OpenCores
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Subversion Repositories openrisc_2011-10-31

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  • This comparison shows the changes necessary to convert path
    /openrisc/tags/or1ksim/or1ksim-0.4.0rc2/testsuite/test-code-or1k/int-test
    from Rev 121 to Rev 128
    Reverse comparison

Rev 121 → Rev 128

/Makefile.in
0,0 → 1,505
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# @configure_input@
 
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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@SET_MAKE@
 
# Makefile.am for or1ksim testsuite CPU test program: int-test
 
# Copyright (C) Embecosm Limited, 2010
 
# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
 
# This file is part of OpenRISC 1000 Architectural Simulator.
 
# 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 3 of the License, or (at your option)
# any later version.
 
# This program is distributed in the hope that it will be useful, but WITHOUT
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# You should have received a copy of the GNU General Public License along
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
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/int-test.S
0,0 → 1,457
/* int-test.S. Test of Or1ksim interrupt handling
 
Copyright (C) 1999-2006 OpenCores
Copyright (C) 2010 Embecosm Limited
 
Contributors various OpenCores participants
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
 
This file is part of OpenRISC 1000 Architectural Simulator.
 
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 3 of the License, or (at your option)
any later version.
 
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, see <http: www.gnu.org/licenses/>. */
 
/* ----------------------------------------------------------------------------
This code is commented throughout for use with Doxygen.
--------------------------------------------------------------------------*/
 
/* NOTE. This is not a test of the Programmable Interrupt Controller.
 
Within the test we'll use following global variables:
r16 interrupt counter
r17 current tick timer comparison counter
r18 sanity counter
r19 loop counter
r20 temp value of SR reg
r21 temp value of TTMR reg.
r23 RAM_START
r25-r31 used by int handler
The test do the following:
We set up the tick timer to trigger once and then we trigger interrupts
incrementally on every cycle in the specified test program; on interrupt
handler we check if data computed so far exactly matches precalculated
values. If interrupt has returned incorreclty, we can detect this using
assertion routine at the end.
*/
 
#include "spr-defs.h"
#include "board.h"
 
#define RAM_START 0x00000000
 
#define MC_CSR (0x00)
#define MC_POC (0x04)
#define MC_BA_MASK (0x08)
#define MC_CSC(i) (0x10 + (i) * 8)
#define MC_TMS(i) (0x14 + (i) * 8)
 
.section .reset, "ax"
 
.org 0x100
 
_reset_vector:
l.addi r2,r0,0x0
l.addi r3,r0,0x0
l.addi r4,r0,0x0
l.addi r5,r0,0x0
l.addi r6,r0,0x0
l.addi r7,r0,0x0
l.addi r8,r0,0x0
l.addi r9,r0,0x0
l.addi r10,r0,0x0
l.addi r11,r0,0x0
l.addi r12,r0,0x0
l.addi r13,r0,0x0
l.addi r14,r0,0x0
l.addi r15,r0,0x0
l.addi r16,r0,0x0
l.addi r17,r0,0x0
l.addi r18,r0,0x0
l.addi r19,r0,0x0
l.addi r20,r0,0x0
l.addi r21,r0,0x0
l.addi r22,r0,0x0
l.addi r23,r0,0x0
l.addi r24,r0,0x0
l.addi r25,r0,0x0
l.addi r26,r0,0x0
l.addi r27,r0,0x0
l.addi r28,r0,0x0
l.addi r29,r0,0x0
l.addi r30,r0,0x0
l.addi r31,r0,0x0
 
l.movhi r3,hi(start)
l.ori r3,r3,lo(start)
l.jr r3
l.nop
start:
l.jal _init_mc
l.nop
 
/* Setup exception wrapper */
l.movhi r3,hi(_src_beg)
l.ori r3,r3,lo(_src_beg)
l.movhi r4,hi(_dst_beg)
l.ori r4,r4,lo(_dst_beg)
l.movhi r5,hi(_dst_end)
l.ori r5,r5,lo(_dst_end)
l.sub r5,r5,r4
l.sfeqi r5,0
l.bf 2f
l.nop
1:
l.lwz r6,0(r3)
l.sw 0(r4),r6
l.addi r3,r3,4
l.addi r4,r4,4
l.addi r5,r5,-4
l.sfgtsi r5,0
l.bf 1b
l.nop
2:
l.movhi r2,hi(_main)
l.ori r2,r2,lo(_main)
l.jr r2
l.nop
 
_init_mc:
l.movhi r3,hi(MC_BASE_ADDR)
l.ori r3,r3,lo(MC_BASE_ADDR)
l.addi r4,r3,MC_CSC(0)
l.movhi r5,hi(FLASH_BASE_ADDR)
l.srai r5,r5,6
l.ori r5,r5,0x0025
l.sw 0(r4),r5
l.addi r4,r3,MC_TMS(0)
l.movhi r5,hi(FLASH_TMS_VAL)
l.ori r5,r5,lo(FLASH_TMS_VAL)
l.sw 0(r4),r5
l.addi r4,r3,MC_BA_MASK
l.addi r5,r0,MC_MASK_VAL
l.sw 0(r4),r5
l.addi r4,r3,MC_CSR
l.movhi r5,hi(MC_CSR_VAL)
l.ori r5,r5,lo(MC_CSR_VAL)
l.sw 0(r4),r5
l.addi r4,r3,MC_TMS(1)
l.movhi r5,hi(SDRAM_TMS_VAL)
l.ori r5,r5,lo(SDRAM_TMS_VAL)
l.sw 0(r4),r5
l.addi r4,r3,MC_CSC(1)
l.movhi r5,hi(SDRAM_BASE_ADDR)
l.srai r5,r5,6
l.ori r5,r5,0x0411
l.sw 0(r4),r5
l.jr r9
l.nop
 
.section .text
#
# Tick timer exception handler
#
 
l.addi r31,r3,0
# get interrupted program pc
l.mfspr r25,r0,SPR_EPCR_BASE
 
# calculate instruction address
l.movhi r26,hi(_ie_start)
l.ori r26,r26,lo(_ie_start)
l.addi r3,r25,0 #print insn index
l.nop 2
l.sub r25,r25,r26
l.addi r3,r25,0 #print insn index
l.nop 2
l.addi r3,r31,0 # restore r3
l.sfeqi r25, 0x00
l.bf _i00
l.sfeqi r25, 0x04
l.bf _i04
l.sfeqi r25, 0x08
l.bf _i08
l.sfeqi r25, 0x0c
l.bf _i0c
l.sfeqi r25, 0x10
l.bf _i10
l.sfeqi r25, 0x14
l.bf _i14
l.sfeqi r25, 0x18
l.bf _i18
l.sfeqi r25, 0x1c
l.bf _i1c
l.sfeqi r25, 0x20
l.bf _i20
l.sfeqi r25, 0x24
l.bf _i24
l.sfeqi r25, 0x28
l.bf _i28
l.sfeqi r25, 0x2c
l.bf _i2c
l.sfeqi r25, 0x30
l.bf _i30
l.sfeqi r25, 0x34
l.bf _i34
l.sfeqi r25, 0x38
l.bf _i38
l.nop
 
# value not defined
_die:
l.nop 2 #print r3
l.addi r3,r0,0xeeee
l.nop 2
l.addi r3,r0,1
l.nop 1
1:
l.j 1b
l.nop
 
 
_main:
l.nop
l.addi r3,r0,SPR_SR_SM
l.mtspr r0,r3,SPR_SR
l.nop
 
#
# set tick counter to initial 3 cycles
#
l.addi r16,r0,0
l.addi r17,r0,1
l.addi r18,r0,0
l.addi r19,r0,0
l.addi r22,r0,0
l.movhi r23,hi(RAM_START)
l.ori r23,r23,lo(RAM_START)
 
# Set r20 to hold enable tick exception
l.mfspr r20,r0,SPR_SR
l.ori r20,r20,SPR_SR_SM|SPR_SR_TEE|SPR_SR_F
 
# Set r21 to hold value of TTMR
l.movhi r5,hi(SPR_TTMR_SR | SPR_TTMR_IE)
l.add r21,r5,r17
 
#
# MAIN LOOP
#
_main_loop:
# reinitialize memory and registers
l.addi r3,r0,0xaaaa
l.addi r9,r0,0xbbbb
l.sw 0(r23),r3
l.sw 4(r23),r9
l.sw 8(r23),r3
# Reinitializes tick timer
l.addi r17,r17,1
l.mtspr r0,r0,SPR_TTCR # set TTCR
l.mtspr r0,r21,SPR_TTMR # set TTMR
l.mtspr r0,r0,SPR_TTCR # set TTCR
l.addi r21,r21,1
 
# Enable exceptions and interrupts
l.mtspr r0,r20,SPR_SR # set SR
 
##### TEST CODE #####
_ie_start:
l.movhi r3,0x1234 #00
l.sw 0(r23),r3 #04
l.movhi r3,hi(RAM_START) #08
l.lwz r3,0(r3) #0c
l.movhi r3,hi(RAM_START) #10
l.addi r3,r3,4 #14
l.j 1f #18
l.lwz r3,0(r3) #1c
l.addi r3,r3,1 #20
1:
l.sfeqi r3,0xdead #24
l.jal 2f #28
l.addi r3,r0,0x5678 #2c
 
_return_addr:
2:
l.bf _die #30
l.sw 8(r23),r3 #34
_ie_end:
l.nop #38
##### END OF TEST CODE #####
 
# do some testing
 
l.j _main_loop
l.nop
 
_i00:
l.sfeqi r3,0xaaaa
l.bnf _die
l.nop
l.j _resume
l.nop
_i04:
l.movhi r26,0x1234
l.sfeq r3,r26
l.bnf _die
l.nop
l.lwz r26,0(r23)
l.sfeqi r26,0xaaaa
l.bnf _die
l.nop
l.j _resume
l.nop
_i08:
l.movhi r26,0x1234
l.sfeq r3,r26
l.bnf _die
l.nop
l.lwz r27,0(r23)
l.sfeq r27,r26
l.bnf _die
l.nop
l.j _resume
l.nop
_i0c:
l.sfeq r3,r23
l.bnf _die
l.nop
l.j _resume
l.nop
_i10:
l.movhi r26,0x1234
l.sfeq r26,r3
l.bnf _die
l.nop
l.j _resume
l.nop
_i14:
l.sfeq r3,r23
l.bnf _die
l.nop
l.j _resume
l.nop
_i18:
l.addi r26,r23,4
l.sfeq r3,r26
l.bnf _die
l.nop
l.j _resume
l.nop
_i1c:
l.j _die
l.nop
_i20:
l.j _die
l.nop
_i24:
l.mfspr r26,r0,SPR_ESR_BASE
l.addi r30,r3,0
l.addi r3,r26,0
l.nop 2
l.addi r3,r30,0
l.andi r26,r26,SPR_SR_F
l.sfeq r26,r0
/* l.bnf _die */
l.nop
l.sfeqi r3,0xbbbb
l.bnf _die
l.nop
l.j _resume
l.nop
_i28:
l.mfspr r26,r0,SPR_ESR_BASE
l.addi r30,r3,0
l.addi r3,r26,0
l.nop 2
l.addi r3,r30,0
l.andi r26,r26,SPR_SR_F
l.sfeq r26,r0
l.bnf _die
l.nop
l.sfeqi r22,1
l.bf _resume
l.addi r22,r0,1
l.sfeqi r9,0xbbbb
l.bnf _die
l.nop
l.j _resume
l.nop
_i2c:
l.movhi r26,hi(_return_addr)
l.ori r26,r26,lo(_return_addr)
l.sfeq r9,r26
l.bnf _die
l.nop
l.sfeqi r3,0xbbbb
l.bnf _die
l.nop
l.j _resume
l.nop
_i30:
l.sfeqi r3,0x5678
l.bnf _die
l.nop
l.j _resume
l.nop
_i34:
l.sfeqi r3,0x5678
l.bnf _die
l.nop
l.lwz r26,8(r23)
l.sfeqi r26,0xaaaa
l.bnf _die
l.nop
l.j _resume
l.nop
_i38:
l.lwz r26,8(r23)
l.sfeqi r26,0x5678
l.bnf _die
l.nop
#
# mark finished ok
#
l.movhi r3,hi(0xdeaddead)
l.ori r3,r3,lo(0xdeaddead)
l.nop 2
l.addi r3,r0,0
l.nop 1
_ok:
l.j _ok
l.nop
 
_resume:
l.mfspr r27,r0,SPR_ESR_BASE
l.addi r26,r0,SPR_SR_TEE
l.addi r28,r0,-1
l.xor r26,r26,r28
l.and r26,r26,r27
l.mtspr r0,r26,SPR_ESR_BASE
l.rfe
l.addi r3,r3,5 # should not be executed
int-test.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: int-test.ld =================================================================== --- int-test.ld (nonexistent) +++ int-test.ld (revision 128) @@ -0,0 +1,57 @@ +/* int-test.ld. Linker script for Or1ksim interrupt controller test program + + Copyright (C) 1999-2006 OpenCores + Copyright (C) 2010 Embecosm Limited + + Contributors various OpenCores participants + Contributor Jeremy Bennett + + This file is part of OpenRISC 1000 Architectural Simulator. + + 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 3 of the License, or (at your option) + any later version. + + 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, see . */ + +/* ---------------------------------------------------------------------------- + This code is commented throughout for use with Doxygen. + --------------------------------------------------------------------------*/ +MEMORY + { + flash : ORIGIN = 0xf0000000, LENGTH = 0x00200000 + ram : ORIGIN = 0x00000500, LENGTH = 0x001fb000 + } + +SECTIONS +{ + .reset : + { + *(.reset) + _src_beg = .; + } > flash + .text : + AT ( ADDR (.reset) + SIZEOF (.reset) ) + { + _dst_beg = .; + *(.text) + } > ram + .data : + AT ( ADDR (.reset) + SIZEOF (.reset) + SIZEOF (.text) ) + { + *(.data) + *(.rodata) + _dst_end = .; + } > ram + .bss : + { + *(.bss) + } > ram +} Index: Makefile.am =================================================================== --- Makefile.am (nonexistent) +++ Makefile.am (revision 128) @@ -0,0 +1,34 @@ +# Makefile.am for or1ksim testsuite CPU test program: int-test + +# Copyright (C) Embecosm Limited, 2010 + +# Contributor Jeremy Bennett + +# This file is part of OpenRISC 1000 Architectural Simulator. + +# 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 3 of the License, or (at your option) +# any later version. + +# 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, see . */ + +# ----------------------------------------------------------------------------- +# This code is commented throughout for use with Doxygen. +# ----------------------------------------------------------------------------- + + +# A test program of exception handling +check_PROGRAMS = int-test + +int_test_SOURCES = int-test.S + +int_test_LDFLAGS = -T$(srcdir)/int-test.ld + +EXTRA_DIST = int-test.ld
Makefile.am Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property

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