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kvisc/vm/in/instrs.h

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// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#include <pc/arch.h>
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#include <in/flags.h>
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#include <in/arch_i.h>
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//----------------------------------------------------------------------------//
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#define DECV(v, p) \
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ulong v; \
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GETV(v, p)
#define GETV(v, p) \
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assert(p); \
if (ACC_FMT_IS_MEM(p->type)) \
v = readmem(ctx, p->addr, p->mlen); \
else v = p->val
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#define DECVZX(v, p) \
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ulong v; \
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GETVZX(v, p)
#define GETVZX(v, p) \
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assert(p); \
if (ACC_FMT_IS_MEM(p->type)) \
v = readmemzx(ctx, p->addr, p->mlen); \
else v = p->val
//----------------------------------------------------------------------------//
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#define IMPL_START_0(name) \
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bool i_##name(ctx_t *ctx, acc_t *p1, acc_t *p2, ulong *r1, ulong *r2) \
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{
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#define IMPL_START_1(name) \
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bool i_##name(ctx_t *ctx, acc_t *p1, acc_t *p2, ulong *r1, ulong *r2) \
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{ \
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DECV(v1, p1);
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#define IMPL_START_2(name) \
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bool i_##name(ctx_t *ctx, acc_t *p1, acc_t *p2, ulong *r1, ulong *r2) \
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{ \
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DECV(v1, p1); \
DECV(v2, p2);
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#define IMPL_OUT_ZSF \
SET_ZSF(v1); \
IMPL_OUT
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#define IMPL_OUT \
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*r1 = v1; \
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return 1; \
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}
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#define IMPL_OUT_2 \
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*r1 = v1; \
*r2 = v2; \
return 2; \
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}
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#define IMPL_END \
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return 0; \
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}
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//----------------------------------------------------------------------------//
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#define CHK_SUPERV() \
do { \
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if ((cr0 & UF) > 0) { \
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_except(ctx, E_SYS, "Supervisor-only INSTR"); \
} \
} while (0)
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//----------------------------------------------------------------------------//