/* * (C) Copyright 2001 * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. * * See file CREDITS for list of people who contributed to this * project. * * 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; either version 2 of * the License, or (at your option) any later version. * * 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 */ #ifndef __ASSEMBLY__ #define __ASSEMBLY__ /* Dirty trick to get only #defines */ #endif #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */ #include <config.h> #undef __ASSEMBLY__ #include <environment.h> /* * Handle HOSTS that have prepended * crap on symbol names, not TARGETS. */ #if defined(__APPLE__) /* Leading underscore on symbols */ # define SYM_CHAR "_" #else /* No leading character on symbols */ # define SYM_CHAR #endif /* * Generate embedded environment table * inside U-Boot image, if needed. */ #if defined(ENV_IS_EMBEDDED) /* * Only put the environment in it's own section when we are building * U-Boot proper. The host based program "tools/envcrc" does not need * a seperate section. Note that ENV_CRC is only defined when building * U-Boot itself. */ #if (defined(CFG_USE_PPCENV) || defined(CONFIG_NAND_U_BOOT)) && \ defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */ /* XXX - This only works with GNU C */ # define __PPCENV__ __attribute__ ((section(".ppcenv"))) # define __PPCTEXT__ __attribute__ ((section(".text"))) #elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */ # define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/ # define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/ #else /* Environment is embedded in U-Boot's .text section */ /* XXX - This only works with GNU C */ # define __PPCENV__ __attribute__ ((section(".text"))) # define __PPCTEXT__ __attribute__ ((section(".text"))) #endif /* * Macros to generate global absolutes. */ #if defined(__bfin__) # define GEN_SET_VALUE(name, value) asm (".set " GEN_SYMNAME(name) ", " GEN_VALUE(value)) #else # define GEN_SET_VALUE(name, value) asm (GEN_SYMNAME(name) " = " GEN_VALUE(value)) #endif #define GEN_SYMNAME(str) SYM_CHAR #str #define GEN_VALUE(str) #str #define GEN_ABS(name, value) \ asm (".globl " GEN_SYMNAME(name)); \ GEN_SET_VALUE(name, value) /* * Macros to transform values * into environment strings. */ #define XMK_STR(x) #x #define MK_STR(x) XMK_STR(x) /* * Check to see if we are building with a * computed CRC. Otherwise define it as ~0. */ #if !defined(ENV_CRC) # define ENV_CRC ~0 #endif env_t environment __PPCENV__ = { ENV_CRC, /* CRC Sum */ #ifdef CFG_REDUNDAND_ENVIRONMENT 1, /* Flags: valid */ #endif { #if defined(CONFIG_BOOTARGS) "bootargs=" CONFIG_BOOTARGS "\0" #endif #if defined(CONFIG_BOOTCOMMAND) "bootcmd=" CONFIG_BOOTCOMMAND "\0" #endif #if defined(CONFIG_RAMBOOTCOMMAND) "ramboot=" CONFIG_RAMBOOTCOMMAND "\0" #endif #if defined(CONFIG_NFSBOOTCOMMAND) "nfsboot=" CONFIG_NFSBOOTCOMMAND "\0" #endif #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) "bootdelay=" MK_STR(CONFIG_BOOTDELAY) "\0" #endif #if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0) "baudrate=" MK_STR(CONFIG_BAUDRATE) "\0" #endif #ifdef CONFIG_LOADS_ECHO "loads_echo=" MK_STR(CONFIG_LOADS_ECHO) "\0" #endif #ifdef CONFIG_ETHADDR "ethaddr=" MK_STR(CONFIG_ETHADDR) "\0" #endif #ifdef CONFIG_ETH1ADDR "eth1addr=" MK_STR(CONFIG_ETH1ADDR) "\0" #endif #ifdef CONFIG_ETH2ADDR "eth2addr=" MK_STR(CONFIG_ETH2ADDR) "\0" #endif #ifdef CONFIG_ETH3ADDR "eth3addr=" MK_STR(CONFIG_ETH3ADDR) "\0" #endif #ifdef CONFIG_ETHPRIME "ethprime=" CONFIG_ETHPRIME "\0" #endif #ifdef CONFIG_IPADDR "ipaddr=" MK_STR(CONFIG_IPADDR) "\0" #endif #ifdef CONFIG_SERVERIP "serverip=" MK_STR(CONFIG_SERVERIP) "\0" #endif #ifdef CFG_AUTOLOAD "autoload=" CFG_AUTOLOAD "\0" #endif #ifdef CONFIG_ROOTPATH "rootpath=" MK_STR(CONFIG_ROOTPATH) "\0" #endif #ifdef CONFIG_GATEWAYIP "gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0" #endif #ifdef CONFIG_NETMASK "netmask=" MK_STR(CONFIG_NETMASK) "\0" #endif #ifdef CONFIG_HOSTNAME "hostname=" MK_STR(CONFIG_HOSTNAME) "\0" #endif #ifdef CONFIG_BOOTFILE "bootfile=" MK_STR(CONFIG_BOOTFILE) "\0" #endif #ifdef CONFIG_LOADADDR "loadaddr=" MK_STR(CONFIG_LOADADDR) "\0" #endif #ifdef CONFIG_PREBOOT "preboot=" CONFIG_PREBOOT "\0" #endif #ifdef CONFIG_CLOCKS_IN_MHZ "clocks_in_mhz=" "1" "\0" #endif #if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0) "pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0" #endif #ifdef CONFIG_EXTRA_ENV_SETTINGS CONFIG_EXTRA_ENV_SETTINGS #endif "\0" /* Term. env_t.data with 2 NULs */ } }; #ifdef CFG_ENV_ADDR_REDUND env_t redundand_environment __PPCENV__ = { 0, /* CRC Sum: invalid */ 0, /* Flags: invalid */ { "\0" } }; #endif /* CFG_ENV_ADDR_REDUND */ /* * These will end up in the .text section * if the environment strings are embedded * in the image. When this is used for * tools/envcrc, they are placed in the * .data/.sdata section. * */ unsigned long env_size __PPCTEXT__ = sizeof(env_t); /* * Add in absolutes. */ GEN_ABS(env_offset, CFG_ENV_OFFSET); #endif /* ENV_IS_EMBEDDED */