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16 Commits

Author SHA1 Message Date
Xiang Xiao
25213c42a5 arch/arm: Remove the empty spinlock.h file 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-25 09:18:53 +09:00
Alin Jerpelea
c39339a7a8 arch: arm: include: nxstyle fixes 
nxstyle fixes to pass CI

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2021-03-22 19:28:38 -07:00
Alin Jerpelea
4daa276903 arch: arm: include: Author Gregory Nutt: update licenses to Apache 
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2021-03-22 19:28:38 -07:00
Masayuki Ishikawa
6158b6b77b spinlock: Introduce SP_WFE() and SP_SEV() 
Summary:
- This commit introduces SP_WFE() and SP_SEV() to be used for spinlock
- Also, use wfe/sev instructions for ARMV7-A to reduce power consumption

Impact:
- ARMV7-a SMP only

Testing:
- sabre-6quad:smp (QEMU, dev board)
- maix-bit:smp, esp32-devkitc:smp, spresense:smp sim:smp (compile only)

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
 2020-12-11 05:58:35 -06:00
Xiang Xiao
d078518502 arch/arm: Should include arch/armv8-m/spinlock.h when CONFIG_ARCH_ARMV8M is defined 
forget in commit 2376d8a266
Author: qiaowei <qiaowei@xiaomi.com>
Date:   Wed Apr 22 10:09:50 2020 +0800

    Porting arch/armv8-m support

    1. Add dsp extension; float point based on hardware and software.
    2. Delete folder "iar"
    3. Add tool chain for cortex-M23 and cortex-M35p

    Signed-off-by: qiaowei <qiaowei@xiaomi.com>
    Change-Id: I5bfc78abb025adb0ad4fae37e2b444915f477fe7

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-09-22 23:05:29 +01:00
Xiang Xiao
7faf72cabc arch/arm: Add ARCH_ARMV6M Kconfig to prepare the support of CortexM0+ 
also align with the armv7m implementation

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-09-22 23:05:29 +01:00
Juha Niskanen
a762c06ed9 Fix typos and some incorrect comments 
Author: Alan Carvalho de Assis <acassis@gmail.com>

    Run nxstyle against .c and .h files and fix it

Author: Juha Niskanen <juha.niskanen@haltian.com>

    Fix typos and some incorrect comments
 2020-01-20 09:32:36 -03:00
Juha Niskanen
ebc6f51641 Fix some typos 2019-09-17 10:46:23 -06:00
zhangyuan7
471a18ee4d arch/arm: Add the initial cortex-a7 archtiecture support 2019-03-19 11:51:29 -06:00
Xiang Xiao
2f208fdde8 arch/Kconfig: Move FPU options to a common place and unify the usage by removing ARCH_CORTEXRxF. 2019-03-19 10:26:15 -06:00
Gregory Nutt
1e59d9dd14 armv7-a, armv7-r, armv7-m: Add atomic read-add-write and read-subtract-write functions. 2018-02-04 12:22:03 -06:00
Gregory Nutt
aae306e942 i.MX6 SMP: Inter-CPU data no saved in a non-cacheable region. 2016-11-26 12:04:02 -06:00
Gregory Nutt
f53e48199f Simplify and document some macros 2016-11-21 13:12:43 -06:00
Gregory Nutt
558784d06f Spinlocks: Added capability to provide architecture-specific memory barriers. This was for i.MX6 but does not help with the SMP problems. It is still a good feature. 2016-11-21 11:55:59 -06:00
Gregory Nutt
48fb97e7b5 More of the same cloned typo 2016-10-19 10:11:45 -06:00
Gregory Nutt
5d449e9991 Add spinlock support for ARMv7-A architectures 2016-02-09 12:53:10 -06:00