more various refactors to memory interface

This commit is contained in:
bunnei 2014-04-17 21:05:34 -04:00
parent ae99574b6d
commit 09ffe87360
3 changed files with 56 additions and 46 deletions

View file

@ -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
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
MEM_VRAM_VADDR = 0x1F000000,
MEM_SCRATCHPAD_VADDR = (0x10000000 - MEM_SCRATCHPAD_SIZE), ///< Scratchpad virtual address
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();