diff options
Diffstat (limited to 'arch/mips/lib/bootm_qemu_mips.c')
| -rw-r--r-- | arch/mips/lib/bootm_qemu_mips.c | 76 | 
1 files changed, 76 insertions, 0 deletions
| diff --git a/arch/mips/lib/bootm_qemu_mips.c b/arch/mips/lib/bootm_qemu_mips.c new file mode 100644 index 000000000..cc70fa93f --- /dev/null +++ b/arch/mips/lib/bootm_qemu_mips.c @@ -0,0 +1,76 @@ +/* + * (C) Copyright 2008 + * Jean-Christophe PLAGNIOL-VILLARD <jcplagniol@jcrosoft.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 <image.h> +#include <asm/byteorder.h> +#include <asm/addrspace.h> + +DECLARE_GLOBAL_DATA_PTR; + +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +{ +	void	(*theKernel) (int, char **, char **, int *); +	char	*bootargs = getenv ("bootargs"); +	char	*start; +	uint	len; + +	/* find kernel entry point */ +	theKernel = (void (*)(int, char **, char **, int *))images->ep; + +	show_boot_progress (15); + +	debug ("## Transferring control to Linux (at address %08lx) ...\n", +		(ulong) theKernel); + +	gd->bd->bi_boot_params = gd->bd->bi_memstart + (16 << 20) - 256; +	debug ("%-12s= 0x%08lX\n", "boot_params", (ulong)gd->bd->bi_boot_params); + +	/* set Magic */ +	*(int32_t *)(gd->bd->bi_boot_params - 4) = 0x12345678; +	/* set ram_size */ +	*(int32_t *)(gd->bd->bi_boot_params - 8) = gd->ram_size; + +	start = (char*)gd->bd->bi_boot_params; + +	len = strlen(bootargs); + +	strncpy(start, bootargs, len + 1); + +	start += len; + +	len = images->rd_end - images->rd_start; +	if (len > 0) { +		start += sprintf(start," rd_start=0x%08X rd_size=0x%0X", +		(uint) UNCACHED_SDRAM (images->rd_start), +		(uint) len); +	} + +	/* we assume that the kernel is in place */ +	printf ("\nStarting kernel ...\n\n"); + +	theKernel (0, NULL, NULL, 0); +	/* does not return */ +	return 1; +} |