3 * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 #define __ASSEMBLY__ /* Dirty trick to get only #defines */
27 #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
30 #include <environment.h>
33 * Handle HOSTS that have prepended
34 * crap on symbol names, not TARGETS.
36 #if defined(__APPLE__)
37 /* Leading underscore on symbols */
39 #else /* No leading character on symbols */
44 * Generate embedded environment table
45 * inside U-Boot image, if needed.
47 #if defined(ENV_IS_EMBEDDED)
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
54 #if (defined(CONFIG_CMI) || \
55 defined(CONFIG_FADS) || \
56 defined(CONFIG_HYMOD) || \
57 defined(CONFIG_ICU862) || \
58 defined(CONFIG_R360MPI) || \
59 defined(CONFIG_TQM8xxL) || \
60 defined(CONFIG_RRVISION) || \
61 defined(CONFIG_TRAB) || \
62 defined(CONFIG_PPCHAMELEONEVB) ) && \
63 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")))
69 #elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */
71 #define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
72 #define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
74 #else /* Environment is embedded in U-Boot's .text section */
76 /* XXX - This only works with GNU C */
77 #define __PPCENV__ __attribute__ ((section(".text")))
78 #define __PPCTEXT__ __attribute__ ((section(".text")))
83 * Macros to generate global absolutes.
85 #define GEN_SYMNAME(str) SYM_CHAR #str
86 #define GEN_VALUE(str) #str
87 #define GEN_ABS(name, value) \
88 asm (".globl " GEN_SYMNAME(name)); \
89 asm (GEN_SYMNAME(name) " = " GEN_VALUE(value))
92 * Macros to transform values
93 * into environment strings.
96 #define MK_STR(x) XMK_STR(x)
99 * Check to see if we are building with a
100 * computed CRC. Otherwise define it as ~0.
102 #if !defined(ENV_CRC)
106 env_t environment __PPCENV__ = {
107 ENV_CRC, /* CRC Sum */
108 #ifdef CFG_REDUNDAND_ENVIRONMENT
109 1, /* Flags: valid */
112 #if defined(CONFIG_BOOTARGS)
113 "bootargs=" CONFIG_BOOTARGS "\0"
115 #if defined(CONFIG_BOOTCOMMAND)
116 "bootcmd=" CONFIG_BOOTCOMMAND "\0"
118 #if defined(CONFIG_RAMBOOTCOMMAND)
119 "ramboot=" CONFIG_RAMBOOTCOMMAND "\0"
121 #if defined(CONFIG_NFSBOOTCOMMAND)
122 "nfsboot=" CONFIG_NFSBOOTCOMMAND "\0"
124 #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
125 "bootdelay=" MK_STR(CONFIG_BOOTDELAY) "\0"
127 #if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0)
128 "baudrate=" MK_STR(CONFIG_BAUDRATE) "\0"
130 #ifdef CONFIG_LOADS_ECHO
131 "loads_echo=" MK_STR(CONFIG_LOADS_ECHO) "\0"
133 #ifdef CONFIG_ETHADDR
134 "ethaddr=" MK_STR(CONFIG_ETHADDR) "\0"
136 #ifdef CONFIG_ETH1ADDR
137 "eth1addr=" MK_STR(CONFIG_ETH1ADDR) "\0"
139 #ifdef CONFIG_ETH2ADDR
140 "eth2addr=" MK_STR(CONFIG_ETH2ADDR) "\0"
142 #ifdef CONFIG_ETH3ADDR
143 "eth3addr=" MK_STR(CONFIG_ETH3ADDR) "\0"
145 #ifdef CONFIG_ETHPRIME
146 "ethprime=" CONFIG_ETHPRIME "\0"
149 "ipaddr=" MK_STR(CONFIG_IPADDR) "\0"
151 #ifdef CONFIG_SERVERIP
152 "serverip=" MK_STR(CONFIG_SERVERIP) "\0"
155 "autoload=" CFG_AUTOLOAD "\0"
157 #ifdef CONFIG_ROOTPATH
158 "rootpath=" MK_STR(CONFIG_ROOTPATH) "\0"
160 #ifdef CONFIG_GATEWAYIP
161 "gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0"
163 #ifdef CONFIG_NETMASK
164 "netmask=" MK_STR(CONFIG_NETMASK) "\0"
166 #ifdef CONFIG_HOSTNAME
167 "hostname=" MK_STR(CONFIG_HOSTNAME) "\0"
169 #ifdef CONFIG_BOOTFILE
170 "bootfile=" MK_STR(CONFIG_BOOTFILE) "\0"
172 #ifdef CONFIG_LOADADDR
173 "loadaddr=" MK_STR(CONFIG_LOADADDR) "\0"
175 #ifdef CONFIG_NETCONSOLE_PORT
176 "ncport=" MK_STR(CONFIG_NETCONSOLE_PORT) "\0"
178 #ifdef CONFIG_CLOCKS_IN_MHZ
179 "clocks_in_mhz=" "1" "\0"
181 #if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
182 "pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0"
184 #ifdef CONFIG_EXTRA_ENV_SETTINGS
185 CONFIG_EXTRA_ENV_SETTINGS
187 "\0" /* Term. env_t.data with 2 NULs */
190 #ifdef CFG_ENV_ADDR_REDUND
191 env_t redundand_environment __PPCENV__ = {
192 0, /* CRC Sum: invalid */
193 0, /* Flags: invalid */
198 #endif /* CFG_ENV_ADDR_REDUND */
201 * These will end up in the .text section
202 * if the environment strings are embedded
203 * in the image. When this is used for
204 * tools/envcrc, they are placed in the
205 * .data/.sdata section.
208 unsigned long env_size __PPCTEXT__ = sizeof(env_t);
213 GEN_ABS(env_offset, CFG_ENV_OFFSET);
215 #endif /* ENV_IS_EMBEDDED */