Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


da04444e4f1b7111bdd8ce306b96495840405350
[palacios.git] / geekos / src / geekos / vm.c
1 /*
2  * This file is part of the Palacios Virtual Machine Monitor developed
3  * by the V3VEE Project with funding from the United States National 
4  * Science Foundation and the Department of Energy.  
5  *
6  * The V3VEE Project is a joint project between Northwestern University
7  * and the University of New Mexico.  You can find out more at 
8  * http://www.v3vee.org
9  *
10  * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
11  * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
12  * All rights reserved.
13  *
14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
15  *
16  * This is free software.  You are permitted to use,
17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
18  */
19
20
21
22 #include <geekos/vmm_stubs.h>
23
24 #include <geekos/debug.h>
25 #include <geekos/serial.h>
26 #include <geekos/vm.h>
27 #include <geekos/screen.h>
28
29 #include <palacios/vmm.h>
30 #include <palacios/vmm_io.h>
31
32
33 #define MAGIC_CODE 0xf1e2d3c4
34
35
36 struct layout_region {
37   ulong_t length;
38   ulong_t final_addr;
39 };
40
41 struct guest_mem_layout {
42   ulong_t magic;
43   ulong_t num_regions;
44   struct layout_region regions[0];
45 };
46
47
48
49 extern void * g_ramdiskImage;
50 extern ulong_t s_ramdiskSize;
51
52
53 int RunVMM(struct Boot_Info * bootInfo) {
54   struct v3_os_hooks os_hooks;
55   struct v3_ctrl_ops v3_ops;
56   struct guest_info * vm_info = 0;
57   struct v3_vm_config vm_config;
58   void * region_start;
59
60   memset(&os_hooks, 0, sizeof(struct v3_os_hooks));
61   memset(&v3_ops, 0, sizeof(struct v3_ctrl_ops));
62   memset(&vm_config, 0, sizeof(struct v3_vm_config));
63
64   
65   os_hooks.print_debug = &SerialPrint;
66   os_hooks.print_info = &Print;
67   os_hooks.print_trace = &SerialPrint;
68   os_hooks.allocate_pages = &Allocate_VMM_Pages;
69   os_hooks.free_page = &Free_VMM_Page;
70   os_hooks.malloc = &VMM_Malloc;
71   os_hooks.free = &VMM_Free;
72   os_hooks.vaddr_to_paddr = &Identity;
73   os_hooks.paddr_to_vaddr = &Identity;
74   os_hooks.hook_interrupt = &geekos_hook_interrupt;
75   os_hooks.ack_irq = &ack_irq;
76   os_hooks.get_cpu_khz = &get_cpu_khz;
77
78
79   
80   Init_V3(&os_hooks, &v3_ops);
81
82
83   extern char _binary___palacios_vm_kernel_start;
84   PrintBoth(" Guest Load Addr: 0x%x\n", &_binary___palacios_vm_kernel_start);
85
86   struct guest_mem_layout * layout = (struct guest_mem_layout *)&_binary___palacios_vm_kernel_start;
87
88   if (layout->magic != MAGIC_CODE) {
89     
90     PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic);
91     return -1;
92   }
93   
94   PrintBoth("%d layout regions\n", layout->num_regions);
95   
96   region_start = (void *)&(layout->regions[layout->num_regions]);
97   
98   PrintBoth("region start = 0x%x\n", region_start);
99   
100
101   {
102     struct layout_region * rombios = &(layout->regions[0]);
103     struct layout_region * vgabios = &(layout->regions[1]);    
104     
105     vm_config.rombios = region_start;
106     vm_config.rombios_size = rombios->length;
107     
108     region_start += rombios->length;
109
110 #ifdef PROFILE_VMM
111     vm_config.enable_profiling = 1;
112 #else
113     vm_config.enable_profiling = 0;
114 #endif
115
116     vm_config.vgabios = region_start;
117     vm_config.vgabios_size = vgabios->length;
118   }
119
120
121
122
123   if (g_ramdiskImage != NULL) {
124     vm_config.use_ramdisk = 1;
125     vm_config.ramdisk = g_ramdiskImage;
126     vm_config.ramdisk_size = s_ramdiskSize;
127   }
128
129
130
131   vm_info = (v3_ops).allocate_guest();
132
133   Init_Stubs(vm_info);
134
135   PrintBoth("Allocated Guest\n");
136
137   (v3_ops).config_guest(vm_info, &vm_config);
138
139   PrintBoth("Configured guest\n");
140
141   (v3_ops).init_guest(vm_info);
142   PrintBoth("Starting Guest\n");
143   //Clear_Screen();
144
145   (v3_ops).start_guest(vm_info);
146   
147     return 0;
148 }