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libpayload: add support for vboot_handoff

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The vboot_handoff structure needs to be parsed from the coreboot tables.
Add a placeholder in sysinfo as well as the ability to parse the
coreboot table entry concering the vboot_handoff structure.

Built with unified boot loader and ebuild changes. Can find and use
the VbInitParams for doing kernel selection.

Change-Id: If40a863b4a445fa5f7814325add03355fd0ac647
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2720
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Aaron Durbin
2013-03-07 23:22:24 -06:00
committed by Ronald G. Minnich
parent 1cb414de63
commit 5ca4f4119b
3 changed files with 21 additions and 0 deletions
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8
payloads/libpayload/include/coreboot_tables.h
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@ -209,6 +209,14 @@ struct cb_vbnv {
uint32_t vbnv_size;
};
#define CB_TAG_VBOOT_HANDOFF 0x0020
struct cb_vboot_handoff {
uint32_t tag;
uint32_t size;
void *vboot_handoff_addr;
uint32_t vboot_handoff_size;
};
#define CB_TAG_CMOS_OPTION_TABLE 0x00c8
struct cb_cmos_option_table {
u32 tag;