Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 454 deletions

diff --git a/ANDROID_3.4.5/arch/hexagon/kernel/traps.c b/ANDROID_3.4.5/arch/hexagon/kernel/traps.c
deleted file mode 100644
index f08857d0..00000000
--- a/ANDROID_3.4.5/arch/hexagon/kernel/traps.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
- * Kernel traps/events for Hexagon processor
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/module.h>
-#include <linux/kallsyms.h>
-#include <linux/kdebug.h>
-#include <linux/syscalls.h>
-#include <linux/signal.h>
-#include <linux/tracehook.h>
-#include <asm/traps.h>
-#include <asm/vm_fault.h>
-#include <asm/syscall.h>
-#include <asm/registers.h>
-#include <asm/unistd.h>
-#include <asm/sections.h>
-#ifdef CONFIG_KGDB
-# include <linux/kgdb.h>
-#endif
-
-#define TRAP_SYSCALL	1
-#define TRAP_DEBUG	0xdb
-
-void __init trap_init(void)
-{
-}
-
-#ifdef CONFIG_GENERIC_BUG
-/* Maybe should resemble arch/sh/kernel/traps.c ?? */
-int is_valid_bugaddr(unsigned long addr)
-{
-	return 1;
-}
-#endif /* CONFIG_GENERIC_BUG */
-
-static const char *ex_name(int ex)
-{
-	switch (ex) {
-	case HVM_GE_C_XPROT:
-	case HVM_GE_C_XUSER:
-		return "Execute protection fault";
-	case HVM_GE_C_RPROT:
-	case HVM_GE_C_RUSER:
-		return "Read protection fault";
-	case HVM_GE_C_WPROT:
-	case HVM_GE_C_WUSER:
-		return "Write protection fault";
-	case HVM_GE_C_XMAL:
-		return "Misaligned instruction";
-	case HVM_GE_C_RMAL:
-		return "Misaligned data load";
-	case HVM_GE_C_WMAL:
-		return "Misaligned data store";
-	case HVM_GE_C_INVI:
-	case HVM_GE_C_PRIVI:
-		return "Illegal instruction";
-	case HVM_GE_C_BUS:
-		return "Precise bus error";
-	case HVM_GE_C_CACHE:
-		return "Cache error";
-
-	case 0xdb:
-		return "Debugger trap";
-
-	default:
-		return "Unrecognized exception";
-	}
-}
-
-static void do_show_stack(struct task_struct *task, unsigned long *fp,
-			  unsigned long ip)
-{
-	int kstack_depth_to_print = 24;
-	unsigned long offset, size;
-	const char *name = NULL;
-	unsigned long *newfp;
-	unsigned long low, high;
-	char tmpstr[128];
-	char *modname;
-	int i;
-
-	if (task == NULL)
-		task = current;
-
-	printk(KERN_INFO "CPU#%d, %s/%d, Call Trace:\n",
-	       raw_smp_processor_id(), task->comm,
-	       task_pid_nr(task));
-
-	if (fp == NULL) {
-		if (task == current) {
-			asm("%0 = r30" : "=r" (fp));
-		} else {
-			fp = (unsigned long *)
-			     ((struct hexagon_switch_stack *)
-			     task->thread.switch_sp)->fp;
-		}
-	}
-
-	if ((((unsigned long) fp) & 0x3) || ((unsigned long) fp < 0x1000)) {
-		printk(KERN_INFO "-- Corrupt frame pointer %p\n", fp);
-		return;
-	}
-
-	/* Saved link reg is one word above FP */
-	if (!ip)
-		ip = *(fp+1);
-
-	/* Expect kernel stack to be in-bounds */
-	low = (unsigned long)task_stack_page(task);
-	high = low + THREAD_SIZE - 8;
-	low += sizeof(struct thread_info);
-
-	for (i = 0; i < kstack_depth_to_print; i++) {
-
-		name = kallsyms_lookup(ip, &size, &offset, &modname, tmpstr);
-
-		printk(KERN_INFO "[%p] 0x%lx: %s + 0x%lx", fp, ip, name,
-			offset);
-		if (((unsigned long) fp < low) || (high < (unsigned long) fp))
-			printk(KERN_CONT " (FP out of bounds!)");
-		if (modname)
-			printk(KERN_CONT " [%s] ", modname);
-		printk(KERN_CONT "\n");
-
-		newfp = (unsigned long *) *fp;
-
-		if (((unsigned long) newfp) & 0x3) {
-			printk(KERN_INFO "-- Corrupt frame pointer %p\n",
-				newfp);
-			break;
-		}
-
-		/* Attempt to continue past exception. */
-		if (0 == newfp) {
-			struct pt_regs *regs = (struct pt_regs *) (((void *)fp)
-						+ 8);
-
-			if (regs->syscall_nr != -1) {
-				printk(KERN_INFO "-- trap0 -- syscall_nr: %ld",
-					regs->syscall_nr);
-				printk(KERN_CONT "  psp: %lx  elr: %lx\n",
-					 pt_psp(regs), pt_elr(regs));
-				break;
-			} else {
-				/* really want to see more ... */
-				kstack_depth_to_print += 6;
-				printk(KERN_INFO "-- %s (0x%lx)  badva: %lx\n",
-					ex_name(pt_cause(regs)), pt_cause(regs),
-					pt_badva(regs));
-			}
-
-			newfp = (unsigned long *) regs->r30;
-			ip = pt_elr(regs);
-		} else {
-			ip = *(newfp + 1);
-		}
-
-		/* If link reg is null, we are done. */
-		if (ip == 0x0)
-			break;
-
-		/* If newfp isn't larger, we're tracing garbage. */
-		if (newfp > fp)
-			fp = newfp;
-		else
-			break;
-	}
-}
-
-void show_stack(struct task_struct *task, unsigned long *fp)
-{
-	/* Saved link reg is one word above FP */
-	do_show_stack(task, fp, 0);
-}
-
-void dump_stack(void)
-{
-	unsigned long *fp;
-	asm("%0 = r30" : "=r" (fp));
-	show_stack(current, fp);
-}
-EXPORT_SYMBOL(dump_stack);
-
-int die(const char *str, struct pt_regs *regs, long err)
-{
-	static struct {
-		spinlock_t lock;
-		int counter;
-	} die = {
-		.lock = __SPIN_LOCK_UNLOCKED(die.lock),
-		.counter = 0
-	};
-
-	console_verbose();
-	oops_enter();
-
-	spin_lock_irq(&die.lock);
-	bust_spinlocks(1);
-	printk(KERN_EMERG "Oops: %s[#%d]:\n", str, ++die.counter);
-
-	if (notify_die(DIE_OOPS, str, regs, err, pt_cause(regs), SIGSEGV) ==
-	    NOTIFY_STOP)
-		return 1;
-
-	print_modules();
-	show_regs(regs);
-	do_show_stack(current, &regs->r30, pt_elr(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(err);
-	return 0;
-}
-
-int die_if_kernel(char *str, struct pt_regs *regs, long err)
-{
-	if (!user_mode(regs))
-		return die(str, regs, err);
-	else
-		return 0;
-}
-
-/*
- * It's not clear that misaligned fetches are ever recoverable.
- */
-static void misaligned_instruction(struct pt_regs *regs)
-{
-	die_if_kernel("Misaligned Instruction", regs, 0);
-	force_sig(SIGBUS, current);
-}
-
-/*
- * Misaligned loads and stores, on the other hand, can be
- * emulated, and probably should be, some day.  But for now
- * they will be considered fatal.
- */
-static void misaligned_data_load(struct pt_regs *regs)
-{
-	die_if_kernel("Misaligned Data Load", regs, 0);
-	force_sig(SIGBUS, current);
-}
-
-static void misaligned_data_store(struct pt_regs *regs)
-{
-	die_if_kernel("Misaligned Data Store", regs, 0);
-	force_sig(SIGBUS, current);
-}
-
-static void illegal_instruction(struct pt_regs *regs)
-{
-	die_if_kernel("Illegal Instruction", regs, 0);
-	force_sig(SIGILL, current);
-}
-
-/*
- * Precise bus errors may be recoverable with a a retry,
- * but for now, treat them as irrecoverable.
- */
-static void precise_bus_error(struct pt_regs *regs)
-{
-	die_if_kernel("Precise Bus Error", regs, 0);
-	force_sig(SIGBUS, current);
-}
-
-/*
- * If anything is to be done here other than panic,
- * it will probably be complex and migrate to another
- * source module.  For now, just die.
- */
-static void cache_error(struct pt_regs *regs)
-{
-	die("Cache Error", regs, 0);
-}
-
-/*
- * General exception handler
- */
-void do_genex(struct pt_regs *regs)
-{
-	/*
-	 * Decode Cause and Dispatch
-	 */
-	switch (pt_cause(regs)) {
-	case HVM_GE_C_XPROT:
-	case HVM_GE_C_XUSER:
-		execute_protection_fault(regs);
-		break;
-	case HVM_GE_C_RPROT:
-	case HVM_GE_C_RUSER:
-		read_protection_fault(regs);
-		break;
-	case HVM_GE_C_WPROT:
-	case HVM_GE_C_WUSER:
-		write_protection_fault(regs);
-		break;
-	case HVM_GE_C_XMAL:
-		misaligned_instruction(regs);
-		break;
-	case HVM_GE_C_RMAL:
-		misaligned_data_load(regs);
-		break;
-	case HVM_GE_C_WMAL:
-		misaligned_data_store(regs);
-		break;
-	case HVM_GE_C_INVI:
-	case HVM_GE_C_PRIVI:
-		illegal_instruction(regs);
-		break;
-	case HVM_GE_C_BUS:
-		precise_bus_error(regs);
-		break;
-	case HVM_GE_C_CACHE:
-		cache_error(regs);
-		break;
-	default:
-		/* Halt and catch fire */
-		panic("Unrecognized exception 0x%lx\n", pt_cause(regs));
-		break;
-	}
-}
-
-/* Indirect system call dispatch */
-long sys_syscall(void)
-{
-	printk(KERN_ERR "sys_syscall invoked!\n");
-	return -ENOSYS;
-}
-
-void do_trap0(struct pt_regs *regs)
-{
-	unsigned long syscallret = 0;
-	syscall_fn syscall;
-
-	switch (pt_cause(regs)) {
-	case TRAP_SYSCALL:
-		/* System call is trap0 #1 */
-
-		/* allow strace to catch syscall args  */
-		if (unlikely(test_thread_flag(TIF_SYSCALL_TRACE) &&
-			tracehook_report_syscall_entry(regs)))
-			return;  /*  return -ENOSYS somewhere?  */
-
-		/* Interrupts should be re-enabled for syscall processing */
-		__vmsetie(VM_INT_ENABLE);
-
-		/*
-		 * System call number is in r6, arguments in r0..r5.
-		 * Fortunately, no Linux syscall has more than 6 arguments,
-		 * and Hexagon ABI passes first 6 arguments in registers.
-		 * 64-bit arguments are passed in odd/even register pairs.
-		 * Fortunately, we have no system calls that take more
-		 * than three arguments with more than one 64-bit value.
-		 * Should that change, we'd need to redesign to copy
-		 * between user and kernel stacks.
-		 */
-		regs->syscall_nr = regs->r06;
-
-		/*
-		 * GPR R0 carries the first parameter, and is also used
-		 * to report the return value.  We need a backup of
-		 * the user's value in case we need to do a late restart
-		 * of the system call.
-		 */
-		regs->restart_r0 = regs->r00;
-
-		if ((unsigned long) regs->syscall_nr >= __NR_syscalls) {
-			regs->r00 = -1;
-		} else {
-			syscall = (syscall_fn)
-				  (sys_call_table[regs->syscall_nr]);
-			syscallret = syscall(regs->r00, regs->r01,
-				   regs->r02, regs->r03,
-				   regs->r04, regs->r05);
-		}
-
-		/*
-		 * If it was a sigreturn system call, don't overwrite
-		 * r0 value in stack frame with return value.
-		 *
-		 * __NR_sigreturn doesn't seem to exist in new unistd.h
-		 */
-
-		if (regs->syscall_nr != __NR_rt_sigreturn)
-			regs->r00 = syscallret;
-
-		/* allow strace to get the syscall return state  */
-		if (unlikely(test_thread_flag(TIF_SYSCALL_TRACE)))
-			tracehook_report_syscall_exit(regs, 0);
-
-		break;
-	case TRAP_DEBUG:
-		/* Trap0 0xdb is debug breakpoint */
-		if (user_mode(regs)) {
-			struct siginfo info;
-
-			info.si_signo = SIGTRAP;
-			info.si_errno = 0;
-			/*
-			 * Some architecures add some per-thread state
-			 * to distinguish between breakpoint traps and
-			 * trace traps.  We may want to do that, and
-			 * set the si_code value appropriately, or we
-			 * may want to use a different trap0 flavor.
-			 */
-			info.si_code = TRAP_BRKPT;
-			info.si_addr = (void __user *) pt_elr(regs);
-			send_sig_info(SIGTRAP, &info, current);
-		} else {
-#ifdef CONFIG_KGDB
-			kgdb_handle_exception(pt_cause(regs), SIGTRAP,
-					      TRAP_BRKPT, regs);
-#endif
-		}
-		break;
-	}
-	/* Ignore other trap0 codes for now, especially 0 (Angel calls) */
-}
-
-/*
- * Machine check exception handler
- */
-void do_machcheck(struct pt_regs *regs)
-{
-	/* Halt and catch fire */
-	__vmstop();
-}