diff options
Diffstat (limited to 'include/asm-arm/proc-armv')
| -rw-r--r-- | include/asm-arm/proc-armv/domain.h | 50 | ||||
| -rw-r--r-- | include/asm-arm/proc-armv/processor.h | 74 | ||||
| -rw-r--r-- | include/asm-arm/proc-armv/ptrace.h | 109 | ||||
| -rw-r--r-- | include/asm-arm/proc-armv/system.h | 169 |
4 files changed, 0 insertions, 402 deletions
diff --git a/include/asm-arm/proc-armv/domain.h b/include/asm-arm/proc-armv/domain.h deleted file mode 100644 index aadc831..0000000 --- a/include/asm-arm/proc-armv/domain.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * linux/include/asm-arm/proc-armv/domain.h - * - * Copyright (C) 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. - */ -#ifndef __ASM_PROC_DOMAIN_H -#define __ASM_PROC_DOMAIN_H - -/* - * Domain numbers - * - * DOMAIN_IO - domain 2 includes all IO only - * DOMAIN_KERNEL - domain 1 includes all kernel memory only - * DOMAIN_USER - domain 0 includes all user memory only - */ -#define DOMAIN_USER 0 -#define DOMAIN_KERNEL 1 -#define DOMAIN_TABLE 1 -#define DOMAIN_IO 2 - -/* - * Domain types - */ -#define DOMAIN_NOACCESS 0 -#define DOMAIN_CLIENT 1 -#define DOMAIN_MANAGER 3 - -#define domain_val(dom,type) ((type) << 2*(dom)) - -#define set_domain(x) \ - do { \ - __asm__ __volatile__( \ - "mcr p15, 0, %0, c3, c0 @ set domain" \ - : : "r" (x)); \ - } while (0) - -#define modify_domain(dom,type) \ - do { \ - unsigned int domain = current->thread.domain; \ - domain &= ~domain_val(dom, DOMAIN_MANAGER); \ - domain |= domain_val(dom, type); \ - current->thread.domain = domain; \ - set_domain(current->thread.domain); \ - } while (0) - -#endif diff --git a/include/asm-arm/proc-armv/processor.h b/include/asm-arm/proc-armv/processor.h deleted file mode 100644 index 5bfab7f..0000000 --- a/include/asm-arm/proc-armv/processor.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * 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 - -struct 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 diff --git a/include/asm-arm/proc-armv/ptrace.h b/include/asm-arm/proc-armv/ptrace.h deleted file mode 100644 index 79cc644..0000000 --- a/include/asm-arm/proc-armv/ptrace.h +++ /dev/null @@ -1,109 +0,0 @@ -/* - * linux/include/asm-arm/proc-armv/ptrace.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. - */ -#ifndef __ASM_PROC_PTRACE_H -#define __ASM_PROC_PTRACE_H - -#include <linux/config.h> - -#define USR26_MODE 0x00 -#define FIQ26_MODE 0x01 -#define IRQ26_MODE 0x02 -#define SVC26_MODE 0x03 -#define USR_MODE 0x10 -#define FIQ_MODE 0x11 -#define IRQ_MODE 0x12 -#define SVC_MODE 0x13 -#define ABT_MODE 0x17 -#define UND_MODE 0x1b -#define SYSTEM_MODE 0x1f -#define MODE_MASK 0x1f -#define T_BIT 0x20 -#define F_BIT 0x40 -#define I_BIT 0x80 -#define CC_V_BIT (1 << 28) -#define CC_C_BIT (1 << 29) -#define CC_Z_BIT (1 << 30) -#define CC_N_BIT (1 << 31) -#define PCMASK 0 - -#ifndef __ASSEMBLY__ - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -struct pt_regs { - long uregs[18]; -}; - -#define ARM_cpsr uregs[16] -#define ARM_pc uregs[15] -#define ARM_lr uregs[14] -#define ARM_sp uregs[13] -#define ARM_ip uregs[12] -#define ARM_fp uregs[11] -#define ARM_r10 uregs[10] -#define ARM_r9 uregs[9] -#define ARM_r8 uregs[8] -#define ARM_r7 uregs[7] -#define ARM_r6 uregs[6] -#define ARM_r5 uregs[5] -#define ARM_r4 uregs[4] -#define ARM_r3 uregs[3] -#define ARM_r2 uregs[2] -#define ARM_r1 uregs[1] -#define ARM_r0 uregs[0] -#define ARM_ORIG_r0 uregs[17] - -#ifdef __KERNEL__ - -#define user_mode(regs) \ - (((regs)->ARM_cpsr & 0xf) == 0) - -#ifdef CONFIG_ARM_THUMB -#define thumb_mode(regs) \ - (((regs)->ARM_cpsr & T_BIT)) -#else -#define thumb_mode(regs) (0) -#endif - -#define processor_mode(regs) \ - ((regs)->ARM_cpsr & MODE_MASK) - -#define interrupts_enabled(regs) \ - (!((regs)->ARM_cpsr & I_BIT)) - -#define fast_interrupts_enabled(regs) \ - (!((regs)->ARM_cpsr & F_BIT)) - -#define condition_codes(regs) \ - ((regs)->ARM_cpsr & (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT)) - -/* Are the current registers suitable for user mode? - * (used to maintain security in signal handlers) - */ -static inline int valid_user_regs(struct pt_regs *regs) -{ - if ((regs->ARM_cpsr & 0xf) == 0 && - (regs->ARM_cpsr & (F_BIT|I_BIT)) == 0) - return 1; - - /* - * Force CPSR to something logical... - */ - regs->ARM_cpsr &= (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT|0x10); - - return 0; -} - -#endif /* __KERNEL__ */ - -#endif /* __ASSEMBLY__ */ - -#endif diff --git a/include/asm-arm/proc-armv/system.h b/include/asm-arm/proc-armv/system.h deleted file mode 100644 index b4cfa68..0000000 --- a/include/asm-arm/proc-armv/system.h +++ /dev/null @@ -1,169 +0,0 @@ -/* - * linux/include/asm-arm/proc-armv/system.h - * - * Copyright (C) 1996 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. - */ -#ifndef __ASM_PROC_SYSTEM_H -#define __ASM_PROC_SYSTEM_H - -#include <linux/config.h> - -/* - * Save the current interrupt enable state & disable IRQs - */ -#define local_irq_save(x) \ - ({ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "mrs %0, cpsr @ local_irq_save\n" \ -" orr %1, %0, #128\n" \ -" msr cpsr_c, %1" \ - : "=r" (x), "=r" (temp) \ - : \ - : "memory"); \ - }) - -/* - * Enable IRQs - */ -#define local_irq_enable() \ - ({ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "mrs %0, cpsr @ local_irq_enable\n" \ -" bic %0, %0, #128\n" \ -" msr cpsr_c, %0" \ - : "=r" (temp) \ - : \ - : "memory"); \ - }) - -/* - * Disable IRQs - */ -#define local_irq_disable() \ - ({ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "mrs %0, cpsr @ local_irq_disable\n" \ -" orr %0, %0, #128\n" \ -" msr cpsr_c, %0" \ - : "=r" (temp) \ - : \ - : "memory"); \ - }) - -/* - * Enable FIQs - */ -#define __stf() \ - ({ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "mrs %0, cpsr @ stf\n" \ -" bic %0, %0, #64\n" \ -" msr cpsr_c, %0" \ - : "=r" (temp) \ - : \ - : "memory"); \ - }) - -/* - * Disable FIQs - */ -#define __clf() \ - ({ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "mrs %0, cpsr @ clf\n" \ -" orr %0, %0, #64\n" \ -" msr cpsr_c, %0" \ - : "=r" (temp) \ - : \ - : "memory"); \ - }) - -/* - * Save the current interrupt enable state. - */ -#define local_save_flags(x) \ - ({ \ - __asm__ __volatile__( \ - "mrs %0, cpsr @ local_save_flags\n" \ - : "=r" (x) \ - : \ - : "memory"); \ - }) - -/* - * restore saved IRQ & FIQ state - */ -#define local_irq_restore(x) \ - __asm__ __volatile__( \ - "msr cpsr_c, %0 @ local_irq_restore\n" \ - : \ - : "r" (x) \ - : "memory") - -#if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110) -/* - * On the StrongARM, "swp" is terminally broken since it bypasses the - * cache totally. This means that the cache becomes inconsistent, and, - * since we use normal loads/stores as well, this is really bad. - * Typically, this causes oopsen in filp_close, but could have other, - * more disasterous effects. There are two work-arounds: - * 1. Disable interrupts and emulate the atomic swap - * 2. Clean the cache, perform atomic swap, flush the cache - * - * We choose (1) since its the "easiest" to achieve here and is not - * dependent on the processor type. - */ -#define swp_is_buggy -#endif - -static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size) -{ - extern void __bad_xchg(volatile void *, int); - unsigned long ret; -#ifdef swp_is_buggy - unsigned long flags; -#endif - - switch (size) { -#ifdef swp_is_buggy - case 1: - local_irq_save(flags); - ret = *(volatile unsigned char *)ptr; - *(volatile unsigned char *)ptr = x; - local_irq_restore(flags); - break; - - case 4: - local_irq_save(flags); - ret = *(volatile unsigned long *)ptr; - *(volatile unsigned long *)ptr = x; - local_irq_restore(flags); - break; -#else - case 1: __asm__ __volatile__ ("swpb %0, %1, [%2]" - : "=&r" (ret) - : "r" (x), "r" (ptr) - : "memory"); - break; - case 4: __asm__ __volatile__ ("swp %0, %1, [%2]" - : "=&r" (ret) - : "r" (x), "r" (ptr) - : "memory"); - break; -#endif - default: __bad_xchg(ptr, size), ret = 0; - } - - return ret; -} - -#endif |