From 9226c8bb581c363a552998663704c483f35f6aae Mon Sep 17 00:00:00 2001
From: Xander <xander@biltopia.org>
Date: Fri, 21 Jul 2023 18:02:54 +0200
Subject: Working on frame allocation

---
 kernel/memory/frame.sats | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 kernel/memory/frame.sats

(limited to 'kernel/memory/frame.sats')

diff --git a/kernel/memory/frame.sats b/kernel/memory/frame.sats
new file mode 100644
index 0000000..441b85a
--- /dev/null
+++ b/kernel/memory/frame.sats
@@ -0,0 +1,25 @@
+#define PAGE_SIZE 4096
+
+staload "kernel/bootinfo/multiboot.sats"
+
+typedef frame_t = @{
+  num = size_t
+}
+
+typedef frame_allocator_t = @{
+  next_free_frame = frame_t,
+  current_area = memory_area_t,
+  num_areas = size_t,
+  kernel_start = frame_t,
+  kernel_end = frame_t,
+  multiboot_start = frame_t,
+  multiboot_end = frame_t
+}
+
+vtypedef allocptr  = [l : agz] (frame_allocator_t@l , frame_allocator_t@l -<lin,prf> void | ptr l)
+
+fn containing_address {l : addr} (address : ptr l) : frame_t
+
+fn allocate_frame {l : agz}{k : agz} (pf : !frame_allocator_t @ l >> frame_allocator_t @ l, bf : !boot_info_t @ k | p : ptr l, b : ptr k) : frame_t
+ 
+fn deallocate_frame (p : !allocptr) : void
-- 
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