From 1c0b87edc2d8262c06ea4c301bcfc884875f918b Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Sat, 9 May 2015 00:39:56 -0300 Subject: Memory: Re-organize and rename memory area address constants --- src/core/mem_map.h | 163 +++++++++++++++++++++++++++++------------------------ 1 file changed, 88 insertions(+), 75 deletions(-) (limited to 'src/core/mem_map.h') 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(); -- cgit v1.2.3