| /* |
| * Copyright © 2020 Google, Inc. |
| * |
| * 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. |
| */ |
| |
| /* |
| * Decoder for devcoredump traces from drm/msm. In case of a gpu crash/hang, |
| * the coredump should be found in: |
| * |
| * /sys/class/devcoredump/devcd<n>/data |
| * |
| * The crashdump will hang around for 5min, it can be cleared by writing to |
| * the file, ie: |
| * |
| * echo 1 > /sys/class/devcoredump/devcd<n>/data |
| * |
| * (the driver won't log any new crashdumps until the previous one is cleared |
| * or times out after 5min) |
| */ |
| |
| |
| #include "crashdec.h" |
| |
| static FILE *in; |
| bool verbose; |
| |
| struct rnn *rnn_gmu; |
| struct rnn *rnn_control; |
| struct rnn *rnn_pipe; |
| |
| struct cffdec_options options = { |
| .draw_filter = -1, |
| }; |
| |
| /* |
| * Helpers to read register values: |
| */ |
| |
| /* read registers that are 64b on 64b GPUs (ie. a5xx+) */ |
| static uint64_t |
| regval64(const char *name) |
| { |
| unsigned reg = regbase(name); |
| assert(reg); |
| uint64_t val = reg_val(reg); |
| if (is_64b()) |
| val |= ((uint64_t)reg_val(reg + 1)) << 32; |
| return val; |
| } |
| |
| static uint32_t |
| regval(const char *name) |
| { |
| unsigned reg = regbase(name); |
| assert(reg); |
| return reg_val(reg); |
| } |
| |
| /* |
| * Line reading and string helpers: |
| */ |
| |
| static char * |
| replacestr(char *line, const char *find, const char *replace) |
| { |
| char *tail, *s; |
| |
| if (!(s = strstr(line, find))) |
| return line; |
| |
| tail = s + strlen(find); |
| |
| char *newline; |
| asprintf(&newline, "%.*s%s%s", (int)(s - line), line, replace, tail); |
| free(line); |
| |
| return newline; |
| } |
| |
| static char *lastline; |
| static char *pushedline; |
| |
| static const char * |
| popline(void) |
| { |
| char *r = pushedline; |
| |
| if (r) { |
| pushedline = NULL; |
| return r; |
| } |
| |
| free(lastline); |
| |
| size_t n = 0; |
| if (getline(&r, &n, in) < 0) |
| exit(0); |
| |
| /* Handle section name typo's from earlier kernels: */ |
| r = replacestr(r, "CP_MEMPOOOL", "CP_MEMPOOL"); |
| r = replacestr(r, "CP_SEQ_STAT", "CP_SQE_STAT"); |
| |
| lastline = r; |
| return r; |
| } |
| |
| static void |
| pushline(void) |
| { |
| assert(!pushedline); |
| pushedline = lastline; |
| } |
| |
| static uint32_t * |
| popline_ascii85(uint32_t sizedwords) |
| { |
| const char *line = popline(); |
| |
| /* At this point we exepct the ascii85 data to be indented *some* |
| * amount, and to terminate at the end of the line. So just eat |
| * up the leading whitespace. |
| */ |
| assert(*line == ' '); |
| while (*line == ' ') |
| line++; |
| |
| uint32_t *buf = calloc(1, 4 * sizedwords); |
| int idx = 0; |
| |
| while (*line != '\n') { |
| if (*line == 'z') { |
| buf[idx++] = 0; |
| line++; |
| continue; |
| } |
| |
| uint32_t accum = 0; |
| for (int i = 0; (i < 5) && (*line != '\n'); i++) { |
| accum *= 85; |
| accum += *line - '!'; |
| line++; |
| } |
| |
| buf[idx++] = accum; |
| } |
| |
| return buf; |
| } |
| |
| static bool |
| startswith(const char *line, const char *start) |
| { |
| return strstr(line, start) == line; |
| } |
| |
| static void |
| parseline(const char *line, const char *fmt, ...) |
| { |
| int fmtlen = strlen(fmt); |
| int n = 0; |
| int l = 0; |
| |
| /* scan fmt string to extract expected # of conversions: */ |
| for (int i = 0; i < fmtlen; i++) { |
| if (fmt[i] == '%') { |
| if (i == (l - 1)) { /* prev char was %, ie. we have %% */ |
| n--; |
| l = 0; |
| } else { |
| n++; |
| l = i; |
| } |
| } |
| } |
| |
| va_list ap; |
| va_start(ap, fmt); |
| if (vsscanf(line, fmt, ap) != n) { |
| fprintf(stderr, "parse error scanning: '%s'\n", fmt); |
| exit(1); |
| } |
| va_end(ap); |
| } |
| |
| #define foreach_line_in_section(_line) \ |
| for (const char *_line = popline(); _line; _line = popline()) \ |
| /* check for start of next section */ \ |
| if (_line[0] != ' ') { \ |
| pushline(); \ |
| break; \ |
| } else |
| |
| /* |
| * Decode ringbuffer section: |
| */ |
| |
| static struct { |
| uint64_t iova; |
| uint32_t rptr; |
| uint32_t wptr; |
| uint32_t size; |
| uint32_t *buf; |
| } ringbuffers[5]; |
| |
| static void |
| decode_ringbuffer(void) |
| { |
| int id = 0; |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " - id:")) { |
| parseline(line, " - id: %d", &id); |
| assert(id < ARRAY_SIZE(ringbuffers)); |
| } else if (startswith(line, " iova:")) { |
| parseline(line, " iova: %" PRIx64, &ringbuffers[id].iova); |
| } else if (startswith(line, " rptr:")) { |
| parseline(line, " rptr: %d", &ringbuffers[id].rptr); |
| } else if (startswith(line, " wptr:")) { |
| parseline(line, " wptr: %d", &ringbuffers[id].wptr); |
| } else if (startswith(line, " size:")) { |
| parseline(line, " size: %d", &ringbuffers[id].size); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| ringbuffers[id].buf = popline_ascii85(ringbuffers[id].size / 4); |
| add_buffer(ringbuffers[id].iova, ringbuffers[id].size, |
| ringbuffers[id].buf); |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| } |
| |
| /* |
| * Decode GMU log |
| */ |
| |
| static void |
| decode_gmu_log(void) |
| { |
| uint64_t iova; |
| uint32_t size; |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " iova:")) { |
| parseline(line, " iova: %" PRIx64, &iova); |
| } else if (startswith(line, " size:")) { |
| parseline(line, " size: %u", &size); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| void *buf = popline_ascii85(size / 4); |
| |
| dump_hex_ascii(buf, size, 1); |
| |
| free(buf); |
| |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| } |
| |
| /* |
| * Decode HFI queues |
| */ |
| |
| static void |
| decode_gmu_hfi(void) |
| { |
| struct a6xx_hfi_state hfi = {}; |
| |
| /* Initialize the history buffers with invalid entries (-1): */ |
| memset(&hfi.history, 0xff, sizeof(hfi.history)); |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " iova:")) { |
| parseline(line, " iova: %" PRIx64, &hfi.iova); |
| } else if (startswith(line, " size:")) { |
| parseline(line, " size: %u", &hfi.size); |
| } else if (startswith(line, " queue-history")) { |
| unsigned qidx, dummy; |
| |
| parseline(line, " queue-history[%u]:", &qidx); |
| assert(qidx < ARRAY_SIZE(hfi.history)); |
| |
| parseline(line, " queue-history[%u]: %d %d %d %d %d %d %d %d", &dummy, |
| &hfi.history[qidx][0], &hfi.history[qidx][1], |
| &hfi.history[qidx][2], &hfi.history[qidx][3], |
| &hfi.history[qidx][4], &hfi.history[qidx][5], |
| &hfi.history[qidx][6], &hfi.history[qidx][7]); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| hfi.buf = popline_ascii85(hfi.size / 4); |
| |
| if (verbose) |
| dump_hex_ascii(hfi.buf, hfi.size, 1); |
| |
| dump_gmu_hfi(&hfi); |
| |
| free(hfi.buf); |
| |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| } |
| |
| static bool |
| valid_header(uint32_t pkt) |
| { |
| if (options.gpu_id >= 500) { |
| return pkt_is_type4(pkt) || pkt_is_type7(pkt); |
| } else { |
| /* TODO maybe we can check validish looking pkt3 opc or pkt0 |
| * register offset.. the cmds sent by kernel are usually |
| * fairly limited (other than initialization) which confines |
| * the search space a bit.. |
| */ |
| return true; |
| } |
| } |
| |
| static void |
| dump_cmdstream(void) |
| { |
| uint64_t rb_base = regval64("CP_RB_BASE"); |
| |
| printf("got rb_base=%" PRIx64 "\n", rb_base); |
| |
| options.ibs[1].base = regval64("CP_IB1_BASE"); |
| options.ibs[1].rem = regval("CP_IB1_REM_SIZE"); |
| options.ibs[2].base = regval64("CP_IB2_BASE"); |
| options.ibs[2].rem = regval("CP_IB2_REM_SIZE"); |
| |
| /* Adjust remaining size to account for cmdstream slurped into ROQ |
| * but not yet consumed by SQE |
| * |
| * TODO add support for earlier GPUs once we tease out the needed |
| * registers.. see crashit.c in msmtest for hints. |
| * |
| * TODO it would be nice to be able to extract out register bitfields |
| * by name rather than hard-coding this. |
| */ |
| if (is_a6xx()) { |
| options.ibs[1].rem += regval("CP_CSQ_IB1_STAT") >> 16; |
| options.ibs[2].rem += regval("CP_CSQ_IB2_STAT") >> 16; |
| } |
| |
| printf("IB1: %" PRIx64 ", %u\n", options.ibs[1].base, options.ibs[1].rem); |
| printf("IB2: %" PRIx64 ", %u\n", options.ibs[2].base, options.ibs[2].rem); |
| |
| /* now that we've got the regvals we want, reset register state |
| * so we aren't seeing values from decode_registers(); |
| */ |
| reset_regs(); |
| |
| for (int id = 0; id < ARRAY_SIZE(ringbuffers); id++) { |
| if (ringbuffers[id].iova != rb_base) |
| continue; |
| if (!ringbuffers[id].size) |
| continue; |
| |
| printf("found ring!\n"); |
| |
| /* The kernel level ringbuffer (RB) wraps around, which |
| * cffdec doesn't really deal with.. so figure out how |
| * many dwords are unread |
| */ |
| unsigned ringszdw = ringbuffers[id].size >> 2; /* in dwords */ |
| |
| if (verbose) { |
| dump_commands(ringbuffers[id].buf, ringszdw, 0); |
| return; |
| } |
| |
| /* helper macro to deal with modulo size math: */ |
| #define mod_add(b, v) ((ringszdw + (int)(b) + (int)(v)) % ringszdw) |
| |
| /* The rptr will (most likely) have moved past the IB to |
| * userspace cmdstream, so back up a bit, and then advance |
| * until we find a valid start of a packet.. this is going |
| * to be less reliable on a4xx and before (pkt0/pkt3), |
| * compared to pkt4/pkt7 with parity bits |
| */ |
| const int lookback = 12; |
| unsigned rptr = mod_add(ringbuffers[id].rptr, -lookback); |
| |
| for (int idx = 0; idx < lookback; idx++) { |
| if (valid_header(ringbuffers[id].buf[rptr])) |
| break; |
| rptr = mod_add(rptr, 1); |
| } |
| |
| unsigned cmdszdw = mod_add(ringbuffers[id].wptr, -rptr); |
| |
| printf("got cmdszdw=%d\n", cmdszdw); |
| uint32_t *buf = malloc(cmdszdw * 4); |
| |
| for (int idx = 0; idx < cmdszdw; idx++) { |
| int p = mod_add(rptr, idx); |
| buf[idx] = ringbuffers[id].buf[p]; |
| } |
| |
| dump_commands(buf, cmdszdw, 0); |
| free(buf); |
| } |
| } |
| |
| /* |
| * Decode 'bos' (buffers) section: |
| */ |
| |
| static void |
| decode_bos(void) |
| { |
| uint32_t size = 0; |
| uint64_t iova = 0; |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " - iova:")) { |
| parseline(line, " - iova: %" PRIx64, &iova); |
| } else if (startswith(line, " size:")) { |
| parseline(line, " size: %u", &size); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| uint32_t *buf = popline_ascii85(size / 4); |
| |
| if (verbose) |
| dump_hex_ascii(buf, size, 1); |
| |
| add_buffer(iova, size, buf); |
| |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| } |
| |
| /* |
| * Decode registers section: |
| */ |
| |
| void |
| dump_register(struct rnn *rnn, uint32_t offset, uint32_t value) |
| { |
| struct rnndecaddrinfo *info = rnn_reginfo(rnn, offset); |
| if (info && info->typeinfo) { |
| char *decoded = rnndec_decodeval(rnn->vc, info->typeinfo, value); |
| printf("%s: %s\n", info->name, decoded); |
| } else if (info) { |
| printf("%s: %08x\n", info->name, value); |
| } else { |
| printf("<%04x>: %08x\n", offset, value); |
| } |
| } |
| |
| static void |
| decode_gmu_registers(void) |
| { |
| foreach_line_in_section (line) { |
| uint32_t offset, value; |
| parseline(line, " - { offset: %x, value: %x }", &offset, &value); |
| |
| printf("\t%08x\t", value); |
| dump_register(rnn_gmu, offset / 4, value); |
| } |
| } |
| |
| static void |
| decode_registers(void) |
| { |
| foreach_line_in_section (line) { |
| uint32_t offset, value; |
| parseline(line, " - { offset: %x, value: %x }", &offset, &value); |
| |
| reg_set(offset / 4, value); |
| printf("\t%08x", value); |
| dump_register_val(offset / 4, value, 0); |
| } |
| } |
| |
| /* similar to registers section, but for banked context regs: */ |
| static void |
| decode_clusters(void) |
| { |
| foreach_line_in_section (line) { |
| if (startswith(line, " - cluster-name:") || |
| startswith(line, " - context:")) { |
| printf("%s", line); |
| continue; |
| } |
| |
| uint32_t offset, value; |
| parseline(line, " - { offset: %x, value: %x }", &offset, &value); |
| |
| printf("\t%08x", value); |
| dump_register_val(offset / 4, value, 0); |
| } |
| } |
| |
| /* |
| * Decode indexed-registers.. these aren't like normal registers, but a |
| * sort of FIFO where successive reads pop out associated debug state. |
| */ |
| |
| static void |
| dump_cp_sqe_stat(uint32_t *stat) |
| { |
| printf("\t PC: %04x\n", stat[0]); |
| stat++; |
| |
| if (is_a6xx() && valid_header(stat[0])) { |
| if (pkt_is_type7(stat[0])) { |
| unsigned opc = cp_type7_opcode(stat[0]); |
| const char *name = pktname(opc); |
| if (name) |
| printf("\tPKT: %s\n", name); |
| } else { |
| /* Not sure if this case can happen: */ |
| } |
| } |
| |
| for (int i = 0; i < 16; i++) { |
| printf("\t$%02x: %08x\t\t$%02x: %08x\n", i + 1, stat[i], i + 16 + 1, |
| stat[i + 16]); |
| } |
| } |
| |
| static void |
| dump_control_regs(uint32_t *regs) |
| { |
| if (!rnn_control) |
| return; |
| |
| /* Control regs 0x100-0x17f are a scratch space to be used by the |
| * firmware however it wants, unlike lower regs which involve some |
| * fixed-function units. Therefore only these registers get dumped |
| * directly. |
| */ |
| for (uint32_t i = 0; i < 0x80; i++) { |
| printf("\t%08x\t", regs[i]); |
| dump_register(rnn_control, i + 0x100, regs[i]); |
| } |
| } |
| |
| static void |
| dump_cp_ucode_dbg(uint32_t *dbg) |
| { |
| /* Notes on the data: |
| * There seems to be a section every 4096 DWORD's. The sections aren't |
| * all the same size, so the rest of the 4096 DWORD's are filled with |
| * mirrors of the actual data. |
| */ |
| |
| for (int section = 0; section < 6; section++, dbg += 0x1000) { |
| switch (section) { |
| case 0: |
| /* Contains scattered data from a630_sqe.fw: */ |
| printf("\tSQE instruction cache:\n"); |
| dump_hex_ascii(dbg, 4 * 0x400, 1); |
| break; |
| case 1: |
| printf("\tUnknown 1:\n"); |
| dump_hex_ascii(dbg, 4 * 0x80, 1); |
| break; |
| case 2: |
| printf("\tUnknown 2:\n"); |
| dump_hex_ascii(dbg, 4 * 0x200, 1); |
| break; |
| case 3: |
| printf("\tUnknown 3:\n"); |
| dump_hex_ascii(dbg, 4 * 0x80, 1); |
| break; |
| case 4: |
| /* Don't bother printing this normally */ |
| if (verbose) { |
| printf("\tSQE packet jumptable contents:\n"); |
| dump_hex_ascii(dbg, 4 * 0x80, 1); |
| } |
| break; |
| case 5: |
| printf("\tSQE scratch control regs:\n"); |
| dump_control_regs(dbg); |
| break; |
| } |
| } |
| } |
| |
| static void |
| decode_indexed_registers(void) |
| { |
| char *name = NULL; |
| uint32_t sizedwords = 0; |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " - regs-name:")) { |
| free(name); |
| parseline(line, " - regs-name: %ms", &name); |
| } else if (startswith(line, " dwords:")) { |
| parseline(line, " dwords: %u", &sizedwords); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| uint32_t *buf = popline_ascii85(sizedwords); |
| |
| /* some of the sections are pretty large, and are (at least |
| * so far) not useful, so skip them if not in verbose mode: |
| */ |
| bool dump = verbose || !strcmp(name, "CP_SQE_STAT") || |
| !strcmp(name, "CP_DRAW_STATE") || |
| !strcmp(name, "CP_ROQ") || 0; |
| |
| if (!strcmp(name, "CP_SQE_STAT")) |
| dump_cp_sqe_stat(buf); |
| |
| if (!strcmp(name, "CP_UCODE_DBG_DATA")) |
| dump_cp_ucode_dbg(buf); |
| |
| if (!strcmp(name, "CP_MEMPOOL")) |
| dump_cp_mem_pool(buf); |
| |
| if (dump) |
| dump_hex_ascii(buf, 4 * sizedwords, 1); |
| |
| free(buf); |
| |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| } |
| |
| /* |
| * Decode shader-blocks: |
| */ |
| |
| static void |
| decode_shader_blocks(void) |
| { |
| char *type = NULL; |
| uint32_t sizedwords = 0; |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " - type:")) { |
| free(type); |
| parseline(line, " - type: %ms", &type); |
| } else if (startswith(line, " size:")) { |
| parseline(line, " size: %u", &sizedwords); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| uint32_t *buf = popline_ascii85(sizedwords); |
| |
| /* some of the sections are pretty large, and are (at least |
| * so far) not useful, so skip them if not in verbose mode: |
| */ |
| bool dump = verbose || !strcmp(type, "A6XX_SP_INST_DATA") || |
| !strcmp(type, "A6XX_HLSQ_INST_RAM") || 0; |
| |
| if (!strcmp(type, "A6XX_SP_INST_DATA") || |
| !strcmp(type, "A6XX_HLSQ_INST_RAM")) { |
| /* TODO this section actually contains multiple shaders |
| * (or parts of shaders?), so perhaps we should search |
| * for ends of shaders and decode each? |
| */ |
| try_disasm_a3xx(buf, sizedwords, 1, stdout, options.gpu_id); |
| } |
| |
| if (dump) |
| dump_hex_ascii(buf, 4 * sizedwords, 1); |
| |
| free(buf); |
| |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| |
| free(type); |
| } |
| |
| /* |
| * Decode debugbus section: |
| */ |
| |
| static void |
| decode_debugbus(void) |
| { |
| char *block = NULL; |
| uint32_t sizedwords = 0; |
| |
| foreach_line_in_section (line) { |
| if (startswith(line, " - debugbus-block:")) { |
| free(block); |
| parseline(line, " - debugbus-block: %ms", &block); |
| } else if (startswith(line, " count:")) { |
| parseline(line, " count: %u", &sizedwords); |
| } else if (startswith(line, " data: !!ascii85 |")) { |
| uint32_t *buf = popline_ascii85(sizedwords); |
| |
| /* some of the sections are pretty large, and are (at least |
| * so far) not useful, so skip them if not in verbose mode: |
| */ |
| bool dump = verbose || 0; |
| |
| if (dump) |
| dump_hex_ascii(buf, 4 * sizedwords, 1); |
| |
| free(buf); |
| |
| continue; |
| } |
| |
| printf("%s", line); |
| } |
| } |
| |
| /* |
| * Main crashdump decode loop: |
| */ |
| |
| static void |
| decode(void) |
| { |
| const char *line; |
| |
| while ((line = popline())) { |
| printf("%s", line); |
| if (startswith(line, "revision:")) { |
| unsigned core, major, minor, patchid; |
| |
| parseline(line, "revision: %u (%u.%u.%u.%u)", &options.gpu_id, |
| &core, &major, &minor, &patchid); |
| |
| if (options.gpu_id == 0) { |
| options.gpu_id = (core * 100) + (major * 10) + minor; |
| } |
| |
| printf("Got gpu_id=%u\n", options.gpu_id); |
| |
| cffdec_init(&options); |
| |
| if (is_a6xx()) { |
| rnn_gmu = rnn_new(!options.color); |
| rnn_load_file(rnn_gmu, "adreno/a6xx_gmu.xml", "A6XX"); |
| rnn_control = rnn_new(!options.color); |
| rnn_load_file(rnn_control, "adreno/adreno_control_regs.xml", |
| "A6XX_CONTROL_REG"); |
| rnn_pipe = rnn_new(!options.color); |
| rnn_load_file(rnn_pipe, "adreno/adreno_pipe_regs.xml", |
| "A6XX_PIPE_REG"); |
| } else if (is_a5xx()) { |
| rnn_control = rnn_new(!options.color); |
| rnn_load_file(rnn_control, "adreno/adreno_control_regs.xml", |
| "A5XX_CONTROL_REG"); |
| } else { |
| rnn_control = NULL; |
| } |
| } else if (startswith(line, "bos:")) { |
| decode_bos(); |
| } else if (startswith(line, "ringbuffer:")) { |
| decode_ringbuffer(); |
| } else if (startswith(line, "gmu-log:")) { |
| decode_gmu_log(); |
| } else if (startswith(line, "gmu-hfi:")) { |
| decode_gmu_hfi(); |
| } else if (startswith(line, "registers:")) { |
| decode_registers(); |
| |
| /* after we've recorded buffer contents, and CP register values, |
| * we can take a stab at decoding the cmdstream: |
| */ |
| dump_cmdstream(); |
| } else if (startswith(line, "registers-gmu:")) { |
| decode_gmu_registers(); |
| } else if (startswith(line, "indexed-registers:")) { |
| decode_indexed_registers(); |
| } else if (startswith(line, "shader-blocks:")) { |
| decode_shader_blocks(); |
| } else if (startswith(line, "clusters:")) { |
| decode_clusters(); |
| } else if (startswith(line, "debugbus:")) { |
| decode_debugbus(); |
| } |
| } |
| } |
| |
| /* |
| * Usage and argument parsing: |
| */ |
| |
| static void |
| usage(void) |
| { |
| /* clang-format off */ |
| fprintf(stderr, "Usage:\n\n" |
| "\tcrashdec [-achmsv] [-f FILE]\n\n" |
| "Options:\n" |
| "\t-a, --allregs - show all registers (including ones not written since\n" |
| "\t previous draw) at each draw\n" |
| "\t-c, --color - use colors\n" |
| "\t-f, --file=FILE - read input from specified file (rather than stdin)\n" |
| "\t-h, --help - this usage message\n" |
| "\t-m, --markers - try to decode CP_NOP string markers\n" |
| "\t-s, --summary - don't show individual register writes, but just show\n" |
| "\t register values on draws\n" |
| "\t-v, --verbose - dump more verbose output, including contents of\n" |
| "\t less interesting buffers\n" |
| "\n" |
| ); |
| /* clang-format on */ |
| exit(2); |
| } |
| |
| /* clang-format off */ |
| static const struct option opts[] = { |
| { .name = "allregs", .has_arg = 0, NULL, 'a' }, |
| { .name = "color", .has_arg = 0, NULL, 'c' }, |
| { .name = "file", .has_arg = 1, NULL, 'f' }, |
| { .name = "help", .has_arg = 0, NULL, 'h' }, |
| { .name = "markers", .has_arg = 0, NULL, 'm' }, |
| { .name = "summary", .has_arg = 0, NULL, 's' }, |
| { .name = "verbose", .has_arg = 0, NULL, 'v' }, |
| {} |
| }; |
| /* clang-format on */ |
| |
| static bool interactive; |
| |
| static void |
| cleanup(void) |
| { |
| fflush(stdout); |
| |
| if (interactive) { |
| pager_close(); |
| } |
| } |
| |
| int |
| main(int argc, char **argv) |
| { |
| int c; |
| |
| interactive = isatty(STDOUT_FILENO); |
| options.color = interactive; |
| |
| /* default to read from stdin: */ |
| in = stdin; |
| |
| while ((c = getopt_long(argc, argv, "acf:hmsv", opts, NULL)) != -1) { |
| switch (c) { |
| case 'a': |
| options.allregs = true; |
| break; |
| case 'c': |
| options.color = true; |
| break; |
| case 'f': |
| in = fopen(optarg, "r"); |
| break; |
| case 'm': |
| options.decode_markers = true; |
| break; |
| case 's': |
| options.summary = true; |
| break; |
| case 'v': |
| verbose = true; |
| break; |
| case 'h': |
| default: |
| usage(); |
| } |
| } |
| |
| disasm_a3xx_set_debug(PRINT_RAW); |
| |
| if (interactive) { |
| pager_open(); |
| } |
| |
| atexit(cleanup); |
| |
| decode(); |
| cleanup(); |
| } |
