.. ************************************************** * * * Automatically generated file, do not edit! * * * ************************************************** .. _amdgpu_synid_gfx90a_hwreg: hwreg ===== Bits of a hardware register being accessed. The bits of this operand have the following meaning: ======= ===================== ============ Bits Description Value Range ======= ===================== ============ 5:0 Register *id*. 0..63 10:6 First bit *offset*. 0..31 15:11 *Size* in bits. 1..32 ======= ===================== ============ This operand may be specified as one of the following: * An :ref:`integer_number` or an :ref:`absolute_expression`. The value must be in the range 0..0xFFFF. * An *hwreg* value described below. ==================================== ============================================================================ Hwreg Value Syntax Description ==================================== ============================================================================ hwreg({0..63}) All bits of a register indicated by its *id*. hwreg(<*name*>) All bits of a register indicated by its *name*. hwreg({0..63}, {0..31}, {1..32}) Register bits indicated by register *id*, first bit *offset* and *size*. hwreg(<*name*>, {0..31}, {1..32}) Register bits indicated by register *name*, first bit *offset* and *size*. ==================================== ============================================================================ Numeric values may be specified as positive :ref:`integer numbers` or :ref:`absolute expressions`. Defined register *names* include: =================== ========================================== Name Description =================== ========================================== HW_REG_MODE Shader writeable mode bits. HW_REG_STATUS Shader read-only status. HW_REG_TRAPSTS Trap status. HW_REG_HW_ID Id of wave, simd, compute unit, etc. HW_REG_GPR_ALLOC Per-wave SGPR and VGPR allocation. HW_REG_LDS_ALLOC Per-wave LDS allocation. HW_REG_IB_STS Counters of outstanding instructions. HW_REG_SH_MEM_BASES Memory aperture. =================== ========================================== Examples: .. parsed-literal:: reg = 1 offset = 2 size = 4 hwreg_enc = reg | (offset << 6) | ((size - 1) << 11) s_getreg_b32 s2, 0x1881 s_getreg_b32 s2, hwreg_enc // the same as above s_getreg_b32 s2, hwreg(1, 2, 4) // the same as above s_getreg_b32 s2, hwreg(reg, offset, size) // the same as above s_getreg_b32 s2, hwreg(15) s_getreg_b32 s2, hwreg(51, 1, 31) s_getreg_b32 s2, hwreg(HW_REG_LDS_ALLOC, 0, 1)