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authorStefan Reinauer <stepan@coresystems.de>2009-10-26 17:17:37 +0000
committerStefan Reinauer <stepan@openbios.org>2009-10-26 17:17:37 +0000
commit472837ad614e1ba7b8500c4bd7078ea7a3c6a841 (patch)
tree43cac21edb9e1f9aa6d85f39c3a02d79d4963fd8 /src/arch/i386
parentb4f3da5b143f5bc63f9bfd5332e557998d4d39af (diff)
reasonable output in cbfs loading (part 2)
run hlt in endless loop, be friendly to the cpu Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4863 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/i386')
-rw-r--r--src/arch/i386/lib/cbfs_and_run.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/src/arch/i386/lib/cbfs_and_run.c b/src/arch/i386/lib/cbfs_and_run.c
index 4e56964393..c4e9d4d0ca 100644
--- a/src/arch/i386/lib/cbfs_and_run.c
+++ b/src/arch/i386/lib/cbfs_and_run.c
@@ -1,7 +1,23 @@
-/* by yhlu 6.2005
- moved from nrv2v.c and some lines from crt0.S
- 2006/05/02 - stepan: move nrv2b to an extra file.
-*/
+/*
+ * 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>
@@ -9,20 +25,20 @@
void cbfs_and_run_core(char *filename, unsigned ebp)
{
u8 *dst;
- print_debug("Jumping to image.\r\n");
+
+ print_debug("Loading stage image.\n");
dst = cbfs_load_stage(filename);
if (dst == (void *) -1) {
/* We should use die() here. */
print_emerg("Loading stage failed!\n");
- for (;;);
+ for (;;)
+ asm("hlt\n");
}
- print_debug("Jumping to image.\r\n");
+ print_debug("Jumping to image.\n");
__asm__ volatile (
- "movl %%eax, %%ebp\n\t"
- "cli\n\t"
- "jmp *%%edi\n\t"
+ "movl %%eax, %%ebp\n"
+ "jmp *%%edi\n"
:: "a"(ebp), "D"(dst)
);
-
}