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added functions to map Heap and Shared memory space

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This commit is contained in:
bunnei 2014-04-24 22:32:26 -04:00
parent 66e1f8ab33
commit b7cd4c9e90
3 changed files with 76 additions and 9 deletions
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27
src/core/mem_map.h
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@ -22,6 +22,8 @@ enum {
HEAP_GSP_SIZE = 0x02000000, ///< GSP heap size... TODO: Define correctly?
HEAP_SIZE = FCRAM_SIZE, ///< Application heap size
SHARED_MEMORY_VADDR = 0x10000000, ///< Shared memory
HEAP_PADDR = HEAP_GSP_SIZE,
HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE),
HEAP_VADDR = 0x08000000,
@ -49,10 +51,11 @@ enum {
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents a block of heap memory mapped by ControlMemory
struct HeapBlock {
HeapBlock() : base_address(0), address(0), size(0), operation(0), permissions(0) {
/// Represents a block of memory mapped by ControlMemory/MapMemoryBlock
struct MemoryBlock {
MemoryBlock() : handle(0), base_address(0), address(0), size(0), operation(0), permissions(0) {
}
u32 handle;
u32 base_address;
u32 address;
u32 size;
@ -98,10 +101,26 @@ void Write32(const u32 addr, const u32 data);
u8* GetPointer(const u32 Address);
/**
* Maps a block of memory in shared memory
* @param handle Handle to map memory block for
* @param addr Address to map memory block to
* @param permissions Memory map permissions
*/
u32 MapBlock_Shared(u32 handle, u32 addr,u32 permissions) ;
/**
* Maps a block of memory on the heap
* @param size Size of block in bytes
* @param operation Memory map operation type
* @param flags Memory allocation flags
*/
u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);
/**
* Maps a block of memory on the GSP heap
* @param size Size of block in bytes
* @param operation Control memory operation
* @param operation Memory map operation type
* @param permissions Control memory permissions
*/
u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions);