Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) ** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #ifndef _PARISC_PTRACE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #define _PARISC_PTRACE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <uapi/asm/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define arch_has_single_step()	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define arch_has_block_step()	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* XXX should we use iaoq[1] or iaoq[0] ? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define user_mode(regs)			(((regs)->iaoq[0] & 3) ? 1 : 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define user_space(regs)		(((regs)->iasq[1] != 0) ? 1 : 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define instruction_pointer(regs)	((regs)->iaoq[0] & ~3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define user_stack_pointer(regs)	((regs)->gr[30])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned long profile_pc(struct pt_regs *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static inline unsigned long regs_return_value(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	return regs->gr[28];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline void instruction_pointer_set(struct pt_regs *regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 						unsigned long val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	regs->iaoq[0] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	regs->iaoq[1] = val + 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* Query offset/name of register from its name/offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) extern int regs_query_register_offset(const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) extern const char *regs_query_register_name(unsigned int offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define MAX_REG_OFFSET (offsetof(struct pt_regs, ipsw))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define kernel_stack_pointer(regs) ((regs)->gr[30])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static inline unsigned long regs_get_register(struct pt_regs *regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 					      unsigned int offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	if (unlikely(offset > MAX_REG_OFFSET))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	return *(unsigned long *)((unsigned long)regs + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #endif