/* * This file is part of the Palacios Virtual Machine Monitor developed * by the V3VEE Project with funding from the United States National * Science Foundation and the Department of Energy. * * The V3VEE Project is a joint project between Northwestern University * and the University of New Mexico. You can find out more at * http://www.v3vee.org * * Copyright (c) 2008, Jack Lange * Copyright (c) 2008, The V3VEE Project * All rights reserved. * * Author: Jack Lange * * This is free software. You are permitted to use, * redistribute, and modify it as specified in the file "V3VEE_LICENSE". */ #include #include #include #include #include #include #include #include #include #include #include #include #define USE_GENERIC 1 #define MAGIC_CODE 0xf1e2d3c4 struct layout_region { ulong_t length; ulong_t final_addr; }; struct guest_mem_layout { ulong_t magic; ulong_t num_regions; struct layout_region regions[0]; }; static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) { int foo = 20; memcpy(dst, &foo, length); PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length); return length; } static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) { memcpy(dst, (void*)guest_addr, length); return length; } static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) { memcpy((void*)guest_addr, src, length); return length; } /*static int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) { struct guest_info * info = priv_data; ulong_t tsc_spread = 0; ullong_t exit_tsc = 0; *(ulong_t *)(&exit_tsc) = info->vm_regs.rbx; *(ulong_t *)((&exit_tsc) + 4) = info->vm_regs.rcx; tsc_spread = info->exit_tsc - exit_tsc; PrintError("IOREAD tsc diff = %lu\n",tsc_spread); info->rip += 3; return 1; } */ int config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) { struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr->vm_kernel; extern v3_cpu_arch_t v3_cpu_type; void * region_start; uint_t i; int use_ramdisk = config_ptr->use_ramdisk; int use_generic = USE_GENERIC; v3_init_time(info); init_shadow_map(info); if (v3_cpu_type == V3_SVM_REV3_CPU) { info->shdw_pg_mode = NESTED_PAGING; } else { init_shadow_page_state(info); info->shdw_pg_mode = SHADOW_PAGING; } info->cpu_mode = REAL; info->mem_mode = PHYSICAL_MEM; init_vmm_io_map(info); init_interrupt_state(info); dev_mgr_init(info); init_emulator(info); v3_init_host_events(info); // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000); //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024); if (layout->magic != MAGIC_CODE) { PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic); return -1; } PrintDebug("%d layout regions\n", layout->num_regions); region_start = (void *)&(layout->regions[layout->num_regions]); PrintDebug("region start = 0x%x\n", region_start); for (i = 0; i < layout->num_regions; i++) { struct layout_region * reg = &(layout->regions[i]); uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0); void * guest_mem = V3_AllocPages(num_pages); PrintDebug("Layout Region %d bytes\n", reg->length); memcpy(guest_mem, region_start, reg->length); PrintDebugMemDump((unsigned char *)(guest_mem), 16); add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem); PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem); region_start += reg->length; } // add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160)); if (1) { add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000); } else { hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL); } // TEMP //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000); if (1) { add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1)); if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) { PrintDebug("Error adding shadow region\n"); } } else { add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000); add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000); } if (1) { add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096)); } else { /* MEMORY HOOK TEST */ add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304)); hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL); add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791)); } add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768)); // test - give linux accesss to PCI space - PAD add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000); print_shadow_map(&(info->mem_map)); { struct vm_device * ramdisk = NULL; struct vm_device * cdrom = NULL; struct vm_device * nvram = create_nvram(); //struct vm_device * timer = create_timer(); struct vm_device * pic = create_pic(); struct vm_device * keyboard = create_keyboard(); struct vm_device * pit = create_pit(); //struct vm_device * serial = create_serial(); struct vm_device * generic = NULL; if (use_ramdisk) { PrintDebug("Creating Ramdisk\n"); ramdisk = create_ramdisk(); cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size); } if (use_generic) { PrintDebug("Creating Generic Device\n"); generic = create_generic(); // Make the DMA controller invisible v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter) v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter) v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask) v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers // Make the Serial ports invisible v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4 // Make the PCI bus invisible (at least it's configuration) v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data #if 0 if (!use_ramdisk) { // Monitor the IDE controllers (very slow) v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1 } v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0 #endif #if 0 // Make the floppy controllers invisible v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR) v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data) v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR) v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR) v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data) v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR) #endif #if 1 // Make the parallel port invisible v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE); #endif #if 1 // Monitor graphics card operations v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH); v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH); #endif #if 1 // Make the ISA PNP features invisible v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE); v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE); v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE); #endif #if 1 // Monitor any network card (realtek ne2000) operations v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH); #endif #if 1 // Make any Bus master ide controller invisible v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE); #endif } // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE); v3_attach_device(info, nvram); //v3_attach_device(info, timer); v3_attach_device(info, pic); v3_attach_device(info, pit); v3_attach_device(info, keyboard); // v3_attach_device(info, serial); if (use_ramdisk) { v3_attach_device(info, ramdisk); v3_attach_device(info, cdrom); } if (use_generic) { // Important that this be attached last! v3_attach_device(info, generic); } PrintDebugDevMgr(info); } // give keyboard interrupts to vm // no longer needed since we have a keyboard device //hook_irq(&vm_info, 1); #if 0 // give floppy controller to vm v3_hook_passthrough_irq(info, 6); #endif if (!use_ramdisk) { PrintDebug("Hooking IDE IRQs\n"); //primary ide v3_hook_passthrough_irq(info, 14); // secondary ide v3_hook_passthrough_irq(info, 15); } //v3_hook_io_port(info, 1234, &IO_Read, NULL, info); info->rip = 0xfff0; info->vm_regs.rsp = 0x0; return 0; }