diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/memory.cpp | 8 | ||||
-rw-r--r-- | src/core/memory.h | 10 |
2 files changed, 16 insertions, 2 deletions
diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 65e4bba85..b8438e490 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -672,12 +672,14 @@ PAddr VirtualToPhysicalAddress(const VAddr addr) { return addr - VRAM_VADDR + VRAM_PADDR; } else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) { return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR; + } else if (addr >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) { + return addr - NEW_LINEAR_HEAP_VADDR + FCRAM_PADDR; } else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) { return addr - DSP_RAM_VADDR + DSP_RAM_PADDR; } else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) { return addr - IO_AREA_VADDR + IO_AREA_PADDR; - } else if (addr >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) { - return addr - NEW_LINEAR_HEAP_VADDR + FCRAM_PADDR; + } else if (addr >= N3DS_EXTRA_RAM_VADDR && addr < N3DS_EXTRA_RAM_VADDR_END) { + return addr - N3DS_EXTRA_RAM_VADDR + N3DS_EXTRA_RAM_PADDR; } LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08X", addr); @@ -696,6 +698,8 @@ VAddr PhysicalToVirtualAddress(const PAddr addr) { return addr - DSP_RAM_PADDR + DSP_RAM_VADDR; } else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) { return addr - IO_AREA_PADDR + IO_AREA_VADDR; + } else if (addr >= N3DS_EXTRA_RAM_PADDR && addr < N3DS_EXTRA_RAM_PADDR_END) { + return addr - N3DS_EXTRA_RAM_PADDR + N3DS_EXTRA_RAM_VADDR; } LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08X", addr); diff --git a/src/core/memory.h b/src/core/memory.h index 903b58a22..802aa465e 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -37,6 +37,12 @@ enum : PAddr { VRAM_SIZE = 0x00600000, ///< VRAM size (6MB) VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE, + /// New 3DS additional memory. Supposedly faster than regular FCRAM. Part of it can be used by + /// applications and system modules if mapped via the ExHeader. + N3DS_EXTRA_RAM_PADDR = 0x1F000000, + N3DS_EXTRA_RAM_SIZE = 0x00400000, ///< New 3DS additional memory size (4MB) + N3DS_EXTRA_RAM_PADDR_END = N3DS_EXTRA_RAM_PADDR + N3DS_EXTRA_RAM_SIZE, + /// DSP memory DSP_RAM_PADDR = 0x1FF00000, DSP_RAM_SIZE = 0x00080000, ///< DSP memory size (512KB) @@ -81,6 +87,10 @@ enum : VAddr { LINEAR_HEAP_SIZE = 0x08000000, LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE, + /// Maps 1:1 to New 3DS additional memory + N3DS_EXTRA_RAM_VADDR = 0x1E800000, + N3DS_EXTRA_RAM_VADDR_END = N3DS_EXTRA_RAM_VADDR + N3DS_EXTRA_RAM_SIZE, + /// Maps 1:1 to the IO register area. IO_AREA_VADDR = 0x1EC00000, IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE, |