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Haryslee 59e9c6ed73 fix: cortex-m55栈优化 
利用EXC_RETURN可判断出上下文是否使用FPU寄存器，进而确定是否对FPU寄存器进行压栈操作

close #I4SQIQ

Signed-off-by: Haryslee <lihao189@huawei.com>
Change-Id: Ib8b3a8b359486b3b7851278365860be1bfed65f2
 		2022-02-10 21:17:27 +08:00
..
arm9/gcc !555 feat:内核提供Interrupt框架，支持多架构多平台通用化 2022-01-21 09:29:43 +00:00
cortex-m3/keil !555 feat:内核提供Interrupt框架，支持多架构多平台通用化 2022-01-21 09:29:43 +00:00
cortex-m4 !555 feat:内核提供Interrupt框架，支持多架构多平台通用化 2022-01-21 09:29:43 +00:00
cortex-m7 !555 feat:内核提供Interrupt框架，支持多架构多平台通用化 2022-01-21 09:29:43 +00:00
cortex-m33 !555 feat:内核提供Interrupt框架，支持多架构多平台通用化 2022-01-21 09:29:43 +00:00
cortex-m55/gcc fix: cortex-m55栈优化 2022-02-10 21:17:27 +08:00
include chore: move kernel/arch to arch 2021-11-16 00:45:24 +08:00
BUILD.gn chore(build): optimize build scripts 2021-12-05 02:29:49 +08:00
Kconfig feat: 支持cortex-m55 2022-01-28 15:40:37 +08:00