| /* |
| * Copyright © 2016 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 <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <getopt.h> |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <inttypes.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/wait.h> |
| #include <sys/mman.h> |
| |
| #include "util/macros.h" |
| |
| #include "decoder.h" |
| #include "intel_aub.h" |
| #include "gen_disasm.h" |
| |
| /* Below is the only command missing from intel_aub.h in libdrm |
| * So, reuse intel_aub.h from libdrm and #define the |
| * AUB_MI_BATCH_BUFFER_END as below |
| */ |
| #define AUB_MI_BATCH_BUFFER_END (0x0500 << 16) |
| |
| #define CSI "\e[" |
| #define BLUE_HEADER CSI "0;44m" |
| #define GREEN_HEADER CSI "1;42m" |
| #define NORMAL CSI "0m" |
| |
| /* options */ |
| |
| static bool option_full_decode = true; |
| static bool option_print_offsets = true; |
| static enum { COLOR_AUTO, COLOR_ALWAYS, COLOR_NEVER } option_color; |
| |
| /* state */ |
| |
| uint16_t pci_id = 0; |
| char *input_file = NULL, *xml_path = NULL; |
| struct gen_spec *spec; |
| struct gen_disasm *disasm; |
| |
| uint64_t gtt_size, gtt_end; |
| void *gtt; |
| uint64_t general_state_base; |
| uint64_t surface_state_base; |
| uint64_t dynamic_state_base; |
| uint64_t instruction_base; |
| uint64_t instruction_bound; |
| |
| static inline uint32_t |
| field(uint32_t value, int start, int end) |
| { |
| uint32_t mask; |
| |
| mask = ~0U >> (31 - end + start); |
| |
| return (value >> start) & mask; |
| } |
| |
| struct brw_instruction; |
| |
| static inline int |
| valid_offset(uint32_t offset) |
| { |
| return offset < gtt_end; |
| } |
| |
| static void |
| print_dword_val(struct gen_field_iterator *iter, uint64_t offset, |
| int *dword_num) |
| { |
| struct gen_field *f; |
| |
| f = iter->group->fields[iter->i - 1]; |
| const int dword = f->start / 32; |
| |
| if (*dword_num != dword) { |
| printf("0x%08"PRIx64": 0x%08x : Dword %d\n", |
| offset + 4 * dword, iter->p[dword], dword); |
| *dword_num = dword; |
| } |
| } |
| |
| static char * |
| print_iterator_values(struct gen_field_iterator *iter, int *idx) |
| { |
| char *token = NULL; |
| if (strstr(iter->value, "struct") == NULL) { |
| if (strlen(iter->description) > 0) { |
| printf(" %s: %s (%s)\n", |
| iter->name, iter->value, iter->description); |
| } else { |
| printf(" %s: %s\n", iter->name, iter->value); |
| } |
| } else { |
| token = strtok(iter->value, " "); |
| if (token != NULL) { |
| token = strtok(NULL, " "); |
| *idx = atoi(strtok(NULL, ">")); |
| } else { |
| token = NULL; |
| } |
| printf(" %s:<struct %s>\n", iter->name, token); |
| } |
| return token; |
| } |
| |
| static void |
| decode_structure(struct gen_spec *spec, struct gen_group *strct, |
| const uint32_t *p) |
| { |
| struct gen_field_iterator iter; |
| char *token = NULL; |
| int idx = 0, dword_num = 0; |
| uint64_t offset = 0; |
| |
| if (option_print_offsets) |
| offset = (void *) p - gtt; |
| else |
| offset = 0; |
| |
| gen_field_iterator_init(&iter, strct, p, |
| option_color == COLOR_ALWAYS); |
| while (gen_field_iterator_next(&iter)) { |
| idx = 0; |
| print_dword_val(&iter, offset, &dword_num); |
| token = print_iterator_values(&iter, &idx); |
| if (token != NULL) { |
| struct gen_group *struct_val = gen_spec_find_struct(spec, token); |
| decode_structure(spec, struct_val, &p[idx]); |
| token = NULL; |
| } |
| } |
| } |
| |
| static void |
| handle_struct_decode(struct gen_spec *spec, char *struct_name, uint32_t *p) |
| { |
| if (struct_name == NULL) |
| return; |
| struct gen_group *struct_val = gen_spec_find_struct(spec, struct_name); |
| decode_structure(spec, struct_val, p); |
| } |
| |
| static void |
| dump_binding_table(struct gen_spec *spec, uint32_t offset) |
| { |
| uint32_t *pointers, i; |
| uint64_t start; |
| struct gen_group *surface_state; |
| |
| surface_state = gen_spec_find_struct(spec, "RENDER_SURFACE_STATE"); |
| if (surface_state == NULL) { |
| printf("did not find RENDER_SURFACE_STATE info\n"); |
| return; |
| } |
| |
| start = surface_state_base + offset; |
| pointers = gtt + start; |
| for (i = 0; i < 16; i++) { |
| if (pointers[i] == 0) |
| continue; |
| start = pointers[i] + surface_state_base; |
| if (!valid_offset(start)) { |
| printf("pointer %u: %08x <not valid>\n", |
| i, pointers[i]); |
| continue; |
| } else { |
| printf("pointer %u: %08x\n", i, pointers[i]); |
| } |
| |
| decode_structure(spec, surface_state, gtt + start); |
| } |
| } |
| |
| static void |
| handle_3dstate_index_buffer(struct gen_spec *spec, uint32_t *p) |
| { |
| void *start; |
| uint32_t length, i, type, size; |
| |
| start = gtt + p[2]; |
| type = (p[1] >> 8) & 3; |
| size = 1 << type; |
| length = p[4] / size; |
| if (length > 10) |
| length = 10; |
| |
| printf("\t"); |
| |
| for (i = 0; i < length; i++) { |
| switch (type) { |
| case 0: |
| printf("%3d ", ((uint8_t *)start)[i]); |
| break; |
| case 1: |
| printf("%3d ", ((uint16_t *)start)[i]); |
| break; |
| case 2: |
| printf("%3d ", ((uint32_t *)start)[i]); |
| break; |
| } |
| } |
| if (length < p[4] / size) |
| printf("...\n"); |
| else |
| printf("\n"); |
| } |
| |
| static inline uint64_t |
| get_address(struct gen_spec *spec, uint32_t *p) |
| { |
| /* Addresses are always guaranteed to be page-aligned and sometimes |
| * hardware packets have extra stuff stuffed in the bottom 12 bits. |
| */ |
| uint64_t addr = p[0] & ~0xfffu; |
| |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8,0)) { |
| /* On Broadwell and above, we have 48-bit addresses which consume two |
| * dwords. Some packets require that these get stored in a "canonical |
| * form" which means that bit 47 is sign-extended through the upper |
| * bits. In order to correctly handle those aub dumps, we need to mask |
| * off the top 16 bits. |
| */ |
| addr |= ((uint64_t)p[1] & 0xffff) << 32; |
| } |
| |
| return addr; |
| } |
| |
| static inline uint64_t |
| get_offset(uint32_t *p, uint32_t start, uint32_t end) |
| { |
| assert(start <= end); |
| assert(end < 64); |
| |
| uint64_t mask = (~0ull >> (64 - (end - start + 1))) << start; |
| |
| uint64_t offset = p[0]; |
| if (end >= 32) |
| offset |= (uint64_t) p[1] << 32; |
| |
| return offset & mask; |
| } |
| |
| static void |
| handle_state_base_address(struct gen_spec *spec, uint32_t *p) |
| { |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8,0)) { |
| if (p[1] & 1) |
| general_state_base = get_address(spec, &p[1]); |
| if (p[4] & 1) |
| surface_state_base = get_address(spec, &p[4]); |
| if (p[6] & 1) |
| dynamic_state_base = get_address(spec, &p[6]); |
| if (p[10] & 1) |
| instruction_base = get_address(spec, &p[10]); |
| if (p[15] & 1) |
| instruction_bound = p[15] & 0xfff; |
| } else { |
| if (p[2] & 1) |
| surface_state_base = get_address(spec, &p[2]); |
| if (p[3] & 1) |
| dynamic_state_base = get_address(spec, &p[3]); |
| if (p[5] & 1) |
| instruction_base = get_address(spec, &p[5]); |
| if (p[9] & 1) |
| instruction_bound = get_address(spec, &p[9]); |
| } |
| } |
| |
| static void |
| dump_samplers(struct gen_spec *spec, uint32_t offset) |
| { |
| uint32_t i; |
| uint64_t start; |
| struct gen_group *sampler_state; |
| |
| sampler_state = gen_spec_find_struct(spec, "SAMPLER_STATE"); |
| |
| start = dynamic_state_base + offset; |
| for (i = 0; i < 4; i++) { |
| printf("sampler state %d\n", i); |
| decode_structure(spec, sampler_state, gtt + start + i * 16); |
| } |
| } |
| |
| static void |
| handle_media_interface_descriptor_load(struct gen_spec *spec, uint32_t *p) |
| { |
| int i, length = p[2] / 32; |
| struct gen_group *descriptor_structure; |
| uint32_t *descriptors; |
| uint64_t start; |
| struct brw_instruction *insns; |
| |
| descriptor_structure = |
| gen_spec_find_struct(spec, "INTERFACE_DESCRIPTOR_DATA"); |
| if (descriptor_structure == NULL) { |
| printf("did not find INTERFACE_DESCRIPTOR_DATA info\n"); |
| return; |
| } |
| |
| start = dynamic_state_base + p[3]; |
| descriptors = gtt + start; |
| for (i = 0; i < length; i++, descriptors += 8) { |
| printf("descriptor %u: %08x\n", i, *descriptors); |
| decode_structure(spec, descriptor_structure, descriptors); |
| |
| start = instruction_base + descriptors[0]; |
| if (!valid_offset(start)) { |
| printf("kernel: %08"PRIx64" <not valid>\n", start); |
| continue; |
| } else { |
| printf("kernel: %08"PRIx64"\n", start); |
| } |
| |
| insns = (struct brw_instruction *) (gtt + start); |
| gen_disasm_disassemble(disasm, insns, 0, stdout); |
| |
| dump_samplers(spec, descriptors[3] & ~0x1f); |
| dump_binding_table(spec, descriptors[4] & ~0x1f); |
| } |
| } |
| |
| /* Heuristic to determine whether a uint32_t is probably actually a float |
| * (http://stackoverflow.com/a/2953466) |
| */ |
| |
| static bool |
| probably_float(uint32_t bits) |
| { |
| int exp = ((bits & 0x7f800000U) >> 23) - 127; |
| uint32_t mant = bits & 0x007fffff; |
| |
| /* +- 0.0 */ |
| if (exp == -127 && mant == 0) |
| return true; |
| |
| /* +- 1 billionth to 1 billion */ |
| if (-30 <= exp && exp <= 30) |
| return true; |
| |
| /* some value with only a few binary digits */ |
| if ((mant & 0x0000ffff) == 0) |
| return true; |
| |
| return false; |
| } |
| |
| static void |
| handle_3dstate_vertex_buffers(struct gen_spec *spec, uint32_t *p) |
| { |
| uint32_t *end, *s, *dw, *dwend; |
| uint64_t offset; |
| int n, i, count, stride; |
| |
| end = (p[0] & 0xff) + p + 2; |
| for (s = &p[1], n = 0; s < end; s += 4, n++) { |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) { |
| offset = *(uint64_t *) &s[1]; |
| dwend = gtt + offset + s[3]; |
| } else { |
| offset = s[1]; |
| dwend = gtt + s[2] + 1; |
| } |
| |
| stride = field(s[0], 0, 11); |
| count = 0; |
| printf("vertex buffer %d, size %d\n", n, s[3]); |
| for (dw = gtt + offset, i = 0; dw < dwend && i < 256; dw++) { |
| if (count == 0 && count % (8 * 4) == 0) |
| printf(" "); |
| |
| if (probably_float(*dw)) |
| printf(" %8.2f", *(float *) dw); |
| else |
| printf(" 0x%08x", *dw); |
| |
| i++; |
| count += 4; |
| |
| if (count == stride) { |
| printf("\n"); |
| count = 0; |
| } else if (count % (8 * 4) == 0) { |
| printf("\n"); |
| } else { |
| printf(" "); |
| } |
| } |
| if (count > 0 && count % (8 * 4) != 0) |
| printf("\n"); |
| } |
| } |
| |
| static void |
| handle_3dstate_vs(struct gen_spec *spec, uint32_t *p) |
| { |
| uint64_t start; |
| struct brw_instruction *insns; |
| int vs_enable; |
| |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) { |
| start = get_offset(&p[1], 6, 63); |
| vs_enable = p[7] & 1; |
| } else { |
| start = get_offset(&p[1], 6, 31); |
| vs_enable = p[5] & 1; |
| } |
| |
| if (vs_enable) { |
| printf("instruction_base %08"PRIx64", start %08"PRIx64"\n", |
| instruction_base, start); |
| |
| insns = (struct brw_instruction *) (gtt + instruction_base + start); |
| gen_disasm_disassemble(disasm, insns, 0, stdout); |
| } |
| } |
| |
| static void |
| handle_3dstate_hs(struct gen_spec *spec, uint32_t *p) |
| { |
| uint64_t start; |
| struct brw_instruction *insns; |
| int hs_enable; |
| |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) { |
| start = get_offset(&p[3], 6, 63); |
| } else { |
| start = get_offset(&p[3], 6, 31); |
| } |
| |
| hs_enable = p[2] & 0x80000000; |
| |
| if (hs_enable) { |
| printf("instruction_base %08"PRIx64", start %08"PRIx64"\n", |
| instruction_base, start); |
| |
| insns = (struct brw_instruction *) (gtt + instruction_base + start); |
| gen_disasm_disassemble(disasm, insns, 0, stdout); |
| } |
| } |
| |
| static void |
| handle_3dstate_constant(struct gen_spec *spec, uint32_t *p) |
| { |
| int i, j, length; |
| uint32_t *dw; |
| float *f; |
| |
| for (i = 0; i < 4; i++) { |
| length = (p[1 + i / 2] >> (i & 1) * 16) & 0xffff; |
| f = (float *) (gtt + p[3 + i * 2] + dynamic_state_base); |
| dw = (uint32_t *) f; |
| for (j = 0; j < length * 8; j++) { |
| if (probably_float(dw[j])) |
| printf(" %04.3f", f[j]); |
| else |
| printf(" 0x%08x", dw[j]); |
| |
| if ((j & 7) == 7) |
| printf("\n"); |
| } |
| } |
| } |
| |
| static void |
| handle_3dstate_ps(struct gen_spec *spec, uint32_t *p) |
| { |
| uint32_t mask = ~((1 << 6) - 1); |
| uint64_t start; |
| struct brw_instruction *insns; |
| static const char unused[] = "unused"; |
| static const char *pixel_type[3] = {"8 pixel", "16 pixel", "32 pixel"}; |
| const char *k0, *k1, *k2; |
| uint32_t k_mask, k1_offset, k2_offset; |
| |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) { |
| k_mask = p[6] & 7; |
| k1_offset = 8; |
| k2_offset = 10; |
| } else { |
| k_mask = p[4] & 7; |
| k1_offset = 6; |
| k2_offset = 7; |
| } |
| |
| #define DISPATCH_8 1 |
| #define DISPATCH_16 2 |
| #define DISPATCH_32 4 |
| |
| switch (k_mask) { |
| case DISPATCH_8: |
| k0 = pixel_type[0]; |
| k1 = unused; |
| k2 = unused; |
| break; |
| case DISPATCH_16: |
| k0 = pixel_type[1]; |
| k1 = unused; |
| k2 = unused; |
| break; |
| case DISPATCH_8 | DISPATCH_16: |
| k0 = pixel_type[0]; |
| k1 = unused; |
| k2 = pixel_type[1]; |
| break; |
| case DISPATCH_32: |
| k0 = pixel_type[2]; |
| k1 = unused; |
| k2 = unused; |
| break; |
| case DISPATCH_16 | DISPATCH_32: |
| k0 = unused; |
| k1 = pixel_type[2]; |
| k2 = pixel_type[1]; |
| break; |
| case DISPATCH_8 | DISPATCH_16 | DISPATCH_32: |
| k0 = pixel_type[0]; |
| k1 = pixel_type[2]; |
| k2 = pixel_type[1]; |
| break; |
| default: |
| k0 = unused; |
| k1 = unused; |
| k2 = unused; |
| break; |
| } |
| |
| start = instruction_base + (p[1] & mask); |
| printf(" Kernel[0] %s\n", k0); |
| if (k0 != unused) { |
| insns = (struct brw_instruction *) (gtt + start); |
| gen_disasm_disassemble(disasm, insns, 0, stdout); |
| } |
| |
| start = instruction_base + (p[k1_offset] & mask); |
| printf(" Kernel[1] %s\n", k1); |
| if (k1 != unused) { |
| insns = (struct brw_instruction *) (gtt + start); |
| gen_disasm_disassemble(disasm, insns, 0, stdout); |
| } |
| |
| start = instruction_base + (p[k2_offset] & mask); |
| printf(" Kernel[2] %s\n", k2); |
| if (k2 != unused) { |
| insns = (struct brw_instruction *) (gtt + start); |
| gen_disasm_disassemble(disasm, insns, 0, stdout); |
| } |
| } |
| |
| static void |
| handle_3dstate_binding_table_pointers(struct gen_spec *spec, uint32_t *p) |
| { |
| dump_binding_table(spec, p[1]); |
| } |
| |
| static void |
| handle_3dstate_sampler_state_pointers(struct gen_spec *spec, uint32_t *p) |
| { |
| dump_samplers(spec, p[1]); |
| } |
| |
| static void |
| handle_3dstate_viewport_state_pointers_cc(struct gen_spec *spec, uint32_t *p) |
| { |
| uint64_t start; |
| struct gen_group *cc_viewport; |
| |
| cc_viewport = gen_spec_find_struct(spec, "CC_VIEWPORT"); |
| |
| start = dynamic_state_base + (p[1] & ~0x1fu); |
| for (uint32_t i = 0; i < 4; i++) { |
| printf("viewport %d\n", i); |
| decode_structure(spec, cc_viewport, gtt + start + i * 8); |
| } |
| } |
| |
| static void |
| handle_3dstate_viewport_state_pointers_sf_clip(struct gen_spec *spec, |
| uint32_t *p) |
| { |
| uint64_t start; |
| struct gen_group *sf_clip_viewport; |
| |
| sf_clip_viewport = gen_spec_find_struct(spec, "SF_CLIP_VIEWPORT"); |
| |
| start = dynamic_state_base + (p[1] & ~0x3fu); |
| for (uint32_t i = 0; i < 4; i++) { |
| printf("viewport %d\n", i); |
| decode_structure(spec, sf_clip_viewport, gtt + start + i * 64); |
| } |
| } |
| |
| static void |
| handle_3dstate_blend_state_pointers(struct gen_spec *spec, uint32_t *p) |
| { |
| uint64_t start; |
| struct gen_group *blend_state; |
| |
| blend_state = gen_spec_find_struct(spec, "BLEND_STATE"); |
| |
| start = dynamic_state_base + (p[1] & ~0x3fu); |
| decode_structure(spec, blend_state, gtt + start); |
| } |
| |
| static void |
| handle_3dstate_cc_state_pointers(struct gen_spec *spec, uint32_t *p) |
| { |
| uint64_t start; |
| struct gen_group *cc_state; |
| |
| cc_state = gen_spec_find_struct(spec, "COLOR_CALC_STATE"); |
| |
| start = dynamic_state_base + (p[1] & ~0x3fu); |
| decode_structure(spec, cc_state, gtt + start); |
| } |
| |
| static void |
| handle_3dstate_scissor_state_pointers(struct gen_spec *spec, uint32_t *p) |
| { |
| uint64_t start; |
| struct gen_group *scissor_rect; |
| |
| scissor_rect = gen_spec_find_struct(spec, "SCISSOR_RECT"); |
| |
| start = dynamic_state_base + (p[1] & ~0x1fu); |
| decode_structure(spec, scissor_rect, gtt + start); |
| } |
| |
| static void |
| handle_load_register_imm(struct gen_spec *spec, uint32_t *p) |
| { |
| struct gen_group *reg = gen_spec_find_register(spec, p[1]); |
| |
| if (reg != NULL) { |
| printf("register %s (0x%x): 0x%x\n", |
| reg->name, reg->register_offset, p[2]); |
| decode_structure(spec, reg, &p[2]); |
| } |
| } |
| |
| #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0]) |
| |
| #define STATE_BASE_ADDRESS 0x61010000 |
| |
| #define MEDIA_INTERFACE_DESCRIPTOR_LOAD 0x70020000 |
| |
| #define _3DSTATE_INDEX_BUFFER 0x780a0000 |
| #define _3DSTATE_VERTEX_BUFFERS 0x78080000 |
| |
| #define _3DSTATE_VS 0x78100000 |
| #define _3DSTATE_GS 0x78110000 |
| #define _3DSTATE_HS 0x781b0000 |
| #define _3DSTATE_DS 0x781d0000 |
| |
| #define _3DSTATE_CONSTANT_VS 0x78150000 |
| #define _3DSTATE_CONSTANT_GS 0x78160000 |
| #define _3DSTATE_CONSTANT_PS 0x78170000 |
| #define _3DSTATE_CONSTANT_HS 0x78190000 |
| #define _3DSTATE_CONSTANT_DS 0x781A0000 |
| |
| #define _3DSTATE_PS 0x78200000 |
| |
| #define _3DSTATE_BINDING_TABLE_POINTERS_VS 0x78260000 |
| #define _3DSTATE_BINDING_TABLE_POINTERS_HS 0x78270000 |
| #define _3DSTATE_BINDING_TABLE_POINTERS_DS 0x78280000 |
| #define _3DSTATE_BINDING_TABLE_POINTERS_GS 0x78290000 |
| #define _3DSTATE_BINDING_TABLE_POINTERS_PS 0x782a0000 |
| |
| #define _3DSTATE_SAMPLER_STATE_POINTERS_VS 0x782b0000 |
| #define _3DSTATE_SAMPLER_STATE_POINTERS_GS 0x782e0000 |
| #define _3DSTATE_SAMPLER_STATE_POINTERS_PS 0x782f0000 |
| |
| #define _3DSTATE_VIEWPORT_STATE_POINTERS_CC 0x78230000 |
| #define _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP 0x78210000 |
| #define _3DSTATE_BLEND_STATE_POINTERS 0x78240000 |
| #define _3DSTATE_CC_STATE_POINTERS 0x780e0000 |
| #define _3DSTATE_SCISSOR_STATE_POINTERS 0x780f0000 |
| |
| #define _MI_LOAD_REGISTER_IMM 0x11000000 |
| |
| struct custom_handler { |
| uint32_t opcode; |
| void (*handle)(struct gen_spec *spec, uint32_t *p); |
| } custom_handlers[] = { |
| { STATE_BASE_ADDRESS, handle_state_base_address }, |
| { MEDIA_INTERFACE_DESCRIPTOR_LOAD, handle_media_interface_descriptor_load }, |
| { _3DSTATE_VERTEX_BUFFERS, handle_3dstate_vertex_buffers }, |
| { _3DSTATE_INDEX_BUFFER, handle_3dstate_index_buffer }, |
| { _3DSTATE_VS, handle_3dstate_vs }, |
| { _3DSTATE_GS, handle_3dstate_vs }, |
| { _3DSTATE_DS, handle_3dstate_vs }, |
| { _3DSTATE_HS, handle_3dstate_hs }, |
| { _3DSTATE_CONSTANT_VS, handle_3dstate_constant }, |
| { _3DSTATE_CONSTANT_GS, handle_3dstate_constant }, |
| { _3DSTATE_CONSTANT_PS, handle_3dstate_constant }, |
| { _3DSTATE_CONSTANT_HS, handle_3dstate_constant }, |
| { _3DSTATE_CONSTANT_DS, handle_3dstate_constant }, |
| { _3DSTATE_PS, handle_3dstate_ps }, |
| |
| { _3DSTATE_BINDING_TABLE_POINTERS_VS, handle_3dstate_binding_table_pointers }, |
| { _3DSTATE_BINDING_TABLE_POINTERS_HS, handle_3dstate_binding_table_pointers }, |
| { _3DSTATE_BINDING_TABLE_POINTERS_DS, handle_3dstate_binding_table_pointers }, |
| { _3DSTATE_BINDING_TABLE_POINTERS_GS, handle_3dstate_binding_table_pointers }, |
| { _3DSTATE_BINDING_TABLE_POINTERS_PS, handle_3dstate_binding_table_pointers }, |
| |
| { _3DSTATE_SAMPLER_STATE_POINTERS_VS, handle_3dstate_sampler_state_pointers }, |
| { _3DSTATE_SAMPLER_STATE_POINTERS_GS, handle_3dstate_sampler_state_pointers }, |
| { _3DSTATE_SAMPLER_STATE_POINTERS_PS, handle_3dstate_sampler_state_pointers }, |
| |
| { _3DSTATE_VIEWPORT_STATE_POINTERS_CC, handle_3dstate_viewport_state_pointers_cc }, |
| { _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP, handle_3dstate_viewport_state_pointers_sf_clip }, |
| { _3DSTATE_BLEND_STATE_POINTERS, handle_3dstate_blend_state_pointers }, |
| { _3DSTATE_CC_STATE_POINTERS, handle_3dstate_cc_state_pointers }, |
| { _3DSTATE_SCISSOR_STATE_POINTERS, handle_3dstate_scissor_state_pointers }, |
| { _MI_LOAD_REGISTER_IMM, handle_load_register_imm } |
| }; |
| |
| static void |
| parse_commands(struct gen_spec *spec, uint32_t *cmds, int size, int engine) |
| { |
| uint32_t *p, *end = cmds + size / 4; |
| unsigned int length, i; |
| struct gen_group *inst; |
| |
| for (p = cmds; p < end; p += length) { |
| inst = gen_spec_find_instruction(spec, p); |
| if (inst == NULL) { |
| printf("unknown instruction %08x\n", p[0]); |
| length = (p[0] & 0xff) + 2; |
| continue; |
| } |
| length = gen_group_get_length(inst, p); |
| |
| const char *color, *reset_color = NORMAL; |
| uint64_t offset; |
| |
| if (option_full_decode) { |
| if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_START || |
| (p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_END) |
| color = GREEN_HEADER; |
| else |
| color = BLUE_HEADER; |
| } else |
| color = NORMAL; |
| |
| if (option_color == COLOR_NEVER) { |
| color = ""; |
| reset_color = ""; |
| } |
| |
| if (option_print_offsets) |
| offset = (void *) p - gtt; |
| else |
| offset = 0; |
| |
| printf("%s0x%08"PRIx64": 0x%08x: %-80s%s\n", |
| color, offset, p[0], |
| gen_group_get_name(inst), reset_color); |
| |
| if (option_full_decode) { |
| struct gen_field_iterator iter; |
| char *token = NULL; |
| int idx = 0, dword_num = 0; |
| gen_field_iterator_init(&iter, inst, p, |
| option_color == COLOR_ALWAYS); |
| while (gen_field_iterator_next(&iter)) { |
| idx = 0; |
| print_dword_val(&iter, offset, &dword_num); |
| if (dword_num > 0) |
| token = print_iterator_values(&iter, &idx); |
| if (token != NULL) { |
| printf("0x%08"PRIx64": 0x%08x : Dword %d\n", |
| offset + 4 * idx, p[idx], idx); |
| handle_struct_decode(spec,token, &p[idx]); |
| token = NULL; |
| } |
| } |
| |
| for (i = 0; i < ARRAY_LENGTH(custom_handlers); i++) { |
| if (gen_group_get_opcode(inst) == |
| custom_handlers[i].opcode) |
| custom_handlers[i].handle(spec, p); |
| } |
| } |
| |
| if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_START) { |
| uint64_t start = get_address(spec, &p[1]); |
| |
| if (p[0] & (1 << 22)) { |
| /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" set acts |
| * like a subroutine call. Commands that come afterwards get |
| * processed once the 2nd level batch buffer returns with |
| * MI_BATCH_BUFFER_END. |
| */ |
| parse_commands(spec, gtt + start, gtt_end - start, engine); |
| } else { |
| /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" unset acts |
| * like a goto. Nothing after it will ever get processed. In |
| * order to prevent the recursion from growing, we just reset the |
| * loop and continue; |
| */ |
| p = gtt + start; |
| /* We don't know where secondaries end so use the GTT end */ |
| end = gtt + gtt_end; |
| length = 0; |
| continue; |
| } |
| } else if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_END) { |
| break; |
| } |
| } |
| } |
| |
| #define GEN_ENGINE_RENDER 1 |
| #define GEN_ENGINE_BLITTER 2 |
| |
| static void |
| handle_trace_block(uint32_t *p) |
| { |
| int operation = p[1] & AUB_TRACE_OPERATION_MASK; |
| int type = p[1] & AUB_TRACE_TYPE_MASK; |
| int address_space = p[1] & AUB_TRACE_ADDRESS_SPACE_MASK; |
| uint64_t offset = p[3]; |
| uint32_t size = p[4]; |
| int header_length = p[0] & 0xffff; |
| uint32_t *data = p + header_length + 2; |
| int engine = GEN_ENGINE_RENDER; |
| |
| if (gen_spec_get_gen(spec) >= gen_make_gen(8,0)) |
| offset += (uint64_t) p[5] << 32; |
| |
| switch (operation) { |
| case AUB_TRACE_OP_DATA_WRITE: |
| if (address_space != AUB_TRACE_MEMTYPE_GTT) |
| break; |
| if (gtt_size < offset + size) { |
| fprintf(stderr, "overflow gtt space: %s\n", strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| memcpy((char *) gtt + offset, data, size); |
| if (gtt_end < offset + size) |
| gtt_end = offset + size; |
| break; |
| case AUB_TRACE_OP_COMMAND_WRITE: |
| switch (type) { |
| case AUB_TRACE_TYPE_RING_PRB0: |
| engine = GEN_ENGINE_RENDER; |
| break; |
| case AUB_TRACE_TYPE_RING_PRB2: |
| engine = GEN_ENGINE_BLITTER; |
| break; |
| default: |
| printf("command write to unknown ring %d\n", type); |
| break; |
| } |
| |
| parse_commands(spec, data, size, engine); |
| gtt_end = 0; |
| break; |
| } |
| } |
| |
| static void |
| handle_trace_header(uint32_t *p) |
| { |
| /* The intel_aubdump tool from IGT is kind enough to put a PCI-ID= tag in |
| * the AUB header comment. If the user hasn't specified a hardware |
| * generation, try to use the one from the AUB file. |
| */ |
| uint32_t *end = p + (p[0] & 0xffff) + 2; |
| int aub_pci_id = 0; |
| if (end > &p[12] && p[12] > 0) |
| sscanf((char *)&p[13], "PCI-ID=%i", &aub_pci_id); |
| |
| if (pci_id == 0) |
| pci_id = aub_pci_id; |
| |
| struct gen_device_info devinfo; |
| if (!gen_get_device_info(pci_id, &devinfo)) { |
| fprintf(stderr, "can't find device information: pci_id=0x%x\n", pci_id); |
| exit(EXIT_FAILURE); |
| } |
| |
| if (xml_path == NULL) |
| spec = gen_spec_load(&devinfo); |
| else |
| spec = gen_spec_load_from_path(&devinfo, xml_path); |
| disasm = gen_disasm_create(pci_id); |
| |
| if (spec == NULL || disasm == NULL) |
| exit(EXIT_FAILURE); |
| |
| printf("%sAubinator: Intel AUB file decoder.%-80s%s\n", |
| GREEN_HEADER, "", NORMAL); |
| |
| if (input_file) |
| printf("File name: %s\n", input_file); |
| |
| if (aub_pci_id) |
| printf("PCI ID: 0x%x\n", aub_pci_id); |
| |
| char app_name[33]; |
| strncpy(app_name, (char *)&p[2], 32); |
| app_name[32] = 0; |
| printf("Application name: %s\n", app_name); |
| |
| printf("Decoding as: %s\n", gen_get_device_name(pci_id)); |
| |
| /* Throw in a new line before the first batch */ |
| printf("\n"); |
| } |
| |
| struct aub_file { |
| FILE *stream; |
| |
| uint32_t *map, *end, *cursor; |
| uint32_t *mem_end; |
| }; |
| |
| static struct aub_file * |
| aub_file_open(const char *filename) |
| { |
| struct aub_file *file; |
| struct stat sb; |
| int fd; |
| |
| file = calloc(1, sizeof *file); |
| fd = open(filename, O_RDONLY); |
| if (fd == -1) { |
| fprintf(stderr, "open %s failed: %s\n", filename, strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| if (fstat(fd, &sb) == -1) { |
| fprintf(stderr, "stat failed: %s\n", strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| file->map = mmap(NULL, sb.st_size, |
| PROT_READ, MAP_SHARED, fd, 0); |
| if (file->map == MAP_FAILED) { |
| fprintf(stderr, "mmap failed: %s\n", strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| file->cursor = file->map; |
| file->end = file->map + sb.st_size / 4; |
| |
| return file; |
| } |
| |
| static struct aub_file * |
| aub_file_stdin(void) |
| { |
| struct aub_file *file; |
| |
| file = calloc(1, sizeof *file); |
| file->stream = stdin; |
| |
| return file; |
| } |
| |
| #define TYPE(dw) (((dw) >> 29) & 7) |
| #define OPCODE(dw) (((dw) >> 23) & 0x3f) |
| #define SUBOPCODE(dw) (((dw) >> 16) & 0x7f) |
| |
| #define MAKE_HEADER(type, opcode, subopcode) \ |
| (((type) << 29) | ((opcode) << 23) | ((subopcode) << 16)) |
| |
| #define TYPE_AUB 0x7 |
| |
| /* Classic AUB opcodes */ |
| #define OPCODE_AUB 0x01 |
| #define SUBOPCODE_HEADER 0x05 |
| #define SUBOPCODE_BLOCK 0x41 |
| #define SUBOPCODE_BMP 0x1e |
| |
| /* Newer version AUB opcode */ |
| #define OPCODE_NEW_AUB 0x2e |
| #define SUBOPCODE_VERSION 0x00 |
| #define SUBOPCODE_REG_WRITE 0x03 |
| #define SUBOPCODE_MEM_POLL 0x05 |
| #define SUBOPCODE_MEM_WRITE 0x06 |
| |
| #define MAKE_GEN(major, minor) ( ((major) << 8) | (minor) ) |
| |
| struct { |
| const char *name; |
| uint32_t gen; |
| } device_map[] = { |
| { "bwr", MAKE_GEN(4, 0) }, |
| { "cln", MAKE_GEN(4, 0) }, |
| { "blc", MAKE_GEN(4, 0) }, |
| { "ctg", MAKE_GEN(4, 0) }, |
| { "el", MAKE_GEN(4, 0) }, |
| { "il", MAKE_GEN(4, 0) }, |
| { "sbr", MAKE_GEN(6, 0) }, |
| { "ivb", MAKE_GEN(7, 0) }, |
| { "lrb2", MAKE_GEN(0, 0) }, |
| { "hsw", MAKE_GEN(7, 5) }, |
| { "vlv", MAKE_GEN(7, 0) }, |
| { "bdw", MAKE_GEN(8, 0) }, |
| { "skl", MAKE_GEN(9, 0) }, |
| { "chv", MAKE_GEN(8, 0) }, |
| { "bxt", MAKE_GEN(9, 0) } |
| }; |
| |
| enum { |
| AUB_ITEM_DECODE_OK, |
| AUB_ITEM_DECODE_FAILED, |
| AUB_ITEM_DECODE_NEED_MORE_DATA, |
| }; |
| |
| static int |
| aub_file_decode_batch(struct aub_file *file) |
| { |
| uint32_t *p, h, device, data_type, *new_cursor; |
| int header_length, bias; |
| |
| if (file->end - file->cursor < 1) |
| return AUB_ITEM_DECODE_NEED_MORE_DATA; |
| |
| p = file->cursor; |
| h = *p; |
| header_length = h & 0xffff; |
| |
| switch (OPCODE(h)) { |
| case OPCODE_AUB: |
| bias = 2; |
| break; |
| case OPCODE_NEW_AUB: |
| bias = 1; |
| break; |
| default: |
| printf("unknown opcode %d at %td/%td\n", |
| OPCODE(h), file->cursor - file->map, |
| file->end - file->map); |
| return AUB_ITEM_DECODE_FAILED; |
| } |
| |
| new_cursor = p + header_length + bias; |
| if ((h & 0xffff0000) == MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK)) { |
| if (file->end - file->cursor < 4) |
| return AUB_ITEM_DECODE_NEED_MORE_DATA; |
| new_cursor += p[4] / 4; |
| } |
| |
| if (new_cursor > file->end) |
| return AUB_ITEM_DECODE_NEED_MORE_DATA; |
| |
| switch (h & 0xffff0000) { |
| case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER): |
| handle_trace_header(p); |
| break; |
| case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK): |
| handle_trace_block(p); |
| break; |
| case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BMP): |
| break; |
| case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_VERSION): |
| printf("version block: dw1 %08x\n", p[1]); |
| device = (p[1] >> 8) & 0xff; |
| printf(" device %s\n", device_map[device].name); |
| break; |
| case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_WRITE): |
| printf("register write block: (dwords %d)\n", h & 0xffff); |
| printf(" reg 0x%x, data 0x%x\n", p[1], p[5]); |
| break; |
| case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_WRITE): |
| printf("memory write block (dwords %d):\n", h & 0xffff); |
| printf(" address 0x%"PRIx64"\n", *(uint64_t *) &p[1]); |
| data_type = (p[3] >> 20) & 0xff; |
| if (data_type != 0) |
| printf(" data type 0x%x\n", data_type); |
| printf(" address space 0x%x\n", (p[3] >> 28) & 0xf); |
| break; |
| case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_POLL): |
| printf("memory poll block (dwords %d):\n", h & 0xffff); |
| break; |
| default: |
| printf("unknown block type=0x%x, opcode=0x%x, " |
| "subopcode=0x%x (%08x)\n", TYPE(h), OPCODE(h), SUBOPCODE(h), h); |
| break; |
| } |
| file->cursor = new_cursor; |
| |
| return AUB_ITEM_DECODE_OK; |
| } |
| |
| static int |
| aub_file_more_stuff(struct aub_file *file) |
| { |
| return file->cursor < file->end || (file->stream && !feof(file->stream)); |
| } |
| |
| #define AUB_READ_BUFFER_SIZE (4096) |
| #define MAX(a, b) ((a) < (b) ? (b) : (a)) |
| |
| static void |
| aub_file_data_grow(struct aub_file *file) |
| { |
| size_t old_size = (file->mem_end - file->map) * 4; |
| size_t new_size = MAX(old_size * 2, AUB_READ_BUFFER_SIZE); |
| uint32_t *new_start = realloc(file->map, new_size); |
| |
| file->cursor = new_start + (file->cursor - file->map); |
| file->end = new_start + (file->end - file->map); |
| file->map = new_start; |
| file->mem_end = file->map + (new_size / 4); |
| } |
| |
| static bool |
| aub_file_data_load(struct aub_file *file) |
| { |
| size_t r; |
| |
| if (file->stream == NULL) |
| return false; |
| |
| /* First remove any consumed data */ |
| if (file->cursor > file->map) { |
| memmove(file->map, file->cursor, |
| (file->end - file->cursor) * 4); |
| file->end -= file->cursor - file->map; |
| file->cursor = file->map; |
| } |
| |
| /* Then load some new data in */ |
| if ((file->mem_end - file->end) < (AUB_READ_BUFFER_SIZE / 4)) |
| aub_file_data_grow(file); |
| |
| r = fread(file->end, 1, (file->mem_end - file->end) * 4, file->stream); |
| file->end += r / 4; |
| |
| return r != 0; |
| } |
| |
| static void |
| setup_pager(void) |
| { |
| int fds[2]; |
| pid_t pid; |
| |
| if (!isatty(1)) |
| return; |
| |
| if (pipe(fds) == -1) |
| return; |
| |
| pid = fork(); |
| if (pid == -1) |
| return; |
| |
| if (pid == 0) { |
| close(fds[1]); |
| dup2(fds[0], 0); |
| execlp("less", "less", "-FRSi", NULL); |
| } |
| |
| close(fds[0]); |
| dup2(fds[1], 1); |
| close(fds[1]); |
| } |
| |
| static void |
| print_help(const char *progname, FILE *file) |
| { |
| fprintf(file, |
| "Usage: %s [OPTION]... [FILE]\n" |
| "Decode aub file contents from either FILE or the standard input.\n\n" |
| "A valid --gen option must be provided.\n\n" |
| " --help display this help and exit\n" |
| " --gen=platform decode for given platform (ivb, byt, hsw, bdw, chv, skl, kbl or bxt)\n" |
| " --headers decode only command headers\n" |
| " --color[=WHEN] colorize the output; WHEN can be 'auto' (default\n" |
| " if omitted), 'always', or 'never'\n" |
| " --no-pager don't launch pager\n" |
| " --no-offsets don't print instruction offsets\n" |
| " --xml=DIR load hardware xml description from directory DIR\n", |
| progname); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| struct aub_file *file; |
| int c, i; |
| bool help = false, pager = true; |
| const struct { |
| const char *name; |
| int pci_id; |
| } gens[] = { |
| { "ivb", 0x0166 }, /* Intel(R) Ivybridge Mobile GT2 */ |
| { "hsw", 0x0416 }, /* Intel(R) Haswell Mobile GT2 */ |
| { "byt", 0x0155 }, /* Intel(R) Bay Trail */ |
| { "bdw", 0x1616 }, /* Intel(R) HD Graphics 5500 (Broadwell GT2) */ |
| { "chv", 0x22B3 }, /* Intel(R) HD Graphics (Cherryview) */ |
| { "skl", 0x1912 }, /* Intel(R) HD Graphics 530 (Skylake GT2) */ |
| { "kbl", 0x591D }, /* Intel(R) Kabylake GT2 */ |
| { "bxt", 0x0A84 } /* Intel(R) HD Graphics (Broxton) */ |
| }; |
| const struct option aubinator_opts[] = { |
| { "help", no_argument, (int *) &help, true }, |
| { "no-pager", no_argument, (int *) &pager, false }, |
| { "no-offsets", no_argument, (int *) &option_print_offsets, false }, |
| { "gen", required_argument, NULL, 'g' }, |
| { "headers", no_argument, (int *) &option_full_decode, false }, |
| { "color", required_argument, NULL, 'c' }, |
| { "xml", required_argument, NULL, 'x' }, |
| { NULL, 0, NULL, 0 } |
| }; |
| |
| i = 0; |
| while ((c = getopt_long(argc, argv, "", aubinator_opts, &i)) != -1) { |
| switch (c) { |
| case 'g': |
| for (i = 0; i < ARRAY_SIZE(gens); i++) { |
| if (!strcmp(optarg, gens[i].name)) { |
| pci_id = gens[i].pci_id; |
| break; |
| } |
| } |
| if (i == ARRAY_SIZE(gens)) { |
| fprintf(stderr, "can't parse gen: '%s', expected ivb, byt, hsw, " |
| "bdw, chv, skl, kbl or bxt\n", optarg); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'c': |
| if (optarg == NULL || strcmp(optarg, "always") == 0) |
| option_color = COLOR_ALWAYS; |
| else if (strcmp(optarg, "never") == 0) |
| option_color = COLOR_NEVER; |
| else if (strcmp(optarg, "auto") == 0) |
| option_color = COLOR_AUTO; |
| else { |
| fprintf(stderr, "invalid value for --color: %s", optarg); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'x': |
| xml_path = strdup(optarg); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (help || argc == 1) { |
| print_help(argv[0], stderr); |
| exit(0); |
| } |
| |
| if (optind < argc) |
| input_file = argv[optind]; |
| |
| /* Do this before we redirect stdout to pager. */ |
| if (option_color == COLOR_AUTO) |
| option_color = isatty(1) ? COLOR_ALWAYS : COLOR_NEVER; |
| |
| if (isatty(1) && pager) |
| setup_pager(); |
| |
| if (input_file == NULL) |
| file = aub_file_stdin(); |
| else |
| file = aub_file_open(input_file); |
| |
| /* mmap a terabyte for our gtt space. */ |
| gtt_size = 1ull << 40; |
| gtt = mmap(NULL, gtt_size, PROT_READ | PROT_WRITE, |
| MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0); |
| if (gtt == MAP_FAILED) { |
| fprintf(stderr, "failed to alloc gtt space: %s\n", strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| while (aub_file_more_stuff(file)) { |
| switch (aub_file_decode_batch(file)) { |
| case AUB_ITEM_DECODE_OK: |
| break; |
| case AUB_ITEM_DECODE_NEED_MORE_DATA: |
| if (!file->stream) { |
| file->cursor = file->end; |
| break; |
| } |
| if (aub_file_more_stuff(file) && !aub_file_data_load(file)) { |
| fprintf(stderr, "failed to load data from stdin\n"); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| default: |
| fprintf(stderr, "failed to parse aubdump data\n"); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| |
| fflush(stdout); |
| /* close the stdout which is opened to write the output */ |
| close(1); |
| free(xml_path); |
| |
| wait(NULL); |
| |
| return EXIT_SUCCESS; |
| } |
