Move CMOS handling into separate files in accessors

Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6313 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

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 0000000000..c124cdeee8
--- /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,
+};
+