104 lines
4.8 KiB
C
104 lines
4.8 KiB
C
// 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)
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#define GETV(v, p) \
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if (ACC_FMT_IS_MEM(p->type)) \
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v = readmem(ctx, p->addr, p->mlen); \
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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)
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#define GETVZX(v, p) \
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if (ACC_FMT_IS_MEM(p->type)) \
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v = readmemzx(ctx, p->addr, p->mlen); \
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else v = p->val
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//----------------------------------------------------------------------------//
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#define IMPL_START_0(name) \
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uint i_##name(ctx_t *ctx, acc_t *p1, acc_t *p2, acc_t *p3, \
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ulong *r1, ulong *r2, ulong *r3) \
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{
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#define IMPL_START_1(name) \
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IMPL_START_0(name) \
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DECV(v1, p1);
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#define IMPL_START_2(name) \
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IMPL_START_1(name) \
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DECV(v2, p2);
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#define IMPL_START_2_ONLY(name) \
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IMPL_START_0(name) \
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ulong v1; \
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DECV(v2, p2);
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#define IMPL_START_3(name) \
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IMPL_START_2(name) \
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DECV(v3, p3);
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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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#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_ZSF \
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SET_ZSF(v1); \
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IMPL_OUT
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#define IMPL_OUT_2 \
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*r1 = v1; \
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*r2 = v2; \
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return 2; \
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}
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#define IMPL_OUT_3 \
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*r1 = v1; \
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*r2 = v2; \
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*r3 = v3; \
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return 3; \
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}
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//----------------------------------------------------------------------------//
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#define ALU_GET_SRCS() \
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ulong src1, src2; \
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if (p3) { \
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src1 = v2; \
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GETV(src2, p3); \
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} else { \
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src1 = v1; \
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src2 = v2; \
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}
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//----------------------------------------------------------------------------//
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#define CHK_SUPERV() \
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do { \
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if ((R(CR0) & UF) > 0) { \
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_except(ctx, E_SYS, "Supervisor-only INSTR"); \
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} \
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} while (0)
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//----------------------------------------------------------------------------//
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