diff options
Diffstat (limited to 'mknes.c')
| -rw-r--r-- | mknes.c | 33 |
1 files changed, 21 insertions, 12 deletions
@@ -273,7 +273,17 @@ int main(int argc, char **argv) { init_opcode_ud_lut(); // protect_opcode_lut(); - struct nes_state *nstate = aligned_alloc(4096, (sizeof(struct nes_state) + 4095) & ~4095); + // Add this line to /etc/sysctl.conf or create a new file /etc/sysctl.d/99-hugepages.conf: + // vm.nr_hugepages = 20 + // Then apply it: + // sudo sysctl -p /etc/sysctl.d/99-hugepages.conf + + size_t nstate_size = (sizeof(struct nes_state) + 4095) & ~4095; // Round up to page size + struct nes_state *nstate = mmap(0, nstate_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE | MAP_LOCKED, -1, 0); + if (nstate == MAP_FAILED) { + perror("mmap nstate failed"); + exit(1); + } #ifdef BENCHMARK // Run benchmark with configurable parameters @@ -299,9 +309,9 @@ int main(int argc, char **argv) { // ines2_load(nstate, "data/0000/10-Yard Fight (USA, Europe).nes"); // ines2_load(nstate, "data/0000/Balloon Fight (USA).nes"); // ines2_load(nstate, "data/0000/Excitebike (Japan, USA).nes"); - ines2_load(nstate, "data/0000/Ice Climber (USA, Europe, Korea).nes"); + // ines2_load(nstate, "data/0000/Ice Climber (USA, Europe, Korea).nes"); // ines2_load(nstate, "data/0000/Kung Fu (Japan, USA).nes"); - // ines2_load(nstate, "data/0000/Super Mario Bros. (World) (HVC-SM).nes"); + ines2_load(nstate, "data/0000/Super Mario Bros. (World) (HVC-SM).nes"); // ines2_load(nstate, "data/Super Mario Bros. (W) (V1.0) [!].nes"); // ines2_load(nstate, "data/Super Mario Bros. (JU) [!].nes"); // ines2_load(nstate, "data/0000/Urban Champion (World).nes"); @@ -342,8 +352,8 @@ int main(int argc, char **argv) { // ines2_load(nstate, "data/2002/Best of the Best - Championship Karate (USA).zip"); // ines2_load(nstate, "data/0001/Kid Icarus (UE) (V1.1) [!].nes"); - ines2_load(nstate, "data/0001/Metroid (U) [!].nes"); - ines2_load(nstate, "data/0001/Legend of Zelda, The (U) (V1.1) [!].nes"); + // ines2_load(nstate, "data/0001/Metroid (U) [!].nes"); + // ines2_load(nstate, "data/0001/Legend of Zelda, The (U) (V1.1) [!].nes"); // ines2_load(nstate, "data/Blaster Master (USA).zip"); // mapper 1 // ines2_load(nstate, "AccuracyCoin.nes"); // mapper 1 @@ -408,6 +418,7 @@ int main(int argc, char **argv) { if(window->keyboard_state[MKS_KEY_LEFT]) { input |= (1 << 6); } if(window->keyboard_state[MKS_KEY_RIGHT]) { input |= (1 << 7); } nstate->ppu.input[0] = input; + // nstate->ppu.input[0] = tas_input[tas_frame++]; // Run NES emulation for one frame while(!nstate->ppu.frame_ready) { @@ -422,14 +433,13 @@ int main(int argc, char **argv) { // } // nstate->ppu.open_bus = v; // } - // nstate->ppu.input[0] = tas_input[tas_frame++]; frames++; // Dump state every frame starting from 2400 - if(frames >= 2400 && frames <= 3100) { - dump_state(nstate); - } + // if(frames >= 2400 && frames <= 3100) { + // dump_state(nstate); + // } // Convert NES pixels to display buffer uint32_t * restrict dst = display_buffer; @@ -456,15 +466,14 @@ int main(int argc, char **argv) { } // printf("total frames: %6d total cycles: %12llu\n", frames, (unsigned long long)nstate->cpu.cycles); - printf("state dumps created: %zu\n", state_dump_count); + // printf("state dumps created: %zu\n", state_dump_count); if(state_dump_file) { fclose(state_dump_file); } timer_destroy(timer); - free(nstate); - // free_nes_state(&nstate); + munmap(nstate, nstate_size); timer_shutdown(); mkfw_cleanup(window); |