "KEYBOARD", NULL);
212 v3_create_device(info, "8254_PIT", NULL);
213 v3_create_device(info, "BOCHS_DEBUG", NULL);
214 v3_create_device(info, "OS_DEBUG", NULL);
215 v3_create_device(info, "LAPIC", NULL);
216 v3_create_device(info, "IOAPIC", "LAPIC");
217 v3_create_device(info, "VMNET", NULL);
219 int use_generic = USE_GENERIC;
221 if (config_ptr->enable_pci == 1) {
222 struct ide_cfg ide_config = {"PCI", "PIIX3"};
224 v3_create_device(info, "PCI", NULL);
225 v3_create_device(info, "i440FX", "PCI");
226 v3_create_device(info, "PIIX3", "PCI");
229 v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
230 v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
231 v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
232 v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
235 v3_create_device(info, "IDE", &ide_config);
237 v3_create_device(info, "IDE", NULL);
241 if (config_ptr->pri_disk_type != NONE) {
242 if (config_ptr->pri_disk_type == CDROM) {
243 if (config_ptr->pri_disk_con == RAM) {
244 struct ram_cd_cfg cfg = {"IDE", 0, 0,
245 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
246 config_ptr->pri_disk_info.ram.size};
248 PrintDebug("Creating RAM CD\n");
250 v3_create_device(info, "RAM-CD", &cfg);
251 } else if (config_ptr->pri_disk_con == NETWORK) {
252 struct net_cd_cfg cfg = {"IDE", 0, 0,
253 config_ptr->pri_disk_info.net.ip_str,
254 config_ptr->pri_disk_info.net.port,
255 config_ptr->pri_disk_info.net.disk_name};
256 PrintDebug("Creating NET CD\n");
258 v3_create_device(info, "NET-CD", &cfg);
260 } else if (config_ptr->pri_disk_type == HARDDRIVE) {
261 if (config_ptr->pri_disk_con == RAM) {
262 struct ram_hd_cfg cfg = {"IDE", 0, 0,
263 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
264 config_ptr->pri_disk_info.ram.size};
266 PrintDebug("Creating RAM HD\n");
268 v3_create_device(info, "RAM-HD", &cfg);
269 } else if (config_ptr->pri_disk_con == NETWORK) {
270 struct net_hd_cfg cfg = {"IDE", 0, 0,
271 config_ptr->pri_disk_info.net.ip_str,
272 config_ptr->pri_disk_info.net.port,
273 config_ptr->pri_disk_info.net.disk_name};
274 PrintDebug("Creating NET HD\n");
275 v3_create_device(info, "NET-HD", &cfg);
282 if (config_ptr->sec_disk_type != NONE) {
283 if (config_ptr->sec_disk_type == CDROM) {
284 if (config_ptr->sec_disk_con == RAM) {
285 struct ram_cd_cfg cfg = {"IDE", 0, 1,
286 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
287 config_ptr->sec_disk_info.ram.size};
289 PrintDebug("Creating RAM CD\n");
290 v3_create_device(info, "RAM-CD", &cfg);
291 } else if (config_ptr->sec_disk_con == NETWORK) {
292 struct net_cd_cfg cfg = {"IDE", 0, 1,
293 config_ptr->sec_disk_info.net.ip_str,
294 config_ptr->sec_disk_info.net.port,
295 config_ptr->sec_disk_info.net.disk_name};
297 PrintDebug("Creating NET CD\n");
298 v3_create_device(info, "NET-CD", &cfg);
300 } else if (config_ptr->sec_disk_type == HARDDRIVE) {
301 if (config_ptr->sec_disk_con == RAM) {
302 struct ram_hd_cfg cfg = {"IDE", 0, 1,
303 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
304 config_ptr->sec_disk_info.ram.size};
305 PrintDebug("Creating RAM HD\n");
306 v3_create_device(info, "RAM-HD", &cfg);
307 } else if (config_ptr->sec_disk_con == NETWORK) {
308 struct net_hd_cfg cfg = {"IDE", 0, 1,
309 config_ptr->sec_disk_info.net.ip_str,
310 config_ptr->sec_disk_info.net.port,
311 config_ptr->sec_disk_info.net.disk_name};
312 PrintDebug("Creating NET HD\n");
313 v3_create_device(info, "NET-HD", &cfg);
321 configure_generic(info, config_ptr);
324 // This should go last because it requires information about the Harddrives
325 v3_create_device(info, "NVRAM", "IDE");
327 PrintDebugDevMgr(info);
335 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
336 PrintDebug("Creating Generic Device\n");
337 v3_create_device(info, "GENERIC", NULL);
340 struct vm_device * generic = v3_find_dev(info, "GENERIC");
343 PrintError("Could not find generic device\n");
347 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
350 // Make the DMA controller invisible
351 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
352 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
353 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
354 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
355 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
356 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
357 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
358 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
359 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
360 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
361 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
362 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
367 // Make the Serial ports invisible
369 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
370 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
375 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
376 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
381 // Make the PCI bus invisible (at least it's configuration)
383 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
384 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
390 // Monitor the IDE controllers (very slow)
391 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
392 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
396 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
397 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
403 // Make the floppy controllers invisible
405 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
406 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
407 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
408 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
409 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
410 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
416 // Make the parallel port invisible
418 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
424 // Monitor graphics card operations
426 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
427 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
433 // Make the ISA PNP features invisible
435 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
436 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
437 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
442 // Monitor any network card (realtek ne2000) operations
443 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
446 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);