/* *  linux/include/asm-arm/proc-armv/processor.h * *  Copyright (C) 1996-1999 Russell King. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * *  Changelog: *   20-09-1996	RMK	Created *   26-09-1996	RMK	Added 'EXTRA_THREAD_STRUCT*' *   28-09-1996	RMK	Moved start_thread into the processor dependencies *   09-09-1998	PJB	Delete redundant `wp_works_ok' *   30-05-1999	PJB	Save sl across context switches *   31-07-1999	RMK	Added 'domain' stuff */#ifndef __ASM_PROC_PROCESSOR_H#define __ASM_PROC_PROCESSOR_H#include <asm/proc/domain.h>#define KERNEL_STACK_SIZE	PAGE_SIZEstruct context_save_struct {	unsigned long cpsr;	unsigned long r4;	unsigned long r5;	unsigned long r6;	unsigned long r7;	unsigned long r8;	unsigned long r9;	unsigned long sl;	unsigned long fp;	unsigned long pc;};#define INIT_CSS (struct context_save_struct){ SVC_MODE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }#define EXTRA_THREAD_STRUCT						\	unsigned int	domain;#define EXTRA_THREAD_STRUCT_INIT					\	domain:	  domain_val(DOMAIN_USER, DOMAIN_CLIENT) |		\		  domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) |		\		  domain_val(DOMAIN_IO, DOMAIN_CLIENT)#define start_thread(regs,pc,sp)					\({									\	unsigned long *stack = (unsigned long *)sp;			\	set_fs(USER_DS);						\	memzero(regs->uregs, sizeof(regs->uregs));			\	if (current->personality & ADDR_LIMIT_32BIT)			\		regs->ARM_cpsr = USR_MODE;				\	else								\		regs->ARM_cpsr = USR26_MODE;				\	regs->ARM_pc = pc;		/* pc */			\	regs->ARM_sp = sp;		/* sp */			\	regs->ARM_r2 = stack[2];	/* r2 (envp) */			\	regs->ARM_r1 = stack[1];	/* r1 (argv) */			\	regs->ARM_r0 = stack[0];	/* r0 (argc) */			\})#define KSTK_EIP(tsk)	(((unsigned long *)(4096+(unsigned long)(tsk)))[1019])#define KSTK_ESP(tsk)	(((unsigned long *)(4096+(unsigned long)(tsk)))[1017])/* Allocation and freeing of basic task resources. *//* * NOTE! The task struct and the stack go together */#define ll_alloc_task_struct() ((struct task_struct *) __get_free_pages(GFP_KERNEL,1))#define ll_free_task_struct(p) free_pages((unsigned long)(p),1)#endif