diff options
| -rw-r--r-- | tests/qtest/fuzz/generic_fuzz.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/tests/qtest/fuzz/generic_fuzz.c b/tests/qtest/fuzz/generic_fuzz.c index a8f5864883..3e2d50feaa 100644 --- a/tests/qtest/fuzz/generic_fuzz.c +++ b/tests/qtest/fuzz/generic_fuzz.c @@ -229,10 +229,10 @@ void fuzz_dma_read_cb(size_t addr, size_t len, MemoryRegion *mr, bool is_write) address_range ar = {addr, len}; g_array_append_val(dma_regions, ar); pattern p = g_array_index(dma_patterns, pattern, dma_pattern_index); - void *buf = pattern_alloc(p, ar.size); + void *buf_base = pattern_alloc(p, ar.size); + void *buf = buf_base; hwaddr l, addr1; MemoryRegion *mr1; - uint8_t *ram_ptr; while (len > 0) { l = len; mr1 = address_space_translate(first_cpu->as, @@ -244,30 +244,27 @@ void fuzz_dma_read_cb(size_t addr, size_t len, MemoryRegion *mr, bool is_write) l = memory_access_size(mr1, l, addr1); } else { /* ROM/RAM case */ - ram_ptr = qemu_map_ram_ptr(mr1->ram_block, addr1); - memcpy(ram_ptr, buf, l); - break; + 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] "); + if (double_fetch) { + fprintf(stderr, "[DOUBLE-FETCH] "); + } + fflush(stderr); + } + qtest_memwrite(qts_global, addr, buf, l); } len -= l; buf += l; addr += l; } - 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] "); - if (double_fetch) { - fprintf(stderr, "[DOUBLE-FETCH] "); - } - fflush(stderr); - } - qtest_memwrite(qts_global, ar.addr, buf, ar.size); - g_free(buf); + g_free(buf_base); /* Increment the index of the pattern for the next DMA access */ dma_pattern_index = (dma_pattern_index + 1) % dma_patterns->len; |