Memmap: Re-organize memory function in two files

memory.cpp/h contains definitions related to acessing memory and
configuring the address space
mem_map.cpp/h contains higher-level definitions related to configuring
the address space accoording to the kernel and allocating memory.

1 files changed, 0 insertions, 148 deletions

diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index b6944deb..945815cd 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -8,121 +8,6 @@
 
 namespace Memory {
 
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-const u32 PAGE_SIZE = 0x1000;
-
-/// Physical memory regions as seen from the ARM11
-enum : PAddr {
-    /// IO register area
-    IO_AREA_PADDR     = 0x10100000,
-    IO_AREA_SIZE      = 0x01000000, ///< IO area size (16MB)
-    IO_AREA_PADDR_END = IO_AREA_PADDR + IO_AREA_SIZE,
-
-    /// MPCore internal memory region
-    MPCORE_RAM_PADDR     = 0x17E00000,
-    MPCORE_RAM_SIZE      = 0x00002000, ///< MPCore internal memory size (8KB)
-    MPCORE_RAM_PADDR_END = MPCORE_RAM_PADDR + MPCORE_RAM_SIZE,
-
-    /// Video memory
-    VRAM_PADDR     = 0x18000000,
-    VRAM_SIZE      = 0x00600000, ///< VRAM size (6MB)
-    VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE,
-
-    /// DSP memory
-    DSP_RAM_PADDR     = 0x1FF00000,
-    DSP_RAM_SIZE      = 0x00080000, ///< DSP memory size (512KB)
-    DSP_RAM_PADDR_END = DSP_RAM_PADDR + DSP_RAM_SIZE,
-
-    /// AXI WRAM
-    AXI_WRAM_PADDR     = 0x1FF80000,
-    AXI_WRAM_SIZE      = 0x00080000, ///< AXI WRAM size (512KB)
-    AXI_WRAM_PADDR_END = AXI_WRAM_PADDR + AXI_WRAM_SIZE,
-
-    /// Main FCRAM
-    FCRAM_PADDR     = 0x20000000,
-    FCRAM_SIZE      = 0x08000000, ///< FCRAM size (128MB)
-    FCRAM_PADDR_END = FCRAM_PADDR + FCRAM_SIZE,
-};
-
-/// Virtual user-space memory regions
-enum : VAddr {
-    /// Where the application text, data and bss reside.
-    PROCESS_IMAGE_VADDR     = 0x00100000,
-    PROCESS_IMAGE_MAX_SIZE  = 0x03F00000,
-    PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE,
-
-    /// Area where IPC buffers are mapped onto.
-    IPC_MAPPING_VADDR     = 0x04000000,
-    IPC_MAPPING_SIZE      = 0x04000000,
-    IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE,
-
-    /// Application heap (includes stack).
-    HEAP_VADDR     = 0x08000000,
-    HEAP_SIZE      = 0x08000000,
-    HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
-
-    /// Area where shared memory buffers are mapped onto.
-    SHARED_MEMORY_VADDR     = 0x10000000,
-    SHARED_MEMORY_SIZE      = 0x04000000,
-    SHARED_MEMORY_VADDR_END = SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE,
-
-    /// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical memory.
-    LINEAR_HEAP_VADDR     = 0x14000000,
-    LINEAR_HEAP_SIZE      = 0x08000000,
-    LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE,
-
-    /// Maps 1:1 to the IO register area.
-    IO_AREA_VADDR     = 0x1EC00000,
-    IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE,
-
-    /// Maps 1:1 to VRAM.
-    VRAM_VADDR     = 0x1F000000,
-    VRAM_VADDR_END = VRAM_VADDR + VRAM_SIZE,
-
-    /// Maps 1:1 to DSP memory.
-    DSP_RAM_VADDR     = 0x1FF00000,
-    DSP_RAM_VADDR_END = DSP_RAM_VADDR + DSP_RAM_SIZE,
-
-    /// Read-only page containing kernel and system configuration values.
-    CONFIG_MEMORY_VADDR     = 0x1FF80000,
-    CONFIG_MEMORY_SIZE      = 0x00001000,
-    CONFIG_MEMORY_VADDR_END = CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE,
-
-    /// Usually read-only page containing mostly values read from hardware.
-    SHARED_PAGE_VADDR     = 0x1FF81000,
-    SHARED_PAGE_SIZE      = 0x00001000,
-    SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE,
-
-    // TODO(yuriks): The size of this area is dynamic, the kernel grows
-    // it as more and more threads are created. For now we'll just use a 
-    // hardcoded value.
-    /// Area where TLS (Thread-Local Storage) buffers are allocated.
-    TLS_AREA_VADDR     = 0x1FF82000,
-    TLS_AREA_SIZE      = 0x00030000, // Each TLS buffer is 0x200 bytes, allows for 300 threads
-    TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
-};
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/// Represents a block of memory mapped by ControlMemory/MapMemoryBlock
-struct MemoryBlock {
-    MemoryBlock() : handle(0), base_address(0), address(0), size(0), operation(0), permissions(0) {
-    }
-    u32 handle;
-    u32 base_address;
-    u32 address;
-    u32 size;
-    u32 operation;
-    u32 permissions;
-
-    const u32 GetVirtualAddress() const{
-        return base_address + address;
-    }
-};
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
 extern u8* g_exefs_code;  ///< ExeFS:/.code is loaded here
 extern u8* g_heap;        ///< Application heap (main memory)
 extern u8* g_shared_mem;  ///< Shared memory
@@ -134,20 +19,6 @@ extern u8* g_tls_mem;     ///< TLS memory
 void Init();
 void Shutdown();
 
-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 WriteBlock(VAddr addr, const u8* data, size_t size);
-
-u8* GetPointer(VAddr virtual_address);
-
 /**
  * Maps a block of memory on the heap
  * @param size Size of block in bytes
@@ -164,16 +35,6 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);
  */
 u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions);
 
-/// Initialize mapped memory blocks
-void MemBlock_Init();
-
-/// Shutdown mapped memory blocks
-void MemBlock_Shutdown();
-
-inline const char* GetCharPointer(const VAddr address) {
-    return (const char *)GetPointer(address);
-}
-
 /**
  * Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical
  * address. This should be used by services to translate addresses for use by the hardware.
@@ -185,13 +46,4 @@ PAddr VirtualToPhysicalAddress(VAddr addr);
  */
 VAddr PhysicalToVirtualAddress(PAddr addr);
 
-/**
- * Gets a pointer to the memory region beginning at the specified physical address.
- *
- * @note This is currently implemented using PhysicalToVirtualAddress().
- */
-inline u8* GetPhysicalPointer(PAddr address) {
-    return GetPointer(PhysicalToVirtualAddress(address));
-}
-
 } // namespace