1 files changed, 38 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/core/mem/init.c b/contrib/syslinux-4.02/core/mem/init.c
new file mode 100644
index 0000000..487bbb3
--- /dev/null
+++ b/contrib/syslinux-4.02/core/mem/init.c
@@ -0,0 +1,38 @@
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include "malloc.h"
+
+struct free_arena_header __malloc_head[NHEAP];
+
+static __hugebss char main_heap[128 << 10];
+extern char __lowmem_heap[];
+
+void mem_init(void)
+{
+    struct free_arena_header *fp;
+    int i;
+    uint16_t *bios_free_mem = (uint16_t *)0x413;
+
+    /* Initialize the head nodes */
+
+    fp = &__malloc_head[0];
+    for (i = 0 ; i < NHEAP ; i++) {
+	fp->a.next = fp->a.prev = fp->next_free = fp->prev_free = fp;
+	fp->a.attrs = ARENA_TYPE_HEAD | (i << ARENA_HEAP_POS);
+	fp->a.tag = MALLOC_HEAD;
+	fp++;
+    }
+
+    /* Initialize the main heap */
+    fp = (struct free_arena_header *)main_heap;
+    fp->a.attrs = ARENA_TYPE_USED | (HEAP_MAIN << ARENA_HEAP_POS);
+    ARENA_SIZE_SET(fp->a.attrs, sizeof main_heap);
+    __inject_free_block(fp);
+
+    /* Initialize the lowmem heap */
+    fp = (struct free_arena_header *)__lowmem_heap;
+    fp->a.attrs = ARENA_TYPE_USED | (HEAP_LOWMEM << ARENA_HEAP_POS);
+    ARENA_SIZE_SET(fp->a.attrs, (*bios_free_mem << 10) - (uintptr_t)fp);
+    __inject_free_block(fp);
+}