X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_config.c;h=32e386227c7f0ef30e7de21bcb9c7b7c4e3a9fca;hb=f44ca084bc46b20de6414920ab3a6fe53688095f;hp=10742f72be0fd156f03a450fd056175dc4085530;hpb=fc14d48378cdc90085786bccf4a5230261a0d315;p=palacios.git diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c index 10742f7..32e3862 100644 --- a/palacios/src/palacios/vmm_config.c +++ b/palacios/src/palacios/vmm_config.c @@ -20,6 +20,11 @@ #include #include #include +#include +#include +#include +#include +#include #include @@ -31,6 +36,10 @@ #include #include #include +#include +#include +#include + #include @@ -38,29 +47,23 @@ #define USE_GENERIC 1 -#define ROMBIOS_START 0x000f0000 -#define VGABIOS_START 0x000c0000 +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); - PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length); - return length; -} +static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) { -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; -} + 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; } @@ -69,13 +72,20 @@ static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, v int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) { extern v3_cpu_arch_t v3_cpu_type; + // Initialize the subsystem data strutures + v3_init_time(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); - int use_ramdisk = config_ptr->use_ramdisk; - int use_generic = USE_GENERIC; - + v3_init_decoder(info); + + v3_init_shadow_map(info); + + v3_init_hypercall_map(info); - v3_init_time(info); - init_shadow_map(info); if (v3_cpu_type == V3_SVM_REV3_CPU) { info->shdw_pg_mode = NESTED_PAGING; @@ -84,95 +94,156 @@ int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) info->shdw_pg_mode = SHADOW_PAGING; } + // Initial CPU operating mode info->cpu_mode = REAL; info->mem_mode = PHYSICAL_MEM; - + + // Amount of ram the Guest will have, rounded to a 4K page boundary + info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff; + + // Configure the memory map for the guest + if (setup_memory_map(info, config_ptr) == -1) { + PrintError("Setting up guest memory map failed...\n"); + return -1; + } + + // Configure the devices for the guest + setup_devices(info, config_ptr); - v3_init_vmm_io_map(info); - v3_init_interrupt_state(info); - - v3_init_dev_mgr(info); - v3_init_emulator(info); + + 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; - v3_init_host_events(info); - + return 0; +} - /* 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(guest_mem, config_ptr->rombios, config_ptr->rombios_size); +/* 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) { + addr_t mem_pages = info->mem_size >> 12; - add_shadow_region_passthrough(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem); - - PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", - ROMBIOS_START, - ROMBIOS_START + (num_pages * PAGE_SIZE), - guest_mem); + PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024))); + + // Fill up to the 640K hole + if (mem_pages >= 160) { + if (v3_add_shadow_mem(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160)) == -1) { + PrintError("Could not map full conventional memory\n"); + return -1; + } + } else { + // Less than 640k of memory + if (v3_add_shadow_mem(info, 0x0, (mem_pages * PAGE_SIZE), (addr_t)V3_AllocPages(mem_pages)) == -1) { + PrintError("Could not map subset of conventional memory\n"); + return -1; + }; } +#define VGABIOS_START 0x000c0000 +#define ROMBIOS_START 0x000f0000 + + // VGA frame buffer + if (1) { + if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) { + PrintError("Could not map VGA framebuffer\n"); + return -1; + } + } else { + v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL); + } + + /* layout vgabios */ { uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE; void * guest_mem = V3_AllocPages(num_pages); + addr_t vgabios_end = VGABIOS_START + (num_pages * PAGE_SIZE); PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size); - memcpy(guest_mem, config_ptr->vgabios, config_ptr->vgabios_size); + memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size); + + if (v3_add_shadow_mem(info, VGABIOS_START, vgabios_end, (addr_t)guest_mem) == -1) { + PrintError("Could not map VGABIOS\n"); + return -1; + } + + PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n", + (void *)VGABIOS_START, + (void *)vgabios_end, + (void *)guest_mem); + + + // Fill in the space between the VGABIOS and the ROMBIOS + // We'll just back this to shadow memory for now.... + if (v3_add_shadow_mem(info, vgabios_end, ROMBIOS_START, + (addr_t)V3_AllocPages((ROMBIOS_START - vgabios_end) / PAGE_SIZE)) == -1) { + PrintError("Could not map VGABIOS->ROMBIOS gap\n"); + return -1; + } + } + + /* layout rombios */ + { + uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE; + void * guest_mem = V3_AllocPages(num_pages); + addr_t rombios_end = ROMBIOS_START + (num_pages * PAGE_SIZE); - add_shadow_region_passthrough(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem); + PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size); + memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size); + + if (v3_add_shadow_mem(info, ROMBIOS_START, rombios_end, (addr_t)guest_mem) == -1) { + PrintError("Could not map ROMBIOS\n"); + return -1; + } - PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", - VGABIOS_START, - VGABIOS_START + (num_pages * PAGE_SIZE), - guest_mem); + PrintDebug("Adding Shadow Region (0x%p-0x%p) -> 0x%p\n", + (void *)ROMBIOS_START, + (void *)rombios_end, + (void *)guest_mem); + + if (rombios_end != 0x100000) { + PrintError("ROMBIOS must reach the 1MB barrier....\n"); + return -1; + } } - // - 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"); + + + // Fill in the extended memory map.... + { + int num_ext_pages = mem_pages - (0x100000 / PAGE_SIZE); + + if (num_ext_pages > 0) { + if (v3_add_shadow_mem(info, 0x100000, info->mem_size, (addr_t)V3_AllocPages(num_ext_pages)) == -1) { + PrintError("Could not allocate extended shadow memory\n"); + return -1; + } } - } 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)); - } + print_shadow_map(info); - 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)); - - { + 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 = v3_create_nvram(); @@ -181,11 +252,15 @@ int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) 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 * ioapic = v3_create_io_apic(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) { @@ -196,8 +271,64 @@ int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) 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); + v3_attach_device(info, ioapic); + + 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 = v3_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) @@ -301,60 +432,9 @@ int v3_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); - v3_attach_device(info, bochs_debug); - - 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; }