common/kgdb_stubs.c

   1 /*
   2  * U-Boot - stub functions for common kgdb code,
   3  *          can be overridden in board specific files
   4  *
   5  * Copyright 2009 Analog Devices Inc.
   6  *
   7  * Licensed under the GPL-2 or later.
   8  */
   9
  10 #include <common.h>
  11 #include <cpu_func.h>
  12 #include <kgdb.h>
  13 #include <serial.h>
  14 #include <asm/ptrace.h>
  15
  16 int (*debugger_exception_handler)(struct pt_regs *);
  17
  18 __attribute__((weak))
  19 void kgdb_serial_init(void)
  20 {
  21         puts("[on serial] ");
  22 }
  23
  24 __attribute__((weak))
  25 void putDebugChar(int c)
  26 {
  27         serial_putc(c);
  28 }
  29
  30 __attribute__((weak))
  31 void putDebugStr(const char *str)
  32 {
  33 #ifdef DEBUG
  34         serial_puts(str);
  35 #endif
  36 }
  37
  38 __attribute__((weak))
  39 int getDebugChar(void)
  40 {
  41         return serial_getc();
  42 }
  43
  44 __attribute__((weak))
  45 void kgdb_interruptible(int yes)
  46 {
  47         return;
  48 }
  49
  50 __attribute__((weak))
  51 void kgdb_flush_cache_range(void *from, void *to)
  52 {
  53         flush_cache((unsigned long)from, (unsigned long)(to - from));
  54 }
  55
  56 __attribute__((weak))
  57 void kgdb_flush_cache_all(void)
  58 {
  59         if (dcache_status()) {
  60                 dcache_disable();
  61                 dcache_enable();
  62         }
  63         if (icache_status()) {
  64                 icache_disable();
  65                 icache_enable();
  66         }
  67 }