summaryrefslogtreecommitdiff
path: root/arch/microblaze/include/asm/kgdb.h
blob: 8dc5ebb07fd5a68d7ca9f09b7d8ed94ec62eed3e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/* SPDX-License-Identifier: GPL-2.0 */
#ifdef __KERNEL__
#ifndef __MICROBLAZE_KGDB_H__
#define __MICROBLAZE_KGDB_H__

#ifndef __ASSEMBLY__

#define CACHE_FLUSH_IS_SAFE	1
#define BUFMAX			2048

/*
 * 32 32-bit general purpose registers (r0-r31)
 *  6 32-bit special registers (pc, msr, ear, esr, fsr, btr)
 * 12 32-bit PVR
 *   7 32-bit MMU Regs (redr, rpid, rzpr, rtlbx, rtlbsx, rtlblo, rtlbhi)
 * ------
 *  57 registers
 */
#define NUMREGBYTES	(57 * 4)

#define BREAK_INSTR_SIZE	4
static inline void arch_kgdb_breakpoint(void)
{
	__asm__ __volatile__("brki r16, 0x18;");
}

struct pt_regs;
asmlinkage void microblaze_kgdb_break(struct pt_regs *regs);

#endif /* __ASSEMBLY__ */
#endif /* __MICROBLAZE_KGDB_H__ */
#endif /* __KERNEL__ */