yannick.naumann/RT-Task-Generator-QEMU
1
0
Fork 0
forked from alwin.berger/FRET-qemu
Code Pull Requests Activity

Add output reading

Browse Source
This commit is contained in:
Yannick Naumann 2024-08-26 16:07:46 +02:00
parent bd9237e8af
commit d7dccf9c44
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
system/main.c
View File

@ -107,6 +107,7 @@ int main(int argc, char **argv)
unsigned long deltas[input_size];
u_int32_t inputs[input_size];
u_int32_t outputs[input_size];
//========= Instrumentation end
qemu_init(argc, argv);
//========= Instrumentation start
@ -123,8 +124,9 @@ int main(int argc, char **argv)
uint8_t register_in_32b[4];
uint8_t reg_tmp_val[4];
uint8_t code_output[4];
// load input
//cpu_physical_memory_rw(target_addr, buffer, read_len, true);
// cpu_physical_memory_rw(target_addr, buffer, read_len, true);
for (u_int32_t i = 0; i < input_size; i++)
{
@ -169,9 +171,18 @@ int main(int argc, char **argv)
vm_start();
qemu_main_loop();
libafl_qemu_remove_native_breakpoint(end);
length = libafl_qemu_read_reg(cpu, 11, code_output);
if(length != 4) {
printf("Error: Could not read register\n");
}
u_int32_t output = (u_int32_t)code_output[0] | ((u_int32_t)code_output[1] << 8) | ((u_int32_t)code_output[2] << 16) | ((u_int32_t)code_output[3] << 24);
printf("Output: %u\n", output);
unsigned long end_count = icount_get_raw();
printf("End: %lu\n", end_count);
inputs[i] = i;
outputs[i] = output;
deltas[i] = end_count - start_count;
printf("Delta: %lu\n", deltas[i]);
@ -182,7 +193,7 @@ int main(int argc, char **argv)
FILE *fptr = fopen(output_path, "w");
for (int i = 0; i < input_size; i++) {
fprintf(fptr, "%d,%lu\n", inputs[i], deltas[i]);
fprintf(fptr, "%d,%lu,%d\n", inputs[i], deltas[i],outputs[i]);
}
fclose(fptr);