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cbfs: Move more stuff into cbfs_boot_lookup()

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cbfs_boot_locate() is supposed to be deprecated eventually, after slowly
migrating all APIs to bypass it. That means common features (like
RO-fallback or measurement) need to be moved to the new
cbfs_boot_lookup().

Also export the function externally. Since it is a low-level API and
most code should use the higher-level loading or mapping functions
instead, put it into a new <cbfs_private.h> to raise the mental barrier
for using this API (this will make more sense once cbfs_boot_locate() is
removed from <cbfs.h>).

Signed-off-by: Julius Werner <jwerner@chromium.org>
Change-Id: I4bc9b7cbc42a4211d806a3e3389abab7f589a25a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39327
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Julius Werner
2020-03-05 12:51:08 -08:00
committed by Patrick Georgi
parent baf27dbaeb
commit 0d9072b1a1
6 changed files with 74 additions and 41 deletions
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3
src/include/boot_device.h
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@@ -27,7 +27,8 @@ enum bootdev_prot_type {
* most likely not to work so don't rely on such semantics.
*/
/* Return the region_device for the read-only boot device. */
/* Return the region_device for the read-only boot device. This is the root
device for all CBFS boot devices. */
const struct region_device *boot_device_ro(void);
/* Return the region_device for the read-write boot device. */