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authorErwan Velu <erwanaliasr1@gmail.com>2011-01-31 22:14:16 +0100
committerErwan Velu <erwanaliasr1@gmail.com>2011-01-31 22:14:16 +0100
commitc6e2eb83837b33c226119f971bee949396356701 (patch)
tree7147bca8a3ac213cf6227a9d1f9e300f369eb0e2 /com32
parent09bfdcd4f24440b0a6ec85c64d929214c98bc148 (diff)
downloadsyslinux-c6e2eb83837b33c226119f971bee949396356701.tar.gz
syslinux-c6e2eb83837b33c226119f971bee949396356701.tar.xz
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ACPI: Adding MCFG support
Diffstat (limited to 'com32')
-rw-r--r--com32/gplinclude/acpi/acpi.h2
-rw-r--r--com32/gplinclude/acpi/mcfg.h29
-rw-r--r--com32/gpllib/acpi/acpi.c7
3 files changed, 38 insertions, 0 deletions
diff --git a/com32/gplinclude/acpi/acpi.h b/com32/gplinclude/acpi/acpi.h
index 8b9bec4b..81268097 100644
--- a/com32/gplinclude/acpi/acpi.h
+++ b/com32/gplinclude/acpi/acpi.h
@@ -33,6 +33,7 @@ void dbg_printf(const char *fmt, ...);
#include <acpi/facs.h>
#include <acpi/hpet.h>
#include <acpi/tcpa.h>
+#include <acpi/mcfg.h>
enum { ACPI_FOUND = 1, ENO_ACPI = 2 , MADT_FOUND = 3 , ENO_MADT = 4 };
@@ -80,6 +81,7 @@ typedef struct {
s_facs facs;
s_hpet hpet;
s_tcpa tcpa;
+ s_mcfg mcfg;
} s_acpi;
int parse_acpi(s_acpi * acpi);
diff --git a/com32/gplinclude/acpi/mcfg.h b/com32/gplinclude/acpi/mcfg.h
new file mode 100644
index 00000000..8c673153
--- /dev/null
+++ b/com32/gplinclude/acpi/mcfg.h
@@ -0,0 +1,29 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2009-2011 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 MCFG_H
+#define MCFG_H
+#include <inttypes.h>
+#include <stdbool.h>
+
+#define MCFG "MCFG"
+
+enum { MCFG_TABLE_FOUND = 1 };
+
+typedef struct {
+ uint64_t *address;
+ s_acpi_description_header header;
+ /* What's inside ? */
+ bool valid;
+} s_mcfg;
+
+#endif
diff --git a/com32/gpllib/acpi/acpi.c b/com32/gpllib/acpi/acpi.c
index ba532396..55c6d1a1 100644
--- a/com32/gpllib/acpi/acpi.c
+++ b/com32/gpllib/acpi/acpi.c
@@ -214,6 +214,13 @@ bool parse_header(uint64_t *address, s_acpi *acpi) {
t->valid = true;
t->address = address;
memcpy(&t->header, &adh, sizeof(adh));
+ } else if (memcmp(adh.signature, MCFG, sizeof(MCFG) - 1) == 0) {
+ DEBUG_PRINT(("MCFG table found\n"));
+ s_mcfg *m = &acpi->mcfg;
+ /* This structure is valid, let's fill it */
+ m->valid = true;
+ m->address = address;
+ memcpy(&m->header, &adh, sizeof(adh));
}