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- /* Tests instructions l.mfspr and l.mtspr.
- Copyright (C) 2017-2022 Free Software Foundation, Inc.
- 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/>. */
- # mach: or1k
- # output: report(0x00000000);\n
- # output: report(0x00002801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002801);\n
- # output: report(0x00000000);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002801);\n
- # output: report(0x00002801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00000801);\n
- # output: report(0x00002000);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002000);\n
- # output: report(0x00000801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002801);\n
- # output: report(0x00000001);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00000800);\n
- # output: report(0x00002801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00000000);\n
- # output: report(0x00002801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002801);\n
- # output: report(0x00000000);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002801);\n
- # output: report(0x00002801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00000801);\n
- # output: report(0x00002000);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002000);\n
- # output: report(0x00000801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00002801);\n
- # output: report(0x00000001);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: report(0x00000800);\n
- # output: report(0x00002801);\n
- # output: report(0xdeadbeef);\n
- # output: \n
- # output: exit(0)\n
- #include "or1k-asm-test-env.h"
- #define MACLO_VAL 0xdeadbeef
- /* A macro to carry out a test of l.mfspr.
- MACLO (0x2801) is used as the SPR, since it can be read and
- cleared using l.macrc and can be set using l.maci. spr_number
- and immediate_val_to_or should be chosen to address this
- register.
- The value placed in the register is entirely arbitrary - we use
- 0xdeadbeef. */
- .macro TEST_MFSPR spr_number, immediate_val_to_or
- REPORT_IMMEDIATE_TO_CONSOLE \spr_number
- REPORT_IMMEDIATE_TO_CONSOLE \immediate_val_to_or
- /* Write MACLO_VAL to MACLO. */
- l.macrc r2
- LOAD_IMMEDIATE r2, MACLO_VAL
- l.maci r2, 1
- LOAD_IMMEDIATE r5, \spr_number
- l.mfspr r4, r5, \immediate_val_to_or
- REPORT_REG_TO_CONSOLE r4
- PRINT_NEWLINE_TO_CONSOLE
- .endm
- /* A macro to carry out a test of l.mtspr
- MACLO (0x2801) is used as the SPR, since it can be read and
- cleared using l.macrc and can be set using l.maci. The
- arguments spr_number and immediate_val_to_or should be chosen
- to address this register.
- The value placed in the register is entirely arbitrary - we use
- 0xdeadbeef. */
- .macro TEST_MTSPR spr_number, immediate_val_to_or
- REPORT_IMMEDIATE_TO_CONSOLE \spr_number
- REPORT_IMMEDIATE_TO_CONSOLE \immediate_val_to_or
- /* Clear MACLO */
- l.macrc r2
- LOAD_IMMEDIATE r4, MACLO_VAL
- LOAD_IMMEDIATE r5, \spr_number
- l.mtspr r5, r4, \immediate_val_to_or
- /* Retrieve MACLO. */
- l.macrc r4
- REPORT_REG_TO_CONSOLE r4
- PRINT_NEWLINE_TO_CONSOLE
- .endm
- STANDARD_TEST_ENVIRONMENT
- .section .text
- start_tests:
- PUSH LINK_REGISTER_R9
- /* Test the l.mfspr instruction with a range of operands. */
- /* Move a test value using zero in the register. */
- TEST_MFSPR SPR_VR, SPR_MACLO /* 0x0000, 0x2801 */
- /* Move a test value using zero as the constant. */
- TEST_MFSPR SPR_MACLO, SPR_VR /* 0x2801, 0x0000 */
- /* Move a test value using non-zero in both register and constant. */
- /* Some of these values will not give the correct result if OR
- rather than ADD is used to determine the SPR address. */
- TEST_MFSPR SPR_MACLO, SPR_MACLO /* 0x2801, 0x2801 */
- TEST_MFSPR SPR_DMMUPR, SPR_ICCR /* 0x0801, 0x2000 */
- TEST_MFSPR SPR_ICCR, SPR_DMMUPR /* 0x2000, 0x0801 */
- TEST_MFSPR SPR_MACLO, SPR_UPR /* 0x2801, 0x0001 */
- TEST_MFSPR SPR_DMMUCR, SPR_MACLO /* 0x0800, 0x2801 */
- /* Test the l.mtspr instruction with a range of operands. */
- /* Move a test value using zero in the register. */
- TEST_MTSPR SPR_VR, SPR_MACLO /* 0x0000, 0x2801 */
- /* Move a test value using zero as the constant. */
- TEST_MTSPR SPR_MACLO, SPR_VR /* 0x2801, 0x0000 */
- /* Move a test value using non-zero in both register and constant. */
- /* Some of these values will not give the correct result if or
- rather than add is used to determine the SPR address. */
- TEST_MTSPR SPR_MACLO, SPR_MACLO /* 0x2801, 0x2801 */
- TEST_MTSPR SPR_DMMUPR, SPR_ICCR /* 0x0801, 0x2000 */
- TEST_MTSPR SPR_ICCR, SPR_DMMUPR /* 0x2000, 0x0801 */
- TEST_MTSPR SPR_MACLO, SPR_UPR /* 0x2801, 0x0001 */
- TEST_MTSPR SPR_DMMUCR, SPR_MACLO /* 0x0800, 0x2801 */
- POP LINK_REGISTER_R9
- RETURN_TO_LINK_REGISTER_R9
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