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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * PS3 bootwrapper support.
4 *
5 * Copyright (C) 2007 Sony Computer Entertainment Inc.
6 * Copyright 2007 Sony Corp.
7 */
8
9#include <stdarg.h>
10#include <stddef.h>
11#include "types.h"
12#include "elf.h"
13#include "string.h"
14#include "stdio.h"
15#include "page.h"
16#include "ops.h"
17
18extern int lv1_panic(u64 in_1);
19extern int lv1_get_logical_partition_id(u64 *out_1);
20extern int lv1_get_logical_ppe_id(u64 *out_1);
21extern int lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3,
22 u64 in_4, u64 in_5, u64 *out_1, u64 *out_2);
23
24BSS_STACK(4096);
25
26/* A buffer that may be edited by tools operating on a zImage binary so as to
27 * edit the command line passed to vmlinux (by setting /chosen/bootargs).
28 * The buffer is put in it's own section so that tools may locate it easier.
29 */
30
31static char cmdline[BOOT_COMMAND_LINE_SIZE]
32 __attribute__((__section__("__builtin_cmdline")));
33
34static void prep_cmdline(void *chosen)
35{
36 if (cmdline[0] == '\0')
37 getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
38 else
39 setprop_str(chosen, "bootargs", cmdline);
40
41 printf("cmdline: '%s'\n", cmdline);
42}
43
44static void ps3_console_write(const char *buf, int len)
45{
46}
47
48static void ps3_exit(void)
49{
50 printf("ps3_exit\n");
51
52 /* lv1_panic will shutdown the lpar. */
53
54 lv1_panic(0); /* zero = do not reboot */
55 while (1);
56}
57
58static int ps3_repository_read_rm_size(u64 *rm_size)
59{
60 int result;
61 u64 lpar_id;
62 u64 ppe_id;
63 u64 v2;
64
65 result = lv1_get_logical_partition_id(&lpar_id);
66
67 if (result)
68 return -1;
69
70 result = lv1_get_logical_ppe_id(&ppe_id);
71
72 if (result)
73 return -1;
74
75 /*
76 * n1: 0000000062690000 : ....bi..
77 * n2: 7075000000000000 : pu......
78 * n3: 0000000000000001 : ........
79 * n4: 726d5f73697a6500 : rm_size.
80 */
81
82 result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL,
83 0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size,
84 &v2);
85
86 printf("%s:%d: ppe_id %lu \n", __func__, __LINE__,
87 (unsigned long)ppe_id);
88 printf("%s:%d: lpar_id %lu \n", __func__, __LINE__,
89 (unsigned long)lpar_id);
90 printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size);
91
92 return result ? -1 : 0;
93}
94
95void ps3_copy_vectors(void)
96{
97 extern char __system_reset_kernel[];
98
99 memcpy((void *)0x100, __system_reset_kernel, 512);
100 flush_cache((void *)0x100, 512);
101}
102
103void platform_init(void)
104{
105 const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
106 void *chosen;
107 unsigned long ft_addr;
108 u64 rm_size;
109
110 console_ops.write = ps3_console_write;
111 platform_ops.exit = ps3_exit;
112
113 printf("\n-- PS3 bootwrapper --\n");
114
115 simple_alloc_init(_end, heapsize, 32, 64);
116 fdt_init(_dtb_start);
117
118 chosen = finddevice("/chosen");
119
120 ps3_repository_read_rm_size(&rm_size);
121 dt_fixup_memory(0, rm_size);
122
123 if (&_initrd_end > &_initrd_start) {
124 setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start));
125 setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end));
126 }
127
128 prep_cmdline(chosen);
129
130 ft_addr = dt_ops.finalize();
131
132 ps3_copy_vectors();
133
134 printf(" flat tree at 0x%lx\n\r", ft_addr);
135
136 ((kernel_entry_t)0)(ft_addr, 0, NULL);
137
138 ps3_exit();
139}
1/*
2 * PS3 bootwrapper support.
3 *
4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
5 * Copyright 2007 Sony Corp.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <stdarg.h>
22#include <stddef.h>
23#include "types.h"
24#include "elf.h"
25#include "string.h"
26#include "stdio.h"
27#include "page.h"
28#include "ops.h"
29
30extern int lv1_panic(u64 in_1);
31extern int lv1_get_logical_partition_id(u64 *out_1);
32extern int lv1_get_logical_ppe_id(u64 *out_1);
33extern int lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3,
34 u64 in_4, u64 in_5, u64 *out_1, u64 *out_2);
35
36#ifdef DEBUG
37#define DBG(fmt...) printf(fmt)
38#else
39static inline int __attribute__ ((format (printf, 1, 2))) DBG(
40 const char *fmt, ...) {return 0;}
41#endif
42
43BSS_STACK(4096);
44
45/* A buffer that may be edited by tools operating on a zImage binary so as to
46 * edit the command line passed to vmlinux (by setting /chosen/bootargs).
47 * The buffer is put in it's own section so that tools may locate it easier.
48 */
49
50static char cmdline[BOOT_COMMAND_LINE_SIZE]
51 __attribute__((__section__("__builtin_cmdline")));
52
53static void prep_cmdline(void *chosen)
54{
55 if (cmdline[0] == '\0')
56 getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
57 else
58 setprop_str(chosen, "bootargs", cmdline);
59
60 printf("cmdline: '%s'\n", cmdline);
61}
62
63static void ps3_console_write(const char *buf, int len)
64{
65}
66
67static void ps3_exit(void)
68{
69 printf("ps3_exit\n");
70
71 /* lv1_panic will shutdown the lpar. */
72
73 lv1_panic(0); /* zero = do not reboot */
74 while (1);
75}
76
77static int ps3_repository_read_rm_size(u64 *rm_size)
78{
79 int result;
80 u64 lpar_id;
81 u64 ppe_id;
82 u64 v2;
83
84 result = lv1_get_logical_partition_id(&lpar_id);
85
86 if (result)
87 return -1;
88
89 result = lv1_get_logical_ppe_id(&ppe_id);
90
91 if (result)
92 return -1;
93
94 /*
95 * n1: 0000000062690000 : ....bi..
96 * n2: 7075000000000000 : pu......
97 * n3: 0000000000000001 : ........
98 * n4: 726d5f73697a6500 : rm_size.
99 */
100
101 result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL,
102 0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size,
103 &v2);
104
105 printf("%s:%d: ppe_id %lu \n", __func__, __LINE__,
106 (unsigned long)ppe_id);
107 printf("%s:%d: lpar_id %lu \n", __func__, __LINE__,
108 (unsigned long)lpar_id);
109 printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size);
110
111 return result ? -1 : 0;
112}
113
114void ps3_copy_vectors(void)
115{
116 extern char __system_reset_kernel[];
117
118 memcpy((void *)0x100, __system_reset_kernel, 512);
119 flush_cache((void *)0x100, 512);
120}
121
122void platform_init(void)
123{
124 const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
125 void *chosen;
126 unsigned long ft_addr;
127 u64 rm_size;
128
129 console_ops.write = ps3_console_write;
130 platform_ops.exit = ps3_exit;
131
132 printf("\n-- PS3 bootwrapper --\n");
133
134 simple_alloc_init(_end, heapsize, 32, 64);
135 fdt_init(_dtb_start);
136
137 chosen = finddevice("/chosen");
138
139 ps3_repository_read_rm_size(&rm_size);
140 dt_fixup_memory(0, rm_size);
141
142 if (_initrd_end > _initrd_start) {
143 setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start));
144 setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end));
145 }
146
147 prep_cmdline(chosen);
148
149 ft_addr = dt_ops.finalize();
150
151 ps3_copy_vectors();
152
153 printf(" flat tree at 0x%lx\n\r", ft_addr);
154
155 ((kernel_entry_t)0)(ft_addr, 0, NULL);
156
157 ps3_exit();
158}