Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 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 | |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 30 | extern int lv1_panic(u64 in_1); |
| 31 | extern int lv1_get_logical_partition_id(u64 *out_1); |
| 32 | extern int lv1_get_logical_ppe_id(u64 *out_1); |
| 33 | extern int lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3, |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 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 |
| 39 | static inline int __attribute__ ((format (printf, 1, 2))) DBG( |
| 40 | const char *fmt, ...) {return 0;} |
| 41 | #endif |
| 42 | |
| 43 | BSS_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 | */ |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 49 | |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 50 | static char cmdline[COMMAND_LINE_SIZE] |
| 51 | __attribute__((__section__("__builtin_cmdline"))); |
| 52 | |
| 53 | static void prep_cmdline(void *chosen) |
| 54 | { |
| 55 | if (cmdline[0] == '\0') |
| 56 | getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1); |
| 57 | else |
| 58 | setprop_str(chosen, "bootargs", cmdline); |
| 59 | |
| 60 | printf("cmdline: '%s'\n", cmdline); |
| 61 | } |
| 62 | |
| 63 | static void ps3_console_write(const char *buf, int len) |
| 64 | { |
| 65 | } |
| 66 | |
| 67 | static 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 | |
| 77 | static int ps3_repository_read_rm_size(u64 *rm_size) |
| 78 | { |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 79 | int result; |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 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 | |
| 114 | void ps3_copy_vectors(void) |
| 115 | { |
| 116 | extern char __system_reset_kernel[]; |
| 117 | |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 118 | memcpy((void *)0x100, __system_reset_kernel, 512); |
| 119 | flush_cache((void *)0x100, 512); |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 120 | } |
| 121 | |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 122 | void platform_init(unsigned long null_check) |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 123 | { |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 124 | const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */ |
| 125 | void *chosen; |
| 126 | unsigned long ft_addr; |
| 127 | u64 rm_size; |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 128 | unsigned long val; |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 129 | |
| 130 | console_ops.write = ps3_console_write; |
| 131 | platform_ops.exit = ps3_exit; |
| 132 | |
| 133 | printf("\n-- PS3 bootwrapper --\n"); |
| 134 | |
| 135 | simple_alloc_init(_end, heapsize, 32, 64); |
David Gibson | 2f0dfea | 2007-12-10 14:28:39 +1100 | [diff] [blame] | 136 | fdt_init(_dtb_start); |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 137 | |
| 138 | chosen = finddevice("/chosen"); |
| 139 | |
| 140 | ps3_repository_read_rm_size(&rm_size); |
| 141 | dt_fixup_memory(0, rm_size); |
| 142 | |
| 143 | if (_initrd_end > _initrd_start) { |
| 144 | setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start)); |
| 145 | setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end)); |
| 146 | } |
| 147 | |
| 148 | prep_cmdline(chosen); |
| 149 | |
| 150 | ft_addr = dt_ops.finalize(); |
| 151 | |
| 152 | ps3_copy_vectors(); |
| 153 | |
| 154 | printf(" flat tree at 0x%lx\n\r", ft_addr); |
| 155 | |
Geoff Levand | 5761eaa | 2008-03-28 07:41:45 +1100 | [diff] [blame] | 156 | val = *(unsigned long *)0; |
| 157 | |
| 158 | if (val != null_check) |
| 159 | printf("null check failed: %lx != %lx\n\r", val, null_check); |
| 160 | |
Geoff Levand | bafdb64 | 2007-07-04 09:07:18 +1000 | [diff] [blame] | 161 | ((kernel_entry_t)0)(ft_addr, 0, NULL); |
| 162 | |
| 163 | ps3_exit(); |
| 164 | } |