arch/arm-efika/kernel/kernel_debug.c

   1 /*
   2     Copyright © 1995-2010, The AROS Development Team. All rights reserved.
   3     $Id:$
   4
   5     Desc: kernel_debug.c
   6     Lang: english
   7 */
   8
   9 #include <aros/kernel.h>
  10 #include <inttypes.h>
  11
  12 #include <kernel_base.h>
  13 #include <kernel_debug.h>
  14
  15 #define UART1_BASE_ADDR         0x73fbc000
  16
  17 #define ONEMS   (0xb0/4)
  18 #define UBIR    (0xa4/4)
  19 #define UBMR    (0xa8/4)
  20 #define UCR2    (0x84/4)
  21
  22 inline void waitBusy()
  23 {
  24         volatile uint32_t *uart = (uint32_t *)UART1_BASE_ADDR;
  25         while(!(uart[0x98 / 4] & (1 << 3)));
  26 }
  27
  28 inline void putByte(uint8_t chr)
  29 {
  30         volatile uint32_t *uart = (uint32_t *)UART1_BASE_ADDR;
  31         uart[0x10] = chr;
  32         if (chr == '\n')
  33                 uart[0x10] = '\r';
  34 }
  35
  36 int krnPutC(int chr, struct KernelBase *KernelBase)
  37 {
  38         putByte(chr);
  39         waitBusy();
  40 }