1 files changed, 52 insertions, 0 deletions
diff --git a/arch/nios2/lib/bootm.c b/arch/nios2/lib/bootm.c
new file mode 100644
index 0000000..5d25edf
--- /dev/null
+++ b/arch/nios2/lib/bootm.c
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/byteorder.h>
+#include <asm/cache.h>
+
+#define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+	void (*kernel)(int, int, int, char *) = (void *)images->ep;
+	char *commandline = getenv("bootargs");
+	ulong initrd_start = images->rd_start;
+	ulong initrd_end = images->rd_end;
+
+	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+		return 1;
+
+	/* flushes data and instruction caches before calling the kernel */
+	disable_interrupts();
+	flush_dcache((ulong)kernel, CONFIG_SYS_DCACHE_SIZE);
+	flush_icache((ulong)kernel, CONFIG_SYS_ICACHE_SIZE);
+
+	debug("bootargs=%s @ 0x%lx\n", commandline, (ulong)&commandline);
+	debug("initrd=0x%lx-0x%lx\n", (ulong)initrd_start, (ulong)initrd_end);
+	kernel(NIOS_MAGIC, initrd_start, initrd_end, commandline);
+	/* does not return */
+
+	return 1;
+}