X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fvm.c;h=358287eba6ff918d73ad758a2e1c7ee55fdfa157;hb=fa7a42a55338e5fa49ec760b367225ca752df4fd;hp=aa3d7a167b5cd7e6efe753a12b719dc2d2649634;hpb=dc87c976e1423a304f7d4c8848c85874c58e05b5;p=palacios.git diff --git a/palacios/src/geekos/vm.c b/palacios/src/geekos/vm.c index aa3d7a1..358287e 100644 --- a/palacios/src/geekos/vm.c +++ b/palacios/src/geekos/vm.c @@ -5,12 +5,21 @@ #include #include -#define SPEAKER_PORT 0x61 - - +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#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" @@ -22,7 +31,7 @@ inline void VM_Out_Byte(ushort_t port, uchar_t value) /* * 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; @@ -37,31 +46,28 @@ inline uchar_t VM_In_Byte(ushort_t port) + int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) { - uchar_t * iter = dst; - uint_t i; - for (i = 0; i < length; i++) { - *iter = VM_In_Byte(port); - iter++; + 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, void * priv_data) { - uchar_t * iter = src; - uint_t i; - - 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; } @@ -147,9 +153,22 @@ void BuzzVM() +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; @@ -158,6 +177,8 @@ int RunVMM(struct Boot_Info * bootInfo) { 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)); @@ -171,20 +192,35 @@ int RunVMM(struct Boot_Info * bootInfo) { 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.intr_state)); + init_interrupt_state(&vm_info); + dev_mgr_init(&(vm_info.dev_mgr)); + /* ** */ if (0) { @@ -231,63 +267,169 @@ int RunVMM(struct Boot_Info * bootInfo) { void * region_start; - PrintDebug("Guest Size: %lu\n", bootInfo->guest_size); + PrintBoth("Guest Size: %lu\n", bootInfo->guest_size); struct guest_mem_layout * layout = (struct guest_mem_layout *)0x100000; if (layout->magic != MAGIC_CODE) { - PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic); + PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic); } - PrintDebug("%d layout regions\n", layout->num_regions); + PrintBoth("%d layout regions\n", layout->num_regions); region_start = (void *)&(layout->regions[layout->num_regions]); - PrintDebug("region start = 0x%x\n", region_start); + PrintBoth("region start = 0x%x\n", region_start); 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); - PrintDebug("Layout Region %d bytes\n", reg->length); + PrintBoth("Layout Region %d bytes\n", reg->length); memcpy(guest_mem, region_start, reg->length); SerialMemDump((unsigned char *)(guest_mem), 16); add_shadow_region_passthrough(&vm_info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem); - PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem); + 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, 0xc0000, 0xc8000, 0xc0000); + // add_shadow_region_passthrough(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160)); + add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000); - if (add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, (addr_t)Allocate_VMM_Pages(40)) == -1) { - PrintDebug("Error adding shadow region\n"); + //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), 0x05, &IO_Read, &IO_Write_to_Serial, NULL); - hook_io_port(&(vm_info.io_map), 0x20, &IO_Read, &IO_Write_to_Serial, NULL); - hook_io_port(&(vm_info.io_map), 0x21, &IO_Read, &IO_Write_to_Serial, NULL); - hook_io_port(&(vm_info.io_map), 0xa0, &IO_Read, &IO_Write_to_Serial, NULL); - hook_io_port(&(vm_info.io_map), 0xa1, &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[] = { +#if 0 + {0x00, 0x07, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channels 0,1,2,3 (address, counter) + {0xc0, 0xc7, GENERIC_PRINT_AND_ +IGNORE}, // DMA 2 channels 4,5,6,7 (address, counter) + {0x87, 0x87, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 0 page register + {0x83, 0x83, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 1 page register + {0x81, 0x81, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 2 page register + {0x82, 0x82, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 3 page register + {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 4 page register + {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 5 page register + {0x89, 0x89, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 6 page register + {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 7 page register + {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE}, // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask) + {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE}, // DMA 2 misc registers +#endif + + {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,10, // 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); + + +#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); +#endif + + //primary ide + hook_irq(&vm_info, 14); + + // secondary ide + hook_irq(&vm_info, 15); + + + 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"); @@ -295,5 +437,4 @@ int RunVMM(struct Boot_Info * bootInfo) { (vmm_ops).start_guest(&vm_info); return 0; - }