#include <geekos/vmm_stubs.h>
-#include <palacios/vmm.h>
+
#include <geekos/debug.h>
#include <geekos/serial.h>
+#include <geekos/vm.h>
+#include <geekos/screen.h>
-
-#define SPEAKER_PORT 0x61
+#include <palacios/vmm.h>
+#include <palacios/vmm_io.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;
+
+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 = (char*)Malloc(1024);
+ }
+
+ bochs_debug_buf[bochs_debug_offset++] = *(char*)src;
+
+ if ((*(char*)src == 0xa) || (bochs_debug_offset == 1023)) {
+ 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) {
- PrintBoth("Output from Guest on port %d (0x%x) Length=%d\n", port, port, 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(void * guest_addr, void * dst, uint_t length, void * priv_data) {
+ memcpy(dst, (void*)guest_addr, length);
+ return length;
+}
+int passthrough_mem_write(void * 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) {
+ void * config_data;
- struct vmm_os_hooks os_hooks;
- struct vmm_ctrl_ops vmm_ops;
- struct guest_info vm_info;
- 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_info = &Print;
- os_hooks.print_trace = &SerialPrint;
- os_hooks.allocate_pages = &Allocate_VMM_Pages;
- os_hooks.free_page = &Free_VMM_Page;
- os_hooks.malloc = &VMM_Malloc;
- os_hooks.free = &VMM_Free;
- os_hooks.vaddr_to_paddr = &Identity;
- os_hooks.paddr_to_vaddr = &Identity;
-
-
- // DumpGDT();
- Init_VMM(&os_hooks, &vmm_ops);
+ struct vmm_os_hooks os_hooks;
+ struct vmm_ctrl_ops vmm_ops;
+ struct guest_info * vm_info = 0;
- init_shadow_map(&(vm_info.mem_map));
- init_shadow_page_state(&(vm_info.shdw_pg_state));
- vm_info.page_mode = SHADOW_PAGING;
- vm_info.cpu_mode = REAL;
- init_vmm_io_map(&(vm_info.io_map));
+
+ memset(&os_hooks, 0, sizeof(struct vmm_os_hooks));
+ memset(&vmm_ops, 0, sizeof(struct vmm_ctrl_ops));
-
- if (0) {
-
- // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000);
- // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0);
-
- rip = (ulong_t)(void*)&BuzzVM;
- // rip -= 0x10000;
- // rip = (addr_t)(void*)&exit_test;
- // rip -= 0x2000;
- vm_info.rip = rip;
- rsp = (addr_t)Alloc_Page();
-
- vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000;
-
-
- } else 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);
-
- 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);
-
- /*
- 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);
-
- PrintDebug("Guest Size: %lu\n", bootInfo->guest_size);
-
- memcpy((void *)(guest_mem + 0xf0000), (void *)0x100000, bootInfo->guest_size);
-
-
- SerialMemDump((unsigned char *)(guest_mem + 0xffff0), 16);
-
- 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);
-
- 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);
-
- vm_info.rip = 0xfff0;
- vm_info.vm_regs.rsp = 0x0;
- }
+
+ 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_page = &Free_VMM_Page;
+ os_hooks.malloc = &VMM_Malloc;
+ os_hooks.free = &VMM_Free;
+ os_hooks.vaddr_to_paddr = &Identity;
+ os_hooks.paddr_to_vaddr = &Identity;
+ os_hooks.hook_interrupt = &geekos_hook_interrupt_new;
+ os_hooks.ack_irq = &ack_irq;
+ os_hooks.get_cpu_khz = &get_cpu_khz;
- 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");
- (vmm_ops).start_guest(&vm_info);
- return 0;
+
+ Init_V3(&os_hooks, &vmm_ops);
+
+ extern char _binary_vm_kernel_start;
+ PrintBoth(" Guest Load Addr: 0x%x\n", &_binary_vm_kernel_start);
+
+ config_data = &_binary_vm_kernel_start;
+
+ vm_info = (vmm_ops).allocate_guest();
+
+ PrintBoth("Allocated Guest\n");
+
+ (vmm_ops).config_guest(vm_info, config_data);
+ PrintBoth("Configured guest\n");
+
+ v3_hook_io_port(vm_info, 0x61, &IO_Read, &IO_Write, NULL);
+ //v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
+
+
+ v3_hook_io_port(vm_info, 0x400, &IO_Read, &IO_Write_to_Serial, NULL);
+ v3_hook_io_port(vm_info, 0x401, &IO_Read, &IO_Write_to_Serial, NULL);
+ v3_hook_io_port(vm_info, 0x402, &IO_Read, &IO_BOCHS_info, NULL);
+ v3_hook_io_port(vm_info, 0x403, &IO_Read, &IO_BOCHS_debug, NULL);
+
+
+ (vmm_ops).init_guest(vm_info);
+ PrintBoth("Starting Guest\n");
+ //Clear_Screen();
+ (vmm_ops).start_guest(vm_info);
+
+ return 0;
}
