diff options
author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /arch/nios2/lib/bootm.c | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/nios2/lib/bootm.c')
-rw-r--r-- | arch/nios2/lib/bootm.c | 52 |
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 00000000000..5d25edf80d2 --- /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; +} |