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authorYuri Kunde Schlesner <yuriks@yuriks.net>2015-05-09 05:39:56 +0200
committerYuri Kunde Schlesner <yuriks@yuriks.net>2015-05-09 06:29:52 +0200
commit1c0b87edc2d8262c06ea4c301bcfc884875f918b (patch)
treef5b49739cc6cb7ca758111c5171c84b2c3152f5f /src/core/mem_map.h
parentLoader: Remove .bin file support (diff)
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Diffstat (limited to '')
-rw-r--r--src/core/mem_map.h163
1 files changed, 88 insertions, 75 deletions
diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index fb582d65a..3866a3a11 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -12,79 +12,93 @@ namespace Memory {
const u32 PAGE_SIZE = 0x1000;
-enum : u32 {
- BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size
- BOOTROM_PADDR = 0x00000000, ///< Bootrom physical address
- BOOTROM_PADDR_END = (BOOTROM_PADDR + BOOTROM_SIZE),
-
- BOOTROM_MIRROR_SIZE = 0x00010000, ///< Bootrom Mirror size
- BOOTROM_MIRROR_PADDR = 0x00010000, ///< Bootrom Mirror physical address
- BOOTROM_MIRROR_PADDR_END = (BOOTROM_MIRROR_PADDR + BOOTROM_MIRROR_SIZE),
-
- MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size
- MPCORE_PRIV_PADDR = 0x17E00000, ///< MPCore private memory region physical address
- MPCORE_PRIV_PADDR_END = (MPCORE_PRIV_PADDR + MPCORE_PRIV_SIZE),
-
- FCRAM_SIZE = 0x08000000, ///< FCRAM size
- FCRAM_PADDR = 0x20000000, ///< FCRAM physical address
- FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE),
-
- HEAP_SIZE = FCRAM_SIZE, ///< Application heap size
- HEAP_VADDR = 0x08000000,
- HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE),
-
- HEAP_LINEAR_SIZE = FCRAM_SIZE,
- HEAP_LINEAR_VADDR = 0x14000000,
- HEAP_LINEAR_VADDR_END = (HEAP_LINEAR_VADDR + HEAP_LINEAR_SIZE),
-
- AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size
- AXI_WRAM_PADDR = 0x1FF80000, ///< AXI WRAM physical address
- AXI_WRAM_PADDR_END = (AXI_WRAM_PADDR + AXI_WRAM_SIZE),
-
- SHARED_MEMORY_SIZE = 0x04000000, ///< Shared memory size
- SHARED_MEMORY_VADDR = 0x10000000, ///< Shared memory
- SHARED_MEMORY_VADDR_END = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE),
-
- DSP_MEMORY_SIZE = 0x00080000, ///< DSP memory size
- DSP_MEMORY_VADDR = 0x1FF00000, ///< DSP memory virtual address
- DSP_MEMORY_VADDR_END = (DSP_MEMORY_VADDR + DSP_MEMORY_SIZE),
-
- CONFIG_MEMORY_SIZE = 0x00001000, ///< Configuration memory size
- CONFIG_MEMORY_VADDR = 0x1FF80000, ///< Configuration memory virtual address
- CONFIG_MEMORY_VADDR_END = (CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE),
-
- SHARED_PAGE_SIZE = 0x00001000, ///< Shared page size
- SHARED_PAGE_VADDR = 0x1FF81000, ///< Shared page virtual address
- SHARED_PAGE_VADDR_END = (SHARED_PAGE_VADDR + SHARED_PAGE_SIZE),
-
- KERNEL_MEMORY_SIZE = 0x00001000, ///< Kernel memory size
- KERNEL_MEMORY_VADDR = 0xFFFF0000, ///< Kernel memory where the kthread objects etc are
- KERNEL_MEMORY_VADDR_END = (KERNEL_MEMORY_VADDR + KERNEL_MEMORY_SIZE),
-
- EXEFS_CODE_SIZE = 0x03F00000,
- EXEFS_CODE_VADDR = 0x00100000, ///< ExeFS:/.code is loaded here
- EXEFS_CODE_VADDR_END = (EXEFS_CODE_VADDR + EXEFS_CODE_SIZE),
-
- // Region of FCRAM used by system
- SYSTEM_MEMORY_SIZE = 0x02C00000, ///< 44MB
- SYSTEM_MEMORY_VADDR = 0x04000000,
- SYSTEM_MEMORY_VADDR_END = (SYSTEM_MEMORY_VADDR + SYSTEM_MEMORY_SIZE),
-
- 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),
- HARDWARE_IO_VADDR_END = (HARDWARE_IO_VADDR + HARDWARE_IO_SIZE),
-
- VRAM_SIZE = 0x00600000,
- VRAM_PADDR = 0x18000000,
- VRAM_VADDR = 0x1F000000,
- VRAM_PADDR_END = (VRAM_PADDR + VRAM_SIZE),
- VRAM_VADDR_END = (VRAM_VADDR + VRAM_SIZE),
-
- SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader
- SCRATCHPAD_VADDR_END = 0x10000000,
- SCRATCHPAD_VADDR = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space
+/// Physical memory regions as seen from the ARM11
+enum : PAddr {
+ /// IO register area
+ IO_AREA_PADDR = 0x10100000,
+ IO_AREA_SIZE = 0x01000000, ///< IO area size (16MB)
+ IO_AREA_PADDR_END = IO_AREA_PADDR + IO_AREA_SIZE,
+
+ /// MPCore internal memory region
+ MPCORE_RAM_PADDR = 0x17E00000,
+ MPCORE_RAM_SIZE = 0x00002000, ///< MPCore internal memory size (8KB)
+ MPCORE_RAM_PADDR_END = MPCORE_RAM_PADDR + MPCORE_RAM_SIZE,
+
+ /// Video memory
+ VRAM_PADDR = 0x18000000,
+ VRAM_SIZE = 0x00600000, ///< VRAM size (6MB)
+ VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE,
+
+ /// DSP memory
+ DSP_RAM_PADDR = 0x1FF00000,
+ DSP_RAM_SIZE = 0x00080000, ///< DSP memory size (512KB)
+ DSP_RAM_PADDR_END = DSP_RAM_PADDR + DSP_RAM_SIZE,
+
+ /// AXI WRAM
+ AXI_WRAM_PADDR = 0x1FF80000,
+ AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size (512KB)
+ AXI_WRAM_PADDR_END = AXI_WRAM_PADDR + AXI_WRAM_SIZE,
+
+ /// Main FCRAM
+ FCRAM_PADDR = 0x20000000,
+ FCRAM_SIZE = 0x08000000, ///< FCRAM size (128MB)
+ FCRAM_PADDR_END = FCRAM_PADDR + FCRAM_SIZE,
+};
+
+/// Virtual user-space memory regions
+enum : VAddr {
+ /// Where the application text, data and bss reside.
+ PROCESS_IMAGE_VADDR = 0x00100000,
+ PROCESS_IMAGE_MAX_SIZE = 0x03F00000,
+ PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE,
+
+ /// Area where IPC buffers are mapped onto.
+ IPC_MAPPING_VADDR = 0x04000000,
+ IPC_MAPPING_SIZE = 0x04000000,
+ IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE,
+
+ /// Application heap (includes stack).
+ HEAP_VADDR = 0x08000000,
+ HEAP_SIZE = 0x08000000,
+ HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
+
+ /// Area where shared memory buffers are mapped onto.
+ SHARED_MEMORY_VADDR = 0x10000000,
+ SHARED_MEMORY_SIZE = 0x04000000,
+ SHARED_MEMORY_VADDR_END = SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE,
+
+ /// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical memory.
+ LINEAR_HEAP_VADDR = 0x14000000,
+ LINEAR_HEAP_SIZE = 0x08000000,
+ LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE,
+
+ /// Maps 1:1 to the IO register area.
+ IO_AREA_VADDR = 0x1EC00000,
+ IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE,
+
+ /// Maps 1:1 to VRAM.
+ VRAM_VADDR = 0x1F000000,
+ VRAM_VADDR_END = VRAM_VADDR + VRAM_SIZE,
+
+ /// Maps 1:1 to DSP memory.
+ DSP_RAM_VADDR = 0x1FF00000,
+ DSP_RAM_VADDR_END = DSP_RAM_VADDR + DSP_RAM_SIZE,
+
+ /// Read-only page containing kernel and system configuration values.
+ CONFIG_MEMORY_VADDR = 0x1FF80000,
+ CONFIG_MEMORY_SIZE = 0x00001000,
+ CONFIG_MEMORY_VADDR_END = CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE,
+
+ /// Usually read-only page containing mostly values read from hardware.
+ SHARED_PAGE_VADDR = 0x1FF81000,
+ SHARED_PAGE_SIZE = 0x00001000,
+ SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE,
+
+ // TODO(yuriks): The exact location and size of this area is uncomfirmed.
+ /// Area where TLS (Thread-Local Storage) buffers are allocated.
+ TLS_AREA_VADDR = 0x1FFA0000,
+ TLS_AREA_SIZE = 0x00002000, // Each TLS buffer is 0x200 bytes, allows for 16 threads
+ TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
};
////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -111,9 +125,8 @@ extern u8* g_heap_linear; ///< Linear 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_kernel_mem; ///< Kernel memory
+extern u8* g_tls_mem; ///< TLS memory
extern u8* g_dsp_mem; ///< DSP memory
-extern u8* g_system_mem; ///< System memory
extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here
void Init();