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
  22 static inline void arch_kgdb_breakpoint(void)
  23 {
  24         __asm__ __volatile__("brki r16, 0x18;");
  25 }
  26
  27 struct pt_regs;
  28 asmlinkage void microblaze_kgdb_break(struct pt_regs *regs);
  29
  30 #endif /* __ASSEMBLY__ */
  31 #endif /* __MICROBLAZE_KGDB_H__ */
  32 #endif /* __KERNEL__ */