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/*
* Copyright (c) 2012, ARM Limited. All rights reserved.
*
* Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*/
#include "misc.h"
#include "virt_helpers.h"
#include "bakery.h"
#if TUBE
void write_trace(bakery_t * lock,
unsigned tube_offset,
char *msg,
unsigned long long data0,
unsigned long long data1, unsigned long long data2)
{
unsigned long long volatile *data = 0x0;
unsigned cpu_id = read_cpuid();
unsigned cluster_id = read_clusterid();
get_bakery_spinlock(cpu_id, lock);
/* Write the 3 double words that the tube supports */
data =
(unsigned long long volatile *)(KFSCB_BASE + tube_offset +
TUBE_DATA0);
*data++ = data0;
*data++ = data1;
*data = data2;
/* Write the string to the tube. */
while (*msg != '\0') {
write32(KFSCB_BASE + tube_offset + TUBE_CHAR, (unsigned)*msg);
msg++;
}
write32(KFSCB_BASE + tube_offset + TUBE_CHAR, *msg);
release_bakery_spinlock(cpu_id, lock);
return;
}
#endif
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