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Diffstat (limited to 'llvm/docs/AMDGPU/gfx7_msg.rst')
| -rw-r--r-- | llvm/docs/AMDGPU/gfx7_msg.rst | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/llvm/docs/AMDGPU/gfx7_msg.rst b/llvm/docs/AMDGPU/gfx7_msg.rst new file mode 100644 index 00000000000..ad5fd7f640e --- /dev/null +++ b/llvm/docs/AMDGPU/gfx7_msg.rst @@ -0,0 +1,72 @@ +.. + ************************************************** + * * + * Automatically generated file, do not edit! * + * * + ************************************************** + +.. _amdgpu_synid7_msg: + +msg +=========================== + +A 16-bit message code. The bits of this operand have the following meaning: + + ============ ====================================================== + Bits Description + ============ ====================================================== + 3:0 Message *type*. + 6:4 Optional *operation*. + 9:7 Optional *parameters*. + 15:10 Unused. + ============ ====================================================== + +This operand may be specified as a positive 16-bit :ref:`integer_number<amdgpu_synid_integer_number>` or using the syntax described below: + + ======================================== ======================================================================== + Syntax Description + ======================================== ======================================================================== + sendmsg(<*type*>) A message identified by its *type*. + sendmsg(<*type*>, <*op*>) A message identified by its *type* and *operation*. + sendmsg(<*type*>, <*op*>, <*stream*>) A message identified by its *type* and *operation* with a stream *id*. + ======================================== ======================================================================== + +*Type* may be specified using message *name* or message *id*. + +*Op* may be specified using operation *name* or operation *id*. + +Stream *id* is an integer in the range 0..3. + +Message *id*, operation *id* and stream *id* must be specified as positive :ref:`integer numbers<amdgpu_synid_integer_number>`. + +Each message type supports specific operations: + + ================= ========== ============================== ============ ========== + Message name Message Id Supported Operations Operation Id Stream Id + ================= ========== ============================== ============ ========== + MSG_INTERRUPT 1 \- \- \- + MSG_GS 2 GS_OP_CUT 1 Optional + \ GS_OP_EMIT 2 Optional + \ GS_OP_EMIT_CUT 3 Optional + MSG_GS_DONE 3 GS_OP_NOP 0 \- + \ GS_OP_CUT 1 Optional + \ GS_OP_EMIT 2 Optional + \ GS_OP_EMIT_CUT 3 Optional + MSG_SYSMSG 15 SYSMSG_OP_ECC_ERR_INTERRUPT 1 \- + \ SYSMSG_OP_REG_RD 2 \- + \ SYSMSG_OP_HOST_TRAP_ACK 3 \- + \ SYSMSG_OP_TTRACE_PC 4 \- + ================= ========== ============================== ============ ========== + +Examples: + +.. code-block:: nasm + + s_sendmsg 0x12 + s_sendmsg sendmsg(MSG_INTERRUPT) + s_sendmsg sendmsg(2, GS_OP_CUT) + s_sendmsg sendmsg(MSG_GS, GS_OP_EMIT) + s_sendmsg sendmsg(MSG_GS, 2) + s_sendmsg sendmsg(MSG_GS_DONE, GS_OP_EMIT_CUT, 1) + s_sendmsg sendmsg(MSG_SYSMSG, SYSMSG_OP_TTRACE_PC) + |
