1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * PA-RISC KGDB support
4 *
5 * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org>
6 *
7 */
8
9#ifndef __PARISC_KGDB_H__
10#define __PARISC_KGDB_H__
11
12#define BREAK_INSTR_SIZE		4
13#define PARISC_KGDB_COMPILED_BREAK_INSN	0x3ffc01f
14#define PARISC_KGDB_BREAK_INSN		0x3ffa01f
15
16
17#define NUMREGBYTES			sizeof(struct parisc_gdb_regs)
18#define BUFMAX				4096
19
20#define CACHE_FLUSH_IS_SAFE		1
21
22#ifndef __ASSEMBLY__
23
24static inline void arch_kgdb_breakpoint(void)
25{
26	asm(".word %0" : : "i"(PARISC_KGDB_COMPILED_BREAK_INSN) : "memory");
27}
28
29struct parisc_gdb_regs {
30	unsigned long gpr[32];
31	unsigned long sar;
32	unsigned long iaoq_f;
33	unsigned long iasq_f;
34	unsigned long iaoq_b;
35	unsigned long iasq_b;
36	unsigned long eiem;
37	unsigned long iir;
38	unsigned long isr;
39	unsigned long ior;
40	unsigned long ipsw;
41	unsigned long __unused0;
42	unsigned long sr4;
43	unsigned long sr0;
44	unsigned long sr1;
45	unsigned long sr2;
46	unsigned long sr3;
47	unsigned long sr5;
48	unsigned long sr6;
49	unsigned long sr7;
50	unsigned long cr0;
51	unsigned long pid1;
52	unsigned long pid2;
53	unsigned long scrccr;
54	unsigned long pid3;
55	unsigned long pid4;
56	unsigned long cr24;
57	unsigned long cr25;
58	unsigned long cr26;
59	unsigned long cr27;
60	unsigned long cr28;
61	unsigned long cr29;
62	unsigned long cr30;
63
64	u64 fr[32];
65};
66
67#endif
68#endif
69