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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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eacbfce19d
This patch add KGDB support to PA-RISC. It also implements single-stepping utilizing the recovery counter. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* PA-RISC KGDB support
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*
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* Copyright (c) 2019 Sven Schnelle <svens@stackframe.org>
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*
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*/
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#ifndef __PARISC_KGDB_H__
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#define __PARISC_KGDB_H__
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#define BREAK_INSTR_SIZE 4
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#define PARISC_KGDB_COMPILED_BREAK_INSN 0x3ffc01f
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#define PARISC_KGDB_BREAK_INSN 0x3ffa01f
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#define NUMREGBYTES sizeof(struct parisc_gdb_regs)
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#define BUFMAX 4096
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#define CACHE_FLUSH_IS_SAFE 1
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#ifndef __ASSEMBLY__
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static inline void arch_kgdb_breakpoint(void)
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{
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asm(".word %0" : : "i"(PARISC_KGDB_COMPILED_BREAK_INSN) : "memory");
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}
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struct parisc_gdb_regs {
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unsigned long gpr[32];
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unsigned long sar;
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unsigned long iaoq_f;
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unsigned long iasq_f;
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unsigned long iaoq_b;
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unsigned long iasq_b;
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unsigned long eiem;
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unsigned long iir;
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unsigned long isr;
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unsigned long ior;
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unsigned long ipsw;
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unsigned long __unused0;
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unsigned long sr4;
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unsigned long sr0;
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unsigned long sr1;
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unsigned long sr2;
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unsigned long sr3;
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unsigned long sr5;
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unsigned long sr6;
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unsigned long sr7;
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unsigned long cr0;
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unsigned long pid1;
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unsigned long pid2;
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unsigned long scrccr;
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unsigned long pid3;
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unsigned long pid4;
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unsigned long cr24;
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unsigned long cr25;
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unsigned long cr26;
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unsigned long cr27;
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unsigned long cr28;
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unsigned long cr29;
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unsigned long cr30;
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u64 fr[32];
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};
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#endif
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#endif
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