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wdenkc6097192002-11-03 00:24:07 +00001/*
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
Wolfgang Denkdc17fb62005-08-03 22:32:02 +020024#ifndef __ASSEMBLY__
25#define __ASSEMBLY__ /* Dirty trick to get only #defines */
26#endif
27#define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
wdenkc6097192002-11-03 00:24:07 +000028#include <config.h>
Wolfgang Denkdc17fb62005-08-03 22:32:02 +020029#undef __ASSEMBLY__
wdenkc6097192002-11-03 00:24:07 +000030#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 */
wdenk0db5bca2003-03-31 17:27:09 +000054#if (defined(CONFIG_CMI) || \
55 defined(CONFIG_FADS) || \
wdenkc6097192002-11-03 00:24:07 +000056 defined(CONFIG_HYMOD) || \
57 defined(CONFIG_ICU862) || \
58 defined(CONFIG_R360MPI) || \
59 defined(CONFIG_TQM8xxL) || \
60 defined(CONFIG_RRVISION) || \
wdenk998eaae2004-04-18 19:43:36 +000061 defined(CONFIG_TRAB) || \
Marian Balakowicz78b123c2006-05-09 11:54:44 +020062 defined(CONFIG_PPCHAMELEONEVB) || \
63 defined(CONFIG_M5271EVB)) && \
wdenkc6097192002-11-03 00:24:07 +000064 defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */
65/* XXX - This only works with GNU C */
66# define __PPCENV__ __attribute__ ((section(".ppcenv")))
67# define __PPCTEXT__ __attribute__ ((section(".text")))
68
69#elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */
70# define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
71# define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
72
73#else /* Environment is embedded in U-Boot's .text section */
74/* XXX - This only works with GNU C */
75# define __PPCENV__ __attribute__ ((section(".text")))
76# define __PPCTEXT__ __attribute__ ((section(".text")))
77#endif
78
79/*
80 * Macros to generate global absolutes.
81 */
82#define GEN_SYMNAME(str) SYM_CHAR #str
83#define GEN_VALUE(str) #str
84#define GEN_ABS(name, value) \
85 asm (".globl " GEN_SYMNAME(name)); \
86 asm (GEN_SYMNAME(name) " = " GEN_VALUE(value))
87
88/*
89 * Macros to transform values
90 * into environment strings.
91 */
92#define XMK_STR(x) #x
93#define MK_STR(x) XMK_STR(x)
94
95/*
96 * Check to see if we are building with a
97 * computed CRC. Otherwise define it as ~0.
98 */
99#if !defined(ENV_CRC)
100# define ENV_CRC ~0
101#endif
102
103env_t environment __PPCENV__ = {
104 ENV_CRC, /* CRC Sum */
105#ifdef CFG_REDUNDAND_ENVIRONMENT
106 1, /* Flags: valid */
107#endif
108 {
109#if defined(CONFIG_BOOTARGS)
110 "bootargs=" CONFIG_BOOTARGS "\0"
111#endif
112#if defined(CONFIG_BOOTCOMMAND)
113 "bootcmd=" CONFIG_BOOTCOMMAND "\0"
114#endif
115#if defined(CONFIG_RAMBOOTCOMMAND)
116 "ramboot=" CONFIG_RAMBOOTCOMMAND "\0"
117#endif
118#if defined(CONFIG_NFSBOOTCOMMAND)
119 "nfsboot=" CONFIG_NFSBOOTCOMMAND "\0"
120#endif
121#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
122 "bootdelay=" MK_STR(CONFIG_BOOTDELAY) "\0"
123#endif
124#if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0)
125 "baudrate=" MK_STR(CONFIG_BAUDRATE) "\0"
126#endif
127#ifdef CONFIG_LOADS_ECHO
128 "loads_echo=" MK_STR(CONFIG_LOADS_ECHO) "\0"
129#endif
130#ifdef CONFIG_ETHADDR
131 "ethaddr=" MK_STR(CONFIG_ETHADDR) "\0"
132#endif
133#ifdef CONFIG_ETH1ADDR
134 "eth1addr=" MK_STR(CONFIG_ETH1ADDR) "\0"
135#endif
136#ifdef CONFIG_ETH2ADDR
137 "eth2addr=" MK_STR(CONFIG_ETH2ADDR) "\0"
138#endif
wdenke2ffd592004-12-31 09:32:47 +0000139#ifdef CONFIG_ETH3ADDR
140 "eth3addr=" MK_STR(CONFIG_ETH3ADDR) "\0"
141#endif
wdenkc6097192002-11-03 00:24:07 +0000142#ifdef CONFIG_ETHPRIME
143 "ethprime=" CONFIG_ETHPRIME "\0"
144#endif
145#ifdef CONFIG_IPADDR
146 "ipaddr=" MK_STR(CONFIG_IPADDR) "\0"
147#endif
148#ifdef CONFIG_SERVERIP
149 "serverip=" MK_STR(CONFIG_SERVERIP) "\0"
150#endif
151#ifdef CFG_AUTOLOAD
152 "autoload=" CFG_AUTOLOAD "\0"
153#endif
154#ifdef CONFIG_ROOTPATH
155 "rootpath=" MK_STR(CONFIG_ROOTPATH) "\0"
156#endif
157#ifdef CONFIG_GATEWAYIP
158 "gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0"
159#endif
160#ifdef CONFIG_NETMASK
161 "netmask=" MK_STR(CONFIG_NETMASK) "\0"
162#endif
163#ifdef CONFIG_HOSTNAME
164 "hostname=" MK_STR(CONFIG_HOSTNAME) "\0"
165#endif
166#ifdef CONFIG_BOOTFILE
167 "bootfile=" MK_STR(CONFIG_BOOTFILE) "\0"
168#endif
169#ifdef CONFIG_LOADADDR
170 "loadaddr=" MK_STR(CONFIG_LOADADDR) "\0"
171#endif
172#ifdef CONFIG_PREBOOT
173 "preboot=" CONFIG_PREBOOT "\0"
174#endif
175#ifdef CONFIG_CLOCKS_IN_MHZ
176 "clocks_in_mhz=" "1" "\0"
177#endif
stroesead10dd92003-02-14 11:21:23 +0000178#if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
179 "pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0"
180#endif
wdenkc6097192002-11-03 00:24:07 +0000181#ifdef CONFIG_EXTRA_ENV_SETTINGS
182 CONFIG_EXTRA_ENV_SETTINGS
183#endif
wdenkd0fb80c2003-01-11 09:48:40 +0000184 "\0" /* Term. env_t.data with 2 NULs */
wdenkc6097192002-11-03 00:24:07 +0000185 }
186};
187#ifdef CFG_ENV_ADDR_REDUND
188env_t redundand_environment __PPCENV__ = {
189 0, /* CRC Sum: invalid */
190 0, /* Flags: invalid */
191 {
192 "\0"
193 }
194};
195#endif /* CFG_ENV_ADDR_REDUND */
196
197/*
198 * These will end up in the .text section
199 * if the environment strings are embedded
200 * in the image. When this is used for
201 * tools/envcrc, they are placed in the
202 * .data/.sdata section.
203 *
204 */
205unsigned long env_size __PPCTEXT__ = sizeof(env_t);
206
207/*
208 * Add in absolutes.
209 */
210GEN_ABS(env_offset, CFG_ENV_OFFSET);
211
212#endif /* ENV_IS_EMBEDDED */