added GSP heap memory allocation

This commit is contained in:
bunnei 2014-04-17 23:05:31 -04:00
parent 33e7d97d46
commit b2baafaf8b
3 changed files with 76 additions and 1 deletions

View File

@ -4,6 +4,10 @@
#include <map> #include <map>
#include "core/mem_map.h"
#include "core/hw/hw_lcd.h"
#include "core/hle/function_wrappers.h" #include "core/hle/function_wrappers.h"
#include "core/hle/syscall.h" #include "core/hle/syscall.h"
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
@ -13,6 +17,26 @@
namespace Syscall { namespace Syscall {
/// Map application or GSP heap memory
Result ControlMemory(void* outaddr, u32 addr0, u32 addr1, u32 size, u32 operation, u32 permissions) {
u32 virtual_address = 0x00000000;
switch (operation) {
// Map GSP heap memory?
case 0x00010003:
virtual_address = Memory::MapBlock_HeapGSP(size, operation, permissions);
break;
// Unknown ControlMemory operation
default:
ERROR_LOG(OSHLE, "Unknown ControlMemory operation %08X", operation);
}
Core::g_app_core->SetReg(1, Memory::MapBlock_HeapGSP(size, operation, permissions));
return 0;
}
/// Connect to an OS service given the port name, returns the handle to the port to out /// Connect to an OS service given the port name, returns the handle to the port to out
Result ConnectToPort(void* out, const char* port_name) { Result ConnectToPort(void* out, const char* port_name) {
Service::Interface* service = Service::g_manager->FetchFromPortName(port_name); Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);
@ -41,7 +65,7 @@ Result WaitSynchronization1(Handle handle, s64 nanoseconds) {
const HLE::FunctionDef Syscall_Table[] = { const HLE::FunctionDef Syscall_Table[] = {
{0x00, NULL, "Unknown"}, {0x00, NULL, "Unknown"},
{0x01, NULL, "ControlMemory"}, {0x01, WrapI_VUUUUU<ControlMemory>, "ControlMemory"},
{0x02, NULL, "QueryMemory"}, {0x02, NULL, "QueryMemory"},
{0x03, NULL, "ExitProcess"}, {0x03, NULL, "ExitProcess"},
{0x04, NULL, "GetProcessAffinityMask"}, {0x04, NULL, "GetProcessAffinityMask"},

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@ -49,6 +49,23 @@ enum {
//////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents a block of heap memory mapped by ControlMemory
struct HeapBlock {
HeapBlock() : base_address(0), address(0), size(0), operation(0), permissions(0) {
}
u32 base_address;
u32 address;
u32 size;
u32 operation;
u32 permissions;
const u32 GetVirtualAddress() const{
return base_address + address;
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Base is a pointer to the base of the memory map. Yes, some MMU tricks // Base is a pointer to the base of the memory map. Yes, some MMU tricks
// are used to set up a full GC or Wii memory map in process memory. on // are used to set up a full GC or Wii memory map in process memory. on
// 32-bit, you have to mask your offsets with 0x3FFFFFFF. This means that // 32-bit, you have to mask your offsets with 0x3FFFFFFF. This means that
@ -81,6 +98,14 @@ void Write32(const u32 addr, const u32 data);
u8* GetPointer(const u32 Address); u8* GetPointer(const u32 Address);
/**
* Maps a block of memory on the GSP heap
* @param size Size of block in bytes
* @param operation Control memory operation
* @param permissions Control memory permissions
*/
u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions);
inline const char* GetCharPointer(const u32 address) { inline const char* GetCharPointer(const u32 address) {
return (const char *)GetPointer(address); return (const char *)GetPointer(address);
} }

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@ -2,6 +2,8 @@
// Licensed under GPLv2 // Licensed under GPLv2
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <map>
#include "common/common.h" #include "common/common.h"
#include "core/mem_map.h" #include "core/mem_map.h"
@ -10,6 +12,8 @@
namespace Memory { namespace Memory {
std::map<u32, HeapBlock> g_heap_gsp_map;
/// Convert a physical address to virtual address /// Convert a physical address to virtual address
u32 _AddressPhysicalToVirtual(const u32 addr) { u32 _AddressPhysicalToVirtual(const u32 addr) {
// Our memory interface read/write functions assume virtual addresses. Put any physical address // Our memory interface read/write functions assume virtual addresses. Put any physical address
@ -116,6 +120,28 @@ u8 *GetPointer(const u32 addr) {
} }
} }
/**
* Maps a block of memory on the GSP heap
* @param size Size of block in bytes
* @param flags Memory allocation flags
*/
u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions) {
HeapBlock block;
block.base_address = HEAP_GSP_VADDR;
block.size = size;
block.operation = operation;
block.permissions = permissions;
if (g_heap_gsp_map.size() > 0) {
const HeapBlock last_block = g_heap_gsp_map.rbegin()->second;
block.address = last_block.address + last_block.size;
}
g_heap_gsp_map[block.GetVirtualAddress()] = block;
return block.GetVirtualAddress();
}
u8 Read8(const u32 addr) { u8 Read8(const u32 addr) {
u8 _var = 0; u8 _var = 0;
_Read<u8>(_var, addr); _Read<u8>(_var, addr);