yannick.naumann/RT-Task-Generator-QEMU
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Fix output writing and memory init

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Yannick Naumann 2024-11-19 16:00:56 +01:00
parent 563efb1bc9
commit 7bf5e50426
1 changed files with 7 additions and 5 deletions
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12
system/main.c
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@ -136,12 +136,11 @@ int main(int argc, char **argv)
// load input // load input
// cpu_physical_memory_rw(target_addr, buffer, read_len, true); // cpu_physical_memory_rw(target_addr, buffer, read_len, true);
int task_inputs[num_tasks]; u_int32_t task_inputs[num_tasks];
fclose(fopen(output_path, "w")); fclose(fopen(output_path, "w"));
FILE *fptr = fopen(output_path, "a"); FILE *fptr = fopen(output_path, "a");
// input of all tasks combined // input of all tasks combined
for (long i = 0; i < full_input_room; i++) for (long i = 0; i < full_input_room; i++)
@ -151,7 +150,7 @@ int main(int argc, char **argv)
{ {
// from the "global input" i, extract the input bits for the task j // from the "global input" i, extract the input bits for the task j
task_inputs[j] = (i >> (j * (__builtin_popcount(input_size - 1)))) & (input_size - 1); task_inputs[j] = (i >> (j * (__builtin_popcount(input_size - 1)))) & (input_size - 1);
printf("Task %d: %d\n", j, task_inputs[j]); printf("Task %d: %d\n", j + 1, task_inputs[j]);
} }
// load the system in the halted state at the beginning of the task; Write input to register // load the system in the halted state at the beginning of the task; Write input to register
@ -164,6 +163,9 @@ int main(int argc, char **argv)
// printf("reg count: %d\n", libafl_qemu_num_regs(cpu)); // printf("reg count: %d\n", libafl_qemu_num_regs(cpu));
for (int j = 0; j < num_tasks; j++) for (int j = 0; j < num_tasks; j++)
{ {
// Initialize register_in_32b array
memset(register_in_32b, 0, sizeof(register_in_32b));
// Write i to register format // Write i to register format
register_in_32b[0] = task_inputs[j] & 0xFF; // Least significant byte register_in_32b[0] = task_inputs[j] & 0xFF; // Least significant byte
register_in_32b[1] = (task_inputs[j] >> 8) & 0xFF; register_in_32b[1] = (task_inputs[j] >> 8) & 0xFF;
@ -216,7 +218,7 @@ int main(int argc, char **argv)
// // Write to serial port // // Write to serial port
// qemu_chr_fe_write(serial_chr, data, length); // qemu_chr_fe_write(serial_chr, data, length);
fclose(fptr); fclose(fptr);
free(deltas); free(deltas);
free(inputs); free(inputs);