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rpi: Add debug code from u-boot code

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* Cleaned up a bit
* Add panic function
* Add printd function

Signed-off-by: Alexander von Gluck IV <[email protected]>
This commit is contained in:
Johannes Wischert
2012-05-15 19:05:54 -05:00
committed by Alexander von Gluck IV
parent 3af608ada5
commit aeb2376cdd
1 changed files with 41 additions and 4 deletions
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src/system/boot/platform/raspberrypi_arm/debug.cpp
+41 -4
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@@ -1,25 +1,62 @@
/* /*
* Copyright 2004-2005, Axel Dörfler, [email protected].
* All rights reserved. Distributed under the terms of the MIT License.
*
* Copyright 2009 Jonas Sundström, [email protected] * Copyright 2009 Jonas Sundström, [email protected]
* All rights reserved. Distributed under the terms of the MIT License. * All rights reserved. Distributed under the terms of the MIT License.
*/ */
#include "serial.h"
#include <boot/platform.h> #include <boot/platform.h>
#include <boot/stdio.h> #include <boot/stdio.h>
#include <stdarg.h> #include <stdarg.h>
void extern "C" void
panic(const char* format, ...) panic(const char* format, ...)
{ {
#warning IMPLEMENT panic const char hint[] = "*** PANIC ***";
char buffer[512];
va_list list;
int length;
serial_puts(hint, sizeof(hint));
va_start(list, format);
length = vsnprintf(buffer, sizeof(buffer), format, list);
va_end(list);
if (length >= (int)sizeof(buffer))
length = sizeof(buffer) - 1;
serial_puts(buffer, length);
//fprintf(stderr, "%s", buffer);
serial_puts("\nPress key to reboot.", 21);
platform_exit();
} }
void extern "C" void
dprintf(const char* format, ...) dprintf(const char* format, ...)
{ {
#warning IMPLEMENT dprintf char buffer[512];
va_list list;
int length;
va_start(list, format);
length = vsnprintf(buffer, sizeof(buffer), format, list);
va_end(list);
if (length >= (int)sizeof(buffer))
length = sizeof(buffer) - 1;
serial_puts(buffer, length);
if (platform_boot_options() & BOOT_OPTION_DEBUG_OUTPUT)
fprintf(stderr, "%s", buffer);
} }