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authorErwan Velu <erwanaliasr1@gmail.com>2011-01-31 22:01:26 +0100
committerErwan Velu <erwanaliasr1@gmail.com>2011-01-31 22:02:30 +0100
commitb55c988dcca34d43ffba87adb604925a91f20496 (patch)
tree3b40a714778622c6de7da88c2a584969b41a128c
parent19d91695375b21bba897b19ac6eadeba04dce047 (diff)
downloadsyslinux-b55c988dcca34d43ffba87adb604925a91f20496.tar.gz
syslinux-b55c988dcca34d43ffba87adb604925a91f20496.tar.xz
syslinux-b55c988dcca34d43ffba87adb604925a91f20496.zip
ACPI: Adding TCPA support
-rw-r--r--com32/gplinclude/acpi/acpi.h2
-rw-r--r--com32/gplinclude/acpi/tcpa.h29
-rw-r--r--com32/gpllib/acpi/acpi.c8
3 files changed, 39 insertions, 0 deletions
diff --git a/com32/gplinclude/acpi/acpi.h b/com32/gplinclude/acpi/acpi.h
index 490fbca8..8b9bec4b 100644
--- a/com32/gplinclude/acpi/acpi.h
+++ b/com32/gplinclude/acpi/acpi.h
@@ -32,6 +32,7 @@ void dbg_printf(const char *fmt, ...);
#include <acpi/ecdt.h>
#include <acpi/facs.h>
#include <acpi/hpet.h>
+#include <acpi/tcpa.h>
enum { ACPI_FOUND = 1, ENO_ACPI = 2 , MADT_FOUND = 3 , ENO_MADT = 4 };
@@ -78,6 +79,7 @@ typedef struct {
s_ecdt ecdt;
s_facs facs;
s_hpet hpet;
+ s_tcpa tcpa;
} s_acpi;
int parse_acpi(s_acpi * acpi);
diff --git a/com32/gplinclude/acpi/tcpa.h b/com32/gplinclude/acpi/tcpa.h
new file mode 100644
index 00000000..a7ec376c
--- /dev/null
+++ b/com32/gplinclude/acpi/tcpa.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 TCPA_H
+#define TCPA_H
+#include <inttypes.h>
+#include <stdbool.h>
+
+#define HPET "HPET"
+
+enum { TCPA_TABLE_FOUND = 1 };
+
+typedef struct {
+ uint64_t *address;
+ s_acpi_description_header header;
+ /* What's inside ? */
+ bool valid;
+} s_tcpa;
+
+#endif
diff --git a/com32/gpllib/acpi/acpi.c b/com32/gpllib/acpi/acpi.c
index 68af84af..ba532396 100644
--- a/com32/gpllib/acpi/acpi.c
+++ b/com32/gpllib/acpi/acpi.c
@@ -207,7 +207,15 @@ bool parse_header(uint64_t *address, s_acpi *acpi) {
h->valid = true;
h->address = address;
memcpy(&h->header, &adh, sizeof(adh));
+ } else if (memcmp(adh.signature, TCPA, sizeof(TCPA) - 1) == 0) {
+ DEBUG_PRINT(("TCPA table found\n"));
+ s_tcpa *t = &acpi->tcpa;
+ /* This structure is valid, let's fill it */
+ t->valid = true;
+ t->address = address;
+ memcpy(&t->header, &adh, sizeof(adh));
}
+
return true;
}