From e3886adc2246c1f9da65deb4ae5ec6360788c77f Mon Sep 17 00:00:00 2001 From: bunnei Date: Wed, 3 Dec 2014 01:13:29 -0500 Subject: MemMap: Updated memory map to subtract base address instead of mask. - More readable, a little less error prone. Conflicts: src/core/mem_map.h src/core/mem_map_funcs.cpp --- src/core/mem_map.h | 10 ---------- src/core/mem_map_funcs.cpp | 42 +++++++++++++++++++++--------------------- 2 files changed, 21 insertions(+), 31 deletions(-) diff --git a/src/core/mem_map.h b/src/core/mem_map.h index a58c5924..2e2c0bdf 100644 --- a/src/core/mem_map.h +++ b/src/core/mem_map.h @@ -27,47 +27,39 @@ enum { 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 - FCRAM_MASK = (FCRAM_SIZE - 1), ///< FCRAM mask SHARED_MEMORY_SIZE = 0x04000000, ///< Shared memory size SHARED_MEMORY_VADDR = 0x10000000, ///< Shared memory SHARED_MEMORY_VADDR_END = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE), - SHARED_MEMORY_MASK = (SHARED_MEMORY_SIZE - 1), 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), - CONFIG_MEMORY_MASK = (CONFIG_MEMORY_SIZE - 1), 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), - KERNEL_MEMORY_MASK = (KERNEL_MEMORY_SIZE - 1), EXEFS_CODE_SIZE = 0x03F00000, EXEFS_CODE_VADDR = 0x00100000, ///< ExeFS:/.code is loaded here 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), HEAP_VADDR = 0x08000000, HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE), - HEAP_MASK = (HEAP_SIZE - 1), HEAP_GSP_SIZE = 0x02000000, ///< GSP heap size... TODO: Define correctly? HEAP_GSP_VADDR = 0x14000000, HEAP_GSP_VADDR_END = (HEAP_GSP_VADDR + HEAP_GSP_SIZE), HEAP_GSP_PADDR = 0x00000000, HEAP_GSP_PADDR_END = (HEAP_GSP_PADDR + HEAP_GSP_SIZE), - HEAP_GSP_MASK = (HEAP_GSP_SIZE - 1), HARDWARE_IO_SIZE = 0x01000000, HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start @@ -80,12 +72,10 @@ enum { VRAM_VADDR = 0x1F000000, VRAM_PADDR_END = (VRAM_PADDR + VRAM_SIZE), VRAM_VADDR_END = (VRAM_VADDR + VRAM_SIZE), - VRAM_MASK = 0x007FFFFF, SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader SCRATCHPAD_VADDR_END = 0x10000000, SCRATCHPAD_VADDR = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space - SCRATCHPAD_MASK = (SCRATCHPAD_SIZE - 1), ///< Scratchpad memory mask }; //////////////////////////////////////////////////////////////////////////////////////////////////// diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp index e8747840..1887bced 100644 --- a/src/core/mem_map_funcs.cpp +++ b/src/core/mem_map_funcs.cpp @@ -56,7 +56,7 @@ inline void Read(T &var, const VAddr vaddr) { // Kernel memory command buffer if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) { - var = *((const T*)&g_kernel_mem[vaddr & KERNEL_MEMORY_MASK]); + var = *((const T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR]); // Hardware I/O register reads // 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space @@ -65,23 +65,23 @@ inline void Read(T &var, const VAddr vaddr) { // ExeFS:/.code is loaded here } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) { - var = *((const T*)&g_exefs_code[vaddr & EXEFS_CODE_MASK]); + var = *((const T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR]); // FCRAM - GSP heap } else if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) { - var = *((const T*)&g_heap_gsp[vaddr & HEAP_GSP_MASK]); + var = *((const T*)&g_heap_gsp[vaddr - HEAP_GSP_VADDR]); // FCRAM - application heap } else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) { - var = *((const T*)&g_heap[vaddr & HEAP_MASK]); + var = *((const T*)&g_heap[vaddr - HEAP_VADDR]); // Shared memory } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { - var = *((const T*)&g_shared_mem[vaddr & SHARED_MEMORY_MASK]); + var = *((const T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR]); // System memory } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { - var = *((const T*)&g_system_mem[vaddr & SYSTEM_MEMORY_MASK]); + var = *((const T*)&g_system_mem[vaddr - SYSTEM_MEMORY_VADDR]); // Config memory } else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) { @@ -89,7 +89,7 @@ inline void Read(T &var, const VAddr vaddr) { // VRAM } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { - var = *((const T*)&g_vram[vaddr & VRAM_MASK]); + var = *((const T*)&g_vram[vaddr - VRAM_VADDR]); } else { ERROR_LOG(MEMMAP, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, vaddr); @@ -101,7 +101,7 @@ inline void Write(const VAddr vaddr, const T data) { // Kernel memory command buffer if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) { - *(T*)&g_kernel_mem[vaddr & KERNEL_MEMORY_MASK] = data; + *(T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR] = data; // Hardware I/O register writes // 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space @@ -110,27 +110,27 @@ inline void Write(const VAddr vaddr, const T data) { // ExeFS:/.code is loaded here } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) { - *(T*)&g_exefs_code[vaddr & EXEFS_CODE_MASK] = data; + *(T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR] = data; // FCRAM - GSP heap } else if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) { - *(T*)&g_heap_gsp[vaddr & HEAP_GSP_MASK] = data; + *(T*)&g_heap_gsp[vaddr - HEAP_GSP_VADDR] = data; // FCRAM - application heap } else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) { - *(T*)&g_heap[vaddr & HEAP_MASK] = data; + *(T*)&g_heap[vaddr - HEAP_VADDR] = data; // Shared memory } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { - *(T*)&g_shared_mem[vaddr & SHARED_MEMORY_MASK] = data; + *(T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR] = data; // System memory } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { - *(T*)&g_system_mem[vaddr & SYSTEM_MEMORY_MASK] = data; + *(T*)&g_system_mem[vaddr - SYSTEM_MEMORY_VADDR] = data; // VRAM } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { - *(T*)&g_vram[vaddr & VRAM_MASK] = data; + *(T*)&g_vram[vaddr - VRAM_VADDR] = data; //} else if ((vaddr & 0xFFF00000) == 0x1FF00000) { // _assert_msg_(MEMMAP, false, "umimplemented write to DSP memory"); @@ -148,31 +148,31 @@ inline void Write(const VAddr vaddr, const T data) { u8 *GetPointer(const VAddr vaddr) { // Kernel memory command buffer if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) { - return g_kernel_mem + (vaddr & KERNEL_MEMORY_MASK); + return g_kernel_mem + (vaddr - KERNEL_MEMORY_VADDR); // ExeFS:/.code is loaded here } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) { - return g_exefs_code + (vaddr & EXEFS_CODE_MASK); + return g_exefs_code + (vaddr - EXEFS_CODE_VADDR); // FCRAM - GSP heap } else if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) { - return g_heap_gsp + (vaddr & HEAP_GSP_MASK); + return g_heap_gsp + (vaddr - HEAP_GSP_VADDR); // FCRAM - application heap } else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) { - return g_heap + (vaddr & HEAP_MASK); + return g_heap + (vaddr - HEAP_VADDR); // Shared memory } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { - return g_shared_mem + (vaddr & SHARED_MEMORY_MASK); + return g_shared_mem + (vaddr - SHARED_MEMORY_VADDR); // System memory } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { - return g_system_mem + (vaddr & SYSTEM_MEMORY_MASK); + return g_system_mem + (vaddr - SYSTEM_MEMORY_VADDR); // VRAM } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { - return g_vram + (vaddr & VRAM_MASK); + return g_vram + (vaddr - VRAM_VADDR); } else { ERROR_LOG(MEMMAP, "unknown GetPointer @ 0x%08x", vaddr); -- cgit v1.2.3