1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* Xen domain builder -- ia64 bits.
*
* Most architecture-specific code for ia64 goes here.
* - fill architecture-specific structs.
*
* This code is licenced under the GPL.
* written 2006 by Gerd Hoffmann <kraxel@suse.de>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <xen/xen.h>
#include <xen/foreign/ia64.h>
#include "xg_private.h"
#include "xc_dom.h"
#include "xenctrl.h"
/* ------------------------------------------------------------------------ */
static int alloc_magic_pages(struct xc_dom_image *dom)
{
/* allocate special pages */
dom->console_pfn = dom->total_pages -1;
dom->xenstore_pfn = dom->total_pages -2;
dom->start_info_pfn = dom->total_pages -3;
return 0;
}
static int start_info_ia64(struct xc_dom_image *dom)
{
start_info_ia64_t *start_info =
xc_dom_pfn_to_ptr(dom, dom->start_info_pfn, 1);
struct xen_ia64_boot_param_ia64 *bp =
(struct xen_ia64_boot_param_ia64 *)(start_info + 1);
xc_dom_printf("%s\n", __FUNCTION__);
memset(start_info, 0, sizeof(*start_info));
sprintf(start_info->magic, dom->guest_type);
start_info->flags = dom->flags;
start_info->nr_pages = dom->total_pages;
start_info->store_mfn = dom->xenstore_pfn;
start_info->store_evtchn = dom->xenstore_evtchn;
start_info->console.domU.mfn = dom->console_pfn;
start_info->console.domU.evtchn = dom->console_evtchn;
if ( dom->ramdisk_blob )
{
start_info->mod_start = dom->ramdisk_seg.vstart;
start_info->mod_len = dom->ramdisk_seg.vend - dom->ramdisk_seg.vstart;
bp->initrd_start = start_info->mod_start;
bp->initrd_size = start_info->mod_len;
}
bp->command_line = (dom->start_info_pfn << PAGE_SHIFT_IA64)
+ offsetof(start_info_t, cmd_line);
if ( dom->cmdline )
{
strncpy((char *)start_info->cmd_line, dom->cmdline, MAX_GUEST_CMDLINE);
start_info->cmd_line[MAX_GUEST_CMDLINE - 1] = '\0';
}
return 0;
}
static int shared_info_ia64(struct xc_dom_image *dom, void *ptr)
{
shared_info_ia64_t *shared_info = ptr;
int i;
xc_dom_printf("%s: called\n", __FUNCTION__);
memset(shared_info, 0, sizeof(*shared_info));
for (i = 0; i < MAX_VIRT_CPUS; i++)
shared_info->vcpu_info[i].evtchn_upcall_mask = 1;
shared_info->arch.start_info_pfn = dom->start_info_pfn;
return 0;
}
extern unsigned long xc_ia64_fpsr_default(void);
static int vcpu_ia64(struct xc_dom_image *dom, void *ptr)
{
vcpu_guest_context_ia64_t *ctxt = ptr;
xc_dom_printf("%s: called\n", __FUNCTION__);
/* clear everything */
memset(ctxt, 0, sizeof(*ctxt));
ctxt->flags = 0;
ctxt->user_regs.cr_ipsr = 0; /* all necessary bits filled by hypervisor */
ctxt->user_regs.cr_iip = dom->parms.virt_entry;
ctxt->user_regs.cr_ifs = (uint64_t) 1 << 63;
#ifdef __ia64__ /* FIXME */
ctxt->user_regs.ar_fpsr = xc_ia64_fpsr_default();
#endif
ctxt->user_regs.r28 = (dom->start_info_pfn << PAGE_SHIFT_IA64)
+ sizeof(start_info_ia64_t);
return 0;
}
/* ------------------------------------------------------------------------ */
static struct xc_dom_arch xc_dom_arch = {
.guest_type = "xen-3.0-ia64",
.page_shift = PAGE_SHIFT_IA64,
.alloc_magic_pages = alloc_magic_pages,
.start_info = start_info_ia64,
.shared_info = shared_info_ia64,
.vcpu = vcpu_ia64,
};
static struct xc_dom_arch xc_dom_arch_ia64be = {
.guest_type = "xen-3.0-ia64be",
.page_shift = PAGE_SHIFT_IA64,
.alloc_magic_pages = alloc_magic_pages,
.start_info = start_info_ia64,
.shared_info = shared_info_ia64,
.vcpu = vcpu_ia64,
};
static void __init register_arch_hooks(void)
{
xc_dom_register_arch_hooks(&xc_dom_arch);
xc_dom_register_arch_hooks(&xc_dom_arch_ia64be);
}
int arch_setup_meminit(struct xc_dom_image *dom)
{
xen_pfn_t pfn;
int rc;
/* setup initial p2m */
dom->p2m_host = xc_dom_malloc(dom, sizeof(xen_pfn_t) * dom->total_pages);
for ( pfn = 0; pfn < dom->total_pages; pfn++ )
dom->p2m_host[pfn] = pfn;
/* allocate guest memory */
rc = xc_domain_memory_populate_physmap(dom->guest_xc, dom->guest_domid,
dom->total_pages, 0, 0,
dom->p2m_host);
return rc;
}
int arch_setup_bootearly(struct xc_dom_image *dom)
{
DECLARE_DOMCTL;
int rc;
xc_dom_printf("%s: setup firmware\n", __FUNCTION__);
memset(&domctl, 0, sizeof(domctl));
domctl.cmd = XEN_DOMCTL_arch_setup;
domctl.domain = dom->guest_domid;
domctl.u.arch_setup.flags = 0;
domctl.u.arch_setup.bp = (dom->start_info_pfn << PAGE_SHIFT)
+ sizeof(start_info_t);
/* 3 = start info page, xenstore page and console page */
domctl.u.arch_setup.maxmem = (dom->total_pages - 3) << PAGE_SHIFT;
rc = do_domctl(dom->guest_xc, &domctl);
return rc;
}
int arch_setup_bootlate(struct xc_dom_image *dom)
{
unsigned int page_size = XC_DOM_PAGE_SIZE(dom);
shared_info_t *shared_info;
/* setup shared_info page */
xc_dom_printf("%s: shared_info: mfn 0x%" PRIpfn "\n",
__FUNCTION__, dom->shared_info_mfn);
shared_info = xc_map_foreign_range(dom->guest_xc, dom->guest_domid,
page_size,
PROT_READ | PROT_WRITE,
dom->shared_info_mfn);
if ( shared_info == NULL )
return -1;
dom->arch_hooks->shared_info(dom, shared_info);
munmap(shared_info, page_size);
return 0;
}
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
|
