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Diffstat (limited to 'src/core/mem_map_funcs.cpp')
-rw-r--r--src/core/mem_map_funcs.cpp106
1 files changed, 47 insertions, 59 deletions
diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp
index 9a19c9bf..a8e0fed0 100644
--- a/src/core/mem_map_funcs.cpp
+++ b/src/core/mem_map_funcs.cpp
@@ -18,40 +18,40 @@ namespace Memory {
static std::map<u32, MemoryBlock> heap_map;
static std::map<u32, MemoryBlock> heap_linear_map;
-/// Convert a physical address to virtual address
-VAddr PhysicalToVirtualAddress(const PAddr addr) {
- // Our memory interface read/write functions assume virtual addresses. Put any physical address
- // to virtual address translations here. This is quite hacky, but necessary until we implement
- // proper MMU emulation.
- // TODO: Screw it, I'll let bunnei figure out how to do this properly.
+PAddr VirtualToPhysicalAddress(const VAddr 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 + HEAP_LINEAR_VADDR;
+ } 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 physical address @ 0x%08x", addr);
- return addr;
+ 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;
}
-/// Convert a physical address to virtual address
-PAddr VirtualToPhysicalAddress(const VAddr addr) {
- // Our memory interface read/write functions assume virtual addresses. Put any physical address
- // to virtual address translations here. This is quite hacky, but necessary until we implement
- // proper MMU emulation.
- // TODO: Screw it, I'll let bunnei figure out how to do this properly.
+VAddr PhysicalToVirtualAddress(const PAddr addr) {
if (addr == 0) {
return 0;
- } else if ((addr >= VRAM_VADDR) && (addr < VRAM_VADDR_END)) {
- return addr - VRAM_VADDR + VRAM_PADDR;
- } else if ((addr >= HEAP_LINEAR_VADDR) && (addr < HEAP_LINEAR_VADDR_END)) {
- return addr - HEAP_LINEAR_VADDR + FCRAM_PADDR;
+ } 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 virtual address @ 0x%08x", addr);
- return addr;
+ 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;
}
template <typename T>
@@ -61,16 +61,16 @@ inline void Read(T &var, const VAddr vaddr) {
// Could just do a base-relative read, too.... TODO
// Kernel memory command buffer
- if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
- var = *((const T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR]);
+ if (vaddr >= TLS_AREA_VADDR && vaddr < TLS_AREA_VADDR_END) {
+ var = *((const T*)&g_tls_mem[vaddr - TLS_AREA_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_VADDR]);
+ } else if ((vaddr >= PROCESS_IMAGE_VADDR) && (vaddr < PROCESS_IMAGE_VADDR_END)) {
+ var = *((const T*)&g_exefs_code[vaddr - PROCESS_IMAGE_VADDR]);
// FCRAM - linear heap
- } else if ((vaddr >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) {
- var = *((const T*)&g_heap_linear[vaddr - HEAP_LINEAR_VADDR]);
+ } else if ((vaddr >= LINEAR_HEAP_VADDR) && (vaddr < LINEAR_HEAP_VADDR_END)) {
+ var = *((const T*)&g_heap_linear[vaddr - LINEAR_HEAP_VADDR]);
// FCRAM - application heap
} else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) {
@@ -80,10 +80,6 @@ inline void Read(T &var, const VAddr vaddr) {
} else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) {
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_VADDR]);
-
// Config memory
} else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) {
ConfigMem::Read<T>(var, vaddr);
@@ -93,8 +89,8 @@ inline void Read(T &var, const VAddr vaddr) {
SharedPage::Read<T>(var, vaddr);
// DSP memory
- } else if ((vaddr >= DSP_MEMORY_VADDR) && (vaddr < DSP_MEMORY_VADDR_END)) {
- var = *((const T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR]);
+ } else if ((vaddr >= DSP_RAM_VADDR) && (vaddr < DSP_RAM_VADDR_END)) {
+ var = *((const T*)&g_dsp_mem[vaddr - DSP_RAM_VADDR]);
// VRAM
} else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) {
@@ -109,16 +105,16 @@ template <typename T>
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_VADDR] = data;
+ if (vaddr >= TLS_AREA_VADDR && vaddr < TLS_AREA_VADDR_END) {
+ *(T*)&g_tls_mem[vaddr - TLS_AREA_VADDR] = data;
// ExeFS:/.code is loaded here
- } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) {
- *(T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR] = data;
+ } else if ((vaddr >= PROCESS_IMAGE_VADDR) && (vaddr < PROCESS_IMAGE_VADDR_END)) {
+ *(T*)&g_exefs_code[vaddr - PROCESS_IMAGE_VADDR] = data;
// FCRAM - linear heap
- } else if ((vaddr >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) {
- *(T*)&g_heap_linear[vaddr - HEAP_LINEAR_VADDR] = data;
+ } else if ((vaddr >= LINEAR_HEAP_VADDR) && (vaddr < LINEAR_HEAP_VADDR_END)) {
+ *(T*)&g_heap_linear[vaddr - LINEAR_HEAP_VADDR] = data;
// FCRAM - application heap
} else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) {
@@ -128,17 +124,13 @@ inline void Write(const VAddr vaddr, const T data) {
} else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) {
*(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_VADDR] = data;
-
// VRAM
} else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) {
*(T*)&g_vram[vaddr - VRAM_VADDR] = data;
// DSP memory
- } else if ((vaddr >= DSP_MEMORY_VADDR) && (vaddr < DSP_MEMORY_VADDR_END)) {
- *(T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR] = data;
+ } else if ((vaddr >= DSP_RAM_VADDR) && (vaddr < DSP_RAM_VADDR_END)) {
+ *(T*)&g_dsp_mem[vaddr - DSP_RAM_VADDR] = data;
//} else if ((vaddr & 0xFFFF0000) == 0x1FF80000) {
// ASSERT_MSG(MEMMAP, false, "umimplemented write to Configuration Memory");
@@ -153,16 +145,16 @@ 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_VADDR);
+ if (vaddr >= TLS_AREA_VADDR && vaddr < TLS_AREA_VADDR_END) {
+ return g_tls_mem + (vaddr - TLS_AREA_VADDR);
// ExeFS:/.code is loaded here
- } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) {
- return g_exefs_code + (vaddr - EXEFS_CODE_VADDR);
+ } else if ((vaddr >= PROCESS_IMAGE_VADDR) && (vaddr < PROCESS_IMAGE_VADDR_END)) {
+ return g_exefs_code + (vaddr - PROCESS_IMAGE_VADDR);
// FCRAM - linear heap
- } else if ((vaddr >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) {
- return g_heap_linear + (vaddr - HEAP_LINEAR_VADDR);
+ } else if ((vaddr >= LINEAR_HEAP_VADDR) && (vaddr < LINEAR_HEAP_VADDR_END)) {
+ return g_heap_linear + (vaddr - LINEAR_HEAP_VADDR);
// FCRAM - application heap
} else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) {
@@ -172,10 +164,6 @@ u8 *GetPointer(const VAddr vaddr) {
} else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) {
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_VADDR);
-
// VRAM
} else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) {
return g_vram + (vaddr - VRAM_VADDR);
@@ -206,7 +194,7 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
- block.base_address = HEAP_LINEAR_VADDR;
+ block.base_address = LINEAR_HEAP_VADDR;
block.size = size;
block.operation = operation;
block.permissions = permissions;