diff options
Diffstat (limited to 'src/core/mem_map.h')
| -rw-r--r-- | src/core/mem_map.h | 171 |
1 files changed, 15 insertions, 156 deletions
diff --git a/src/core/mem_map.h b/src/core/mem_map.h index bce99dffa..945815cd6 100644 --- a/src/core/mem_map.h +++ b/src/core/mem_map.h @@ -4,163 +4,21 @@ #pragma once -#include "common/common.h" #include "common/common_types.h" -#include "core/hle/kernel/kernel.h" - namespace Memory { -//////////////////////////////////////////////////////////////////////////////////////////////////// - -enum : u32 { - BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size - BOOTROM_PADDR = 0x00000000, ///< Bootrom physical address - BOOTROM_PADDR_END = (BOOTROM_PADDR + BOOTROM_SIZE), - - BOOTROM_MIRROR_SIZE = 0x00010000, ///< Bootrom Mirror size - BOOTROM_MIRROR_PADDR = 0x00010000, ///< Bootrom Mirror physical address - BOOTROM_MIRROR_PADDR_END = (BOOTROM_MIRROR_PADDR + BOOTROM_MIRROR_SIZE), - - MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size - MPCORE_PRIV_PADDR = 0x17E00000, ///< MPCore private memory region physical address - MPCORE_PRIV_PADDR_END = (MPCORE_PRIV_PADDR + MPCORE_PRIV_SIZE), - - FCRAM_SIZE = 0x08000000, ///< FCRAM size - FCRAM_PADDR = 0x20000000, ///< FCRAM physical address - FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE), ///< FCRAM end of physical space - FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address - FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space - - AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size - AXI_WRAM_PADDR = 0x1FF80000, ///< AXI WRAM physical address - AXI_WRAM_PADDR_END = (AXI_WRAM_PADDR + AXI_WRAM_SIZE), - - SHARED_MEMORY_SIZE = 0x04000000, ///< Shared memory size - SHARED_MEMORY_VADDR = 0x10000000, ///< Shared memory - SHARED_MEMORY_VADDR_END = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE), - - DSP_MEMORY_SIZE = 0x00080000, ///< DSP memory size - DSP_MEMORY_VADDR = 0x1FF00000, ///< DSP memory virtual address - DSP_MEMORY_VADDR_END = (DSP_MEMORY_VADDR + DSP_MEMORY_SIZE), - - CONFIG_MEMORY_SIZE = 0x00001000, ///< Configuration memory size - CONFIG_MEMORY_VADDR = 0x1FF80000, ///< Configuration memory virtual address - CONFIG_MEMORY_VADDR_END = (CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE), - - SHARED_PAGE_SIZE = 0x00001000, ///< Shared page size - SHARED_PAGE_VADDR = 0x1FF81000, ///< Shared page virtual address - SHARED_PAGE_VADDR_END = (SHARED_PAGE_VADDR + SHARED_PAGE_SIZE), - - KERNEL_MEMORY_SIZE = 0x00001000, ///< Kernel memory size - KERNEL_MEMORY_VADDR = 0xFFFF0000, ///< Kernel memory where the kthread objects etc are - KERNEL_MEMORY_VADDR_END = (KERNEL_MEMORY_VADDR + KERNEL_MEMORY_SIZE), - - EXEFS_CODE_SIZE = 0x03F00000, - EXEFS_CODE_VADDR = 0x00100000, ///< ExeFS:/.code is loaded here - EXEFS_CODE_VADDR_END = (EXEFS_CODE_VADDR + EXEFS_CODE_SIZE), - - // Region of FCRAM used by system - SYSTEM_MEMORY_SIZE = 0x02C00000, ///< 44MB - SYSTEM_MEMORY_VADDR = 0x04000000, - SYSTEM_MEMORY_VADDR_END = (SYSTEM_MEMORY_VADDR + SYSTEM_MEMORY_SIZE), - - HEAP_SIZE = FCRAM_SIZE, ///< Application heap size - //HEAP_PADDR = HEAP_GSP_SIZE, - //HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE), - HEAP_VADDR = 0x08000000, - HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE), - - HEAP_LINEAR_SIZE = 0x08000000, ///< Linear heap size... TODO: Define correctly? - HEAP_LINEAR_VADDR = 0x14000000, - HEAP_LINEAR_VADDR_END = (HEAP_LINEAR_VADDR + HEAP_LINEAR_SIZE), - HEAP_LINEAR_PADDR = 0x00000000, - HEAP_LINEAR_PADDR_END = (HEAP_LINEAR_PADDR + HEAP_LINEAR_SIZE), - - HARDWARE_IO_SIZE = 0x01000000, - HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start - HARDWARE_IO_VADDR = 0x1EC00000, ///< IO virtual address start - HARDWARE_IO_PADDR_END = (HARDWARE_IO_PADDR + HARDWARE_IO_SIZE), - HARDWARE_IO_VADDR_END = (HARDWARE_IO_VADDR + HARDWARE_IO_SIZE), - - VRAM_SIZE = 0x00600000, - VRAM_PADDR = 0x18000000, - VRAM_VADDR = 0x1F000000, - VRAM_PADDR_END = (VRAM_PADDR + VRAM_SIZE), - VRAM_VADDR_END = (VRAM_VADDR + VRAM_SIZE), - - SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader - SCRATCHPAD_VADDR_END = 0x10000000, - SCRATCHPAD_VADDR = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space -}; - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -/// 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; - } -}; - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -// Base is a pointer to the base of the memory map. Yes, some MMU tricks -// are used to set up a full GC or Wii memory map in process memory. on -// 32-bit, you have to mask your offsets with 0x3FFFFFFF. This means that -// some things are mirrored too many times, but eh... it works. - -// In 64-bit, this might point to "high memory" (above the 32-bit limit), -// so be sure to load it into a 64-bit register. -extern u8 *g_base; - -// These are guaranteed to point to "low memory" addresses (sub-32-bit). -// 64-bit: Pointers to low-mem (sub-0x10000000) mirror -// 32-bit: Same as the corresponding physical/virtual pointers. -extern u8* g_heap_linear; ///< Linear heap (main memory) -extern u8* g_heap; ///< Application heap (main memory) -extern u8* g_vram; ///< Video memory (VRAM) -extern u8* g_shared_mem; ///< Shared memory -extern u8* g_kernel_mem; ///< Kernel memory -extern u8* g_dsp_mem; ///< DSP memory -extern u8* g_system_mem; ///< System memory -extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here +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 +extern u8* g_heap_linear; ///< Linear heap (main memory) +extern u8* g_vram; ///< Video memory (VRAM) +extern u8* g_dsp_mem; ///< DSP memory +extern u8* g_tls_mem; ///< TLS memory void Init(); void Shutdown(); -template <typename T> -inline void Read(T &var, VAddr addr); - -template <typename T> -inline void Write(VAddr addr, T data); - -u8 Read8(VAddr addr); -u16 Read16(VAddr addr); -u32 Read32(VAddr addr); -u64 Read64(VAddr addr); - -u32 Read8_ZX(VAddr addr); -u32 Read16_ZX(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 @@ -177,14 +35,15 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions); */ u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions); -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. + */ +PAddr VirtualToPhysicalAddress(VAddr addr); -/// Converts a physical address to virtual address +/** + * Undoes a mapping performed by VirtualToPhysicalAddress(). + */ VAddr PhysicalToVirtualAddress(PAddr addr); -/// Converts a virtual address to physical address -PAddr VirtualToPhysicalAddress(VAddr addr); - } // namespace |