3 files changed, 43 insertions, 22 deletions

diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
index 96245e320..af99cbe32 100644
--- a/src/core/mem_map.cpp
+++ b/src/core/mem_map.cpp
@@ -16,6 +16,7 @@ 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_heap                      = NULL;         ///< Application heap (main memory)
 u8* g_heap_gsp                  = NULL;         ///< GSP heap (main memory)
 u8* g_vram                      = NULL;         ///< Video memory (VRAM) pointer
@@ -24,6 +25,7 @@ u8* g_shared_mem                = NULL;         ///< Shared memory
 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_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)
@@ -31,6 +33,7 @@ u8* g_physical_shared_mem       = NULL;         ///< Physical shared memory
 
 // We don't declare the IO region in here since its handled by other means.
 static MemoryView g_views[] = {
+    {&g_exefs_code, &g_physical_exefs_code, EXEFS_CODE_VADDR,       EXEFS_CODE_SIZE,    0},
     {&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},
diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index 509fc8fd9..00c3b47fc 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -17,39 +17,41 @@ enum {
     VRAM_SIZE               = 0x00600000,   ///< VRAM size
     DSP_SIZE                = 0x00080000,   ///< DSP memory size
     AXI_WRAM_SIZE           = 0x00080000,   ///< AXI WRAM size
+
     FCRAM_SIZE              = 0x08000000,   ///< FCRAM size
-    SCRATCHPAD_SIZE         = 0x00004000,   ///< Typical stack size - TODO: Read from exheader
-    HEAP_GSP_SIZE           = 0x02000000,   ///< GSP heap size... TODO: Define correctly?
-    HEAP_SIZE               = FCRAM_SIZE,   ///< Application heap size
-    SHARED_MEMORY_SIZE      = 0x04000000,   ///< Shared memory size
-    HARDWARE_IO_SIZE        = 0x01000000,
+    FCRAM_PADDR             = 0x20000000,                       ///< FCRAM physical address
+    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_VADDR_FW0B        = 0xF0000000,                       ///< FCRAM adress for firmare FW0B
+    FCRAM_VADDR_FW0B_END    = (FCRAM_VADDR_FW0B + FCRAM_SIZE),  ///< FCRAM adress end for FW0B
+    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),
 
-    HEAP_PADDR              = HEAP_GSP_SIZE,
-    HEAP_PADDR_END          = (HEAP_PADDR + HEAP_SIZE),
+    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         = (EXEFS_CODE_VADDR - 1),
+
+    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),
-
-    VRAM_MASK               = 0x007FFFFF,
-    FCRAM_MASK              = (FCRAM_SIZE - 1),                 ///< FCRAM mask
-    SCRATCHPAD_MASK         = (SCRATCHPAD_SIZE - 1),            ///< Scratchpad memory mask
     HEAP_GSP_MASK           = (HEAP_GSP_SIZE - 1),
-    HEAP_MASK               = (HEAP_SIZE - 1),
-    SHARED_MEMORY_MASK      = (SHARED_MEMORY_SIZE - 1),
-
-    FCRAM_PADDR             = 0x20000000,                       ///< FCRAM physical address
-    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
-    FRAM_VADDR_FW0B         = 0xF0000000,                       ///< FCRAM adress for firmare FW0B
-    FRAM_VADDR_FW0B_END     = (FRAM_VADDR_FW0B + FCRAM_SIZE),   ///< FCRAM adress end for FW0B
 
+    HARDWARE_IO_SIZE        = 0x01000000,
     HARDWARE_IO_PADDR       = 0x10000000,                       ///< IO physical address start
     HARDWARE_IO_VADDR       = 0x1EC00000,                       ///< IO virtual address start
     HARDWARE_IO_PADDR_END   = (HARDWARE_IO_PADDR + HARDWARE_IO_SIZE),
@@ -59,9 +61,12 @@ 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
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -100,6 +105,7 @@ extern u8* g_heap_gsp;      ///< GSP heap (main memory)
 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_exefs_code;    ///< ExeFS:/.code is loaded here
 
 void Init();
 void Shutdown();
diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp
index c057a8114..2284b535c 100644
--- a/src/core/mem_map_funcs.cpp
+++ b/src/core/mem_map_funcs.cpp
@@ -25,7 +25,7 @@ u32 _VirtualAddress(const u32 addr) {
         return VirtualAddressFromPhysical_FCRAM(addr);
 
     // Virtual address mapping FW0B
-    } else if ((addr >= FRAM_VADDR_FW0B) && (addr < FRAM_VADDR_FW0B_END)) {
+    } else if ((addr >= FCRAM_VADDR_FW0B) && (addr < FCRAM_VADDR_FW0B_END)) {
         return VirtualAddressFromPhysical_FCRAM(addr);
 
     // Hardware IO
@@ -58,6 +58,10 @@ inline void _Read(T &var, const u32 addr) {
     } else if ((vaddr >= HARDWARE_IO_VADDR) && (vaddr < HARDWARE_IO_VADDR_END)) {
         HW::Read<T>(var, 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]);
+
     // FCRAM - GSP heap
     } else if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) {
         var = *((const T*)&g_heap_gsp[vaddr & HEAP_GSP_MASK]);
@@ -94,6 +98,10 @@ inline void _Write(u32 addr, const T data) {
     } else if ((vaddr >= HARDWARE_IO_VADDR) && (vaddr < HARDWARE_IO_VADDR_END)) {
         HW::Write<T>(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_MASK] = data;
+
     // FCRAM - GSP heap
     } else if ((vaddr >= HEAP_GSP_VADDR)  && (vaddr < HEAP_GSP_VADDR_END)) {
         *(T*)&g_heap_gsp[vaddr & HEAP_GSP_MASK] = data;
@@ -127,8 +135,12 @@ inline void _Write(u32 addr, const T data) {
 u8 *GetPointer(const u32 addr) {
     const u32 vaddr = _VirtualAddress(addr);
 
+    // ExeFS:/.code is loaded here
+    if ((vaddr >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {
+        return g_exefs_code + (vaddr & EXEFS_CODE_MASK);
+
     // FCRAM - GSP heap
-    if ((vaddr >= HEAP_GSP_VADDR)  && (vaddr < HEAP_GSP_VADDR_END)) {
+    } else if ((vaddr >= HEAP_GSP_VADDR)  && (vaddr < HEAP_GSP_VADDR_END)) {
         return g_heap_gsp + (vaddr & HEAP_GSP_MASK);
 
     // FCRAM - application heap