133 lines
4.7 KiB
C++
133 lines
4.7 KiB
C++
/*
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* Syscall.hpp
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* ZenithOS syscall definitions -- shared between kernel and programs
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* Copyright (c) 2025 Daniel Hammer
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*/
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#pragma once
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#include <cstdint>
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#include <cstddef>
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namespace Zenith {
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// Syscall numbers
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static constexpr uint64_t SYS_EXIT = 0;
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static constexpr uint64_t SYS_YIELD = 1;
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static constexpr uint64_t SYS_SLEEP_MS = 2;
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static constexpr uint64_t SYS_GETPID = 3;
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static constexpr uint64_t SYS_PRINT = 4;
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static constexpr uint64_t SYS_PUTCHAR = 5;
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static constexpr uint64_t SYS_OPEN = 6;
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static constexpr uint64_t SYS_READ = 7;
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static constexpr uint64_t SYS_GETSIZE = 8;
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static constexpr uint64_t SYS_CLOSE = 9;
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static constexpr uint64_t SYS_READDIR = 10;
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static constexpr uint64_t SYS_ALLOC = 11;
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static constexpr uint64_t SYS_FREE = 12;
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static constexpr uint64_t SYS_GETTICKS = 13;
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static constexpr uint64_t SYS_GETMILLISECONDS = 14;
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static constexpr uint64_t SYS_GETINFO = 15;
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static constexpr uint64_t SYS_ISKEYAVAILABLE = 16;
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static constexpr uint64_t SYS_GETKEY = 17;
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static constexpr uint64_t SYS_GETCHAR = 18;
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static constexpr uint64_t SYS_PING = 19;
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static constexpr uint64_t SYS_SPAWN = 20;
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static constexpr uint64_t SYS_FBINFO = 21;
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static constexpr uint64_t SYS_FBMAP = 22;
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static constexpr uint64_t SYS_WAITPID = 23;
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static constexpr uint64_t SYS_TERMSIZE = 24;
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static constexpr uint64_t SYS_GETARGS = 25;
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static constexpr uint64_t SYS_RESET = 26;
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static constexpr uint64_t SYS_SHUTDOWN = 27;
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static constexpr uint64_t SYS_GETTIME = 28;
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static constexpr uint64_t SYS_SOCKET = 29;
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static constexpr uint64_t SYS_CONNECT = 30;
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static constexpr uint64_t SYS_BIND = 31;
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static constexpr uint64_t SYS_LISTEN = 32;
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static constexpr uint64_t SYS_ACCEPT = 33;
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static constexpr uint64_t SYS_SEND = 34;
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static constexpr uint64_t SYS_RECV = 35;
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static constexpr uint64_t SYS_CLOSESOCK = 36;
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static constexpr uint64_t SYS_GETNETCFG = 37;
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static constexpr uint64_t SYS_SETNETCFG = 38;
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static constexpr uint64_t SYS_SENDTO = 39;
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static constexpr uint64_t SYS_RECVFROM = 40;
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static constexpr uint64_t SYS_FWRITE = 41;
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static constexpr uint64_t SYS_FCREATE = 42;
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static constexpr uint64_t SYS_TERMSCALE = 43;
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static constexpr uint64_t SYS_RESOLVE = 44;
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static constexpr uint64_t SYS_GETRANDOM = 45;
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static constexpr uint64_t SYS_KLOG = 46;
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static constexpr uint64_t SYS_MOUSESTATE = 47;
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static constexpr uint64_t SYS_SETMOUSEBOUNDS = 48;
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static constexpr uint64_t SYS_SPAWN_REDIR = 49;
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static constexpr uint64_t SYS_CHILDIO_READ = 50;
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static constexpr uint64_t SYS_CHILDIO_WRITE = 51;
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static constexpr uint64_t SYS_CHILDIO_WRITEKEY = 52;
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static constexpr uint64_t SYS_CHILDIO_SETTERMSZ = 53;
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static constexpr int SOCK_TCP = 1;
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static constexpr int SOCK_UDP = 2;
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struct DateTime {
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uint16_t Year;
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uint8_t Month;
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uint8_t Day;
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uint8_t Hour;
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uint8_t Minute;
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uint8_t Second;
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};
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struct FbInfo {
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uint64_t width;
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uint64_t height;
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uint64_t pitch; // bytes per scanline
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uint64_t bpp; // bits per pixel (32)
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uint64_t userAddr; // filled by SYS_FBMAP (0 until mapped)
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};
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struct SysInfo {
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char osName[32];
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char osVersion[32];
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uint32_t apiVersion;
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uint32_t maxProcesses;
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};
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struct NetCfg {
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uint32_t ipAddress; // network byte order
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uint32_t subnetMask; // network byte order
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uint32_t gateway; // network byte order
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uint8_t macAddress[6];
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uint8_t _pad[2];
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uint32_t dnsServer; // network byte order
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};
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struct KeyEvent {
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uint8_t scancode;
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char ascii;
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bool pressed;
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bool shift;
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bool ctrl;
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bool alt;
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};
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struct MouseState {
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int32_t x;
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int32_t y;
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int32_t scrollDelta;
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uint8_t buttons;
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};
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// Stack frame pushed by SyscallEntry.asm
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struct SyscallFrame {
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uint64_t r15, r14, r13, r12, rbp, rbx; // callee-saved
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uint64_t arg6, arg5, arg4, arg3, arg2, arg1;
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uint64_t syscall_nr;
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uint64_t user_rflags, user_rip, user_rsp;
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};
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// Kernel-only: set up SYSCALL MSRs and initialize dispatch
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void InitializeSyscalls();
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}
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