diff options
Diffstat (limited to 'src/core/memory.h')
| -rw-r--r-- | src/core/memory.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/src/core/memory.h b/src/core/memory.h index 6d34fcfe2..345fd870d 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -19,7 +19,7 @@ class System; namespace Kernel { class PhysicalMemory; -class Process; +class KProcess; } // namespace Kernel namespace Core::Memory { @@ -59,11 +59,16 @@ public: Memory& operator=(Memory&&) = default; /** + * Resets the state of the Memory system. + */ + void Reset(); + + /** * Changes the currently active page table to that of the given process instance. * * @param process The process to use the page table of. */ - void SetCurrentPageTable(Kernel::Process& process, u32 core_id); + void SetCurrentPageTable(Kernel::KProcess& process, u32 core_id); /** * Maps an allocated buffer onto a region of the emulated process address space. @@ -94,7 +99,7 @@ public: * * @returns True if the given virtual address is valid, false otherwise. */ - bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr) const; + bool IsValidVirtualAddress(const Kernel::KProcess& process, VAddr vaddr) const; /** * Checks whether or not the supplied address is a valid virtual @@ -116,6 +121,15 @@ public: */ u8* GetPointer(VAddr vaddr); + /** + * Gets a pointer to the start of a kernel heap allocated memory region. Will allocate one if it + * does not already exist. + * + * @param start_vaddr Start virtual address for the memory region. + * @param size Size of the memory region. + */ + u8* GetKernelBuffer(VAddr start_vaddr, size_t size); + template <typename T> T* GetPointer(VAddr vaddr) { return reinterpret_cast<T*>(GetPointer(vaddr)); @@ -319,7 +333,7 @@ public: * @post The range [dest_buffer, size) contains the read bytes from the * process' address space. */ - void ReadBlock(const Kernel::Process& process, VAddr src_addr, void* dest_buffer, + void ReadBlock(const Kernel::KProcess& process, VAddr src_addr, void* dest_buffer, std::size_t size); /** @@ -340,7 +354,7 @@ public: * @post The range [dest_buffer, size) contains the read bytes from the * process' address space. */ - void ReadBlockUnsafe(const Kernel::Process& process, VAddr src_addr, void* dest_buffer, + void ReadBlockUnsafe(const Kernel::KProcess& process, VAddr src_addr, void* dest_buffer, std::size_t size); /** @@ -400,7 +414,7 @@ public: * and will mark that region as invalidated to caches that the active * graphics backend may be maintaining over the course of execution. */ - void WriteBlock(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer, + void WriteBlock(const Kernel::KProcess& process, VAddr dest_addr, const void* src_buffer, std::size_t size); /** @@ -420,7 +434,7 @@ public: * will be ignored and an error will be logged. * */ - void WriteBlockUnsafe(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer, + void WriteBlockUnsafe(const Kernel::KProcess& process, VAddr dest_addr, const void* src_buffer, std::size_t size); /** @@ -472,7 +486,7 @@ public: * @post The range [dest_addr, size) within the process' address space is * filled with zeroes. */ - void ZeroBlock(const Kernel::Process& process, VAddr dest_addr, std::size_t size); + void ZeroBlock(const Kernel::KProcess& process, VAddr dest_addr, std::size_t size); /** * Fills the specified address range within the current process' address space with zeroes. @@ -497,7 +511,7 @@ public: * @post The range [dest_addr, size) within the process' address space contains the * same data within the range [src_addr, size). */ - void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr, + void CopyBlock(const Kernel::KProcess& process, VAddr dest_addr, VAddr src_addr, std::size_t size); /** @@ -524,6 +538,8 @@ public: void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached); private: + Core::System& system; + struct Impl; std::unique_ptr<Impl> impl; }; |