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coreboot: move common code to payload_run() from selfboot() 

The selfboot() routine was perfoming most of the common teardown
and stack checking infrastructure. Move that code into
payload_run() to prepare removal of the selfboot() function.

Change-Id: I29f2a5cfcc692f7a0fe2656cb1cda18158c49c6e
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5297
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Aaron Durbin 2014-02-24 21:24:28 -06:00 committed by Aaron Durbin
parent bdf913ab01
commit 1322d7f9d5
2 changed files with 16 additions and 19 deletions
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16
src/lib/loaders/load_and_run_payload.c
View File

@ -21,7 +21,10 @@
#include <stdlib.h>
#include <console/console.h>
#include <boot/coreboot_tables.h>
#include <fallback.h>
#include <lib.h>
#include <payload_loader.h>
#include <timestamp.h>
extern const struct payload_loader_ops vboot_payload_loader;
extern const struct payload_loader_ops cbfs_payload_loader;
@ -77,5 +80,18 @@ void payload_run(const struct payload *payload)
if (payload == NULL)
return;
/* Reset to booting from this image as late as possible */
boot_successful();
printk(BIOS_DEBUG, "Jumping to boot code at %p\n", payload->entry);
post_code(POST_ENTER_ELF_BOOT);
timestamp_add_now(TS_SELFBOOT_JUMP);
/* Before we go off to run the payload, see if
* we stayed within our bounds.
*/
checkstack(_estack, 0);
selfboot(payload->entry);
}

19
src/lib/selfboot.c
View File

@ -22,16 +22,12 @@
#include <arch/stages.h>
#include <console/console.h>
#include <cpu/cpu.h>
#include <fallback.h>
#include <boot/coreboot_tables.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <cbfs.h>
#include <lib.h>
#if CONFIG_COLLECT_TIMESTAMPS
#include <timestamp.h>
#endif
#include <payload_loader.h>
/* Maximum physical address we can use for the coreboot bounce buffer. */
@ -527,21 +523,6 @@ out:
void selfboot(void *entry)
{
/* Reset to booting from this image as late as possible */
boot_successful();
printk(BIOS_DEBUG, "Jumping to boot code at %p\n", entry);
post_code(POST_ENTER_ELF_BOOT);
#if CONFIG_COLLECT_TIMESTAMPS
timestamp_add_now(TS_SELFBOOT_JUMP);
#endif
/* Before we go off to run the payload, see if
* we stayed within our bounds.
*/
checkstack(_estack, 0);
/* Jump to kernel */
jmp_to_elf_entry(entry, bounce_buffer, bounce_size);
}