[PATCH v3 0/2] SPL EBBR - EFI System Partition support
Mayuresh Chitale
mchitale at ventanamicro.com
Mon Jan 22 12:10:20 CET 2024
This series adds support to locate an EFI System Partition on a disk and
boot the next stage from such a parition if found. The next stage image
is expected to be under the FIRMWARE directory as described in the EBBR
specification [1]. Also update the spl_blk_fs and spl_fat drivers to
prefer booting from ESP and fall back to the configured parition in
case of a failure.
Changes in v3:
- Revert fallback change from v2
- Fix part_get_esp signature and header in part.h
- Add RB tag
Changes in v2:
- Rebase on latest next branch
- Enable SPL_ESP_BOOT by default
- For NVMe boot, remove fallback in case of ESP boot failure
Mayuresh Chitale (2):
part: Add a function to find ESP partition
spl: Add support for booting from ESP
common/spl/Kconfig | 8 ++++++
common/spl/spl_blk_fs.c | 60 ++++++++++++++++++++++++++++++-----------
common/spl/spl_fat.c | 34 ++++++++++++++++++++---
disk/part.c | 16 +++++++++++
include/part.h | 13 +++++++++
5 files changed, 111 insertions(+), 20 deletions(-)
--
2.34.1
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