From b7cd4c9e90be42476a2e242571d36cbbca2fbd4c Mon Sep 17 00:00:00 2001
From: bunnei <ericbunnie@gmail.com>
Date: Thu, 24 Apr 2014 22:32:26 -0400
Subject: added functions to map Heap and Shared memory space

---
 src/core/mem_map.h | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

(limited to 'src/core/mem_map.h')

diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index ab1eb260..5346d04e 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -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);
-- 
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