sandbox: Add improved RAM simulation
Using mmap to allocate memory from the OS for RAM simulation we can use
u-boot own malloc implementation.
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Matthias Weisser <weisserm@arcor.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index f80faac..b7c3bf5 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -25,6 +25,7 @@
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/mman.h>
#include <os.h>
@@ -87,3 +88,9 @@
atexit(os_fd_restore);
}
+
+void *os_malloc(size_t length)
+{
+ return mmap(NULL, length, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+}