diff options
| -rw-r--r-- | src/core/mem_map.cpp | 3 | ||||
| -rw-r--r-- | src/core/mem_map.h | 7 | ||||
| -rw-r--r-- | src/core/mem_map_funcs.cpp | 14 |
3 files changed, 23 insertions, 1 deletions
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp index 59560b87d..c45746be9 100644 --- a/src/core/mem_map.cpp +++ b/src/core/mem_map.cpp @@ -17,6 +17,7 @@ u8* g_base = NULL; ///< The base pointer to the aut MemArena g_arena; ///< The MemArena class u8* g_exefs_code = NULL; ///< ExeFS:/.code is loaded here +u8* g_system_mem = NULL; ///< System memory u8* g_heap = NULL; ///< Application heap (main memory) u8* g_heap_gsp = NULL; ///< GSP heap (main memory) u8* g_vram = NULL; ///< Video memory (VRAM) pointer @@ -27,6 +28,7 @@ u8* g_physical_bootrom = NULL; ///< Bootrom physical memory u8* g_uncached_bootrom = NULL; u8* g_physical_exefs_code = NULL; ///< Phsical ExeFS:/.code is loaded here +u8* g_physical_system_mem = NULL; ///< System physical memory u8* g_physical_fcram = NULL; ///< Main physical memory (FCRAM) u8* g_physical_heap_gsp = NULL; ///< GSP heap physical memory u8* g_physical_vram = NULL; ///< Video physical memory (VRAM) @@ -39,6 +41,7 @@ static MemoryView g_views[] = { {&g_vram, &g_physical_vram, VRAM_VADDR, VRAM_SIZE, 0}, {&g_heap, &g_physical_fcram, HEAP_VADDR, HEAP_SIZE, MV_IS_PRIMARY_RAM}, {&g_shared_mem, &g_physical_shared_mem, SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE, 0}, + {&g_system_mem, &g_physical_system_mem, SYSTEM_MEMORY_VADDR, SYSTEM_MEMORY_SIZE, 0}, {&g_kernel_mem, &g_physical_kernel_mem, KERNEL_MEMORY_VADDR, KERNEL_MEMORY_SIZE, 0}, {&g_heap_gsp, &g_physical_heap_gsp, HEAP_GSP_VADDR, HEAP_GSP_SIZE, 0}, }; diff --git a/src/core/mem_map.h b/src/core/mem_map.h index af2212a5f..12d497ef3 100644 --- a/src/core/mem_map.h +++ b/src/core/mem_map.h @@ -47,6 +47,12 @@ enum { EXEFS_CODE_VADDR_END = (EXEFS_CODE_VADDR + EXEFS_CODE_SIZE), EXEFS_CODE_MASK = 0x03FFFFFF, + // 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), + SYSTEM_MEMORY_MASK = 0x03FFFFFF, + HEAP_SIZE = FCRAM_SIZE, ///< Application heap size //HEAP_PADDR = HEAP_GSP_SIZE, //HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE), @@ -116,6 +122,7 @@ 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_system_mem; ///< System memory extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here void Init(); diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp index 8ab647714..86e9eaa20 100644 --- a/src/core/mem_map_funcs.cpp +++ b/src/core/mem_map_funcs.cpp @@ -73,6 +73,10 @@ inline void _Read(T &var, const u32 addr) { } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { var = *((const T*)&g_shared_mem[vaddr & SHARED_MEMORY_MASK]); + // System memory + } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { + var = *((const T*)&g_system_mem[vaddr & SYSTEM_MEMORY_MASK]); + // Config memory } else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) { ConfigMem::Read<T>(var, vaddr); @@ -115,6 +119,10 @@ inline void _Write(u32 addr, const T data) { } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { *(T*)&g_shared_mem[vaddr & SHARED_MEMORY_MASK] = data; + // System memory + } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { + *(T*)&g_system_mem[vaddr & SYSTEM_MEMORY_MASK] = data; + // VRAM } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { *(T*)&g_vram[vaddr & VRAM_MASK] = data; @@ -153,9 +161,13 @@ u8 *GetPointer(const u32 addr) { return g_heap + (vaddr & HEAP_MASK); // Shared memory - } else if ((vaddr > SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { + } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { return g_shared_mem + (vaddr & SHARED_MEMORY_MASK); + // System memory + } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { + return g_system_mem + (vaddr & SYSTEM_MEMORY_MASK); + // VRAM } else if ((vaddr > VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { return g_vram + (vaddr & VRAM_MASK); |