1# Copyright (C) 2016-2020 Free Software Foundation, Inc. 2# Contributed by Dimitar Dimitrov <dimitar@dinux.eu> 3# 4# This file is part of the GNU simulators. 5# 6# This program is free software; you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 3 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <http://www.gnu.org/licenses/>. 18 19# MACRO: start 20# All assembler tests should start with a call to "main_test" 21 .macro start 22 .text 23 24 .global _start 25_start: 26 27 # Skip over these inlined funcs. 28 jmp __main_test; 29 30 .global __pass 31 .type __pass, function 32__pass: 33 # Note - DRAM LMA and VMA are equal for PRU, so 34 # we can afford to pass DRAM pointer directly. 35 write 1, _passmsg, 5 36 exit 0 37 38 .global __fail 39 .type __fail, function 40__fail: 41 write 1, _failmsg, 5 42 exit 1 43 44 .data 45_passmsg: 46 .ascii "pass\n" 47 48_failmsg: 49 .ascii "fail\n" 50 51 .text 52 .global __main_test 53 .type __main_test, function 54__main_test: 55 .endm 56 57# MACRO: system_call 58# Make a libgloss system call 59 .macro system_call nr:req, arg1=0, arg2=0, arg3=0 60 ldi r1, \nr 61 ldi r14, \arg1 62 ldi r15, \arg2 63 ldi r16, \arg3 64 halt 65 .endm 66 67# MACRO: exit 68# Quit the current test 69 .macro exit rc:req 70 system_call 1, \rc 71 .endm 72 73# MACRO: pass 74# Write 'pass' to stdout via syscalls and quit; 75# meant for non-OS operating environments 76 .macro pass 77 jmp __pass; 78 .endm 79 80# MACRO: fail 81# Write 'fail' to stdout via syscalls and quit; 82# meant for non-OS operating environments 83 .macro fail 84 jmp __fail; 85 .endm 86 87# MACRO: write 88# Just like the write() C function; uses system calls 89 .macro write fd:req, str:req, len:req 90 system_call 5, \fd, \str, \len 91 .endm 92 93# MACRO: qbne32 94# Like qbne instruction, but check a 32-bit constant value. 95 .macro qbne32 label:req, op0:req, C0:req 96 qbne \label, \op0\().b0, ((\C0) >> 0) & 0xff 97 qbne \label, \op0\().b1, ((\C0) >> 8) & 0xff 98 qbne \label, \op0\().b2, ((\C0) >> 16) & 0xff 99 qbne \label, \op0\().b3, ((\C0) >> 24) & 0xff 100 .endm 101