100 lines
2.3 KiB
C++
100 lines
2.3 KiB
C++
# Copyright (C) 2016-2022 Free Software Foundation, Inc.
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# Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
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#
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# This file is part of the GNU simulators.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# MACRO: start
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# All assembler tests should start with a call to "main_test"
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.macro start
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.text
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.global _start
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_start:
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# Skip over these inlined funcs.
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jmp __main_test;
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.global __pass
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.type __pass, function
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__pass:
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# Note - DRAM LMA and VMA are equal for PRU, so
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# we can afford to pass DRAM pointer directly.
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write 1, _passmsg, 5
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exit 0
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.global __fail
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.type __fail, function
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__fail:
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write 1, _failmsg, 5
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exit 1
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.data
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_passmsg:
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.ascii "pass\n"
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_failmsg:
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.ascii "fail\n"
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.text
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.global __main_test
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.type __main_test, function
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__main_test:
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.endm
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# MACRO: system_call
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# Make a libgloss system call
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.macro system_call nr:req, arg1=0, arg2=0, arg3=0
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ldi r1, \nr
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ldi r14, \arg1
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ldi r15, \arg2
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ldi r16, \arg3
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halt
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.endm
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# MACRO: exit
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# Quit the current test
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.macro exit rc:req
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system_call 1, \rc
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.endm
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# MACRO: pass
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# Write 'pass' to stdout via syscalls and quit;
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# meant for non-OS operating environments
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.macro pass
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jmp __pass;
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.endm
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# MACRO: fail
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# Write 'fail' to stdout via syscalls and quit;
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# meant for non-OS operating environments
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.macro fail
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jmp __fail;
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.endm
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# MACRO: write
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# Just like the write() C function; uses system calls
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.macro write fd:req, str:req, len:req
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system_call 5, \fd, \str, \len
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.endm
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# MACRO: qbne32
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# Like qbne instruction, but check a 32-bit constant value.
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.macro qbne32 label:req, op0:req, C0:req
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qbne \label, \op0\().b0, ((\C0) >> 0) & 0xff
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qbne \label, \op0\().b1, ((\C0) >> 8) & 0xff
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qbne \label, \op0\().b2, ((\C0) >> 16) & 0xff
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qbne \label, \op0\().b3, ((\C0) >> 24) & 0xff
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.endm
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