diff options
Diffstat (limited to '')
-rw-r--r-- | src/common/CMakeLists.txt | 1 | ||||
-rw-r--r-- | src/common/bit_cast.h | 22 | ||||
-rw-r--r-- | src/common/logging/backend.cpp | 1 | ||||
-rw-r--r-- | src/common/logging/log.h | 1 | ||||
-rw-r--r-- | src/common/page_table.cpp | 2 | ||||
-rw-r--r-- | src/common/page_table.h | 14 | ||||
-rw-r--r-- | src/common/virtual_buffer.cpp | 4 | ||||
-rw-r--r-- | src/common/virtual_buffer.h | 36 |
8 files changed, 68 insertions, 13 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index 207c7a0a6..d20e6c3b5 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -102,6 +102,7 @@ add_library(common STATIC atomic_ops.h detached_tasks.cpp detached_tasks.h + bit_cast.h bit_field.h bit_util.h cityhash.cpp diff --git a/src/common/bit_cast.h b/src/common/bit_cast.h new file mode 100644 index 000000000..a32a063d1 --- /dev/null +++ b/src/common/bit_cast.h @@ -0,0 +1,22 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <cstring> +#include <type_traits> + +namespace Common { + +template <typename To, typename From> +[[nodiscard]] std::enable_if_t<sizeof(To) == sizeof(From) && std::is_trivially_copyable_v<From> && + std::is_trivially_copyable_v<To>, + To> +BitCast(const From& src) noexcept { + To dst; + std::memcpy(&dst, &src, sizeof(To)); + return dst; +} + +} // namespace Common diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp index 90dfa22ca..7859344b9 100644 --- a/src/common/logging/backend.cpp +++ b/src/common/logging/backend.cpp @@ -222,6 +222,7 @@ void DebuggerBackend::Write(const Entry& entry) { SUB(Service, NPNS) \ SUB(Service, NS) \ SUB(Service, NVDRV) \ + SUB(Service, OLSC) \ SUB(Service, PCIE) \ SUB(Service, PCTL) \ SUB(Service, PCV) \ diff --git a/src/common/logging/log.h b/src/common/logging/log.h index 13a4f1e30..835894918 100644 --- a/src/common/logging/log.h +++ b/src/common/logging/log.h @@ -95,6 +95,7 @@ enum class Class : ClassType { Service_NPNS, ///< The NPNS service Service_NS, ///< The NS services Service_NVDRV, ///< The NVDRV (Nvidia driver) service + Service_OLSC, ///< The OLSC service Service_PCIE, ///< The PCIe service Service_PCTL, ///< The PCTL (Parental control) service Service_PCV, ///< The PCV service diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp index e5d3090d5..bccea0894 100644 --- a/src/common/page_table.cpp +++ b/src/common/page_table.cpp @@ -8,7 +8,7 @@ namespace Common { PageTable::PageTable() = default; -PageTable::~PageTable() = default; +PageTable::~PageTable() noexcept = default; void PageTable::Resize(std::size_t address_space_width_in_bits, std::size_t page_size_in_bits, bool has_attribute) { diff --git a/src/common/page_table.h b/src/common/page_table.h index cf5eed780..9754fabf9 100644 --- a/src/common/page_table.h +++ b/src/common/page_table.h @@ -4,9 +4,7 @@ #pragma once -#include <vector> - -#include <boost/icl/interval_map.hpp> +#include <tuple> #include "common/common_types.h" #include "common/memory_hook.h" @@ -51,13 +49,21 @@ struct SpecialRegion { */ struct PageTable { PageTable(); - ~PageTable(); + ~PageTable() noexcept; + + PageTable(const PageTable&) = delete; + PageTable& operator=(const PageTable&) = delete; + + PageTable(PageTable&&) noexcept = default; + PageTable& operator=(PageTable&&) noexcept = default; /** * Resizes the page table to be able to accomodate enough pages within * a given address space. * * @param address_space_width_in_bits The address size width in bits. + * @param page_size_in_bits The page size in bits. + * @param has_attribute Whether or not this page has any backing attributes. */ void Resize(std::size_t address_space_width_in_bits, std::size_t page_size_in_bits, bool has_attribute); diff --git a/src/common/virtual_buffer.cpp b/src/common/virtual_buffer.cpp index b009cb500..e3ca29258 100644 --- a/src/common/virtual_buffer.cpp +++ b/src/common/virtual_buffer.cpp @@ -13,7 +13,7 @@ namespace Common { -void* AllocateMemoryPages(std::size_t size) { +void* AllocateMemoryPages(std::size_t size) noexcept { #ifdef _WIN32 void* base{VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE)}; #else @@ -29,7 +29,7 @@ void* AllocateMemoryPages(std::size_t size) { return base; } -void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) { +void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) noexcept { if (!base) { return; } diff --git a/src/common/virtual_buffer.h b/src/common/virtual_buffer.h index 125cb42f0..91d430036 100644 --- a/src/common/virtual_buffer.h +++ b/src/common/virtual_buffer.h @@ -4,29 +4,53 @@ #pragma once -#include "common/common_funcs.h" +#include <type_traits> +#include <utility> namespace Common { -void* AllocateMemoryPages(std::size_t size); -void FreeMemoryPages(void* base, std::size_t size); +void* AllocateMemoryPages(std::size_t size) noexcept; +void FreeMemoryPages(void* base, std::size_t size) noexcept; template <typename T> -class VirtualBuffer final : NonCopyable { +class VirtualBuffer final { public: + static_assert( + std::is_trivially_constructible_v<T>, + "T must be trivially constructible, as non-trivial constructors will not be executed " + "with the current allocator"); + constexpr VirtualBuffer() = default; explicit VirtualBuffer(std::size_t count) : alloc_size{count * sizeof(T)} { base_ptr = reinterpret_cast<T*>(AllocateMemoryPages(alloc_size)); } - ~VirtualBuffer() { + ~VirtualBuffer() noexcept { FreeMemoryPages(base_ptr, alloc_size); } + VirtualBuffer(const VirtualBuffer&) = delete; + VirtualBuffer& operator=(const VirtualBuffer&) = delete; + + VirtualBuffer(VirtualBuffer&& other) noexcept + : alloc_size{std::exchange(other.alloc_size, 0)}, base_ptr{std::exchange(other.base_ptr), + nullptr} {} + + VirtualBuffer& operator=(VirtualBuffer&& other) noexcept { + alloc_size = std::exchange(other.alloc_size, 0); + base_ptr = std::exchange(other.base_ptr, nullptr); + return *this; + } + void resize(std::size_t count) { + const auto new_size = count * sizeof(T); + if (new_size == alloc_size) { + return; + } + FreeMemoryPages(base_ptr, alloc_size); - alloc_size = count * sizeof(T); + alloc_size = new_size; base_ptr = reinterpret_cast<T*>(AllocateMemoryPages(alloc_size)); } |