Update of /cvsroot/linux-mips/linux/arch/mips/vr4122/common
In directory usw-pr-cvs1:/tmp/cvs-serv6614
Modified Files:
Makefile
Added Files:
int-handler.S
Log Message:
This check in at least makes Linux build for Eagle board.
--- NEW FILE: int-handler.S ---
/*
* BRIEF MODULE DESCRIPTION
* Interrupt dispatcher for NEC Vr4122 CPU core.
*
* Copyright 2001 MontaVista Software Inc.
* Author Yoichi Yuasa
* yy...@mv... or so...@mv...
*
* 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.
*/
#include <asm/asm.h>
#include <asm/regdef.h>
#include <asm/mipsregs.h>
#include <asm/stackframe.h>
.text
.set noreorder
.align 5
NESTED(vr4122_handle_int, 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 # timer interrupt
beqz t1, 1f
li a0, 7
jal ll_timer_interrupt
move a1, sp
j ret_from_irq
1:
andi t1, t0, 0x7800 # check for IP3-6
beqz t1, 2f
andi t1, t0, CAUSEF_IP3 # check for IP3
bnez t1, handle_it
li a0, 3
andi t1, t0, CAUSEF_IP4 # check for IP4
bnez t1, handle_it
li a0, 4
andi t1, t0, CAUSEF_IP5 # check for IP5
bnez t1, handle_it
li a0, 5
andi t1, t0, CAUSEF_IP6 # check for IP6
bnez t1, handle_it
li a0, 6
2:
andi t1, t0, CAUSEF_IP2 # check for IP2
beqz t1, 3f
move a0, sp
jal int0_icu_irqdispatch
nop
j ret_from_irq
nop
3:
andi t1, t0, CAUSEF_IP0 # check for IP0
bnez t1, handle_it
li a0, 0
andi t1, t0, CAUSEF_IP1 # check for IP1
bnez t1, handle_it
li a0, 1
j spurious_interrupt
nop
handle_it:
jal do_IRQ
move a1, sp
j ret_from_irq
END(vr4122_handle_int)
Index: Makefile
===================================================================
RCS file: /cvsroot/linux-mips/linux/arch/mips/vr4122/common/Makefile,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- Makefile 2001/10/08 16:51:28 1.2
+++ Makefile 2001/10/08 21:50:42 1.3
@@ -25,6 +25,4 @@
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_REMOTE_DEBUG) += dbg_io.o
-int-handler.o: int-handler.S
-
include $(TOPDIR)/Rules.make
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