mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-26 22:42:46 +02:00
c6bc4ec163
Reviewers: arsenm, grosbach, rafael Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D12424 llvm-svn: 248619
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
//===-- AMDGPUBaseInfo.cpp - AMDGPU Base encoding information--------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#include "AMDGPUBaseInfo.h"
|
|
#include "llvm/MC/MCContext.h"
|
|
#include "llvm/MC/MCSectionELF.h"
|
|
#include "llvm/MC/SubtargetFeature.h"
|
|
|
|
#define GET_SUBTARGETINFO_ENUM
|
|
#include "AMDGPUGenSubtargetInfo.inc"
|
|
#undef GET_SUBTARGETINFO_ENUM
|
|
|
|
namespace llvm {
|
|
namespace AMDGPU {
|
|
|
|
IsaVersion getIsaVersion(const FeatureBitset &Features) {
|
|
|
|
if (Features.test(FeatureISAVersion7_0_0))
|
|
return {7, 0, 0};
|
|
|
|
if (Features.test(FeatureISAVersion7_0_1))
|
|
return {7, 0, 1};
|
|
|
|
if (Features.test(FeatureISAVersion8_0_0))
|
|
return {8, 0, 0};
|
|
|
|
if (Features.test(FeatureISAVersion8_0_1))
|
|
return {8, 0, 1};
|
|
|
|
return {0, 0, 0};
|
|
}
|
|
|
|
void initDefaultAMDKernelCodeT(amd_kernel_code_t &Header,
|
|
const FeatureBitset &Features) {
|
|
|
|
IsaVersion ISA = getIsaVersion(Features);
|
|
|
|
memset(&Header, 0, sizeof(Header));
|
|
|
|
Header.amd_kernel_code_version_major = 1;
|
|
Header.amd_kernel_code_version_minor = 0;
|
|
Header.amd_machine_kind = 1; // AMD_MACHINE_KIND_AMDGPU
|
|
Header.amd_machine_version_major = ISA.Major;
|
|
Header.amd_machine_version_minor = ISA.Minor;
|
|
Header.amd_machine_version_stepping = ISA.Stepping;
|
|
Header.kernel_code_entry_byte_offset = sizeof(Header);
|
|
// wavefront_size is specified as a power of 2: 2^6 = 64 threads.
|
|
Header.wavefront_size = 6;
|
|
// These alignment values are specified in powers of two, so alignment =
|
|
// 2^n. The minimum alignment is 2^4 = 16.
|
|
Header.kernarg_segment_alignment = 4;
|
|
Header.group_segment_alignment = 4;
|
|
Header.private_segment_alignment = 4;
|
|
}
|
|
|
|
MCSection *getHSATextSection(MCContext &Ctx) {
|
|
return Ctx.getELFSection(".hsatext", ELF::SHT_PROGBITS,
|
|
ELF::SHF_ALLOC | ELF::SHF_WRITE |
|
|
ELF::SHF_EXECINSTR |
|
|
ELF::SHF_AMDGPU_HSA_AGENT |
|
|
ELF::SHF_AMDGPU_HSA_CODE);
|
|
}
|
|
|
|
} // End namespace AMDGPU
|
|
} // End namespace llvm
|