/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ASM_SCORE_PROCESSOR_H#define _ASM_SCORE_PROCESSOR_H #include <linux/cpumask.h>#include <linux/threads.h> #include <asm/segment.h> struct task_struct; /* * System setup and hardware flags.. */extern void (*cpu_wait)(void); extern void start_thread(struct pt_regs *regs,			unsigned long pc, unsigned long sp);extern unsigned long get_wchan(struct task_struct *p); /* * Return current * instruction pointer ("program counter"). */#define current_text_addr() ({ __label__ _l; _l: &&_l; }) #define cpu_relax()		barrier()#define release_thread(thread)	do {} while (0) /* * User space process size: 2GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. */#define TASK_SIZE	0x7fff8000UL /* * This decides where the kernel will search for a free chunk of vm * space during mmap's. */#define TASK_UNMAPPED_BASE	((TASK_SIZE / 3) & ~(PAGE_SIZE)) #ifdef __KERNEL__#define STACK_TOP	TASK_SIZE#define STACK_TOP_MAX	TASK_SIZE#endif /* * If you change thread_struct remember to change the #defines below too! */struct thread_struct {	unsigned long reg0, reg2, reg3;	unsigned long reg12, reg13, reg14, reg15, reg16;	unsigned long reg17, reg18, reg19, reg20, reg21; 	unsigned long cp0_psr;	unsigned long cp0_ema;		/* Last user fault */	unsigned long cp0_badvaddr;	/* Last user fault */	unsigned long cp0_baduaddr;	/* Last kernel fault accessing USEG */	unsigned long error_code;	unsigned long trap_no; 	unsigned long mflags;	unsigned long reg29; 	unsigned long single_step;	unsigned long ss_nextcnt; 	unsigned long insn1_type;	unsigned long addr1;	unsigned long insn1; 	unsigned long insn2_type;	unsigned long addr2;	unsigned long insn2; 	mm_segment_t current_ds;}; #define INIT_THREAD {						\	.reg0			= 0,				\	.reg2			= 0,				\	.reg3			= 0,				\	.reg12			= 0,				\	.reg13			= 0,				\	.reg14			= 0,				\	.reg15			= 0,				\	.reg16			= 0,				\	.reg17			= 0,				\	.reg18			= 0,				\	.reg19			= 0,				\	.reg20			= 0,				\	.reg21			= 0,				\	.cp0_psr		= 0,				\	.error_code		= 0,				\	.trap_no		= 0,				\} #define kstk_tos(tsk)		\	((unsigned long)task_stack_page(tsk) + THREAD_SIZE - 32)#define task_pt_regs(tsk)	((struct pt_regs *)kstk_tos(tsk) - 1) #define KSTK_EIP(tsk)		(task_pt_regs(tsk)->cp0_epc)#define KSTK_ESP(tsk)		(task_pt_regs(tsk)->regs[29]) #endif /* _ASM_SCORE_PROCESSOR_H */