1 files changed, 37 insertions, 0 deletions
diff --git a/util/nvramtool/accessors/cmos-mem.c b/util/nvramtool/accessors/cmos-mem.c
new file mode 100644
index 000000000000..c124cdeee896
--- /dev/null
+++ b/util/nvramtool/accessors/cmos-mem.c
@@ -0,0 +1,37 @@
+#include <assert.h>
+#include "cmos_lowlevel.h"
+
+static void mem_hal_init(void* data);
+static unsigned char mem_hal_read(unsigned addr);
+static void mem_hal_write(unsigned addr, unsigned char value);
+static void mem_set_iopl(int level);
+
+static unsigned char* mem_hal_data = (unsigned char*)-1;
+static void mem_hal_init(void *data)
+{
+	mem_hal_data = data;
+}
+
+static unsigned char mem_hal_read(unsigned index)
+{
+	assert(mem_hal_data != (unsigned char*)-1);
+	return mem_hal_data[index];
+}
+
+static void mem_hal_write(unsigned index, unsigned char value)
+{
+	assert(mem_hal_data != (unsigned char*)-1);
+	mem_hal_data[index] = value;
+}
+
+static void mem_set_iopl(__attribute__ ((unused)) int level)
+{
+}
+
+cmos_access_t memory_hal = {
+	.init = mem_hal_init,
+	.read = mem_hal_read,
+	.write = mem_hal_write,
+	.set_iopl = mem_set_iopl,
+};
+