From 689b7539711ab098911503808cc3e24307d9bcf7 Mon Sep 17 00:00:00 2001
From: Drew Richardson <drew.richardson@arm.com>
Date: Tue, 29 Nov 2011 12:00:00 -0800
Subject: gator: Version 5.8

Signed-off-by: Drew Richardson <drew.richardson@arm.com>
---
 driver/gator_annotate_kernel.c | 91 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 driver/gator_annotate_kernel.c

(limited to 'driver/gator_annotate_kernel.c')

diff --git a/driver/gator_annotate_kernel.c b/driver/gator_annotate_kernel.c
new file mode 100644
index 0000000..4f690e8
--- /dev/null
+++ b/driver/gator_annotate_kernel.c
@@ -0,0 +1,91 @@
+/**
+ * Copyright (C) ARM Limited 2011. 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 version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+static void kannotate_write(char* ptr, unsigned int size)
+{
+	int retval;
+	int pos = 0;
+	loff_t offset = 0;
+	while (pos < size) {
+		 retval = annotate_write(NULL, &ptr[pos], size - pos, &offset);
+		 if (retval < 0) {
+			 printk(KERN_WARNING "gator: kannotate_write failed with return value %d\n", retval);
+			 return;
+		 }
+		 pos += retval;
+	}
+}
+
+// String annotation
+void gator_annotate(char* string)
+{
+	printk(KERN_ERR "module: %s\n", string);
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate);
+
+// String annotation with color
+void gator_annotate_color(int color, char* string)
+{
+	kannotate_write((char*)&color, sizeof(color));
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate_color);
+
+// Terminate an annotation
+void gator_annotate_end(void)
+{
+	char nul = 0;
+	kannotate_write(&nul, sizeof(nul));
+}
+EXPORT_SYMBOL(gator_annotate_end);
+
+// Image annotation with optional string
+void gator_annotate_visual(char* data, unsigned int length, char* string)
+{
+	long long visual_annotation = 0x011c | (strlen(string) << 16) | ((long long)length << 32);
+	kannotate_write((char*)&visual_annotation, 8);
+	kannotate_write(string, strlen(string));
+	kannotate_write(data, length);
+}
+EXPORT_SYMBOL(gator_annotate_visual);
+
+// Marker annotation
+void gator_annotate_marker(void)
+{
+	int marker_annotation = 0x00021c;
+	kannotate_write((char*)&marker_annotation, 3);
+}
+EXPORT_SYMBOL(gator_annotate_marker);
+
+// Marker annotation with a string
+void gator_annotate_marker_str(char* string)
+{
+	int marker_annotation = 0x021c;
+	kannotate_write((char*)&marker_annotation, 2);
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate_marker_str);
+
+// Marker annotation with a color
+void gator_annotate_marker_color(int color)
+{
+	long long marker_annotation = (0x021c | ((long long)color << 16)) & 0x0000ffffffffffffLL;
+	kannotate_write((char*)&marker_annotation, 7);
+}
+EXPORT_SYMBOL(gator_annotate_marker_color);
+
+// Marker annotationw ith a string and color
+void gator_annotate_marker_color_str(int color, char* string)
+{
+	long long marker_annotation = 0x021c | ((long long)color << 16);
+	kannotate_write((char*)&marker_annotation, 6);
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate_marker_color_str);
-- 
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