/* * 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_SIZE #define INIT_EXTRA_THREAD_INFO \ .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \ 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; \ if (elf_hwcap & HWCAP_THUMB && pc & 1) \ regs->ARM_cpsr |= PSR_T_BIT; \ regs->ARM_pc = pc & ~1; /* 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)->thread_info))[1019]) #define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)->thread_info))[1017]) #endif