92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
#include "emc_patcher.h"
|
|
#include "file_utils.h"
|
|
#include "board.h"
|
|
|
|
|
|
#define MC_BASE 0x70019000
|
|
#define EMC_BASE 0x7001B000
|
|
#define MC_EMC_BASE_SIZE 0x1000
|
|
#define EMC_TIMING_CONTROL_0 0x28
|
|
#define EMC_RAS_0 0x34
|
|
#define EMC_RAS_BIT_END 5
|
|
|
|
#define HOSSVC_HAS_MM (hosversionAtLeast(10,0,0))
|
|
|
|
|
|
EMCpatcher* EMCpatcher::instance = nullptr;
|
|
|
|
EMCpatcher* EMCpatcher::GetInstance()
|
|
{
|
|
return instance;
|
|
}
|
|
|
|
void EMCpatcher::Initialize()
|
|
{
|
|
if (!instance)
|
|
{
|
|
instance = new EMCpatcher();
|
|
FileUtils::LogLine("[emc] Initialized EMCpatcher");
|
|
}
|
|
}
|
|
|
|
Config *EMCpatcher::GetConfig()
|
|
{
|
|
return this->config;
|
|
}
|
|
|
|
void EMCpatcher::Exit()
|
|
{
|
|
if (instance)
|
|
{
|
|
FileUtils::LogLine("[emc] Exiting EMCpatcher");
|
|
delete instance;
|
|
instance = nullptr;
|
|
}
|
|
}
|
|
|
|
EMCpatcher::EMCpatcher()
|
|
{
|
|
this->config = Config::CreateDefault();
|
|
}
|
|
|
|
|
|
|
|
EMCpatcher::~EMCpatcher()
|
|
{
|
|
delete this->config;
|
|
}
|
|
|
|
void EMCpatcher::Run()
|
|
{
|
|
std::scoped_lock lock{this->patcherMutex};
|
|
this->config->Refresh();
|
|
this->ApplyEMCPatch();
|
|
}
|
|
|
|
|
|
void EMCpatcher::ApplyEMCPatch()
|
|
{
|
|
if(HOSSVC_HAS_MM) { // only for 10.0.0+, older versions need rewrites
|
|
u64 mc_virt_addr = 0;
|
|
u64 mc_out_size = 0;
|
|
u64 emc_virt_addr = 0;
|
|
u64 emc_out_size = 0;
|
|
Result rc;
|
|
|
|
rc = svcQueryMemoryMapping(&mc_virt_addr, &mc_out_size, MC_BASE, MC_EMC_BASE_SIZE); // map mc
|
|
ASSERT_RESULT_OK(rc, "svcQueryMemoryMapping");
|
|
|
|
rc = svcQueryMemoryMapping(&emc_virt_addr, &emc_out_size, EMC_BASE, MC_EMC_BASE_SIZE); // map emc
|
|
ASSERT_RESULT_OK(rc, "svcQueryMemoryMapping");
|
|
|
|
write_reg64(emc_virt_addr, EMC_RAS_0, 1);
|
|
|
|
write_reg64(emc_virt_addr, EMC_TIMING_CONTROL_0, 0x1); // apply shadow regs
|
|
|
|
|
|
svcUnmapMemory((void *)mc_virt_addr, (void *)MC_BASE, MC_EMC_BASE_SIZE); // clean up
|
|
svcUnmapMemory((void *)emc_virt_addr, (void *)EMC_BASE, MC_EMC_BASE_SIZE);
|
|
|
|
}
|
|
}
|