/* SPDX-License-Identifier: GPL-2.0-or-later UMKa - User-Mode KolibriOS developer tools umka_os - kind of KolibriOS anykernel Copyright (C) 2018-2023 Ivan Baravy */ #include #include #include #include #define __USE_GNU #include #include #include #include #include #define __USE_MISC #include #include #include #include #include #include "umka.h" #include "umkart.h" #include "shell.h" #include "trace.h" #include "vnet.h" #include "isocline/include/isocline.h" #include "optparse/optparse.h" #define HIST_FILE_BASENAME ".umka_os.history" #define APP_MAX_MEM_SIZE 0x1000000 #define UMKA_LDR_BASE ((void*)0x1000000) struct umka_os_ctx { struct umka_ctx *umka; struct umka_io *io; struct shell_ctx *shell; FILE *fboardlog; }; struct umka_os_ctx *os; char history_filename[PATH_MAX]; static int hw_int_mouse(void *arg) { (void)arg; kos_set_mouse_data(0, -50, 50, 0, 0); return 1; // our interrupt } struct umka_os_ctx * umka_os_init(FILE *fstartup, FILE *fboardlog) { struct umka_os_ctx *ctx = malloc(sizeof(struct umka_os_ctx)); ctx->fboardlog = fboardlog; ctx->umka = umka_init(UMKA_RUNNING_NOT_YET); ctx->io = io_init(&ctx->umka->running); ctx->shell = shell_init(SHELL_LOG_NONREPRODUCIBLE, history_filename, ctx->umka, ctx->io, fstartup); return ctx; } static void build_history_filename(void) { const char *dir_name; if (!(dir_name = getenv("HOME"))) { dir_name = "."; } sprintf(history_filename, "%s/%s", dir_name, HIST_FILE_BASENAME); } struct itimerval timeout = {.it_value = {.tv_sec = 0, .tv_usec = 10000}, .it_interval = {.tv_sec = 0, .tv_usec = 10000}}; static void thread_start(int is_kernel, kos_thread_t entry, size_t stack_size) { fprintf(stderr, "[os] starting thread: %p\n", (void*)(uintptr_t)entry); uint8_t *stack = malloc(stack_size); kos_new_sys_threads(is_kernel, entry, stack + stack_size); } static void dump_procs(void) { for (int i = 0; i < KOS_NR_SCHED_QUEUES; i++) { fprintf(stderr, "[os] sched queue #%i:", i); appdata_t *p_begin = kos_scheduler_current[i]; appdata_t *p = p_begin; do { fprintf(stderr, " %p", (void*)p); p = p->in_schedule.next; } while (p != p_begin); putchar('\n'); } for (size_t i = 0; i < 256; i++) { appdata_t *app = kos_slot_base + i; if (app->state != KOS_TSTATE_FREE && app->app_name[0]) { printf("slot %2.2d: %s\n", i, app->app_name); } } } int load_app_host(const char *fname, struct app_hdr *app) { FILE *f = fopen(fname, "rb"); if (!f) { fprintf(stderr, "[!] can't open app file: %s", fname); exit(1); } fread(app, 1, APP_MAX_MEM_SIZE, f); fclose(f); kos_thread_t start = (kos_thread_t)(app->menuet.start); thread_start(0, start, UMKA_DEFAULT_THREAD_STACK_SIZE); return 0; } /* static int load_app(const char *fname) { int32_t result = umka_fs_execute(fname); printf("result: %" PRIi32 "\n", result); return result; } */ static void handle_i40(int signo, siginfo_t *info, void *context) { (void)signo; (void)info; ucontext_t *ctx = context; void *ip = (void*)ctx->uc_mcontext.__gregs[REG_EIP]; int eax = ctx->uc_mcontext.__gregs[REG_EAX]; if (*(uint16_t*)ip == 0x40cd) { ctx->uc_mcontext.__gregs[REG_EIP] += 2; // skip int 0x40 } fprintf(os->fboardlog, "i40: %i %p\n", eax, ip); umka_i40((pushad_t*)(ctx->uc_mcontext.__gregs + REG_EDI)); } static void hw_int(int signo) { (void)signo; size_t irq = atomic_load_explicit(&umka_irq_number, memory_order_acquire); struct idt_entry *e = kos_idts + UMKA_IRQ_BASE + irq; uintptr_t handler_addr = ((uintptr_t)e->addr_hi << 16) + e->addr_lo; void (*irq_handler)(void) = (void(*)(void)) handler_addr; irq_handler(); umka_sti(); } static void * umka_display(void *arg) { (void)arg; if(SDL_Init(SDL_INIT_VIDEO) < 0) { fprintf(stderr, "Failed to initialize the SDL2 library\n"); return NULL; } char title[64]; sprintf(title, "umka0 %ux%u %ubpp", kos_display.width, kos_display.height, kos_display.bits_per_pixel); SDL_Window *window = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, kos_display.width, kos_display.height, 0); if(!window) { fprintf(stderr, "Failed to create window\n"); return NULL; } SDL_Surface *window_surface = SDL_GetWindowSurface(window); if(!window_surface) { fprintf(stderr, "Failed to get the surface from the window\n"); return NULL; } void (*copy_display)(void *) = NULL; switch (window_surface->format->format) { case SDL_PIXELFORMAT_RGB888: copy_display = copy_display_to_rgb888; break; default: printf("unknown SDL_PIXELFORMAT_* value: 0x%8.8x\n", window_surface->format->format); break; } while (1) { SDL_LockSurface(window_surface); copy_display(window_surface->pixels); SDL_UnlockSurface(window_surface); SDL_UpdateWindowSurface(window); sleep(1); } return NULL; } static void * umka_monitor(void *arg) { struct shell_ctx *sh = arg; run_test(sh); exit(0); } static void umka_thread_board(void) { struct board_get_ret c; while (1) { c = umka_sys_board_get(); if (c.status) { fprintf(os->fboardlog, "%c", c.value); } else { umka_sys_csleep(50); } } } int main(int argc, char *argv[]) { (void)argc; const char *usage = "umka_os [-i ] [-o ]" " [-b ] [-s ]\n"; if (coverage) { trace_begin(); } int show_display = 0; umka_sti(); build_history_filename(); const char *startupfile = NULL; const char *infile = NULL; const char *outfile = NULL; const char *boardlogfile = NULL; FILE *fstartup = NULL; FILE *fin = stdin; FILE *fout = stdout; FILE *fboardlog; struct optparse options; int opt; optparse_init(&options, argv); while ((opt = optparse(&options, "b:di:o:s:")) != -1) { switch (opt) { case 'b': boardlogfile = options.optarg; break; case 'd': show_display = 1; break; case 'i': infile = options.optarg; break; case 'o': outfile = options.optarg; break; case 's': startupfile = options.optarg; break; default: fprintf(stderr, "bad option: %c\n", opt); fputs(usage, stderr); exit(1); } } if (startupfile) { fstartup = fopen(startupfile, "rb"); if (!fstartup) { fprintf(stderr, "[!] can't open file for reading: %s\n", startupfile); exit(1); } } if (infile) { fin = fopen(infile, "rb"); if (!fin) { fprintf(stderr, "[!] can't open file for reading: %s\n", infile); exit(1); } } if (outfile) { fout = fopen(outfile, "wb"); if (!fout) { fprintf(stderr, "[!] can't open file for writing: %s\n", outfile); exit(1); } } if (boardlogfile) { fboardlog = fopen(boardlogfile, "wb"); if (!fboardlog) { fprintf(stderr, "[!] can't open file for writing: %s\n", boardlogfile); exit(1); } } else { fboardlog = fout; } os = umka_os_init(fstartup, fboardlog); struct sigaction sa; sa.sa_sigaction = irq0; sigemptyset(&sa.sa_mask); sa.sa_flags = SA_SIGINFO | SA_RESTART; if (sigaction(SIGALRM, &sa, NULL) == -1) { fprintf(stderr, "Can't install timer interrupt handler!\n"); return 1; } sa.sa_sigaction = handle_i40; sigemptyset(&sa.sa_mask); sa.sa_flags = SA_SIGINFO | SA_NODEFER | SA_RESTART; if (sigaction(SIGSEGV, &sa, NULL) == -1) { fprintf(stderr, "Can't install 0x40 interrupt handler!\n"); return 1; } sa.sa_handler = hw_int; sigemptyset(&sa.sa_mask); sa.sa_flags = SA_RESTART; if (sigaction(UMKA_SIGNAL_IRQ, &sa, NULL) == -1) { fprintf(stderr, "Can't install hardware interrupt handler!\n"); return 1; } struct app_hdr *app_std = mmap(KOS_APP_BASE, APP_MAX_MEM_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (app_std == MAP_FAILED) { perror("mmap app_std failed"); exit(1); } memset((void*)app_std, 0, APP_MAX_MEM_SIZE); struct app_hdr *app_ldr = mmap(UMKA_LDR_BASE, APP_MAX_MEM_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (app_ldr == MAP_FAILED) { perror("mmap app_ldr failed"); exit(1); } memset((void*)app_ldr, 0, APP_MAX_MEM_SIZE); run_test(os->shell); os->shell->fin = fin; clearerr(stdin); // reset feof // load_app("/rd/1/loader"); struct vnet *vnet = vnet_init(VNET_DEVTYPE_TAP, &os->umka->running); if (vnet) { kos_net_add_device(&vnet->eth.net); } else { fprintf(stderr, "[!] can't initialize vnet device\n"); } char devname[64]; for (size_t i = 0; i < umka_sys_net_get_dev_count(); i++) { umka_sys_net_dev_reset(i); umka_sys_net_get_dev_name(i, devname); uint32_t devtype = umka_sys_net_get_dev_type(i); fprintf(stderr, "[!] device %i: %s %u\n", i, devname, devtype); } // network setup should be done from the userspace app, e.g. via zeroconf f76ret_t r76; r76 = umka_sys_net_ipv4_set_subnet(1, inet_addr("255.255.255.0")); if (r76.eax == (uint32_t)-1) { fprintf(stderr, "[!] set subnet error\n"); // return -1; } r76 = umka_sys_net_ipv4_set_gw(1, inet_addr("10.50.0.1")); if (r76.eax == (uint32_t)-1) { fprintf(stderr, "[!] set gw error\n"); // return -1; } r76 = umka_sys_net_ipv4_set_dns(1, inet_addr("192.168.1.1")); if (r76.eax == (uint32_t)-1) { fprintf(stderr, "[!] set dns error\n"); // return -1; } r76 = umka_sys_net_ipv4_set_addr(1, inet_addr("10.50.0.2")); if (r76.eax == (uint32_t)-1) { fprintf(stderr, "[!] set ip addr error\n"); // return -1; } kos_attach_int_handler(UMKA_IRQ_MOUSE, hw_int_mouse, NULL); thread_start(1, umka_thread_board, UMKA_DEFAULT_THREAD_STACK_SIZE); load_app_host("../apps/loader", UMKA_LDR_BASE); // load_app_host("../apps/justawindow", KOS_APP_BASE); load_app_host("../apps/asciivju", KOS_APP_BASE); dump_procs(); pthread_t thread_monitor; pthread_create(&thread_monitor, NULL, umka_monitor, os->shell); if (show_display) { pthread_t thread_display; pthread_create(&thread_display, NULL, umka_display, NULL); } atomic_store_explicit(&os->umka->running, UMKA_RUNNING_YES, memory_order_release); setitimer(ITIMER_REAL, &timeout, NULL); umka_osloop(); // doesn't return if (coverage) trace_end(); return 0; }