arm 的 SMCCC

SMCCC文档https://support.arm.com/documentation/den0028/latesthttps://developer.arm.com/docs/den0028/latest 和上面链接一样SMC exceptions:https://support.arm.com/documentation/102418/0102/TrustZone-in-the-processor/SMC-exceptionsSMC call 指令:https://support.arm.com/documentation/ddi0602/2026-06/Base-Instructions/SMC--Secure-monitor-call-arm-smccc.h:https://github.com/torvalds/linux/blame/master/include/linux/arm-smccc.harch/arm64/kernel/smccc-call.Shttps://github.com/torvalds/linux/blob/master/arch/arm64/kernel/smccc-call.S