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
|
/*
* PS3 bootwrapper support.
*
* Copyright (C) 2007 Sony Computer Entertainment Inc.
* Copyright 2007 Sony Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stddef.h>
#include "types.h"
#include "elf.h"
#include "string.h"
#include "stdio.h"
#include "page.h"
#include "ops.h"
extern s64 lv1_panic(u64 in_1);
extern s64 lv1_get_logical_partition_id(u64 *out_1);
extern s64 lv1_get_logical_ppe_id(u64 *out_1);
extern s64 lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3,
u64 in_4, u64 in_5, u64 *out_1, u64 *out_2);
#ifdef DEBUG
#define DBG(fmt...) printf(fmt)
#else
static inline int __attribute__ ((format (printf, 1, 2))) DBG(
const char *fmt, ...) {return 0;}
#endif
BSS_STACK(4096);
/* A buffer that may be edited by tools operating on a zImage binary so as to
* edit the command line passed to vmlinux (by setting /chosen/bootargs).
* The buffer is put in it's own section so that tools may locate it easier.
*/
static char cmdline[COMMAND_LINE_SIZE]
__attribute__((__section__("__builtin_cmdline")));
static void prep_cmdline(void *chosen)
{
if (cmdline[0] == '\0')
getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
else
setprop_str(chosen, "bootargs", cmdline);
printf("cmdline: '%s'\n", cmdline);
}
static void ps3_console_write(const char *buf, int len)
{
}
static void ps3_exit(void)
{
printf("ps3_exit\n");
/* lv1_panic will shutdown the lpar. */
lv1_panic(0); /* zero = do not reboot */
while (1);
}
static int ps3_repository_read_rm_size(u64 *rm_size)
{
s64 result;
u64 lpar_id;
u64 ppe_id;
u64 v2;
result = lv1_get_logical_partition_id(&lpar_id);
if (result)
return -1;
result = lv1_get_logical_ppe_id(&ppe_id);
if (result)
return -1;
/*
* n1: 0000000062690000 : ....bi..
* n2: 7075000000000000 : pu......
* n3: 0000000000000001 : ........
* n4: 726d5f73697a6500 : rm_size.
*/
result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL,
0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size,
&v2);
printf("%s:%d: ppe_id %lu \n", __func__, __LINE__,
(unsigned long)ppe_id);
printf("%s:%d: lpar_id %lu \n", __func__, __LINE__,
(unsigned long)lpar_id);
printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size);
return result ? -1 : 0;
}
void ps3_copy_vectors(void)
{
extern char __system_reset_kernel[];
memcpy((void *)0x100, __system_reset_kernel, 0x100);
flush_cache((void *)0x100, 0x100);
}
void platform_init(void)
{
const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
void *chosen;
unsigned long ft_addr;
u64 rm_size;
console_ops.write = ps3_console_write;
platform_ops.exit = ps3_exit;
printf("\n-- PS3 bootwrapper --\n");
simple_alloc_init(_end, heapsize, 32, 64);
ft_init(_dtb_start, 0, 4);
chosen = finddevice("/chosen");
ps3_repository_read_rm_size(&rm_size);
dt_fixup_memory(0, rm_size);
if (_initrd_end > _initrd_start) {
setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start));
setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end));
}
prep_cmdline(chosen);
ft_addr = dt_ops.finalize();
ps3_copy_vectors();
printf(" flat tree at 0x%lx\n\r", ft_addr);
((kernel_entry_t)0)(ft_addr, 0, NULL);
ps3_exit();
}
|
