diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
commit | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch) | |
tree | bc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/arch/arm | |
parent | 21adb5284111190057db245cfc2b54091920c373 (diff) |
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/arch/arm')
17 files changed, 0 insertions, 2033 deletions
diff --git a/libdde_linux26/contrib/arch/arm/kernel/ptrace.h b/libdde_linux26/contrib/arch/arm/kernel/ptrace.h deleted file mode 100644 index def3b618..00000000 --- a/libdde_linux26/contrib/arch/arm/kernel/ptrace.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * linux/arch/arm/kernel/ptrace.h - * - * Copyright (C) 2000-2003 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. - */ -#include <linux/ptrace.h> - -extern void ptrace_cancel_bpt(struct task_struct *); -extern void ptrace_set_bpt(struct task_struct *); -extern void ptrace_break(struct task_struct *, struct pt_regs *); - -/* - * make sure single-step breakpoint is gone. - */ -static inline void single_step_disable(struct task_struct *task) -{ - task->ptrace &= ~PT_SINGLESTEP; - ptrace_cancel_bpt(task); -} - -static inline void single_step_enable(struct task_struct *task) -{ - task->ptrace |= PT_SINGLESTEP; -} - -/* - * Send SIGTRAP if we're single-stepping - */ -static inline void single_step_trap(struct task_struct *task) -{ - if (task->ptrace & PT_SINGLESTEP) { - ptrace_cancel_bpt(task); - send_sig(SIGTRAP, task, 1); - } -} - -static inline void single_step_clear(struct task_struct *task) -{ - if (task->ptrace & PT_SINGLESTEP) - ptrace_cancel_bpt(task); -} - -static inline void single_step_set(struct task_struct *task) -{ - if (task->ptrace & PT_SINGLESTEP) - ptrace_set_bpt(task); -} diff --git a/libdde_linux26/contrib/arch/arm/kernel/signal.h b/libdde_linux26/contrib/arch/arm/kernel/signal.h deleted file mode 100644 index 27beece1..00000000 --- a/libdde_linux26/contrib/arch/arm/kernel/signal.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * linux/arch/arm/kernel/signal.h - * - * Copyright (C) 2005 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. - */ -#define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500) - -extern const unsigned long sigreturn_codes[7]; diff --git a/libdde_linux26/contrib/arch/arm/kernel/traps.c b/libdde_linux26/contrib/arch/arm/kernel/traps.c deleted file mode 100644 index 79abc4dd..00000000 --- a/libdde_linux26/contrib/arch/arm/kernel/traps.c +++ /dev/null @@ -1,734 +0,0 @@ -/* - * linux/arch/arm/kernel/traps.c - * - * Copyright (C) 1995-2002 Russell King - * Fragments that appear the same as linux/arch/i386/kernel/traps.c (C) Linus Torvalds - * - * 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. - * - * 'traps.c' handles hardware exceptions after we have saved some state in - * 'linux/arch/arm/lib/traps.S'. Mostly a debugging aid, but will probably - * kill the offending process. - */ -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/spinlock.h> -#include <linux/personality.h> -#include <linux/kallsyms.h> -#include <linux/delay.h> -#include <linux/hardirq.h> -#include <linux/init.h> -#include <linux/uaccess.h> - -#include <asm/atomic.h> -#include <asm/cacheflush.h> -#include <asm/system.h> -#include <asm/unistd.h> -#include <asm/traps.h> - -#include "ptrace.h" -#include "signal.h" - -static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; - -#ifdef CONFIG_DEBUG_USER -unsigned int user_debug; - -static int __init user_debug_setup(char *str) -{ - get_option(&str, &user_debug); - return 1; -} -__setup("user_debug=", user_debug_setup); -#endif - -static void dump_mem(const char *str, unsigned long bottom, unsigned long top); - -void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) -{ -#ifdef CONFIG_KALLSYMS - printk("[<%08lx>] ", where); - print_symbol("(%s) ", where); - printk("from [<%08lx>] ", from); - print_symbol("(%s)\n", from); -#else - printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); -#endif - - if (in_exception_text(where)) - dump_mem("Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); -} - -/* - * Stack pointers should always be within the kernels view of - * physical memory. If it is not there, then we can't dump - * out any information relating to the stack. - */ -static int verify_stack(unsigned long sp) -{ - if (sp < PAGE_OFFSET || - (sp > (unsigned long)high_memory && high_memory != NULL)) - return -EFAULT; - - return 0; -} - -/* - * Dump out the contents of some memory nicely... - */ -static void dump_mem(const char *str, unsigned long bottom, unsigned long top) -{ - unsigned long p = bottom & ~31; - mm_segment_t fs; - int i; - - /* - * We need to switch to kernel mode so that we can use __get_user - * to safely read from kernel space. Note that we now dump the - * code first, just in case the backtrace kills us. - */ - fs = get_fs(); - set_fs(KERNEL_DS); - - printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top); - - for (p = bottom & ~31; p < top;) { - printk("%04lx: ", p & 0xffff); - - for (i = 0; i < 8; i++, p += 4) { - unsigned int val; - - if (p < bottom || p >= top) - printk(" "); - else { - __get_user(val, (unsigned long *)p); - printk("%08x ", val); - } - } - printk ("\n"); - } - - set_fs(fs); -} - -static void dump_instr(struct pt_regs *regs) -{ - unsigned long addr = instruction_pointer(regs); - const int thumb = thumb_mode(regs); - const int width = thumb ? 4 : 8; - mm_segment_t fs; - int i; - - /* - * We need to switch to kernel mode so that we can use __get_user - * to safely read from kernel space. Note that we now dump the - * code first, just in case the backtrace kills us. - */ - fs = get_fs(); - set_fs(KERNEL_DS); - - printk("Code: "); - for (i = -4; i < 1; i++) { - unsigned int val, bad; - - if (thumb) - bad = __get_user(val, &((u16 *)addr)[i]); - else - bad = __get_user(val, &((u32 *)addr)[i]); - - if (!bad) - printk(i == 0 ? "(%0*x) " : "%0*x ", width, val); - else { - printk("bad PC value."); - break; - } - } - printk("\n"); - - set_fs(fs); -} - -static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) -{ - unsigned int fp; - int ok = 1; - - printk("Backtrace: "); - fp = regs->ARM_fp; - if (!fp) { - printk("no frame pointer"); - ok = 0; - } else if (verify_stack(fp)) { - printk("invalid frame pointer 0x%08x", fp); - ok = 0; - } else if (fp < (unsigned long)end_of_stack(tsk)) - printk("frame pointer underflow"); - printk("\n"); - - if (ok) - c_backtrace(fp, processor_mode(regs)); -} - -void dump_stack(void) -{ - __backtrace(); -} - -EXPORT_SYMBOL(dump_stack); - -void show_stack(struct task_struct *tsk, unsigned long *sp) -{ - unsigned long fp; - - if (!tsk) - tsk = current; - - if (tsk != current) - fp = thread_saved_fp(tsk); - else - asm("mov %0, fp" : "=r" (fp) : : "cc"); - - c_backtrace(fp, 0x10); - barrier(); -} - -#ifdef CONFIG_PREEMPT -#define S_PREEMPT " PREEMPT" -#else -#define S_PREEMPT "" -#endif -#ifdef CONFIG_SMP -#define S_SMP " SMP" -#else -#define S_SMP "" -#endif - -static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs) -{ - struct task_struct *tsk = thread->task; - static int die_counter; - - printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", - str, err, ++die_counter); - print_modules(); - __show_regs(regs); - printk("Process %s (pid: %d, stack limit = 0x%p)\n", - tsk->comm, task_pid_nr(tsk), thread + 1); - - if (!user_mode(regs) || in_interrupt()) { - dump_mem("Stack: ", regs->ARM_sp, - THREAD_SIZE + (unsigned long)task_stack_page(tsk)); - dump_backtrace(regs, tsk); - dump_instr(regs); - } -} - -DEFINE_SPINLOCK(die_lock); - -/* - * This function is protected against re-entrancy. - */ -NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) -{ - struct thread_info *thread = current_thread_info(); - - oops_enter(); - - console_verbose(); - spin_lock_irq(&die_lock); - bust_spinlocks(1); - __die(str, err, thread, regs); - bust_spinlocks(0); - add_taint(TAINT_DIE); - spin_unlock_irq(&die_lock); - - if (in_interrupt()) - panic("Fatal exception in interrupt"); - - if (panic_on_oops) - panic("Fatal exception"); - - oops_exit(); - do_exit(SIGSEGV); -} - -void arm_notify_die(const char *str, struct pt_regs *regs, - struct siginfo *info, unsigned long err, unsigned long trap) -{ - if (user_mode(regs)) { - current->thread.error_code = err; - current->thread.trap_no = trap; - - force_sig_info(info->si_signo, info, current); - } else { - die(str, regs, err); - } -} - -static LIST_HEAD(undef_hook); -static DEFINE_SPINLOCK(undef_lock); - -void register_undef_hook(struct undef_hook *hook) -{ - unsigned long flags; - - spin_lock_irqsave(&undef_lock, flags); - list_add(&hook->node, &undef_hook); - spin_unlock_irqrestore(&undef_lock, flags); -} - -void unregister_undef_hook(struct undef_hook *hook) -{ - unsigned long flags; - - spin_lock_irqsave(&undef_lock, flags); - list_del(&hook->node); - spin_unlock_irqrestore(&undef_lock, flags); -} - -static int call_undef_hook(struct pt_regs *regs, unsigned int instr) -{ - struct undef_hook *hook; - unsigned long flags; - int (*fn)(struct pt_regs *regs, unsigned int instr) = NULL; - - spin_lock_irqsave(&undef_lock, flags); - list_for_each_entry(hook, &undef_hook, node) - if ((instr & hook->instr_mask) == hook->instr_val && - (regs->ARM_cpsr & hook->cpsr_mask) == hook->cpsr_val) - fn = hook->fn; - spin_unlock_irqrestore(&undef_lock, flags); - - return fn ? fn(regs, instr) : 1; -} - -asmlinkage void __exception do_undefinstr(struct pt_regs *regs) -{ - unsigned int correction = thumb_mode(regs) ? 2 : 4; - unsigned int instr; - siginfo_t info; - void __user *pc; - - /* - * According to the ARM ARM, PC is 2 or 4 bytes ahead, - * depending whether we're in Thumb mode or not. - * Correct this offset. - */ - regs->ARM_pc -= correction; - - pc = (void __user *)instruction_pointer(regs); - - if (processor_mode(regs) == SVC_MODE) { - instr = *(u32 *) pc; - } else if (thumb_mode(regs)) { - get_user(instr, (u16 __user *)pc); - } else { - get_user(instr, (u32 __user *)pc); - } - - if (call_undef_hook(regs, instr) == 0) - return; - -#ifdef CONFIG_DEBUG_USER - if (user_debug & UDBG_UNDEFINED) { - printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n", - current->comm, task_pid_nr(current), pc); - dump_instr(regs); - } -#endif - - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_ILLOPC; - info.si_addr = pc; - - arm_notify_die("Oops - undefined instruction", regs, &info, 0, 6); -} - -asmlinkage void do_unexp_fiq (struct pt_regs *regs) -{ - printk("Hmm. Unexpected FIQ received, but trying to continue\n"); - printk("You may have a hardware problem...\n"); -} - -/* - * bad_mode handles the impossible case in the vectors. If you see one of - * these, then it's extremely serious, and could mean you have buggy hardware. - * It never returns, and never tries to sync. We hope that we can at least - * dump out some state information... - */ -asmlinkage void bad_mode(struct pt_regs *regs, int reason) -{ - console_verbose(); - - printk(KERN_CRIT "Bad mode in %s handler detected\n", handler[reason]); - - die("Oops - bad mode", regs, 0); - local_irq_disable(); - panic("bad mode"); -} - -static int bad_syscall(int n, struct pt_regs *regs) -{ - struct thread_info *thread = current_thread_info(); - siginfo_t info; - - if (current->personality != PER_LINUX && - current->personality != PER_LINUX_32BIT && - thread->exec_domain->handler) { - thread->exec_domain->handler(n, regs); - return regs->ARM_r0; - } - -#ifdef CONFIG_DEBUG_USER - if (user_debug & UDBG_SYSCALL) { - printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n", - task_pid_nr(current), current->comm, n); - dump_instr(regs); - } -#endif - - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_ILLTRP; - info.si_addr = (void __user *)instruction_pointer(regs) - - (thumb_mode(regs) ? 2 : 4); - - arm_notify_die("Oops - bad syscall", regs, &info, n, 0); - - return regs->ARM_r0; -} - -static inline void -do_cache_op(unsigned long start, unsigned long end, int flags) -{ - struct vm_area_struct *vma; - - if (end < start || flags) - return; - - vma = find_vma(current->active_mm, start); - if (vma && vma->vm_start < end) { - if (start < vma->vm_start) - start = vma->vm_start; - if (end > vma->vm_end) - end = vma->vm_end; - - flush_cache_user_range(vma, start, end); - } -} - -/* - * Handle all unrecognised system calls. - * 0x9f0000 - 0x9fffff are some more esoteric system calls - */ -#define NR(x) ((__ARM_NR_##x) - __ARM_NR_BASE) -asmlinkage int arm_syscall(int no, struct pt_regs *regs) -{ - struct thread_info *thread = current_thread_info(); - siginfo_t info; - - if ((no >> 16) != (__ARM_NR_BASE>> 16)) - return bad_syscall(no, regs); - - switch (no & 0xffff) { - case 0: /* branch through 0 */ - info.si_signo = SIGSEGV; - info.si_errno = 0; - info.si_code = SEGV_MAPERR; - info.si_addr = NULL; - - arm_notify_die("branch through zero", regs, &info, 0, 0); - return 0; - - case NR(breakpoint): /* SWI BREAK_POINT */ - regs->ARM_pc -= thumb_mode(regs) ? 2 : 4; - ptrace_break(current, regs); - return regs->ARM_r0; - - /* - * Flush a region from virtual address 'r0' to virtual address 'r1' - * _exclusive_. There is no alignment requirement on either address; - * user space does not need to know the hardware cache layout. - * - * r2 contains flags. It should ALWAYS be passed as ZERO until it - * is defined to be something else. For now we ignore it, but may - * the fires of hell burn in your belly if you break this rule. ;) - * - * (at a later date, we may want to allow this call to not flush - * various aspects of the cache. Passing '0' will guarantee that - * everything necessary gets flushed to maintain consistency in - * the specified region). - */ - case NR(cacheflush): - do_cache_op(regs->ARM_r0, regs->ARM_r1, regs->ARM_r2); - return 0; - - case NR(usr26): - if (!(elf_hwcap & HWCAP_26BIT)) - break; - regs->ARM_cpsr &= ~MODE32_BIT; - return regs->ARM_r0; - - case NR(usr32): - if (!(elf_hwcap & HWCAP_26BIT)) - break; - regs->ARM_cpsr |= MODE32_BIT; - return regs->ARM_r0; - - case NR(set_tls): - thread->tp_value = regs->ARM_r0; -#if defined(CONFIG_HAS_TLS_REG) - asm ("mcr p15, 0, %0, c13, c0, 3" : : "r" (regs->ARM_r0) ); -#elif !defined(CONFIG_TLS_REG_EMUL) - /* - * User space must never try to access this directly. - * Expect your app to break eventually if you do so. - * The user helper at 0xffff0fe0 must be used instead. - * (see entry-armv.S for details) - */ - *((unsigned int *)0xffff0ff0) = regs->ARM_r0; -#endif - return 0; - -#ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG - /* - * Atomically store r1 in *r2 if *r2 is equal to r0 for user space. - * Return zero in r0 if *MEM was changed or non-zero if no exchange - * happened. Also set the user C flag accordingly. - * If access permissions have to be fixed up then non-zero is - * returned and the operation has to be re-attempted. - * - * *NOTE*: This is a ghost syscall private to the kernel. Only the - * __kuser_cmpxchg code in entry-armv.S should be aware of its - * existence. Don't ever use this from user code. - */ - case 0xfff0: - for (;;) { - extern void do_DataAbort(unsigned long addr, unsigned int fsr, - struct pt_regs *regs); - unsigned long val; - unsigned long addr = regs->ARM_r2; - struct mm_struct *mm = current->mm; - pgd_t *pgd; pmd_t *pmd; pte_t *pte; - spinlock_t *ptl; - - regs->ARM_cpsr &= ~PSR_C_BIT; - down_read(&mm->mmap_sem); - pgd = pgd_offset(mm, addr); - if (!pgd_present(*pgd)) - goto bad_access; - pmd = pmd_offset(pgd, addr); - if (!pmd_present(*pmd)) - goto bad_access; - pte = pte_offset_map_lock(mm, pmd, addr, &ptl); - if (!pte_present(*pte) || !pte_dirty(*pte)) { - pte_unmap_unlock(pte, ptl); - goto bad_access; - } - val = *(unsigned long *)addr; - val -= regs->ARM_r0; - if (val == 0) { - *(unsigned long *)addr = regs->ARM_r1; - regs->ARM_cpsr |= PSR_C_BIT; - } - pte_unmap_unlock(pte, ptl); - up_read(&mm->mmap_sem); - return val; - - bad_access: - up_read(&mm->mmap_sem); - /* simulate a write access fault */ - do_DataAbort(addr, 15 + (1 << 11), regs); - } -#endif - - default: - /* Calls 9f00xx..9f07ff are defined to return -ENOSYS - if not implemented, rather than raising SIGILL. This - way the calling program can gracefully determine whether - a feature is supported. */ - if (no <= 0x7ff) - return -ENOSYS; - break; - } -#ifdef CONFIG_DEBUG_USER - /* - * experience shows that these seem to indicate that - * something catastrophic has happened - */ - if (user_debug & UDBG_SYSCALL) { - printk("[%d] %s: arm syscall %d\n", - task_pid_nr(current), current->comm, no); - dump_instr(regs); - if (user_mode(regs)) { - __show_regs(regs); - c_backtrace(regs->ARM_fp, processor_mode(regs)); - } - } -#endif - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_ILLTRP; - info.si_addr = (void __user *)instruction_pointer(regs) - - (thumb_mode(regs) ? 2 : 4); - - arm_notify_die("Oops - bad syscall(2)", regs, &info, no, 0); - return 0; -} - -#ifdef CONFIG_TLS_REG_EMUL - -/* - * We might be running on an ARMv6+ processor which should have the TLS - * register but for some reason we can't use it, or maybe an SMP system - * using a pre-ARMv6 processor (there are apparently a few prototypes like - * that in existence) and therefore access to that register must be - * emulated. - */ - -static int get_tp_trap(struct pt_regs *regs, unsigned int instr) -{ - int reg = (instr >> 12) & 15; - if (reg == 15) - return 1; - regs->uregs[reg] = current_thread_info()->tp_value; - regs->ARM_pc += 4; - return 0; -} - -static struct undef_hook arm_mrc_hook = { - .instr_mask = 0x0fff0fff, - .instr_val = 0x0e1d0f70, - .cpsr_mask = PSR_T_BIT, - .cpsr_val = 0, - .fn = get_tp_trap, -}; - -static int __init arm_mrc_hook_init(void) -{ - register_undef_hook(&arm_mrc_hook); - return 0; -} - -late_initcall(arm_mrc_hook_init); - -#endif - -void __bad_xchg(volatile void *ptr, int size) -{ - printk("xchg: bad data size: pc 0x%p, ptr 0x%p, size %d\n", - __builtin_return_address(0), ptr, size); - BUG(); -} -EXPORT_SYMBOL(__bad_xchg); - -/* - * A data abort trap was taken, but we did not handle the instruction. - * Try to abort the user program, or panic if it was the kernel. - */ -asmlinkage void -baddataabort(int code, unsigned long instr, struct pt_regs *regs) -{ - unsigned long addr = instruction_pointer(regs); - siginfo_t info; - -#ifdef CONFIG_DEBUG_USER - if (user_debug & UDBG_BADABORT) { - printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n", - task_pid_nr(current), current->comm, code, instr); - dump_instr(regs); - show_pte(current->mm, addr); - } -#endif - - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_ILLOPC; - info.si_addr = (void __user *)addr; - - arm_notify_die("unknown data abort code", regs, &info, instr, 0); -} - -void __attribute__((noreturn)) __bug(const char *file, int line) -{ - printk(KERN_CRIT"kernel BUG at %s:%d!\n", file, line); - *(int *)0 = 0; - - /* Avoid "noreturn function does return" */ - for (;;); -} -EXPORT_SYMBOL(__bug); - -void __readwrite_bug(const char *fn) -{ - printk("%s called, but not implemented\n", fn); - BUG(); -} -EXPORT_SYMBOL(__readwrite_bug); - -void __pte_error(const char *file, int line, unsigned long val) -{ - printk("%s:%d: bad pte %08lx.\n", file, line, val); -} - -void __pmd_error(const char *file, int line, unsigned long val) -{ - printk("%s:%d: bad pmd %08lx.\n", file, line, val); -} - -void __pgd_error(const char *file, int line, unsigned long val) -{ - printk("%s:%d: bad pgd %08lx.\n", file, line, val); -} - -asmlinkage void __div0(void) -{ - printk("Division by zero in kernel.\n"); - dump_stack(); -} -EXPORT_SYMBOL(__div0); - -void abort(void) -{ - BUG(); - - /* if that doesn't kill us, halt */ - panic("Oops failed to kill thread"); -} -EXPORT_SYMBOL(abort); - -void __init trap_init(void) -{ - return; -} - -void __init early_trap_init(void) -{ - unsigned long vectors = CONFIG_VECTORS_BASE; - extern char __stubs_start[], __stubs_end[]; - extern char __vectors_start[], __vectors_end[]; - extern char __kuser_helper_start[], __kuser_helper_end[]; - int kuser_sz = __kuser_helper_end - __kuser_helper_start; - - /* - * Copy the vectors, stubs and kuser helpers (in entry-armv.S) - * into the vector page, mapped at 0xffff0000, and ensure these - * are visible to the instruction stream. - */ - memcpy((void *)vectors, __vectors_start, __vectors_end - __vectors_start); - memcpy((void *)vectors + 0x200, __stubs_start, __stubs_end - __stubs_start); - memcpy((void *)vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz); - - /* - * Copy signal return handlers into the vector page, and - * set sigreturn to be a pointer to these. - */ - memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes, - sizeof(sigreturn_codes)); - - flush_icache_range(vectors, vectors + PAGE_SIZE); - modify_domain(DOMAIN_USER, DOMAIN_CLIENT); -} diff --git a/libdde_linux26/contrib/arch/arm/lib/bitops.h b/libdde_linux26/contrib/arch/arm/lib/bitops.h deleted file mode 100644 index 2e787d40..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/bitops.h +++ /dev/null @@ -1,65 +0,0 @@ - -#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_CPU_32v6K) - .macro bitop, instr - mov r2, #1 - and r3, r0, #7 @ Get bit offset - add r1, r1, r0, lsr #3 @ Get byte offset - mov r3, r2, lsl r3 -1: ldrexb r2, [r1] - \instr r2, r2, r3 - strexb r0, r2, [r1] - cmp r0, #0 - bne 1b - mov pc, lr - .endm - - .macro testop, instr, store - and r3, r0, #7 @ Get bit offset - mov r2, #1 - add r1, r1, r0, lsr #3 @ Get byte offset - mov r3, r2, lsl r3 @ create mask -1: ldrexb r2, [r1] - ands r0, r2, r3 @ save old value of bit - \instr r2, r2, r3 @ toggle bit - strexb ip, r2, [r1] - cmp ip, #0 - bne 1b - cmp r0, #0 - movne r0, #1 -2: mov pc, lr - .endm -#else - .macro bitop, instr - and r2, r0, #7 - mov r3, #1 - mov r3, r3, lsl r2 - save_and_disable_irqs ip - ldrb r2, [r1, r0, lsr #3] - \instr r2, r2, r3 - strb r2, [r1, r0, lsr #3] - restore_irqs ip - mov pc, lr - .endm - -/** - * testop - implement a test_and_xxx_bit operation. - * @instr: operational instruction - * @store: store instruction - * - * Note: we can trivially conditionalise the store instruction - * to avoid dirtying the data cache. - */ - .macro testop, instr, store - add r1, r1, r0, lsr #3 - and r3, r0, #7 - mov r0, #1 - save_and_disable_irqs ip - ldrb r2, [r1] - tst r2, r0, lsl r3 - \instr r2, r2, r0, lsl r3 - \store r2, [r1] - restore_irqs ip - moveq r0, #0 - mov pc, lr - .endm -#endif diff --git a/libdde_linux26/contrib/arch/arm/lib/changebit.S b/libdde_linux26/contrib/arch/arm/lib/changebit.S deleted file mode 100644 index 80f3115c..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/changebit.S +++ /dev/null @@ -1,23 +0,0 @@ -/* - * linux/arch/arm/lib/changebit.S - * - * Copyright (C) 1995-1996 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -/* Purpose : Function to change a bit - * Prototype: int change_bit(int bit, void *addr) - */ -ENTRY(_change_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_change_bit_le) - bitop eor -ENDPROC(_change_bit_be) -ENDPROC(_change_bit_le) diff --git a/libdde_linux26/contrib/arch/arm/lib/clearbit.S b/libdde_linux26/contrib/arch/arm/lib/clearbit.S deleted file mode 100644 index 1a63e43a..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/clearbit.S +++ /dev/null @@ -1,24 +0,0 @@ -/* - * linux/arch/arm/lib/clearbit.S - * - * Copyright (C) 1995-1996 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -/* - * Purpose : Function to clear a bit - * Prototype: int clear_bit(int bit, void *addr) - */ -ENTRY(_clear_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_clear_bit_le) - bitop bic -ENDPROC(_clear_bit_be) -ENDPROC(_clear_bit_le) diff --git a/libdde_linux26/contrib/arch/arm/lib/div64.S b/libdde_linux26/contrib/arch/arm/lib/div64.S deleted file mode 100644 index 1425e789..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/div64.S +++ /dev/null @@ -1,201 +0,0 @@ -/* - * linux/arch/arm/lib/div64.S - * - * Optimized computation of 64-bit dividend / 32-bit divisor - * - * Author: Nicolas Pitre - * Created: Oct 5, 2003 - * Copyright: Monta Vista Software, Inc. - * - * 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. - */ - -#include <linux/linkage.h> - -#ifdef __ARMEB__ -#define xh r0 -#define xl r1 -#define yh r2 -#define yl r3 -#else -#define xl r0 -#define xh r1 -#define yl r2 -#define yh r3 -#endif - -/* - * __do_div64: perform a division with 64-bit dividend and 32-bit divisor. - * - * Note: Calling convention is totally non standard for optimal code. - * This is meant to be used by do_div() from include/asm/div64.h only. - * - * Input parameters: - * xh-xl = dividend (clobbered) - * r4 = divisor (preserved) - * - * Output values: - * yh-yl = result - * xh = remainder - * - * Clobbered regs: xl, ip - */ - -ENTRY(__do_div64) - - @ Test for easy paths first. - subs ip, r4, #1 - bls 9f @ divisor is 0 or 1 - tst ip, r4 - beq 8f @ divisor is power of 2 - - @ See if we need to handle upper 32-bit result. - cmp xh, r4 - mov yh, #0 - blo 3f - - @ Align divisor with upper part of dividend. - @ The aligned divisor is stored in yl preserving the original. - @ The bit position is stored in ip. - -#if __LINUX_ARM_ARCH__ >= 5 - - clz yl, r4 - clz ip, xh - sub yl, yl, ip - mov ip, #1 - mov ip, ip, lsl yl - mov yl, r4, lsl yl - -#else - - mov yl, r4 - mov ip, #1 -1: cmp yl, #0x80000000 - cmpcc yl, xh - movcc yl, yl, lsl #1 - movcc ip, ip, lsl #1 - bcc 1b - -#endif - - @ The division loop for needed upper bit positions. - @ Break out early if dividend reaches 0. -2: cmp xh, yl - orrcs yh, yh, ip - subcss xh, xh, yl - movnes ip, ip, lsr #1 - mov yl, yl, lsr #1 - bne 2b - - @ See if we need to handle lower 32-bit result. -3: cmp xh, #0 - mov yl, #0 - cmpeq xl, r4 - movlo xh, xl - movlo pc, lr - - @ The division loop for lower bit positions. - @ Here we shift remainer bits leftwards rather than moving the - @ divisor for comparisons, considering the carry-out bit as well. - mov ip, #0x80000000 -4: movs xl, xl, lsl #1 - adcs xh, xh, xh - beq 6f - cmpcc xh, r4 -5: orrcs yl, yl, ip - subcs xh, xh, r4 - movs ip, ip, lsr #1 - bne 4b - mov pc, lr - - @ The top part of remainder became zero. If carry is set - @ (the 33th bit) this is a false positive so resume the loop. - @ Otherwise, if lower part is also null then we are done. -6: bcs 5b - cmp xl, #0 - moveq pc, lr - - @ We still have remainer bits in the low part. Bring them up. - -#if __LINUX_ARM_ARCH__ >= 5 - - clz xh, xl @ we know xh is zero here so... - add xh, xh, #1 - mov xl, xl, lsl xh - mov ip, ip, lsr xh - -#else - -7: movs xl, xl, lsl #1 - mov ip, ip, lsr #1 - bcc 7b - -#endif - - @ Current remainder is now 1. It is worthless to compare with - @ divisor at this point since divisor can not be smaller than 3 here. - @ If possible, branch for another shift in the division loop. - @ If no bit position left then we are done. - movs ip, ip, lsr #1 - mov xh, #1 - bne 4b - mov pc, lr - -8: @ Division by a power of 2: determine what that divisor order is - @ then simply shift values around - -#if __LINUX_ARM_ARCH__ >= 5 - - clz ip, r4 - rsb ip, ip, #31 - -#else - - mov yl, r4 - cmp r4, #(1 << 16) - mov ip, #0 - movhs yl, yl, lsr #16 - movhs ip, #16 - - cmp yl, #(1 << 8) - movhs yl, yl, lsr #8 - addhs ip, ip, #8 - - cmp yl, #(1 << 4) - movhs yl, yl, lsr #4 - addhs ip, ip, #4 - - cmp yl, #(1 << 2) - addhi ip, ip, #3 - addls ip, ip, yl, lsr #1 - -#endif - - mov yh, xh, lsr ip - mov yl, xl, lsr ip - rsb ip, ip, #32 - orr yl, yl, xh, lsl ip - mov xh, xl, lsl ip - mov xh, xh, lsr ip - mov pc, lr - - @ eq -> division by 1: obvious enough... -9: moveq yl, xl - moveq yh, xh - moveq xh, #0 - moveq pc, lr - - @ Division by 0: - str lr, [sp, #-8]! - bl __div0 - - @ as wrong as it could be... - mov yl, #0 - mov yh, #0 - mov xh, #0 - ldr pc, [sp], #8 - -ENDPROC(__do_div64) diff --git a/libdde_linux26/contrib/arch/arm/lib/findbit.S b/libdde_linux26/contrib/arch/arm/lib/findbit.S deleted file mode 100644 index 8c4defc4..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/findbit.S +++ /dev/null @@ -1,176 +0,0 @@ -/* - * linux/arch/arm/lib/findbit.S - * - * Copyright (C) 1995-2000 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. - * - * 16th March 2001 - John Ripley <jripley@sonicblue.com> - * Fixed so that "size" is an exclusive not an inclusive quantity. - * All users of these functions expect exclusive sizes, and may - * also call with zero size. - * Reworked by rmk. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -/* - * Purpose : Find a 'zero' bit - * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit); - */ -ENTRY(_find_first_zero_bit_le) - teq r1, #0 - beq 3f - mov r2, #0 -1: ldrb r3, [r0, r2, lsr #3] - eors r3, r3, #0xff @ invert bits - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_zero_bit_le) - -/* - * Purpose : Find next 'zero' bit - * Prototype: int find_next_zero_bit(void *addr, unsigned int maxbit, int offset) - */ -ENTRY(_find_next_zero_bit_le) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - ldrb r3, [r0, r2, lsr #3] - eor r3, r3, #0xff @ now looking for a 1 bit - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_zero_bit_le) - -/* - * Purpose : Find a 'one' bit - * Prototype: int find_first_bit(const unsigned long *addr, unsigned int maxbit); - */ -ENTRY(_find_first_bit_le) - teq r1, #0 - beq 3f - mov r2, #0 -1: ldrb r3, [r0, r2, lsr #3] - movs r3, r3 - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_bit_le) - -/* - * Purpose : Find next 'one' bit - * Prototype: int find_next_zero_bit(void *addr, unsigned int maxbit, int offset) - */ -ENTRY(_find_next_bit_le) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - ldrb r3, [r0, r2, lsr #3] - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_bit_le) - -#ifdef __ARMEB__ - -ENTRY(_find_first_zero_bit_be) - teq r1, #0 - beq 3f - mov r2, #0 -1: eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] - eors r3, r3, #0xff @ invert bits - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_zero_bit_be) - -ENTRY(_find_next_zero_bit_be) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] - eor r3, r3, #0xff @ now looking for a 1 bit - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_zero_bit_be) - -ENTRY(_find_first_bit_be) - teq r1, #0 - beq 3f - mov r2, #0 -1: eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] - movs r3, r3 - bne .L_found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - mov pc, lr -ENDPROC(_find_first_bit_be) - -ENTRY(_find_next_bit_be) - teq r1, #0 - beq 3b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] - movs r3, r3, lsr ip @ shift off unused bits - bne .L_found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit -ENDPROC(_find_next_bit_be) - -#endif - -/* - * One or more bits in the LSB of r3 are assumed to be set. - */ -.L_found: -#if __LINUX_ARM_ARCH__ >= 5 - rsb r1, r3, #0 - and r3, r3, r1 - clz r3, r3 - rsb r3, r3, #31 - add r0, r2, r3 -#else - tst r3, #0x0f - addeq r2, r2, #4 - movne r3, r3, lsl #4 - tst r3, #0x30 - addeq r2, r2, #2 - movne r3, r3, lsl #2 - tst r3, #0x40 - addeq r2, r2, #1 - mov r0, r2 -#endif - mov pc, lr - diff --git a/libdde_linux26/contrib/arch/arm/lib/memzero.S b/libdde_linux26/contrib/arch/arm/lib/memzero.S deleted file mode 100644 index 3fbdef5f..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/memzero.S +++ /dev/null @@ -1,125 +0,0 @@ -/* - * linux/arch/arm/lib/memzero.S - * - * Copyright (C) 1995-2000 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 - .word 0 -/* - * Align the pointer in r0. r3 contains the number of bytes that we are - * mis-aligned by, and r1 is the number of bytes. If r1 < 4, then we - * don't bother; we use byte stores instead. - */ -1: subs r1, r1, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r2, [r0], #1 @ 1 - strleb r2, [r0], #1 @ 1 - strb r2, [r0], #1 @ 1 - add r1, r1, r3 @ 1 (r1 = r1 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memzero again. - */ - -ENTRY(__memzero) - mov r2, #0 @ 1 - ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 -/* - * r3 = 0, and we know that the pointer in r0 is aligned to a word boundary. - */ - cmp r1, #16 @ 1 we can skip this chunk if we - blt 4f @ 1 have < 16 bytes - -#if ! CALGN(1)+0 - -/* - * We need an extra register for this loop - save the return address and - * use the LR - */ - str lr, [sp, #-4]! @ 1 - mov ip, r2 @ 1 - mov lr, r2 @ 1 - -3: subs r1, r1, #64 @ 1 write 32 bytes out per loop - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - bgt 3b @ 1 - ldmeqfd sp!, {pc} @ 1/2 quick exit -/* - * No need to correct the count; we're only testing bits from now on - */ - tst r1, #32 @ 1 - stmneia r0!, {r2, r3, ip, lr} @ 4 - stmneia r0!, {r2, r3, ip, lr} @ 4 - tst r1, #16 @ 1 16 bytes or more? - stmneia r0!, {r2, r3, ip, lr} @ 4 - ldr lr, [sp], #4 @ 1 - -#else - -/* - * This version aligns the destination pointer in order to write - * whole cache lines at once. - */ - - stmfd sp!, {r4-r7, lr} - mov r4, r2 - mov r5, r2 - mov r6, r2 - mov r7, r2 - mov ip, r2 - mov lr, r2 - - cmp r1, #96 - andgts ip, r0, #31 - ble 3f - - rsb ip, ip, #32 - sub r1, r1, ip - movs ip, ip, lsl #(32 - 4) - stmcsia r0!, {r4, r5, r6, r7} - stmmiia r0!, {r4, r5} - movs ip, ip, lsl #2 - strcs r2, [r0], #4 - -3: subs r1, r1, #64 - stmgeia r0!, {r2-r7, ip, lr} - stmgeia r0!, {r2-r7, ip, lr} - bgt 3b - ldmeqfd sp!, {r4-r7, pc} - - tst r1, #32 - stmneia r0!, {r2-r7, ip, lr} - tst r1, #16 - stmneia r0!, {r4-r7} - ldmfd sp!, {r4-r7, lr} - -#endif - -4: tst r1, #8 @ 1 8 bytes or more? - stmneia r0!, {r2, r3} @ 2 - tst r1, #4 @ 1 4 bytes or more? - strne r2, [r0], #4 @ 1 -/* - * When we get here, we've got less than 4 bytes to zero. We - * may have an unaligned pointer as well. - */ -5: tst r1, #2 @ 1 2 bytes or more? - strneb r2, [r0], #1 @ 1 - strneb r2, [r0], #1 @ 1 - tst r1, #1 @ 1 a byte left over - strneb r2, [r0], #1 @ 1 - mov pc, lr @ 1 -ENDPROC(__memzero) diff --git a/libdde_linux26/contrib/arch/arm/lib/setbit.S b/libdde_linux26/contrib/arch/arm/lib/setbit.S deleted file mode 100644 index 1dd7176c..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/setbit.S +++ /dev/null @@ -1,24 +0,0 @@ -/* - * linux/arch/arm/lib/setbit.S - * - * Copyright (C) 1995-1996 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -/* - * Purpose : Function to set a bit - * Prototype: int set_bit(int bit, void *addr) - */ -ENTRY(_set_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_set_bit_le) - bitop orr -ENDPROC(_set_bit_be) -ENDPROC(_set_bit_le) diff --git a/libdde_linux26/contrib/arch/arm/lib/testchangebit.S b/libdde_linux26/contrib/arch/arm/lib/testchangebit.S deleted file mode 100644 index 5c98dc56..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/testchangebit.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * linux/arch/arm/lib/testchangebit.S - * - * Copyright (C) 1995-1996 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -ENTRY(_test_and_change_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_change_bit_le) - testop eor, strb -ENDPROC(_test_and_change_bit_be) -ENDPROC(_test_and_change_bit_le) diff --git a/libdde_linux26/contrib/arch/arm/lib/testclearbit.S b/libdde_linux26/contrib/arch/arm/lib/testclearbit.S deleted file mode 100644 index 543d7094..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/testclearbit.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * linux/arch/arm/lib/testclearbit.S - * - * Copyright (C) 1995-1996 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -ENTRY(_test_and_clear_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_clear_bit_le) - testop bicne, strneb -ENDPROC(_test_and_clear_bit_be) -ENDPROC(_test_and_clear_bit_le) diff --git a/libdde_linux26/contrib/arch/arm/lib/testsetbit.S b/libdde_linux26/contrib/arch/arm/lib/testsetbit.S deleted file mode 100644 index 0b3f3904..00000000 --- a/libdde_linux26/contrib/arch/arm/lib/testsetbit.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * linux/arch/arm/lib/testsetbit.S - * - * Copyright (C) 1995-1996 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. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "bitops.h" - .text - -ENTRY(_test_and_set_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_set_bit_le) - testop orreq, streqb -ENDPROC(_test_and_set_bit_be) -ENDPROC(_test_and_set_bit_le) diff --git a/libdde_linux26/contrib/arch/arm/mach-realview/clock.c b/libdde_linux26/contrib/arch/arm/mach-realview/clock.c deleted file mode 100644 index a7043115..00000000 --- a/libdde_linux26/contrib/arch/arm/mach-realview/clock.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * linux/arch/arm/mach-realview/clock.c - * - * Copyright (C) 2004 ARM Limited. - * Written by Deep Blue Solutions Limited. - * - * 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. - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/string.h> -#include <linux/clk.h> -#include <linux/mutex.h> - -#include <asm/hardware/icst307.h> - -#include "clock.h" - -int clk_enable(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - return clk->rate; -} -EXPORT_SYMBOL(clk_get_rate); - -long clk_round_rate(struct clk *clk, unsigned long rate) -{ - struct icst307_vco vco; - vco = icst307_khz_to_vco(clk->params, rate / 1000); - return icst307_khz(clk->params, vco) * 1000; -} -EXPORT_SYMBOL(clk_round_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - int ret = -EIO; - - if (clk->setvco) { - struct icst307_vco vco; - - vco = icst307_khz_to_vco(clk->params, rate / 1000); - clk->rate = icst307_khz(clk->params, vco) * 1000; - clk->setvco(clk, vco); - ret = 0; - } - return ret; -} -EXPORT_SYMBOL(clk_set_rate); diff --git a/libdde_linux26/contrib/arch/arm/mach-realview/clock.h b/libdde_linux26/contrib/arch/arm/mach-realview/clock.h deleted file mode 100644 index ebbb0f06..00000000 --- a/libdde_linux26/contrib/arch/arm/mach-realview/clock.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * linux/arch/arm/mach-realview/clock.h - * - * Copyright (C) 2004 ARM Limited. - * Written by Deep Blue Solutions Limited. - * - * 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. - */ -struct module; -struct icst307_params; - -struct clk { - unsigned long rate; - const struct icst307_params *params; - void *data; - void (*setvco)(struct clk *, struct icst307_vco vco); -}; diff --git a/libdde_linux26/contrib/arch/arm/mach-realview/core.h b/libdde_linux26/contrib/arch/arm/mach-realview/core.h deleted file mode 100644 index 44269b16..00000000 --- a/libdde_linux26/contrib/arch/arm/mach-realview/core.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * linux/arch/arm/mach-realview/core.h - * - * Copyright (C) 2004 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_ARCH_REALVIEW_H -#define __ASM_ARCH_REALVIEW_H - -#include <linux/amba/bus.h> -#include <linux/io.h> - -#include <asm/leds.h> - -#define AMBA_DEVICE(name,busid,base,plat) \ -static struct amba_device name##_device = { \ - .dev = { \ - .coherent_dma_mask = ~0, \ - .init_name = busid, \ - .platform_data = plat, \ - }, \ - .res = { \ - .start = REALVIEW_##base##_BASE, \ - .end = (REALVIEW_##base##_BASE) + SZ_4K - 1, \ - .flags = IORESOURCE_MEM, \ - }, \ - .dma_mask = ~0, \ - .irq = base##_IRQ, \ - /* .dma = base##_DMA,*/ \ -} - -extern struct platform_device realview_flash_device; -extern struct platform_device realview_i2c_device; -extern struct mmc_platform_data realview_mmc0_plat_data; -extern struct mmc_platform_data realview_mmc1_plat_data; -extern struct clcd_board clcd_plat_data; -extern void __iomem *gic_cpu_base_addr; -#ifdef CONFIG_LOCAL_TIMERS -extern void __iomem *twd_base; -#endif -extern void __iomem *timer0_va_base; -extern void __iomem *timer1_va_base; -extern void __iomem *timer2_va_base; -extern void __iomem *timer3_va_base; - -extern void realview_leds_event(led_event_t ledevt); -extern void realview_timer_init(unsigned int timer_irq); -extern int realview_flash_register(struct resource *res, u32 num); -extern int realview_eth_register(const char *name, struct resource *res); - -#endif diff --git a/libdde_linux26/contrib/arch/arm/mach-realview/realview_eb.c b/libdde_linux26/contrib/arch/arm/mach-realview/realview_eb.c deleted file mode 100644 index bed39ed9..00000000 --- a/libdde_linux26/contrib/arch/arm/mach-realview/realview_eb.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - * linux/arch/arm/mach-realview/realview_eb.c - * - * Copyright (C) 2004 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/sysdev.h> -#include <linux/amba/bus.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/leds.h> -#include <asm/mach-types.h> -#include <asm/hardware/gic.h> -#include <asm/hardware/icst307.h> -#include <asm/hardware/cache-l2x0.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/mmc.h> -#include <asm/mach/time.h> - -#include <mach/board-eb.h> -#include <mach/irqs.h> - -#include "core.h" -#include "clock.h" - -static struct map_desc realview_eb_io_desc[] __initdata = { - { - .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), - .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_GIC_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_GIC_DIST_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), - .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB_TIMER0_1_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_TIMER0_1_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB_TIMER2_3_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_TIMER2_3_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, -#ifdef CONFIG_DEBUG_LL - { - .virtual = IO_ADDRESS(REALVIEW_EB_UART0_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_UART0_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - } -#endif -}; - -static struct map_desc realview_eb11mp_io_desc[] __initdata = { - { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_GIC_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_GIC_DIST_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_L220_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_L220_BASE), - .length = SZ_8K, - .type = MT_DEVICE, - } -}; - -static void __init realview_eb_map_io(void) -{ - iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc)); - if (core_tile_eb11mp() || core_tile_a9mp()) - iotable_init(realview_eb11mp_io_desc, ARRAY_SIZE(realview_eb11mp_io_desc)); -} - -/* - * RealView EB AMBA devices - */ - -/* - * These devices are connected via the core APB bridge - */ -#define GPIO2_IRQ { IRQ_EB_GPIO2, NO_IRQ } -#define GPIO2_DMA { 0, 0 } -#define GPIO3_IRQ { IRQ_EB_GPIO3, NO_IRQ } -#define GPIO3_DMA { 0, 0 } - -#define AACI_IRQ { IRQ_EB_AACI, NO_IRQ } -#define AACI_DMA { 0x80, 0x81 } -#define MMCI0_IRQ { IRQ_EB_MMCI0A, IRQ_EB_MMCI0B } -#define MMCI0_DMA { 0x84, 0 } -#define KMI0_IRQ { IRQ_EB_KMI0, NO_IRQ } -#define KMI0_DMA { 0, 0 } -#define KMI1_IRQ { IRQ_EB_KMI1, NO_IRQ } -#define KMI1_DMA { 0, 0 } - -/* - * These devices are connected directly to the multi-layer AHB switch - */ -#define EB_SMC_IRQ { NO_IRQ, NO_IRQ } -#define EB_SMC_DMA { 0, 0 } -#define MPMC_IRQ { NO_IRQ, NO_IRQ } -#define MPMC_DMA { 0, 0 } -#define EB_CLCD_IRQ { IRQ_EB_CLCD, NO_IRQ } -#define EB_CLCD_DMA { 0, 0 } -#define DMAC_IRQ { IRQ_EB_DMA, NO_IRQ } -#define DMAC_DMA { 0, 0 } - -/* - * These devices are connected via the core APB bridge - */ -#define SCTL_IRQ { NO_IRQ, NO_IRQ } -#define SCTL_DMA { 0, 0 } -#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG, NO_IRQ } -#define EB_WATCHDOG_DMA { 0, 0 } -#define EB_GPIO0_IRQ { IRQ_EB_GPIO0, NO_IRQ } -#define EB_GPIO0_DMA { 0, 0 } -#define GPIO1_IRQ { IRQ_EB_GPIO1, NO_IRQ } -#define GPIO1_DMA { 0, 0 } -#define EB_RTC_IRQ { IRQ_EB_RTC, NO_IRQ } -#define EB_RTC_DMA { 0, 0 } - -/* - * These devices are connected via the DMA APB bridge - */ -#define SCI_IRQ { IRQ_EB_SCI, NO_IRQ } -#define SCI_DMA { 7, 6 } -#define EB_UART0_IRQ { IRQ_EB_UART0, NO_IRQ } -#define EB_UART0_DMA { 15, 14 } -#define EB_UART1_IRQ { IRQ_EB_UART1, NO_IRQ } -#define EB_UART1_DMA { 13, 12 } -#define EB_UART2_IRQ { IRQ_EB_UART2, NO_IRQ } -#define EB_UART2_DMA { 11, 10 } -#define EB_UART3_IRQ { IRQ_EB_UART3, NO_IRQ } -#define EB_UART3_DMA { 0x86, 0x87 } -#define EB_SSP_IRQ { IRQ_EB_SSP, NO_IRQ } -#define EB_SSP_DMA { 9, 8 } - -/* FPGA Primecells */ -AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); -AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); -AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); -AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); -AMBA_DEVICE(uart3, "fpga:09", EB_UART3, NULL); - -/* DevChip Primecells */ -AMBA_DEVICE(smc, "dev:00", EB_SMC, NULL); -AMBA_DEVICE(clcd, "dev:20", EB_CLCD, &clcd_plat_data); -AMBA_DEVICE(dmac, "dev:30", DMAC, NULL); -AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); -AMBA_DEVICE(wdog, "dev:e1", EB_WATCHDOG, NULL); -AMBA_DEVICE(gpio0, "dev:e4", EB_GPIO0, NULL); -AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); -AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); -AMBA_DEVICE(rtc, "dev:e8", EB_RTC, NULL); -AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); -AMBA_DEVICE(uart0, "dev:f1", EB_UART0, NULL); -AMBA_DEVICE(uart1, "dev:f2", EB_UART1, NULL); -AMBA_DEVICE(uart2, "dev:f3", EB_UART2, NULL); -AMBA_DEVICE(ssp0, "dev:f4", EB_SSP, NULL); - -static struct amba_device *amba_devs[] __initdata = { - &dmac_device, - &uart0_device, - &uart1_device, - &uart2_device, - &uart3_device, - &smc_device, - &clcd_device, - &sctl_device, - &wdog_device, - &gpio0_device, - &gpio1_device, - &gpio2_device, - &rtc_device, - &sci0_device, - &ssp0_device, - &aaci_device, - &mmc0_device, - &kmi0_device, - &kmi1_device, -}; - -/* - * RealView EB platform devices - */ -static struct resource realview_eb_flash_resource = { - .start = REALVIEW_EB_FLASH_BASE, - .end = REALVIEW_EB_FLASH_BASE + REALVIEW_EB_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct resource realview_eb_eth_resources[] = { - [0] = { - .start = REALVIEW_EB_ETH_BASE, - .end = REALVIEW_EB_ETH_BASE + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_EB_ETH, - .end = IRQ_EB_ETH, - .flags = IORESOURCE_IRQ, - }, -}; - -/* - * Detect and register the correct Ethernet device. RealView/EB rev D - * platforms use the newer SMSC LAN9118 Ethernet chip - */ -static int eth_device_register(void) -{ - void __iomem *eth_addr = ioremap(REALVIEW_EB_ETH_BASE, SZ_4K); - const char *name = NULL; - u32 idrev; - - if (!eth_addr) - return -ENOMEM; - - idrev = readl(eth_addr + 0x50); - if ((idrev & 0xFFFF0000) != 0x01180000) - /* SMSC LAN9118 not present, use LAN91C111 instead */ - name = "smc91x"; - - iounmap(eth_addr); - return realview_eth_register(name, realview_eb_eth_resources); -} - -static void __init gic_init_irq(void) -{ - if (core_tile_eb11mp() || core_tile_a9mp()) { - unsigned int pldctrl; - - /* new irq mode */ - writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); - pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_EB11MP_SYS_PLD_CTRL1); - pldctrl |= 0x00800000; - writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_EB11MP_SYS_PLD_CTRL1); - writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); - - /* core tile GIC, primary */ - gic_cpu_base_addr = __io_address(REALVIEW_EB11MP_GIC_CPU_BASE); - gic_dist_init(0, __io_address(REALVIEW_EB11MP_GIC_DIST_BASE), 29); - gic_cpu_init(0, gic_cpu_base_addr); - -#ifndef CONFIG_REALVIEW_EB_ARM11MP_REVB - /* board GIC, secondary */ - gic_dist_init(1, __io_address(REALVIEW_EB_GIC_DIST_BASE), 64); - gic_cpu_init(1, __io_address(REALVIEW_EB_GIC_CPU_BASE)); - gic_cascade_irq(1, IRQ_EB11MP_EB_IRQ1); -#endif - } else { - /* board GIC, primary */ - gic_cpu_base_addr = __io_address(REALVIEW_EB_GIC_CPU_BASE); - gic_dist_init(0, __io_address(REALVIEW_EB_GIC_DIST_BASE), 29); - gic_cpu_init(0, gic_cpu_base_addr); - } -} - -/* - * Fix up the IRQ numbers for the RealView EB/ARM11MPCore tile - */ -static void realview_eb11mp_fixup(void) -{ - /* AMBA devices */ - dmac_device.irq[0] = IRQ_EB11MP_DMA; - uart0_device.irq[0] = IRQ_EB11MP_UART0; - uart1_device.irq[0] = IRQ_EB11MP_UART1; - uart2_device.irq[0] = IRQ_EB11MP_UART2; - uart3_device.irq[0] = IRQ_EB11MP_UART3; - clcd_device.irq[0] = IRQ_EB11MP_CLCD; - wdog_device.irq[0] = IRQ_EB11MP_WDOG; - gpio0_device.irq[0] = IRQ_EB11MP_GPIO0; - gpio1_device.irq[0] = IRQ_EB11MP_GPIO1; - gpio2_device.irq[0] = IRQ_EB11MP_GPIO2; - rtc_device.irq[0] = IRQ_EB11MP_RTC; - sci0_device.irq[0] = IRQ_EB11MP_SCI; - ssp0_device.irq[0] = IRQ_EB11MP_SSP; - aaci_device.irq[0] = IRQ_EB11MP_AACI; - mmc0_device.irq[0] = IRQ_EB11MP_MMCI0A; - mmc0_device.irq[1] = IRQ_EB11MP_MMCI0B; - kmi0_device.irq[0] = IRQ_EB11MP_KMI0; - kmi1_device.irq[0] = IRQ_EB11MP_KMI1; - - /* platform devices */ - realview_eb_eth_resources[1].start = IRQ_EB11MP_ETH; - realview_eb_eth_resources[1].end = IRQ_EB11MP_ETH; -} - -static void __init realview_eb_timer_init(void) -{ - unsigned int timer_irq; - - timer0_va_base = __io_address(REALVIEW_EB_TIMER0_1_BASE); - timer1_va_base = __io_address(REALVIEW_EB_TIMER0_1_BASE) + 0x20; - timer2_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE); - timer3_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE) + 0x20; - - if (core_tile_eb11mp() || core_tile_a9mp()) { -#ifdef CONFIG_LOCAL_TIMERS - twd_base = __io_address(REALVIEW_EB11MP_TWD_BASE); -#endif - timer_irq = IRQ_EB11MP_TIMER0_1; - } else - timer_irq = IRQ_EB_TIMER0_1; - - realview_timer_init(timer_irq); -} - -static struct sys_timer realview_eb_timer = { - .init = realview_eb_timer_init, -}; - -static void __init realview_eb_init(void) -{ - int i; - - if (core_tile_eb11mp() || core_tile_a9mp()) { - realview_eb11mp_fixup(); - -#ifdef CONFIG_CACHE_L2X0 - /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled - * Bits: .... ...0 0111 1001 0000 .... .... .... */ - l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff); -#endif - } - - realview_flash_register(&realview_eb_flash_resource, 1); - platform_device_register(&realview_i2c_device); - eth_device_register(); - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif -} - -MACHINE_START(REALVIEW_EB, "ARM-RealView EB") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_EB_UART0_BASE, - .io_pg_offst = (IO_ADDRESS(REALVIEW_EB_UART0_BASE) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x00000100, - .map_io = realview_eb_map_io, - .init_irq = gic_init_irq, - .timer = &realview_eb_timer, - .init_machine = realview_eb_init, -MACHINE_END |