[coreboot-gerrit] Patch merged into coreboot/master: e197748 arch/armv7: Add API to disable MMU pages.

gerrit at coreboot.org gerrit at coreboot.org
Wed Apr 22 08:58:51 CEST 2015


the following patch was just integrated into master:
commit e1977482638f71904cecb5b251ee687107acdce4
Author: Deepa Dinamani <deepad at codeaurora.org>
Date:   Wed Jan 28 14:15:56 2015 -0800

    arch/armv7: Add API to disable MMU pages.
    
    Disables 4K regions in the MMU table.
    Assumes that the region is already accounted for by the first level page table entry.
    
    BRANCH=storm
    BUG=chrome-os-partner:24786
    TEST=verified mmu.pagetable.list output for Storm:
    
    _______address___________|_physical________________|sec|_d_|_size____|_permissions____________________|_glb|_shr|_pageflags______________________|
         C:00000000--00000FFF|                         |   |   |         |                                |    |    |                                |
         C:00001000--000FFFFF|  A:00:00001000--000FFFFF| ns| 00| 00001000| P:readwrite U:readwrite notexec| yes| no | strongly ordered               |
         C:00100000--29FFFFFF|  A:00:00100000--29FFFFFF| ns| 00| 00100000| P:readwrite U:readwrite notexec| yes| no | strongly ordered               |
         C:2A000000--2A05FFFF|  A:00:2A000000--2A05FFFF| ns| 00| 00001000| P:readwrite U:readwrite exec   | yes| no | write-back/no write alloc      |
         C:2A060000--2A0FFFFF|  A:00:2A060000--2A0FFFFF| ns| 00| 00001000| P:readwrite U:readwrite notexec| yes| no | strongly ordered               |
         C:2A100000--3FFFFFFF|  A:00:2A100000--3FFFFFFF| ns| 00| 00100000| P:readwrite U:readwrite notexec| yes| no | strongly ordered               |
         C:40000000--59FFFFFF|  A:00:40000000--59FFFFFF| ns| 00| 00100000| P:readwrite U:readwrite exec   | yes| no | write-back/no write alloc      |
         C:5A000000--5A1FFFFF|  A:00:5A000000--5A1FFFFF| ns| 00| 00100000| P:readwrite U:readwrite notexec| yes| no | strongly ordered               |
         C:5A200000--7FFFFFFF|  A:00:5A200000--7FFFFFFF| ns| 00| 00100000| P:readwrite U:readwrite exec   | yes| no | write-back/no write alloc      |
         C:80000000--FFFFFFFF|                         |   |   |         |                                |    |    |                                |
    
    Change-Id: Ib603da91966cc4c70ea9d5fee04f1e9890d0bb93
    Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
    Original-Commit-Id: 67db80e6476d8ed35f0a9d1e0d3ca03612b9d9be
    Original-Change-Id: I6b149c7edbd975231b783cc53ddb63cf2e94052c
    Original-Signed-off-by: Vikas Das <vdas at codeaurora.org>
    Original-Reviewed-on: https://chromium-review.googlesource.com/253800
    Original-Reviewed-by: Julius Werner <jwerner at chromium.org>
    Original-Tested-by: Deepa Dinamani <deepad at codeaurora.org>
    Original-Commit-Queue: Deepa Dinamani <deepad at codeaurora.org>
    Reviewed-on: http://review.coreboot.org/9912
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer <stefan.reinauer at coreboot.org>


See http://review.coreboot.org/9912 for details.

-gerrit



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