| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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 | |
| 24 | static inline void arch_kgdb_breakpoint(void) |
| 25 | { |
| 26 | asm(".word %0" : : "i"(PARISC_KGDB_COMPILED_BREAK_INSN) : "memory"); |
| 27 | } |
| 28 | |
| 29 | struct 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 |