diff options
Diffstat (limited to 'src/arch/x86/lib/cbfs_and_run.c')
-rw-r--r-- | src/arch/x86/lib/cbfs_and_run.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/arch/x86/lib/cbfs_and_run.c b/src/arch/x86/lib/cbfs_and_run.c new file mode 100644 index 0000000..5e3d8fe --- /dev/null +++ b/src/arch/x86/lib/cbfs_and_run.c @@ -0,0 +1,55 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <cbfs.h> +#include <arch/stages.h> + +void cbfs_and_run_core(const char *filename, unsigned ebp) +{ + u8 *dst; + + print_debug("Loading image.\n"); + dst = cbfs_load_stage(filename); + if ((void *)dst == (void *) -1) + die("FATAL: Essential component is missing.\n"); + + print_debug("Jumping to image.\n"); + __asm__ volatile ( + "movl %%eax, %%ebp\n" + "jmp *%%edi\n" + :: "a"(ebp), "D"(dst) + ); +} + +void __attribute__((regparm(0))) copy_and_run(unsigned cpu_reset) +{ + // FIXME fix input parameters instead normalizing them here. + if (cpu_reset == 1) cpu_reset = -1; + else cpu_reset = 0; + + cbfs_and_run_core(CONFIG_CBFS_PREFIX "/coreboot_ram", cpu_reset); +} + +#if CONFIG_AP_CODE_IN_CAR == 1 +void __attribute__((regparm(0))) copy_and_run_ap_code_in_car(unsigned ret_addr) +{ + cbfs_and_run_core(CONFIG_CBFS_PREFIX "/coreboot_ap", ret_addr); +} +#endif |