X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_config.c;h=f0befa8d7478fa89c4dda23e300ea21feed300d9;hb=18cc68af5caa15264a853167e9d2d885cb79317a;hp=1236a0b2d9d6524e172f6ea1eed06220b07490f0;hpb=a0e1d8274aef54adcf50dce0b3843489f2a3cd21;p=palacios.git diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c index 1236a0b..f0befa8 100644 --- a/palacios/src/palacios/vmm_config.c +++ b/palacios/src/palacios/vmm_config.c @@ -55,7 +55,6 @@ 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); @@ -76,19 +75,28 @@ 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; + // Amount of ram the Guest will have, rounded to a 4K page boundary + info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff; + + // 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_exception_state(info); v3_init_dev_mgr(info); v3_init_host_events(info); - + + v3_init_decoder(info); + v3_init_hypercall_map(info); + + + // Initialize the memory map v3_init_shadow_map(info); - v3_init_hypercall_map(info); if ((v3_cpu_type == V3_SVM_REV3_CPU) && (config_ptr->enable_nested_paging == 1)) { @@ -104,19 +112,12 @@ int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) 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); - - if (config_ptr->enable_profiling) { info->enable_profiler = 1; @@ -136,33 +137,16 @@ int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) } + + + /* 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; - 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) { @@ -172,104 +156,31 @@ static int setup_memory_map(struct guest_info * info, struct v3_vm_config * conf } else { v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL); } - - + +#define VGABIOS_START 0x000c0000 +#define ROMBIOS_START 0x000f0000 + /* 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(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; - } + addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START); + memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size); } /* 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); - - 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%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; - } + addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START); + memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size); } #ifdef CRAY_XT { #define SEASTAR_START 0xffe00000 #define SEASTAR_END 0xffffffff - - // Fill in generic memory below the seastar - addr_t top_of_mem = (SEASTAR_START < info->mem_size) ? SEASTAR_START : info->mem_size; - int num_low_pages = (top_of_mem - 0x100000) / PAGE_SIZE; - - if (v3_add_shadow_mem(info, 0x100000, top_of_mem, (addr_t)V3_AllocPages(num_low_pages)) == -1) { - PrintError("Could not extended memory below 4G\n"); - return -1; - } - // Map the Seastar straight through if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) { PrintError("Could not map through the seastar\n"); return -1; } - - - // Add memory above the seastar - if (info->mem_size > SEASTAR_END) { - int num_high_pages = mem_pages - (SEASTAR_END / PAGE_SIZE); - - if (v3_add_shadow_mem(info, SEASTAR_END, info->mem_size, (addr_t)V3_AllocPages(num_high_pages)) == -1) { - PrintError("Could not map extended memory above 4G\n"); - return -1; - } - } - } -#else - // 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; - } - } } #endif @@ -280,7 +191,7 @@ static int setup_memory_map(struct guest_info * info, struct v3_vm_config * conf -static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) { +int v3_config_devices(struct guest_info * info, struct v3_vm_config * config_ptr) { struct vm_device * ide = NULL; struct vm_device * ramdisk = NULL; @@ -289,7 +200,7 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ struct vm_device * northbridge = NULL; struct vm_device * southbridge = NULL; - struct vm_device * nvram = v3_create_nvram(); + struct vm_device * nvram = NULL; struct vm_device * pic = v3_create_pic(); struct vm_device * keyboard = v3_create_keyboard(); struct vm_device * pit = v3_create_pit(); @@ -316,6 +227,9 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ } + + nvram = v3_create_nvram(ide); + if (config_ptr->use_ram_cd == 1) { PrintDebug("Creating Ram CD\n"); ramdisk = v3_create_ram_cd(ide, 0, 0, @@ -336,7 +250,7 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ - v3_attach_device(info, nvram); + v3_attach_device(info, pic); v3_attach_device(info, pit); v3_attach_device(info, keyboard); @@ -361,7 +275,6 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ PrintDebug("Attaching IDE\n"); v3_attach_device(info, ide); - if (ramdisk != NULL) { v3_attach_device(info, ramdisk); } @@ -370,6 +283,9 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ // Important that this be attached last! v3_attach_device(info, generic); } + + // This should go last because it contains the hardware state + v3_attach_device(info, nvram); PrintDebugDevMgr(info); @@ -378,10 +294,16 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ + + static struct vm_device * configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) { PrintDebug("Creating Generic Device\n"); struct vm_device * generic = v3_create_generic(); + + // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush) + + // 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) @@ -479,11 +401,7 @@ static struct vm_device * configure_generic(struct guest_info * info, struct v3 #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);