1 files changed, 0 insertions, 45 deletions
diff --git a/src/mmap.c b/src/mmap.c
deleted file mode 100644
index 3fe35b5..0000000
--- a/src/mmap.c
+++ /dev/null
@@ -1,45 +0,0 @@
-#include "mmap.h"
-#ifdef DEBUG
-#include <stdio.h>
-#endif
-
-__attribute__((section(".multiboot.text"))) unsigned
-multiboot2_mmap(const struct multiboot_mmap_entry entries[], unsigned entry_count, unsigned bitmap[1024 * 32])
-{
-  // clear out the bitmap
-  for (unsigned i = 0; i < 1024 * 32; ++i) bitmap[i] = 0;
-  unsigned avail_frames = 0;
-
-  // loop through all the mmap_entry structures where type is MULTIBOOT_MEMORY_AVAILABLE
-  for (unsigned i = 0; i < entry_count; ++i) {
-    if (entries[i].type != MULTIBOOT_MEMORY_AVAILABLE) continue;
-
-    // number of frames in this entry
-    unsigned n_frames = entries[i].len / 4096;
-    avail_frames += n_frames;
-
-#ifdef DEBUG
-    printf("mmap_entry: 0x%16llx\tlen=%12llu\t%d frames (%d blocks + %d)\n", entries[i].addr, entries[i].len, n_frames,
-           n_frames / 32, n_frames % 32);
-#endif
-
-    // the bitmap is an array of blocks, each holding 32 (2^5) values
-    unsigned table_idx = (entries[i].addr >> 17); // get the upper 15 bits
-
-    while (n_frames != 0) {
-      if (n_frames >= 32) {
-        bitmap[table_idx] = 0xffffffff;
-        table_idx++;
-        n_frames -= 32;
-      }
-      else {
-        unsigned block = bitmap[table_idx];
-        for (unsigned l = 0; l < n_frames; ++l) block |= (1 << l);
-        bitmap[table_idx] = block;
-        n_frames = 0;
-      }
-    }
-  }
-
-  return avail_frames;
-}