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Add memory region for area usable for the GPU

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This commit is contained in:
Maschell 2019-02-08 12:49:49 +01:00
parent 2c743ec133
commit 64e4ed5f71
1 changed files with 41 additions and 2 deletions
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43
src/mymemory/memory_mapping.h
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@ -35,7 +35,8 @@ typedef struct _memory_mapping_t {
#define MEMORY_START_BASE 0x80000000
#define MEMORY_LOADER_SPACE_SIZE 0x00800000 // At most: 8MB for the plugin loader.
#define MEMORY_PLUGIN_SPACE_SIZE 0x07800000 // At most: 120MB for plugins.
#define MEMORY_PLUGIN_SPACE_SIZE 0x04000000 // At most: 64MB for plugins.
#define MEMORY_VIDEO_SPACE_SIZE 0x03600000 // At most: 56MB for video.
#define MEMORY_PLUGIN_HEAP_SIZE 0x08000000 // At most: 128MB for plugins heap.
#define MEMORY_START_PLUGIN_LOADER MEMORY_START_BASE
@ -44,7 +45,10 @@ typedef struct _memory_mapping_t {
#define MEMORY_START_PLUGIN_SPACE MEMORY_START_PLUGIN_LOADER_END
#define MEMORY_START_PLUGIN_SPACE_END MEMORY_START_PLUGIN_SPACE + MEMORY_PLUGIN_SPACE_SIZE
#define MEMORY_START_PLUGIN_HEAP MEMORY_START_PLUGIN_SPACE_END
#define MEMORY_START_VIDEO_SPACE MEMORY_START_PLUGIN_SPACE_END
#define MEMORY_START_VIDEO_SPACE_END MEMORY_START_VIDEO_SPACE + MEMORY_VIDEO_SPACE_SIZE
#define MEMORY_START_PLUGIN_HEAP MEMORY_START_VIDEO_SPACE_END
#define MEMORY_START_PLUGIN_HEAP_END MEMORY_START_PLUGIN_HEAP + MEMORY_PLUGIN_HEAP_SIZE
const memory_values_t mem_vals_loader[] = {
@ -57,6 +61,40 @@ const memory_values_t mem_vals_plugins[] = {
{0,0}
};
const memory_values_t mem_vals_video[] = {
// The GPU doesn't have access to the 0x28000000 - 0x32000000 area, so we need memory from somewhere else.
// From the SharedReadHeap of the loader.
//
// #define TinyHeap_Alloc ((int32_t (*)(void* heap, int32_t size, int32_t align,void ** outPtr))0x0101235C)
// #define TinyHeap_Free ((void (*)(void* heap, void * ptr))0x01012814)
// uint32_t SharedReadHeapTrackingAddr = 0xFA000000 + 0x18 + 0x830 // see https://github.com/decaf-emu/decaf-emu/blob/master/src/libdecaf/src/cafe/loader/cafe_loader_shared.cpp#L490
//
// Map the area of the heap to somewhere in the user space and test allocation with
// void * heap = (void*) SharedReadHeapTrackingAddr - [delta due mapping e.g (0xF8000000 + 0x80000000)];
// int size = 0x20000; // value have to be a multiple of 0x20000;
// while(true){
// void * outPtr = NULL;
// if(TinyHeap_Alloc(heap,size, 0x20000,&outPtr) == 0){ // value have to be a multiple of 0x20000;
// DEBUG_FUNCTION_LINE("Allocated %d kb on heap %08X (PA %08X)\n",size/1024,(uint32_t)outPtr, OSEffectiveToPhysical(outPtr));
// TinyHeap_Free(heap, outPtr);
// }else{
// DEBUG_FUNCTION_LINE("Failed %08X\n",(uint32_t)outPtr);
// break;
// }
// size += 0x20000; // value have to be a multiple of 0x20000;
// }
//
{0x1A020000 , 0x1A020000 +0xE60000}, // size: 14720 kB
// The following chunk were empty while early tests and are maybe promising. However we can get 15mb from
// a loader heap. Which should be enough for now.
//{0x14000000 + 0x02E00000 , 0x14000000 +0x034E0000}, // size: 7040 kB
//{0x14000000 + 0x02820000 , 0x14000000 +0x02C20000}, // size: 4096 kB
//{0x14000000 + 0x05AE0000 , 0x14000000 +0x06000000}, // size: 5248 kB
//{0x14000000 + 0x08040000 , 0x14000000 +0x08400000}, // size: 3840 kB
//{0x18000000 , 0x18000000 +0x3000000}, // size: 3840 kB
{0,0}
};
// Values needs to be aligned to 0x20000 and size needs to be a multiple of 0x20000
const memory_values_t mem_vals_heap[] = {
// 5.5.2 EUR
@ -105,6 +143,7 @@ const memory_mapping_t mem_mapping[] = {
{MEMORY_START_PLUGIN_LOADER, mem_vals_loader},
{MEMORY_START_PLUGIN_SPACE, mem_vals_plugins},
{MEMORY_START_PLUGIN_HEAP, mem_vals_heap},
{MEMORY_START_VIDEO_SPACE, mem_vals_video},
{0,NULL}
};