diff options
Diffstat (limited to 'arch/mips/vr41xx/common/int-handler.S')
| -rw-r--r-- | arch/mips/vr41xx/common/int-handler.S | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/mips/vr41xx/common/int-handler.S b/arch/mips/vr41xx/common/int-handler.S deleted file mode 100644 index e8652348fef..00000000000 --- a/arch/mips/vr41xx/common/int-handler.S +++ /dev/null @@ -1,116 +0,0 @@ -/* - * FILE NAME - * arch/mips/vr41xx/common/int-handler.S - * - * BRIEF MODULE DESCRIPTION - * Interrupt dispatcher for the NEC VR4100 series. - * - * Author: Yoichi Yuasa - * yyuasa@mvista.com or source@mvista.com - * - * Copyright 2001 MontaVista Software Inc. - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -/* - * Changes: - * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com> - * - New creation, NEC VR4100 series are supported. - * - * Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> - * - Coped with INTASSIGN of NEC VR4133. - */ -#include <asm/asm.h> -#include <asm/regdef.h> -#include <asm/mipsregs.h> -#include <asm/stackframe.h> - - .text - .set noreorder - - .align 5 - NESTED(vr41xx_handle_interrupt, PT_SIZE, ra) - .set noat - SAVE_ALL - CLI - .set at - .set noreorder - - /* - * Get the pending interrupts - */ - mfc0 t0, CP0_CAUSE - mfc0 t1, CP0_STATUS - andi t0, 0xff00 - and t0, t0, t1 - - andi t1, t0, CAUSEF_IP7 # MIPS timer interrupt - bnez t1, handle_irq - li a0, 7 - - andi t1, t0, 0x7800 # check for Int1-4 - beqz t1, 1f - - andi t1, t0, CAUSEF_IP3 # check for Int1 - bnez t1, handle_int - li a0, 3 - - andi t1, t0, CAUSEF_IP4 # check for Int2 - bnez t1, handle_int - li a0, 4 - - andi t1, t0, CAUSEF_IP5 # check for Int3 - bnez t1, handle_int - li a0, 5 - - andi t1, t0, CAUSEF_IP6 # check for Int4 - bnez t1, handle_int - li a0, 6 - -1: - andi t1, t0, CAUSEF_IP2 # check for Int0 - bnez t1, handle_int - li a0, 2 - - andi t1, t0, CAUSEF_IP0 # check for IP0 - bnez t1, handle_irq - li a0, 0 - - andi t1, t0, CAUSEF_IP1 # check for IP1 - bnez t1, handle_irq - li a0, 1 - - jal spurious_interrupt - nop - j ret_from_irq - nop - -handle_int: - jal irq_dispatch - move a1, sp - j ret_from_irq - nop - -handle_irq: - jal do_IRQ - move a1, sp - j ret_from_irq - END(vr41xx_handle_interrupt) |