acpi: Initial stuff to find madt

Impact: adding madt stuff

Trying to add some madt stuff

1 files changed, 47 insertions, 0 deletions

diff --git a/com32/gplinclude/acpi/acpi.h b/com32/gplinclude/acpi/acpi.h
new file mode 100644
index 00000000..c93ace2d
--- /dev/null
+++ b/com32/gplinclude/acpi/acpi.h
@@ -0,0 +1,47 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2006 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 ACPI_H
+#define ACPI_H
+#include <inttypes.h>
+#include <stdbool.h>
+
+enum { ACPI_FOUND, ENO_ACPI, MADT_FOUND, ENO_MADT};
+
+#define WORD(x) (uint16_t)(*(const uint16_t *)(x))
+#define DWORD(x) (uint32_t)(*(const uint32_t *)(x))
+#define QWORD(x) (*(const uint64_t *)(x))
+
+typedef struct {
+    uint8_t signature[4];
+    uint32_t len;
+    uint8_t  revision;
+    uint8_t  checksum;
+    uint8_t  oem_id[6];
+    uint8_t  oem_table_id[8];
+    uint8_t  oem_revision[4];
+    uint8_t  creator_id[4];
+    uint8_t  creator_revision[4];
+} s_madt;
+
+typedef struct {
+    s_madt madt;
+    uint64_t base_address;
+    uint64_t size;
+    bool madt_valid;
+    bool acpi_valid;
+} s_acpi;
+
+int search_acpi(s_acpi *acpi);
+int search_madt(s_acpi *acpi);
+void print_madt(s_acpi *acpi);
+#endif