Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com --- lib_mips/Makefile | 4 ++ lib_mips/bootm_qemu_mips.c | 76 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+), 0 deletions(-) create mode 100644 lib_mips/bootm_qemu_mips.c
diff --git a/lib_mips/Makefile b/lib_mips/Makefile index 8176437..7967e58 100644 --- a/lib_mips/Makefile +++ b/lib_mips/Makefile @@ -28,7 +28,11 @@ LIB = $(obj)lib$(ARCH).a SOBJS-y +=
COBJS-y += board.o +ifeq ($(CONFIG_QEMU_MIPS),y) +COBJS-y += bootm_qemu_mips.o +else COBJS-y += bootm.o +endif COBJS-y += time.o
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) diff --git a/lib_mips/bootm_qemu_mips.c b/lib_mips/bootm_qemu_mips.c new file mode 100644 index 0000000..cc70fa9 --- /dev/null +++ b/lib_mips/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; +}