23 Sep 2024 —

ADD (immediate) 将Xn 与imm 相加，结果赋值给Xd，imm 是无符号数，范围为0 - 4095。 shift 是对imm 进行移位，shift 为0 的时候，表示左移.. brk causes a synchronous exception.

On AArch64 (and AArch32 HYP mode) you get the number in the ISS field of the exception syndrome register .... Implementing bitwise operations in hardware is relatively cheap. Mnemonic, Operands, Instruction. AND{S} (immediate), Rd, Rn, #imm, Bitwise AND ....

The kernel build system · Reporting issues · User-space tools · The Linux kernel user-space ... ID_AA64ZFR0_EL1.I8MM == 0b0001 表示有此功能。 HWCAP2_SVEF32MM..

... AArch64架构，除了新增A64(ARM 64bit)指令集外，也扩充了现有的A32(ARM ...

AArch32 App. 64-bit. 32-bit.

X0. R0. X20. LR_adt.

X1. R1.

X21. SP_abt. X2..