start of 0.0.9 branch, using multiboot this time

1 files changed, 16 insertions, 3 deletions

diff --git a/src/kernel/mem.h b/src/kernel/mem.h
index 2bfb3bf..1eb27bd 100644
--- a/src/kernel/mem.h
+++ b/src/kernel/mem.h
@@ -22,8 +22,21 @@ OF THIS SOFTWARE.
 #ifndef MEM_H
 #define MEM_H
 
-#define MMAP ((uint16_t *)0x00002000)
-void *allocate_pages(uint16_t n_pages, uint16_t proc_n);
-void deallocate_pages(void *from, uint16_t n_pages);
+enum special_mmap_codes {
+  FREE     = 0,
+  HARDWARE = 1,
+  KERNEL   = 2
+};
+
+struct mmap_entry {
+  uint64_t base;
+  uint64_t length;
+  uint32_t whose;
+  struct mmap_entry *next;
+} __attribute__ ((__packed__));
+
+struct mmap_entry *mmap_start;
+void *allocate_block(uint32_t size, uint16_t proc_n);
+void deallocate_block(void *start);
 
 #endif
\ No newline at end of file