99c0a73f91
d0488d932 oaknut: 2.0.0 40ad78bbf oaknut: Implement DualCodeBlock and related support 9f131cfb5 oaknut: add configuration for standalone installation 69799b43c oaknut: Test building for Android on CI 1d51f5512 oaknut: 1.2.2 918bd94f0 oaknut: Eliminate -Wconversion warnings 316d8869e oaknut: Fix edgecases in MOVP2R on +/-4GiB boundary d8634eaa1 oaknut: Fix page boundary error in ADP d0ca9a24e oaknut: Update README examples for CPU feature detection dbeec268b oaknut: feature_detection_freebsd: Warn about incompatibility with earlier FreeBSD versions 86e5386e2 oaknut: feature_detect: Support NetBSD df4cf2d48 oaknut: feature_detect: Support OpenBSD 99dfff25a oaknut: feature_detection: Read ID registers 319b3d2c9 oaknut: Add basic CPU feature detection 23e9ddb4c oaknut: CI: Don't run slow tests on OpenBSD 734f1bdb4 oaknut: CI: Use up-to-date qemu f462c9774 oaknut: CI: Build on OpenBSD 19cd42204 oaknut: code_block: Add NetBSD and OpenBSD support 18b86a3ec oaknut: SystemReg: Add more EL0 accessible registers 53c43bf0c oaknut/tests: Reduce iterations for MOVP2R cc37df19e oaknut: Test on FreeBSD a66b32d26 oaknut: Fix crossing sign boundary in PageOffset 206468d72 oaknut: CI: Add macos-arm64 build e6eecc3f9 oaknut: 1.2.1 4252d8f4a oaknut: CMakeLists: Warnings are errors on MSVC 408eed65f oaknut: arm64_encode_helpers: remove unreachable code bfc8eedfb oaknut: arm64_encode_helpers: p maybe unused ff4456eca oaknut: Avoid negation of unsigned values b4ac8fd6c oaknut: Fix MOV for applications of MOVN 0575cadc4 oaknut: Disable certain functionality where absolute addressing is not available 394a3c8f0 oaknut: Appease MSVC 011183670 oaknut: 1.2.0 e83c9f327 oaknut: Add VectorCodeGenerator 5eb122cc5 oaknut: Tidy up public header 45c5a7b25 oaknut: Fix clang-format errors 36243256f oaknut: Add `const` qualifier to `AddrOffset` ctor 4af500cb5 oaknut: Add `ptr` accessor to `Label` bccb06669 oaknut: CodeGenerator const correctness da0590a86 oaknut: github: Update package repositories git-subtree-dir: externals/oaknut git-subtree-split: d0488d9320ae673167dd9117223e3453d5ff102f
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
#include <cstdint>
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#include "oaknut/feature_detection/id_registers.hpp"
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namespace oaknut::id {
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inline IdRegisters read_id_registers_directly()
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{
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std::uint64_t midr, pfr0, pfr1, pfr2, isar0, isar1, isar2, isar3, mmfr0, mmfr1, mmfr2, mmfr3, mmfr4, zfr0, smfr0;
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#define OAKNUT_READ_REGISTER(reg, var) \
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__asm__("mrs %0, " #reg \
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: "=r"(var))
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OAKNUT_READ_REGISTER(s3_0_c0_c0_0, midr);
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OAKNUT_READ_REGISTER(s3_0_c0_c4_0, pfr0);
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OAKNUT_READ_REGISTER(s3_0_c0_c4_1, pfr1);
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OAKNUT_READ_REGISTER(s3_0_c0_c4_2, pfr2);
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OAKNUT_READ_REGISTER(s3_0_c0_c4_4, zfr0);
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OAKNUT_READ_REGISTER(s3_0_c0_c4_5, smfr0);
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OAKNUT_READ_REGISTER(s3_0_c0_c6_0, isar0);
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OAKNUT_READ_REGISTER(s3_0_c0_c6_1, isar1);
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OAKNUT_READ_REGISTER(s3_0_c0_c6_2, isar2);
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OAKNUT_READ_REGISTER(s3_0_c0_c6_3, isar3);
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OAKNUT_READ_REGISTER(s3_0_c0_c7_0, mmfr0);
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OAKNUT_READ_REGISTER(s3_0_c0_c7_1, mmfr1);
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OAKNUT_READ_REGISTER(s3_0_c0_c7_2, mmfr2);
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OAKNUT_READ_REGISTER(s3_0_c0_c7_3, mmfr3);
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OAKNUT_READ_REGISTER(s3_0_c0_c7_4, mmfr4);
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#undef OAKNUT_READ_ID_REGISTER
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return IdRegisters{
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midr,
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Pfr0Register{pfr0},
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Pfr1Register{pfr1},
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Pfr2Register{pfr2},
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Zfr0Register{zfr0},
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Smfr0Register{smfr0},
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Isar0Register{isar0},
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Isar1Register{isar1},
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Isar2Register{isar2},
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Isar3Register{isar3},
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Mmfr0Register{mmfr0},
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Mmfr1Register{mmfr1},
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Mmfr2Register{mmfr2},
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Mmfr3Register{mmfr3},
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Mmfr4Register{mmfr4},
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};
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}
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} // namespace oaknut::id
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