start at support for multiple CPUs

1 files changed, 0 insertions, 50 deletions

diff --git a/kbd.c b/kbd.c
deleted file mode 100644
index 32c1463..0000000
--- a/kbd.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#include "types.h"
-#include "x86.h"
-#include "defs.h"
-#include "kbd.h"
-
-int
-kbdgetc(void)
-{
-  static uint shift;
-  static uchar *charcode[4] = {
-    normalmap, shiftmap, ctlmap, ctlmap
-  };
-  uint st, data, c;
-
-  st = inb(KBSTATP);
-  if((st & KBS_DIB) == 0)
-    return -1;
-  data = inb(KBDATAP);
-
-  if(data == 0xE0){
-    shift |= E0ESC;
-    return 0;
-  } else if(data & 0x80){
-    // Key released
-    data = (shift & E0ESC ? data : data & 0x7F);
-    shift &= ~(shiftcode[data] | E0ESC);
-    return 0;
-  } else if(shift & E0ESC){
-    // Last character was an E0 escape; or with 0x80
-    data |= 0x80;
-    shift &= ~E0ESC;
-  }
-
-  shift |= shiftcode[data];
-  shift ^= togglecode[data];
-  c = charcode[shift & (CTL | SHIFT)][data];
-  if(shift & CAPSLOCK){
-    if('a' <= c && c <= 'z')
-      c += 'A' - 'a';
-    else if('A' <= c && c <= 'Z')
-      c += 'a' - 'A';
-  }
-  return c;
-}
-
-void
-kbdintr(void)
-{
-  consoleintr(kbdgetc);
-}