From 09ffe87360f39a76b084fe1c9bac2330d6f6f790 Mon Sep 17 00:00:00 2001 From: bunnei Date: Thu, 17 Apr 2014 21:05:34 -0400 Subject: more various refactors to memory interface --- src/core/mem_map.h | 53 +++++++++++++++++++++++++++++++++-------------------- 1 file changed, 33 insertions(+), 20 deletions(-) (limited to 'src/core/mem_map.h') diff --git a/src/core/mem_map.h b/src/core/mem_map.h index 82cfdece..a1fa90f3 100644 --- a/src/core/mem_map.h +++ b/src/core/mem_map.h @@ -12,25 +12,38 @@ //////////////////////////////////////////////////////////////////////////////////////////////////// enum { - MEM_BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size - MEM_MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size - MEM_VRAM_SIZE = 0x00600000, ///< VRAM size - MEM_DSP_SIZE = 0x00080000, ///< DSP memory size - MEM_AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size - MEM_FCRAM_SIZE = 0x08000000, ///< FCRAM size - MEM_SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader - - MEM_VRAM_MASK = 0x007FFFFF, - MEM_FCRAM_MASK = (MEM_FCRAM_SIZE - 1), ///< FCRAM mask - MEM_SCRATCHPAD_MASK = (MEM_SCRATCHPAD_SIZE - 1), ///< Scratchpad memory mask - - MEM_FCRAM_PADDR = 0x20000000, ///< FCRAM physical address - MEM_FCRAM_PADDR_END = (MEM_FCRAM_PADDR + MEM_FCRAM_SIZE), ///< FCRAM end of physical space - MEM_FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address - MEM_FCRAM_VADDR_END = (MEM_FCRAM_VADDR + MEM_FCRAM_SIZE), ///< FCRAM end of virtual space - - MEM_VRAM_VADDR = 0x1F000000, - MEM_SCRATCHPAD_VADDR = (0x10000000 - MEM_SCRATCHPAD_SIZE), ///< Scratchpad virtual address + BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size + MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size + 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 + + HEAP_PADDR = HEAP_GSP_SIZE, + HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE), + HEAP_VADDR = 0x08000000, + HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE), + 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_MASK = (HEAP_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 + + VRAM_VADDR = 0x1F000000, + SCRATCHPAD_VADDR_END = 0x10000000, + SCRATCHPAD_VADDR = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space }; //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -49,7 +62,7 @@ extern u8 *g_base; // These are guaranteed to point to "low memory" addresses (sub-32-bit). // 64-bit: Pointers to low-mem (sub-0x10000000) mirror // 32-bit: Same as the corresponding physical/virtual pointers. -extern u8* g_fcram; ///< Main memory +extern u8* g_heap; ///< Main memory extern u8* g_vram; ///< Video memory (VRAM) void Init(); -- cgit v1.2.3