| /* |
| * Copyright © 2014 Intel Corporation |
| * |
| * 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 <stdlib.h> |
| |
| #include "brw_context.h" |
| #include "brw_inst.h" |
| #include "brw_eu.h" |
| |
| #include "gen_disasm.h" |
| |
| uint64_t INTEL_DEBUG; |
| |
| struct gen_disasm { |
| struct brw_device_info devinfo; |
| }; |
| |
| void |
| gen_disasm_disassemble(struct gen_disasm *disasm, void *assembly, int start, int end, FILE *out) |
| { |
| struct brw_device_info *devinfo = &disasm->devinfo; |
| bool dump_hex = false; |
| |
| for (int offset = start; offset < end;) { |
| brw_inst *insn = assembly + offset; |
| brw_inst uncompacted; |
| bool compacted = brw_inst_cmpt_control(devinfo, insn); |
| if (0) |
| fprintf(out, "0x%08x: ", offset); |
| |
| if (compacted) { |
| brw_compact_inst *compacted = (void *)insn; |
| if (dump_hex) { |
| fprintf(out, "0x%08x 0x%08x ", |
| ((uint32_t *)insn)[1], |
| ((uint32_t *)insn)[0]); |
| } |
| |
| brw_uncompact_instruction(devinfo, &uncompacted, compacted); |
| insn = &uncompacted; |
| offset += 8; |
| } else { |
| if (dump_hex) { |
| fprintf(out, "0x%08x 0x%08x 0x%08x 0x%08x ", |
| ((uint32_t *)insn)[3], |
| ((uint32_t *)insn)[2], |
| ((uint32_t *)insn)[1], |
| ((uint32_t *)insn)[0]); |
| } |
| offset += 16; |
| } |
| |
| brw_disassemble_inst(out, devinfo, insn, compacted); |
| |
| /* Simplistic, but efficient way to terminate disasm */ |
| if (brw_inst_opcode(devinfo, insn) == BRW_OPCODE_SEND || |
| brw_inst_opcode(devinfo, insn) == BRW_OPCODE_SENDC) |
| if (brw_inst_eot(devinfo, insn)) |
| break; |
| if (brw_inst_opcode(devinfo, insn) == 0) |
| break; |
| |
| } |
| } |
| |
| struct gen_disasm * |
| gen_disasm_create(int pciid) |
| { |
| struct gen_disasm *gd; |
| const struct brw_device_info *dev_info = NULL; |
| |
| gd = malloc(sizeof *gd); |
| if (gd == NULL) |
| return NULL; |
| |
| dev_info = brw_get_device_info(pciid); |
| |
| gd->devinfo.gen = dev_info->gen; |
| gd->devinfo.is_cherryview = dev_info->is_cherryview; |
| gd->devinfo.is_g4x = dev_info->is_g4x; |
| |
| brw_init_compaction_tables(&gd->devinfo); |
| |
| return gd; |
| } |
| |
| void |
| gen_disasm_destroy(struct gen_disasm *disasm) |
| { |
| free(disasm); |
| } |