arch/h8300/include/asm/sh_bios.h

   1 /* eCos HAL interface header */
   2
   3 #ifndef SH_BIOS_H
   4 #define SH_BIOS_H
   5
   6 #define HAL_IF_VECTOR_TABLE 0xfffe20
   7 #define CALL_IF_SET_CONSOLE_COMM  13
   8 #define QUERY_CURRENT -1
   9 #define MANGLER       -3
  10
  11 /* Checking for GDB stub active */
  12 /* suggestion Jonathan Larmour */
  13 static int sh_bios_in_gdb_mode(void)
  14 {
  15         static int gdb_active = -1;
  16         if (gdb_active == -1) {
  17                 int (*set_console_comm)(int);
  18                 set_console_comm = ((void **)HAL_IF_VECTOR_TABLE)[CALL_IF_SET_CONSOLE_COMM];
  19                 gdb_active = (set_console_comm(QUERY_CURRENT) == MANGLER);
  20         }
  21         return gdb_active;
  22 }
  23
  24 static void sh_bios_gdb_detach(void)
  25 {
  26
  27 }
  28
  29 #endif