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xip_customize: GPTR/overlays stage 1 support
Updated to poll Nimbus DD level and whether there's support for overlays in the XIP interface. Further, updated to add three extra args in xip_customize API, two of which are to support a third ring work buffer for the overlays handling. This has necessitated making changes to hcode_image_build (HIB) API as well. Note that the calling codes of xip_customize and HIB need to be updated to supply the additional args in their APIs. Note that this code stage 1 will work for Nimbus DD2 with Gptr rings in Mvpd, and no Gptr rings in the HW image. It will, however, not work if there's content in .overlays or if there's Gptr rings already in the .rings section. Thus, the stage 1 code here will work with a DD2 image (i.e., that does NOT have Gptr rings in .rings in HW image) as long as noone has put any real Gptr initfiles in for processing (which would result in ring content in .overlays). We must ensure that the stage 2 code of xip_customize gets merged on the HB side to enable processing of .overlays content before we actually add any Gptr initfiles for the .overlays section into EKB. Change-Id: I1b7b040513f161be6bd8b2c594be1edb254a7cd5 Original-Change-Id: I3d6ab8a9add239c92819613dcae21ef5faf0a1c5 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40591 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com> Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com> Reviewed-by: Sumit Kumar <sumit_kumar@in.ibm.com> Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com> Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55546 CI-Ready: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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