diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/arch/sh/lib/zimageboot.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/arch/sh/lib/zimageboot.c')
-rw-r--r-- | qemu/roms/u-boot/arch/sh/lib/zimageboot.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/sh/lib/zimageboot.c b/qemu/roms/u-boot/arch/sh/lib/zimageboot.c new file mode 100644 index 000000000..86d39983c --- /dev/null +++ b/qemu/roms/u-boot/arch/sh/lib/zimageboot.c @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2010 + * Renesas Solutions Corp. + * Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Linux SuperH zImage loading and boot + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/zimage.h> + +int do_sh_zimageboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + ulong (*zboot_entry)(int, char * const []) = NULL; + char *s0, *s1; + unsigned char *param = NULL; + char *cmdline; + char *bootargs; + + disable_interrupts(); + + if (argc >= 3) { + /* argv[1] holds the address of the zImage */ + s0 = argv[1]; + /* argv[2] holds the address of zero page */ + s1 = argv[2]; + } else { + goto exit; + } + + if (s0) + zboot_entry = (ulong (*)(int, char * const []))simple_strtoul(s0, NULL, 16); + + /* empty_zero_page */ + if (s1) + param = (unsigned char*)simple_strtoul(s1, NULL, 16); + + /* Linux kernel command line */ + cmdline = (char *)param + COMMAND_LINE; + bootargs = getenv("bootargs"); + + /* Clear zero page */ + memset(param, 0, 0x1000); + + /* Set commandline */ + strcpy(cmdline, bootargs); + + /* Boot */ + zboot_entry(0, NULL); + +exit: + return -1; +} + +U_BOOT_CMD( + zimageboot, 3, 0, do_sh_zimageboot, + "Boot zImage for Renesas SH", + "" +); |