[syslinux:master] ACPI: Adding MCFG support

syslinux-bot for Erwan Velu erwanaliasr1 at gmail.com
Sun Feb 6 14:08:02 PST 2011


Commit-ID:  c6e2eb83837b33c226119f971bee949396356701
Gitweb:     http://syslinux.zytor.com/commit/c6e2eb83837b33c226119f971bee949396356701
Author:     Erwan Velu <erwanaliasr1 at gmail.com>
AuthorDate: Mon, 31 Jan 2011 22:14:16 +0100
Committer:  Erwan Velu <erwanaliasr1 at gmail.com>
CommitDate: Mon, 31 Jan 2011 22:14:16 +0100

ACPI: Adding MCFG support



---
 com32/gplinclude/acpi/acpi.h             |    2 ++
 com32/gplinclude/acpi/{hpet.h => mcfg.h} |   10 +++++-----
 com32/gpllib/acpi/acpi.c                 |    7 +++++++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/com32/gplinclude/acpi/acpi.h b/com32/gplinclude/acpi/acpi.h
index 8b9bec4..8126809 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/hpet.h b/com32/gplinclude/acpi/mcfg.h
similarity index 89%
copy from com32/gplinclude/acpi/hpet.h
copy to com32/gplinclude/acpi/mcfg.h
index 99dea6a..8c67315 100644
--- a/com32/gplinclude/acpi/hpet.h
+++ b/com32/gplinclude/acpi/mcfg.h
@@ -10,20 +10,20 @@
  *
  * ----------------------------------------------------------------------- */
 
-#ifndef HPET_H
-#define HPET_H
+#ifndef MCFG_H
+#define MCFG_H
 #include <inttypes.h>
 #include <stdbool.h>
 
-#define HPET "HPET"
+#define MCFG "MCFG"
 
-enum { HPET_TABLE_FOUND = 1 };
+enum { MCFG_TABLE_FOUND = 1 };
 
 typedef struct {
     uint64_t *address;
     s_acpi_description_header header;
     /* What's inside ? */
     bool valid;
-} s_hpet;
+} s_mcfg;
 
 #endif
diff --git a/com32/gpllib/acpi/acpi.c b/com32/gpllib/acpi/acpi.c
index ba53239..55c6d1a 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));
 	    }
 
 



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