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>
25 #include <devices/serial.h>
26 #include <devices/keyboard.h>
27 #include <devices/8259a.h>
28 #include <devices/8254.h>
29 #include <devices/nvram.h>
30 #include <devices/generic.h>
31 #include <devices/ramdisk.h>
32 #include <devices/cdrom.h>
35 #include <palacios/vmm_host_events.h>
39 #define MAGIC_CODE 0xf1e2d3c4
43 struct layout_region {
48 struct guest_mem_layout {
51 struct layout_region regions[0];
57 static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
61 memcpy(dst, &foo, length);
63 PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
67 static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
68 memcpy(dst, (void*)guest_addr, length);
72 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
73 memcpy((void*)guest_addr, src, length);
78 /*static int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
80 struct guest_info * info = priv_data;
81 ulong_t tsc_spread = 0;
82 ullong_t exit_tsc = 0;
85 *(ulong_t *)(&exit_tsc) = info->vm_regs.rbx;
86 *(ulong_t *)((&exit_tsc) + 4) = info->vm_regs.rcx;
87 tsc_spread = info->exit_tsc - exit_tsc;
89 PrintError("IOREAD tsc diff = %lu\n",tsc_spread);
100 int config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
102 struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr->vm_kernel;
103 extern v3_cpu_arch_t v3_cpu_type;
107 int use_ramdisk = config_ptr->use_ramdisk;
108 int use_generic = USE_GENERIC;
112 init_shadow_map(info);
114 if (v3_cpu_type == V3_SVM_REV3_CPU) {
115 info->shdw_pg_mode = NESTED_PAGING;
117 init_shadow_page_state(info);
118 info->shdw_pg_mode = SHADOW_PAGING;
121 info->cpu_mode = REAL;
122 info->mem_mode = PHYSICAL_MEM;
125 init_vmm_io_map(info);
126 init_interrupt_state(info);
132 v3_init_host_events(info);
135 // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
136 //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024);
137 if (layout->magic != MAGIC_CODE) {
139 PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
143 PrintDebug("%d layout regions\n", layout->num_regions);
145 region_start = (void *)&(layout->regions[layout->num_regions]);
147 PrintDebug("region start = 0x%x\n", region_start);
149 for (i = 0; i < layout->num_regions; i++) {
150 struct layout_region * reg = &(layout->regions[i]);
151 uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
152 void * guest_mem = V3_AllocPages(num_pages);
154 PrintDebug("Layout Region %d bytes\n", reg->length);
155 memcpy(guest_mem, region_start, reg->length);
157 PrintDebugMemDump((unsigned char *)(guest_mem), 16);
159 add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
161 PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
163 region_start += reg->length;
167 add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
170 add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
172 hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
176 //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
179 add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1));
180 if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) {
181 PrintDebug("Error adding shadow region\n");
184 add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000);
185 add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000);
190 add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
192 /* MEMORY HOOK TEST */
193 add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
194 hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
195 add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
198 add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768));
200 // test - give linux accesss to PCI space - PAD
201 add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000);
204 print_shadow_map(&(info->mem_map));
207 struct vm_device * ramdisk = NULL;
208 struct vm_device * cdrom = NULL;
209 struct vm_device * nvram = create_nvram();
210 //struct vm_device * timer = create_timer();
211 struct vm_device * pic = create_pic();
212 struct vm_device * keyboard = create_keyboard();
213 struct vm_device * pit = create_pit();
215 //struct vm_device * serial = create_serial();
216 struct vm_device * generic = NULL;
222 PrintDebug("Creating Ramdisk\n");
223 ramdisk = create_ramdisk();
224 cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
229 PrintDebug("Creating Generic Device\n");
230 generic = create_generic();
232 // Make the DMA controller invisible
233 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
234 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
235 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
236 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
237 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
238 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
239 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
240 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
241 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
242 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
243 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
244 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
249 // Make the Serial ports invisible
251 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
252 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
257 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
258 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
263 // Make the PCI bus invisible (at least it's configuration)
265 v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
266 v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
272 // Monitor the IDE controllers (very slow)
273 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
274 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
278 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
279 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
285 // Make the floppy controllers invisible
287 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
288 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
289 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
290 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
291 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
292 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
298 // Make the parallel port invisible
300 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
306 // Monitor graphics card operations
308 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
309 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
315 // Make the ISA PNP features invisible
317 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
318 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
319 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
324 // Monitor any network card (realtek ne2000) operations
325 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
330 // Make any Bus master ide controller invisible
332 v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
336 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
342 v3_attach_device(info, nvram);
343 //v3_attach_device(info, timer);
344 v3_attach_device(info, pic);
345 v3_attach_device(info, pit);
346 v3_attach_device(info, keyboard);
347 // v3_attach_device(info, serial);
350 v3_attach_device(info, ramdisk);
351 v3_attach_device(info, cdrom);
355 // Important that this be attached last!
356 v3_attach_device(info, generic);
359 PrintDebugDevMgr(info);
362 // give keyboard interrupts to vm
363 // no longer needed since we have a keyboard device
364 //hook_irq(&vm_info, 1);
367 // give floppy controller to vm
368 v3_hook_passthrough_irq(info, 6);
373 PrintDebug("Hooking IDE IRQs\n");
376 v3_hook_passthrough_irq(info, 14);
379 v3_hook_passthrough_irq(info, 15);
382 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
385 info->vm_regs.rsp = 0x0;