ACPI: Adding MCFG support

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));
 	    }