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".
21 #include <palacios/vmm_config.h>
22 #include <palacios/vmm.h>
23 #include <palacios/vmm_debug.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>
38 #define MAGIC_CODE 0xf1e2d3c4
42 struct layout_region {
47 struct guest_mem_layout {
50 struct layout_region regions[0];
56 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
60 memcpy(dst, &foo, length);
62 PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
66 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
67 memcpy(dst, (void*)guest_addr, length);
71 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
72 memcpy((void*)guest_addr, src, length);
77 /*static int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
79 struct guest_info * info = priv_data;
80 ulong_t tsc_spread = 0;
81 ullong_t exit_tsc = 0;
84 *(ulong_t *)(&exit_tsc) = info->vm_regs.rbx;
85 *(ulong_t *)((&exit_tsc) + 4) = info->vm_regs.rcx;
86 tsc_spread = info->exit_tsc - exit_tsc;
88 PrintError("IOREAD tsc diff = %lu\n",tsc_spread);
96 int config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
98 struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr->vm_kernel;
99 extern v3_cpu_arch_t v3_cpu_type;
103 int use_ramdisk = config_ptr->use_ramdisk;
104 int use_generic = USE_GENERIC;
108 init_shadow_map(info);
110 if (v3_cpu_type == V3_SVM_REV3_CPU) {
111 info->shdw_pg_mode = NESTED_PAGING;
113 init_shadow_page_state(info);
114 info->shdw_pg_mode = SHADOW_PAGING;
117 info->cpu_mode = REAL;
118 info->mem_mode = PHYSICAL_MEM;
121 init_vmm_io_map(info);
122 init_interrupt_state(info);
129 // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
130 //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
131 if (layout->magic != MAGIC_CODE) {
133 PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
137 PrintDebug("%d layout regions\n", layout->num_regions);
139 region_start = (void *)&(layout->regions[layout->num_regions]);
141 PrintDebug("region start = 0x%x\n", region_start);
143 for (i = 0; i < layout->num_regions; i++) {
144 struct layout_region * reg = &(layout->regions[i]);
145 uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
146 void * guest_mem = V3_AllocPages(num_pages);
148 PrintDebug("Layout Region %d bytes\n", reg->length);
149 memcpy(guest_mem, region_start, reg->length);
151 PrintDebugMemDump((unsigned char *)(guest_mem), 16);
153 add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
155 PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
157 region_start += reg->length;
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));
202 struct vm_device * ramdisk = NULL;
203 struct vm_device * cdrom = NULL;
204 struct vm_device * nvram = create_nvram();
205 //struct vm_device * timer = create_timer();
206 struct vm_device * pic = create_pic();
207 struct vm_device * keyboard = create_keyboard();
208 struct vm_device * pit = create_pit();
210 //struct vm_device * serial = create_serial();
211 struct vm_device * generic = NULL;
217 PrintDebug("Creating Ramdisk\n");
218 ramdisk = create_ramdisk();
219 cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
224 PrintDebug("Creating Generic Device\n");
225 generic = create_generic();
227 // Make the DMA controller invisible
228 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
229 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
230 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
231 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
232 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
233 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
234 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
235 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
236 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
237 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
238 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
239 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
244 // Make the Serial ports invisible
246 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
247 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
252 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
253 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
258 // Make the PCI bus invisible (at least it's configuration)
260 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
261 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
267 // Monitor the IDE controllers (very slow)
268 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
269 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
273 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
274 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
280 // Make the floppy controllers invisible
282 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
283 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
284 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
285 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
286 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
287 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
293 // Make the parallel port invisible
295 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
301 // Monitor graphics card operations
303 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
304 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
310 // Make the ISA PNP features invisible
312 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
313 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
314 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
319 // Monitor any network card (realtek ne2000) operations
320 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
325 // Make any Bus master ide controller invisible
327 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
331 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
337 v3_attach_device(info, nvram);
338 //v3_attach_device(info, timer);
339 v3_attach_device(info, pic);
340 v3_attach_device(info, pit);
341 v3_attach_device(info, keyboard);
342 // v3_attach_device(info, serial);
345 v3_attach_device(info, ramdisk);
346 v3_attach_device(info, cdrom);
350 // Important that this be attached last!
351 v3_attach_device(info, generic);
354 PrintDebugDevMgr(info);
357 // give keyboard interrupts to vm
358 // no longer needed since we have a keyboard device
359 //hook_irq(&vm_info, 1);
362 // give floppy controller to vm
363 v3_hook_passthrough_irq(info, 6);
369 v3_hook_passthrough_irq(info, 14);
372 v3_hook_passthrough_irq(info, 15);
375 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
378 info->vm_regs.rsp = 0x0;