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authorGravatar bunnei <ericbunnie@gmail.com>2014-04-17 21:05:34 -0400
committerGravatar bunnei <ericbunnie@gmail.com>2014-04-17 21:05:34 -0400
commit09ffe87360f39a76b084fe1c9bac2330d6f6f790 (patch)
treee6e670628ad7f49eaa32008f10ea4abe89584be0 /src/core/mem_map.h
parentae99574b6dd2f21960bd42e0bb9a1978e18413d4 (diff)
more various refactors to memory interface
Diffstat (limited to 'src/core/mem_map.h')
-rw-r--r--src/core/mem_map.h53
1 files changed, 33 insertions, 20 deletions
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();