From 434ddcd907832b1febc7d70e4faa52109c7eb3bd Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Wed, 7 Oct 2026 17:37:26 -0400
Subject: add memory region object for better memory managment

---
 arch/x86_64/hal/obj.c    |  2 +-
 arch/x86_64/hal/paging.c |  8 ++++++++
 arch/x86_64/lock.c       | 25 -------------------------
 arch/x86_64/lock.h       | 11 -----------
 arch/x86_64/main.c       |  3 +--
 5 files changed, 10 insertions(+), 39 deletions(-)
 delete mode 100644 arch/x86_64/lock.c
 delete mode 100644 arch/x86_64/lock.h

(limited to 'arch/x86_64')

diff --git a/arch/x86_64/hal/obj.c b/arch/x86_64/hal/obj.c
index 75cb0c0..110351c 100644
--- a/arch/x86_64/hal/obj.c
+++ b/arch/x86_64/hal/obj.c
@@ -1,5 +1,5 @@
 #include "obj.h"
-#include "arch/x86_64/lock.h"
+#include "sys/lock.h"
 #include "lib/printf.h"
 #include "paging.h"
 #include "hal/obj.h"
diff --git a/arch/x86_64/hal/paging.c b/arch/x86_64/hal/paging.c
index a0d6ca9..1587c62 100644
--- a/arch/x86_64/hal/paging.c
+++ b/arch/x86_64/hal/paging.c
@@ -28,6 +28,14 @@ phys_tovirt(uintptr_t phys)
     return (void*)(phys | IDENT_VIRT_BASE);
 }
 
+physaddr_t
+phys_fromvirt(virtaddr_t virt)
+{
+    if(virt < IDENT_VIRT_BASE) return 0;
+    if(virt > KERNEL_VIRT_BASE) return KPTR_TOPHYS(virt);
+    return virt & ~IDENT_VIRT_BASE;
+}
+
 uintptr_t
 paging_get_pml4(void)
 {
diff --git a/arch/x86_64/lock.c b/arch/x86_64/lock.c
deleted file mode 100644
index a34cee6..0000000
--- a/arch/x86_64/lock.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#include "lock.h"
-
-extern int _kernel_panic_unlock;
-
-void
-take_mutex(atomic_flag *lock)
-{
-    if(_kernel_panic_unlock) return;
-    while(atomic_flag_test_and_set(lock)) {
-        __builtin_ia32_pause();
-    }
-}
-
-int
-try_take_mutex(atomic_flag *lock)
-{
-    if(_kernel_panic_unlock) return 1;
-    return atomic_flag_test_and_set(lock);
-}
-
-void
-release_mutex(atomic_flag *lock)
-{
-    atomic_flag_clear(lock);
-}
diff --git a/arch/x86_64/lock.h b/arch/x86_64/lock.h
deleted file mode 100644
index 3592ea1..0000000
--- a/arch/x86_64/lock.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef _JOVE_x86_64_LOCK_H
-#define _JOVE_x86_64_LOCK_H 1
-
-#include <stdatomic.h>
-
-void take_mutex(atomic_flag *lock);
-int try_take_mutex(atomic_flag *lock);
-
-void release_mutex(atomic_flag *lock);
-
-#endif
diff --git a/arch/x86_64/main.c b/arch/x86_64/main.c
index 92f9fe1..6e2fcb8 100644
--- a/arch/x86_64/main.c
+++ b/arch/x86_64/main.c
@@ -38,6 +38,7 @@ kernel_entry(void)
     serial_com_init();
 
     smp_init_bsp();
+    mem_setup_regions();
 
     initrd_setup();
     fb_init();
@@ -45,8 +46,6 @@ kernel_entry(void)
 
     cmdline_print();
 
-    mem_setup_untyped();
-
     extern void processing_setup(void*);
     processing_setup(kernel_process_entry);
     hcf();
-- 
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