target-i386: Call x86_cpu_load_def() earlier

[qemu.git] / target-i386 / int_helper.c

diff --git a/target-i386/int_helper.c b/target-i386/int_helper.c
index e1f66f5ad10ea8953722d719bfd63751b542e074..0555318938641760261daa1fce6643b210eddacf 100644 (file)
--- a/target-i386/int_helper.c
+++ b/target-i386/int_helper.c
@@ -18,8 +18,7 @@
  */
 
 #include "cpu.h"
-#include "dyngen-exec.h"
-#include "host-utils.h"
+#include "qemu/host-utils.h"
 #include "helper.h"
 
 //#define DEBUG_MULDIV
@@ -42,11 +41,11 @@ static const uint8_t rclw_table[32] = {
 
 /* division, flags are undefined */
 
-void helper_divb_AL(target_ulong t0)
+void helper_divb_AL(CPUX86State *env, target_ulong t0)
 {
     unsigned int num, den, q, r;
 
-    num = (EAX & 0xffff);
+    num = (env->regs[R_EAX] & 0xffff);
     den = (t0 & 0xff);
     if (den == 0) {
         raise_exception(env, EXCP00_DIVZ);
@@ -57,14 +56,14 @@ void helper_divb_AL(target_ulong t0)
     }
     q &= 0xff;
     r = (num % den) & 0xff;
-    EAX = (EAX & ~0xffff) | (r << 8) | q;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | (r << 8) | q;
 }
 
-void helper_idivb_AL(target_ulong t0)
+void helper_idivb_AL(CPUX86State *env, target_ulong t0)
 {
     int num, den, q, r;
 
-    num = (int16_t)EAX;
+    num = (int16_t)env->regs[R_EAX];
     den = (int8_t)t0;
     if (den == 0) {
         raise_exception(env, EXCP00_DIVZ);
@@ -75,14 +74,14 @@ void helper_idivb_AL(target_ulong t0)
     }
     q &= 0xff;
     r = (num % den) & 0xff;
-    EAX = (EAX & ~0xffff) | (r << 8) | q;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | (r << 8) | q;
 }
 
-void helper_divw_AX(target_ulong t0)
+void helper_divw_AX(CPUX86State *env, target_ulong t0)
 {
     unsigned int num, den, q, r;
 
-    num = (EAX & 0xffff) | ((EDX & 0xffff) << 16);
+    num = (env->regs[R_EAX] & 0xffff) | ((env->regs[R_EDX] & 0xffff) << 16);
     den = (t0 & 0xffff);
     if (den == 0) {
         raise_exception(env, EXCP00_DIVZ);
@@ -93,15 +92,15 @@ void helper_divw_AX(target_ulong t0)
     }
     q &= 0xffff;
     r = (num % den) & 0xffff;
-    EAX = (EAX & ~0xffff) | q;
-    EDX = (EDX & ~0xffff) | r;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | q;
+    env->regs[R_EDX] = (env->regs[R_EDX] & ~0xffff) | r;
 }
 
-void helper_idivw_AX(target_ulong t0)
+void helper_idivw_AX(CPUX86State *env, target_ulong t0)
 {
     int num, den, q, r;
 
-    num = (EAX & 0xffff) | ((EDX & 0xffff) << 16);
+    num = (env->regs[R_EAX] & 0xffff) | ((env->regs[R_EDX] & 0xffff) << 16);
     den = (int16_t)t0;
     if (den == 0) {
         raise_exception(env, EXCP00_DIVZ);
@@ -112,16 +111,16 @@ void helper_idivw_AX(target_ulong t0)
     }
     q &= 0xffff;
     r = (num % den) & 0xffff;
-    EAX = (EAX & ~0xffff) | q;
-    EDX = (EDX & ~0xffff) | r;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | q;
+    env->regs[R_EDX] = (env->regs[R_EDX] & ~0xffff) | r;
 }
 
-void helper_divl_EAX(target_ulong t0)
+void helper_divl_EAX(CPUX86State *env, target_ulong t0)
 {
     unsigned int den, r;
     uint64_t num, q;
 
-    num = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32);
+    num = ((uint32_t)env->regs[R_EAX]) | ((uint64_t)((uint32_t)env->regs[R_EDX]) << 32);
     den = t0;
     if (den == 0) {
         raise_exception(env, EXCP00_DIVZ);
@@ -131,16 +130,16 @@ void helper_divl_EAX(target_ulong t0)
     if (q > 0xffffffff) {
         raise_exception(env, EXCP00_DIVZ);
     }
-    EAX = (uint32_t)q;
-    EDX = (uint32_t)r;
+    env->regs[R_EAX] = (uint32_t)q;
+    env->regs[R_EDX] = (uint32_t)r;
 }
 
-void helper_idivl_EAX(target_ulong t0)
+void helper_idivl_EAX(CPUX86State *env, target_ulong t0)
 {
     int den, r;
     int64_t num, q;
 
-    num = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32);
+    num = ((uint32_t)env->regs[R_EAX]) | ((uint64_t)((uint32_t)env->regs[R_EDX]) << 32);
     den = t0;
     if (den == 0) {
         raise_exception(env, EXCP00_DIVZ);
@@ -150,45 +149,45 @@ void helper_idivl_EAX(target_ulong t0)
     if (q != (int32_t)q) {
         raise_exception(env, EXCP00_DIVZ);
     }
-    EAX = (uint32_t)q;
-    EDX = (uint32_t)r;
+    env->regs[R_EAX] = (uint32_t)q;
+    env->regs[R_EDX] = (uint32_t)r;
 }
 
 /* bcd */
 
 /* XXX: exception */
-void helper_aam(int base)
+void helper_aam(CPUX86State *env, int base)
 {
     int al, ah;
 
-    al = EAX & 0xff;
+    al = env->regs[R_EAX] & 0xff;
     ah = al / base;
     al = al % base;
-    EAX = (EAX & ~0xffff) | al | (ah << 8);
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | al | (ah << 8);
     CC_DST = al;
 }
 
-void helper_aad(int base)
+void helper_aad(CPUX86State *env, int base)
 {
     int al, ah;
 
-    al = EAX & 0xff;
-    ah = (EAX >> 8) & 0xff;
+    al = env->regs[R_EAX] & 0xff;
+    ah = (env->regs[R_EAX] >> 8) & 0xff;
     al = ((ah * base) + al) & 0xff;
-    EAX = (EAX & ~0xffff) | al;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | al;
     CC_DST = al;
 }
 
-void helper_aaa(void)
+void helper_aaa(CPUX86State *env)
 {
     int icarry;
     int al, ah, af;
     int eflags;
 
-    eflags = helper_cc_compute_all(CC_OP);
+    eflags = cpu_cc_compute_all(env, CC_OP);
     af = eflags & CC_A;
-    al = EAX & 0xff;
-    ah = (EAX >> 8) & 0xff;
+    al = env->regs[R_EAX] & 0xff;
+    ah = (env->regs[R_EAX] >> 8) & 0xff;
 
     icarry = (al > 0xf9);
     if (((al & 0x0f) > 9) || af) {
@@ -199,20 +198,20 @@ void helper_aaa(void)
         eflags &= ~(CC_C | CC_A);
         al &= 0x0f;
     }
-    EAX = (EAX & ~0xffff) | al | (ah << 8);
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | al | (ah << 8);
     CC_SRC = eflags;
 }
 
-void helper_aas(void)
+void helper_aas(CPUX86State *env)
 {
     int icarry;
     int al, ah, af;
     int eflags;
 
-    eflags = helper_cc_compute_all(CC_OP);
+    eflags = cpu_cc_compute_all(env, CC_OP);
     af = eflags & CC_A;
-    al = EAX & 0xff;
-    ah = (EAX >> 8) & 0xff;
+    al = env->regs[R_EAX] & 0xff;
+    ah = (env->regs[R_EAX] >> 8) & 0xff;
 
     icarry = (al < 6);
     if (((al & 0x0f) > 9) || af) {
@@ -223,19 +222,19 @@ void helper_aas(void)
         eflags &= ~(CC_C | CC_A);
         al &= 0x0f;
     }
-    EAX = (EAX & ~0xffff) | al | (ah << 8);
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xffff) | al | (ah << 8);
     CC_SRC = eflags;
 }
 
-void helper_daa(void)
+void helper_daa(CPUX86State *env)
 {
     int old_al, al, af, cf;
     int eflags;
 
-    eflags = helper_cc_compute_all(CC_OP);
+    eflags = cpu_cc_compute_all(env, CC_OP);
     cf = eflags & CC_C;
     af = eflags & CC_A;
-    old_al = al = EAX & 0xff;
+    old_al = al = env->regs[R_EAX] & 0xff;
 
     eflags = 0;
     if (((al & 0x0f) > 9) || af) {
@@ -246,7 +245,7 @@ void helper_daa(void)
         al = (al + 0x60) & 0xff;
         eflags |= CC_C;
     }
-    EAX = (EAX & ~0xff) | al;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xff) | al;
     /* well, speed is not an issue here, so we compute the flags by hand */
     eflags |= (al == 0) << 6; /* zf */
     eflags |= parity_table[al]; /* pf */
@@ -254,15 +253,15 @@ void helper_daa(void)
     CC_SRC = eflags;
 }
 
-void helper_das(void)
+void helper_das(CPUX86State *env)
 {
     int al, al1, af, cf;
     int eflags;
 
-    eflags = helper_cc_compute_all(CC_OP);
+    eflags = cpu_cc_compute_all(env, CC_OP);
     cf = eflags & CC_C;
     af = eflags & CC_A;
-    al = EAX & 0xff;
+    al = env->regs[R_EAX] & 0xff;
 
     eflags = 0;
     al1 = al;
@@ -277,7 +276,7 @@ void helper_das(void)
         al = (al - 0x60) & 0xff;
         eflags |= CC_C;
     }
-    EAX = (EAX & ~0xff) | al;
+    env->regs[R_EAX] = (env->regs[R_EAX] & ~0xff) | al;
     /* well, speed is not an issue here, so we compute the flags by hand */
     eflags |= (al == 0) << 6; /* zf */
     eflags |= parity_table[al]; /* pf */
@@ -375,110 +374,82 @@ static int idiv64(uint64_t *plow, uint64_t *phigh, int64_t b)
     return 0;
 }
 
-void helper_mulq_EAX_T0(target_ulong t0)
-{
-    uint64_t r0, r1;
-
-    mulu64(&r0, &r1, EAX, t0);
-    EAX = r0;
-    EDX = r1;
-    CC_DST = r0;
-    CC_SRC = r1;
-}
-
-void helper_imulq_EAX_T0(target_ulong t0)
-{
-    uint64_t r0, r1;
-
-    muls64(&r0, &r1, EAX, t0);
-    EAX = r0;
-    EDX = r1;
-    CC_DST = r0;
-    CC_SRC = ((int64_t)r1 != ((int64_t)r0 >> 63));
-}
-
-target_ulong helper_imulq_T0_T1(target_ulong t0, target_ulong t1)
-{
-    uint64_t r0, r1;
-
-    muls64(&r0, &r1, t0, t1);
-    CC_DST = r0;
-    CC_SRC = ((int64_t)r1 != ((int64_t)r0 >> 63));
-    return r0;
-}
-
-void helper_divq_EAX(target_ulong t0)
+void helper_divq_EAX(CPUX86State *env, target_ulong t0)
 {
     uint64_t r0, r1;
 
     if (t0 == 0) {
         raise_exception(env, EXCP00_DIVZ);
     }
-    r0 = EAX;
-    r1 = EDX;
+    r0 = env->regs[R_EAX];
+    r1 = env->regs[R_EDX];
     if (div64(&r0, &r1, t0)) {
         raise_exception(env, EXCP00_DIVZ);
     }
-    EAX = r0;
-    EDX = r1;
+    env->regs[R_EAX] = r0;
+    env->regs[R_EDX] = r1;
 }
 
-void helper_idivq_EAX(target_ulong t0)
+void helper_idivq_EAX(CPUX86State *env, target_ulong t0)
 {
     uint64_t r0, r1;
 
     if (t0 == 0) {
         raise_exception(env, EXCP00_DIVZ);
     }
-    r0 = EAX;
-    r1 = EDX;
+    r0 = env->regs[R_EAX];
+    r1 = env->regs[R_EDX];
     if (idiv64(&r0, &r1, t0)) {
         raise_exception(env, EXCP00_DIVZ);
     }
-    EAX = r0;
-    EDX = r1;
+    env->regs[R_EAX] = r0;
+    env->regs[R_EDX] = r1;
 }
 #endif
 
+#if TARGET_LONG_BITS == 32
+# define ctztl  ctz32
+# define clztl  clz32
+#else
+# define ctztl  ctz64
+# define clztl  clz64
+#endif
+
 /* bit operations */
-target_ulong helper_bsf(target_ulong t0)
+target_ulong helper_ctz(target_ulong t0)
 {
-    int count;
-    target_ulong res;
-
-    res = t0;
-    count = 0;
-    while ((res & 1) == 0) {
-        count++;
-        res >>= 1;
-    }
-    return count;
+    return ctztl(t0);
+}
+
+target_ulong helper_clz(target_ulong t0)
+{
+    return clztl(t0);
 }
 
-target_ulong helper_lzcnt(target_ulong t0, int wordsize)
+target_ulong helper_pdep(target_ulong src, target_ulong mask)
 {
-    int count;
-    target_ulong res, mask;
+    target_ulong dest = 0;
+    int i, o;
 
-    if (wordsize > 0 && t0 == 0) {
-        return wordsize;
-    }
-    res = t0;
-    count = TARGET_LONG_BITS - 1;
-    mask = (target_ulong)1 << (TARGET_LONG_BITS - 1);
-    while ((res & mask) == 0) {
-        count--;
-        res <<= 1;
+    for (i = 0; mask != 0; i++) {
+        o = ctztl(mask);
+        mask &= mask - 1;
+        dest |= ((src >> i) & 1) << o;
     }
-    if (wordsize > 0) {
-        return wordsize - 1 - count;
-    }
-    return count;
+    return dest;
 }
 
-target_ulong helper_bsr(target_ulong t0)
+target_ulong helper_pext(target_ulong src, target_ulong mask)
 {
-    return helper_lzcnt(t0, 0);
+    target_ulong dest = 0;
+    int i, o;
+
+    for (o = 0; mask != 0; o++) {
+        i = ctztl(mask);
+        mask &= mask - 1;
+        dest |= ((src >> i) & 1) << o;
+    }
+    return dest;
 }
 
 #define SHIFT 0