derek.holloway
7502bf64a4
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172 lines
5.3 KiB
ArmAsm
172 lines
5.3 KiB
ArmAsm
/* Tests instructions l.mfspr and l.mtspr.
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Copyright (C) 2017-2024 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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# mach: or1k
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# output: report(0x00000000);\n
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# output: report(0x00002801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002801);\n
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# output: report(0x00000000);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002801);\n
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# output: report(0x00002801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00000801);\n
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# output: report(0x00002000);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002000);\n
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# output: report(0x00000801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002801);\n
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# output: report(0x00000001);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00000800);\n
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# output: report(0x00002801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00000000);\n
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# output: report(0x00002801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002801);\n
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# output: report(0x00000000);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002801);\n
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# output: report(0x00002801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00000801);\n
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# output: report(0x00002000);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002000);\n
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# output: report(0x00000801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00002801);\n
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# output: report(0x00000001);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: report(0x00000800);\n
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# output: report(0x00002801);\n
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# output: report(0xdeadbeef);\n
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# output: \n
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# output: exit(0)\n
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#include "or1k-asm-test-env.h"
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#define MACLO_VAL 0xdeadbeef
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/* A macro to carry out a test of l.mfspr.
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MACLO (0x2801) is used as the SPR, since it can be read and
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cleared using l.macrc and can be set using l.maci. spr_number
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and immediate_val_to_or should be chosen to address this
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register.
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The value placed in the register is entirely arbitrary - we use
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0xdeadbeef. */
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.macro TEST_MFSPR spr_number, immediate_val_to_or
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REPORT_IMMEDIATE_TO_CONSOLE \spr_number
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REPORT_IMMEDIATE_TO_CONSOLE \immediate_val_to_or
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/* Write MACLO_VAL to MACLO. */
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l.macrc r2
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LOAD_IMMEDIATE r2, MACLO_VAL
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l.maci r2, 1
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LOAD_IMMEDIATE r5, \spr_number
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l.mfspr r4, r5, \immediate_val_to_or
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REPORT_REG_TO_CONSOLE r4
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PRINT_NEWLINE_TO_CONSOLE
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.endm
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/* A macro to carry out a test of l.mtspr
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MACLO (0x2801) is used as the SPR, since it can be read and
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cleared using l.macrc and can be set using l.maci. The
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arguments spr_number and immediate_val_to_or should be chosen
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to address this register.
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The value placed in the register is entirely arbitrary - we use
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0xdeadbeef. */
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.macro TEST_MTSPR spr_number, immediate_val_to_or
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REPORT_IMMEDIATE_TO_CONSOLE \spr_number
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REPORT_IMMEDIATE_TO_CONSOLE \immediate_val_to_or
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/* Clear MACLO */
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l.macrc r2
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LOAD_IMMEDIATE r4, MACLO_VAL
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LOAD_IMMEDIATE r5, \spr_number
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l.mtspr r5, r4, \immediate_val_to_or
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/* Retrieve MACLO. */
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l.macrc r4
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REPORT_REG_TO_CONSOLE r4
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PRINT_NEWLINE_TO_CONSOLE
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.endm
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STANDARD_TEST_ENVIRONMENT
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.section .text
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start_tests:
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PUSH LINK_REGISTER_R9
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/* Test the l.mfspr instruction with a range of operands. */
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/* Move a test value using zero in the register. */
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TEST_MFSPR SPR_VR, SPR_MACLO /* 0x0000, 0x2801 */
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/* Move a test value using zero as the constant. */
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TEST_MFSPR SPR_MACLO, SPR_VR /* 0x2801, 0x0000 */
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/* Move a test value using non-zero in both register and constant. */
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/* Some of these values will not give the correct result if OR
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rather than ADD is used to determine the SPR address. */
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TEST_MFSPR SPR_MACLO, SPR_MACLO /* 0x2801, 0x2801 */
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TEST_MFSPR SPR_DMMUPR, SPR_ICCR /* 0x0801, 0x2000 */
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TEST_MFSPR SPR_ICCR, SPR_DMMUPR /* 0x2000, 0x0801 */
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TEST_MFSPR SPR_MACLO, SPR_UPR /* 0x2801, 0x0001 */
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TEST_MFSPR SPR_DMMUCR, SPR_MACLO /* 0x0800, 0x2801 */
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/* Test the l.mtspr instruction with a range of operands. */
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/* Move a test value using zero in the register. */
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TEST_MTSPR SPR_VR, SPR_MACLO /* 0x0000, 0x2801 */
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/* Move a test value using zero as the constant. */
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TEST_MTSPR SPR_MACLO, SPR_VR /* 0x2801, 0x0000 */
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/* Move a test value using non-zero in both register and constant. */
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/* Some of these values will not give the correct result if or
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rather than add is used to determine the SPR address. */
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TEST_MTSPR SPR_MACLO, SPR_MACLO /* 0x2801, 0x2801 */
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TEST_MTSPR SPR_DMMUPR, SPR_ICCR /* 0x0801, 0x2000 */
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TEST_MTSPR SPR_ICCR, SPR_DMMUPR /* 0x2000, 0x0801 */
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TEST_MTSPR SPR_MACLO, SPR_UPR /* 0x2801, 0x0001 */
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TEST_MTSPR SPR_DMMUCR, SPR_MACLO /* 0x0800, 0x2801 */
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POP LINK_REGISTER_R9
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RETURN_TO_LINK_REGISTER_R9
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