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coreboot: add vboot_handoff to coreboot tables

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The vboot_handoff structure contians the VbInitParams as well as the
shared vboot data. In order for the boot loader to find it, the
structure address and size needs to be obtained from the coreboot
tables.

Change-Id: I6573d479009ccbf373a7325f861bebe8dc9f5cf8
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2857
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Aaron Durbin 2013-03-07 23:15:06 -06:00 • committed by Stefan Reinauer
commit dd32a31fba
4 changed files with 50 additions and 1 deletions
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14
src/vendorcode/google/chromeos/chromeos.c
View file

@ -66,4 +66,18 @@ void *vboot_get_payload(int *len)
return (void *)fwc->address;
}
int vboot_get_handoff_info(void **addr, uint32_t *size)
{
struct vboot_handoff *vboot_handoff;
vboot_handoff = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
if (vboot_handoff == NULL)
return -1;
*addr = vboot_handoff;
*size = sizeof(*vboot_handoff);
return 0;
}
#endif

2
src/vendorcode/google/chromeos/chromeos.h
View file

@ -49,6 +49,8 @@ void init_chromeos(int bootmode);
struct romstage_handoff;
void vboot_verify_firmware(struct romstage_handoff *handoff);
void *vboot_get_payload(int *len);
/* Returns 0 on success < 0 on error. */
int vboot_get_handoff_info(void **addr, uint32_t *size);
#endif
#endif