我试图根据instructions构建uClinux。我有一个我不明白的构建问题。
<?php
include '../controllers/session.php';
//get new add space
$querysps="INSERT INTO `advertisements`( `advertname`, `active`) VALUES ('',0);
";
require('../../database.php');
$statement = $db->prepare($querysps);
$statement->execute();
//$dummyadd = $statement->fetchAll();
$statement->closeCursor();
$newspace=$db->lastInsertId();
//echo $newspace;
?>
<?php include 'includes/navigation.php';?>
<!-- Content Wrapper. Contains page content -->
<div class="content-wrapper">
<!-- Content Header (Page header) -->
<section class="content-header">
<h1>
Dashboard
<small>Advertisements</small>
</h1>
<ol class="breadcrumb">
<li><a href="index.php"><i class="fa fa-dashboard"></i> Home</a></li>
<li class="active">View Advertisements</li>
</ol>
<ul class="">
<li><!-- search form -->
<form action="?" method="get">
<div class="input-group custom-search-form">
<?php
// echo '<label>Live Search:</label>';
$search = isset($_POST['get']) ? $_POST['get'] : '';
echo '<input type="text" class="form-control" placeholder="Search Adds" onkeyup="showResultfs(this.value)" name="search" value="' .$search .'" /><span class="input-group-btn">
<button class="btn btn-default" href="?reset" type="button">
<i class="fa fa-search"></i>
</button>';
echo ' <a class="btn tdn" href="?reset"><b>Clear</b> </a>';
echo '<br />';
//echo '<input type="submit" name="submit" value="Submit" />';
// echo '<label>No JavaScript</label>';
echo '<br /><br />';
?>
</div>
</form>
</li>
</ul>
<?php
if(empty($notifmsg)==true){
}else{
echo " <div class=\"alert alert-success alert-dismissable\">
<button type=\"button\" class=\"close\" data-dismiss=\"alert\" aria-hidden=\"true\">X</button>
".$notifmsg."
</div>";
}
?>
</section>
<section class="content">
<div class="row">
<div class="col-md-12">
<!-- Custom Tabs -->
<div class="box box-info">
<div class="box-header with-border">
<h3 class="box-title">Create Add</h3>
</div>
<!-- /.box-header -->
<!-- form start -->
<form action="../controllers/addmaker.php" method="post" enctype="multipart/form-data" class="form-horizontal">
<div class="box-body">
<input type="hidden" name="addid" value="<?php echo $newspace;?>">
<div class="form-group">
<label for="inputEmail3" class="col-sm-2 control-label">Add Name</label>
<div class="col-sm-10">
<input type="text" class="form-control" name="addname" id="inputEmail3" required placeholder="Add name">
</div>
</div>
<div class="form-group">
<label for="inputPassword3" class="col-sm-2 control-label">Air To</label>
<div class="col-sm-10">
<input type="date" class="form-control" name="airto" required id="inputPassword3" placeholder="">
</div>
</div>
<div class="form-group">
<label for="inputPassword3" class="col-sm-2 control-label">Add Picture</label>
<div class="col-sm-10">
<input class="btn btn-primary btn-sm" type="file" id="file" name="file" required accept="image/jpeg" >
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
</div>
</div>
</div>
<!-- /.box-body -->
<div class="box-footer">
<button type="clear" class="btn btn-default">Clear</button>
<!-- <button type="submit" class="btn btn-info pull-right">Create Add</button> -->
<input type="submit" name="submit" class="btn btn-info pull-right" value="submit" />
</div>
<!-- /.box-footer -->
</form>
</div>
</div>
<!-- /.col -->
</div>
</section>
<!-- /.content -->
</div>
<!-- /.content-wrapper -->
<?php include 'includes/footer.php'?>
<script type="text/javascript">
history.pushState(null, null, document.URL);
window.addEventListener('popstate', function () {
history.pushState(null, null, document.URL);
});
</script>
<script type="text/javascript">
function showResultfs(str)
{
if (str.length==0)
{
document.getElementById("livesearchfs").innerHTML="";
// document.getElementById("livesearch").style.border="0px";
return;
}
if (window.XMLHttpRequest)
{
// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}else{ // code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("livesearchfs").innerHTML=xmlhttp.responseText;
// document.getElementById("livesearch").style.border="1px solid #A5ACB2";
}
}
// xmlhttp.open("GET","db-results.php?q="+str,true);
xmlhttp.open("POST","../controllers/fs-results.php?q="+str,true);
xmlhttp.send();
}
</script>
<!-- jQuery 2.2.3 -->
<script src="../plugins/jQuery/jquery-2.2.3.min.js"></script>
<!-- Bootstrap 3.3.6 -->
<script src="../bootstrap/js/bootstrap.min.js"></script>
<!-- FastClick -->
<script src="../plugins/fastclick/fastclick.js"></script>
<!-- AdminLTE App -->
<script src="../dist/js/app.min.js"></script>
<!-- Sparkline -->
<script src="../plugins/sparkline/jquery.sparkline.min.js"></script>
<!-- jvectormap -->
<script src="../plugins/jvectormap/jquery-jvectormap-1.2.2.min.js"></script>
<script src="../plugins/jvectormap/jquery-jvectormap-world-mill-en.js"></script>
<!-- SlimScroll 1.3.0 -->
<script src="../plugins/slimScroll/jquery.slimscroll.min.js"></script>
<!-- ChartJS 1.0.1 -->
<script src="../plugins/chartjs/Chart.min.js"></script>
<!-- AdminLTE dashboard demo (This is only for demo purposes) -->
<script src="../dist/js/pages/dashboard2.js"></script>
<!-- AdminLTE for demo purposes -->
<script src="../dist/js/demo.js"></script>
</body>
</html>
我该怎么办？文件<?php
include 'session.php';
$addid=$_POST['addid'];
$addname=$_POST['addname'];
$airto=$_POST['airto'];
$newDate = date('Y-m-d H:i:s', strtotime($airto));
$query="UPDATE `advertisements` SET `advertname`='$addname',`aituntill`='$newDate',`active`=1 WHERE `advertid`=$addid";
echo $query."<br>";
saveadddata($query);
handlepic($addid);
function saveadddata($query){
require '../../database.php';
$statement = $db->prepare($query);
$statement->execute();
$statement->closeCursor();
}
function handlepic($addid){
echo "In pic maker"."<br>";
if (isset($_POST['submit'])==true)
{
echo "If passed"."<br>";
$userid=$addid;
$filename = $_FILES["file"]["name"];
$file_basename = substr($filename, 0, strripos($filename, '.')); // get file extention
$file_ext = substr($filename, strripos($filename, '.')); // get file name
$filesize = $_FILES["file"]["size"];
$allowed_file_types = array('.doc','.docx','.rtf','.pdf','.jpg','.jpeg');
$pathholder="../../adds/img/".$userid;
echo $pathholder."<br>";
if (in_array($file_ext,$allowed_file_types) && ($filesize < 5000000))
{
//$pathholder="Ruerenamed";
if (!file_exists($pathholder)) {
mkdir($pathholder, 0777, true);
}
//make new directory
//mkdir("$pathholder");
// Rename file
$newfilename = $userid . $file_ext;
// if (file_exists("uploads/" . $newfilename))
// {
// // file already exists error
// echo "You have already uploaded this file.";
// }
// else
// {
move_uploaded_file($_FILES["file"]["tmp_name"], "$pathholder/" . $newfilename);
//echo "File ".$pathholder."/".$newfilename." uploaded successfully.";
$_SESSION['serverFeedback']="Advertisement created! ";
header("Location: ../pages/index.php");
//include 'ownerprofile.php';
//}
}
elseif (empty($file_basename))
{
$newfilename = $userid.".jpg";
//$pathholder="Ruerenamed";
// file selection error
if (!file_exists($pathholder)) {
mkdir($pathholder, 0777, true);
}
$file = '../../defaultpictures/me.jpg';
$newfile = $pathholder."/".$newfilename;
if (!copy($file, $newfile)) {
// echo "failed to copy". $file."into ". $newfile;
}else{
// echo "copied ".$file ."into ". $newfile;
}
//echo "Please select a file to upload.";
$_SESSION['serverFeedback']="Advertisement created with default! ";
header("Location: ../pages/index.php");
//include 'ownerprofile.php';
}
elseif ($filesize > 5000000)
{
// file size error
//echo "The file you are trying to upload is too large.";
$_SESSION['serverFeedback']="Advertisement picture is too large to upload! ";
header("Location: ../pages/index.php");
//include 'ownerprofile.php';
}
else
{
// file type error
//echo "Only these file typs are allowed for upload: " . implode(', ',$allowed_file_types);
unlink($_FILES["file"]["tmp_name"]);
$_SESSION['serverFeedback']="Only these file typs are allowed for upload: " . implode(', ',$allowed_file_types);
header("Location: ../pages/index.php");
//include 'ownerprofile.php';
}
}else {
echo "If failed"."<br>";
}
}
?>
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S: Assembler messages:
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:138: Error: expecting control register
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:138: Error: unknown register r5
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:546: Error: expecting control register
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:546: Error: unknown register r6
使用标志重新编译给我们：
entry.S答案 0 :(得分：1)
看起来您正在尝试使用i386处理器执行NIOS指令 可能是因为错误的GCC版本
使用follwoing命令找出安装的GCC版本，如果已安装!!
str_replace()答案 1 :(得分：0)
解决方法是用汇编文件中的实名替换命名寄存器：
/*
* linux/arch/nios2/kernel/entry.S
*
* Copyright (C) 2009, Wind River Systems Inc
* Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
*
* Based on:
*
* linux/arch/nios2/kernel/entry.S
*
* Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
* Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>,
* Kenneth Albanowski <kjahds@kjahds.com>,
* Copyright (C) 2000 Lineo Inc. (www.lineo.com)
* Copyright (C) 2004 Microtronix Datacom Ltd.
*
* Based on:
*
* linux/arch/m68knommu/kernel/entry.S
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file README.legal in the main directory of this archive
* for more details.
*
* Linux/m68k support by Hamish Macdonald
*
* 68060 fixes by Jesper Skov
* ColdFire support by Greg Ungerer (gerg@snapgear.com)
* 5307 fixes by David W. Miller
* linux 2.4 support David McCullough <davidm@snapgear.com>
*/
#include <linux/sys.h>
#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/asm-macros.h>
#include <asm/thread_info.h>
#include <asm/errno.h>
#include <asm/setup.h>
#include <asm/entry.h>
#include <asm/unistd.h>
#include <asm/processor.h>
.macro GET_THREAD_INFO reg
.if THREAD_SIZE & 0xffff0000
andhi \reg, sp, %hi(~(THREAD_SIZE-1))
.else
addi \reg, r0, %lo(~(THREAD_SIZE-1))
and \reg, \reg, sp
.endif
.endm
/* FIXME: Lots of these exceptions need to be handled */
.section .rodata
.align 4
exception_table:
.word unhandled_exception /* 0 - Reset */
.word unhandled_exception /* 1 - Processor-only Reset */
.word external_interrupt /* 2 - Interrupt */
.word handle_trap /* 3 - Trap Instruction */
.word instruction_trap /* 4 - Unimplemented instruction */
.word handle_illegal /* 5 - Illegal instruction */
.word handle_unaligned /* 6 - Misaligned data access */
.word handle_unaligned /* 7 - Misaligned destination address */
.word handle_diverror /* 8 - Division error */
.word protection_exception_ba /* 9 - Supervisor-only instr. address */
.word protection_exception_instr /* 10 - Supervisor only instruction */
.word protection_exception_ba /* 11 - Supervisor only data address */
.word unhandled_exception /* 12 - Double TLB miss (data) */
.word protection_exception_pte /* 13 - TLB permission violation (x) */
.word protection_exception_pte /* 14 - TLB permission violation (r) */
.word protection_exception_pte /* 15 - TLB permission violation (w) */
.word unhandled_exception /* 16 - MPU region violation */
trap_table:
.word handle_system_call // 0
.word instruction_trap // 1
.word instruction_trap // 2
.word instruction_trap // 3
.word instruction_trap // 4
.word instruction_trap // 5
.word instruction_trap // 6
.word instruction_trap // 7
.word instruction_trap // 8
.word instruction_trap // 9
.word instruction_trap // 10
.word instruction_trap // 11
.word instruction_trap // 12
.word instruction_trap // 13
.word instruction_trap // 14
.word instruction_trap // 15
.word instruction_trap // 16
.word instruction_trap // 17
.word instruction_trap // 18
.word instruction_trap // 19
.word instruction_trap // 20
.word instruction_trap // 21
.word instruction_trap // 22
.word instruction_trap // 23
.word instruction_trap // 24
.word instruction_trap // 25
.word instruction_trap // 26
.word instruction_trap // 27
.word instruction_trap // 28
.word instruction_trap // 29
#ifdef CONFIG_KGDB
.word handle_kgdb_breakpoint /* 30 KGDB breakpoint */
#else
.word instruction_trap // 30
#endif
.word handle_breakpoint // 31
.text
.set noat
.set nobreak
ENTRY(inthandler)
SAVE_ALL
/* Clear EH bit before we get a new excpetion in the kernel
* and after we have saved it to the exception frame. This is done
* wheter it's trap, tlb-miss or interrupt. If we don't do this
* estatus is not updated the next exception.
*/
rdctl r24,status
movi r9,-5
and r24,r24,r9
wrctl status,r24
/* Read cause and vector and branch to the associated handler (
*/
mov r4,sp
rdctl r5,ctl7
movia r9,exception_table
add r24,r9,r5
ldw r24,0(r24)
jmp r24
/***********************************************************************
* Handle traps
***********************************************************************
*/
ENTRY(handle_trap)
ldw r24,-4(ea) // instruction that caused the exception
srli r24,r24,4
andi r24,r24,0x7c
movia r9,trap_table
add r24,r24,r9
ldw r24,0(r24)
jmp r24
/***********************************************************************
* Handle system calls
***********************************************************************
*/
ENTRY(handle_system_call)
/* Enable interrupts
*/
rdctl r10,status
ori r10,r10,0x0001
wrctl status,r10
/* Reload registers destroyed by common code.
*/
ldw r4,PT_R4(sp)
ldw r5,PT_R5(sp)
/* Check that the requested system call is within limits
*/
movui r1,NR_syscalls
bgeu r2,r1,ret_invsyscall
slli r1,r2,2
movhi r11,%hiadj(sys_call_table)
add r1,r1,r11
ldw r1,%lo(sys_call_table)(r1)
beq r1,r0,ret_invsyscall
/* Get thread info pointer
*/
movi r11,%lo(0xfffff000)
and r11,sp,r11
ldw r11,TI_FLAGS(r11)
/* If someone is ptrace:ing us, take the long way.
*/
BTBNZ r11,r11,TIF_SYSCALL_TRACE,traced_system_call
#if 0
SAVE_SWITCH_STACK
mov r9,r8
mov r8,r7
mov r6,r5
mov r5,r4
mov r4,r2
call print_syscall
RESTORE_SWITCH_STACK
ldw r2,PT_R2(sp)
ldw r4,PT_R4(sp)
ldw r5,PT_R5(sp)
ldw r6,PT_R6(sp)
ldw r7,PT_R7(sp)
ldw r8,PT_R8(sp)
ldw r9,PT_R9(sp)
#endif
/* Execute the system call
*/
callr r1
/* If the syscall returns a negative result:
* Set r7 to 1 to indicate error,
* Negate r2 to get a positive error code
* If the syscall returns zero or a positive value:
* Set r7 to 0.
* The sigreturn system calls will skip the code below by
* adding to register ra. To avoid destroying registers
*
* FIXME: We probably need an orig_r7
*/
translate_rc_and_ret:
movi r1,0
bge r2,zero,3f
sub r2,zero,r2
movi r1,1
3:
stw r2,PT_R2(sp)
stw r1,PT_R7(sp)
end_translate_rc_and_ret:
#if 0
SAVE_SWITCH_STACK
mov r4,r2
mov r5,r1
call print_syscall_ret
RESTORE_SWITCH_STACK
#endif
ret_from_exception:
ldw r1,PT_ESTATUS(sp)
TSTBNZ r1,r1,ESTATUS_EU,Luser_return /* if so, skip resched, signals */
restore_all:
rdctl r10,status /* disable intrs */
andi r10,r10,0xfffe
wrctl status, r10
RESTORE_ALL
eret
/* If the syscall number was invalid return ENOSYS
*/
ret_invsyscall:
movi r2,-ENOSYS
br translate_rc_and_ret
/* This implements the same as above, except it calls
* syscall_trace before and after the syscall in order
* for utilities like strace and gdb to work.
*/
traced_system_call:
SAVE_SWITCH_STACK
call syscall_trace
RESTORE_SWITCH_STACK
/* r2 and r7-r9 might be destroyed by syscall_trace and we need to restore
* them before calling our syscall.
*/
ldw r2,PT_R2(sp)
ldw r4,PT_R4(sp)
ldw r5,PT_R5(sp)
ldw r6,PT_R6(sp)
ldw r7,PT_R7(sp)
ldw r8,PT_R8(sp)
ldw r9,PT_R9(sp)
/* Fetch the syscall function, we don't need to check the boundaries
* since this is already done.
*/
slli r1,r2,2
movhi r11,%hiadj(sys_call_table)
add r1,r1,r11
ldw r1,%lo(sys_call_table)(r1)
callr r1
/* If the syscall returns a negative result:
* Set r7 to 1 to indicate error,
* Negate r2 to get a positive error code
* If the syscall returns zero or a positive value:
* Set r7 to 0.
* The sigreturn system calls will skip the code below by
* adding to register ra. To avoid destroying registers
*
* FIXME: We probably need an orig_r7
*/
translate_rc_and_ret2:
movi r1,0
bge r2,zero,4f
sub r2,zero,r2
movi r1,1
4:
stw r2,PT_R2(sp)
stw r1,PT_R7(sp)
end_translate_rc_and_ret2:
SAVE_SWITCH_STACK
call syscall_trace
RESTORE_SWITCH_STACK
br ret_from_exception
Luser_return:
GET_THREAD_INFO r11 /* get thread_info pointer */
ldw r10,TI_FLAGS(r11) /* get thread_info->flags */
ANDI32 r11,r10,_TIF_WORK_MASK
beq r11,r0,restore_all /* Nothing to do */
BTBZ r1,r10,TIF_NEED_RESCHED,Lsignal_return
Lwork_resched:
call schedule
br ret_from_exception
Lsignal_return:
BTBZ r1,r10,TIF_SIGPENDING,restore_all
mov r5,sp /* pt_regs */
SAVE_SWITCH_STACK
mov r4,r0 /* oldset = 0 */
movi r6,1 /* syscall */
call do_signal
RESTORE_SWITCH_STACK
br restore_all
/***********************************************************************
* Handle external interrupts.
***********************************************************************
*/
/*
* This is the generic interrupt handler (for all hardware interrupt
* sources). It figures out the vector number and calls the appropriate
* interrupt service routine directly.
*/
external_interrupt:
rdctl r12,ipending
rdctl r9,ienable
and r12,r12,r9
/* skip if no interrupt is pending */
beq r12,r0,ret_from_interrupt
movi r24,-1
stw r24,PT_ORIG_R2(sp)
/*
* Process an external hardware interrupt.
*/
addi ea,ea,-4 /* re-issue the interrupted instruction */
stw ea,PT_EA(sp)
2: movi r4,%lo(-1) /* Start from bit position 0, highest priority */
/* This is the IRQ # for handler call */
1: andi r10,r12,1 /* Isolate bit we are interested in */
srli r12,r12,1 /* shift count is costly without hardware multiplier */
addi r4,r4,1
beq r10,r0,1b
mov r5,sp /* Setup pt_regs pointer for handler call */
call do_IRQ
rdctl r12,ipending /* check again if irq still pending */
rdctl r9,ienable /* Isolate possible interrupts */
and r12,r12,r9
bne r12,r0,2b
/* br ret_from_interrupt */ /* fall throught to ret_from_interrupt */
ENTRY(ret_from_interrupt)
ldw r1,PT_ESTATUS(sp) /* check if returning to kernel */
TSTBNZ r1,r1,ESTATUS_EU,Luser_return
#ifdef CONFIG_PREEMPT
GET_THREAD_INFO r1
ldw r4,TI_PREEMPT_COUNT(r1)
bne r4,r0,restore_all
need_resched:
ldw r4,TI_FLAGS(r1) // ? Need resched set
BTBZ r10,r4,TIF_NEED_RESCHED,restore_all
ldw r4,PT_ESTATUS(sp) // ? Interrupts off
andi r10,r4,STATUS_PIE
beq r10,r0,restore_all
movia r4,PREEMPT_ACTIVE
stw r4,TI_PREEMPT_COUNT(r1)
rdctl r10,status /* enable intrs again */
ori r10,r10,0x0001
wrctl status,r10
PUSH r1
call schedule
POP r1
mov r4,r0
stw r4,TI_PREEMPT_COUNT(r1)
rdctl r10,status /* disable intrs */
andi r10,r10,0xfffe
wrctl status, r10
br need_resched
#else
br restore_all
#endif
/***********************************************************************
* Syscalls implemented in assembly
***********************************************************************
*/
ENTRY(sys_nios2cmpxchg)
// r4 pointer to exchange variable
// r5 old value
// r6 new value
// r8 - old interrupt status (assert this to enabled?)
// r9 - temp
// Disable interrupts (keep old status in r8)
rdctl r8,status
andi r9,r8,0xfffe
wrctl status,r9
// Make sure we skip the r2/r7 translation code when we return.
addi ra,ra,(end_translate_rc_and_ret-translate_rc_and_ret)
ldw1: ldw r2, 0(r4)
bne r2, r5, .L6
// We had a match, store the new value
stw1: stw r6, 0(r4)
.L6:
// Reenable interrupts
wrctl status,r8
// Store return value
stw r2,PT_R2(sp)
// Indicate everything is ok
movi r2,0
stw r2,PT_R7(sp)
ret
fault:
movi r2,EFAULT
stw r2,PT_R2(sp)
movi r2,1
stw r2,PT_R7(sp)
wrctl status,r8
ret
// setup the exception table
.section __ex_table,"a"
.word ldw1, fault
.word stw1, fault
.previous
/***********************************************************************
* A few syscall wrappers
***********************************************************************
*/
ENTRY(sys_fork)
mov r4,sp
SAVE_SWITCH_STACK
call nios2_fork
RESTORE_SWITCH_STACK
ret
ENTRY(sys_vfork)
mov r4,sp
SAVE_SWITCH_STACK
call nios2_vfork
RESTORE_SWITCH_STACK
ret
ENTRY(sys_execve)
mov r4,sp
SAVE_SWITCH_STACK
call nios2_execve
RESTORE_SWITCH_STACK
ret
ENTRY(sys_clone)
mov r4,sp
SAVE_SWITCH_STACK
call nios2_clone
RESTORE_SWITCH_STACK
ret
ENTRY(sys_sigsuspend)
mov r4,sp
SAVE_SWITCH_STACK
call do_sigsuspend
RESTORE_SWITCH_STACK
ret
ENTRY(sys_rt_sigsuspend)
mov r4,sp
SAVE_SWITCH_STACK
call do_rt_sigsuspend
RESTORE_SWITCH_STACK
ret
ENTRY(sys_sigreturn)
mov r4,sp
SAVE_SWITCH_STACK
call do_sigreturn
RESTORE_SWITCH_STACK
addi ra,ra,(end_translate_rc_and_ret-translate_rc_and_ret)
ret
ENTRY(sys_sigaltstack)
ldw r4,PT_R4(sp)
ldw r5,PT_R5(sp)
ldw r6,PT_SP(sp)
SAVE_SWITCH_STACK
call do_sigaltstack
RESTORE_SWITCH_STACK
ret
ENTRY(sys_rt_sigreturn)
SAVE_SWITCH_STACK
mov r4,sp
call do_rt_sigreturn
RESTORE_SWITCH_STACK
addi ra,ra,(end_translate_rc_and_ret-translate_rc_and_ret)
ret
/***********************************************************************
* A few other wrappers and stubs
***********************************************************************
*/
protection_exception_pte:
rdctl r6,pteaddr
slli r6,r6,10
call do_page_fault
br ret_from_exception
protection_exception_ba:
rdctl r6,ctl12
call do_page_fault
br ret_from_exception
protection_exception_instr:
call handle_supervisor_instr
br ret_from_exception
handle_breakpoint:
call breakpoint_c
br ret_from_exception
#ifdef CONFIG_ALIGNMENT_TRAP
handle_unaligned:
SAVE_SWITCH_STACK
call handle_unaligned_c
RESTORE_SWITCH_STACK
br ret_from_exception
#else
handle_unaligned:
call handle_unaligned_c
br ret_from_exception
#endif
handle_illegal:
call handle_illegal_c
br ret_from_exception
handle_diverror:
call handle_diverror_c
br ret_from_exception
#ifdef CONFIG_KGDB
handle_kgdb_breakpoint:
call kgdb_breakpoint_c
br ret_from_exception
#endif
/*
* Beware - when entering resume, prev (the current task) is
* in r4, next (the new task) is in r5, don't change these
* registers.
*/
ENTRY(resume)
rdctl r7,status /* save thread status reg */
stw r7,TASK_THREAD+THREAD_KPSR(r4)
andi r7,r7,0x0fffe /* disable interrupts */
wrctl status,r7
SAVE_SWITCH_STACK
stw sp,TASK_THREAD+THREAD_KSP(r4) /* save kernel stack pointer */
ldw sp,TASK_THREAD+THREAD_KSP(r5) /* restore new thread stack */
movia r24,_current_thread /* save thread */
GET_THREAD_INFO r1
stw r1,0(r24)
RESTORE_SWITCH_STACK
ldw r7,TASK_THREAD+THREAD_KPSR(r5) /* restore thread status reg */
wrctl status,r7
ret
ENTRY(ret_from_fork)
call schedule_tail
br ret_from_exception