#include <palacios/vmm.h>
#include <geekos/debug.h>
#include <geekos/serial.h>
+#include <geekos/vm.h>
+#include <geekos/screen.h>
+#include <devices/generic.h>
+#include <devices/nvram.h>
+#include <devices/timer.h>
+#include <devices/simple_pic.h>
+#include <devices/8259a.h>
+#include <devices/8254.h>
+#include <devices/keyboard.h>
-#define SPEAKER_PORT 0x61
-
-
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_time.h>
+#define SPEAKER_PORT 0x61
-inline void VM_Out_Byte(ushort_t port, uchar_t value)
+static inline void VM_Out_Byte(ushort_t port, uchar_t value)
{
__asm__ __volatile__ (
"outb %b0, %w1"
/*
* Read a byte from an I/O port.
*/
-inline uchar_t VM_In_Byte(ushort_t port)
+static inline uchar_t VM_In_Byte(ushort_t port)
{
uchar_t value;
-int IO_Read(ushort_t port, void * dst, uint_t length) {
- uchar_t * iter = dst;
- uint_t i;
- for (i = 0; i < length; i++) {
- *iter = VM_In_Byte(port);
- iter++;
+int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
+
+ if (length != 1) {
+ return 0;
}
-
- return 0;
-}
+ *(uchar_t*)dst = VM_In_Byte(port);
+ return 1;
+}
-int IO_Write(ushort_t port, void * src, uint_t length) {
- uchar_t * iter = src;
- uint_t i;
+int IO_Write(ushort_t port, void * src, uint_t length, void * priv_data) {
- for (i = 0; i < length; i++) {
- VM_Out_Byte(port, *iter);
- iter++;
+ if (length != 1) {
+ return 0;
}
- return 0;
+ VM_Out_Byte(port, *(uchar_t *)src);
+
+ return 1;
}
-int IO_Read_to_Serial(ushort_t port, void * dst, uint_t length) {
+int IO_Read_to_Serial(ushort_t port, void * dst, uint_t length, void * priv_data) {
PrintBoth("Input from Guest on port %d (0x%x) Length=%d\n", port, port, length);
return 0;
}
+char * bochs_debug_buf = NULL;
+int bochs_debug_offset = 0;
+
-int IO_Write_to_Serial(ushort_t port, void * src, uint_t length) {
- PrintBoth("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
+int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
+ if (!bochs_debug_buf) {
+ bochs_debug_buf = (char*)Malloc(1024);
+ }
+
+ bochs_debug_buf[bochs_debug_offset++] = *(char*)src;
+
+ if ((*(char*)src == 0xa) || (bochs_debug_offset == 1023)) {
+ SerialPrint("BOCHS>%s", bochs_debug_buf);
+ memset(bochs_debug_buf, 0, 1024);
+ bochs_debug_offset = 0;
+ }
+
+ return length;
+}
+
+
+int IO_Write_to_Serial(ushort_t port, void * src, uint_t length, void * priv_data) {
+ SerialPrint("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
switch (length) {
case 1:
- PrintBoth(">0x%.2x\n", *(char*)src);
+ SerialPrint(">0x%.2x\n", *(char*)src);
break;
case 2:
- PrintBoth(">0x%.4x\n", *(ushort_t*)src);
+ SerialPrint(">0x%.4x\n", *(ushort_t*)src);
break;
case 4:
- PrintBoth(">0x%.8x\n", *(uint_t*)src);
+ SerialPrint(">0x%.8x\n", *(uint_t*)src);
break;
default:
break;
+int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
+ memcpy(dst, (void*)guest_addr, length);
+ return length;
+}
+int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
+ memcpy((void*)guest_addr, src, length);
+ return length;
+}
+
+/* We need a configuration mechanism, so we can wrap this completely inside the VMM code,
+ * with no pollution into the HOST OS
+ */
+
int RunVMM(struct Boot_Info * bootInfo) {
struct vmm_os_hooks os_hooks;
addr_t rsp;
addr_t rip;
+
+
memset(&os_hooks, 0, sizeof(struct vmm_os_hooks));
memset(&vmm_ops, 0, sizeof(struct vmm_ctrl_ops));
memset(&vm_info, 0, sizeof(struct guest_info));
- os_hooks.print_debug = &PrintBoth;
+ os_hooks.print_debug = &SerialPrint;
os_hooks.print_info = &Print;
os_hooks.print_trace = &SerialPrint;
os_hooks.allocate_pages = &Allocate_VMM_Pages;
os_hooks.free = &VMM_Free;
os_hooks.vaddr_to_paddr = &Identity;
os_hooks.paddr_to_vaddr = &Identity;
+ os_hooks.hook_interrupt = &hook_irq_stub;
+ os_hooks.ack_irq = &ack_irq;
+ os_hooks.get_cpu_khz = &get_cpu_khz;
-
- // DumpGDT();
Init_VMM(&os_hooks, &vmm_ops);
+
+ /* MOVE THIS TO AN INIT GUEST ROUTINE */
+
+
+ v3_init_time(&(vm_info.time_state));
init_shadow_map(&(vm_info.mem_map));
- init_shadow_page_state(&(vm_info.shdw_pg_state));
- vm_info.page_mode = SHADOW_PAGING;
+
+ if ((vmm_ops).has_nested_paging()) {
+ vm_info.shdw_pg_mode = NESTED_PAGING;
+ } else {
+ init_shadow_page_state(&(vm_info.shdw_pg_state));
+ vm_info.shdw_pg_mode = SHADOW_PAGING;
+ }
vm_info.cpu_mode = REAL;
+ vm_info.mem_mode = PHYSICAL_MEM;
+ //init_irq_map(&(vm_info.irq_map));
init_vmm_io_map(&(vm_info.io_map));
+ init_interrupt_state(&vm_info);
+ dev_mgr_init(&(vm_info.dev_mgr));
+ /* ** */
if (0) {
//add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
// add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
- shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
- init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
- 0x100000, HOST_REGION_PHYSICAL_MEMORY);
- add_shadow_region(&(vm_info.mem_map),ent);
+ /*
+ shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
+ init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
+ 0x100000, HOST_REGION_PHYSICAL_MEMORY);
+ add_shadow_region(&(vm_info.mem_map),ent);
+ */
- hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write);
- hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial);
+ add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
+
+ hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
+ hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
/*
- vm_info.cr0 = 0;
- vm_info.cs.base=0xf000;
- vm_info.cs.limit=0xffff;
+ vm_info.cr0 = 0;
+ vm_info.cs.base=0xf000;
+ vm_info.cs.limit=0xffff;
*/
//vm_info.rip = 0xfff0;
vm_info.rip = 0;
vm_info.vm_regs.rsp = 0x0;
} else {
- shadow_region_t *ent = Malloc(sizeof(shadow_region_t));
- /*
- init_shadow_region_physical(ent,0xf0000,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
- 0x100000, HOST_REGION_PHYSICAL_MEMORY);
- add_shadow_region(&(vm_info.mem_map),ent);
- ent = Malloc(sizeof(shadow_region_t));
- */
- void * guest_mem = Allocate_VMM_Pages(256);
+ int i;
+ void * region_start;
+
+
+ PrintBoth("Guest Size: %lu\n", bootInfo->guest_size);
+
+ struct guest_mem_layout * layout = (struct guest_mem_layout *)0x100000;
+
+ if (layout->magic != MAGIC_CODE) {
+ PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic);
+ }
+
+ PrintBoth("%d layout regions\n", layout->num_regions);
+
+ region_start = (void *)&(layout->regions[layout->num_regions]);
- PrintDebug("Guest Size: %lu\n", bootInfo->guest_size);
+ PrintBoth("region start = 0x%x\n", region_start);
- memcpy((void *)(guest_mem + 0xf0000), (void *)0x100000, bootInfo->guest_size);
+ 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 = Allocate_VMM_Pages(num_pages);
+ PrintBoth("Layout Region %d bytes\n", reg->length);
+ memcpy(guest_mem, region_start, reg->length);
+
+ SerialMemDump((unsigned char *)(guest_mem), 16);
- SerialMemDump((unsigned char *)(guest_mem + 0xffff0), 16);
+ add_shadow_region_passthrough(&vm_info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
- init_shadow_region_physical(ent, 0x0, 0x100000, GUEST_REGION_PHYSICAL_MEMORY,
- (addr_t)guest_mem, HOST_REGION_PHYSICAL_MEMORY);
- add_shadow_region(&(vm_info.mem_map),ent);
+ PrintBoth("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(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
+
+ add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000);
+ //hook_guest_mem(&vm_info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
+
+
+ // TEMP
+ //add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
+
+ if (1) {
+ add_shadow_region_passthrough(&vm_info, 0xc7000, 0xc8000, (addr_t)Allocate_VMM_Pages(1));
+ if (add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, (addr_t)Allocate_VMM_Pages(40)) == -1) {
+ PrintBoth("Error adding shadow region\n");
+ }
+ } else {
+ add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
+ add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, 0xc8000);
+ }
+
+
+ //add_shadow_region_passthrough(&vm_info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192));
+ add_shadow_region_passthrough(&vm_info, 0x100000, 0x1000000, (addr_t)Allocate_VMM_Pages(4096));
+
+ // test - give linux accesss to PCI space - PAD
+ add_shadow_region_passthrough(&vm_info, 0xc0000000,0xffffffff,0xc0000000);
+
+
+ print_shadow_map(&(vm_info.mem_map));
+
+ hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
+ //hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
+
+
+ hook_io_port(&(vm_info.io_map), 0x400, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0x401, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_debug, NULL);
+ hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_Write_to_Serial, 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();
+
+
+#define GENERIC 1
+
+#if GENERIC
+ generic_port_range_type range[] = {
+ /*
+ {0x00, 0x07, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channels 0,1,2,3 (address, counter)
+ {0xc0, 0xc7, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channels 4,5,6,7 (address, counter)
+ {0x87, 0x87, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 0 page register
+ {0x83, 0x83, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 1 page register
+ {0x81, 0x81, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 2 page register
+ {0x82, 0x82, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 3 page register
+ {0x8f, 0x8f, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 4 page register
+ {0x8b, 0x8b, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 5 page register
+ {0x89, 0x89, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 6 page register
+ {0x8a, 0x8a, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 7 page register
+ {0x08, 0x0f, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
+ {0xd0, 0xde, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 misc registers
+ */
+ {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE},
+ {0x81, 0x8F, GENERIC_PRINT_AND_IGNORE},
+ {0xd0, 0xdf, GENERIC_PRINT_AND_IGNORE},
+
+
+ {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 1
+ {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
+ {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
+ {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
+ /*
+ {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
+ {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
+ {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
+ {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
+ */
+ {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
+ {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
+ {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
+ {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
+ {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
+ {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
+
+ // {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
+
+ };
+
+ struct vm_device * generic = create_generic(range,13, // THIS NUMBER IS CRITICAL
+
+ NULL,0,NULL,0);
+
+#endif
+
+ attach_device(&(vm_info), nvram);
+ //attach_device(&(vm_info), timer);
+ attach_device(&(vm_info), pic);
+ attach_device(&(vm_info), pit);
+ attach_device(&(vm_info), keyboard);
- hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write);
- hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0x20, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0x21, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0xa0, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0xa1, &IO_Read, &IO_Write_to_Serial);
+#if GENERIC
+ // Important that this be attached last!
+ attach_device(&(vm_info), generic);
+
+#endif
+
+ PrintDebugDevMgr(&(vm_info.dev_mgr));
+ }
+
+ // 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
+ hook_irq(&vm_info, 6);
+
+
+ //primary ide
+ hook_irq(&vm_info, 14);
+
+ // secondary ide
+ hook_irq(&vm_info, 15);
+
+#endif
vm_info.rip = 0xfff0;
vm_info.vm_regs.rsp = 0x0;
}
+
PrintBoth("Initializing Guest (eip=0x%.8x) (esp=0x%.8x)\n", (uint_t)vm_info.rip,(uint_t)vm_info.vm_regs.rsp);
(vmm_ops).init_guest(&vm_info);
PrintBoth("Starting Guest\n");
+ //Clear_Screen();
(vmm_ops).start_guest(&vm_info);
return 0;
-
}
