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Cleanup and improve StartUpProcess

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This commit is contained in:
Florian Bach 2021-02-04 16:23:14 +00:00
parent e25c4e4342
commit 9cabf089ec
4 changed files with 52 additions and 29 deletions
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41
source/StartUpProcess.cpp
View File

@ -235,41 +235,33 @@ int StartUpProcess::Run(int argc, char *argv[])
int StartUpProcess::Execute()
{
Settings.EntryIOS = IOS_GetVersion();
gprintf("Current IOS: %i - have AHB access: %s\n", Settings.EntryIOS, AHBPROT_DISABLED ? "yes" : "no");
// Reloading to cIOS 249 fixes compatibility issues with old forwarders
s32 ret = IosLoader::ReloadIosSafe(249);
// Reload to the IOS set in meta.xml
// Only reload the IOS if the XML requests it, we don't have full HW access or the entry IOS isn't 58
if(Settings.UseArgumentIOS || !AHBPROT_DISABLED || IOS_GetVersion() != 58)
{
if (Settings.UseArgumentIOS)
SetTextf("Reloading to %sIOS %i requested in meta.xml\n", Settings.LoaderIOS >= 200 ? "c" : "", Settings.LoaderIOS);
else
SetTextf("Reloading to %sIOS %i\n", Settings.LoaderIOS >= 200 ? "c" : "", Settings.LoaderIOS);
// Reload to the default loader IOS or the IOS set in meta.xml
// And on failure try cIOS 249, 250, 222, 223, 245, 246, 247 and 248
if(IosLoader::LoadAppCios(Settings.LoaderIOS) < 0)
{
SetTextf("Loading %sIOS %i requested in meta.xml\n", Settings.LoaderIOS >= 200 ? "c" : "", Settings.LoaderIOS);
if(IosLoader::ReloadIosSafe(Settings.LoaderIOS) < 0)
{
SetTextf("Failed to load %sIOS %i requested in meta.xml. Exiting...\n", Settings.LoaderIOS >= 200 ? "c" : "", Settings.LoaderIOS);
SetTextf("Failed to load an IOS. USB Loader GX requires a cIOS or IOS58 with AHB access. Exiting...\n");
sleep(5);
Sys_BackToLoader();
}
}
// This prevents an unnecessary IOS reload
else if(BUILD_IOS != 249 || ret < 0)
{
// Reload to the default IOS (58) or a cIOS if nothing is set in meta.xml
if(IosLoader::LoadAppCios(BUILD_IOS) < 0)
{
SetTextf("Failed to load a cIOS or IOS58 with AHB access. Exiting...\n");
sleep(5);
Sys_BackToLoader();
}
}
if(!AHBPROT_DISABLED && IOS_GetVersion() < 200)
{
SetTextf("Failed loading IOS %i. USB Loader GX requires a cIOS or IOS58 with AHB access. Exiting...\n", IOS_GetVersion());
SetTextf("Failed to load into IOS %i. USB Loader GX requires a cIOS or IOS58 with AHB access. Exiting...\n", IOS_GetVersion());
sleep(5);
Sys_BackToLoader();
}
}
SetupPads();
gprintf("Current IOS: %i - have AHB access: %s\n", IOS_GetVersion(), AHBPROT_DISABLED ? "yes" : "no");
SetTextf("Initializing sd card\n");
DeviceHandler::Instance()->MountSD();
@ -302,13 +294,14 @@ int StartUpProcess::Execute()
// Shutdown pads
Wpad_Disconnect();
// Loading now the cIOS setup in the settings
// Now load the cIOS that was set in the settings menu
if(IosLoader::LoadAppCios(Settings.LoaderIOS) > -1)
{
SetTextf("Reloaded into cIOS %i R%i\n", IOS_GetVersion(), IOS_GetRevision());
// Re-Mount devices
SetTextf("Reinitializing devices\n");
}
gprintf("Current IOS: %i - have AHB access: %s\n", IOS_GetVersion(), AHBPROT_DISABLED ? "yes" : "no");
DeviceHandler::Instance()->MountSD();
if(Settings.USBAutoMount == ON)
{
@ -352,6 +345,8 @@ int StartUpProcess::Execute()
NandTitles.Get(); // get NAND channel's titles
}
gprintf("Current IOS: %i - have AHB access: %s\n", IOS_GetVersion(), AHBPROT_DISABLED ? "yes" : "no");
// We only initialize once for the whole session
ISFS_Initialize();

32
source/system/IosLoader.cpp
View File

@ -16,7 +16,6 @@
#include "mload/modules/ehcmodule_5.h"
#include "mload/modules/dip_plugin_249.h"
#include "mload/modules/odip_frag.h"
#include "libs/libruntimeiospatch/runtimeiospatch.h"
#include "utils/tools.h"
#include "gecko.h"
@ -108,7 +107,6 @@ s32 IosLoader::LoadAppCios(u8 ios)
return ret;
}
/*
* Loads a CIOS before a game start.
* @return 0 if a cios has been successfully loaded. Else a value below 0 is returned.
@ -178,7 +176,35 @@ s32 IosLoader::ReloadIosSafe(s32 ios)
*/
s32 IosLoader::ReloadIosKeepingRights(s32 ios)
{
IosPatch_AHBPROT(false);
if (CheckAHBPROT())
{
static const u16 ticket_check[] = {
0x685B, // ldr r3, [r3, #4] ; Get TMD pointer
0x22EC, 0x0052, // movs r2, 0x1D8 ; Set offset of access rights field in TMD
0x189B, // adds r3, r3, r2 ; Add offset to TMD pointer
0x681B, // ldr r3, [r3] ; Load access rights. We'll hack it with full access rights!!!
0x4698, // mov r8, r3 ; Store it for the DVD video bitcheck later
0x07DB // lsls r3, r3, 0x1F ; check AHBPROT bit
};
/* Disable MEM 2 protection */
write16(MEM2_PROT, 2);
for (u16 *patchme = ES_MODULE_START; patchme < ES_MODULE_END; patchme++)
{
if (!memcmp(patchme, ticket_check, sizeof(ticket_check)))
{
gprintf("ReloadIos: Found TMD access rights check at %p\n", patchme);
/* Apply patch */
patchme[ES_HACK_OFFSET] = 0x23FF; // li r3, 0xFF ; Set full access rights
/* Flush cache */
DCFlushRange(patchme+ES_HACK_OFFSET, 2);
break;
}
}
}
// Reload IOS. MEM2 protection is implicitly re-enabled
return IOS_ReloadIOS(ios);
}

2
source/system/IosLoader.h
View File

@ -4,6 +4,8 @@
#include <gccore.h>
#include <ogc/machine/processor.h>
#define CheckAHBPROT() (read32(0x0D800064) == 0xFFFFFFFF)
enum MiosInfo
{
DEFAULT_MIOS,

4
source/usbloader/GameBooter.cpp
View File

@ -810,7 +810,7 @@ int GameBooter::BootDevolution(struct discHdr *gameHdr)
return -1;
}
if(!AHBPROT_DISABLED)
if(!CheckAHBPROT())
{
WindowPrompt(tr("Error:"), fmt(tr("%s requires AHB access! Please launch USBLoaderGX from HBC or from an updated channel or forwarder."),LoaderName), tr("OK"));
return -1;
@ -1053,7 +1053,7 @@ int GameBooter::BootNintendont(struct discHdr *gameHdr)
const char *ninLoaderPath = game_cfg->NINLoaderPath.size() == 0 ? Settings.NINLoaderPath : game_cfg->NINLoaderPath.c_str();
if(!AHBPROT_DISABLED)
if(!CheckAHBPROT())
{
WindowPrompt(tr("Error:"), fmt(tr("%s requires AHB access! Please launch USBLoaderGX from HBC or from an updated channel or forwarder."),LoaderName), tr("OK"));
return -1;