X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_config.c;h=7a20d99ff2102ff7fd0d5dfbcee276d21edf9896;hb=a9b0e13d3ad5cef3b5b28cc7975480523941ad97;hp=ba2529a1b4b349ff109709c117155fec2d84fbef;hpb=f2c976eb850d2633d2bc05011a66bbc91a432204;p=palacios.git diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c index ba2529a..7a20d99 100644 --- a/palacios/src/palacios/vmm_config.c +++ b/palacios/src/palacios/vmm_config.c @@ -20,6 +20,10 @@ #include #include #include +#include +#include +#include +#include #include @@ -30,198 +34,264 @@ #include #include #include +#include +#include +#include -#define USE_GENERIC 1 -#define MAGIC_CODE 0xf1e2d3c4 +#include +#define USE_GENERIC 1 -struct layout_region { - ulong_t length; - ulong_t final_addr; -}; +#define ROMBIOS_START 0x000f0000 +#define VGABIOS_START 0x000c0000 -struct guest_mem_layout { - ulong_t magic; - ulong_t num_regions; - struct layout_region regions[0]; -}; +static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr); +static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr); +static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr); -static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) { - int foo = 20; - memcpy(dst, &foo, length); +static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) { - 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; -} + // memcpy((void*)guest_addr, src, length); + PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr); + PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src); -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; +int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) { extern v3_cpu_arch_t v3_cpu_type; - void * region_start; - int i; - - int use_ramdisk = config_ptr->use_ramdisk; - int use_generic = USE_GENERIC; - + // Initialize the subsystem data strutures v3_init_time(info); - init_shadow_map(info); + v3_init_io_map(info); + v3_init_msr_map(info); + v3_init_interrupt_state(info); + v3_init_dev_mgr(info); + v3_init_host_events(info); + + v3_init_decoder(info); + + v3_init_shadow_map(info); if (v3_cpu_type == V3_SVM_REV3_CPU) { info->shdw_pg_mode = NESTED_PAGING; } else { - init_shadow_page_state(info); + v3_init_shadow_page_state(info); info->shdw_pg_mode = SHADOW_PAGING; } + // Initial CPU operating mode 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); - + // Amount of ram the Guest will have + info->mem_size = config_ptr->mem_size; + + // Configure the memory map for the guest + setup_memory_map(info, config_ptr); + + // Configure the devices for the guest + setup_devices(info, config_ptr); - // 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; + + + if (config_ptr->enable_profiling) { + info->enable_profiler = 1; + v3_init_profiler(info); + } else { + info->enable_profiler = 0; } + + //v3_hook_io_port(info, 1234, &IO_Read, NULL, info); + + // Setup initial cpu register state + info->rip = 0xfff0; + info->vm_regs.rsp = 0x0; - 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); + + return 0; +} + + +/* TODO: + * The amount of guest memory is stored in info->mem_size + * We need to make sure the memory map extends to cover it + */ +static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) { + + /* layout rombios */ + { + uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE; + void * guest_mem = V3_AllocPages(num_pages); + + PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size); + memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size); + + v3_add_shadow_mem(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE) - 1, (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); + PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n", + (void *)ROMBIOS_START, + (void *)ROMBIOS_START + (num_pages * PAGE_SIZE), + (void *)guest_mem); + } + + + /* layout vgabios */ + { + uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE; + void * guest_mem = V3_AllocPages(num_pages); + + PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size); + memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size); + + v3_add_shadow_mem(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE) - 1, (addr_t)guest_mem); - region_start += reg->length; + PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n", + (void *)VGABIOS_START, + (void *)VGABIOS_START + (num_pages * PAGE_SIZE), + (void *)guest_mem); } - + // - add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160)); + v3_add_shadow_mem(info, 0x0, 0x9ffff, (addr_t)V3_AllocPages(160)); - if (1) { - add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000); + if (0) { + v3_add_shadow_mem(info, 0xa0000, 0xbffff, 0xa0000); } else { - hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL); + v3_hook_write_mem(info, 0xa0000, 0xbffff, 0xa0000, 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) { + v3_add_shadow_mem(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1)); + if (v3_add_shadow_mem(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); + v3_add_shadow_mem(info, 0xc0000, 0xc8000, 0xc0000); + v3_add_shadow_mem(info, 0xc8000, 0xf0000, 0xc8000); } if (1) { - add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096)); + v3_add_shadow_mem(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)); + v3_add_shadow_mem(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304)); + v3_hook_write_mem(info, 0xa00000, 0xa01000, (addr_t)V3_AllocPages(1), passthrough_mem_write, NULL); + v3_add_shadow_mem(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791)); } - add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768)); + v3_add_shadow_mem(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768)); // test - give linux accesss to PCI space - PAD - add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000); + //v3_add_shadow_mem(info, 0xc0000000,0xffffffff,0xc0000000); - print_shadow_map(&(info->mem_map)); + print_shadow_map(info); - - { + return 0; +} + + + +static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) { 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 * nvram = v3_create_nvram(); + //struct vm_device * timer = v3_create_timer(); + struct vm_device * pic = v3_create_pic(); + struct vm_device * keyboard = v3_create_keyboard(); + struct vm_device * pit = v3_create_pit(); + struct vm_device * bochs_debug = v3_create_bochs_debug(); + struct vm_device * os_debug = v3_create_os_debug(); + struct vm_device * apic = v3_create_apic(); + + //struct vm_device * serial = v3_create_serial(); struct vm_device * generic = NULL; - + int use_ramdisk = config_ptr->use_ramdisk; + int use_generic = USE_GENERIC; if (use_ramdisk) { PrintDebug("Creating Ramdisk\n"); - ramdisk = create_ramdisk(); + ramdisk = v3_create_ramdisk(); cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size); } if (use_generic) { + generic = configure_generic(info, config_ptr); + } + + + 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); + v3_attach_device(info, bochs_debug); + v3_attach_device(info, os_debug); + + v3_attach_device(info, apic); + + 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); + } + + + return 0; +} + + + +static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) { PrintDebug("Creating Generic Device\n"); - generic = create_generic(); + struct vm_device * generic = v3_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) @@ -325,59 +395,9 @@ int config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) { 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); + return generic; - - - 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; }