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https://github.com/Lime3DS/Lime3DS
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MemMap: Added AXI_WRAM & SHARED_PAGE along with other stuff
Got rid of I/O address's since the I/O addresses range's overlap with other address's types such as vram, these I/O addresses need to be done in an different way.
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9ce11b2d92
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23ae8aa4d3
2 changed files with 65 additions and 58 deletions
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@ -17,67 +17,84 @@ typedef u32 PAddr; ///< Represents a pointer in the physical address space.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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enum : u32 {
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BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size
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MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size
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AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size
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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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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), ///< FCRAM end of physical space
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FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address
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FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space
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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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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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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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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), ///< FCRAM end of physical space
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FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address
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FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space
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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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DSP_MEMORY_SIZE = 0x00080000, ///< DSP memory size
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DSP_MEMORY_VADDR = 0x1FF00000, ///< DSP memory virtual address
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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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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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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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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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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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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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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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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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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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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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HEAP_SIZE = FCRAM_SIZE, ///< Application heap size
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//HEAP_PADDR = HEAP_GSP_SIZE,
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//HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE),
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HEAP_VADDR = 0x08000000,
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HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE),
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HEAP_SIZE = FCRAM_SIZE, ///< Application heap size
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//HEAP_PADDR = HEAP_GSP_SIZE,
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//HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE),
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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 = 0x08000000, ///< Linear heap size... TODO: Define correctly?
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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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HEAP_LINEAR_PADDR = 0x00000000,
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HEAP_LINEAR_PADDR_END = (HEAP_LINEAR_PADDR + HEAP_LINEAR_SIZE),
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HEAP_LINEAR_SIZE = 0x08000000, ///< Linear heap size... TODO: Define correctly?
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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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HEAP_LINEAR_PADDR = 0x00000000,
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HEAP_LINEAR_PADDR_END = (HEAP_LINEAR_PADDR + HEAP_LINEAR_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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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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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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VRAM_SIZE = 0x00600000,
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VRAM_PADDR = 0x18000000,
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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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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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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -58,11 +58,6 @@ inline void Read(T &var, const VAddr vaddr) {
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if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
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var = *((const T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR]);
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// Hardware I/O register reads
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// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
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} else if ((vaddr >= HARDWARE_IO_VADDR) && (vaddr < HARDWARE_IO_VADDR_END)) {
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HW::Read<T>(var, vaddr);
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// ExeFS:/.code is loaded here
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} else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) {
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var = *((const T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR]);
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@ -103,11 +98,6 @@ inline void Write(const VAddr vaddr, const T data) {
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if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
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*(T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR] = data;
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// Hardware I/O register writes
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// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
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} else if ((vaddr >= HARDWARE_IO_VADDR) && (vaddr < HARDWARE_IO_VADDR_END)) {
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HW::Write<T>(vaddr, data);
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// ExeFS:/.code is loaded here
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} else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) {
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*(T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR] = data;
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