mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-24 04:09:15 +01:00
153 lines
3.5 KiB
C++
153 lines
3.5 KiB
C++
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#include <ogc/machine/processor.h>
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#include "alt_ios.h"
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#include "cios.h"
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#include "disc.h"
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#include "nk.h"
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#include "sys.h"
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#include "wbfs.h"
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#include "wdvd.h"
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#include "devicemounter/DeviceHandler.hpp"
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#include "devicemounter/usbstorage.h"
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#include "gecko/gecko.h"
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#include "memory/mem2.hpp"
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#include "types.h"
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// mload from uloader by Hermes
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#include "mload.h"
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#include "ehcmodule_5.h"
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#include "dip_plugin_249.h"
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#include "odip_frag.h"
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#include "mload_modules.h"
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extern "C" {extern u8 currentPartition;}
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extern int __Arena2Lo;
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u8 use_port1 = 0;
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#define HAVE_AHBPROT ((*(vu32*)0xcd800064 == 0xFFFFFFFF) ? 1 : 0)
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static int load_ehc_module_ex(void)
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{
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ehcmodule = ehcmodule_5;
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size_ehcmodule = size_ehcmodule_5;
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dip_plugin = odip_frag;
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size_dip_plugin = size_odip_frag;
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u8 *ehc_cfg = search_for_ehcmodule_cfg((u8 *)ehcmodule, size_ehcmodule);
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if (ehc_cfg)
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{
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ehc_cfg += 12;
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ehc_cfg[0] = use_port1;
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gprintf("EHC Port info = %i\n", ehc_cfg[0]);
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DCFlushRange((void *) (((u32)ehc_cfg[0]) & ~31), 32);
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}
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if(use_port1) // release port 0 and use port 1
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{
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u32 dat=0;
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u32 addr;
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// get EHCI base registers
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mload_getw((void *) 0x0D040000, &addr);
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addr&=0xff;
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addr+=0x0D040000;
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mload_getw((void *) (addr+0x44), &dat);
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if((dat & 0x2001)==1)
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mload_setw((void *) (addr+0x44), 0x2000);
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mload_getw((void *) (addr+0x48), &dat);
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if((dat & 0x2000)==0x2000)
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mload_setw((void *) (addr+0x48), 0x1001);
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}
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load_ehc_module();
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return 0;
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}
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void load_dip_249()
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{
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gprintf("Starting mload\n");
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if(mload_init() < 0)
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return;
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gprintf("Loading 249 dip...");
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int ret = mload_module((void *) dip_plugin_249, size_dip_plugin_249);
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gprintf("%d\n", ret);
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mload_close();
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}
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/* Thanks to postloader for that patch */
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#define MEM2_PROT 0x0D8B420A
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#define ES_MODULE_START (u16*)0x939F0000
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static const u16 ticket_check[] = {
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0x685B, // ldr r3,[r3,#4] ; get TMD pointer
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0x22EC, 0x0052, // movls r2, 0x1D8
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0x189B, // adds r3, r3, r2; add offset of access rights field in TMD
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0x681B, // ldr r3, [r3] ; load access rights (haxxme!)
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0x4698, // mov r8, r3 ; store it for the DVD video bitcheck later
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0x07DB // lsls r3, r3, #31; check AHBPROT bit
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};
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static void PatchAHB()
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{
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// Disable memory protection
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write16(MEM2_PROT, 2);
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for(u16 *patchme = ES_MODULE_START; patchme < ES_MODULE_START + 0x4000; patchme++)
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{
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if(!memcmp(patchme, ticket_check, sizeof(ticket_check)))
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{
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// write16/uncached poke doesn't work for this. Go figure.
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patchme[4] = 0x23FF; // li r3, 0xFF
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DCFlushRange(patchme + 4, 2);
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break;
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}
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}
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}
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bool loadIOS(int ios, bool launch_game, bool emu_channel)
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{
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#ifndef DOLPHIN
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Close_Inputs();
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DeviceHandler::Instance()->UnMountAll();
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WDVD_Close();
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USBStorage2_Deinit();
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mload_close();
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gprintf("Reloading into IOS %i from %i...\n", ios, IOS_GetVersion());
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if(HAVE_AHBPROT && ios == 58) //IOS58 with AHBPROT patched out for Homebrew
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PatchAHB();
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ISFS_Deinitialize();
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bool iosOK = IOS_ReloadIOS(ios) == 0;
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ISFS_Initialize();
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IOS_GetCurrentIOSInfo();
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if(CurrentIOS.Type == IOS_TYPE_HERMES)
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load_ehc_module_ex();
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else if(CurrentIOS.Type == IOS_TYPE_WANIN && CurrentIOS.Revision >= 18)
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load_dip_249();
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gprintf("AHBPROT after IOS Reload: %u\n", HAVE_AHBPROT);
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if(!emu_channel)
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{
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if(launch_game)
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{
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DeviceHandler::Instance()->Mount(currentPartition);
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DeviceHandler::Instance()->Open_WBFS(currentPartition);
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Disc_Init();
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}
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else
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Open_Inputs();
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}
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return iosOK;
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#else
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return true;
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#endif
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}
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