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122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/* Testsuite helpers for OpenRISC.
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Copyright (C) 2017-2022 Free Software Foundation, Inc.
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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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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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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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#ifndef OR1K_ASM_TEST_HELPERS_H
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#define OR1K_ASM_TEST_HELPERS_H
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#include "spr-defs.h"
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#include "or1k-asm-test-env.h"
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/* During exception handling the instruction under test is
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overwritten with a nop. Here we check if that is the case and
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report. */
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.macro REPORT_EXCEPTION instruction_addr
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PUSH r2
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PUSH r3
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LOAD_IMMEDIATE r3, \instruction_addr
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l.lws r2, 0(r3)
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LOAD_IMMEDIATE r3, 0x15000000 /* l.nop */
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l.sfeq r2, r3
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OR1K_DELAYED_NOP (l.bnf 1f)
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REPORT_IMMEDIATE_TO_CONSOLE 0x00000001
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OR1K_DELAYED_NOP (l.j 2f)
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1:
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REPORT_IMMEDIATE_TO_CONSOLE 0x00000000
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2:
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POP r3
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POP r2
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.endm
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/* Test that will set and clear sr flags, run instruction report
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the result and whether or not there was an exception.
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Arguments:
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flags_to_set - sr flags to set
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flags_to_clear - sr flags to clear
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opcode - the instruction to execute
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op1 - first argument to the instruction
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op2 - second argument to the function
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Reports:
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report(0x00000001);\n op1
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report(0x00000002);\n op1
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report(0x00000003);\n result
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report(0x00000000);\n 1 if carry
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report(0x00000000);\n 1 if overflow
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report(0x00000000);\n 1 if exception
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\n */
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.macro TEST_INST_FF_I32_I32 flags_to_set, flags_to_clear, opcode, op1, op2
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LOAD_IMMEDIATE r5, \op1
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LOAD_IMMEDIATE r6, \op2
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REPORT_REG_TO_CONSOLE r5
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REPORT_REG_TO_CONSOLE r6
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/* Clear the last exception address. */
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MOVE_TO_SPR SPR_EPCR_BASE, ZERO_R0
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SET_SPR_SR_FLAGS \flags_to_set , r2, r3
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CLEAR_SPR_SR_FLAGS \flags_to_clear, r2, r3
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\@1$: \opcode r4, r5, r6
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MOVE_FROM_SPR r2, SPR_SR /* Save the flags. */
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REPORT_REG_TO_CONSOLE r4
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REPORT_BIT_TO_CONSOLE r2, SPR_SR_CY
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REPORT_BIT_TO_CONSOLE r2, SPR_SR_OV
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REPORT_EXCEPTION \@1$
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PRINT_NEWLINE_TO_CONSOLE
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.endm
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.macro TEST_INST_FF_I32_I16 flags_to_set, flags_to_clear, opcode, op1, op2
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LOAD_IMMEDIATE r5, \op1
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REPORT_REG_TO_CONSOLE r5
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REPORT_IMMEDIATE_TO_CONSOLE \op2
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SET_SPR_SR_FLAGS \flags_to_set , r2, r3
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CLEAR_SPR_SR_FLAGS \flags_to_clear, r2, r3
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/* Clear the last exception address. */
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MOVE_TO_SPR SPR_EPCR_BASE, ZERO_R0
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\@1$: \opcode r4, r5, \op2
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MOVE_FROM_SPR r2, SPR_SR /* Save the flags. */
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REPORT_REG_TO_CONSOLE r4
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REPORT_BIT_TO_CONSOLE r2, SPR_SR_CY
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REPORT_BIT_TO_CONSOLE r2, SPR_SR_OV
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REPORT_EXCEPTION \@1$
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PRINT_NEWLINE_TO_CONSOLE
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.endm
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.macro TEST_INST_I32_I32 opcode, op1, op2
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TEST_INST_FF_I32_I32 0, 0, \opcode, \op1, \op2
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.endm
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.macro TEST_INST_I32_I16 opcode, op1, op2
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TEST_INST_FF_I32_I16 0, 0, \opcode, \op1, \op2
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.endm
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.macro CHECK_CARRY_AND_OVERFLOW_NOT_SET overwritten_reg1, overwritten_reg2
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MOVE_FROM_SPR \overwritten_reg1, SPR_SR
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LOAD_IMMEDIATE \overwritten_reg2, SPR_SR_CY + SPR_SR_OV
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l.and \overwritten_reg1, \overwritten_reg1, \overwritten_reg2
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l.sfne \overwritten_reg1, ZERO_R0
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OR1K_DELAYED_NOP (l.bnf \@2$)
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EXIT_SIMULATION_WITH_IMMEDIATE_EXIT_CODE SEC_GENERIC_ERROR
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\@2$:
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.endm
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#endif /* OR1K_ASM_TEST_HELPERS_H */
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