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/**
* 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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