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_telemetry.h>
26 #include <palacios/vmm_mem.h>
27 #include <palacios/vmm_hypercall.h>
28 #include <palacios/vmm_dev_mgr.h>
30 #ifdef CONFIG_SYMBIOTIC_SWAP
31 #include <palacios/vmm_sym_swap.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/net_hd.h>
42 #include <devices/video.h>
47 #include <palacios/vmm_host_events.h>
51 #include <palacios/vmm_socket.h>
54 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
55 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
56 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
61 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
64 // memcpy((void*)guest_addr, src, length);
65 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
66 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
72 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
73 extern v3_cpu_arch_t v3_cpu_type;
75 // Amount of ram the Guest will have, rounded to a 4K page boundary
76 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
79 * Initialize the subsystem data strutures
81 #ifdef CONFIG_TELEMETRY
82 // This should go first, because other subsystems will depend on the guest_info flag
83 if (config_ptr->enable_telemetry) {
84 info->enable_telemetry = 1;
85 v3_init_telemetry(info);
87 info->enable_telemetry = 0;
93 v3_init_msr_map(info);
94 v3_init_interrupt_state(info);
95 v3_init_exception_state(info);
96 v3_init_dev_mgr(info);
97 v3_init_host_events(info);
100 v3_init_decoder(info);
102 v3_init_hypercall_map(info);
104 #ifdef CONFIG_SYMBIOTIC_SWAP
105 v3_init_sym_swap(info);
110 // Initialize the memory map
111 v3_init_shadow_map(info);
113 if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
114 (config_ptr->enable_nested_paging == 1)) {
115 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
116 info->shdw_pg_mode = NESTED_PAGING;
118 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
119 v3_init_shadow_page_state(info);
120 info->shdw_pg_mode = SHADOW_PAGING;
125 if (config_ptr->schedule_freq == 0) {
126 // set the schedule frequency to 100 HZ
127 config_ptr->schedule_freq = 100;
130 PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
132 info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
134 // Initial CPU operating mode
135 info->cpu_mode = REAL;
136 info->mem_mode = PHYSICAL_MEM;
142 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
144 // Configure the memory map for the guest
145 if (setup_memory_map(info, config_ptr) == -1) {
146 PrintError("Setting up guest memory map failed...\n");
150 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
152 if (setup_devices(info, config_ptr) == -1) {
153 PrintError("Failed to setup devices\n");
157 info->run_state = VM_STOPPED;
159 info->vm_regs.rdi = 0;
160 info->vm_regs.rsi = 0;
161 info->vm_regs.rbp = 0;
162 info->vm_regs.rsp = 0;
163 info->vm_regs.rbx = 0;
164 info->vm_regs.rdx = 0;
165 info->vm_regs.rcx = 0;
166 info->vm_regs.rax = 0;
176 * The amount of guest memory is stored in info->mem_size
177 * We need to make sure the memory map extends to cover it
179 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
182 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
186 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
187 PrintError("Could not map VGA framebuffer\n");
191 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
195 #define VGABIOS_START 0x000c0000
196 #define ROMBIOS_START 0x000f0000
200 extern uint8_t v3_vgabios_start[];
201 extern uint8_t v3_vgabios_end[];
203 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
204 memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
209 extern uint8_t v3_rombios_start[];
210 extern uint8_t v3_rombios_end[];
212 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
213 memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
216 #ifdef CONFIG_CRAY_XT
218 #define SEASTAR_START 0xffe00000
219 #define SEASTAR_END 0xffffffff
220 // Map the Seastar straight through
221 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
222 PrintError("Could not map through the seastar\n");
228 print_shadow_map(info);
235 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
237 v3_create_device(info, "8259A", NULL);
238 v3_create_device(info, "KEYBOARD", NULL);
239 v3_create_device(info, "8254_PIT", NULL);
240 v3_create_device(info, "BOCHS_DEBUG", NULL);
241 v3_create_device(info, "OS_DEBUG", NULL);
242 v3_create_device(info, "LAPIC", NULL);
243 v3_create_device(info, "IOAPIC", "LAPIC");
244 v3_create_device(info, "VMNET", NULL);
248 if (config_ptr->enable_pci == 1) {
249 struct ide_cfg ide_config = {"PCI", "PIIX3"};
251 v3_create_device(info, "PCI", NULL);
252 v3_create_device(info, "i440FX", "PCI");
253 v3_create_device(info, "PIIX3", "PCI");
256 v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
257 v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
258 v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
259 v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
261 v3_create_device(info, "VIDEO", "PCI");
263 v3_create_device(info, "IDE", &ide_config);
265 v3_create_device(info, "IDE", NULL);
269 if (config_ptr->pri_disk_type != NONE) {
270 if (config_ptr->pri_disk_type == CDROM) {
271 if (config_ptr->pri_disk_con == RAM) {
272 struct ram_cd_cfg cfg = {"IDE", 0, 0,
273 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
274 config_ptr->pri_disk_info.ram.size};
276 PrintDebug("Creating RAM CD\n");
278 v3_create_device(info, "RAM-CD", &cfg);
279 } else if (config_ptr->pri_disk_con == NETWORK) {
280 struct net_cd_cfg cfg = {"IDE", 0, 0,
281 config_ptr->pri_disk_info.net.ip_str,
282 config_ptr->pri_disk_info.net.port,
283 config_ptr->pri_disk_info.net.disk_name};
284 PrintDebug("Creating NET CD\n");
286 v3_create_device(info, "NET-CD", &cfg);
288 } else if (config_ptr->pri_disk_type == HARDDRIVE) {
289 if (config_ptr->pri_disk_con == RAM) {
290 struct ram_hd_cfg cfg = {"IDE", 0, 0,
291 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
292 config_ptr->pri_disk_info.ram.size};
294 PrintDebug("Creating RAM HD\n");
296 v3_create_device(info, "RAM-HD", &cfg);
297 } else if (config_ptr->pri_disk_con == NETWORK) {
298 struct net_hd_cfg cfg = {"IDE", 0, 0,
299 config_ptr->pri_disk_info.net.ip_str,
300 config_ptr->pri_disk_info.net.port,
301 config_ptr->pri_disk_info.net.disk_name};
302 PrintDebug("Creating NET HD\n");
303 v3_create_device(info, "NET-HD", &cfg);
310 if (config_ptr->sec_disk_type != NONE) {
311 if (config_ptr->sec_disk_type == CDROM) {
312 if (config_ptr->sec_disk_con == RAM) {
313 struct ram_cd_cfg cfg = {"IDE", 0, 1,
314 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
315 config_ptr->sec_disk_info.ram.size};
317 PrintDebug("Creating RAM CD\n");
318 v3_create_device(info, "RAM-CD", &cfg);
319 } else if (config_ptr->sec_disk_con == NETWORK) {
320 struct net_cd_cfg cfg = {"IDE", 0, 1,
321 config_ptr->sec_disk_info.net.ip_str,
322 config_ptr->sec_disk_info.net.port,
323 config_ptr->sec_disk_info.net.disk_name};
325 PrintDebug("Creating NET CD\n");
326 v3_create_device(info, "NET-CD", &cfg);
328 } else if (config_ptr->sec_disk_type == HARDDRIVE) {
329 if (config_ptr->sec_disk_con == RAM) {
330 struct ram_hd_cfg cfg = {"IDE", 0, 1,
331 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
332 config_ptr->sec_disk_info.ram.size};
333 PrintDebug("Creating RAM HD\n");
334 v3_create_device(info, "RAM-HD", &cfg);
335 } else if (config_ptr->sec_disk_con == NETWORK) {
336 struct net_hd_cfg cfg = {"IDE", 0, 1,
337 config_ptr->sec_disk_info.net.ip_str,
338 config_ptr->sec_disk_info.net.port,
339 config_ptr->sec_disk_info.net.disk_name};
340 PrintDebug("Creating NET HD\n");
341 v3_create_device(info, "NET-HD", &cfg);
348 #ifdef CONFIG_GENERIC
349 configure_generic(info, config_ptr);
352 // This should go last because it requires information about the Harddrives
353 v3_create_device(info, "NVRAM", "IDE");
355 PrintDebugDevMgr(info);
362 #ifdef CONFIG_GENERIC
363 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
364 PrintDebug("Creating Generic Device\n");
365 v3_create_device(info, "GENERIC", NULL);
368 struct vm_device * generic = v3_find_dev(info, "GENERIC");
371 PrintError("Could not find generic device\n");
375 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
378 // Make the DMA controller invisible
379 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
380 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
381 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
382 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
383 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
384 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
385 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
386 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
387 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
388 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
389 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
390 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
395 // Make the Serial ports invisible
397 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
398 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
403 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
404 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
409 // Make the PCI bus invisible (at least it's configuration)
411 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
412 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
418 // Monitor the IDE controllers (very slow)
419 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
420 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
424 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
425 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
431 // Make the floppy controllers invisible
433 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
434 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
435 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
436 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
437 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
438 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
444 // Make the parallel port invisible
446 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
452 // Monitor graphics card operations
454 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
455 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
461 // Make the ISA PNP features invisible
463 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
464 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
465 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
470 // Monitor any network card (realtek ne2000) operations
471 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
474 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);