1 files changed, 40 insertions, 0 deletions
diff --git a/src/kernel/gpt.c b/src/kernel/gpt.c
new file mode 100644
index 0000000..32185eb
--- /dev/null
+++ b/src/kernel/gpt.c
@@ -0,0 +1,40 @@
+/*
+Copyright 2019 Benji Dial
+
+Permission to use, copy, modify, and/or distribute this
+software for any purpose with or without fee is hereby
+granted, provided that the above copyright notice and this
+permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS
+ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
+EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+OF THIS SOFTWARE.
+*/
+
+#include "gpt.h"
+#include "files.h"
+#include "diskio.h"
+
+bool gpt_parse_pt(uint8_t dn, uint8_t *buffer) {
+  struct gpt_header *head = (struct gpt_header *)&buffer[0x200];
+  struct drive_parts *pi = part_info + dn;
+  pi->format = GPT;
+  pi->n_partitions = (head->n_parts & 0xffffff00 ? 0x000000ff : head->n_parts);
+  uint32_t part_entry_size = head->part_size;
+  struct gpt_entry *as_entries = (struct gpt_entry *)buffer;
+  for (uint8_t i = 0; i < pi->n_partitions; ++i) {
+    if (!(i % 8))
+      read_sectors(dn, 2 + i / 4, 2, buffer);
+    pi->partition_sizes[i] = ((as_entries[i % 8].last_sector + 1) >> 1) - (pi->partition_offsets[i] = ((as_entries[i % 8].sector) >> 1));
+    switch (as_entries[i % 8].id.le) {
+    //TODO
+    }
+  }
+  return true;
+}
+\ No newline at end of file