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[palacios.git] / palacios / src / geekos / vm.c

diff --git a/palacios/src/geekos/vm.c b/palacios/src/geekos/vm.c
index aa3d7a1..300ac56 100644 (file)
--- a/palacios/src/geekos/vm.c
+++ b/palacios/src/geekos/vm.c
@@ -4,6 +4,13 @@
 #include <geekos/serial.h>
 #include <geekos/vm.h>
 #include <geekos/screen.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <devices/nvram.h>
+#include <devices/timer.h>
+#include <devices/simple_pic.h>
+#include <devices/8259a.h>
+#include <palacios/vmm_intr.h>
+
 
 #define SPEAKER_PORT 0x61
 
@@ -38,30 +45,26 @@ 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;
 }
 
 
@@ -158,6 +161,8 @@ 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));
@@ -171,8 +176,9 @@ 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;
+ 
     //   DumpGDT();
     Init_VMM(&os_hooks, &vmm_ops);
   
@@ -182,9 +188,11 @@ int RunVMM(struct Boot_Info * bootInfo) {
 
     vm_info.cpu_mode = REAL;
 
+    //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) {
       
@@ -262,28 +270,54 @@ int RunVMM(struct Boot_Info * bootInfo) {
        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");
+      
+
+      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");
+       }
+      } else {
+       add_shadow_region_passthrough(&vm_info, 0xc0000, 0xc8000, 0xc0000);
+       add_shadow_region_passthrough(&vm_info, 0xc8000, 0xf0000, 0xc8000);
       }
 
+
       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), 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), 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();
+
+       attach_device(&(vm_info), nvram);
+       //attach_device(&(vm_info), timer);
+       attach_device(&(vm_info), pic);
+
+       PrintDebugDevMgr(&(vm_info.dev_mgr));
+      }
+
+      hook_irq(&vm_info, 6);
+      hook_irq(&vm_info, 14);
+      hook_irq(&vm_info, 15);
+
       vm_info.rip = 0xfff0;
       vm_info.vm_regs.rsp = 0x0;
     }
@@ -295,5 +329,4 @@ int RunVMM(struct Boot_Info * bootInfo) {
     (vmm_ops).start_guest(&vm_info);
 
     return 0;
-
 }