]> Chaos Git - corbenik/corbenik.git/commitdiff
Dynamic allocs
authorchaoskagami <chaos.kagami@gmail.com>
Thu, 4 Aug 2016 22:05:26 +0000 (18:05 -0400)
committerchaoskagami <chaos.kagami@gmail.com>
Thu, 4 Aug 2016 22:05:26 +0000 (18:05 -0400)
source/screeninit.c

index 4f8b3a7558cf3148a5bf426753f26a87f3c4c451..4bda6516372e2093d2b5e0b74fd099f48b6cfb79 100644 (file)
@@ -9,15 +9,151 @@ static volatile uint32_t *const a11_entry = (volatile uint32_t *)0x1FFFFFF8;
 
 struct framebuffers* framebuffers = NULL;
 
+#define FB_FMT(col, plx, screen) ((col & 0b111) | ((plx & 1) << 5) | ((screen & 1) << 6) | 0b10000000001100000000)
+
+#define RGBA8        0
+#define BGR8         1
+#define RGB565_OES   2
+#define RGB5_A1_OES  3
+#define RGBA4_OES    4
+
+#define INIT_FULL    0
+#define INIT_PARAMS  1
+#define INIT_DEINIT  2
+
+uint32_t do_init = 0;
+uint32_t brightnessLevel = 0;
+uint32_t init_mode = 0;
+
+void __attribute__((naked)) screen11(void) {
+   // FIXME - We could use some serious macros here...
+
+   uint32_t yaw, init_top, init_bottom;
+   switch(init_mode) {
+       case RGBA8:
+           yaw = 240 * 4;
+           break;
+       case BGR8:
+       case RGB565_OES:
+       case RGB5_A1_OES:
+       case RGBA4_OES:
+           yaw = 240 * 3;
+           break;
+   }
+
+   init_top    = FB_FMT(init_mode, 0, 1);
+   init_bottom = FB_FMT(init_mode, 0, 0);
+
+   volatile uint32_t *const arm11 = (uint32_t *)0x1FFFFFF8;
+
+   if (do_init == INIT_FULL) {
+   *(volatile uint32_t *)0x10141200 = 0x1007F;
+   *(volatile uint32_t *)0x10202014 = 0x00000001;
+   *(volatile uint32_t *)0x1020200C &= 0xFFFEFFFE;
+   }
+
+   *(volatile uint32_t *)0x10202240 = brightnessLevel; // Alteration; directly read brightness.
+   *(volatile uint32_t *)0x10202A40 = brightnessLevel;
+
+   if (do_init == INIT_FULL) {
+   *(volatile uint32_t *)0x10202244 = 0x1023E;
+   *(volatile uint32_t *)0x10202A44 = 0x1023E;
+   }
+
+   // Top screen
+   *(volatile uint32_t *)0x10400400 = 0x000001c2;
+   *(volatile uint32_t *)0x10400404 = 0x000000d1;
+   *(volatile uint32_t *)0x10400408 = 0x000001c1;
+   *(volatile uint32_t *)0x1040040c = 0x000001c1;
+   *(volatile uint32_t *)0x10400410 = 0x00000000;
+   *(volatile uint32_t *)0x10400414 = 0x000000cf;
+   *(volatile uint32_t *)0x10400418 = 0x000000d1;
+   *(volatile uint32_t *)0x1040041c = 0x01c501c1;
+   *(volatile uint32_t *)0x10400420 = 0x00010000;
+   *(volatile uint32_t *)0x10400424 = 0x0000019d;
+   *(volatile uint32_t *)0x10400428 = 0x00000002;
+   *(volatile uint32_t *)0x1040042c = 0x00000192;
+   *(volatile uint32_t *)0x10400430 = 0x00000192;
+   *(volatile uint32_t *)0x10400434 = 0x00000192;
+   *(volatile uint32_t *)0x10400438 = 0x00000001;
+   *(volatile uint32_t *)0x1040043c = 0x00000002;
+   *(volatile uint32_t *)0x10400440 = 0x01960192;
+   *(volatile uint32_t *)0x10400444 = 0x00000000;
+   *(volatile uint32_t *)0x10400448 = 0x00000000;
+
+   *(volatile uint32_t *)0x1040045C = 0x00f00190;
+   *(volatile uint32_t *)0x10400460 = 0x01c100d1;
+   *(volatile uint32_t *)0x10400464 = 0x01920002;
+   *(volatile uint32_t *)0x10400468 = 0x18300000;
+   *(volatile uint32_t *)0x10400470 = init_top; // Format
+   *(volatile uint32_t *)0x10400474 = 0x00010501;
+   *(volatile uint32_t *)0x10400478 = 0;
+   *(volatile uint32_t *)0x10400490 = yaw;
+   *(volatile uint32_t *)0x1040049C = 0x00000000;
+
+   // Disco register
+   for(uint32_t i = 0; i < 256; i++)
+       *(volatile uint32_t *)0x10400484 = 0x10101 * i;
+
+   // Bottom screen
+   *(volatile uint32_t *)0x10400500 = 0x000001c2;
+   *(volatile uint32_t *)0x10400504 = 0x000000d1;
+   *(volatile uint32_t *)0x10400508 = 0x000001c1;
+   *(volatile uint32_t *)0x1040050c = 0x000001c1;
+   *(volatile uint32_t *)0x10400510 = 0x000000cd;
+   *(volatile uint32_t *)0x10400514 = 0x000000cf;
+   *(volatile uint32_t *)0x10400518 = 0x000000d1;
+   *(volatile uint32_t *)0x1040051c = 0x01c501c1;
+   *(volatile uint32_t *)0x10400520 = 0x00010000;
+   *(volatile uint32_t *)0x10400524 = 0x0000019d;
+   *(volatile uint32_t *)0x10400528 = 0x00000052;
+   *(volatile uint32_t *)0x1040052c = 0x00000192;
+   *(volatile uint32_t *)0x10400530 = 0x00000192;
+   *(volatile uint32_t *)0x10400534 = 0x0000004f;
+   *(volatile uint32_t *)0x10400538 = 0x00000050;
+   *(volatile uint32_t *)0x1040053c = 0x00000052;
+   *(volatile uint32_t *)0x10400540 = 0x01980194;
+   *(volatile uint32_t *)0x10400544 = 0x00000000;
+   *(volatile uint32_t *)0x10400548 = 0x00000011;
+   *(volatile uint32_t *)0x1040055C = 0x00f00140;
+   *(volatile uint32_t *)0x10400560 = 0x01c100d1;
+   *(volatile uint32_t *)0x10400564 = 0x01920052;
+   *(volatile uint32_t *)0x10400568 = 0x18300000 + (yaw * 400);
+   *(volatile uint32_t *)0x10400570 = init_bottom; // Format
+   *(volatile uint32_t *)0x10400574 = 0x00010501;
+   *(volatile uint32_t *)0x10400578 = 0;
+   *(volatile uint32_t *)0x10400590 = yaw;
+   *(volatile uint32_t *)0x1040059C = 0x00000000;
+
+   // Disco register
+   for(uint32_t i = 0; i < 256; i++)
+       *(volatile uint32_t *)0x10400584 = 0x10101 * i;
+
+   *(volatile uint32_t *)0x10400468 = 0x18300000;
+   *(volatile uint32_t *)0x1040046c = 0x18300000;
+   *(volatile uint32_t *)0x10400494 = 0x18300000;
+   *(volatile uint32_t *)0x10400498 = 0x18300000;
+   *(volatile uint32_t *)0x10400568 = 0x18300000 + (yaw * 400);
+   *(volatile uint32_t *)0x1040056c = 0x18300000 + (yaw * 400);
+
+   //Set CakeBrah framebuffers
+   *((volatile uint32_t *)0x23FFFE00) = 0x18300000;
+   *((volatile uint32_t *)0x23FFFE04) = 0x18300000;
+   *((volatile uint32_t *)0x23FFFE08) = 0x18300000 + (yaw * 400);
+
+   //Clear ARM11 entry offset
+   *arm11 = 0;
+
+   //Wait for the entry to be set
+   while(!*arm11);
+
+   //Jump to it
+   ((void (*)())*arm11)();
+}
+
 void
 screen_mode(uint32_t mode)
 {
-    uint32_t *screenInitAddress = (uint32_t *)0x24FFFC00;
-
-    FILE *f = fopen(PATH_SCREENINIT_CODE, "r");
-    fread(screenInitAddress, 1, fsize(f), f); // Read in the screeninit payload.
-    fclose(f);
-
     // FIXME - At the moment, this seems mandatory to do full screeninit.
 
     // I get very fucked up results from just changing the framebuffer offsets
@@ -27,17 +163,17 @@ screen_mode(uint32_t mode)
     // And no, 3dbrew didn't help. Partial init seems to be a superset of what
     // I was attempting.
 
-    screenInitAddress[2] = 1; // Do a partial init.
+    do_init = 1; // Do a partial init.
 
     if (PDN_GPU_CNT == 1)
-        screenInitAddress[2] = 0; // Do a full init.
+        do_init = 0; // Do a full init.
 
        // FIXME - God awful syntactical hack.
-    screenInitAddress[3] = ("\x40\x8F\xC0\xFF")[config->options[OPTION_BRIGHTNESS]];
+    brightnessLevel = ("\x40\x8F\xC0\xFF")[config->options[OPTION_BRIGHTNESS]];
 
-    screenInitAddress[4] = mode; // Mode
+    init_mode = mode; // Mode
 
-    *a11_entry = (uint32_t)screenInitAddress;
+    *a11_entry = (uint32_t)screen11;
 
     while (*a11_entry);