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-rw-r--r--src/core/memory.h85
1 files changed, 78 insertions, 7 deletions
diff --git a/src/core/memory.h b/src/core/memory.h
index fc0013a96..cc6ab920e 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -153,6 +153,46 @@ public:
const u8* GetPointer(VAddr vaddr) const;
/**
+ * Reads an 8-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 8-bit value from.
+ *
+ * @returns the read 8-bit unsigned value.
+ */
+ u8 Read8(VAddr addr);
+
+ /**
+ * Reads a 16-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 16-bit value from.
+ *
+ * @returns the read 16-bit unsigned value.
+ */
+ u16 Read16(VAddr addr);
+
+ /**
+ * Reads a 32-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 32-bit value from.
+ *
+ * @returns the read 32-bit unsigned value.
+ */
+ u32 Read32(VAddr addr);
+
+ /**
+ * Reads a 64-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 64-bit value from.
+ *
+ * @returns the read 64-bit value.
+ */
+ u64 Read64(VAddr addr);
+
+ /**
* Reads a null-terminated string from the given virtual address.
* This function will continually read characters until either:
*
@@ -170,6 +210,44 @@ public:
std::string ReadCString(VAddr vaddr, std::size_t max_length);
/**
+ * Reads a contiguous block of bytes from a specified process' address space.
+ *
+ * @param process The process to read the data from.
+ * @param src_addr The virtual address to begin reading from.
+ * @param dest_buffer The buffer to place the read bytes into.
+ * @param size The amount of data to read, in bytes.
+ *
+ * @note If a size of 0 is specified, then this function reads nothing and
+ * no attempts to access memory are made at all.
+ *
+ * @pre dest_buffer must be at least size bytes in length, otherwise a
+ * buffer overrun will occur.
+ *
+ * @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,
+ std::size_t size);
+
+ /**
+ * Reads a contiguous block of bytes from the current process' address space.
+ *
+ * @param src_addr The virtual address to begin reading from.
+ * @param dest_buffer The buffer to place the read bytes into.
+ * @param size The amount of data to read, in bytes.
+ *
+ * @note If a size of 0 is specified, then this function reads nothing and
+ * no attempts to access memory are made at all.
+ *
+ * @pre dest_buffer must be at least size bytes in length, otherwise a
+ * buffer overrun will occur.
+ *
+ * @post The range [dest_buffer, size) contains the read bytes from the
+ * current process' address space.
+ */
+ void ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size);
+
+ /**
* 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.
@@ -242,18 +320,11 @@ void SetCurrentPageTable(Kernel::Process& process);
/// Determines if the given VAddr is a kernel address
bool IsKernelVirtualAddress(VAddr vaddr);
-u8 Read8(VAddr addr);
-u16 Read16(VAddr addr);
-u32 Read32(VAddr addr);
-u64 Read64(VAddr addr);
-
void Write8(VAddr addr, u8 data);
void Write16(VAddr addr, u16 data);
void Write32(VAddr addr, u32 data);
void Write64(VAddr addr, u64 data);
-void ReadBlock(const Kernel::Process& process, VAddr src_addr, void* dest_buffer, std::size_t size);
-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);