misc: C++->CHEADmain

I know; it's POINTLESS! However, I do enjoy programming in C more than
C++ so I ended up spending the hour it takes converting this project
from C++ to C.

1 files changed, 48 insertions, 0 deletions

diff --git a/kernel/mm/virtual_mm/pages.c b/kernel/mm/virtual_mm/pages.c
new file mode 100644
index 0000000..fb90f98
--- /dev/null
+++ b/kernel/mm/virtual_mm/pages.c
@@ -0,0 +1,48 @@
+/*
+ * bubbl
+ * Copyright (C) 2025  Raghuram Subramani <raghus2247@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <kernel/halt.h>
+#include <libk/stdio.h>
+#include <mm/page_table_allocator.h>
+#include <mm/physical_mm.h>
+#include <mm/virtual_mm.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+void *
+vmm_alloc_pages(uint32_t n_pages)
+{
+  uint32_t starting_address = (uint32_t) vmm_find_free_pages(n_pages);
+  if (!starting_address)
+    return NULL;
+
+  for (uint32_t i = 0; i < n_pages; i++) {
+    void *physical_address = pmm_allocate_block();
+    void *virtual_address = (void *) (starting_address + (i * PAGE_SIZE));
+    vmm_map_page(physical_address, virtual_address);
+  }
+
+  return (void *) starting_address;
+}
+
+void
+vmm_free_pages(void *starting_address, uint32_t n_pages)
+{
+  for (uint32_t i = 0; i < n_pages; i++)
+    vmm_unmap_page((void *) (((uint32_t) starting_address) + (i * 4096)));
+}