BALATON Zoltan | 866fd2a | 2018-02-20 18:02:45 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #ifndef __ASSEMBLY__ |
| 25 | #define __ASSEMBLY__ /* Dirty trick to get only #defines */ |
| 26 | #endif |
| 27 | #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */ |
| 28 | #include <config.h> |
| 29 | #undef __ASSEMBLY__ |
| 30 | #include <environment.h> |
| 31 | |
| 32 | /* |
| 33 | * Handle HOSTS that have prepended |
| 34 | * crap on symbol names, not TARGETS. |
| 35 | */ |
| 36 | #if defined(__APPLE__) |
| 37 | /* Leading underscore on symbols */ |
| 38 | # define SYM_CHAR "_" |
| 39 | #else /* No leading character on symbols */ |
| 40 | # define SYM_CHAR |
| 41 | #endif |
| 42 | |
| 43 | /* |
| 44 | * Generate embedded environment table |
| 45 | * inside U-Boot image, if needed. |
| 46 | */ |
| 47 | #if defined(ENV_IS_EMBEDDED) |
| 48 | /* |
| 49 | * Only put the environment in it's own section when we are building |
| 50 | * U-Boot proper. The host based program "tools/envcrc" does not need |
| 51 | * a seperate section. Note that ENV_CRC is only defined when building |
| 52 | * U-Boot itself. |
| 53 | */ |
| 54 | #if (defined(CONFIG_SYS_USE_PPCENV) || defined(CONFIG_NAND_U_BOOT)) && \ |
| 55 | defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */ |
| 56 | /* XXX - This only works with GNU C */ |
| 57 | # define __PPCENV__ __attribute__ ((section(".ppcenv"))) |
| 58 | # define __PPCTEXT__ __attribute__ ((section(".text"))) |
| 59 | |
| 60 | #elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */ |
| 61 | # define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/ |
| 62 | # define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/ |
| 63 | |
| 64 | #else /* Environment is embedded in U-Boot's .text section */ |
| 65 | /* XXX - This only works with GNU C */ |
| 66 | # define __PPCENV__ __attribute__ ((section(".text"))) |
| 67 | # define __PPCTEXT__ __attribute__ ((section(".text"))) |
| 68 | #endif |
| 69 | |
| 70 | /* |
| 71 | * Macros to generate global absolutes. |
| 72 | */ |
| 73 | #if defined(__bfin__) |
| 74 | # define GEN_SET_VALUE(name, value) asm (".set " GEN_SYMNAME(name) ", " GEN_VALUE(value)) |
| 75 | #else |
| 76 | # define GEN_SET_VALUE(name, value) asm (GEN_SYMNAME(name) " = " GEN_VALUE(value)) |
| 77 | #endif |
| 78 | #define GEN_SYMNAME(str) SYM_CHAR #str |
| 79 | #define GEN_VALUE(str) #str |
| 80 | #define GEN_ABS(name, value) \ |
| 81 | asm (".globl " GEN_SYMNAME(name)); \ |
| 82 | GEN_SET_VALUE(name, value) |
| 83 | |
| 84 | /* |
| 85 | * Macros to transform values |
| 86 | * into environment strings. |
| 87 | */ |
| 88 | #define XMK_STR(x) #x |
| 89 | #define MK_STR(x) XMK_STR(x) |
| 90 | |
| 91 | /* |
| 92 | * Check to see if we are building with a |
| 93 | * computed CRC. Otherwise define it as ~0. |
| 94 | */ |
| 95 | #if !defined(ENV_CRC) |
| 96 | # define ENV_CRC ~0 |
| 97 | #endif |
| 98 | |
| 99 | env_t environment __PPCENV__ = { |
| 100 | ENV_CRC, /* CRC Sum */ |
| 101 | #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT |
| 102 | 1, /* Flags: valid */ |
| 103 | #endif |
| 104 | { |
| 105 | #if defined(CONFIG_BOOTARGS) |
| 106 | "bootargs=" CONFIG_BOOTARGS "\0" |
| 107 | #endif |
| 108 | #if defined(CONFIG_BOOTCOMMAND) |
| 109 | "bootcmd=" CONFIG_BOOTCOMMAND "\0" |
| 110 | #endif |
| 111 | #if defined(CONFIG_RAMBOOTCOMMAND) |
| 112 | "ramboot=" CONFIG_RAMBOOTCOMMAND "\0" |
| 113 | #endif |
| 114 | #if defined(CONFIG_NFSBOOTCOMMAND) |
| 115 | "nfsboot=" CONFIG_NFSBOOTCOMMAND "\0" |
| 116 | #endif |
| 117 | #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) |
| 118 | "bootdelay=" MK_STR(CONFIG_BOOTDELAY) "\0" |
| 119 | #endif |
| 120 | #if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0) |
| 121 | "baudrate=" MK_STR(CONFIG_BAUDRATE) "\0" |
| 122 | #endif |
| 123 | #ifdef CONFIG_LOADS_ECHO |
| 124 | "loads_echo=" MK_STR(CONFIG_LOADS_ECHO) "\0" |
| 125 | #endif |
| 126 | #ifdef CONFIG_ETHADDR |
| 127 | "ethaddr=" MK_STR(CONFIG_ETHADDR) "\0" |
| 128 | #endif |
| 129 | #ifdef CONFIG_ETH1ADDR |
| 130 | "eth1addr=" MK_STR(CONFIG_ETH1ADDR) "\0" |
| 131 | #endif |
| 132 | #ifdef CONFIG_ETH2ADDR |
| 133 | "eth2addr=" MK_STR(CONFIG_ETH2ADDR) "\0" |
| 134 | #endif |
| 135 | #ifdef CONFIG_ETH3ADDR |
| 136 | "eth3addr=" MK_STR(CONFIG_ETH3ADDR) "\0" |
| 137 | #endif |
| 138 | #ifdef CONFIG_ETH4ADDR |
| 139 | "eth4addr=" MK_STR(CONFIG_ETH4ADDR) "\0" |
| 140 | #endif |
| 141 | #ifdef CONFIG_ETH5ADDR |
| 142 | "eth5addr=" MK_STR(CONFIG_ETH5ADDR) "\0" |
| 143 | #endif |
| 144 | #ifdef CONFIG_ETHPRIME |
| 145 | "ethprime=" CONFIG_ETHPRIME "\0" |
| 146 | #endif |
| 147 | #ifdef CONFIG_IPADDR |
| 148 | "ipaddr=" MK_STR(CONFIG_IPADDR) "\0" |
| 149 | #endif |
| 150 | #ifdef CONFIG_SERVERIP |
| 151 | "serverip=" MK_STR(CONFIG_SERVERIP) "\0" |
| 152 | #endif |
| 153 | #ifdef CONFIG_SYS_AUTOLOAD |
| 154 | "autoload=" CONFIG_SYS_AUTOLOAD "\0" |
| 155 | #endif |
| 156 | #ifdef CONFIG_ROOTPATH |
| 157 | "rootpath=" MK_STR(CONFIG_ROOTPATH) "\0" |
| 158 | #endif |
| 159 | #ifdef CONFIG_GATEWAYIP |
| 160 | "gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0" |
| 161 | #endif |
| 162 | #ifdef CONFIG_NETMASK |
| 163 | "netmask=" MK_STR(CONFIG_NETMASK) "\0" |
| 164 | #endif |
| 165 | #ifdef CONFIG_HOSTNAME |
| 166 | "hostname=" MK_STR(CONFIG_HOSTNAME) "\0" |
| 167 | #endif |
| 168 | #ifdef CONFIG_BOOTFILE |
| 169 | "bootfile=" MK_STR(CONFIG_BOOTFILE) "\0" |
| 170 | #endif |
| 171 | #ifdef CONFIG_LOADADDR |
| 172 | "loadaddr=" MK_STR(CONFIG_LOADADDR) "\0" |
| 173 | #endif |
| 174 | #ifdef CONFIG_PREBOOT |
| 175 | "preboot=" CONFIG_PREBOOT "\0" |
| 176 | #endif |
| 177 | #ifdef CONFIG_CLOCKS_IN_MHZ |
| 178 | "clocks_in_mhz=" "1" "\0" |
| 179 | #endif |
| 180 | #if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0) |
| 181 | "pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0" |
| 182 | #endif |
| 183 | #ifdef CONFIG_EXTRA_ENV_SETTINGS |
| 184 | CONFIG_EXTRA_ENV_SETTINGS |
| 185 | #endif |
| 186 | "\0" /* Term. env_t.data with 2 NULs */ |
| 187 | } |
| 188 | }; |
| 189 | #ifdef CONFIG_ENV_ADDR_REDUND |
| 190 | env_t redundand_environment __PPCENV__ = { |
| 191 | 0, /* CRC Sum: invalid */ |
| 192 | 0, /* Flags: invalid */ |
| 193 | { |
| 194 | "\0" |
| 195 | } |
| 196 | }; |
| 197 | #endif /* CONFIG_ENV_ADDR_REDUND */ |
| 198 | |
| 199 | /* |
| 200 | * These will end up in the .text section |
| 201 | * if the environment strings are embedded |
| 202 | * in the image. When this is used for |
| 203 | * tools/envcrc, they are placed in the |
| 204 | * .data/.sdata section. |
| 205 | * |
| 206 | */ |
| 207 | unsigned long env_size __PPCTEXT__ = sizeof(env_t); |
| 208 | |
| 209 | /* |
| 210 | * Add in absolutes. |
| 211 | */ |
| 212 | GEN_ABS(env_offset, CONFIG_ENV_OFFSET); |
| 213 | |
| 214 | #endif /* ENV_IS_EMBEDDED */ |