mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-18 07:51:53 +01:00
415 lines
7.8 KiB
C
415 lines
7.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ogcsys.h>
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#include <unistd.h>
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#include <ogc/lwp_threads.h>
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#include <ogc/lwp_watchdog.h>
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#include "wiiuse/wpad.h"
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#include <ogc/machine/processor.h>
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#include "apploader.h"
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#include "disc.h"
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#include "wdvd.h"
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#include "sys.h"
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#include "fst.h"
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#include "videopatch.h"
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#include "wbfs.h"
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#include "patchcode.h"
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#include "frag.h"
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#include "usbstorage.h"
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#include "wip.h"
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#include "memory.h"
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#include "gecko.h"
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#include "utils.h"
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/* Constants */
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#define PTABLE_OFFSET 0x40000
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//appentrypoint
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u32 appentrypoint;
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/* Disc pointers */
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static u32 *buffer = (u32 *)0x93000000;
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static u8 *diskid = (u8 *)0x80000000;
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GXRModeObj *vmode = NULL;
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u32 vmode_reg = 0;
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extern void __exception_closeall();
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entry_point p_entry;
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void __Disc_SetLowMem()
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{
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/* Setup low memory */
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*Sys_Magic = 0x0D15EA5E; // Standard Boot Code
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*Sys_Version = 0x00000001; // Version
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*Arena_L = 0x00000000; // Arena Low
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*BI2 = 0x817E5480; // BI2
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*Bus_Speed = 0x0E7BE2C0; // Console Bus Speed
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*CPU_Speed = 0x2B73A840; // Console CPU Speed
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*Assembler = 0x38A00040; // Assembler
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*(vu32*)0x800000E4 = 0x80431A80;
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*Dev_Debugger = 0x81800000; // Dev Debugger Monitor Address
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*Simulated_Mem = 0x01800000; // Simulated Memory Size
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*(vu32*)0xCD00643C = 0x00000000; // 32Mhz on Bus
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/* Fix for Sam & Max (WiiPower) */
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*GameID_Address = 0x80000000;
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/* Copy disc ID */
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memcpy((void *)Online_Check, (void *)Disc_ID, 4);
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}
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GXRModeObj * __Disc_SelectVMode(u8 videoselected, u64 chantitle)
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{
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vmode = VIDEO_GetPreferredMode(0);
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/* Get video mode configuration */
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bool progressive = (CONF_GetProgressiveScan() > 0) && VIDEO_HaveComponentCable();
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/* Select video mode register */
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switch (CONF_GetVideo())
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{
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case CONF_VIDEO_PAL:
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if (CONF_GetEuRGB60() > 0)
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{
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vmode_reg = VI_EURGB60;
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vmode = progressive ? &TVNtsc480Prog : &TVEurgb60Hz480IntDf;
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}
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else
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vmode_reg = VI_PAL;
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break;
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case CONF_VIDEO_MPAL:
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vmode_reg = VI_MPAL;
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break;
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case CONF_VIDEO_NTSC:
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vmode_reg = VI_NTSC;
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break;
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}
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char Region;
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if(chantitle)
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Region = ((u32)(chantitle) & 0xFFFFFFFF) % 256;
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else
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Region = diskid[3];
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switch(videoselected)
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{
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case 0: // DEFAULT (DISC/GAME)
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/* Select video mode */
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switch(Region)
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{
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case 'W':
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break; // Don't overwrite wiiware video modes.
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// PAL
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case 'D':
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case 'F':
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case 'P':
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case 'X':
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case 'Y':
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if(CONF_GetVideo() != CONF_VIDEO_PAL)
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{
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vmode_reg = VI_PAL;
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vmode = progressive ? &TVNtsc480Prog : &TVNtsc480IntDf;
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}
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break;
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// NTSC
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case 'E':
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case 'J':
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default:
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if(CONF_GetVideo() != CONF_VIDEO_NTSC)
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{
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vmode_reg = VI_NTSC;
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vmode = progressive ? &TVNtsc480Prog : &TVEurgb60Hz480IntDf;
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}
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break;
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}
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break;
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case 1: // SYSTEM
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break;
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case 2: // PAL50
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vmode = &TVPal528IntDf;
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vmode_reg = vmode->viTVMode >> 2;
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break;
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case 3: // PAL60
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vmode = progressive ? &TVNtsc480Prog : &TVEurgb60Hz480IntDf;
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vmode_reg = progressive ? TVEurgb60Hz480Prog.viTVMode >> 2 : vmode->viTVMode >> 2;
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break;
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case 4: // NTSC
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vmode = progressive ? &TVNtsc480Prog : &TVNtsc480IntDf;
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vmode_reg = vmode->viTVMode >> 2;
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break;
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case 5: // PROGRESSIVE 480P
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vmode = &TVNtsc480Prog;
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vmode_reg = Region == 'P' ? TVEurgb60Hz480Prog.viTVMode >> 2 : vmode->viTVMode >> 2;
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break;
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default:
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break;
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}
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return vmode;
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}
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void __Disc_SetVMode(void)
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{
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/* Set video mode register */
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*(vu32 *)0x800000CC = vmode_reg;
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DCFlushRange((void *)(0x800000CC), 4);
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/* Set video mode */
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if(vmode != 0)
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VIDEO_Configure(vmode);
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/* Setup video */
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VIDEO_SetBlack(TRUE);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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if(vmode->viTVMode & VI_NON_INTERLACE)
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VIDEO_WaitVSync();
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else while(VIDEO_GetNextField())
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VIDEO_WaitVSync();
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}
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void __Disc_SetTime(void)
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{
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/* Set proper time */
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settime(secs_to_ticks(time(NULL) - 946684800));
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}
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s32 Disc_FindPartition(u64 *outbuf)
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{
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u64 offset = 0;
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u32 cnt;
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u32 *TMP_Buffer = (u32*)MEM2_alloc(0x20);
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if(!TMP_Buffer)
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return -1;
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/* Read partition info */
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s32 ret = WDVD_UnencryptedRead(TMP_Buffer, 0x20, PTABLE_OFFSET);
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if(ret < 0)
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{
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MEM2_free(TMP_Buffer);
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return ret;
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}
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/* Get data */
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u32 nb_partitions = TMP_Buffer[0];
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u64 table_offset = TMP_Buffer[1] << 2;
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if(nb_partitions > 8)
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{
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MEM2_free(TMP_Buffer);
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return -1;
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}
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memset(TMP_Buffer, 0, sizeof(TMP_Buffer));
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/* Read partition table */
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ret = WDVD_UnencryptedRead(TMP_Buffer, 0x20, table_offset);
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if (ret < 0)
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{
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MEM2_free(TMP_Buffer);
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return ret;
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}
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/* Find game partition */
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for(cnt = 0; cnt < nb_partitions; cnt++)
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{
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u32 type = TMP_Buffer[cnt * 2 + 1];
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/* Game partition */
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if(!type)
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offset = TMP_Buffer[cnt * 2] << 2;
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}
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MEM2_free(TMP_Buffer);
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/* No game partition found */
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if (!offset)
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return -1;
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/* Set output buffer */
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*outbuf = offset;
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WDVD_Seek(offset);
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return 0;
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}
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s32 Disc_Init(void)
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{
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/* Init DVD subsystem */
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return WDVD_Init();
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}
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s32 Disc_Open(bool boot_disc)
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{
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/* Reset drive */
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s32 ret = WDVD_Reset();
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if (ret < 0) return ret;
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memset(diskid, 0, 32);
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/* Read disc ID */
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ret = WDVD_ReadDiskId(diskid);
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/* Directly set Audio Streaming for GC*/
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if(boot_disc)
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gprintf("Setting Audio Streaming for GC Games: 0x%08x\n", WDVD_SetStreaming());
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return ret;
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}
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s32 Disc_Wait(void)
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{
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u32 cover = 0;
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int icounter = 0;
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/* Wait for disc */
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while (!(cover & 0x2))
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{
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/* Get cover status */
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s32 ret = WDVD_GetCoverStatus(&cover);
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if (ret < 0) return ret;
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// 10 tries to make sure it doesn<73>t "freeze" in Install dialog
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// if no Game Disc is insert
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icounter++;
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sleep(1);
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if(icounter > 10)
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return -1;
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}
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return 0;
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}
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s32 Disc_SetUSB(const u8 *id)
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{
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if (id) return set_frag_list((u8 *) id);
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return WDVD_SetUSBMode(wbfsDev, (u8 *) id, -1);
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}
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s32 Disc_ReadHeader(void *outbuf)
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{
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/* Read Wii disc header */
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return WDVD_UnencryptedRead(outbuf, sizeof(struct discHdr), 0);
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}
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s32 Disc_ReadGCHeader(void *outbuf)
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{
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/* Read GC disc header */
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return WDVD_UnencryptedRead(outbuf, sizeof(struct gc_discHdr), 0);
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}
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s32 Disc_Type(bool gc)
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{
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s32 ret;
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u32 check;
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u32 magic;
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if (!gc)
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{
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check = WII_MAGIC;
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struct discHdr *header = (struct discHdr *)buffer;
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ret = Disc_ReadHeader(header);
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magic = header->magic;
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}
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else
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{
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check = GC_MAGIC;
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struct gc_discHdr *header = (struct gc_discHdr *)buffer;
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ret = Disc_ReadGCHeader(header);
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if(strcmp((char *)header->id, "GCOPDV") == 0)
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magic = GC_MAGIC;
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else
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magic = header->magic;
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}
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if (ret < 0)
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return ret;
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/* Check magic word */
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if (magic != check) return -1;
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return 0;
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}
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s32 Disc_IsWii(void)
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{
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return Disc_Type(0);
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}
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s32 Disc_IsGC(void)
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{
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return Disc_Type(1);
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}
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s32 Disc_BootPartition()
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{
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/* Set time */
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__Disc_SetTime();
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/* Set an appropriate video mode */
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__Disc_SetVMode();
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/* Shutdown IOS subsystems */
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u32 level = IRQ_Disable();
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__IOS_ShutdownSubsystems();
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__exception_closeall();
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/* Originally from tueidj - taken from NeoGamma (thx) */
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*(vu32*)0xCC003024 = 1;
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if (hooktype != 0)
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{
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asm volatile (
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"lis %r3, appentrypoint@h\n"
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"ori %r3, %r3, appentrypoint@l\n"
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"lwz %r3, 0(%r3)\n"
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"mtlr %r3\n"
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"lis %r3, 0x8000\n"
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"ori %r3, %r3, 0x18A8\n"
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"nop\n"
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"mtctr %r3\n"
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"bctr\n"
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);
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}
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else
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{
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asm volatile (
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"lis %r3, appentrypoint@h\n"
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"ori %r3, %r3, appentrypoint@l\n"
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"lwz %r3, 0(%r3)\n"
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"mtlr %r3\n"
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"blr\n"
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);
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}
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IRQ_Restore(level);
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return 0;
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}
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void RunApploader(u64 offset, u8 vidMode, bool vipatch, bool countryString, u8 patchVidMode, int aspectRatio)
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{
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WDVD_OpenPartition(offset);
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/* Setup low memory */;
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__Disc_SetLowMem();
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/* Select an appropriate video mode */
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__Disc_SelectVMode(vidMode, 0);
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/* Run apploader */
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Apploader_Run(&p_entry, vidMode, vmode, vipatch, countryString, patchVidMode, aspectRatio);
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appentrypoint = (u32)p_entry;
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}
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