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 #ifdef CONFIG_PROFILE_VMM
101 if (config_ptr->enable_profiling) {
102 info->enable_profiler = 1;
103 v3_init_profiler(info);
105 info->enable_profiler = 0;
109 if (config_ptr->schedule_freq == 0) {
110 // set the schedule frequency to 100 HZ
111 config_ptr->schedule_freq = 100;
114 PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
116 info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
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 extern uint8_t v3_vgabios_start[];
182 extern uint8_t v3_vgabios_end[];
184 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
185 memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
190 extern uint8_t v3_rombios_start[];
191 extern uint8_t v3_rombios_end[];
193 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
194 memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
197 #ifdef CONFIG_CRAY_XT
199 #define SEASTAR_START 0xffe00000
200 #define SEASTAR_END 0xffffffff
201 // Map the Seastar straight through
202 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
203 PrintError("Could not map through the seastar\n");
209 print_shadow_map(info);
216 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
218 v3_create_device(info, "8259A", NULL);
219 v3_create_device(info, "KEYBOARD", NULL);
220 v3_create_device(info, "8254_PIT", NULL);
221 v3_create_device(info, "BOCHS_DEBUG", NULL);
222 v3_create_device(info, "OS_DEBUG", NULL);
223 v3_create_device(info, "LAPIC", NULL);
224 v3_create_device(info, "IOAPIC", "LAPIC");
225 v3_create_device(info, "VMNET", NULL);
227 int use_generic = USE_GENERIC;
229 if (config_ptr->enable_pci == 1) {
230 struct ide_cfg ide_config = {"PCI", "PIIX3"};
232 v3_create_device(info, "PCI", NULL);
233 v3_create_device(info, "i440FX", "PCI");
234 v3_create_device(info, "PIIX3", "PCI");
237 v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
238 v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
239 v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
240 v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
243 v3_create_device(info, "IDE", &ide_config);
245 v3_create_device(info, "IDE", NULL);
249 if (config_ptr->pri_disk_type != NONE) {
250 if (config_ptr->pri_disk_type == CDROM) {
251 if (config_ptr->pri_disk_con == RAM) {
252 struct ram_cd_cfg cfg = {"IDE", 0, 0,
253 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
254 config_ptr->pri_disk_info.ram.size};
256 PrintDebug("Creating RAM CD\n");
258 v3_create_device(info, "RAM-CD", &cfg);
259 } else if (config_ptr->pri_disk_con == NETWORK) {
260 struct net_cd_cfg cfg = {"IDE", 0, 0,
261 config_ptr->pri_disk_info.net.ip_str,
262 config_ptr->pri_disk_info.net.port,
263 config_ptr->pri_disk_info.net.disk_name};
264 PrintDebug("Creating NET CD\n");
266 v3_create_device(info, "NET-CD", &cfg);
268 } else if (config_ptr->pri_disk_type == HARDDRIVE) {
269 if (config_ptr->pri_disk_con == RAM) {
270 struct ram_hd_cfg cfg = {"IDE", 0, 0,
271 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
272 config_ptr->pri_disk_info.ram.size};
274 PrintDebug("Creating RAM HD\n");
276 v3_create_device(info, "RAM-HD", &cfg);
277 } else if (config_ptr->pri_disk_con == NETWORK) {
278 struct net_hd_cfg cfg = {"IDE", 0, 0,
279 config_ptr->pri_disk_info.net.ip_str,
280 config_ptr->pri_disk_info.net.port,
281 config_ptr->pri_disk_info.net.disk_name};
282 PrintDebug("Creating NET HD\n");
283 v3_create_device(info, "NET-HD", &cfg);
290 if (config_ptr->sec_disk_type != NONE) {
291 if (config_ptr->sec_disk_type == CDROM) {
292 if (config_ptr->sec_disk_con == RAM) {
293 struct ram_cd_cfg cfg = {"IDE", 0, 1,
294 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
295 config_ptr->sec_disk_info.ram.size};
297 PrintDebug("Creating RAM CD\n");
298 v3_create_device(info, "RAM-CD", &cfg);
299 } else if (config_ptr->sec_disk_con == NETWORK) {
300 struct net_cd_cfg cfg = {"IDE", 0, 1,
301 config_ptr->sec_disk_info.net.ip_str,
302 config_ptr->sec_disk_info.net.port,
303 config_ptr->sec_disk_info.net.disk_name};
305 PrintDebug("Creating NET CD\n");
306 v3_create_device(info, "NET-CD", &cfg);
308 } else if (config_ptr->sec_disk_type == HARDDRIVE) {
309 if (config_ptr->sec_disk_con == RAM) {
310 struct ram_hd_cfg cfg = {"IDE", 0, 1,
311 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
312 config_ptr->sec_disk_info.ram.size};
313 PrintDebug("Creating RAM HD\n");
314 v3_create_device(info, "RAM-HD", &cfg);
315 } else if (config_ptr->sec_disk_con == NETWORK) {
316 struct net_hd_cfg cfg = {"IDE", 0, 1,
317 config_ptr->sec_disk_info.net.ip_str,
318 config_ptr->sec_disk_info.net.port,
319 config_ptr->sec_disk_info.net.disk_name};
320 PrintDebug("Creating NET HD\n");
321 v3_create_device(info, "NET-HD", &cfg);
329 configure_generic(info, config_ptr);
332 // This should go last because it requires information about the Harddrives
333 v3_create_device(info, "NVRAM", "IDE");
335 PrintDebugDevMgr(info);
343 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
344 PrintDebug("Creating Generic Device\n");
345 v3_create_device(info, "GENERIC", NULL);
348 struct vm_device * generic = v3_find_dev(info, "GENERIC");
351 PrintError("Could not find generic device\n");
355 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
358 // Make the DMA controller invisible
359 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
360 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
361 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
362 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
363 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
364 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
365 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
366 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
367 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
368 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
369 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
370 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
375 // Make the Serial ports invisible
377 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
378 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
383 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
384 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
389 // Make the PCI bus invisible (at least it's configuration)
391 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
392 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
398 // Monitor the IDE controllers (very slow)
399 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
400 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
404 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
405 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
411 // Make the floppy controllers invisible
413 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
414 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
415 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
416 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
417 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
418 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
424 // Make the parallel port invisible
426 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
432 // Monitor graphics card operations
434 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
435 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
441 // Make the ISA PNP features invisible
443 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
444 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
445 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
450 // Monitor any network card (realtek ne2000) operations
451 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
454 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);