kalloc and kfree interface and abstraction

[cortex-from-scratch] / heap.c

diff --git a/heap.c b/heap.c
new file mode 100644 (file)
index 0000000..ff9d348
--- /dev/null
+++ b/heap.c
@@ -0,0 +1,54 @@
+/* (CC-BY-NC-SA) ROBIN KRENS - ROBIN @ ROBINKRENS.NL
+ * 
+ * $LOG$
+ * 2019/10/20 - ROBIN KRENS    
+ * Initial version 
+ * 
+ * $DESCRIPTION$
+ *     
+ * kalloc();
+ * kfree(); 
+ *
+ */
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <lib/pool.h>
+
+#define BLOCKSIZE      0x10
+#define BLOCKS         10
+/* #define KHEAP_SIZE  0x100 SEE LINK.LD */
+
+static mem_pool_t kheap_pool;
+
+void kheap_init() {
+       
+       extern unsigned char * _beginofheap;
+       pool_init(&kheap_pool, BLOCKSIZE, BLOCKS, (unsigned char *) &_beginofheap);
+       //kalloc = &alloc;
+}
+
+void * kalloc(void * s) {
+
+       return alloc(s);
+}
+
+void kfree(void * s, void * p) {
+
+       free(s, p);
+}
+
+void kheap_info(void *s) {
+
+       heap_info(s);
+}
+
+void * get_kheap() {
+
+       return (void *) &kheap_pool;
+}
+
+
+