20 |
vm_obj_t vm_obj; |
vm_obj_t vm_obj; |
21 |
struct vdevice *dev; |
struct vdevice *dev; |
22 |
char *filename; |
char *filename; |
23 |
|
int delete_file; |
24 |
}; |
}; |
25 |
|
|
26 |
/* Shutdown a RAM device */ |
/* Shutdown a RAM device */ |
32 |
free(d->dev); |
free(d->dev); |
33 |
|
|
34 |
/* Remove filename used to virtualize RAM */ |
/* Remove filename used to virtualize RAM */ |
35 |
if (d->filename) { |
if (d->filename && d->delete_file) { |
36 |
unlink(d->filename); |
unlink(d->filename); |
37 |
free(d->filename); |
free(d->filename); |
38 |
} |
} |
43 |
} |
} |
44 |
|
|
45 |
/* Initialize a RAM zone */ |
/* Initialize a RAM zone */ |
46 |
int dev_ram_init(vm_instance_t *vm,char *name,int use_mmap, |
int dev_ram_init(vm_instance_t *vm,char *name,int use_mmap,int delete_file, |
47 |
m_uint64_t paddr,m_uint32_t len) |
char *alternate_name,m_uint64_t paddr,m_uint32_t len) |
48 |
{ |
{ |
49 |
struct ram_data *d; |
struct ram_data *d; |
50 |
|
|
55 |
} |
} |
56 |
|
|
57 |
memset(d,0,sizeof(*d)); |
memset(d,0,sizeof(*d)); |
58 |
|
d->delete_file = delete_file; |
59 |
|
|
60 |
vm_object_init(&d->vm_obj); |
vm_object_init(&d->vm_obj); |
61 |
d->vm_obj.name = name; |
d->vm_obj.name = name; |
62 |
d->vm_obj.data = d; |
d->vm_obj.data = d; |
63 |
d->vm_obj.shutdown = (vm_shutdown_t)dev_ram_shutdown; |
d->vm_obj.shutdown = (vm_shutdown_t)dev_ram_shutdown; |
64 |
|
|
65 |
if (use_mmap && !(d->filename = vm_build_filename(vm,name))) { |
if (use_mmap) { |
66 |
fprintf(stderr,"RAM: unable to create filename.\n"); |
if (!alternate_name) |
67 |
goto err_filename; |
d->filename = vm_build_filename(vm,name); |
68 |
|
else |
69 |
|
d->filename = strdup(alternate_name); |
70 |
|
|
71 |
|
if (!d->filename) { |
72 |
|
fprintf(stderr,"RAM: unable to create filename.\n"); |
73 |
|
goto err_filename; |
74 |
|
} |
75 |
} |
} |
76 |
|
|
77 |
if (!(d->dev = dev_create_ram(vm,name,d->filename,paddr,len))) { |
if (!(d->dev = dev_create_ram(vm,name,d->filename,paddr,len))) { |
79 |
goto err_dev_create; |
goto err_dev_create; |
80 |
} |
} |
81 |
|
|
82 |
|
vm_object_add(vm,&d->vm_obj); |
83 |
|
return(0); |
84 |
|
|
85 |
|
err_dev_create: |
86 |
|
free(d->filename); |
87 |
|
err_filename: |
88 |
|
free(d); |
89 |
|
return(-1); |
90 |
|
} |
91 |
|
|
92 |
|
/* Initialize a ghosted RAM zone */ |
93 |
|
int dev_ram_ghost_init(vm_instance_t *vm,char *name,char *filename, |
94 |
|
m_uint64_t paddr,m_uint32_t len) |
95 |
|
{ |
96 |
|
struct ram_data *d; |
97 |
|
|
98 |
|
/* allocate the private data structure */ |
99 |
|
if (!filename || !(d = malloc(sizeof(*d)))) { |
100 |
|
fprintf(stderr,"RAM_ghost: unable to create device.\n"); |
101 |
|
return(-1); |
102 |
|
} |
103 |
|
|
104 |
|
memset(d,0,sizeof(*d)); |
105 |
|
d->delete_file = FALSE; |
106 |
|
|
107 |
|
if (!(d->filename = strdup(filename))) |
108 |
|
goto err_filename; |
109 |
|
|
110 |
|
vm_object_init(&d->vm_obj); |
111 |
|
d->vm_obj.name = name; |
112 |
|
d->vm_obj.data = d; |
113 |
|
d->vm_obj.shutdown = (vm_shutdown_t)dev_ram_shutdown; |
114 |
|
|
115 |
|
if (!(d->dev = dev_create_ghost_ram(vm,name,d->filename,paddr,len))) { |
116 |
|
fprintf(stderr,"RAM_ghost: unable to create device.\n"); |
117 |
|
goto err_dev_create; |
118 |
|
} |
119 |
|
|
120 |
vm_object_add(vm,&d->vm_obj); |
vm_object_add(vm,&d->vm_obj); |
121 |
return(0); |
return(0); |
122 |
|
|