very basic vga, ata, serial drivers. start of fat and fs drivers

1 files changed, 25 insertions, 3 deletions

diff --git a/src/kernel/main.c b/src/kernel/main.c
index dbeb11b..877a276 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -1,14 +1,36 @@
 #include <stdint.h>
 #include "vga.h"
 #include "fat.h"
+#include "fs.h"
+#include "ata.h"
+#include "panic.h"
+#include "serial.h"
+#include "util.h"
+
+uint8_t nbuf[11];
 
 void main() {
   vga_blank();
-  vga_printsz("In kernel-land\n\nDisk label: ");
+  vga_printsz("Initializing drivers...");
+  sinit();
+  vga_printsz("\n  Serial ready.");
+  load_fat();
+  clear_fs_handles();
+  vga_printsz("\n  File system ready.\n\nDisk label: ");
   vga_printsn(FAT_INFO->label, 11);
   vga_printsz("\nDisk size:  ");
-  vga_printu32((FAT_INFO->sectors * FAT_INFO->bytes_per_sector) >> 10);
-  vga_printsz("k\n\nHalting...");
+  u32_dec(FAT_INFO->sectors >> 1, nbuf);
+  vga_printsz(nbuf);
+  vga_printsz("k\n\nFAT start:\n");
+  nbuf[3] = 0;
+  for (uint8_t r = 0; r < 192; r += 24) {
+    for (uint8_t c = 0; c < 24; ++c) {
+      u8_hex(*(uint8_t *)(FAT + r + c), nbuf);
+      nbuf[2] = ' ';
+      vga_printsz(nbuf);
+    }
+    vga_printch('\n');
+  }
   while (1)
     asm ("hlt");
 }
\ No newline at end of file