kvisc/pc/regs.h

// The OS/K Team licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

enum
{
    INV,

    RIP,
    FLG,

    RBP,
    RSP,

    RAX,
    RBX,
    RCX,
    RDX,
    RSX,
    RBI,
    RDI,
    RSI,

    NX0,
    NX1,
    NX2,
    NX3,
    NX4,
    NX5,
    NX6,
    NX7,

    AX0,
    AX1,
    AX2,
    AX3,
    AX4,
    AX5,
    AX6,
    AX7,

    CR0,
    CR1,
    CR2,
    CR3,
    CR4,
    CR5,
    CR6,
    CR7,

    SA0,
    SA1,
    SA2,
    SA3,
    SA4,
    SA5,
    SA6,
    SA7,

    NREGS
};

enum
{
    GPR = 1 << 0,   // General
    CTL = 1 << 1,   // Control
    SEG = 1 << 2,   // Segment
    RES = 1 << 8,   // Reserved for insternal use
    SYS = 1 << 9,   // Reserved for supervisor mode
};

// FLG register
enum
{
    CF = 1 << 0,        // Carry flag
    PF = 1 << 1,        // Parity flag
    AC = 1 << 2,        // Auxiliary flag
    ZF = 1 << 3,        // Zero flag
    OV = 1 << 4,        // Overflow flag
    DF = 1 << 5,        // Direction flag
    SF = 1 << 6,        // Sign flag

    UF = 1 << 16,       // User-mode flag
    IF = 1 << 17,       // Interrupts enable flag
};

struct reg_t
{
    char   *name;
    char   *desc;
    char   *conv;
    ulong   val;
    ulong   flags;
};