A forgotten file.

src/cpu/x86_ops_mmx.c

@@ -0,0 +1,50 @@
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <math.h>
+#ifndef INFINITY
+#    define INFINITY (__builtin_inff())
+#endif
+#define HAVE_STDARG_H
+#include <86box/86box.h>
+#include "cpu.h"
+#include <86box/timer.h>
+#include "x86.h"
+#include "x87.h"
+#include <86box/nmi.h>
+#include <86box/mem.h>
+#include <86box/smram.h>
+#include <86box/pic.h>
+#include <86box/pit.h>
+#include <86box/fdd.h>
+#include <86box/fdc.h>
+#include <86box/keyboard.h>
+#include <86box/timer.h>
+#include "386_common.h"
+#include "x86_flags.h"
+#include "x86seg.h"
+
+MMX_REG *MMP[8];
+uint16_t *MMEP[8];
+
+static uint16_t MME[8];
+
+#define MMX_GETREGP(r) fpu_softfloat ? ((MMX_REG *) &fpu_state.st_space[r].fraction) : &(cpu_state.MM[r])
+void
+mmx_init(void)
+{
+    memset(MME, 0xff, sizeof(MME));
+
+    for (uint8_t i = 0; i < 8; i++) {
+        if (fpu_softfloat) {
+            MMP[i] = (MMX_REG *) &fpu_state.st_space[i].fraction;
+            MMEP[i] = (uint16_t *) &fpu_state.st_space[i].exp;
+        } else {
+            MMP[i] = &(cpu_state.MM[i]);
+            MMEP[i] = &(MME[i]);
+        }
+    }
+}