LXR linux/arch/microblaze/include/asm/kgdb.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifdef __KERNEL__
   3#ifndef __MICROBLAZE_KGDB_H__
   4#define __MICROBLAZE_KGDB_H__
   5
   6#ifndef __ASSEMBLY__
   7
   8#define CACHE_FLUSH_IS_SAFE     1
   9#define BUFMAX                  2048
  10
  11/*
  12 * 32 32-bit general purpose registers (r0-r31)
  13 *  6 32-bit special registers (pc, msr, ear, esr, fsr, btr)
  14 * 12 32-bit PVR
  15 *   7 32-bit MMU Regs (redr, rpid, rzpr, rtlbx, rtlbsx, rtlblo, rtlbhi)
  16 * ------
  17 *  57 registers
  18 */
  19#define NUMREGBYTES     (57 * 4)
  20
  21#define BREAK_INSTR_SIZE        4
  22static inline void arch_kgdb_breakpoint(void)
  23{
  24        __asm__ __volatile__("brki r16, 0x18;");
  25}
  26
  27struct pt_regs;
  28asmlinkage void microblaze_kgdb_break(struct pt_regs *regs);
  29
  30#endif /* __ASSEMBLY__ */
  31#endif /* __MICROBLAZE_KGDB_H__ */
  32#endif /* __KERNEL__ */
  33