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-rw-r--r--src/core/mem_map.cpp122
1 files changed, 112 insertions, 10 deletions
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
index f99520464..5ecec9566 100644
--- a/src/core/mem_map.cpp
+++ b/src/core/mem_map.cpp
@@ -2,10 +2,16 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#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"
////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -23,33 +29,129 @@ namespace {
struct MemoryArea {
u8** ptr;
- size_t size;
+ u32 base;
+ u32 size;
};
// We don't declare the IO regions in here since its handled by other means.
static MemoryArea memory_areas[] = {
- {&g_exefs_code, PROCESS_IMAGE_MAX_SIZE},
- {&g_heap, HEAP_SIZE },
- {&g_shared_mem, SHARED_MEMORY_SIZE },
- {&g_heap_linear, LINEAR_HEAP_SIZE },
- {&g_vram, VRAM_SIZE },
- {&g_dsp_mem, DSP_RAM_SIZE },
- {&g_tls_mem, TLS_AREA_SIZE },
+ {&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 },
+};
+
+/// 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 std::map<u32, MemoryBlock> heap_map;
+static std::map<u32, MemoryBlock> heap_linear_map;
+
+}
+
+u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
+ MemoryBlock block;
+
+ 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;
+
+ 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;
+
+ 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);
}
- MemBlock_Init();
+ 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() {
- MemBlock_Shutdown();
+ heap_map.clear();
+ heap_linear_map.clear();
+
for (MemoryArea& area : memory_areas) {
delete[] *area.ptr;
*area.ptr = nullptr;