xref: /freebsd/contrib/llvm-project/llvm/lib/Target/AMDGPU/Utils/AMDKernelCodeTUtils.h (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1 //===- AMDGPUKernelCodeTUtils.h - helpers for amd_kernel_code_t -*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 /// \file AMDKernelCodeTUtils.h
10 /// MC layer struct for AMDGPUMCKernelCodeT, provides MCExpr functionality where
11 /// required.
12 ///
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCKERNELCODET_H
17 #define LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCKERNELCODET_H
18 
19 #include "AMDKernelCodeT.h"
20 #include "llvm/ADT/ArrayRef.h"
21 #include "llvm/ADT/StringRef.h"
22 
23 namespace llvm {
24 class MCAsmParser;
25 class MCContext;
26 class MCExpr;
27 class MCStreamer;
28 class MCSubtargetInfo;
29 class raw_ostream;
30 namespace AMDGPU {
31 
32 struct AMDGPUMCKernelCodeT {
33   AMDGPUMCKernelCodeT() = default;
34 
35   // Names of most (if not all) members should match the ones used for table
36   // driven (array) generation in AMDKernelCodeTInfo.h.
37   uint32_t amd_kernel_code_version_major = 0;
38   uint32_t amd_kernel_code_version_minor = 0;
39   uint16_t amd_machine_kind = 0;
40   uint16_t amd_machine_version_major = 0;
41   uint16_t amd_machine_version_minor = 0;
42   uint16_t amd_machine_version_stepping = 0;
43   int64_t kernel_code_entry_byte_offset = 0;
44   int64_t kernel_code_prefetch_byte_offset = 0;
45   uint64_t kernel_code_prefetch_byte_size = 0;
46   uint64_t reserved0 = 0;
47   uint64_t compute_pgm_resource_registers = 0;
48   uint32_t code_properties = 0;
49   uint32_t workgroup_group_segment_byte_size = 0;
50   uint32_t gds_segment_byte_size = 0;
51   uint64_t kernarg_segment_byte_size = 0;
52   uint32_t workgroup_fbarrier_count = 0;
53   uint16_t reserved_vgpr_first = 0;
54   uint16_t reserved_vgpr_count = 0;
55   uint16_t reserved_sgpr_first = 0;
56   uint16_t reserved_sgpr_count = 0;
57   uint16_t debug_wavefront_private_segment_offset_sgpr = 0;
58   uint16_t debug_private_segment_buffer_sgpr = 0;
59   uint8_t kernarg_segment_alignment = 0;
60   uint8_t group_segment_alignment = 0;
61   uint8_t private_segment_alignment = 0;
62   uint8_t wavefront_size = 0;
63   int32_t call_convention = 0;
64   uint8_t reserved3[12] = {0};
65   uint64_t runtime_loader_kernel_symbol = 0;
66   uint64_t control_directives[16] = {0};
67 
68   const MCExpr *compute_pgm_resource1_registers = nullptr;
69   const MCExpr *compute_pgm_resource2_registers = nullptr;
70 
71   const MCExpr *is_dynamic_callstack = nullptr;
72   const MCExpr *wavefront_sgpr_count = nullptr;
73   const MCExpr *workitem_vgpr_count = nullptr;
74   const MCExpr *workitem_private_segment_byte_size = nullptr;
75 
76   void initDefault(const MCSubtargetInfo *STI, MCContext &Ctx,
77                    bool InitMCExpr = true);
78   void validate(const MCSubtargetInfo *STI, MCContext &Ctx);
79 
80   const MCExpr *&getMCExprForIndex(int Index);
81 
82   bool ParseKernelCodeT(StringRef ID, MCAsmParser &MCParser, raw_ostream &Err);
83   void EmitKernelCodeT(raw_ostream &OS, MCContext &Ctx);
84   void EmitKernelCodeT(MCStreamer &OS, MCContext &Ctx);
85 };
86 
87 } // end namespace AMDGPU
88 } // end namespace llvm
89 
90 #endif // LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCKERNELCODET_H
91