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author | imp <imp@FreeBSD.org> | 2010-01-11 03:43:18 +0000 |
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committer | imp <imp@FreeBSD.org> | 2010-01-11 03:43:18 +0000 |
commit | 66329b4c25312f3335a51f2421247fb72bedfe42 (patch) | |
tree | bfcd9599393a61bfc36fff6677214f475e0c84a8 /sys/dev/cfe | |
parent | 689b6abf98d8f9ae31541c526ff14fc4fda4b89a (diff) | |
parent | 3fab56430208c0711cce70ba7e778c745bd5f16d (diff) | |
download | FreeBSD-src-66329b4c25312f3335a51f2421247fb72bedfe42.zip FreeBSD-src-66329b4c25312f3335a51f2421247fb72bedfe42.tar.gz |
Merge from projects/mips to head by hand:
copy over cfe_env.c...
Diffstat (limited to 'sys/dev/cfe')
-rw-r--r-- | sys/dev/cfe/cfe_env.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sys/dev/cfe/cfe_env.c b/sys/dev/cfe/cfe_env.c new file mode 100644 index 0000000..a72e46e --- /dev/null +++ b/sys/dev/cfe/cfe_env.c @@ -0,0 +1,74 @@ +/*- + * Copyright (c) 2009 Neelkanth Natu + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/systm.h> + +#include <dev/cfe/cfe_api.h> + +__FBSDID("$FreeBSD$"); + +#ifndef CFE_ENV_SIZE +#define CFE_ENV_SIZE PAGE_SIZE /* default is one page */ +#endif + +extern void cfe_env_init(void); + +static char cfe_env_buf[CFE_ENV_SIZE]; + +void +cfe_env_init(void) +{ + int idx, len; + char name[64], val[128], *cp, *cplim; + + cp = cfe_env_buf; + cplim = cp + CFE_ENV_SIZE; + + idx = 0; + while (1) { + if (cfe_enumenv(idx, name, sizeof(name), val, sizeof(val)) != 0) + break; + + if (bootverbose) + printf("Importing CFE env: \"%s=%s\"\n", name, val); + + /* + * name=val\0\0 + */ + len = strlen(name) + 1 + strlen(val) + 1 + 1; + if (cplim - cp < len) + printf("No space to store CFE env: \"%s=%s\"\n", + name, val); + else + cp += sprintf(cp, "%s=%s", name, val) + 1; + ++idx; + } + *cp++ = '\0'; + + kern_envp = cfe_env_buf; +} |