since all other special register operation in irq.h Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
inline the up_interrupt_context() to avoid unnecessary stack pushes Signed-off-by: chao.an <anchao@xiaomi.com>
includes following parts: add support of sparc in arch/Kconfig add support of sparc in boards/Kconfig add sparc dir in arch, add sparc dir in boards add support of sparc in libs/libc/machine modify all the coding style problem about saprc