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authorXander <xander@biltopia.org>2023-07-15 18:04:00 +0200
committerXander <xander@biltopia.org>2023-07-15 18:04:00 +0200
commite2f3bfc0973c151951531b1715c53d14e8656d92 (patch)
tree68700f0e65a29285a41435eedb7ff41ec686e68a /kernel/multiboot.dats
parentab383485291164f7bc78b88787271dd1b85c0d73 (diff)
downloadats-os-e2f3bfc0973c151951531b1715c53d14e8656d92.tar.xz
ats-os-e2f3bfc0973c151951531b1715c53d14e8656d92.zip
Print memory mappings
Diffstat (limited to 'kernel/multiboot.dats')
-rw-r--r--kernel/multiboot.dats62
1 files changed, 0 insertions, 62 deletions
diff --git a/kernel/multiboot.dats b/kernel/multiboot.dats
deleted file mode 100644
index bc3b552..0000000
--- a/kernel/multiboot.dats
+++ /dev/null
@@ -1,62 +0,0 @@
-#include "./prelude/kernel_prelude.hats"
-
-#define ATS_DYNLOADFLAG 0
-
-staload "./multiboot.sats"
-staload UN = "prelude/SATS/unsafe.sats"
-
-local
-
-var boot_info : boot_info_t
-
-in
-
-implement boot_info_init (p : Ptr1) = let
- extern praxi __assert{l:addr} (ptr: ptr (l)): vtakeout0 (boot_info_t@l) // takeout proof UNSAFE:
- prval (pf, fpf) = __assert (addr@boot_info)
- val total_size = $UN.ptr0_get<uint>(p)
-
- fun loop {l : agz} (pf : !boot_info_t@l | boot_p : ptr l , p : ptr): void = let
- val type = $UN.ptr0_get<uint>(p)
- val size = $UN.ptr0_get<uint>(ptr_succ<uint>(p))
- val next = (if (size % 8u != 0) then size + 8u - (size % 8u) else size) : uint
- in
- case+ type of
- | 6u => (
- boot_p->memory_map := $UN.ptr0_get<memory_map_t>(p);
- boot_p->memory_map.entries := ptr_add<uint>(p,4)
- )
- | _ => ();
-
- if (type != 0u) then
- loop(pf | boot_p, ptr_add<uint8>(p, next))
- end
-
-in
- boot_info.total_size := total_size;
- loop(pf | addr@boot_info, ptr_add<uint32>(p,2));
-
- (pf , fpf | addr@boot_info)
-end
-
-end
-
-extern castfn ui2sz (n : uint) : size_t
-
-implement get_memory_mappings_n(p) = let
- val size = p.2->memory_map.tag.size
- val n_entries = (if(size >= 16u) then (size - 16u) / p.2->memory_map.entry_size else 0u) : uint
-in
- ui2sz n_entries
-end
-
-// TODO: here use optional datatype (fix runtime )
-
-implement get_memory_mapping(p,n) = let
- val size = p.2->memory_map.tag.size
- val n_entries = ui2sz (if(size >= 16u) then (size - 16u) / p.2->memory_map.entry_size else 0u)
-in
- assertloc(n < n_entries);
- $UN.ptr0_get<memory_entry_t>(ptr_add<memory_map_t>(p.2->memory_map.entries,n))
-end
-