#include <geekos/serial.h>
#include <geekos/vm.h>
#include <geekos/screen.h>
-#include <palacios/vmm_dev_mgr.h>
+
+#include <devices/generic.h>
#include <devices/nvram.h>
#include <devices/timer.h>
#include <devices/simple_pic.h>
#include <devices/8259a.h>
-#include <palacios/vmm_intr.h>
+#include <devices/8254.h>
+#include <devices/keyboard.h>
+#include <devices/serial.h>
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_time.h>
-#define SPEAKER_PORT 0x61
-
+//test decoder
+//#include <palacios/vmm_decoder.h>
+extern int parse();
+#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, void * priv_data) {
if (length != 1) {
char * bochs_debug_buf = NULL;
int bochs_debug_offset = 0;
+char * bochs_info_buf = NULL;
+int bochs_info_offset = 0;
+
int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
if (!bochs_debug_buf) {
bochs_debug_buf[bochs_debug_offset++] = *(char*)src;
if ((*(char*)src == 0xa) || (bochs_debug_offset == 1023)) {
- SerialPrint("BOCHS>%s", bochs_debug_buf);
+ SerialPrint("BOCHSDEBUG>%s", bochs_debug_buf);
memset(bochs_debug_buf, 0, 1024);
bochs_debug_offset = 0;
}
return length;
}
+int IO_BOCHS_info(ushort_t port, void * src, uint_t length, void * priv_data) {
+ if (!bochs_info_buf) {
+ bochs_info_buf = (char*)Malloc(1024);
+ }
+
+ bochs_info_buf[bochs_info_offset++] = *(char*)src;
+
+ if ((*(char*)src == 0xa) || (bochs_info_offset == 1023)) {
+ SerialPrint("BOCHSINFO>%s", bochs_info_buf);
+ memset(bochs_info_buf, 0, 1024);
+ bochs_info_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);
+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;
+
+
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.vaddr_to_paddr = &Identity;
os_hooks.paddr_to_vaddr = &Identity;
os_hooks.hook_interrupt = &hook_irq_stub;
+ os_hooks.hook_interrupt_new = &geekos_hook_interrupt_new;
os_hooks.ack_irq = &ack_irq;
-
- // DumpGDT();
+ os_hooks.get_cpu_khz = &get_cpu_khz;
+
+
+
Init_VMM(&os_hooks, &vmm_ops);
+
+ //test decoder
+ PrintBoth("testing decoder\n");
+ parse();
+ PrintBoth("testing decoder done\n");
+
+ /* 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) {
int i;
void * region_start;
-
- PrintDebug("Guest Size: %lu\n", bootInfo->guest_size);
+ extern char _binary_vm_kernel_start;
+ PrintBoth(" Guest Load Addr: 0x%x\n", &_binary_vm_kernel_start);
- struct guest_mem_layout * layout = (struct guest_mem_layout *)0x100000;
+ struct guest_mem_layout * layout = (struct guest_mem_layout *)&_binary_vm_kernel_start;
+ // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000);
+ //SerialMemDump((unsigned char *)(0x100000), 261 * 1024);
if (layout->magic != MAGIC_CODE) {
- PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic);
+
+ PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic);
+ return -1;
}
- 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, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
- add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000);
+ 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) {
- PrintDebug("Error adding shadow region\n");
+ PrintBoth("Error adding shadow region\n");
}
} else {
add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
}
+ //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);
+ hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_info, NULL);
+ hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_BOCHS_debug, NULL);
{
- //struct vm_device * nvram = create_nvram();
+
+ 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();
+ //struct vm_device * serial = create_serial();
+
+
+#define GENERIC 1
+
+#if GENERIC
+ generic_port_range_type range[] = {
+#if 1
+ {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 3
+ {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 4
+
+#if 0
+ {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
+#endif
+
+
+#if 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)
+
+#endif
- //attach_device(&(vm_info), nvram);
+ // {0x378, 0x400, GENERIC_PRINT_AND_IGNORE}
+
+ {0,0,0}, // sentinal - must be last
+
+ };
+
+
+ struct vm_device * generic = create_generic(range, NULL, NULL);
+
+#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);
+ // attach_device(&(vm_info), serial);
+
+
+#if GENERIC
+ // Important that this be attached last!
+ attach_device(&(vm_info), generic);
+
+#endif
PrintDebugDevMgr(&(vm_info.dev_mgr));
}
- hook_irq(&vm_info, 6);
- hook_irq(&vm_info, 14);
- hook_irq(&vm_info, 15);
+ // give keyboard interrupts to vm
+ // no longer needed since we have a keyboard device
+ //hook_irq(&vm_info, 1);
+
+#if 1
+ // give floppy controller to vm
+ hook_irq_for_guest_injection(&vm_info, 6);
+#endif
+
+#if 1
+ //primary ide
+ hook_irq_for_guest_injection(&vm_info, 14);
+
+ // secondary ide
+ hook_irq_for_guest_injection(&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");