a07ffdecab
But put it behind a compile-time option due to performance hits Also add the DE flag to CPUID on supported CPUs
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <wchar.h>
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#include <math.h>
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#ifndef INFINITY
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# define INFINITY (__builtin_inff())
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#endif
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/timer.h>
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#include "x86.h"
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#include "x86_ops.h"
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#include "x86seg_common.h"
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#include "x86seg.h"
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#include "x87.h"
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#include "x86_flags.h"
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#include <86box/io.h>
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#include <86box/mem.h>
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#include <86box/nmi.h>
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#include <86box/pic.h>
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#include <86box/gdbstub.h>
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#include "codegen.h"
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#include <86box/plat_unused.h>
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#include <86box/plat_fallthrough.h>
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#define CPU_BLOCK_END() cpu_block_end = 1
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#ifndef IS_DYNAREC
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# define IS_DYNAREC
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#endif
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#include "386_common.h"
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static __inline void
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fetch_ea_32_long(UNUSED(uint32_t rmdat))
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{
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eal_r = eal_w = NULL;
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easeg = cpu_state.ea_seg->base;
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if (easeg != 0xFFFFFFFF && ((easeg + cpu_state.eaaddr) & 0xFFF) <= 0xFFC) {
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uint32_t addr = easeg + cpu_state.eaaddr;
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if (readlookup2[addr >> 12] != (uintptr_t) LOOKUP_INV)
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eal_r = (uint32_t *) (readlookup2[addr >> 12] + addr);
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if (writelookup2[addr >> 12] != (uintptr_t) LOOKUP_INV)
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eal_w = (uint32_t *) (writelookup2[addr >> 12] + addr);
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}
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}
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static __inline void
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fetch_ea_16_long(UNUSED(uint32_t rmdat))
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{
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eal_r = eal_w = NULL;
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easeg = cpu_state.ea_seg->base;
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if (easeg != 0xFFFFFFFF && ((easeg + cpu_state.eaaddr) & 0xFFF) <= 0xFFC) {
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uint32_t addr = easeg + cpu_state.eaaddr;
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if (readlookup2[addr >> 12] != (uintptr_t) LOOKUP_INV)
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eal_r = (uint32_t *) (readlookup2[addr >> 12] + addr);
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if (writelookup2[addr >> 12] != (uintptr_t) LOOKUP_INV)
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eal_w = (uint32_t *) (writelookup2[addr >> 12] + addr);
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}
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}
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#define fetch_ea_16(rmdat) \
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cpu_state.pc++; \
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if (cpu_mod != 3) \
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fetch_ea_16_long(rmdat);
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#define fetch_ea_32(rmdat) \
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cpu_state.pc++; \
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if (cpu_mod != 3) \
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fetch_ea_32_long(rmdat);
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#define PREFETCH_RUN(instr_cycles, bytes, modrm, reads, read_ls, writes, write_ls, ea32)
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#define PREFETCH_PREFIX()
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#define PREFETCH_FLUSH()
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#define OP_TABLE(name) dynarec_ops_##name
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#define CLOCK_CYCLES(c)
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#if 0
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# define CLOCK_CYCLES_FPU(c)
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# define CONCURRENCY_CYCLES(c) fpu_cycles = (c)
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#else
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# define CLOCK_CYCLES_FPU(c)
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# define CONCURRENCY_CYCLES(c)
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#endif
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#define CLOCK_CYCLES_ALWAYS(c) cycles -= (c)
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#include "386_ops.h"
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