[PATCH 06/30] acpi: move XSDT test from acpitables into new XSDT test

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

Re-organise XSDT test, move it out of acpitables and into
a new acpi XSDT test

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/Makefile.am                  |  1 +
 src/acpi/acpitables/acpitables.c | 18 ---------
 src/acpi/xsdt/xsdt.c             | 85 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 86 insertions(+), 18 deletions(-)
 create mode 100644 src/acpi/xsdt/xsdt.c

diff --git a/src/Makefile.am b/src/Makefile.am
index 70cc5d8..6a20bf2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -67,6 +67,7 @@ fwts_SOURCES = main.c 				\
 	acpi/syntaxcheck/syntaxcheck.c 		\
 	acpi/wakealarm/wakealarm.c 		\
 	acpi/wmi/wmi.c 				\
+	acpi/xsdt/xsdt.c			\
 	apic/apicedge/apicedge.c 		\
 	bios/bios_info/bios_info.c 		\
 	bios/bios32/bios32.c 			\
diff --git a/src/acpi/acpitables/acpitables.c b/src/acpi/acpitables/acpitables.c
index e42c1e9..8822eb4 100644
--- a/src/acpi/acpitables/acpitables.c
+++ b/src/acpi/acpitables/acpitables.c
@@ -296,23 +296,6 @@ static void acpi_table_check_sbst(fwts_framework *fw, fwts_acpi_table_info *tabl
 	}
 }
 
-static void acpi_table_check_xsdt(fwts_framework *fw, fwts_acpi_table_info *table)
-{
-	int i;
-	int n;
-	fwts_acpi_table_xsdt *xsdt = (fwts_acpi_table_xsdt*)table->data;
-
-	n = (table->length - sizeof(fwts_acpi_table_header)) / sizeof(uint64_t);
-	for (i=0; i<n; i++)  {
-		if (xsdt->entries[i] == 0) {
-			fwts_failed(fw, LOG_LEVEL_MEDIUM, "XSDTEntryNull", "XSDT Entry %d is null, should not be non-zero.", i);
-			fwts_advice(fw, "A XSDT pointer is null and therefore erroneously points to an invalid 64 bit "
-					"ACPI table header. At worse this will cause the kernel to oops, at best the kernel "
-					"may ignore this.  However, it should be fixed where possible.");
-		}
-	}
-}
-
 static void acpi_table_check_mcfg(fwts_framework *fw, fwts_acpi_table_info *table)
 {
 	FWTS_UNUSED(fw);
@@ -332,7 +315,6 @@ static acpi_table_check_table check_table[] = {
 	{ "RSDT", acpi_table_check_rsdt },
 	{ "RSDP", acpi_table_check_rsdp },
 	{ "SBST", acpi_table_check_sbst },
-	{ "XSDT", acpi_table_check_xsdt },
 	{ NULL  , NULL },
 } ;
 
diff --git a/src/acpi/xsdt/xsdt.c b/src/acpi/xsdt/xsdt.c
new file mode 100644
index 0000000..779038a
--- /dev/null
+++ b/src/acpi/xsdt/xsdt.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2015 Canonical
+ *
+ * Portions of this code original from the Linux-ready Firmware Developer Kit
+ *
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+#include "fwts.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <string.h>
+
+static fwts_acpi_table_info *table;
+
+static int xsdt_init(fwts_framework *fw)
+{
+	if (fwts_acpi_find_table(fw, "XSDT", 0, &table) != FWTS_OK) {
+		fwts_log_error(fw, "Cannot read ACPI tables.");
+		return FWTS_ERROR;
+	}
+	if (table == NULL || (table && table->length == 0)) {
+		fwts_log_error(fw, "ACPI XSDT table does not exist, skipping test");
+		return FWTS_SKIP;
+	}
+	return FWTS_OK;
+}
+
+/*
+ *  XSDT Extended System Description Table
+ */
+static int xsdt_test1(fwts_framework *fw)
+{
+	fwts_acpi_table_xsdt *xsdt = (fwts_acpi_table_xsdt*)table->data;
+	size_t i, n;
+	bool passed = true;
+
+	n = (table->length - sizeof(fwts_acpi_table_header)) / sizeof(uint64_t);
+	for (i = 0; i < n; i++) {
+		if (xsdt->entries[i] == 0) {
+			passed = false;
+			fwts_failed(fw, LOG_LEVEL_MEDIUM,
+				"XSDTEntryNull",
+				"XSDT Entry %zd is null, should not be non-zero.", i);
+			fwts_advice(fw,
+				"A XSDT pointer is null and therefore erroneously "
+				"points to an invalid 64 bit ACPI table header. "
+				"At worse this will cause the kernel to oops, at "
+				"best the kernel may ignore this.  However, it "
+				"should be fixed where possible.");
+		}
+	}
+	if (passed)
+		fwts_passed(fw, "No issues found in XSDT table.");
+
+	return FWTS_OK;
+}
+
+static fwts_framework_minor_test xsdt_tests[] = {
+	{ xsdt_test1, "XSDT Extended System Description Table test." },
+	{ NULL, NULL }
+};
+
+static fwts_framework_ops xsdt_ops = {
+	.description = "XSDT Extended System Description Table test.",
+	.init        = xsdt_init,
+	.minor_tests = xsdt_tests
+};
+
+FWTS_REGISTER("xsdt", &xsdt_ops, FWTS_TEST_ANYTIME, FWTS_FLAG_BATCH | FWTS_FLAG_ROOT_PRIV | FWTS_FLAG_TEST_ACPI)
-- 
2.1.4