diff options
| author | Lioncash <mathew1800@gmail.com> | 2019-11-26 16:06:49 -0500 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2019-11-26 21:55:38 -0500 |
| commit | 89ef3ef5752e42d0eb0bdfa23cc72d391db74216 (patch) | |
| tree | 1802c692769ee563700d13d1821914819ff0564c /src/core/memory.h | |
| parent | 849581075a230ad0f5419bb5d5e1f9e48e6cfd8a (diff) | |
core/memory: Migrate over ZeroBlock() and CopyBlock() to the Memory class
These currently aren't used anywhere in the codebase, so these are very
trivial to move over to the Memory class.
Diffstat (limited to 'src/core/memory.h')
| -rw-r--r-- | src/core/memory.h | 53 |
1 files changed, 51 insertions, 2 deletions
diff --git a/src/core/memory.h b/src/core/memory.h index 7cd348b49a..fc0013a965 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -170,6 +170,57 @@ public: std::string ReadCString(VAddr vaddr, std::size_t max_length); /** + * Fills the specified address range within a process' address space with zeroes. + * + * @param process The process that will have a portion of its memory zeroed out. + * @param dest_addr The starting virtual address of the range to zero out. + * @param size The size of the address range to zero out, in bytes. + * + * @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); + + /** + * Fills the specified address range within the current process' address space with zeroes. + * + * @param dest_addr The starting virtual address of the range to zero out. + * @param size The size of the address range to zero out, in bytes. + * + * @post The range [dest_addr, size) within the current process' address space is + * filled with zeroes. + */ + void ZeroBlock(VAddr dest_addr, std::size_t size); + + /** + * Copies data within a process' address space to another location within the + * same address space. + * + * @param process The process that will have data copied within its address space. + * @param dest_addr The destination virtual address to begin copying the data into. + * @param src_addr The source virtual address to begin copying the data from. + * @param size The size of the data to copy, in bytes. + * + * @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, + std::size_t size); + + /** + * Copies data within the current process' address space to another location within the + * same address space. + * + * @param dest_addr The destination virtual address to begin copying the data into. + * @param src_addr The source virtual address to begin copying the data from. + * @param size The size of the data to copy, in bytes. + * + * @post The range [dest_addr, size) within the current process' address space + * contains the same data within the range [src_addr, size). + */ + void CopyBlock(VAddr dest_addr, VAddr src_addr, std::size_t size); + + /** * Marks each page within the specified address range as cached or uncached. * * @param vaddr The virtual address indicating the start of the address range. @@ -206,7 +257,5 @@ void ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size); void WriteBlock(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer, std::size_t size); void WriteBlock(VAddr dest_addr, const void* src_buffer, std::size_t size); -void ZeroBlock(const Kernel::Process& process, VAddr dest_addr, std::size_t size); -void CopyBlock(VAddr dest_addr, VAddr src_addr, std::size_t size); } // namespace Memory |