mirror of
https://github.com/d0k3/GodMode9.git
synced 2025-06-26 05:32:47 +00:00
128 lines
4.2 KiB
C
128 lines
4.2 KiB
C
// screeninit source taken over from https://github.com/AuroraWright/arm9loaderhax/tree/master/payload_stage2/arm11
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// check there for license info
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// thanks go to AuroraWright
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#include "types.h"
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// see: https://github.com/AuroraWright/Luma3DS/blob/53209b9be0c264af00fb81b32146d27f0d9498ac/source/screen.h#L32-L34
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#define PDN_GPU_CNT (*(vu8 *)0x10141200)
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#define ARESCREENSINITIALIZED (PDN_GPU_CNT != 1)
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#define BRIGHTNESS (0xBF)
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void main(void)
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{
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char do_disco = !ARESCREENSINITIALIZED;
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vu32 *arm11Entry = (vu32 *)0x1FFFFFFC;
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u32 entry;
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*(vu32 *)0x10141200 = 0x1007F;
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*(vu32 *)0x10202014 = 0x00000001;
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*(vu32 *)0x1020200C &= 0xFFFEFFFE;
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*(vu32 *)0x10202240 = BRIGHTNESS;
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*(vu32 *)0x10202A40 = BRIGHTNESS;
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*(vu32 *)0x10202244 = 0x1023E;
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*(vu32 *)0x10202A44 = 0x1023E;
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//Top screen
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*(vu32 *)0x10400400 = 0x000001c2;
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*(vu32 *)0x10400404 = 0x000000d1;
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*(vu32 *)0x10400408 = 0x000001c1;
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*(vu32 *)0x1040040c = 0x000001c1;
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*(vu32 *)0x10400410 = 0x00000000;
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*(vu32 *)0x10400414 = 0x000000cf;
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*(vu32 *)0x10400418 = 0x000000d1;
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*(vu32 *)0x1040041c = 0x01c501c1;
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*(vu32 *)0x10400420 = 0x00010000;
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*(vu32 *)0x10400424 = 0x0000019d;
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*(vu32 *)0x10400428 = 0x00000002;
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*(vu32 *)0x1040042c = 0x00000192;
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*(vu32 *)0x10400430 = 0x00000192;
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*(vu32 *)0x10400434 = 0x00000192;
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*(vu32 *)0x10400438 = 0x00000001;
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*(vu32 *)0x1040043c = 0x00000002;
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*(vu32 *)0x10400440 = 0x01960192;
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*(vu32 *)0x10400444 = 0x00000000;
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*(vu32 *)0x10400448 = 0x00000000;
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*(vu32 *)0x1040045C = 0x00f00190;
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*(vu32 *)0x10400460 = 0x01c100d1;
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*(vu32 *)0x10400464 = 0x01920002;
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*(vu32 *)0x10400468 = 0x18300000;
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*(vu32 *)0x10400470 = 0x80341;
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*(vu32 *)0x10400474 = 0x00010501;
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*(vu32 *)0x10400478 = 0;
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*(vu32 *)0x10400490 = 0x000002D0;
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*(vu32 *)0x1040049C = 0x00000000;
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//Bottom screen
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*(vu32 *)0x10400500 = 0x000001c2;
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*(vu32 *)0x10400504 = 0x000000d1;
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*(vu32 *)0x10400508 = 0x000001c1;
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*(vu32 *)0x1040050c = 0x000001c1;
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*(vu32 *)0x10400510 = 0x000000cd;
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*(vu32 *)0x10400514 = 0x000000cf;
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*(vu32 *)0x10400518 = 0x000000d1;
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*(vu32 *)0x1040051c = 0x01c501c1;
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*(vu32 *)0x10400520 = 0x00010000;
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*(vu32 *)0x10400524 = 0x0000019d;
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*(vu32 *)0x10400528 = 0x00000052;
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*(vu32 *)0x1040052c = 0x00000192;
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*(vu32 *)0x10400530 = 0x00000192;
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*(vu32 *)0x10400534 = 0x0000004f;
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*(vu32 *)0x10400538 = 0x00000050;
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*(vu32 *)0x1040053c = 0x00000052;
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*(vu32 *)0x10400540 = 0x01980194;
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*(vu32 *)0x10400544 = 0x00000000;
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*(vu32 *)0x10400548 = 0x00000011;
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*(vu32 *)0x1040055C = 0x00f00140;
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*(vu32 *)0x10400560 = 0x01c100d1;
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*(vu32 *)0x10400564 = 0x01920052;
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*(vu32 *)0x10400568 = 0x18346500;
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*(vu32 *)0x10400570 = 0x80301;
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*(vu32 *)0x10400574 = 0x00010501;
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*(vu32 *)0x10400578 = 0;
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*(vu32 *)0x10400590 = 0x000002D0;
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*(vu32 *)0x1040059C = 0x00000000;
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if (do_disco) {
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for(u32 i = 0; i < 256; i++) {
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*(vu32 *)0x10400484 = 0x10101 * i;
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*(vu32 *)0x10400584 = 0x10101 * i;
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}
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}
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//Set CakeBrah framebuffers
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fb->top_left = (u8 *)0x18300000;
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fb->top_right = (u8 *)0x18300000;
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fb->bottom = (u8 *)0x18346500;
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*(vu32 *)0x10400468 = (u32)fb->top_left;
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*(vu32 *)0x1040046c = (u32)fb->top_left;
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*(vu32 *)0x10400494 = (u32)fb->top_right;
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*(vu32 *)0x10400498 = (u32)fb->top_right;
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*(vu32 *)0x10400568 = (u32)fb->bottom;
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*(vu32 *)0x1040056c = (u32)fb->bottom;
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vu32 *REGs_PSC0 = (vu32 *)0x10400010,
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*REGs_PSC1 = (vu32 *)0x10400020;
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REGs_PSC0[0] = (u32)fb->top_left >> 3; //Start address
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REGs_PSC0[1] = (u32)(fb->top_left + SCREEN_TOP_FBSIZE) >> 3; //End address
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REGs_PSC0[2] = 0; //Fill value
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REGs_PSC0[3] = (2 << 8) | 1; //32-bit pattern; start
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REGs_PSC1[0] = (u32)fb->bottom >> 3; //Start address
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REGs_PSC1[1] = (u32)(fb->bottom + SCREEN_BOTTOM_FBSIZE) >> 3; //End address
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REGs_PSC1[2] = 0; //Fill value
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REGs_PSC1[3] = (2 << 8) | 1; //32-bit pattern; start
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while(!((REGs_PSC0[3] & 2) && (REGs_PSC1[3] & 2)));
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// Clear ARM11 entrypoint
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*arm11Entry = 0;
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//Wait for the entrypoint to be set, then branch to it
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while((entry=*arm11Entry) == 0);
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((void (*)())(entry))();
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}
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