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-rw-r--r--src/lib/makefile2
-rw-r--r--src/lib/stdlib.C35
2 files changed, 36 insertions, 1 deletions
diff --git a/src/lib/makefile b/src/lib/makefile
index 105f74a05..b4e27e478 100644
--- a/src/lib/makefile
+++ b/src/lib/makefile
@@ -1,7 +1,7 @@
OBJDIR = ../../obj
include ../../config.mk
-OBJS = string.o
+OBJS = string.o stdlib.o
OBJECTS = $(addprefix ${OBJDIR}/, ${OBJS})
all: ${OBJECTS}
diff --git a/src/lib/stdlib.C b/src/lib/stdlib.C
new file mode 100644
index 000000000..5bf0d87f6
--- /dev/null
+++ b/src/lib/stdlib.C
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <kernel/heapmgr.H>
+#include <kernel/pagemgr.H>
+
+void* malloc(size_t s)
+{
+ if (s > HeapManager::MAX_ALLOC_SIZE)
+ {
+ size_t pages = (s+8) / PageManager::PAGESIZE;
+ void* v = PageManager::allocatePage(pages);
+ size_t* len = (size_t*)v;
+ *len = pages << 8;
+ len++;
+ return len;
+ }
+ else
+ return HeapManager::allocate(s);
+}
+
+void free(void* p)
+{
+ if (NULL == p) return;
+
+ size_t* len = (size_t*)p;
+ len--;
+
+ if ((*len) > 0xff)
+ {
+ PageManager::freePage(len, (*len) >> 8);
+ }
+ else
+ {
+ HeapManager::free(p);
+ }
+}
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