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Enable paging for 64-bit vexpress #1575

Merged
merged 13 commits into from
Jun 13, 2017
Merged

Enable paging for 64-bit vexpress #1575

merged 13 commits into from
Jun 13, 2017

Commits on Jun 13, 2017

  1. core: assert against recursive mutex locking 

    Adds an assert to check that the thread holding a mutex tries to lock it
again.

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
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  2. core: REE_FS: avoid deadlock in ree_fs_create() 

    ree_fs_close() can't be called in ree_fs_create() cleanup as
ree_fs_close() tries to acquire the mutex already acquired in
ree_fs_create(). Copy relevant content from ree_fs_close() instead.

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
    jenswi-linaro committed Jun 13, 2017
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  3. ltc: fix 64-bit warning 

    Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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  4. core: make 64-bit tlb invalidation inner shareable 

    Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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  5. core: add dsb instructions for tlb invalidation 

    Adds DSB instructions needed for correct visibility of TLB
invalidations.

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
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  6. core: pager: invalidate tlb when clearing entry 

    When clearing an entry in a translation table corresponding TLB entry
must always be invalidated. With this patch two missing places are
addressed. This fixes problem in xtest regression suite case 1016.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
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  7. core: link script: .bss alignment 

    .bss may need a larger alignment than 8. Instead of trying to guess let
the linker chose it and to avoid having an unaccounted hole before .bss
set __data_end first thing inside the .bss section. This makes sure that
the data section is properly padded out when assembling a paged tee.bin.

Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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  8. core: bugfix tee_pager_release_phys() 

    Fixes the case where less than a page is to be released by ignoring the
request.

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
    jenswi-linaro committed Jun 13, 2017
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  9. core: 64-bit update release_unused_kernel_stack() 

    release_unused_kernel_stack() is called when the pager is enabled when
the state of a thread is saved in order to release unused stack pages.

Update release_unused_kernel_stack() for 64-bit mode.

Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
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  10. core: update 64-bit copy_init from 32-bit version 

    Updates the copy_init part in generic_entry_a64.S from
generic_entry_a32.S

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jenswi-linaro
    jenswi-linaro committed Jun 13, 2017
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  11. core: arm: increase emulated SRAM 

    Increases emulated TrustZone protected SRAM to 448 kB to increase
the pager performance especially for 64-bit mode.

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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    jenswi-linaro committed Jun 13, 2017
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  12. plat-vexpress: enable 64-bit paging 

    Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (Hikey GP)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (Juno AArch64)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (FVP AArch64)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (QEMU AArch64)
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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    jenswi-linaro committed Jun 13, 2017
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  13. travis: compile QEMU v8 with CFG_WITH_PAGER=y 

    Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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    jenswi-linaro committed Jun 13, 2017
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