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-rw-r--r--sys/boot/uboot/lib/elf_freebsd.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/sys/boot/uboot/lib/elf_freebsd.c b/sys/boot/uboot/lib/elf_freebsd.c
new file mode 100644
index 0000000..735dd31
--- /dev/null
+++ b/sys/boot/uboot/lib/elf_freebsd.c
@@ -0,0 +1,90 @@
+/*-
+ * Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
+ * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
+ * 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/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/linker.h>
+
+#include <machine/metadata.h>
+#include <machine/elf.h>
+
+#include <stand.h>
+
+#include "bootstrap.h"
+
+int
+__elfN(uboot_load)(char *filename, u_int64_t dest,
+ struct preloaded_file **result)
+{
+ int r;
+
+ r = __elfN(loadfile)(filename, dest, result);
+ if (r != 0)
+ return (r);
+
+#if defined(__powerpc__)
+ /*
+ * No need to sync the icache for modules: this will
+ * be done by the kernel after relocation.
+ */
+ if (!strcmp((*result)->f_type, "elf kernel"))
+ __syncicache((void *) (*result)->f_addr, (*result)->f_size);
+#endif
+ return (0);
+}
+
+int
+__elfN(uboot_exec)(struct preloaded_file *fp)
+{
+ struct file_metadata *fmp;
+ vm_offset_t mdp;
+ Elf_Ehdr *e;
+ int error;
+
+ if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
+ return (EFTYPE);
+ }
+ e = (Elf_Ehdr *)&fmp->md_data;
+
+ if ((error = md_load(fp->f_args, &mdp)) != 0)
+ return (error);
+
+ printf("Kernel entry at 0x%lx ...\n", e->e_entry);
+
+ dev_cleanup();
+
+ (*(void (*)())e->e_entry)((void *)mdp);
+ panic("exec returned");
+}
+
+struct file_format uboot_elf =
+{
+ __elfN(uboot_load),
+ __elfN(uboot_exec)
+};
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