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>
38 #include <devices/video.h>
41 #include <palacios/vmm_host_events.h>
46 #include <palacios/vmm_socket.h>
49 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
50 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
51 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
56 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
59 // memcpy((void*)guest_addr, src, length);
60 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
61 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
67 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
68 extern v3_cpu_arch_t v3_cpu_type;
70 // Amount of ram the Guest will have, rounded to a 4K page boundary
71 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
74 // Initialize the subsystem data strutures
77 v3_init_msr_map(info);
78 v3_init_interrupt_state(info);
79 v3_init_exception_state(info);
80 v3_init_dev_mgr(info);
81 v3_init_host_events(info);
84 v3_init_decoder(info);
86 v3_init_hypercall_map(info);
89 // Initialize the memory map
90 v3_init_shadow_map(info);
92 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
93 (config_ptr->enable_nested_paging == 1)) {
94 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
95 info->shdw_pg_mode = NESTED_PAGING;
97 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
98 v3_init_shadow_page_state(info);
99 info->shdw_pg_mode = SHADOW_PAGING;
102 #ifdef CONFIG_PROFILE_VMM
103 if (config_ptr->enable_profiling) {
104 info->enable_profiler = 1;
105 v3_init_profiler(info);
107 info->enable_profiler = 0;
111 if (config_ptr->schedule_freq == 0) {
112 // set the schedule frequency to 100 HZ
113 config_ptr->schedule_freq = 100;
116 PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
118 info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
120 // Initial CPU operating mode
121 info->cpu_mode = REAL;
122 info->mem_mode = PHYSICAL_MEM;
128 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
130 // Configure the memory map for the guest
131 if (setup_memory_map(info, config_ptr) == -1) {
132 PrintError("Setting up guest memory map failed...\n");
136 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
138 if (setup_devices(info, config_ptr) == -1) {
139 PrintError("Failed to setup devices\n");
143 info->run_state = VM_STOPPED;
145 info->vm_regs.rdi = 0;
146 info->vm_regs.rsi = 0;
147 info->vm_regs.rbp = 0;
148 info->vm_regs.rsp = 0;
149 info->vm_regs.rbx = 0;
150 info->vm_regs.rdx = 0;
151 info->vm_regs.rcx = 0;
152 info->vm_regs.rax = 0;
162 * The amount of guest memory is stored in info->mem_size
163 * We need to make sure the memory map extends to cover it
165 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
168 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
172 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
173 PrintError("Could not map VGA framebuffer\n");
177 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
181 #define VGABIOS_START 0x000c0000
182 #define ROMBIOS_START 0x000f0000
186 extern uint8_t v3_vgabios_start[];
187 extern uint8_t v3_vgabios_end[];
189 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
190 memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
195 extern uint8_t v3_rombios_start[];
196 extern uint8_t v3_rombios_end[];
198 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
199 memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
202 #ifdef CONFIG_CRAY_XT
204 #define SEASTAR_START 0xffe00000
205 #define SEASTAR_END 0xffffffff
206 // Map the Seastar straight through
207 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
208 PrintError("Could not map through the seastar\n");
214 print_shadow_map(info);
221 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
223 v3_create_device(info, "8259A", NULL);
224 v3_create_device(info, "KEYBOARD", NULL);
225 v3_create_device(info, "8254_PIT", NULL);
226 v3_create_device(info, "BOCHS_DEBUG", NULL);
227 v3_create_device(info, "OS_DEBUG", NULL);
228 v3_create_device(info, "LAPIC", NULL);
229 v3_create_device(info, "IOAPIC", "LAPIC");
230 v3_create_device(info, "VMNET", NULL);
232 int use_generic = USE_GENERIC;
234 if (config_ptr->enable_pci == 1) {
235 struct ide_cfg ide_config = {"PCI", "PIIX3"};
237 v3_create_device(info, "PCI", NULL);
238 v3_create_device(info, "i440FX", "PCI");
239 v3_create_device(info, "PIIX3", "PCI");
242 v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
243 v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
244 v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
245 v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
247 v3_create_device(info, "VIDEO", "PCI");
249 v3_create_device(info, "IDE", &ide_config);
251 v3_create_device(info, "IDE", NULL);
255 if (config_ptr->pri_disk_type != NONE) {
256 if (config_ptr->pri_disk_type == CDROM) {
257 if (config_ptr->pri_disk_con == RAM) {
258 struct ram_cd_cfg cfg = {"IDE", 0, 0,
259 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
260 config_ptr->pri_disk_info.ram.size};
262 PrintDebug("Creating RAM CD\n");
264 v3_create_device(info, "RAM-CD", &cfg);
265 } else if (config_ptr->pri_disk_con == NETWORK) {
266 struct net_cd_cfg cfg = {"IDE", 0, 0,
267 config_ptr->pri_disk_info.net.ip_str,
268 config_ptr->pri_disk_info.net.port,
269 config_ptr->pri_disk_info.net.disk_name};
270 PrintDebug("Creating NET CD\n");
272 v3_create_device(info, "NET-CD", &cfg);
274 } else if (config_ptr->pri_disk_type == HARDDRIVE) {
275 if (config_ptr->pri_disk_con == RAM) {
276 struct ram_hd_cfg cfg = {"IDE", 0, 0,
277 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
278 config_ptr->pri_disk_info.ram.size};
280 PrintDebug("Creating RAM HD\n");
282 v3_create_device(info, "RAM-HD", &cfg);
283 } else if (config_ptr->pri_disk_con == NETWORK) {
284 struct net_hd_cfg cfg = {"IDE", 0, 0,
285 config_ptr->pri_disk_info.net.ip_str,
286 config_ptr->pri_disk_info.net.port,
287 config_ptr->pri_disk_info.net.disk_name};
288 PrintDebug("Creating NET HD\n");
289 v3_create_device(info, "NET-HD", &cfg);
296 if (config_ptr->sec_disk_type != NONE) {
297 if (config_ptr->sec_disk_type == CDROM) {
298 if (config_ptr->sec_disk_con == RAM) {
299 struct ram_cd_cfg cfg = {"IDE", 0, 1,
300 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
301 config_ptr->sec_disk_info.ram.size};
303 PrintDebug("Creating RAM CD\n");
304 v3_create_device(info, "RAM-CD", &cfg);
305 } else if (config_ptr->sec_disk_con == NETWORK) {
306 struct net_cd_cfg cfg = {"IDE", 0, 1,
307 config_ptr->sec_disk_info.net.ip_str,
308 config_ptr->sec_disk_info.net.port,
309 config_ptr->sec_disk_info.net.disk_name};
311 PrintDebug("Creating NET CD\n");
312 v3_create_device(info, "NET-CD", &cfg);
314 } else if (config_ptr->sec_disk_type == HARDDRIVE) {
315 if (config_ptr->sec_disk_con == RAM) {
316 struct ram_hd_cfg cfg = {"IDE", 0, 1,
317 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
318 config_ptr->sec_disk_info.ram.size};
319 PrintDebug("Creating RAM HD\n");
320 v3_create_device(info, "RAM-HD", &cfg);
321 } else if (config_ptr->sec_disk_con == NETWORK) {
322 struct net_hd_cfg cfg = {"IDE", 0, 1,
323 config_ptr->sec_disk_info.net.ip_str,
324 config_ptr->sec_disk_info.net.port,
325 config_ptr->sec_disk_info.net.disk_name};
326 PrintDebug("Creating NET HD\n");
327 v3_create_device(info, "NET-HD", &cfg);
335 configure_generic(info, config_ptr);
338 // This should go last because it requires information about the Harddrives
339 v3_create_device(info, "NVRAM", "IDE");
341 PrintDebugDevMgr(info);
349 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
350 PrintDebug("Creating Generic Device\n");
351 v3_create_device(info, "GENERIC", NULL);
354 struct vm_device * generic = v3_find_dev(info, "GENERIC");
357 PrintError("Could not find generic device\n");
361 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
364 // Make the DMA controller invisible
365 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
366 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
367 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
368 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
369 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
370 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
371 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
372 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
373 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
374 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
375 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
376 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
381 // Make the Serial ports invisible
383 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
384 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
389 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
390 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
395 // Make the PCI bus invisible (at least it's configuration)
397 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
398 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
404 // Monitor the IDE controllers (very slow)
405 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
406 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
410 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
411 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
417 // Make the floppy controllers invisible
419 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
420 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
421 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
422 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
423 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
424 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
430 // Make the parallel port invisible
432 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
438 // Monitor graphics card operations
440 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
441 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
447 // Make the ISA PNP features invisible
449 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
450 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
451 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
456 // Monitor any network card (realtek ne2000) operations
457 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
460 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);