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-rw-r--r--arch/mips/vr41xx/common/int-handler.S114
1 files changed, 0 insertions, 114 deletions
diff --git a/arch/mips/vr41xx/common/int-handler.S b/arch/mips/vr41xx/common/int-handler.S
deleted file mode 100644
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--- a/arch/mips/vr41xx/common/int-handler.S
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-/*
- * 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
-
- j spurious_interrupt
- 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)