kvisc/vm/in/instrs.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.

#include <pc/arch.h>

//----------------------------------------------------------------------------//

#define IMPL_START(name, n)                                                 \
uint i_##name##_##n(acc_t *p1, acc_t *p2, acc_t *p3,                        \
                          ulong *r1, ulong *r2)                             \

#define XSRCP(v, p, x)                                                      \
    if (ACC_FMT_IS_MEM(p->type))                                            \
        v = readmem##x(p->addr, p->mlen);                                   \
    else v = p->val;                                                        \

#define SRCP(p)                                                             \
    if (__builtin_expect(ACC_FMT_IS_MEM(p->type), 0))                       \
        p->val = readmemsx(p->addr, p->mlen);                               \

//----------------------------------------------------------------------------//

#define CHK_SUPERV()                                                        \
    do {                                                                    \
        if ((R(CR0) & UF) > 0) {                                            \
            _except(E_SYS, "Supervisor-only INSTR");                        \
        }                                                                   \
    } while (0)

//----------------------------------------------------------------------------//