acpi: Fixing parsing

Impact: none

Parsing have to be done the spec says ;)
Let's found the RSDP first

1 files changed, 35 insertions, 0 deletions

diff --git a/com32/gplinclude/acpi/rsdp.h b/com32/gplinclude/acpi/rsdp.h
new file mode 100644
index 00000000..df4da2d8
--- /dev/null
+++ b/com32/gplinclude/acpi/rsdp.h
@@ -0,0 +1,35 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2009 Erwan Velu - All Rights Reserved
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#ifndef RSDP_H
+#define RSDP_H
+#include <inttypes.h>
+#include <stdbool.h>
+
+#define RSDP_MIN_ADDRESS 0x0E0000
+#define RSDP_MAX_ADDRESS 0x0FFFFF
+enum { RSDP_TABLE_FOUND };
+
+typedef struct {
+    uint64_t address;
+    uint8_t signature[8 + 1];
+    uint8_t checksum;
+    uint8_t oem_id[6 + 1];
+    uint8_t revision;
+    uint32_t rsdt_address;
+    uint32_t length;
+    uint32_t xsdt_address;
+    uint8_t extended_checksum;
+    bool valid;
+} s_rsdp;
+
+#endif