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@ -12,79 +12,93 @@ namespace Memory { |
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const u32 PAGE_SIZE = 0x1000; |
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enum : u32 { |
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BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size |
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BOOTROM_PADDR = 0x00000000, ///< Bootrom physical address |
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BOOTROM_PADDR_END = (BOOTROM_PADDR + BOOTROM_SIZE), |
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BOOTROM_MIRROR_SIZE = 0x00010000, ///< Bootrom Mirror size |
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BOOTROM_MIRROR_PADDR = 0x00010000, ///< Bootrom Mirror physical address |
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BOOTROM_MIRROR_PADDR_END = (BOOTROM_MIRROR_PADDR + BOOTROM_MIRROR_SIZE), |
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/// Physical memory regions as seen from the ARM11 |
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enum : PAddr { |
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/// IO register area |
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IO_AREA_PADDR = 0x10100000, |
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IO_AREA_SIZE = 0x01000000, ///< IO area size (16MB) |
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IO_AREA_PADDR_END = IO_AREA_PADDR + IO_AREA_SIZE, |
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/// MPCore internal memory region |
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MPCORE_RAM_PADDR = 0x17E00000, |
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MPCORE_RAM_SIZE = 0x00002000, ///< MPCore internal memory size (8KB) |
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MPCORE_RAM_PADDR_END = MPCORE_RAM_PADDR + MPCORE_RAM_SIZE, |
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/// Video memory |
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VRAM_PADDR = 0x18000000, |
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VRAM_SIZE = 0x00600000, ///< VRAM size (6MB) |
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VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE, |
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/// DSP memory |
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DSP_RAM_PADDR = 0x1FF00000, |
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DSP_RAM_SIZE = 0x00080000, ///< DSP memory size (512KB) |
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DSP_RAM_PADDR_END = DSP_RAM_PADDR + DSP_RAM_SIZE, |
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/// AXI WRAM |
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AXI_WRAM_PADDR = 0x1FF80000, |
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AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size (512KB) |
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AXI_WRAM_PADDR_END = AXI_WRAM_PADDR + AXI_WRAM_SIZE, |
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/// Main FCRAM |
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FCRAM_PADDR = 0x20000000, |
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FCRAM_SIZE = 0x08000000, ///< FCRAM size (128MB) |
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FCRAM_PADDR_END = FCRAM_PADDR + FCRAM_SIZE, |
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}; |
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MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size |
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MPCORE_PRIV_PADDR = 0x17E00000, ///< MPCore private memory region physical address |
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MPCORE_PRIV_PADDR_END = (MPCORE_PRIV_PADDR + MPCORE_PRIV_SIZE), |
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/// Virtual user-space memory regions |
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enum : VAddr { |
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/// Where the application text, data and bss reside. |
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PROCESS_IMAGE_VADDR = 0x00100000, |
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PROCESS_IMAGE_MAX_SIZE = 0x03F00000, |
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PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE, |
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FCRAM_SIZE = 0x08000000, ///< FCRAM size |
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FCRAM_PADDR = 0x20000000, ///< FCRAM physical address |
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FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE), |
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/// Area where IPC buffers are mapped onto. |
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IPC_MAPPING_VADDR = 0x04000000, |
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IPC_MAPPING_SIZE = 0x04000000, |
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IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE, |
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HEAP_SIZE = FCRAM_SIZE, ///< Application heap size |
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/// Application heap (includes stack). |
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HEAP_VADDR = 0x08000000, |
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HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE), |
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HEAP_LINEAR_SIZE = FCRAM_SIZE, |
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HEAP_LINEAR_VADDR = 0x14000000, |
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HEAP_LINEAR_VADDR_END = (HEAP_LINEAR_VADDR + HEAP_LINEAR_SIZE), |
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AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size |
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AXI_WRAM_PADDR = 0x1FF80000, ///< AXI WRAM physical address |
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AXI_WRAM_PADDR_END = (AXI_WRAM_PADDR + AXI_WRAM_SIZE), |
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SHARED_MEMORY_SIZE = 0x04000000, ///< Shared memory size |
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SHARED_MEMORY_VADDR = 0x10000000, ///< Shared memory |
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SHARED_MEMORY_VADDR_END = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE), |
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DSP_MEMORY_SIZE = 0x00080000, ///< DSP memory size |
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DSP_MEMORY_VADDR = 0x1FF00000, ///< DSP memory virtual address |
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DSP_MEMORY_VADDR_END = (DSP_MEMORY_VADDR + DSP_MEMORY_SIZE), |
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HEAP_SIZE = 0x08000000, |
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HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE, |
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CONFIG_MEMORY_SIZE = 0x00001000, ///< Configuration memory size |
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CONFIG_MEMORY_VADDR = 0x1FF80000, ///< Configuration memory virtual address |
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CONFIG_MEMORY_VADDR_END = (CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE), |
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/// Area where shared memory buffers are mapped onto. |
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SHARED_MEMORY_VADDR = 0x10000000, |
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SHARED_MEMORY_SIZE = 0x04000000, |
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SHARED_MEMORY_VADDR_END = SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE, |
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SHARED_PAGE_SIZE = 0x00001000, ///< Shared page size |
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SHARED_PAGE_VADDR = 0x1FF81000, ///< Shared page virtual address |
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SHARED_PAGE_VADDR_END = (SHARED_PAGE_VADDR + SHARED_PAGE_SIZE), |
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/// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical memory. |
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LINEAR_HEAP_VADDR = 0x14000000, |
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LINEAR_HEAP_SIZE = 0x08000000, |
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LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE, |
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KERNEL_MEMORY_SIZE = 0x00001000, ///< Kernel memory size |
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KERNEL_MEMORY_VADDR = 0xFFFF0000, ///< Kernel memory where the kthread objects etc are |
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KERNEL_MEMORY_VADDR_END = (KERNEL_MEMORY_VADDR + KERNEL_MEMORY_SIZE), |
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/// Maps 1:1 to the IO register area. |
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IO_AREA_VADDR = 0x1EC00000, |
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IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE, |
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EXEFS_CODE_SIZE = 0x03F00000, |
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EXEFS_CODE_VADDR = 0x00100000, ///< ExeFS:/.code is loaded here |
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EXEFS_CODE_VADDR_END = (EXEFS_CODE_VADDR + EXEFS_CODE_SIZE), |
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// Region of FCRAM used by system |
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SYSTEM_MEMORY_SIZE = 0x02C00000, ///< 44MB |
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SYSTEM_MEMORY_VADDR = 0x04000000, |
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SYSTEM_MEMORY_VADDR_END = (SYSTEM_MEMORY_VADDR + SYSTEM_MEMORY_SIZE), |
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HARDWARE_IO_SIZE = 0x01000000, |
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HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start |
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HARDWARE_IO_VADDR = 0x1EC00000, ///< IO virtual address start |
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HARDWARE_IO_PADDR_END = (HARDWARE_IO_PADDR + HARDWARE_IO_SIZE), |
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HARDWARE_IO_VADDR_END = (HARDWARE_IO_VADDR + HARDWARE_IO_SIZE), |
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VRAM_SIZE = 0x00600000, |
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VRAM_PADDR = 0x18000000, |
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/// Maps 1:1 to VRAM. |
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VRAM_VADDR = 0x1F000000, |
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VRAM_PADDR_END = (VRAM_PADDR + VRAM_SIZE), |
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VRAM_VADDR_END = (VRAM_VADDR + VRAM_SIZE), |
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SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader |
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SCRATCHPAD_VADDR_END = 0x10000000, |
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SCRATCHPAD_VADDR = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space |
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VRAM_VADDR_END = VRAM_VADDR + VRAM_SIZE, |
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/// Maps 1:1 to DSP memory. |
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DSP_RAM_VADDR = 0x1FF00000, |
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DSP_RAM_VADDR_END = DSP_RAM_VADDR + DSP_RAM_SIZE, |
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/// Read-only page containing kernel and system configuration values. |
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CONFIG_MEMORY_VADDR = 0x1FF80000, |
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CONFIG_MEMORY_SIZE = 0x00001000, |
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CONFIG_MEMORY_VADDR_END = CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE, |
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/// Usually read-only page containing mostly values read from hardware. |
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SHARED_PAGE_VADDR = 0x1FF81000, |
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SHARED_PAGE_SIZE = 0x00001000, |
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SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE, |
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// TODO(yuriks): The exact location and size of this area is uncomfirmed. |
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/// Area where TLS (Thread-Local Storage) buffers are allocated. |
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TLS_AREA_VADDR = 0x1FFA0000, |
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TLS_AREA_SIZE = 0x00002000, // Each TLS buffer is 0x200 bytes, allows for 16 threads |
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TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE, |
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}; |
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//////////////////////////////////////////////////////////////////////////////////////////////////// |
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@ -107,14 +121,13 @@ struct MemoryBlock { |
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//////////////////////////////////////////////////////////////////////////////////////////////////// |
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extern u8* g_heap_linear; ///< Linear heap (main memory) |
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extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here |
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extern u8* g_heap; ///< Application heap (main memory) |
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extern u8* g_vram; ///< Video memory (VRAM) |
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extern u8* g_shared_mem; ///< Shared memory |
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extern u8* g_kernel_mem; ///< Kernel memory |
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extern u8* g_heap_linear; ///< Linear heap (main memory) |
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extern u8* g_vram; ///< Video memory (VRAM) |
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extern u8* g_dsp_mem; ///< DSP memory |
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extern u8* g_system_mem; ///< System memory |
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extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here |
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extern u8* g_tls_mem; ///< TLS memory |
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void Init(); |
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void Shutdown(); |
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@ -168,10 +181,24 @@ inline const char* GetCharPointer(const VAddr address) { |
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return (const char *)GetPointer(address); |
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} |
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/// Converts a physical address to virtual address |
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/** |
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* Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical |
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* address. This should be used by services to translate addresses for use by the hardware. |
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*/ |
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PAddr VirtualToPhysicalAddress(VAddr addr); |
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/** |
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* Undoes a mapping performed by VirtualToPhysicalAddress(). |
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*/ |
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VAddr PhysicalToVirtualAddress(PAddr addr); |
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/// Converts a virtual address to physical address |
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PAddr VirtualToPhysicalAddress(VAddr addr); |
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/** |
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* Gets a pointer to the memory region beginning at the specified physical address. |
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* |
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* @note This is currently implemented using PhysicalToVirtualAddress(). |
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*/ |
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inline u8* GetPhysicalPointer(PAddr address) { |
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return GetPointer(PhysicalToVirtualAddress(address)); |
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} |
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} // namespace |