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Connect TL edge data to SimMemTraceLogger

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TODO: since TileLink rounds all address down to a multiple of its beat
size (8 in the current code), we can't directly compare the memory trace
input to its output.  Need to take masks into account.
This commit is contained in:
Hansung Kim
2023-04-10 20:24:27 -07:00
parent af29acdcda
commit b53711965e
2 changed files with 55 additions and 24 deletions
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21
src/main/resources/csrc/SimMemTraceLogger.cc
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@@ -3,7 +3,7 @@
#include <svdpi.h>
#endif
#include <string>
#include <string.h>
#include <cstring>
#include <cstdio>
#include <cassert>
#include <unistd.h>
@@ -33,10 +33,10 @@ MemTraceLogger::~MemTraceLogger() {
// Parse trace file in its entirety and store it into internal structure.
// TODO: might block for a long time when the trace gets big, check if need to
// be broken down
void MemTraceReader::parse() {
void MemTraceLogger::parse() {
MemTraceLine line;
printf("MemTraceReader: started parsing\n");
printf("MemTraceLogger: started parsing\n");
while (infile >> line.cycle >> line.loadstore >> line.core_id >>
line.lane_id >> std::hex >> line.address >> line.data >> std::dec >>
@@ -46,13 +46,13 @@ void MemTraceReader::parse() {
}
read_pos = trace.cbegin();
printf("MemTraceReader: finished parsing\n");
printf("MemTraceLogger: finished parsing\n");
}
// Try to read a memory request that might have happened at a given cycle, on a
// given SIMD lane (= "thread"). In case no request happened at that point,
// return an empty line with .valid = false.
MemTraceLine MemTraceReader::read_trace_at(const long cycle,
MemTraceLine MemTraceLogger::read_trace_at(const long cycle,
const int lane_id) {
MemTraceLine line;
line.valid = false;
@@ -120,8 +120,17 @@ extern "C" void memtracelogger_init(const char *filename) {
}
// TODO: accept core_id as well
extern "C" void memtracelogger_log(unsigned char *trace_log_ready) {
extern "C" void memtracelogger_log(unsigned char trace_log_valid,
unsigned long trace_log_cycle,
unsigned long trace_log_address,
unsigned int trace_log_lane_id,
unsigned char *trace_log_ready) {
// printf("memtrace_query(cycle=%ld, tid=%d)\n", trace_read_cycle,
// trace_read_lane_id);
*trace_log_ready = 1;
if (trace_log_valid) {
printf("%s: [%lu] valid: address=0x%lx, tid=%u\n", __func__,
trace_log_cycle, trace_log_address, trace_log_lane_id);
}
}