diff options
Diffstat (limited to 'src/core/mem_map.cpp')
| -rw-r--r-- | src/core/mem_map.cpp | 196 |
1 files changed, 134 insertions, 62 deletions
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp index a14e8303..5ecec956 100644 --- a/src/core/mem_map.cpp +++ b/src/core/mem_map.cpp @@ -2,88 +2,160 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include "common/common.h" -#include "common/mem_arena.h" +#include <map> +#include "common/common_types.h" +#include "common/logging/log.h" + +#include "core/hle/config_mem.h" +#include "core/hle/shared_page.h" #include "core/mem_map.h" +#include "core/memory.h" +#include "core/memory_setup.h" //////////////////////////////////////////////////////////////////////////////////////////////////// namespace Memory { -u8* g_base = nullptr; ///< The base pointer to the auto-mirrored arena. - -static MemArena arena; ///< The MemArena class - -u8* g_exefs_code = nullptr; ///< ExeFS:/.code is loaded here -u8* g_system_mem = nullptr; ///< System memory -u8* g_heap = nullptr; ///< Application heap (main memory) -u8* g_heap_linear = nullptr; ///< Linear heap -u8* g_vram = nullptr; ///< Video memory (VRAM) pointer -u8* g_shared_mem = nullptr; ///< Shared memory -u8* g_dsp_mem = nullptr; ///< DSP memory -u8* g_kernel_mem; ///< Kernel memory - -static u8* physical_bootrom = nullptr; ///< Bootrom physical memory -static u8* uncached_bootrom = nullptr; - -static u8* physical_exefs_code = nullptr; ///< Phsical ExeFS:/.code is loaded here -static u8* physical_system_mem = nullptr; ///< System physical memory -static u8* physical_fcram = nullptr; ///< Main physical memory (FCRAM) -static u8* physical_heap_gsp = nullptr; ///< GSP heap physical memory -static u8* physical_vram = nullptr; ///< Video physical memory (VRAM) -static u8* physical_shared_mem = nullptr; ///< Physical shared memory -static u8* physical_dsp_mem = nullptr; ///< Physical DSP memory -static u8* physical_kernel_mem; ///< Kernel memory - -// We don't declare the IO region in here since its handled by other means. -static MemoryView g_views[] = { - {&g_exefs_code, &physical_exefs_code, EXEFS_CODE_VADDR, EXEFS_CODE_SIZE, 0}, - {&g_vram, &physical_vram, VRAM_VADDR, VRAM_SIZE, 0}, - {&g_heap, &physical_fcram, HEAP_VADDR, HEAP_SIZE, MV_IS_PRIMARY_RAM}, - {&g_shared_mem, &physical_shared_mem, SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE, 0}, - {&g_system_mem, &physical_system_mem, SYSTEM_MEMORY_VADDR, SYSTEM_MEMORY_SIZE, 0}, - {&g_dsp_mem, &physical_dsp_mem, DSP_MEMORY_VADDR, DSP_MEMORY_SIZE, 0}, - {&g_kernel_mem, &physical_kernel_mem, KERNEL_MEMORY_VADDR, KERNEL_MEMORY_SIZE, 0}, - {&g_heap_linear, &physical_heap_gsp, HEAP_LINEAR_VADDR, HEAP_LINEAR_SIZE, 0}, +u8* g_exefs_code; ///< ExeFS:/.code is loaded here +u8* g_heap; ///< Application heap (main memory) +u8* g_shared_mem; ///< Shared memory +u8* g_heap_linear; ///< Linear heap +u8* g_vram; ///< Video memory (VRAM) pointer +u8* g_dsp_mem; ///< DSP memory +u8* g_tls_mem; ///< TLS memory + +namespace { + +struct MemoryArea { + u8** ptr; + u32 base; + u32 size; }; -/*static MemoryView views[] = -{ - {&m_pScratchPad, &m_pPhysicalScratchPad, 0x00010000, SCRATCHPAD_SIZE, 0}, - {NULL, &m_pUncachedScratchPad, 0x40010000, SCRATCHPAD_SIZE, MV_MIRROR_PREVIOUS}, - {&m_pVRAM, &m_pPhysicalVRAM, 0x04000000, 0x00800000, 0}, - {NULL, &m_pUncachedVRAM, 0x44000000, 0x00800000, MV_MIRROR_PREVIOUS}, - {&m_pRAM, &m_pPhysicalRAM, 0x08000000, g_MemorySize, MV_IS_PRIMARY_RAM}, // only from 0x08800000 is it usable (last 24 megs) - {NULL, &m_pUncachedRAM, 0x48000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM}, - {NULL, &m_pKernelRAM, 0x88000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM}, +// We don't declare the IO regions in here since its handled by other means. +static MemoryArea memory_areas[] = { + {&g_exefs_code, PROCESS_IMAGE_VADDR, PROCESS_IMAGE_MAX_SIZE}, + {&g_heap, HEAP_VADDR, HEAP_SIZE }, + {&g_shared_mem, SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE }, + {&g_heap_linear, LINEAR_HEAP_VADDR, LINEAR_HEAP_SIZE }, + {&g_vram, VRAM_VADDR, VRAM_SIZE }, + {&g_dsp_mem, DSP_RAM_VADDR, DSP_RAM_SIZE }, + {&g_tls_mem, TLS_AREA_VADDR, TLS_AREA_SIZE }, +}; - // TODO: There are a few swizzled mirrors of VRAM, not sure about the best way to - // implement those. -};*/ +/// Represents a block of memory mapped by ControlMemory/MapMemoryBlock +struct MemoryBlock { + MemoryBlock() : handle(0), base_address(0), address(0), size(0), operation(0), permissions(0) { + } + u32 handle; + u32 base_address; + u32 address; + u32 size; + u32 operation; + u32 permissions; + + const u32 GetVirtualAddress() const{ + return base_address + address; + } +}; -static const int kNumMemViews = sizeof(g_views) / sizeof(MemoryView); ///< Number of mem views +static std::map<u32, MemoryBlock> heap_map; +static std::map<u32, MemoryBlock> heap_linear_map; -void Init() { - int flags = 0; +} + +u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) { + MemoryBlock block; - for (size_t i = 0; i < ARRAY_SIZE(g_views); i++) { - if (g_views[i].flags & MV_IS_PRIMARY_RAM) - g_views[i].size = FCRAM_SIZE; + block.base_address = HEAP_VADDR; + block.size = size; + block.operation = operation; + block.permissions = permissions; + + if (heap_map.size() > 0) { + const MemoryBlock last_block = heap_map.rbegin()->second; + block.address = last_block.address + last_block.size; } + heap_map[block.GetVirtualAddress()] = block; + + return block.GetVirtualAddress(); +} + +u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) { + MemoryBlock block; - g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &arena); + block.base_address = LINEAR_HEAP_VADDR; + block.size = size; + block.operation = operation; + block.permissions = permissions; + + if (heap_linear_map.size() > 0) { + const MemoryBlock last_block = heap_linear_map.rbegin()->second; + block.address = last_block.address + last_block.size; + } + heap_linear_map[block.GetVirtualAddress()] = block; - LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p (mirror at 0 @ %p)", g_heap, - physical_fcram); + return block.GetVirtualAddress(); +} + +PAddr VirtualToPhysicalAddress(const VAddr addr) { + if (addr == 0) { + return 0; + } else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) { + 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 >= 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; + } + + LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08x", addr); + // To help with debugging, set bit on address so that it's obviously invalid. + return addr | 0x80000000; +} + +VAddr PhysicalToVirtualAddress(const PAddr addr) { + if (addr == 0) { + return 0; + } else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) { + return addr - VRAM_PADDR + VRAM_VADDR; + } else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) { + return addr - FCRAM_PADDR + LINEAR_HEAP_VADDR; + } else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) { + 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; + } + + LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08x", addr); + // To help with debugging, set bit on address so that it's obviously invalid. + return addr | 0x80000000; +} + +void Init() { + InitMemoryMap(); + + for (MemoryArea& area : memory_areas) { + *area.ptr = new u8[area.size]; + MapMemoryRegion(area.base, area.size, *area.ptr); + } + MapMemoryRegion(CONFIG_MEMORY_VADDR, CONFIG_MEMORY_SIZE, (u8*)&ConfigMem::config_mem); + MapMemoryRegion(SHARED_PAGE_VADDR, SHARED_PAGE_SIZE, (u8*)&SharedPage::shared_page); + + LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p", g_heap); } void Shutdown() { - u32 flags = 0; - MemoryMap_Shutdown(g_views, kNumMemViews, flags, &arena); + heap_map.clear(); + heap_linear_map.clear(); - arena.ReleaseSpace(); - g_base = nullptr; + for (MemoryArea& area : memory_areas) { + delete[] *area.ptr; + *area.ptr = nullptr; + } LOG_DEBUG(HW_Memory, "shutdown OK"); } |