| // Copyright 2020 The Fuchsia Authors |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| |
| #ifndef ZIRCON_KERNEL_LIB_ARCH_INCLUDE_LIB_ARCH_ARM64_NOP_H_ |
| #define ZIRCON_KERNEL_LIB_ARCH_INCLUDE_LIB_ARCH_ARM64_NOP_H_ |
| |
| #include <lib/stdcompat/span.h> |
| |
| #include <array> |
| |
| namespace arch { |
| |
| // Encodes information on the arm64 `nop` instruction. |
| // See //zircon/kernel/lib/arch/include/lib/arch/nop.h for expectations for |
| // the static members of this struct. |
| struct Arm64NopTraits { |
| // [arm/v8]: C6.2.203 NOP. |
| static constexpr uint32_t kNop[] = {0xd503201f}; |
| |
| static constexpr std::array<cpp20::span<const uint32_t>, 1> kNopPatterns = {{kNop}}; |
| }; |
| |
| } // namespace arch |
| |
| #endif // ZIRCON_KERNEL_LIB_ARCH_INCLUDE_LIB_ARCH_ARM64_NOP_H_ |
