48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* draw.c
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* by Reisyukaku
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* Copyright (c) 2015 All Rights Reserved
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*/
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#include "draw.h"
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#include "fs.h"
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#include "memory.h"
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static const struct fb {
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u8 *top_left;
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u8 *top_right;
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u8 *bottom;
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} *const fb = (struct fb *)0x23FFFE00;
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void __attribute__((naked)) shutdownLCD(void){
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vu32 *const arm11 = (u32 *)0x1FFFFFF8;
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//Clear ARM11 entry offset
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*arm11 = 0;
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//Shutdown LCDs
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*(vu32 *)0x10202A44 = 0;
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*(vu32 *)0x10202244 = 0;
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*(vu32 *)0x10202014 = 0;
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//Wait for the entry to be set
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while(!*arm11);
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//Jump to it
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((void (*)())*arm11)();
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}
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static void clearScreens(void){
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memset32(fb->top_left, 0, 0x46500);
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memset32(fb->top_right, 0, 0x46500);
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memset32(fb->bottom, 0, 0x38400);
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}
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void loadSplash(void){
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clearScreens();
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//Don't delay boot if no splash image is on the SD
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if(fileRead(fb->top_left, "/aurei/splash.bin", 0x46500) +
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fileRead(fb->bottom, "/aurei/splashbottom.bin", 0x38400)){
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u64 i = 0x1300000; while(--i) __asm("mov r0, r0"); //Less Ghetto sleep func
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}
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} |