ac/debug: annotate IB dumps with the raw values
authorNicolai Hähnle <nicolai.haehnle@amd.com>
Tue, 22 Aug 2017 15:33:54 +0000 (17:33 +0200)
committerNicolai Hähnle <nicolai.haehnle@amd.com>
Wed, 23 Aug 2017 11:54:05 +0000 (13:54 +0200)
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
src/amd/common/ac_debug.c

index 518893f..e92dfbd 100644 (file)
@@ -44,6 +44,7 @@
 #define INDENT_PKT 8
 
 struct ac_ib_parser {
+       FILE *f;
        uint32_t *ib;
        unsigned num_dw;
        int trace_id;
@@ -144,10 +145,14 @@ void ac_dump_reg(FILE *file, unsigned offset, uint32_t value,
 
 static uint32_t ac_ib_get(struct ac_ib_parser *ib)
 {
-       uint32_t v = 0xdeadbeef;
+       uint32_t v = 0;
 
-       if (ib->cur_dw < ib->num_dw)
+       if (ib->cur_dw < ib->num_dw) {
                v = ib->ib[ib->cur_dw];
+               fprintf(ib->f, "\n\035#%08x ", v);
+       } else {
+               fprintf(ib->f, "\n\035#???????? ");
+       }
 
        ib->cur_dw++;
        return v;
@@ -318,10 +323,7 @@ static void ac_parse_packet3(FILE *f, uint32_t header, struct ac_ib_parser *ib)
                ac_dump_reg(f, R_370_CONTROL, ac_ib_get(ib), ~0);
                ac_dump_reg(f, R_371_DST_ADDR_LO, ac_ib_get(ib), ~0);
                ac_dump_reg(f, R_372_DST_ADDR_HI, ac_ib_get(ib), ~0);
-               for (i = 2; i < count; i++) {
-                       print_spaces(f, INDENT_PKT);
-                       fprintf(f, "0x%08x\n", ac_ib_get(ib));
-               }
+               /* The payload is written automatically */
                break;
        case PKT3_CP_DMA:
                ac_dump_reg(f, R_410_CP_DMA_WORD0, ac_ib_get(ib), ~0);
@@ -369,9 +371,9 @@ static void ac_parse_packet3(FILE *f, uint32_t header, struct ac_ib_parser *ib)
                ib_recurse.num_dw = G_3F2_IB_SIZE(control_dw);
                ib_recurse.cur_dw = 0;
 
-               fprintf(f, "------------------ nested begin ------------------\n");
+               fprintf(f, "\n\035>------------------ nested begin ------------------\n");
                ac_do_parse_ib(f, &ib_recurse);
-               fprintf(f, "------------------- nested end -------------------\n");
+               fprintf(f, "\n\035<------------------- nested end -------------------\n");
                break;
        }
        case PKT3_CLEAR_STATE:
@@ -417,13 +419,11 @@ static void ac_parse_packet3(FILE *f, uint32_t header, struct ac_ib_parser *ib)
        }
 
        /* print additional dwords */
-       while (ib->cur_dw <= first_dw + count) {
-               print_spaces(f, INDENT_PKT);
-               fprintf(f, "0x%08x\n", ac_ib_get(ib));
-       }
+       while (ib->cur_dw <= first_dw + count)
+               ac_ib_get(ib);
 
        if (ib->cur_dw > first_dw + count + 1)
-               fprintf(f, COLOR_RED "!!!!! count in header too low !!!!!"
+               fprintf(f, COLOR_RED "\n!!!!! count in header too low !!!!!"
                        COLOR_RESET "\n");
 }
 
@@ -449,13 +449,45 @@ static void ac_do_parse_ib(FILE *f, struct ac_ib_parser *ib)
                        /* fall through */
                default:
                        fprintf(f, "Unknown packet type %i\n", type);
-                       return;
+                       break;
                }
        }
+}
 
-       if (ib->cur_dw > ib->num_dw) {
-               printf("\nPacket ends after the end of IB.\n");
-               exit(0);
+static void format_ib_output(FILE *f, char *out)
+{
+       unsigned depth = 0;
+
+       for (;;) {
+               char op = 0;
+
+               if (out[0] == '\n' && out[1] == '\035')
+                       out++;
+               if (out[0] == '\035') {
+                       op = out[1];
+                       out += 2;
+               }
+
+               if (op == '<')
+                       depth--;
+
+               unsigned indent = 4 * depth;
+               if (op != '#')
+                       indent += 9;
+
+               if (indent)
+                       print_spaces(f, indent);
+
+               char *end = strchrnul(out, '\n');
+               fwrite(out, end - out, 1, f);
+               fputc('\n', f); /* always end with a new line */
+               if (!*end)
+                       break;
+
+               out = end + 1;
+
+               if (op == '>')
+                       depth++;
        }
 }
 
@@ -483,7 +515,23 @@ void ac_parse_ib_chunk(FILE *f, uint32_t *ib_ptr, int num_dw, int trace_id,
        ib.chip_class = chip_class;
        ib.addr_callback = addr_callback;
        ib.addr_callback_data = addr_callback_data;
-       ac_do_parse_ib(f, &ib);
+
+       char *out;
+       size_t outsize;
+       FILE *memf = open_memstream(&out, &outsize);
+       ib.f = memf;
+       ac_do_parse_ib(memf, &ib);
+       fclose(memf);
+
+       if (out) {
+               format_ib_output(f, out);
+               free(out);
+       }
+
+       if (ib.cur_dw > ib.num_dw) {
+               printf("\nPacket ends after the end of IB.\n");
+               exit(1);
+       }
 }
 
 /**