Major libk restructuring, also rewrote drivers/serial.h

boot/stage3.c

@@ -3,11 +3,12 @@
 #include <memory/addresses.h>
 #include <screen/gfxmode.h>
 #include <screen/text.h>
-#include <error/bigerr.h>
-#include <disk/disk.h>
-#include <fs/impl.h>
+#include <drivers/disk.h>
+#include <fs/kernfs.h>
 #include <fs/fs.h>
 
+void bigError(uint32_t err);
+
 __attribute__ ((section("entry")))
 void main() {
     // Physical memory manager setup
@@ -80,3 +81,58 @@ void main() {
     bigError(0xffffffff);
 }
 
+void rect(uint32_t c, uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
+    uint8_t* vidmem = (uint8_t*)gfxMode->physicalBasePtr;
+    uint8_t bytesPerPx = gfxMode->bpp / 8;
+    uint32_t convColor = convertColor(c);
+
+    for (uint32_t dx = 0; dx < w; dx++) {
+        for (uint32_t dy = 0; dy < h; dy++) {
+            uint32_t offset = (((y + dy) * gfxMode->xRes) + (x + dx)) * bytesPerPx;
+
+            for (uint8_t i = 0; i < gfxMode->bpp; i++) {
+                vidmem[offset + i] = (uint8_t)(convColor >> (i*8));
+            }
+        }
+    }
+}
+
+void bigError(uint32_t err) {
+    // Red BG
+    rect(0x00ff0000, 0, 0, gfxMode->xRes, gfxMode->yRes);
+    // E
+    rect(0x00ffffff, 20, 10, 10, 50);
+    rect(0x00ffffff, 30, 10, 30, 10);
+    rect(0x00ffffff, 30, 30, 30, 10);
+    rect(0x00ffffff, 30, 50, 30, 10);
+    // R
+    rect(0x00ffffff, 70, 10, 10, 50);
+    rect(0x00ffffff, 70, 10, 30, 10);
+    rect(0x00ffffff, 70, 30, 30, 10);
+    rect(0x00ffffff, 90, 10, 10, 30);
+    rect(0x00ffffff, 80, 40, 10, 10);
+    rect(0x00ffffff, 90, 50, 10, 10);
+    // R
+    rect(0x00ffffff, 110, 10, 10, 50);
+    rect(0x00ffffff, 110, 10, 30, 10);
+    rect(0x00ffffff, 110, 30, 30, 10);
+    rect(0x00ffffff, 130, 10, 10, 30);
+    rect(0x00ffffff, 120, 40, 10, 10);
+    rect(0x00ffffff, 130, 50, 10, 10);
+    // O
+    rect(0x00ffffff, 150, 10, 10, 50);
+    rect(0x00ffffff, 170, 10, 10, 50);
+    rect(0x00ffffff, 150, 10, 30, 10);
+    rect(0x00ffffff, 150, 50, 30, 10);
+    // R
+    rect(0x00ffffff, 190, 10, 10, 50);
+    rect(0x00ffffff, 190, 10, 30, 10);
+    rect(0x00ffffff, 190, 30, 30, 10);
+    rect(0x00ffffff, 210, 10, 10, 30);
+    rect(0x00ffffff, 200, 40, 10, 10);
+    rect(0x00ffffff, 210, 50, 10, 10);
+
+    __asm__ volatile ("cli; hlt" :: "a"(err));
+}
+
+