#include <devices/generic.h>
#include <devices/ide.h>
#include <devices/ram_cd.h>
+#include <devices/ram_hd.h>
#include <devices/bochs_debug.h>
#include <devices/os_debug.h>
#include <devices/apic.h>
#include <devices/io_apic.h>
#include <devices/para_net.h>
#include <devices/pci.h>
-
+#include <devices/i440fx.h>
+#include <devices/piix3.h>
#include <palacios/vmm_host_events.h>
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);
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) {
+ if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
+ (config_ptr->enable_nested_paging == 1)) {
+ PrintDebug("Guest Page Mode: NESTED_PAGING\n");
info->shdw_pg_mode = NESTED_PAGING;
} else {
+ PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
v3_init_shadow_page_state(info);
info->shdw_pg_mode = SHADOW_PAGING;
}
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;
}
+
+
+
/* 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) {
} 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
-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 * ram_cd = NULL;
-#ifdef DEBUG_PCI
- struct vm_device * pci = v3_create_pci();
-#endif
- struct vm_device * nvram = v3_create_nvram();
- //struct vm_device * timer = v3_create_timer();
+ struct vm_device * ramdisk = NULL;
+
+ struct vm_device * pci = NULL;
+ struct vm_device * northbridge = NULL;
+ struct vm_device * southbridge = NULL;
+
+ 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();
struct vm_device * ioapic = v3_create_io_apic(apic);
struct vm_device * para_net = v3_create_para_net();
+
//struct vm_device * serial = v3_create_serial();
struct vm_device * generic = NULL;
- int use_ramdisk = config_ptr->use_ramdisk;
+
int use_generic = USE_GENERIC;
- ide = v3_create_ide();
+ if (config_ptr->enable_pci == 1) {
+ pci = v3_create_pci();
+ northbridge = v3_create_i440fx(pci);
+ southbridge = v3_create_piix3(pci);
+ ide = v3_create_ide(pci, southbridge);
+ } else {
+ ide = v3_create_ide(NULL, NULL);
+ }
+
- if (use_ramdisk) {
- PrintDebug("Creating Ramdisk\n");
- ram_cd = v3_create_ram_cd(ide, 0, 0,
- (addr_t)(config_ptr->ramdisk),
- config_ptr->ramdisk_size);
+
+ 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,
+ (addr_t)(config_ptr->ramdisk),
+ config_ptr->ramdisk_size);
+ } else if (config_ptr->use_ram_hd == 1) {
+ PrintDebug("Creating Ram HD\n");
+ ramdisk = v3_create_ram_hd(ide, 0, 0,
+ (addr_t)(config_ptr->ramdisk),
+ config_ptr->ramdisk_size);
}
generic = configure_generic(info, config_ptr);
}
-#ifdef DEBUG_PCI
- v3_attach_device(info, pci);
-#endif
- 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, para_net);
+ if (config_ptr->enable_pci == 1) {
+ PrintDebug("Attaching PCI\n");
+ v3_attach_device(info, pci);
+ PrintDebug("Attaching Northbridge\n");
+ v3_attach_device(info, northbridge);
+ PrintDebug("Attaching Southbridge\n");
+ v3_attach_device(info, southbridge);
+ }
+
+ PrintDebug("Attaching IDE\n");
v3_attach_device(info, ide);
- if (use_ramdisk) {
- v3_attach_device(info, ram_cd);
+ if (ramdisk != NULL) {
+ v3_attach_device(info, ramdisk);
}
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);
- }
+ // This should go last because it contains the hardware state
+ v3_attach_device(info, nvram);
+ PrintDebugDevMgr(info);
return 0;
}
+
+
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)
// 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
+ //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
#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);
