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>
26 #include <devices/serial.h>
27 #include <devices/keyboard.h>
28 #include <devices/8259a.h>
29 #include <devices/8254.h>
30 #include <devices/nvram.h>
31 #include <devices/generic.h>
32 #include <devices/ramdisk.h>
33 #include <devices/cdrom.h>
34 #include <devices/bochs_debug.h>
37 #include <palacios/vmm_host_events.h>
42 #define ROMBIOS_START 0x000f0000
43 #define VGABIOS_START 0x000c0000
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 struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
53 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
57 memcpy(dst, &foo, length);
59 PrintDebug("Passthrough mem read returning: %p (length=%d)\n", (void *)(foo + (guest_addr & 0xfff)), length);
63 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
64 memcpy(dst, (void*)guest_addr, length);
68 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
69 memcpy((void*)guest_addr, src, length);
75 int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
76 extern v3_cpu_arch_t v3_cpu_type;
78 // Initialize the subsystem data strutures
80 v3_init_vmm_io_map(info);
81 v3_init_msr_map(info);
82 v3_init_interrupt_state(info);
83 v3_init_dev_mgr(info);
84 v3_init_emulator(info);
85 v3_init_host_events(info);
87 init_shadow_map(info);
89 if (v3_cpu_type == V3_SVM_REV3_CPU) {
90 info->shdw_pg_mode = NESTED_PAGING;
92 v3_init_shadow_page_state(info);
93 info->shdw_pg_mode = SHADOW_PAGING;
96 // Initial CPU operating mode
97 info->cpu_mode = REAL;
98 info->mem_mode = PHYSICAL_MEM;
100 // Amount of ram the Guest will have
101 info->mem_size = config_ptr->mem_size;
103 // Configure the memory map for the guest
104 setup_memory_map(info, config_ptr);
106 // Configure the devices for the guest
107 setup_devices(info, config_ptr);
110 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
112 // Setup initial cpu register state
114 info->vm_regs.rsp = 0x0;
122 * The amount of guest memory is stored in info->mem_size
123 * We need to make sure the memory map extends to cover it
125 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
129 uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
130 void * guest_mem = V3_AllocPages(num_pages);
132 PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
133 memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
135 add_shadow_region_passthrough(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
137 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
138 (void *)ROMBIOS_START,
139 (void *)ROMBIOS_START + (num_pages * PAGE_SIZE),
146 uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
147 void * guest_mem = V3_AllocPages(num_pages);
149 PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
150 memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
152 add_shadow_region_passthrough(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
154 PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n",
155 (void *)VGABIOS_START,
156 (void *)VGABIOS_START + (num_pages * PAGE_SIZE),
161 add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
164 add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
166 hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
170 //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
173 add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
174 if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
175 PrintDebug("Error adding shadow region\n");
178 add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
179 add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
184 add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
186 /* MEMORY HOOK TEST */
187 add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
188 hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
189 add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
192 add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
194 // test - give linux accesss to PCI space - PAD
195 add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
198 print_shadow_map(&(info->mem_map));
205 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
206 struct vm_device * ramdisk = NULL;
207 struct vm_device * cdrom = NULL;
208 struct vm_device * nvram = v3_create_nvram();
209 //struct vm_device * timer = v3_create_timer();
210 struct vm_device * pic = v3_create_pic();
211 struct vm_device * keyboard = v3_create_keyboard();
212 struct vm_device * pit = v3_create_pit();
213 struct vm_device * bochs_debug = v3_create_bochs_debug();
215 //struct vm_device * serial = v3_create_serial();
216 struct vm_device * generic = NULL;
218 int use_ramdisk = config_ptr->use_ramdisk;
219 int use_generic = USE_GENERIC;
223 PrintDebug("Creating Ramdisk\n");
224 ramdisk = v3_create_ramdisk();
225 cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
230 generic = configure_generic(info, config_ptr);
234 v3_attach_device(info, nvram);
235 //v3_attach_device(info, timer);
236 v3_attach_device(info, pic);
237 v3_attach_device(info, pit);
238 v3_attach_device(info, keyboard);
239 // v3_attach_device(info, serial);
240 v3_attach_device(info, bochs_debug);
243 v3_attach_device(info, ramdisk);
244 v3_attach_device(info, cdrom);
248 // Important that this be attached last!
249 v3_attach_device(info, generic);
252 PrintDebugDevMgr(info);
255 // give keyboard interrupts to vm
256 // no longer needed since we have a keyboard device
257 //hook_irq(&vm_info, 1);
260 // give floppy controller to vm
261 v3_hook_passthrough_irq(info, 6);
266 PrintDebug("Hooking IDE IRQs\n");
269 v3_hook_passthrough_irq(info, 14);
272 v3_hook_passthrough_irq(info, 15);
281 static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
282 PrintDebug("Creating Generic Device\n");
283 struct vm_device * generic = v3_create_generic();
285 // Make the DMA controller invisible
286 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
287 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
288 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
289 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
290 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
291 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
292 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
293 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
294 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
295 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
296 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
297 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
302 // Make the Serial ports invisible
304 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
305 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
310 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
311 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
316 // Make the PCI bus invisible (at least it's configuration)
318 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
319 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
325 // Monitor the IDE controllers (very slow)
326 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
327 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
331 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
332 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
338 // Make the floppy controllers invisible
340 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
341 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
342 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
343 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
344 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
345 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
351 // Make the parallel port invisible
353 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
359 // Monitor graphics card operations
361 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
362 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
368 // Make the ISA PNP features invisible
370 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
371 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
372 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
377 // Monitor any network card (realtek ne2000) operations
378 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
383 // Make any Bus master ide controller invisible
385 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
387 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);