| /* |
| * Copyright © 2016 Broadcom |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include "util/macros.h" |
| #include "util/ralloc.h" |
| #include "broadcom/common/v3d_device_info.h" |
| #include "broadcom/qpu/qpu_disasm.h" |
| #include "broadcom/qpu/qpu_instr.h" |
| |
| static const struct { |
| int ver; |
| uint64_t inst; |
| const char *expected; |
| } tests[] = { |
| { 33, 0x3d003186bb800000ull, "nop ; nop ; ldvary" }, |
| { 33, 0x3c20318105829000ull, "fadd r1, r1, r5 ; nop ; thrsw" }, |
| { 33, 0x3c403186bb81d000ull, "vpmsetup -, r5 ; nop ; ldunif" }, |
| { 33, 0x3f003186bb800000ull, "nop ; nop ; ldvpm" }, |
| { 33, 0x3c002380b6edb000ull, "or rf0, r3, r3 ; mov vpm, r3" }, |
| { 33, 0x57403006bbb80000ull, "nop ; fmul r0, rf0, r5 ; ldvpm; ldunif" }, |
| { 33, 0x9c094adef634b000ull, "ffloor.ifb rf30.l, r3 ; fmul.pushz rf43.l, r5, r1.h" }, |
| { 33, 0xb0044c56ba326840ull, "flpop rf22, rf33 ; fmul.pushz rf49.l, r4.h, r1.abs" }, |
| |
| /* vfmul input packing */ |
| { 33, 0x101e8b6e8aad4000ull, "fmax.nornn rf46, r4.l, r2.l ; vfmul.ifnb rf45, r3, r5" }, |
| { 33, 0x1857d3c219825000ull, "faddnf.norc r2.l, r5.l, r4 ; vfmul.ifb rf15, r0.ll, r4 ; ldunif" }, |
| { 33, 0x1c0a0dfde2294000ull, "fcmp.ifna rf61.h, r4.abs, r2.l; vfmul rf55, r2.hh, r1" }, |
| { 33, 0x2011c89b402cc000ull, "fsub.norz rf27, r4.abs, r1.abs; vfmul.ifa rf34, r3.swp, r1" }, |
| |
| { 33, 0xe01b42ab3bb063c0ull, "vfpack.andnc rf43, rf15.l, r0.h; fmul.ifna rf10.h, r4.l, r5.abs" }, |
| { 33, 0x600b8b87fb4d1000ull, "fdx.ifnb rf7.h, r1.l ; fmul.pushn rf46, r3.l, r2.abs" }, |
| |
| /* small immediates */ |
| { 33, 0x5de24398bbdc6218ull, "vflb.andnn rf24 ; fmul rf14, -8, rf8.h" }, |
| { 33, 0x25ef83d8b166f00full, "vfmin.pushn rf24, 15.ff, r5 ; smul24.ifnb rf15, r1, r3" }, |
| { 33, 0xadedcdf70839f990ull, "faddnf.pushc rf55, -16.l, r3.abs; fmul.ifb rf55.l, rf38.l, r1.h" }, |
| { 33, 0x7dff89fa6a01f020ull, "fsub.nornc rf58.h, 0x3b800000.l, r3.l; fmul.ifnb rf39, r0.h, r0.h" }, |
| |
| /* branch conditions */ |
| { 33, 0x02000006002034c0ull, "b.anyap rf19" }, |
| { 33, 0x02679356b4201000ull, "b.anyap -1268280496" }, |
| { 33, 0x02b76a2dd0400000ull, "b.anynaq zero_addr+0xd0b76a28" }, |
| { 33, 0x0200000500402000ull, "b.anynaq lri" }, |
| { 33, 0x0216fe167301c8c0ull, "bu.anya zero_addr+0x7316fe10, rf35" }, |
| { 33, 0x020000050040e000ull, "bu.anynaq lri, r:unif" }, |
| { 33, 0x0200000300006000ull, "bu.na0 lri, a:unif" }, |
| |
| /* Special waddr names */ |
| { 33, 0x3c00318735808000ull, "vfpack tlb, r0, r1 ; nop" }, |
| { 33, 0xe0571c938e8d5000ull, "fmax.andc recip, r5.h, r2.l ; fmul.ifb rf50.h, r3.l, r4.abs; ldunif" }, |
| { 33, 0xc04098d4382c9000ull, "add.pushn rsqrt, r1, r1 ; fmul rf35.h, r3.abs, r1.abs ; ldunif" }, |
| { 33, 0x481edcd6b3184500ull, "vfmin.norn log, r4.hh, r0 ; fmul.ifnb rf51, rf20.abs, r0.l" }, |
| { 33, 0x041618d57c453000ull, "shl.andn exp, r3, r2 ; add.ifb rf35, r1, r2" }, |
| { 33, 0x7048e5da49272800ull, "fsub.ifa rf26, r2.l, rf32 ; fmul.pushc sin, r1.h, r1.abs; ldunif" }, |
| |
| /* v4.1 signals */ |
| { 41, 0x1f010520cf60a000ull, "fcmp.andz rf32, r2.h, r1.h ; vfmul rf20, r0.hh, r3 ; ldunifa" }, |
| { 41, 0x932045e6c16ea000ull, "fcmp rf38, r2.abs, r5 ; fmul rf23.l, r3, r3.abs ; ldunifarf.rf1" }, |
| { 41, 0xd72f0434e43ae5c0ull, "fcmp rf52.h, rf23, r5.abs ; fmul rf16.h, rf23, r1 ; ldunifarf.rf60" }, |
| { 41, 0xdb3048eb9d533780ull, "fmax rf43.l, r3.h, rf30 ; fmul rf35.h, r4, r2.l ; ldunifarf.r1" }, |
| { 41, 0x733620471e6ce700ull, "faddnf rf7.l, rf28.h, r1.l ; fmul r1, r3.h, r3.abs ; ldunifarf.rsqrt2" }, |
| { 41, 0x9c094adef634b000ull, "ffloor.ifb rf30.l, r3 ; fmul.pushz rf43.l, r5, r1.h" }, |
| |
| /* v4.1 opcodes */ |
| { 41, 0x3de020c7bdfd200dull, "ldvpmg_in rf7, r2, r2 ; mov r3, 13" }, |
| { 41, 0x3de02040f8ff7201ull, "stvpmv 1, rf8 ; mov r1, 1" }, |
| { 41, 0xd8000e50bb2d3000ull, "sampid rf16 ; fmul rf57.h, r3, r1.l" }, |
| |
| /* v4.1 SFU instructions. */ |
| { 41, 0xe98d60c1ba2aef80ull, "recip rf1, rf62 ; fmul r3.h, r2.l, r1.l ; ldunifrf.rf53" }, |
| { 41, 0x7d87c2debc51c000ull, "rsqrt rf30, r4 ; fmul rf11, r4.h, r2.h ; ldunifrf.rf31" }, |
| { 41, 0xb182475abc2bb000ull, "rsqrt2 rf26, r3 ; fmul rf29.l, r2.h, r1.abs ; ldunifrf.rf9" }, |
| { 41, 0x79880808bc0b6900ull, "sin rf8, rf36 ; fmul rf32, r2.h, r0.l ; ldunifrf.rf32" }, |
| { 41, 0x04092094bc5a28c0ull, "exp.ifb rf20, r2 ; add r2, rf35, r2" }, |
| { 41, 0xe00648bfbc32a000ull, "log rf63, r2 ; fmul.andnn rf34.h, r4.l, r1.abs" }, |
| |
| /* v4.2 changes */ |
| { 42, 0x3c203192bb814000ull, "barrierid syncb ; nop ; thrsw" }, |
| }; |
| |
| static void |
| swap_mux(enum v3d_qpu_mux *a, enum v3d_qpu_mux *b) |
| { |
| enum v3d_qpu_mux t = *a; |
| *a = *b; |
| *b = t; |
| } |
| |
| static void |
| swap_pack(enum v3d_qpu_input_unpack *a, enum v3d_qpu_input_unpack *b) |
| { |
| enum v3d_qpu_input_unpack t = *a; |
| *a = *b; |
| *b = t; |
| } |
| |
| int |
| main(int argc, char **argv) |
| { |
| struct v3d_device_info devinfo = { }; |
| int retval = 0; |
| |
| for (int i = 0; i < ARRAY_SIZE(tests); i++) { |
| devinfo.ver = tests[i].ver; |
| |
| printf("Testing v%d.%d 0x%016llx (\"%s\")... ", |
| devinfo.ver / 10, devinfo.ver % 10, |
| (long long)tests[i].inst, |
| tests[i].expected); |
| |
| const char *disasm_output = v3d_qpu_disasm(&devinfo, |
| tests[i].inst); |
| |
| printf("%s\n", disasm_output); |
| |
| if (strcmp(disasm_output, tests[i].expected) != 0) { |
| printf("FAIL\n"); |
| printf(" Expected: \"%s\"\n", tests[i].expected); |
| printf(" Got: \"%s\"\n", disasm_output); |
| retval = 1; |
| continue; |
| } |
| ralloc_free((void *)disasm_output); |
| |
| struct v3d_qpu_instr instr; |
| if (!v3d_qpu_instr_unpack(&devinfo, tests[i].inst, &instr)) { |
| printf("FAIL (unpack) %s\n", tests[i].expected); |
| retval = 1; |
| continue; |
| } |
| |
| if (instr.type == V3D_QPU_INSTR_TYPE_ALU) { |
| switch (instr.alu.add.op) { |
| case V3D_QPU_A_FADD: |
| case V3D_QPU_A_FADDNF: |
| case V3D_QPU_A_FMIN: |
| case V3D_QPU_A_FMAX: |
| /* Swap the operands to be sure that we test |
| * how the QPUs distinguish between these ops. |
| */ |
| swap_mux(&instr.alu.add.a, |
| &instr.alu.add.b); |
| swap_pack(&instr.alu.add.a_unpack, |
| &instr.alu.add.b_unpack); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| uint64_t repack; |
| if (!v3d_qpu_instr_pack(&devinfo, &instr, &repack)) { |
| printf("FAIL (pack) %s\n", tests[i].expected); |
| retval = 1; |
| continue; |
| } |
| |
| if (repack != tests[i].inst) { |
| printf("FAIL (repack) 0x%016llx\n", (long long)repack); |
| printf(" Expected: \"%s\"\n", tests[i].expected); |
| const char *redisasm = v3d_qpu_disasm(&devinfo, repack); |
| printf(" Got: \"%s\"\n", redisasm); |
| retval = 1; |
| ralloc_free((void *)redisasm); |
| } |
| |
| printf("PASS\n"); |
| } |
| |
| return retval; |
| } |
