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# Copyright (C) 2016-2021 Free Software Foundation, Inc.
# Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
#
# This file is part of the GNU simulators.
#
# 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/>.
# MACRO: start
# All assembler tests should start with a call to "main_test"
.macro start
.text
.global _start
_start:
# Skip over these inlined funcs.
jmp __main_test;
.global __pass
.type __pass, function
__pass:
# Note - DRAM LMA and VMA are equal for PRU, so
# we can afford to pass DRAM pointer directly.
write 1, _passmsg, 5
exit 0
.global __fail
.type __fail, function
__fail:
write 1, _failmsg, 5
exit 1
.data
_passmsg:
.ascii "pass\n"
_failmsg:
.ascii "fail\n"
.text
.global __main_test
.type __main_test, function
__main_test:
.endm
# MACRO: system_call
# Make a libgloss system call
.macro system_call nr:req, arg1=0, arg2=0, arg3=0
ldi r1, \nr
ldi r14, \arg1
ldi r15, \arg2
ldi r16, \arg3
halt
.endm
# MACRO: exit
# Quit the current test
.macro exit rc:req
system_call 1, \rc
.endm
# MACRO: pass
# Write 'pass' to stdout via syscalls and quit;
# meant for non-OS operating environments
.macro pass
jmp __pass;
.endm
# MACRO: fail
# Write 'fail' to stdout via syscalls and quit;
# meant for non-OS operating environments
.macro fail
jmp __fail;
.endm
# MACRO: write
# Just like the write() C function; uses system calls
.macro write fd:req, str:req, len:req
system_call 5, \fd, \str, \len
.endm
# MACRO: qbne32
# Like qbne instruction, but check a 32-bit constant value.
.macro qbne32 label:req, op0:req, C0:req
qbne \label, \op0\().b0, ((\C0) >> 0) & 0xff
qbne \label, \op0\().b1, ((\C0) >> 8) & 0xff
qbne \label, \op0\().b2, ((\C0) >> 16) & 0xff
qbne \label, \op0\().b3, ((\C0) >> 24) & 0xff
.endm
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