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authorimp <imp@FreeBSD.org>2010-01-11 03:43:18 +0000
committerimp <imp@FreeBSD.org>2010-01-11 03:43:18 +0000
commit66329b4c25312f3335a51f2421247fb72bedfe42 (patch)
treebfcd9599393a61bfc36fff6677214f475e0c84a8 /sys/dev/cfe
parent689b6abf98d8f9ae31541c526ff14fc4fda4b89a (diff)
parent3fab56430208c0711cce70ba7e778c745bd5f16d (diff)
downloadFreeBSD-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.c74
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;
+}
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