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kernel/syscalls.c

Depends on: headers/arch/x86/boot/bootdefs.h, headers/arch/x86/hal_io.h, headers/arch/x86/msr.h, headers/batch.h, headers/block.h, headers/driver.h, headers/drivers/kbd.h, headers/futex.h, headers/ide.h, headers/ktime.h, headers/lz4_kernel.h, headers/minifs.h, headers/net.h, headers/pcache.h, headers/pcm2.h, headers/pcspk.h, headers/percpu_rq.h, headers/proc_sec.h, headers/randmix.h, headers/rcu.h, headers/rtc.h, headers/sanitize.h, headers/sb16.h, headers/sched.h, headers/select_map.h, headers/shell.h, headers/spawn.h, headers/sync.h, headers/syscalls_proc.h, headers/tlb.h, headers/vga_fb.h, headers/zip.h

• kfd_view_current (function) kernel/syscalls.c:61 static kfd_view_t *kfd_view_current(void) -- Docstring: View owning the caller's fds: its own on isolated procs * and threads, the root on pid 0 and any pid...
• kfd_view_root (function) kernel/syscalls.c:71 kfd_view_t *kfd_view_root(void) -- Docstring: Static root view (shell pid 0, pids without their own): * entries are the historical shared table, never...
• kfd_get (function) kernel/syscalls.c:90 KFILE *kfd_get(int fd)
• kfd_put (function) kernel/syscalls.c:103 void kfd_put(KFILE *f)
• kfd_view_count (function) kernel/syscalls.c:115 static int kfd_view_count(kfd_view_t *v) -- } void kfd_put(KFILE *f) { irqflags_t flags; int drop = 0; if (!f) return; spin_lock_irqsave(&fd_lock, &flags)...
• untouched (function) kernel/syscalls.c:139 * child untouched (caller refuses fail-closed). */ int kfd_view_copy(proc_t *child, proc_t *parent)
• NULL (function) kernel/syscalls.c:166 * on NULL (already released or never owned). */ void kfd_view_release(proc_t *p)
• kfd_view_cloexec (function) kernel/syscalls.c:197 void kfd_view_cloexec(void) -- Docstring: Close every CLOEXEC fd in the caller's own view (execve: the image is replaced, marked descriptors must...
• by (function) kernel/syscalls.c:225 * is indexed by (syscall_number - 200). New syscalls are added by: * 1. Adding a MINIOS_SYS_* constant to...
• wall_us_now (function) kernel/syscalls.c:256 unsigned long wall_us_now(void) -- wall_us_now: RTC-anchored wall clock in microseconds (Phase 0.2/0.3).
• sys_minios_dns (function) kernel/syscalls.c:266 static long sys_minios_dns(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_tls_retired (function) kernel/syscalls.c:271 static long sys_minios_tls_retired(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_time (function) kernel/syscalls.c:284 static long sys_linux_time(long a1, long a2, long a3, long a4, long a5, long a6) -- time (201): the retired kernel-TLS handshake number now serves Linux time(2), exactly as 202 serves futex (ADR-0014...
• sys_linux_futex (function) kernel/syscalls.c:293 static long sys_linux_futex(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_time (function) kernel/syscalls.c:342 static long sys_minios_time(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_kbd (function) kernel/syscalls.c:346 static long sys_minios_kbd(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_palette (function) kernel/syscalls.c:366 static long sys_minios_palette(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_kbd_raw (function) kernel/syscalls.c:378 static long sys_minios_kbd_raw(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_vga_mode (function) kernel/syscalls.c:384 static long sys_minios_vga_mode(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_pcspk_init (function) kernel/syscalls.c:391 static long sys_minios_pcspk_init(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_pcspk_tone (function) kernel/syscalls.c:395 static long sys_minios_pcspk_tone(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_doom_frame (function) kernel/syscalls.c:409 static long sys_minios_doom_frame(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_gfx_zoom (function) kernel/syscalls.c:420 static long sys_minios_gfx_zoom(long a1, long a2, long a3, long a4, long a5, long a6) -- Graphics window scale request (a1): 0 native, 1 2x nearest-neighbour zoom for the 320x200 game window, 2 true...
• sys_minios_rtc (function) kernel/syscalls.c:429 static long sys_minios_rtc(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_fb_info (function) kernel/syscalls.c:442 static long sys_minios_fb_info(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_pcspk_vol (function) kernel/syscalls.c:462 static long sys_minios_pcspk_vol(long a1, long a2, long a3, long a4, long a5, long a6)
• boot (function) kernel/syscalls.c:479 * boot (minfo_sleep_init from sched_init);
• minfo_sleep_init (function) kernel/syscalls.c:486 void minfo_sleep_init(int tick_ok)
• minfo_tick_wake (function) kernel/syscalls.c:491 void minfo_tick_wake(void *ctx)
• view (function) kernel/syscalls.c:503 * view (same as the clear` builtin). Anything else is -EINVAL. Each

• out-word is range-checked...`

• sys_minios_spawn (function) kernel/syscalls.c:594 static long sys_minios_spawn(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_lz4_compress (function) kernel/syscalls.c:605 static long sys_minios_lz4_compress(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_lz4_decompress (function) kernel/syscalls.c:618 static long sys_minios_lz4_decompress(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_mouse (function) kernel/syscalls.c:632 static long sys_minios_mouse(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_nk_frame (function) kernel/syscalls.c:656 static long sys_minios_nk_frame(long a1, long a2, long a3, long a4, long a5, long a6)
• sb16_audio_device (function) kernel/syscalls.c:669 static device_t *sb16_audio_device(void) -- } static long sys_minios_nk_frame(long a1, long a2, long a3, long a4, long a5, long a6) { (void)a2; (void)a3...
• sys_minios_sb16_open (function) kernel/syscalls.c:675 static long sys_minios_sb16_open(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_sb16_submit (function) kernel/syscalls.c:687 static long sys_minios_sb16_submit(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_gfx_title (function) kernel/syscalls.c:698 static long sys_minios_gfx_title(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_sb16_pump (function) kernel/syscalls.c:712 static long sys_minios_sb16_pump(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_sb16_stream_open (function) kernel/syscalls.c:716 static long sys_minios_sb16_stream_open(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_sb16_stream_close (function) kernel/syscalls.c:720 static long sys_minios_sb16_stream_close(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_sb16_stream_submit (function) kernel/syscalls.c:724 static long sys_minios_sb16_stream_submit(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_pcm2_open (function) kernel/syscalls.c:737 static long sys_minios_pcm2_open(long a1, long a2, long a3, long a4, long a5, long a6) -- Low-latency PCM path (pcm2, syscalls 246-248): OPEN takes flags, WRITE returns bytes taken (blocking unless...
• sys_minios_pcm2_write (function) kernel/syscalls.c:742 static long sys_minios_pcm2_write(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_pcm2_close (function) kernel/syscalls.c:750 static long sys_minios_pcm2_close(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_clip_set (function) kernel/syscalls.c:760 static long sys_minios_clip_set(long a1, long a2, long a3, long a4, long a5, long a6) -- Shared text clipboard (syscalls 249-250): SET copies len bytes in (refused past 4096, never truncated), GET copies...
• sys_minios_clip_get (function) kernel/syscalls.c:770 static long sys_minios_clip_get(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_sb16_stream_vol (function) kernel/syscalls.c:786 static long sys_minios_sb16_stream_vol(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_futex_wait (function) kernel/syscalls.c:799 static long sys_minios_futex_wait(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_futex_wake (function) kernel/syscalls.c:805 static long sys_minios_futex_wake(long a1, long a2, long a3, long a4, long a5, long a6)
• batch_kdispatch (function) kernel/syscalls.c:814 static long batch_kdispatch(uint32_t opcode)
• DOOM_FRAME (function) kernel/syscalls.c:829 * DOOM_FRAME (211) and NK_FRAME (220) stay as compat aliases. */ static long sys_minios_gfx_prese...
• sys_minios_getc_raw (function) kernel/syscalls.c:863 static long sys_minios_getc_raw(long a1, long a2, long a3, long a4, long a5, long a6) -- Raw keystroke read for fullscreen ring-3 programs (vedit): one byte from the serial + PS/2 multiplexer with no line...
• sys_minios_submit_batch (function) kernel/syscalls.c:874 static long sys_minios_submit_batch(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_rlimit (function) kernel/syscalls.c:897 static long sys_minios_rlimit(long a1, long a2, long a3, long a4, long a5, long a6) -- RLIMIT/cgroups-lite (240): a1 = op (SET/GET), a2 = resource (AS/CPU/NOFILE), a3 = value for SET.
• sys_linux_getdents64 (function) kernel/syscalls.c:976 static long sys_linux_getdents64(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_dir_list (function) kernel/syscalls.c:1069 static long sys_minios_dir_list(long a1, long a2, long a3, long a4, long a5, long a6)
• syscall_trace_enabled (function) kernel/syscalls.c:1241 long syscall_trace_enabled(void)
• syscall_trace_set (function) kernel/syscalls.c:1242 void syscall_trace_set(int on)
• syscall_trace_verbose_enabled (function) kernel/syscalls.c:1243 long syscall_trace_verbose_enabled(void)
• syscall_trace_verbose_set (function) kernel/syscalls.c:1244 void syscall_trace_verbose_set(int on)
• syscall_trace_shown (function) kernel/syscalls.c:1245 unsigned long syscall_trace_shown(void)
• unchanged (function) kernel/syscalls.c:1260 * unchanged (same code, same order of checks). Numbers >= 200 that * overlap real Linux ABIs stay in the switch as...
• sys_linux_read (function) kernel/syscalls.c:1271 static long sys_linux_read(long a1, long a2, long a3, long a4, long a5, long a6)
• EAGAIN (function) kernel/syscalls.c:1287 * writer open is EAGAIN (-11, retry);
• EOF (function) kernel/syscalls.c:1288 * is EOF (0). */ KFILE *o = kfd_get(0);
• fd_write (function) kernel/syscalls.c:1327 static long fd_write(long fd, const char *buf, long cnt) -- Write cnt validated user bytes to fd: a dup2/pipe override on fd 1/2 (pipeline stage stdout) is served instead of...
• sys_linux_write (function) kernel/syscalls.c:1351 static long sys_linux_write(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_writev (function) kernel/syscalls.c:1358 static long sys_linux_writev(long a1, long a2, long a3, long a4, long a5, long a6)
• kfd_install (function) kernel/syscalls.c:1403 static long kfd_install(KFILE *f, int cloexec) -- Install an open description as the lowest free fd (>= 3), honouring * close-on-exec; shared by do_open_path's file...
• do_open_kpath (function) kernel/syscalls.c:1426 static long do_open_kpath(const char *path, long flags) -- Trusted core: path is already a kernel string (syscall argument that * passed SANITIZE_STR, or an *at(2) join...
• do_open_path (function) kernel/syscalls.c:1452 static long do_open_path(const char *path, long flags)
• sys_linux_open (function) kernel/syscalls.c:1457 static long sys_linux_open(long a1, long a2, long a3, long a4, long a5, long a6)
• cwd (function) kernel/syscalls.c:1466 `* ENAMETOOLONG instead of silently resolving against the cwd (the bug

• that broke shutil.rmtree...`

• kfd_claim_from (function) kernel/syscalls.c:1529 static long kfd_claim_from(KFILE *f, long minfd, int cloexec) -- Claim the lowest free fd slot >= minfd for an already-opened KFILE (pipes, dup, eventfd), arming close-on-exec when...
• kfd_claim (function) kernel/syscalls.c:1554 static long kfd_claim(KFILE *f)
• sys_linux_pipe2 (function) kernel/syscalls.c:1578 static long sys_linux_pipe2(long a1, long a2, long a3, long a4, long a5, long a6) -- pipe2 (293): O_CLOEXEC arms close-on-exec on both ends, O_NONBLOCK makes * both descriptions non-blocking; O_DIRECT...
• sys_linux_pipe (function) kernel/syscalls.c:1606 static long sys_linux_pipe(long a1, long a2, long a3, long a4, long a5, long a6)
• kfd_cloexec_get (function) kernel/syscalls.c:1612 static int kfd_cloexec_get(long fd) -- kfclose(w); return wfd; } ufd[0] = (int)rfd; ufd[1] = (int)wfd; return 0; } static long sys_linux_pipe(long a1, long...
• kfd_cloexec_set (function) kernel/syscalls.c:1622 static void kfd_cloexec_set(long fd, int on)
• kfile_status_flags (function) kernel/syscalls.c:1633 static long kfile_status_flags(KFILE *f) -- Linux open-file status flags of a description: access mode from its * kind plus O_APPEND and O_NONBLOCK.
• sys_linux_dup3 (function) kernel/syscalls.c:1684 static long sys_linux_dup3(long a1, long a2, long a3, long a4, long a5, long a6) -- break; case LINUX_F_SETFL: if (f) f->nonblock = (a3 & LINUX_O_NONBLOCK) ?
• sys_linux_close_range (function) kernel/syscalls.c:1694 static long sys_linux_close_range(long a1, long a2, long a3, long a4, long a5, long a6) -- return r; } /* dup3 (292): dup2 with O_CLOEXEC as the only flag; old == new is EINVAL. static long...
• sys_linux_eventfd2 (function) kernel/syscalls.c:1718 static long sys_linux_eventfd2(long a1, long a2, long a3, long a4, long a5, long a6) -- spin_lock_irqsave(&fd_lock, &flags_irq); for (fd = lo; fd <= hi && fd < KFD_MAX; fd++) if (v->f[fd]) v->cloexec |=...
• sys_linux_eventfd (function) kernel/syscalls.c:1731 static long sys_linux_eventfd(long a1, long a2, long a3, long a4, long a5, long a6)
• kfd_poll_revents (function) kernel/syscalls.c:1739 int kfd_poll_revents(int fd) -- Docstring: poll(2) readiness of a non-socket descriptor (pipes, eventfds, files, console), masked by nothing: the...
• kfile_user_read (function) kernel/syscalls.c:1774 static long kfile_user_read(KFILE *f, char *buf, long cnt) -- Linux read on a description: an eventfd takes its counter, a pipe read end blocks (yielding) while empty with the...
• kfile_user_write (function) kernel/syscalls.c:1804 static long kfile_user_write(KFILE *f, const char *buf, long cnt) -- Linux write on a description: an eventfd adds to its counter, a pipe write end blocks (yielding) while full unless...
• sys_linux_dup (function) kernel/syscalls.c:1833 static long sys_linux_dup(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_dup2 (function) kernel/syscalls.c:1848 static long sys_linux_dup2(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_close (function) kernel/syscalls.c:1882 static long sys_linux_close(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_lseek (function) kernel/syscalls.c:1905 static long sys_linux_lseek(long a1, long a2, long a3, long a4, long a5, long a6)
• mm_ensure_cur (function) kernel/syscalls.c:1923 static int mm_ensure_cur(unsigned long start, unsigned long end) -- Back isolated user windows (mrun/proc_spawn_elf): their page tables start with only segments + stack mapped, so...
• sys_linux_brk (function) kernel/syscalls.c:1932 static long sys_linux_brk(long a1, long a2, long a3, long a4, long a5, long a6)
• mmap_tag_file (function) kernel/syscalls.c:1973 static int mmap_tag_file(unsigned long base, int ino, unsigned long off) -- Docstring: Tag a freshly carved live node as file-backed.
• mmap_range_free (function) kernel/syscalls.c:1988 static int mmap_range_free(unsigned long base, unsigned long len) -- Invariant guard for every range mmap hands out: it must not overlap a live mapping or reach below the brk heap.
• sys_linux_mmap (function) kernel/syscalls.c:1997 static long sys_linux_mmap(long a1, long a2, long a3, long a4, long a5, long a6)
• vma_live_first_overlap (function) kernel/syscalls.c:2095 static vma_node_t *vma_live_first_overlap(unsigned long base, unsigned long end) -- Lowest live mapping overlapping [base, end), or VMA_NIL.
• vma_live_remainder (function) kernel/syscalls.c:2112 static int vma_live_remainder(unsigned long base, unsigned long len, int file, int ino, u... -- int sp = 0; vma_node_t *x = vma_live_root; while (x != VMA_NIL || sp > 0) { while (x != VMA_NIL) { if (sp < 64)...
• split (function) kernel/syscalls.c:2126 * hold a split (the mapping is restored untouched). */ static long sys_linux_munmap(long a1, long...
• mprotect_pte (function) kernel/syscalls.c:2176 static volatile unsigned long *mprotect_pte(unsigned long cr3, unsigned long va) -- Docstring: Locate the PTE for a user address in the caller's live tables (syscall entry keeps the caller CR3 loaded...
• first (function) kernel/syscalls.c:2200 `* passes under mm_lock: validate every page first (present, user,

• private), then apply, so a h...`

• vma_free_cover (function) kernel/syscalls.c:2281 static vma_node_t *vma_free_cover(unsigned long base, unsigned long len) -- Free-tree node covering [base, base+len) entirely, or VMA_NIL.
• vma_live_overlap (function) kernel/syscalls.c:2300 static int vma_live_overlap(unsigned long base, unsigned long len) -- while (x != VMA_NIL || sp > 0) { while (x != VMA_NIL) { if (sp < 64) stack[sp++] = x; x = x->left; } x =...
• node (function) kernel/syscalls.c:2322 * mapping is one exact live VMA node (what mmap inserts);
• sys_linux_mremap (function) kernel/syscalls.c:2327 static long sys_linux_mremap(long a1, long a2, long a3, long a4, long a5, long a6) -- Linux mremap(25): resize or move one mmap region. glibc's realloc calls it when growing large mmap'd chunks (the...
• sys_linux_sigaction (function) kernel/syscalls.c:2593 static long sys_linux_sigaction(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_sigprocmask (function) kernel/syscalls.c:2598 static long sys_linux_sigprocmask(long a1, long a2, long a3, long a4, long a5, long a6)
• kfile_readable_bytes (function) kernel/syscalls.c:2617 static int kfile_readable_bytes(KFILE *f) -- #define LINUX_TCGETS 0x5401 #define LINUX_TIOCGWINSZ 0x5413 #define LINUX_FIONREAD 0x541B #define...
• FIONREAD (function) kernel/syscalls.c:2633 `* descriptor answers FIONREAD (bytes readable now), FIONBIO (O_NONBLOCK),

• FIOCLEX/FIONCLEX (FD...`

• sys_linux_access (function) kernel/syscalls.c:2673 static long sys_linux_access(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_socket (function) kernel/syscalls.c:2695 static long sys_linux_socket(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_connect (function) kernel/syscalls.c:2700 static long sys_linux_connect(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_bind (function) kernel/syscalls.c:2706 static long sys_linux_bind(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_listen (function) kernel/syscalls.c:2712 static long sys_linux_listen(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_accept (function) kernel/syscalls.c:2717 static long sys_linux_accept(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_sendto (function) kernel/syscalls.c:2723 static long sys_linux_sendto(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_recvfrom (function) kernel/syscalls.c:2728 static long sys_linux_recvfrom(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_shutdown (function) kernel/syscalls.c:2733 static long sys_linux_shutdown(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_prlimit64 (function) kernel/syscalls.c:2768 static long sys_linux_prlimit64(long a1, long a2, long a3, long a4, long a5, long a6) -- prlimit64(pid, resource, new, old): pid 0 or a live pid.
• sys_linux_sched_getaffinity (function) kernel/syscalls.c:2801 static long sys_linux_sched_getaffinity(long a1, long a2, long a3, long a4, long a5, long a6) -- sched_getaffinity(pid, size, mask): every task may run on every CPU, so the mask has the low cpu_count bits set; the...
• linux_timespec_us (function) kernel/syscalls.c:2823 static long linux_timespec_us(long ts) -- Microseconds of a user timespec, or -EINVAL when it is malformed * (negative, or tv_nsec outside [0, 1e9)); huge...
• sys_linux_pause (function) kernel/syscalls.c:2840 static long sys_linux_pause(long a1, long a2, long a3, long a4, long a5, long a6) -- pause(34): wait for a signal.
• sys_linux_nanosleep (function) kernel/syscalls.c:2848 static long sys_linux_nanosleep(long a1, long a2, long a3, long a4, long a5, long a6) -- nanosleep(35): sleep the relative interval at *req on the monotonic * clock; -EINVAL for a malformed interval...
• clock (function) kernel/syscalls.c:2859 * clock (the monotonic TSC clock times it, as Linux does: glibc sends * every nanosleep here as a relative...
• clock_gettime (function) kernel/syscalls.c:2863 * clock_gettime(1) reads. */ static long sys_linux_clock_nanosleep(long a1, long a2, long a3, lon...
• long (function) kernel/syscalls.c:2865 unsigned long (*now)(void);
• sys_linux_setsockopt (function) kernel/syscalls.c:2880 static long sys_linux_setsockopt(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_getsockopt (function) kernel/syscalls.c:2887 static long sys_linux_getsockopt(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_getsockname (function) kernel/syscalls.c:2894 static long sys_linux_getsockname(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_getpeername (function) kernel/syscalls.c:2900 static long sys_linux_getpeername(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_sendmsg (function) kernel/syscalls.c:2906 static long sys_linux_sendmsg(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_sendmmsg (function) kernel/syscalls.c:2912 static long sys_linux_sendmmsg(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_poll (function) kernel/syscalls.c:2920 static long sys_linux_poll(long a1, long a2, long a3, long a4, long a5, long a6)
• select_timeout_ms (function) kernel/syscalls.c:2946 static int select_timeout_ms(const long *t, int pselect, long *out) -- Convert a sanitized timeval/timespec to a net_sys_poll budget: 0 polls once, -1 waits forever (net_sys_poll's...
• sys_linux_select (function) kernel/syscalls.c:3031 static long sys_linux_select(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_pselect6 (function) kernel/syscalls.c:3036 static long sys_linux_pselect6(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_flock (function) kernel/syscalls.c:3041 static long sys_linux_flock(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_fsync (function) kernel/syscalls.c:3050 static long sys_linux_fsync(long a1, long a2, long a3, long a4, long a5, long a6) -- fsync/fdatasync: the ramdisk is memory (always durable) and MiniFS persists through kfclose/minifs_sync, so there is...
• sys_linux_fdatasync (function) kernel/syscalls.c:3055 static long sys_linux_fdatasync(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_getcwd (function) kernel/syscalls.c:3060 static long sys_linux_getcwd(long a1, long a2, long a3, long a4, long a5, long a6)
• unlink_kpath (function) kernel/syscalls.c:3073 static long unlink_kpath(const char *path) -- static long sys_linux_getcwd(long a1, long a2, long a3, long a4, long a5, long a6) { (void)a3; (void)a4; (void)a5...
• sys_linux_unlink (function) kernel/syscalls.c:3089 static long sys_linux_unlink(long a1, long a2, long a3, long a4, long a5, long a6)
• readlink_path (function) kernel/syscalls.c:3101 static long readlink_path(const char *path, char *buf, long bufsz) -- readlink of /proc/self/exe answers the caller's image path (absolute, no NUL, truncated to the buffer like Linux)...
• sys_linux_readlink (function) kernel/syscalls.c:3117 static long sys_linux_readlink(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_prctl (function) kernel/syscalls.c:3123 static long sys_linux_prctl(long a1, long a2, long a3, long a4, long a5, long a6) -- if (!exe[0]) return -2; len = (long)kstrlen(exe) + 1; if (len > bufsz) len = bufsz; buf[0] = '/'; for (i = 1; i <...
• sys_linux_rename (function) kernel/syscalls.c:3132 static long sys_linux_rename(long a1, long a2, long a3, long a4, long a5, long a6) -- rename(82): same-filesystem file move through fs_rename (ramdisk in-place, MiniFS entry move).
• sys_linux_fstat (function) kernel/syscalls.c:3146 static long sys_linux_fstat(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_gettimeofday (function) kernel/syscalls.c:3171 static long sys_linux_gettimeofday(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_arch_prctl (function) kernel/syscalls.c:3194 static long sys_linux_arch_prctl(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_uname (function) kernel/syscalls.c:3206 static long sys_linux_uname(long a1, long a2, long a3, long a4, long a5, long a6)
• answer (function) kernel/syscalls.c:3230 `* made glibc answer (uid_t)-1, which CPython's startup reads. */ #define LINUX_UID_GID_ROOT 0

st...`

• sys_linux_getgid (function) kernel/syscalls.c:3238 static long sys_linux_getgid(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_geteuid (function) kernel/syscalls.c:3243 static long sys_linux_geteuid(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_getegid (function) kernel/syscalls.c:3248 static long sys_linux_getegid(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_madvise (function) kernel/syscalls.c:3255 static long sys_linux_madvise(long a1, long a2, long a3, long a4, long a5, long a6) -- madvise (28): advice only; glibc frees thread stacks with it and * ignores the result, MiniOS keeps the pages, so 0...
• sys_linux_mkdir (function) kernel/syscalls.c:3263 static long sys_linux_mkdir(long a1, long a2, long a3, long a4, long a5, long a6) -- mkdir (83): a MiniFS directory.
• rmdir_kpath (function) kernel/syscalls.c:3299 static long rmdir_kpath(const char *path) -- rmdir (84): remove one empty MiniFS directory (the ramdisk carries no directories of its own; its prefixes come from...
• sys_linux_rmdir (function) kernel/syscalls.c:3320 static long sys_linux_rmdir(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_umask (function) kernel/syscalls.c:3334 static long sys_linux_umask(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_fchmod (function) kernel/syscalls.c:3357 static long sys_linux_fchmod(long a1, long a2, long a3, long a4, long a5, long a6)
• trace_is_noisy (function) kernel/syscalls.c:3443 static int trace_is_noisy(long n)
• syscall_name (function) kernel/syscalls.c:3472 const char *syscall_name(long n) -- define SC_EXTRA_COUNT (sizeof(sc_extra_names) / sizeof(sc_extra_names[0]))
• trace_hint_print (function) kernel/syscalls.c:3513 static void trace_hint_print(long n, int kind, const char *path, lon...
• sc_record (function) kernel/syscalls.c:3537 static void sc_record(long n, long a1, long a2, long a3, long ret)
• sc_hex (function) kernel/syscalls.c:3557 static void sc_hex(unsigned long v)
• sc_record_dump (function) kernel/syscalls.c:3567 void sc_record_dump(int pid) -- e->a3 = a3; e->ret = ret; } static void sc_hex(unsigned long v) { static const char digits[] = "0123456789abcdef"...
• ksyscall (function) kernel/syscalls.c:3585 long ksyscall(long n, long a1, long a2, long a3, long a4, long a5, long a6)
• user_range_ok (function) kernel/syscalls.c:3624 int user_range_ok(unsigned long p, unsigned long len)
• Discipline (function) kernel/syscalls.c:3637 * * Discipline (audit 2026-09, kept as comment, not a deprecation: both * primitives are legitimate): user_range_ok...
• products (function) kernel/syscalls.c:3641 `* products (writev cntsizeof, poll a28, spawn (argc+1)*sizeof) are

• pre-bounded against (END-...`

• ksyscall_dispatch (function) kernel/syscalls.c:3654 static long ksyscall_dispatch(long n, long a1, long a2, long a3, long a4, long a5, long a6)
• readlink (function) kernel/syscalls.c:3801 * readlink (89). */ return readlink_path((const char *)a2, (char *)a3, a4);
• proc_spawn_elf (function) kernel/syscalls.c:3923 * proc_spawn_elf (the same path mrun uses) and the caller blocks in * do_waitpid, so the parent address space is...
• k_syscall_spawn (function) kernel/syscalls.c:3932 static int k_syscall_spawn(const char *path, const char *redirect, i...

kernel/syscalls_proc.c

Depends on: headers/proc_sec.h, headers/sanitize.h, headers/sched.h, headers/syscalls_proc.h

• state (function) kernel/syscalls_proc.c:5 * touches only scheduler state (current_pid, procs[], do_* / * seccomp_* / yield) plus the kernel-wide user_range_ok...
• sys_minios_clone (function) kernel/syscalls_proc.c:18 long sys_minios_clone(long flags, long newsp, long a3, long a4, long a5, long a6)
• sys_minios_thread_spawn (function) kernel/syscalls_proc.c:24 long sys_minios_thread_spawn(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_minios_seccomp (function) kernel/syscalls_proc.c:37 long sys_minios_seccomp(long a1, long a2, long a3, long a4, long a5, long a6) -- Seccomp-basic (238): a1 = op (1 deny-one, 2 allow-one, 3 deny-all), a2 = syscall number (ops 1-2).
• sys_minios_nice (function) kernel/syscalls_proc.c:53 long sys_minios_nice(long a1, long a2, long a3, long a4, long a5, long a6) -- int pid = current_pid; if (a1 == SECCOMP_OP_DENY_ONE) return seccomp_deny_one(pid, (int)a2); if (a1 ==...
• sys_linux_yield (function) kernel/syscalls_proc.c:66 long sys_linux_yield(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_getpid (function) kernel/syscalls_proc.c:75 long sys_linux_getpid(long a1, long a2, long a3, long a4, long a5, long a6) -- getpid answers the thread group: a CLONE_THREAD member reports its leader, a process its own pid.
• sys_linux_clone (function) kernel/syscalls_proc.c:83 long sys_linux_clone(long a1, long a2, long a3, long a4, long a5, long a6) -- getpid answers the thread group: a CLONE_THREAD member reports its leader, a process its own pid.
• sys_linux_fork (function) kernel/syscalls_proc.c:89 long sys_linux_fork(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_vfork (function) kernel/syscalls_proc.c:94 long sys_linux_vfork(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_execve (function) kernel/syscalls_proc.c:99 long sys_linux_execve(long a1, long a2, long a3, long a4, long a5, long a6)
• sys_linux_exit (function) kernel/syscalls_proc.c:184 long sys_linux_exit(long a1, long a2, long a3, long a4, long a5, long a6)
• kill (function) kernel/syscalls_proc.c:192 * historic kill (SIGKILL), -N is signal N (a seccomp kill is -SIGSYS). */ #define LINUX_WNOHANG ...
• groups (function) kernel/syscalls_proc.c:213 * groups (pid 0 and < -1) are not modelled and wait for any child. */ long sys_linux_wait4(long a...
• sig (function) kernel/syscalls_proc.c:245 * the target as killed by sig (wait4 reports WTERMSIG);
• sys_linux_kill (function) kernel/syscalls_proc.c:248 long sys_linux_kill(long a1, long a2, long a3, long a4, long a5, long a6) -- kill(pid, sig): sig 0 only probes that pid exists; a fatal signal ends the target as killed by sig (wait4 reports...
• sys_linux_gettid (function) kernel/syscalls_proc.c:259 long sys_linux_gettid(long a1, long a2, long a3, long a4, long a5, long a6)

kernel/tick.c

Depends on: headers/tick.h

• tick_reset (function) kernel/tick.c:34 void tick_reset(void) -- /** Docstring: Audio listener table. static tick_slot_t tick_audio_slots[TICK_MAX_AUDIO_LISTENERS]; /** Docstring...
• tick_register_audio (function) kernel/tick.c:58 int tick_register_audio(tick_fn_t fn, void *ctx) -- Docstring: Register an unconditional BSP audio effect.
• tick_register_desktop (function) kernel/tick.c:76 int tick_register_desktop(tick_fn_t fn, void *ctx) -- Docstring: Register a gated desktop effect.
• tick_register_usb (function) kernel/tick.c:89 int tick_register_usb(tick_fn_t fn, void *ctx)
• tick_run_usb (function) kernel/tick.c:103 void tick_run_usb(void) -- int tick_register_usb(tick_fn_t fn, void *ctx) { if (fn == NULL) { return -1; } if (tick_usb_used < 0 ||...
• tick_run_audio (function) kernel/tick.c:113 void tick_run_audio(void) -- return 0; } /** Docstring: Run USB listeners in registration order. void tick_run_usb(void) { int i; for (i = 0; i <...
• tick_run_desktop (function) kernel/tick.c:123 void tick_run_desktop(void) -- } } /** Docstring: Run audio listeners in registration order. void tick_run_audio(void) { int i; for (i = 0; i <...
• tick_audio_count (function) kernel/tick.c:133 int tick_audio_count(void) -- } } /** Docstring: Run desktop listeners in registration order. void tick_run_desktop(void) { int i; for (i = 0; i <...
• tick_desktop_count (function) kernel/tick.c:144 int tick_desktop_count(void) -- } /** Docstring: Count registered audio listeners. int tick_audio_count(void) { if (tick_audio_used < 0) { return 0...
• tick_desktop_due (function) kernel/tick.c:160 int tick_desktop_due(unsigned long long ticks, unsigned interval) -- Docstring: Pure desktop gating predicate.

kernel/time.c

Depends on: headers/ktime.h Imported by: headers/tls_port.h, mcp/mcp_dbg_driver.py, mcp/mcp_dogfood.py, mcp/minios_addons.py, mcp/minios_mcp.py, progs/doomgeneric/doomgeneric_xlib.c, progs/src/lxabi.c, progs/src/lxsel.c, progs/src/test_py.py, progs/tls_u/tls_u_port.c, tests/test_vma_bench.c, tools/boot_wl.py, tools/gdb_repro.py, tools/minios_cli.py, tools/minios_gui.py, tools/minios_hyper.py, tools/probe_compute_vga.py, tools/probe_minicraft.py, tools/qga_client.py, tools/repro_gui.py, tools/test_gui_fashion.py, tools/test_gui_freedom.py, tools/test_gui_gfxview.py, tools/test_gui_icon_cwd.py, tools/test_gui_menu.py, tools/test_gui_wm.py, tools/test_gui_zoom.py, tools/test_http_server.py, tools/test_readme_shot.py, tools/tls_test.py

• ktime_rdtsc (function) kernel/time.c:13 static unsigned long ktime_rdtsc(void)
• ktime_init (function) kernel/time.c:19 static void ktime_init(void)
• ktime_ms (function) kernel/time.c:33 unsigned long ktime_ms(void)
• ktime_us (function) kernel/time.c:41 unsigned long ktime_us(void) -- Microsecond resolution over the same calibrated ratio (Phase 0.2/0.3: clock_gettime nsec and gettimeofday usec both...

kernel/vga_cursor.c

Depends on: headers/kernel/vga_cursor.h, headers/vga_fb.h

• cursor_save_bg (function) kernel/vga_cursor.c:40 static void cursor_save_bg(int mx, int my) -- The cursor is drawn with its top-left corner at (mx, my), so the sprite spans down-right of the pointer.
• cursor_is_set (function) kernel/vga_cursor.c:50 static int cursor_is_set(int i, int j) -- spans down-right of the pointer.
• cursor_has_set_neighbour (function) kernel/vga_cursor.c:57 static int cursor_has_set_neighbour(int i, int j) -- int y0 = my - CURSOR_TIP_Y; for (j = 0; j < 8; j++) for (i = 0; i < 8; i++) cursor_save[j][i] = fb_read_packed(x0 +...
• cursor_draw (function) kernel/vga_cursor.c:68 static void cursor_draw(int mx, int my)
• cursor_restore (function) kernel/vga_cursor.c:81 static void cursor_restore(int mx, int my)
• cursor_over (function) kernel/vga_cursor.c:96 int cursor_over(int x0, int y0, int w, int h) -- Docstring: True when the cursor sprite overlaps the given screen rectangle.
• cursor_place (function) kernel/vga_cursor.c:106 void cursor_place(int mx, int my) -- Docstring: Paint the pointer at mx/my unconditionally: save the * background, draw the sprite, record the position.
• cursor_move (function) kernel/vga_cursor.c:116 void cursor_move(int mx, int my) -- Docstring: Desktop-tick pointer update: repaint only when the position * moved since the last paint, otherwise keep...
• cursor_erase (function) kernel/vga_cursor.c:133 void cursor_erase(void) -- Docstring: Restore the saved background when the pointer is up, then mark it hidden.
• cursor_invalidate (function) kernel/vga_cursor.c:141 void cursor_invalidate(void) -- Docstring: Mark the pointer hidden without touching the framebuffer. * Used after any repaint that may have covered...
• cursor_note_repaint (function) kernel/vga_cursor.c:147 void cursor_note_repaint(int x0, int y0, int w, int h) -- Docstring: Invalidate the pointer when it overlaps a repainted screen * rectangle, so the next move re-saves a fresh...

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