1 #include <geekos/vmm_stubs.h>
2 #include <palacios/vmm.h>
3 #include <geekos/debug.h>
4 #include <geekos/serial.h>
6 #include <geekos/screen.h>
8 #include <devices/generic.h>
9 #include <devices/nvram.h>
10 #include <devices/timer.h>
11 #include <devices/simple_pic.h>
12 #include <devices/8259a.h>
13 #include <devices/8254.h>
14 #include <devices/keyboard.h>
15 #include <devices/serial.h>
17 #include <palacios/vmm_intr.h>
18 #include <palacios/vmm_dev_mgr.h>
19 #include <palacios/vmm_time.h>
22 //#include <palacios/vmm_decoder.h>
26 #define SPEAKER_PORT 0x61
28 static inline void VM_Out_Byte(ushort_t port, uchar_t value)
30 __asm__ __volatile__ (
33 : "a" (value), "Nd" (port)
38 * Read a byte from an I/O port.
40 static inline uchar_t VM_In_Byte(ushort_t port)
44 __asm__ __volatile__ (
56 int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
62 *(uchar_t*)dst = VM_In_Byte(port);
68 int IO_Write(ushort_t port, void * src, uint_t length, void * priv_data) {
74 VM_Out_Byte(port, *(uchar_t *)src);
80 int IO_Read_to_Serial(ushort_t port, void * dst, uint_t length, void * priv_data) {
81 PrintBoth("Input from Guest on port %d (0x%x) Length=%d\n", port, port, length);
87 char * bochs_debug_buf = NULL;
88 int bochs_debug_offset = 0;
90 char * bochs_info_buf = NULL;
91 int bochs_info_offset = 0;
94 int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
95 if (!bochs_debug_buf) {
96 bochs_debug_buf = (char*)Malloc(1024);
99 bochs_debug_buf[bochs_debug_offset++] = *(char*)src;
101 if ((*(char*)src == 0xa) || (bochs_debug_offset == 1023)) {
102 SerialPrint("BOCHSDEBUG>%s", bochs_debug_buf);
103 memset(bochs_debug_buf, 0, 1024);
104 bochs_debug_offset = 0;
110 int IO_BOCHS_info(ushort_t port, void * src, uint_t length, void * priv_data) {
111 if (!bochs_info_buf) {
112 bochs_info_buf = (char*)Malloc(1024);
115 bochs_info_buf[bochs_info_offset++] = *(char*)src;
117 if ((*(char*)src == 0xa) || (bochs_info_offset == 1023)) {
118 SerialPrint("BOCHSINFO>%s", bochs_info_buf);
119 memset(bochs_info_buf, 0, 1024);
120 bochs_info_offset = 0;
127 int IO_Write_to_Serial(ushort_t port, void * src, uint_t length, void * priv_data) {
128 SerialPrint("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
132 SerialPrint(">0x%.2x\n", *(char*)src);
135 SerialPrint(">0x%.4x\n", *(ushort_t*)src);
138 SerialPrint(">0x%.8x\n", *(uint_t*)src);
144 // SerialMemDump(src, length);
157 __asm__ __volatile__ (
163 PrintBoth("Starting To Buzz\n");
165 init=VM_In_Byte(SPEAKER_PORT);
168 VM_Out_Byte(SPEAKER_PORT, init|0x2);
169 for (j=0;j<1000000;j++) {
172 VM_Out_Byte(SPEAKER_PORT, init);
173 for (j=0;j<1000000;j++) {
181 int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
182 memcpy(dst, (void*)guest_addr, length);
186 int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
187 memcpy((void*)guest_addr, src, length);
193 /* We need a configuration mechanism, so we can wrap this completely inside the VMM code,
194 * with no pollution into the HOST OS
197 int RunVMM(struct Boot_Info * bootInfo) {
199 struct vmm_os_hooks os_hooks;
200 struct vmm_ctrl_ops vmm_ops;
201 struct guest_info vm_info;
209 memset(&os_hooks, 0, sizeof(struct vmm_os_hooks));
210 memset(&vmm_ops, 0, sizeof(struct vmm_ctrl_ops));
211 memset(&vm_info, 0, sizeof(struct guest_info));
213 os_hooks.print_debug = &SerialPrint;
214 os_hooks.print_info = &Print;
215 os_hooks.print_trace = &SerialPrint;
216 os_hooks.allocate_pages = &Allocate_VMM_Pages;
217 os_hooks.free_page = &Free_VMM_Page;
218 os_hooks.malloc = &VMM_Malloc;
219 os_hooks.free = &VMM_Free;
220 os_hooks.vaddr_to_paddr = &Identity;
221 os_hooks.paddr_to_vaddr = &Identity;
222 os_hooks.hook_interrupt = &hook_irq_stub;
223 os_hooks.hook_interrupt_new = &geekos_hook_interrupt_new;
224 os_hooks.ack_irq = &ack_irq;
225 os_hooks.get_cpu_khz = &get_cpu_khz;
229 Init_VMM(&os_hooks, &vmm_ops);
232 PrintBoth("testing decoder\n");
234 PrintBoth("testing decoder done\n");
237 /* MOVE THIS TO AN INIT GUEST ROUTINE */
240 v3_init_time(&(vm_info.time_state));
241 init_shadow_map(&(vm_info.mem_map));
243 if ((vmm_ops).has_nested_paging()) {
244 vm_info.shdw_pg_mode = NESTED_PAGING;
246 init_shadow_page_state(&(vm_info.shdw_pg_state));
247 vm_info.shdw_pg_mode = SHADOW_PAGING;
250 vm_info.cpu_mode = REAL;
251 vm_info.mem_mode = PHYSICAL_MEM;
253 //init_irq_map(&(vm_info.irq_map));
254 init_vmm_io_map(&(vm_info.io_map));
255 init_interrupt_state(&vm_info);
257 dev_mgr_init(&(vm_info.dev_mgr));
262 // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
263 // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
265 rip = (ulong_t)(void*)&BuzzVM;
267 // rip = (addr_t)(void*)&exit_test;
270 rsp = (addr_t)Alloc_Page();
272 vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
276 //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000);
277 // add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0);
280 shadow_region_t *ent = Malloc(sizeof(shadow_region_t));;
281 init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY,
282 0x100000, HOST_REGION_PHYSICAL_MEMORY);
283 add_shadow_region(&(vm_info.mem_map),ent);
286 add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
288 hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
289 hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
293 vm_info.cs.base=0xf000;
294 vm_info.cs.limit=0xffff;
296 //vm_info.rip = 0xfff0;
299 vm_info.vm_regs.rsp = 0x0;
304 extern char _binary_vm_kernel_start;
305 PrintBoth(" Guest Load Addr: 0x%x\n", &_binary_vm_kernel_start);
307 struct guest_mem_layout * layout = (struct guest_mem_layout *)&_binary_vm_kernel_start;
309 // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
310 //SerialMemDump((unsigned char *)(0x100000), 261 * 1024);
311 if (layout->magic != MAGIC_CODE) {
313 PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic);
317 PrintBoth("%d layout regions\n", layout->num_regions);
319 region_start = (void *)&(layout->regions[layout->num_regions]);
321 PrintBoth("region start = 0x%x\n", region_start);
323 for (i = 0; i < layout->num_regions; i++) {
324 struct layout_region * reg = &(layout->regions[i]);
325 uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0);
326 void * guest_mem = Allocate_VMM_Pages(num_pages);
328 PrintBoth("Layout Region %d bytes\n", reg->length);
329 memcpy(guest_mem, region_start, reg->length);
331 SerialMemDump((unsigned char *)(guest_mem), 16);
333 add_shadow_region_passthrough(&vm_info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
335 PrintBoth("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem);
337 region_start += reg->length;
341 add_shadow_region_passthrough(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
343 add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000);
344 //hook_guest_mem(&vm_info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
348 //add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
351 add_shadow_region_passthrough(&vm_info, 0xc7000, 0xc8000, (addr_t)Allocate_VMM_Pages(1));
352 if (add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, (addr_t)Allocate_VMM_Pages(40)) == -1) {
353 PrintBoth("Error adding shadow region\n");
356 add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
357 add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, 0xc8000);
361 //add_shadow_region_passthrough(&vm_info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192));
362 add_shadow_region_passthrough(&vm_info, 0x100000, 0x1000000, (addr_t)Allocate_VMM_Pages(4096));
364 add_shadow_region_passthrough(&vm_info, 0x1000000, 0x8000000, (addr_t)Allocate_VMM_Pages(32768));
366 // test - give linux accesss to PCI space - PAD
367 add_shadow_region_passthrough(&vm_info, 0xc0000000,0xffffffff,0xc0000000);
370 print_shadow_map(&(vm_info.mem_map));
372 hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
373 //hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
376 hook_io_port(&(vm_info.io_map), 0x400, &IO_Read, &IO_Write_to_Serial, NULL);
377 hook_io_port(&(vm_info.io_map), 0x401, &IO_Read, &IO_Write_to_Serial, NULL);
378 hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_info, NULL);
379 hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_BOCHS_debug, NULL);
383 struct vm_device * nvram = create_nvram();
384 //struct vm_device * timer = create_timer();
385 struct vm_device * pic = create_pic();
386 struct vm_device * keyboard = create_keyboard();
387 struct vm_device * pit = create_pit();
388 //struct vm_device * serial = create_serial();
394 generic_port_range_type range[] = {
396 {0x00, 0x07, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channels 0,1,2,3 (address, counter)
397 {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channels 4,5,6,7 (address, counter)
398 {0x87, 0x87, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 0 page register
399 {0x83, 0x83, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 1 page register
400 {0x81, 0x81, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 2 page register
401 {0x82, 0x82, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 3 page register
402 {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 4 page register
403 {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 5 page register
404 {0x89, 0x89, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 6 page register
405 {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 7 page register
406 {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE}, // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
407 {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE}, // DMA 2 misc registers
411 {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 1
412 {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
413 {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 3
414 {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 4
417 {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
418 {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
419 {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
420 {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
425 {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR)
426 {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data)
427 {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR)
428 {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR)
429 {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data)
430 {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR)
434 // {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
436 {0,0,0}, // sentinal - must be last
441 struct vm_device * generic = create_generic(range, NULL, NULL);
445 attach_device(&(vm_info), nvram);
446 //attach_device(&(vm_info), timer);
447 attach_device(&(vm_info), pic);
448 attach_device(&(vm_info), pit);
449 attach_device(&(vm_info), keyboard);
450 // attach_device(&(vm_info), serial);
454 // Important that this be attached last!
455 attach_device(&(vm_info), generic);
459 PrintDebugDevMgr(&(vm_info.dev_mgr));
462 // give keyboard interrupts to vm
463 // no longer needed since we have a keyboard device
464 //hook_irq(&vm_info, 1);
467 // give floppy controller to vm
468 hook_irq_for_guest_injection(&vm_info, 6);
473 hook_irq_for_guest_injection(&vm_info, 14);
476 hook_irq_for_guest_injection(&vm_info, 15);
480 vm_info.rip = 0xfff0;
481 vm_info.vm_regs.rsp = 0x0;
485 PrintBoth("Initializing Guest (eip=0x%.8x) (esp=0x%.8x)\n", (uint_t)vm_info.rip,(uint_t)vm_info.vm_regs.rsp);
486 (vmm_ops).init_guest(&vm_info);
487 PrintBoth("Starting Guest\n");
489 (vmm_ops).start_guest(&vm_info);