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authorErwan Velu <erwan.velu@free.fr>2009-11-30 17:09:20 +0100
committerErwan Velu <erwan.velu@free.fr>2009-12-04 10:19:00 +0100
commit7533ef22b8c3ee2f3a556c223201c6d0ee99d103 (patch)
treeb2575bcd61e3df83d6af98db789be4cfb0caf918 /com32/gplinclude
parent72ac272320910ad39028dd84ad8e48e885eed9d2 (diff)
downloadsyslinux-7533ef22b8c3ee2f3a556c223201c6d0ee99d103.tar.gz
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acpi: Initial stuff to find madt
Impact: adding madt stuff Trying to add some madt stuff
Diffstat (limited to 'com32/gplinclude')
-rw-r--r--com32/gplinclude/acpi/acpi.h47
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