setos

commit a62a7e75e11e9f03227ad7a5c1a602eb63234870
parent 47d71278f948085b401f52654d207b949d48c0a8
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Mon,  1 Apr 2024 17:24:07 +0900

try to implement malloc

Diffstat:
A
sys/src/kernel/alloc.c
 | 
17
+++++++++++++++++

1 file changed, 17 insertions(+), 0 deletions(-)
diff --git a/sys/src/kernel/alloc.c b/sys/src/kernel/alloc.c
@@ -0,0 +1,16 @@
+#include <libc.h>
+
+Memmap memmap;
+
+void *
+malloc(uintptr size)
+{
+	void *ptr = NULL;
+	for (int i = 0; i < memmap.nfreespace; i++) {
+		if (memmap.freespace[i].end - memmap.freespace[i].start >= size) {
+			ptr = memmap.freespace[i].start;
+			break;
+		}
+	}
+	return ptr;
+}
+\ No newline at end of file