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Large tee ram va size #1669

Merged
merged 10 commits into from
Aug 29, 2017
Merged

Large tee ram va size #1669

merged 10 commits into from
Aug 29, 2017

Commits on Aug 29, 2017

  1. core: make tee_mm_vcore cover TEE_RAM only 

    Prior to this patch was tee_mm_vcore initialized to cover the complete
page directories covering TEE_RAM. With this patch tee_mm_vcore will
only cover TEE_RAM in order to avoid returning unexpected addresses when
allocating.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
    @jenswi-linaro
    jenswi-linaro committed Aug 29, 2017
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  2. core: add CORE_MMU_PGDIR_LEVEL 

    Adds the define CORE_MMU_PGDIR_LEVEL which indicates the level used for
page directories.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
    @jenswi-linaro
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  3. core: pager: hide tee_pager_tbl_info 

    Hides tee_pager_tbl_info and provides new needed functions.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
    @jenswi-linaro
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  4. core: pager: update tee_pager_add_core_area() 

    All failures in tee_pager_add_core_area() are fatal. Replaces return
code with void and panics on errors instead.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
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  5. core: add MEM_AREA_PAGER_VASPACE 

    Adds MEM_AREA_PAGER_VASPACE which is used to create empty translation
tables as needed for the pager.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
    @jenswi-linaro
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  6. core: pager: move some internal functions 

    Moves some internal functions inside the pager code to prepare for a
future commit.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
    @jenswi-linaro
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  7. core: pager: free pages across multiple areas 

    Changes tee_pager_release_phys() to handle freeing a range of pages spanning
multiple areas.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
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  8. core: pager: deal with large CFG_TEE_RAM_VA_SIZE 

    Deals with CFG_TEE_RAM_VA_SIZE > CORE_MMU_PGDIR_SIZE. This is a special
problem as the pages managed by the pager then spans several translation
tables.

Reviewed-by: Etienne Carriere <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
    @jenswi-linaro
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  9. core: plat-vexpress: increase CFG_TEE_RAM_VA_SIZE 

    Increases CFG_TEE_RAM_VA_SIZE to 2 MiB for the plat-vexpress platforms.

Reviewed-by: Etienne Carriere <[email protected]>
Tested-by: Jens Wiklander <[email protected]> (QEMU v7)
Signed-off-by: Jens Wiklander <[email protected]>
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  10. core: plat-hikey: increase CFG_TEE_RAM_VA_SIZE 

    Increases CFG_TEE_RAM_VA_SIZE to 2 MiB for the plat-hikey platform.

Acked-by: Jerome Forissier <[email protected]>
Tested-by: Jens Wiklander <[email protected]> (Hikey)
Signed-off-by: Jens Wiklander <[email protected]>
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