/* Tests some basic CPU instructions. Copyright (C) 2017-2024 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 . */ # mach: or1k # output: report(0xffff0012);\n # output: report(0x12352af7);\n # output: report(0x7ffffffe);\n # output: report(0xffffa5a7);\n # output: report(0x000fffff);\n # output: report(0x00002800);\n # output: report(0x00000009);\n # output: report(0xdeaddead);\n # output: report(0xffff0000);\n # output: report(0x12345678);\n # output: report(0xabcdf0bd);\n # output: exit(0)\n #include "or1k-asm-test-env.h" #define FIRST_RAM_ADDR 0x00000000 STANDARD_TEST_HEADER /* Early test begin. */ /* Do this test upfront, as it modifies STACK_POINTER_R1. */ l.addi r1 , r0 , 0x1 l.addi r2 , r1 , 0x2 l.addi r3 , r2 , 0x4 l.addi r4 , r3 , 0x8 l.addi r5 , r4 , 0x10 l.addi r6 , r5 , 0x20 l.addi r7 , r6 , 0x40 l.addi r8 , r7 , 0x80 l.addi r9 , r8 , 0x100 l.addi r10, r9 , 0x200 l.addi r11, r10, 0x400 l.addi r12, r11, 0x800 l.addi r13, r12, 0x1000 l.addi r14, r13, 0x2000 l.addi r15, r14, 0x4000 l.addi r16, r15, 0x8000 l.sub r31, r0 , r1 l.sub r30, r31, r2 l.sub r29, r30, r3 l.sub r28, r29, r4 l.sub r27, r28, r5 l.sub r26, r27, r6 l.sub r25, r26, r7 l.sub r24, r25, r8 l.sub r23, r24, r9 l.sub r22, r23, r10 l.sub r21, r22, r11 l.sub r20, r21, r12 l.sub r19, r20, r13 l.sub r18, r19, r14 l.sub r17, r18, r15 l.sub r16, r17, r16 /* We cannot use REPORT_REG_TO_CONSOLE here, as the stack is not set up yet. */ MOVE_REG NOP_REPORT_R3, r16 REPORT_TO_CONSOLE /* Should be 0xffff0012 */ /* Early test end. */ STANDARD_TEST_BODY .section .text start_tests: PUSH LINK_REGISTER_R9 /* Read and write from RAM. */ LOAD_IMMEDIATE r31, FIRST_RAM_ADDR l.sw 0(r31), r16 l.movhi r3,0x1234 l.ori r3,r3,0x5678 l.sw 4(r31),r3 l.lbz r4,4(r31) l.add r8,r8,r4 l.sb 11(r31),r4 l.lbz r4,5(r31) l.add r8,r8,r4 l.sb 10(r31),r4 l.lbz r4,6(r31) l.add r8,r8,r4 l.sb 9(r31),r4 l.lbz r4,7(r31) l.add r8,r8,r4 l.sb 8(r31),r4 l.lbs r4,8(r31) l.add r8,r8,r4 l.sb 7(r31),r4 l.lbs r4,9(r31) l.add r8,r8,r4 l.sb 6(r31),r4 l.lbs r4,10(r31) l.add r8,r8,r4 l.sb 5(r31),r4 l.lbs r4,11(r31) l.add r8,r8,r4 l.sb 4(r31),r4 l.lhz r4,4(r31) l.add r8,r8,r4 l.sh 10(r31),r4 l.lhz r4,6(r31) l.add r8,r8,r4 l.sh 8(r31),r4 l.lhs r4,8(r31) l.add r8,r8,r4 l.sh 6(r31),r4 l.lhs r4,10(r31) l.add r8,r8,r4 l.sh 4(r31),r4 l.lwz r4,4(r31) l.add r8,r8,r4 REPORT_REG_TO_CONSOLE r8 /* Should be 0x12352af7 */ l.lwz r9,0(r31) l.add r8,r9,r8 l.sw 0(r31),r8 /* Test arithmetic operations. */ l.addi r3,r0,1 l.addi r4,r0,2 l.addi r5,r0,-1 l.addi r6,r0,-1 l.addi r8,r0,0 l.sub r7,r5,r3 l.sub r8,r3,r5 l.add r8,r8,r7 l.div r7,r7,r4 l.add r9,r3,r4 l.mul r7,r9,r7 l.divu r7,r7,r4 l.add r8,r8,r7 REPORT_REG_TO_CONSOLE r8 /* Should be 0x7ffffffe */ l.lwz r9,0(r31) l.add r8,r9,r8 l.sw 0(r31),r8 /* Test logical operations. */ l.addi r3,r0,1 l.addi r4,r0,2 l.addi r5,r0,-1 l.addi r6,r0,-1 l.addi r8,r0,0 l.andi r8,r8,1 l.and r8,r8,r3 l.xori r8,r5,0xa5a5 l.xor r8,r8,r5 l.ori r8,r8,2 l.or r8,r8,r4 REPORT_REG_TO_CONSOLE r8 /* Should be 0xffffa5a7 */ l.lwz r9,0(r31) l.add r8,r9,r8 l.sw 0(r31),r8 /* Test shifting operations. */ l.addi r3,r0,1 l.addi r4,r0,2 l.addi r5,r0,-1 l.addi r6,r0,-1 l.addi r8,r0,0 l.slli r8,r5,6 l.sll r8,r8,r4 l.srli r8,r8,6 l.srl r8,r8,r4 l.srai r8,r8,2 l.sra r8,r8,r4 REPORT_REG_TO_CONSOLE r8 /* Should be 0x000fffff */ l.lwz r9,0(r31) l.add r8,r9,r8 l.sw 0(r31),r8 /* Test the CPU flag. */ l.addi r3,r0,1 l.addi r4,r0,-2 l.addi r8,r0,0 l.sfeq r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfeq r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfeqi r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfeqi r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfne r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfne r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfnei r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfnei r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgtu r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgtu r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgtui r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgtui r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgeu r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgeu r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgeui r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgeui r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfltu r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfltu r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfltui r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfltui r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfleu r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfleu r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfleui r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfleui r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgts r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgts r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgtsi r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgtsi r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfges r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfges r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgesi r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfgesi r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sflts r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sflts r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfltsi r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfltsi r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfles r3,r3 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sfles r3,r4 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sflesi r3,1 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 l.sflesi r3,-2 l.mfspr r5,r0,17 l.andi r4,r5,0x200 l.add r8,r8,r4 REPORT_REG_TO_CONSOLE r8 /* Should be 0x00002800 */ l.lwz r9,0(r31) l.add r8,r9,r8 l.sw 0(r31),r8 /* Test the jump instructions. */ l.addi r8,r0,0 OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.j _T1) ) _T2: OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.jr r9) ) _T1: OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.jal _T2) ) l.sfeqi r0,0 OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.bf _T3) ) _T3: l.sfeqi r0,1 OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.bf _T4) ) l.addi r8,r8,1 _T4: l.sfeqi r0,0 OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.bnf _T5) ) l.addi r8,r8,1 _T5: l.sfeqi r0,1 OR1K_DELAYED ( OR1K_INST (l.addi r8,r8,1), OR1K_INST (l.bnf _T6) ) l.addi r8,r8,1 _T6: l.movhi r3,hi (_T7) l.ori r3,r3,lo (_T7) l.mtspr r0,r3,32 l.mfspr r5,r0,17 l.mtspr r0,r5,64 l.rfe l.addi r8,r8,1 /* l.rfe should not have a delay slot */ l.addi r8,r8,1 _T7: REPORT_REG_TO_CONSOLE r8 /* Should be 0x000000009 */ l.lwz r9,0(r31) l.add r8,r9,r8 l.sw 0(r31),r8 l.lwz r9,0(r31) l.movhi r3,0x4c69 l.ori r3,r3,0xe5f7 l.add r8,r8,r3 REPORT_REG_TO_CONSOLE r8 /* Should be 0xdeaddead */ /* Test l.movhi, on 32-bit implementations it should not sign-extend anything. */ l.movhi r3, -1 REPORT_REG_TO_CONSOLE r3 /* Test l.cmov */ LOAD_IMMEDIATE r14, 0x12345678 LOAD_IMMEDIATE r15, 0xABCDF0BD SET_SPR_SR_FLAGS SPR_SR_F, r6, r7 l.cmov r10, r14, r15 CLEAR_SPR_SR_FLAGS SPR_SR_F, r6, r7 l.cmov r11, r14, r15 REPORT_REG_TO_CONSOLE r10 REPORT_REG_TO_CONSOLE r11 POP LINK_REGISTER_R9 RETURN_TO_LINK_REGISTER_R9