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authorDanny Holman <dholman@gymli.org>2023-11-26 18:49:11 -0600
committerDanny Holman <dholman@gymli.org>2023-11-26 18:49:11 -0600
commite301006c1494674d94e1bcedcd3c3a638af7ec00 (patch)
treea103471da838811db0d8e949b6b51b307011f445 /arch/i386/include/kernel
parent40cbd20b997c2cbcacb2095e7487609bca1c0040 (diff)
arch: i386: alloc: add a physical memory manager
Add a simple, bitmap-based physical memory management system. Signed-off-by: Danny Holman <dholman@gymli.org>
Diffstat (limited to 'arch/i386/include/kernel')
-rw-r--r--arch/i386/include/kernel/alloc.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/i386/include/kernel/alloc.h b/arch/i386/include/kernel/alloc.h
new file mode 100644
index 0000000..986bcc5
--- /dev/null
+++ b/arch/i386/include/kernel/alloc.h
@@ -0,0 +1,13 @@
+#ifndef I386_ALLOC_H
+#define I386_ALLOC_H
+
+#include <kernel/multiboot.h>
+#include <stdint.h>
+#include <stddef.h>
+
+int alloc_init(struct mboot_info *info);
+void mark_bitmap(uint32_t paddr, int present);
+uint32_t pfa_alloc_frame(void);
+void pfa_free(uint32_t paddr, int num_frames);
+
+#endif