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Replace use of readX() and writeX() with io_readX() and io_writeX().
The former are about to be deprecated in favor to the later.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
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Since a while the source files license info are defined by SPDX
identifiers. We can safely remove the verbose license text from the
files that are owned by either only STMicroelectronics or only both
Linaro and STMicroelectronics.
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
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Adds one SPDX-License-Identifier line [1] to each source files that
contains license text.
Generated by [2]:
spdxify.py --add-spdx optee_os/
The scancode tool [3] was used to double check the license matching
code in the Python script. All the licenses detected by scancode are
either detected by spdxify.py, or have no SPDX identifier, or are false
matches.
Link: [1] https://spdx.org/licenses/
Link: [2] https://github.com/jforissier/misc/blob/f7b56c8/spdxify.py
Link: [3] https://github.com/nexB/scancode-toolkit
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Joakim Bech <joakim.bech@linaro.org>
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Initialize the .bss section early from assembler before entering C
code. As a result, the __early_bss qualifier is not needed anymore.
Remove it, as well as the related symbols (__early_bss_start and
__early_bss_end).
This makes the code simpler hence easier to maintain, at the expense
of initialization time, since .bss is cleared before CPU caches are
turned on (and doing it later would mean some C function have been
called already). Here are some performance numbers measured on HiKey.
The "memset" column measures the time it takes to clear .bss in C,
without this patch. The "assembly" column reports the time taken by the
clear_bss loop in this patch. Timings were performed using CNTPCT.
Worst case is a ~1 ms overhead in boot time.
memset(): | assembly:
ms (bytes) | ms (bytes)
--------------+--------------
Aarch64 0.30 (72824) | 0.08 (73528)
Aarch32 0.27 (65016) | 1.24 (65408)
Aarch32/pager 0.03 (11328) | 0.23 (11736)
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (QEMU)
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (HiKey 32/64)
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (HiKey/pager)
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
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Move plat_cpu_reset_late() to C-source.
Move arm_cl2_config() to C-source.
Beautify main.c and rng_support.c.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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fix PL310 iomem mapped unsecure.
fix rng against nonflat mapping.
Tested-by: Etienne Carriere <etienne.carriere@linaro.org> (stm-b2120)
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
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Renames arm32 directories to arm.
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (QEMU)
Reviewed-by: Pascal Brand <pascal.brand@linaro.org>
Tested-by: Pascal Brand <pascal.brand@linaro.org> (QEMU platform)
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