diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/lib/board.c | 27 | ||||
| -rw-r--r-- | arch/x86/lib/cmd_boot.c | 64 |
3 files changed, 65 insertions, 27 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index d584aa4..7820895 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -32,6 +32,7 @@ SOBJS-$(CONFIG_SYS_X86_REALMODE) += realmode_switch.o COBJS-$(CONFIG_SYS_PC_BIOS) += bios_setup.o COBJS-y += board.o COBJS-y += bootm.o +COBJS-y += cmd_boot.o COBJS-y += gcc.o COBJS-y += interrupts.o COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c index a240d26..aaffd1b 100644 --- a/arch/x86/lib/board.c +++ b/arch/x86/lib/board.c @@ -487,33 +487,6 @@ void hang(void) ; } -unsigned long do_go_exec(ulong (*entry)(int, char * const []), - int argc, char * const argv[]) -{ - unsigned long ret = 0; - char **argv_tmp; - - /* - * x86 does not use a dedicated register to pass the pointer to - * the global_data, so it is instead passed as argv[-1]. By using - * argv[-1], the called 'Application' can use the contents of - * argv natively. However, to safely use argv[-1] a new copy of - * argv is needed with the extra element - */ - argv_tmp = malloc(sizeof(char *) * (argc + 1)); - - if (argv_tmp) { - argv_tmp[0] = (char *)gd; - - memcpy(&argv_tmp[1], argv, (size_t)(sizeof(char *) * argc)); - - ret = (entry) (argc, &argv_tmp[1]); - free(argv_tmp); - } - - return ret; -} - void setup_pcat_compatibility(void) __attribute__((weak, alias("__setup_pcat_compatibility"))); diff --git a/arch/x86/lib/cmd_boot.c b/arch/x86/lib/cmd_boot.c new file mode 100644 index 0000000..a81a9a3 --- /dev/null +++ b/arch/x86/lib/cmd_boot.c @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2008-2011 + * Graeme Russ, <graeme.russ@gmail.com> + * + * (C) Copyright 2002 + * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> + * + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * 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 <malloc.h> +#include <asm/u-boot-x86.h> + +unsigned long do_go_exec(ulong (*entry)(int, char * const []), + int argc, char * const argv[]) +{ + unsigned long ret = 0; + char **argv_tmp; + + /* + * x86 does not use a dedicated register to pass the pointer to + * the global_data, so it is instead passed as argv[-1]. By using + * argv[-1], the called 'Application' can use the contents of + * argv natively. However, to safely use argv[-1] a new copy of + * argv is needed with the extra element + */ + argv_tmp = malloc(sizeof(char *) * (argc + 1)); + + if (argv_tmp) { + argv_tmp[0] = (char *)gd; + + memcpy(&argv_tmp[1], argv, (size_t)(sizeof(char *) * argc)); + + ret = (entry) (argc, &argv_tmp[1]); + free(argv_tmp); + } + + return ret; +} |