Some cleanup, moved PS2 code to drivers folder in the shared sources.

2024-01-18 16:46:40 +01:00
parent 04d25d498d
commit c097da920d
7 changed files with 41 additions and 31 deletions
--- a/targets/_any/include/drivers/pic.hpp
+++ b/targets/_any/include/drivers/pic.hpp
@@ -0,0 +1,41 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_KERNEL_PIC_HPP_INCLUDED)
+#define BAD_APPLE_OS_KERNEL_PIC_HPP_INCLUDED
+
+#include <cstdint>
+
+#include "os/port.hpp"
+
+inline constexpr std::uint16_t PORT_PIC1 = 0x20;
+inline constexpr std::uint16_t PORT_PIC2 = 0xA0;
+inline constexpr std::uint8_t PIC_CMD_EOI = 0x20;
+
+[[nodiscard]] bool initPICs(std::uint8_t masterOffset, std::uint8_t slaveOffset) noexcept;
+__attribute__((no_caller_saved_registers))
+void sendEndOfInterrupt(std::uint8_t irq) noexcept;
+void maskIRQ(std::uint8_t irq) noexcept;
+void unmaskIRQ(std::uint8_t irq) noexcept;
+[[nodiscard]] std::uint16_t readPICIRR() noexcept;
+[[nodiscard]] std::uint16_t readPICISR() noexcept;
+
+[[nodiscard]] constexpr bool isValidPICOffset(std::uint8_t offset) noexcept
+{
+    return (offset & 7) == 0;
+}
+
+#if defined(__x86_64__)
+struct InterruptFrame
+{
+    std::uint64_t ip;
+    std::uint64_t cs;
+    std::uint64_t flags;
+    std::uint64_t sp;
+    std::uint64_t ss;
+};
+#endif
+
+using interrupt_handler_t = __attribute__((interrupt)) void(*)(InterruptFrame*);
+
+#endif // !defined(BAD_APPLE_OS_KERNEL_PIC_HPP_INCLUDED)
--- a/targets/_any/include/drivers/ps2.hpp
+++ b/targets/_any/include/drivers/ps2.hpp
@@ -0,0 +1,159 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_DRIVERS_PS2_HPP_INCLUDED)
+#define BAD_APPLE_OS_DRIVERS_PS2_HPP_INCLUDED
+
+#include "drivers/pic.hpp"
+
+namespace baos::ps2
+{
+enum class Scancode
+{
+    INVALID = 0,
+
+    F9 = 0x01,
+    F5 = 0x03,
+    F3 = 0x04,
+    F1 = 0x05,
+    F2 = 0x06,
+    F12 = 0x07,
+    F10 = 0x09,
+    F8 = 0x0A,
+    F6 = 0x0B,
+    F4 = 0x0C,
+    TAB = 0x0D,
+    BACKTICK = 0x0E,
+    LEFT_ALT = 0x11,
+    LEFT_SHIFT = 0x12,
+    LEFT_CONTROL = 0x14,
+    Q = 0x15,
+    _1 = 0x16,
+    Z = 0x1A,
+    S = 0x1B,
+    A = 0x1C,
+    W = 0x1D,
+    _2 = 0x1E,
+    C = 0x21,
+    X = 0x22,
+    D = 0x23,
+    E = 0x24,
+    _4 = 0x25,
+    _3 = 0x26,
+    SPACE = 0x29,
+    V = 0x2A,
+    F = 0x2B,
+    T = 0x2C,
+    R = 0x2D,
+    _5 = 0x2E,
+    N = 0x31,
+    B = 0x32,
+    H = 0x33,
+    G = 0x34,
+    Y = 0x35,
+    _6 = 0x36,
+    M = 0x3A,
+    J = 0x3B,
+    U = 0x3C,
+    _7 = 0x3D,
+    _8 = 0x3E,
+    COMMA = 0x41,
+    K = 0x42,
+    I = 0x43,
+    O = 0x44,
+    _0 = 0x45,
+    _9 = 0x46,
+    DOT = 0x49,
+    SLASH = 0x4A,
+    L = 0x4B,
+    SEMICOLON = 0x4C,
+    P = 0x4D,
+    MINUS = 0x4E,
+    APOSTROPHE = 0x52,
+    BRACKET_OPEN = 0x54,
+    EQUALS = 0x55,
+    CAPSLOCK = 0x58,
+    RIGHT_SHIFT = 0x59,
+    ENTER = 0x5A,
+    BRACKET_CLOSE = 0x5B,
+    BACKSLASH = 0x5D,
+    BACKSPACE = 0x66,
+    KP_1 = 0x69,
+    KP_4 = 0x6B,
+    KP_7 = 0x6C,
+    KP_0 = 0x70,
+    KP_DOT = 0x71,
+    KP_2 = 0x72,
+    KP_5 = 0x73,
+    KP_6 = 0x74,
+    KP_8 = 0x75,
+    ESCAPE = 0x76,
+    NUMLOCK = 0x77,
+    F11 = 0x78,
+    KP_PLUS = 0x79,
+    KP_3 = 0x7A,
+    KP_MINUS = 0x7B,
+    KP_ASTERISK = 0x7C,
+    KP_9 = 0x7D,
+    SCROLLOCK = 0x7E,
+    F7 = 0x83,
+
+    MM_WWW_SEARCH = 0xE010,
+    RIGHT_ALT = 0xE011,
+    RIGHT_CONTROL = 0xE014,
+    MM_PREV_TRACK = 0xE015,
+    LEFT_GUI = 0xE01F,
+    MM_WWW_FAVORITES = 0xE020,
+    MM_VOLUME_DOWN = 0xE021,
+    MM_MUTE = 0xE023,
+    RIGHT_GUI = 0xE027,
+    MM_WWW_STOP = 0xE028,
+    MM_CALCULATOR = 0xE02B,
+    APPS = 0xE02F,
+    MM_WWW_FORWARD = 0xE030,
+    MM_VOLUME_UP = 0xE032,
+    MM_PLAY_PAUSE = 0xE034,
+    ACPI_POWER = 0xE037,
+    MM_WWW_BACK = 0xE038,
+    MM_WWW_HOME = 0xE03A,
+    MM_STOP = 0xE03B,
+    ACPI_SLEEP = 0xE03F,
+    MM_MY_COMPUTER = 0xE040,
+    MM_EMAIL = 0xE048,
+    KP_SLASH = 0xE04A,
+    MM_NEXT_TRACK = 0xE04D,
+    MM_MEDIA_SELECT = 0xE050,
+    KP_ENTER = 0xE05A,
+    ACPI_WAKE = 0xE05E,
+    END = 0xE069,
+    ARROW_LEFT = 0xE06B,
+    HOME = 0xE06C,
+    INSERT = 0xE070,
+    DELETE = 0xE071,
+    ARROW_DOWN = 0xE072,
+    ARROW_RIGHT = 0xE074,
+    ARROW_UP = 0xE075,
+    PAGE_DOWN = 0xE07A,
+    PAGE_UP = 0xE07D,
+
+    PRINT_SCREEN = 0xF000,
+    PAUSE = 0xF001
+};
+
+struct KeyEvent
+{
+    Scancode scancode = Scancode::INVALID;
+    bool down : 1 = false;
+    bool repeat : 1 = false;
+};
+
+[[nodiscard]] bool initialize() noexcept;
+
+__attribute__((interrupt))
+void isrKeyboard(InterruptFrame* interruptFrame) noexcept;
+
+[[nodiscard]] bool readKey(KeyEvent& outEvent) noexcept;
+[[nodiscard]] const char* keyName(Scancode scancode) noexcept;
+}
+
+#endif // !defined(BAD_APPLE_OS_DRIVERS_PS2_HPP_INCLUDED)