On 21/09/20 04:24, Alexander Bulekov wrote:
> + if (qtest_log_enabled) {
> + /*
> + * With QTEST_LOG, use a normal, slow QTest memwrite. Prefix the log
> + * that will be written by qtest.c with a DMA tag, so we can reorder
> + * the resulting QTest trace so the DMA fills precede the last
> PIO/MMIO
> + * command.
> + */
> + fprintf(stderr, "[DMA] ");
> + fflush(stderr);
> + qtest_memwrite(qts_global, ar.addr, buf, ar.size);
> + } else {
> + /*
> + * Populate the region using address_space_write_rom to avoid writing
> to
> + * any IO MemoryRegions
> + */
> + address_space_write_rom(first_cpu->as, ar.addr,
> MEMTXATTRS_UNSPECIFIED,
> + buf, ar.size);
> + }
I wonder if you should just copy address_space_write_rom to your own
code. This way you can log the write just like qtest_memwrite would,
while skipping memwrites that would access IO regions.
Paolo
