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 KGDB_MAX_BREAKPOINTS 40
21
22 #define CACHE_FLUSH_IS_SAFE 1
23
24 #ifndef __ASSEMBLY__
25
26 static inline void arch_kgdb_breakpoint(void)
27 {
28 asm(".word %0" : : "i"(PARISC_KGDB_COMPILED_BREAK_INSN) : "memory");
29 }
30
31 struct parisc_gdb_regs {
32 unsigned long gpr[32];
33 unsigned long sar;
34 unsigned long iaoq_f;
35 unsigned long iasq_f;
36 unsigned long iaoq_b;
37 unsigned long iasq_b;
38 unsigned long eiem;
39 unsigned long iir;
40 unsigned long isr;
41 unsigned long ior;
42 unsigned long ipsw;
43 unsigned long __unused0;
44 unsigned long sr4;
45 unsigned long sr0;
46 unsigned long sr1;
47 unsigned long sr2;
48 unsigned long sr3;
49 unsigned long sr5;
50 unsigned long sr6;
51 unsigned long sr7;
52 unsigned long cr0;
53 unsigned long pid1;
54 unsigned long pid2;
55 unsigned long scrccr;
56 unsigned long pid3;
57 unsigned long pid4;
58 unsigned long cr24;
59 unsigned long cr25;
60 unsigned long cr26;
61 unsigned long cr27;
62 unsigned long cr28;
63 unsigned long cr29;
64 unsigned long cr30;
65
66 u64 fr[32];
67 };
68
69 #endif
70 #endif
71
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