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-rw-r--r--src/core/mem_map.cpp3
-rw-r--r--src/core/mem_map.h46
-rw-r--r--src/core/mem_map_funcs.cpp16
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:51:16 +0100