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1..2    **************************************************3    *                                                *4    *   Automatically generated file, do not edit!   *5    *                                                *6    **************************************************7 8.. _amdgpu_synid_gfx10_hwreg:9 10hwreg11=====12 13Bits of a hardware register being accessed.14 15The bits of this operand have the following meaning:16 17    ======= ===================== ============18    Bits    Description           Value Range19    ======= ===================== ============20    5:0     Register *id*.        0..6321    10:6    First bit *offset*.   0..3122    15:11   *Size* in bits.       1..3223    ======= ===================== ============24 25This operand may be specified as one of the following:26 27* An :ref:`integer_number<amdgpu_synid_integer_number>` or an :ref:`absolute_expression<amdgpu_synid_absolute_expression>`. The value must be in the range from 0 to 0xFFFF.28* An *hwreg* value which is described below.29 30    ==================================== ===============================================================================31    Hwreg Value Syntax                   Description32    ==================================== ===============================================================================33    hwreg({0..63})                       All bits of a register indicated by the register *id*.34    hwreg(<*name*>)                      All bits of a register indicated by the register *name*.35    hwreg({0..63}, {0..31}, {1..32})     Register bits indicated by the register *id*, first bit *offset* and *size*.36    hwreg(<*name*>, {0..31}, {1..32})    Register bits indicated by the register *name*, first bit *offset* and *size*.37    ==================================== ===============================================================================38 39Numeric values may be specified as positive :ref:`integer numbers<amdgpu_synid_integer_number>`40or :ref:`absolute expressions<amdgpu_synid_absolute_expression>`.41 42Predefined register *names* include:43 44    ============================== ==========================================45    Name                           Description46    ============================== ==========================================47    HW_REG_MODE                    Shader writable mode bits.48    HW_REG_STATUS                  Shader read-only status.49    HW_REG_TRAPSTS                 Trap status.50    HW_REG_HW_ID1                  Id of wave, simd, compute unit, etc.51    HW_REG_HW_ID2                  Id of queue, pipeline, etc.52    HW_REG_GPR_ALLOC               Per-wave SGPR and VGPR allocation.53    HW_REG_LDS_ALLOC               Per-wave LDS allocation.54    HW_REG_IB_STS                  Counters of outstanding instructions.55    HW_REG_SH_MEM_BASES            Memory aperture.56    HW_REG_TBA_LO                  tba_lo register.57    HW_REG_TBA_HI                  tba_hi register.58    HW_REG_TMA_LO                  tma_lo register.59    HW_REG_TMA_HI                  tma_hi register.60    HW_REG_FLAT_SCR_LO             flat_scratch_lo register.61    HW_REG_FLAT_SCR_HI             flat_scratch_hi register.62    HW_REG_XNACK_MASK              xnack_mask register.63    HW_REG_POPS_PACKER             pops_packer register.64    ============================== ==========================================65 66Examples:67 68.. parsed-literal::69 70    reg = 171    offset = 272    size = 473    hwreg_enc = reg | (offset << 6) | ((size - 1) << 11)74 75    s_getreg_b32 s2, 0x188176    s_getreg_b32 s2, hwreg_enc                     // the same as above77    s_getreg_b32 s2, hwreg(1, 2, 4)                // the same as above78    s_getreg_b32 s2, hwreg(reg, offset, size)      // the same as above79 80    s_getreg_b32 s2, hwreg(15)81    s_getreg_b32 s2, hwreg(51, 1, 31)82    s_getreg_b32 s2, hwreg(HW_REG_LDS_ALLOC, 0, 1)83