Commit Graph

13 Commits

Author SHA1 Message Date
Carlo Caione d048faacf2 aarch32: Add header shims to support old file locations
Out-of-tree code can still be using the old file locations. Introduce
header shims to include the headers from the new correct location and
print a warning message.

Add also a new Kconfig symbol to suppress such warning.

The shim will go away after two releases, so make sure to adapt your
application for the new locations.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
2019-12-20 11:40:59 -05:00
Carlo Caione aec9a8c4be arch: arm: Move ARM code to AArch32 sub-directory
Before introducing the code for ARM64 (AArch64) we need to relocate the
current ARM code to a new AArch32 sub-directory. For now we can assume
that no code is shared between ARM and ARM64.

There are no functional changes. The code is moved to the new location
and the file paths are fixed to reflect this change.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
2019-12-20 11:40:59 -05:00
Ioannis Glaropoulos a78e5a267f arch: arm: cmse: re-introduce workaround for typeof
The GNU ARM Embedded "8-2019-q3-update" toolchain
erroneously uses "typeof" instead of "__typeof__".
To work around this we define typeof to be able to
support it.

This reverts commit 01a71eae3d.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2019-09-17 16:31:42 +02:00
Peter Bigot ce3f07954a arch/arm: rearrange for standard use of extern "C"
Consistently place C++ use of extern "C" after all include directives,
within the negative branch of _ASMLANGUAGE if used.

In arch.h the extern "C" in the including context is left active during
include of target-specific mpu headers to avoid more complex
restructuring.

Background from issue #17997:

Declarations that use C linkage should be placed within extern "C"
so the language linkage is correct when the header is included by
a C++ compiler.

Similarly #include directives should be outside the extern "C" to
ensure the language-specific default linkage is applied to any
declarations provided by the included header.

See: https://en.cppreference.com/w/cpp/language/language_linkage
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
2019-08-20 00:49:15 +02:00
Ioannis Glaropoulos 01a71eae3d arch: arm: remove redundant definitions of typeof
The typeof definitions in tz.h and cmse.h are not required
any more, as the ARM GCC toolchain intrinsics have been
modified to use __typeof__ directly.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2019-05-20 08:05:17 -05:00
Flavio Ceolin 67ca176754 headers: Fix headers across the project
Any word started with underscore followed by and uppercase letter or a
second underscore is a reserved word according with C99.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-17 15:49:26 -04:00
Ioannis Glaropoulos fe3cd4c8ff arch: arm: convenience wrappers for C variable Non-Secure permissions
Declare and implement convenience wrappers to evaluate Non-Secure
read and write permissions of C variables using the cmse address
range intrinsics.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-06-15 13:14:27 +02:00
Ioannis Glaropoulos 879366120e arch: arm: implement cmse address range check (secure)
This commit contributes the implementation of the CMSE
address range permission checks based on the ARMv8-M
address range check intrinsics exlusicely for Secure state.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-06-15 13:14:27 +02:00
Ioannis Glaropoulos d426adccaa arch: arm: refactor function to align with the adopted api
Refactor arm_cmse_mpu_region_get(.) function, so its signature,
documentation, and implementation align with the rest of functions
for obtaining MPU, SAU and IDAU region numbers via the TT instruction.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-06-15 13:14:27 +02:00
Ioannis Glaropoulos f630559e81 arch: arm: Define and implement API for test target (Secure)
This commit defines and implements an internal ARMv8-M API
that allows the user to evaluate access permissions of memory
locations, based on the ARMv8-M Tests Target (TT, TTA)
instruction support (for Secure requests).

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-06-15 13:14:27 +02:00
Ioannis Glaropoulos b8ec6da38f arch: arm: convenience wrappers for C variable permissions checks
Declare and implement convenience wrappers to evaluate read and
write permissions of C variables using the cmse address range
intrinsics.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-05-17 07:52:34 -07:00
Ioannis Glaropoulos 8e0c830dce arch: arm: implement cmse address range check
This commit contributes the implementation of the
CMSE address range permission checks based on the
ARMv8-M address range check intrinsics.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-05-17 07:52:34 -07:00
Ioannis Glaropoulos c842f32ddd arch: arm: Define & implement API for test target (Non-Secure)
This commit defines and implements an internal ARMv8-M API
that allows the user to evaluate access permissions of memory
locations, based on the ARMv8-M Test Target (TT) instruction
support.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
2018-05-17 07:52:34 -07:00