2026-04-13 18:32:22 +08:00
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from __future__ import annotations
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U64_MASK = (1 << 64) - 1
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PAGE_SIZE = 0x1000
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MAX_CSTR = 4096
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MAX_IO_READ = 1 << 20
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DEFAULT_MAX_EXEC_DEPTH = 6
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FS_NAME_MAX = 96
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# CLeonOS syscall IDs from cleonos/c/include/cleonos_syscall.h
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SYS_LOG_WRITE = 0
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SYS_TIMER_TICKS = 1
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SYS_TASK_COUNT = 2
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SYS_CUR_TASK = 3
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SYS_SERVICE_COUNT = 4
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SYS_SERVICE_READY_COUNT = 5
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SYS_CONTEXT_SWITCHES = 6
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SYS_KELF_COUNT = 7
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SYS_KELF_RUNS = 8
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SYS_FS_NODE_COUNT = 9
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SYS_FS_CHILD_COUNT = 10
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SYS_FS_GET_CHILD_NAME = 11
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SYS_FS_READ = 12
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SYS_EXEC_PATH = 13
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SYS_EXEC_REQUESTS = 14
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SYS_EXEC_SUCCESS = 15
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SYS_USER_SHELL_READY = 16
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SYS_USER_EXEC_REQUESTED = 17
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SYS_USER_LAUNCH_TRIES = 18
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SYS_USER_LAUNCH_OK = 19
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SYS_USER_LAUNCH_FAIL = 20
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SYS_TTY_COUNT = 21
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SYS_TTY_ACTIVE = 22
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SYS_TTY_SWITCH = 23
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SYS_TTY_WRITE = 24
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SYS_TTY_WRITE_CHAR = 25
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SYS_KBD_GET_CHAR = 26
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SYS_FS_STAT_TYPE = 27
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SYS_FS_STAT_SIZE = 28
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SYS_FS_MKDIR = 29
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SYS_FS_WRITE = 30
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SYS_FS_APPEND = 31
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SYS_FS_REMOVE = 32
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SYS_LOG_JOURNAL_COUNT = 33
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SYS_LOG_JOURNAL_READ = 34
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SYS_KBD_BUFFERED = 35
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SYS_KBD_PUSHED = 36
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SYS_KBD_POPPED = 37
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SYS_KBD_DROPPED = 38
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SYS_KBD_HOTKEY_SWITCHES = 39
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2026-04-13 19:08:35 +08:00
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SYS_GETPID = 40
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SYS_SPAWN_PATH = 41
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SYS_WAITPID = 42
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SYS_EXIT = 43
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SYS_SLEEP_TICKS = 44
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SYS_YIELD = 45
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2026-04-13 18:32:22 +08:00
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def u64(value: int) -> int:
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return value & U64_MASK
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def u64_neg1() -> int:
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return U64_MASK
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def page_floor(addr: int) -> int:
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return addr & ~(PAGE_SIZE - 1)
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def page_ceil(addr: int) -> int:
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2026-04-13 19:12:22 +08:00
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return (addr + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)
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