/*
* Alpha emulation cpu micro-operations helpers for qemu.
- *
+ *
* Copyright (c) 2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
*/
#include "exec.h"
+#include "host-utils.h"
#include "softfloat.h"
-
-#include "op_helper.h"
-
-#define MEMSUFFIX _raw
-#include "op_helper_mem.h"
-
-#if !defined(CONFIG_USER_ONLY)
-#define MEMSUFFIX _user
-#include "op_helper_mem.h"
-
-#define MEMSUFFIX _kernel
-#include "op_helper_mem.h"
-
-/* Those are used for supervisor and executive modes */
-#define MEMSUFFIX _data
-#include "op_helper_mem.h"
-#endif
+#include "helper.h"
void helper_tb_flush (void)
{
- tlb_flush(env, 1);
-}
-
-void cpu_dump_EA (target_ulong EA);
-void helper_print_mem_EA (target_ulong EA)
-{
- cpu_dump_EA(EA);
+ tb_flush(env);
}
/*****************************************************************************/
/* Exceptions processing helpers */
-void helper_excp (uint32_t excp, uint32_t error)
+void helper_excp (int excp, int error)
{
env->exception_index = excp;
env->error_code = error;
cpu_loop_exit();
}
-void helper_amask (void)
+uint64_t helper_amask (uint64_t arg)
{
switch (env->implver) {
case IMPLVER_2106x:
case IMPLVER_21164:
case IMPLVER_21264:
case IMPLVER_21364:
- T0 &= ~env->amask;
+ arg &= ~env->amask;
break;
}
+ return arg;
}
-void helper_load_pcc (void)
+uint64_t helper_load_pcc (void)
{
/* XXX: TODO */
- T0 = 0;
+ return 0;
}
-void helper_load_implver (void)
+uint64_t helper_load_implver (void)
{
- T0 = env->implver;
+ return env->implver;
}
-void helper_load_fpcr (void)
+uint64_t helper_load_fpcr (void)
{
- T0 = 0;
+ uint64_t ret = 0;
#ifdef CONFIG_SOFTFLOAT
- T0 |= env->fp_status.float_exception_flags << 52;
+ ret |= env->fp_status.float_exception_flags << 52;
if (env->fp_status.float_exception_flags)
- T0 |= 1ULL << 63;
+ ret |= 1ULL << 63;
env->ipr[IPR_EXC_SUM] &= ~0x3E:
env->ipr[IPR_EXC_SUM] |= env->fp_status.float_exception_flags << 1;
#endif
switch (env->fp_status.float_rounding_mode) {
case float_round_nearest_even:
- T0 |= 2ULL << 58;
+ ret |= 2ULL << 58;
break;
case float_round_down:
- T0 |= 1ULL << 58;
+ ret |= 1ULL << 58;
break;
case float_round_up:
- T0 |= 3ULL << 58;
+ ret |= 3ULL << 58;
break;
case float_round_to_zero:
break;
}
+ return ret;
}
-void helper_store_fpcr (void)
+void helper_store_fpcr (uint64_t val)
{
#ifdef CONFIG_SOFTFLOAT
- set_float_exception_flags((T0 >> 52) & 0x3F, &FP_STATUS);
+ set_float_exception_flags((val >> 52) & 0x3F, &FP_STATUS);
#endif
- switch ((T0 >> 58) & 3) {
+ switch ((val >> 58) & 3) {
case 0:
set_float_rounding_mode(float_round_to_zero, &FP_STATUS);
break;
}
}
-void helper_load_irf (void)
-{
- /* XXX: TODO */
- T0 = 0;
-}
+spinlock_t intr_cpu_lock = SPIN_LOCK_UNLOCKED;
-void helper_set_irf (void)
+uint64_t helper_rs(void)
{
- /* XXX: TODO */
+ uint64_t tmp;
+
+ spin_lock(&intr_cpu_lock);
+ tmp = env->intr_flag;
+ env->intr_flag = 1;
+ spin_unlock(&intr_cpu_lock);
+
+ return tmp;
}
-void helper_clear_irf (void)
+uint64_t helper_rc(void)
{
- /* XXX: TODO */
+ uint64_t tmp;
+
+ spin_lock(&intr_cpu_lock);
+ tmp = env->intr_flag;
+ env->intr_flag = 0;
+ spin_unlock(&intr_cpu_lock);
+
+ return tmp;
}
-void helper_addqv (void)
+uint64_t helper_addqv (uint64_t op1, uint64_t op2)
{
- T2 = T0;
- T0 += T1;
- if (unlikely((T2 ^ T1 ^ (-1ULL)) & (T2 ^ T0) & (1ULL << 63))) {
+ uint64_t tmp = op1;
+ op1 += op2;
+ if (unlikely((tmp ^ op2 ^ (-1ULL)) & (tmp ^ op1) & (1ULL << 63))) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
+ return op1;
}
-void helper_addlv (void)
+uint64_t helper_addlv (uint64_t op1, uint64_t op2)
{
- T2 = T0;
- T0 = (uint32_t)(T0 + T1);
- if (unlikely((T2 ^ T1 ^ (-1UL)) & (T2 ^ T0) & (1UL << 31))) {
+ uint64_t tmp = op1;
+ op1 = (uint32_t)(op1 + op2);
+ if (unlikely((tmp ^ op2 ^ (-1UL)) & (tmp ^ op1) & (1UL << 31))) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
+ return op1;
}
-void helper_subqv (void)
+uint64_t helper_subqv (uint64_t op1, uint64_t op2)
{
- T2 = T0;
- T0 -= T1;
- if (unlikely(((~T2) ^ T0 ^ (-1ULL)) & ((~T2) ^ T1) & (1ULL << 63))) {
+ uint64_t tmp = op1;
+ op1 -= op2;
+ if (unlikely(((~tmp) ^ op1 ^ (-1ULL)) & ((~tmp) ^ op2) & (1ULL << 63))) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
+ return op1;
}
-void helper_sublv (void)
+uint64_t helper_sublv (uint64_t op1, uint64_t op2)
{
- T2 = T0;
- T0 = (uint32_t)(T0 - T1);
- if (unlikely(((~T2) ^ T0 ^ (-1UL)) & ((~T2) ^ T1) & (1UL << 31))) {
+ uint64_t tmp = op1;
+ op1 = (uint32_t)(op1 - op2);
+ if (unlikely(((~tmp) ^ op1 ^ (-1UL)) & ((~tmp) ^ op2) & (1UL << 31))) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
+ return op1;
}
-void helper_mullv (void)
+uint64_t helper_mullv (uint64_t op1, uint64_t op2)
{
- int64_t res = (int64_t)T0 * (int64_t)T1;
+ int64_t res = (int64_t)op1 * (int64_t)op2;
if (unlikely((int32_t)res != res)) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
- T0 = (int64_t)((int32_t)res);
+ return (int64_t)((int32_t)res);
}
-void helper_mulqv ()
+uint64_t helper_mulqv (uint64_t op1, uint64_t op2)
{
- uint64_t res, tmp0, tmp1;
+ uint64_t tl, th;
- res = (T0 >> 32) * (T1 >> 32);
- tmp0 = ((T0 & 0xFFFFFFFF) * (T1 >> 32)) +
- ((T0 >> 32) * (T1 & 0xFFFFFFFF));
- tmp1 = (T0 & 0xFFFFFFFF) * (T1 & 0xFFFFFFFF);
- tmp0 += tmp1 >> 32;
- res += tmp0 >> 32;
- T0 *= T1;
- if (unlikely(res != 0)) {
+ muls64(&tl, &th, op1, op2);
+ /* If th != 0 && th != -1, then we had an overflow */
+ if (unlikely((th + 1) > 1)) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
+ return tl;
}
-void helper_umulh (void)
+uint64_t helper_umulh (uint64_t op1, uint64_t op2)
{
- uint64_t tmp0, tmp1;
+ uint64_t tl, th;
- tmp0 = ((T0 & 0xFFFFFFFF) * (T1 >> 32)) +
- ((T0 >> 32) * (T1 & 0xFFFFFFFF));
- tmp1 = (T0 & 0xFFFFFFFF) * (T1 & 0xFFFFFFFF);
- tmp0 += tmp1 >> 32;
- T0 = (T0 >> 32) * (T0 >> 32);
- T0 += tmp0 >> 32;
+ mulu64(&tl, &th, op1, op2);
+ return th;
}
-void helper_ctpop (void)
+uint64_t helper_ctpop (uint64_t arg)
{
- int n;
-
- for (n = 0; T0 != 0; n++)
- T0 = T0 ^ (T0 - 1);
- T0 = n;
+ return ctpop64(arg);
}
-void helper_ctlz (void)
+uint64_t helper_ctlz (uint64_t arg)
{
- uint32_t op32;
- int n;
-
- n = 0;
- if (!(T0 & 0xFFFFFFFF00000000ULL)) {
- n += 32;
- T0 <<= 32;
- }
- /* Make it easier for 32 bits hosts */
- op32 = T0 >> 32;
- if (!(op32 & 0xFFFF0000UL)) {
- n += 16;
- op32 <<= 16;
- }
- if (!(op32 & 0xFF000000UL)) {
- n += 8;
- op32 <<= 8;
- }
- if (!(op32 & 0xF0000000UL)) {
- n += 4;
- op32 <<= 4;
- }
- if (!(op32 & 0xC0000000UL)) {
- n += 2;
- op32 <<= 2;
- }
- if (!(op32 & 0x80000000UL)) {
- n++;
- op32 <<= 1;
- }
- if (!(op32 & 0x80000000UL)) {
- n++;
- }
- T0 = n;
+ return clz64(arg);
}
-void helper_cttz (void)
+uint64_t helper_cttz (uint64_t arg)
{
- uint32_t op32;
- int n;
-
- n = 0;
- if (!(T0 & 0x00000000FFFFFFFFULL)) {
- n += 32;
- T0 >>= 32;
- }
- /* Make it easier for 32 bits hosts */
- op32 = T0;
- if (!(op32 & 0x0000FFFFUL)) {
- n += 16;
- op32 >>= 16;
- }
- if (!(op32 & 0x000000FFUL)) {
- n += 8;
- op32 >>= 8;
- }
- if (!(op32 & 0x0000000FUL)) {
- n += 4;
- op32 >>= 4;
- }
- if (!(op32 & 0x00000003UL)) {
- n += 2;
- op32 >>= 2;
- }
- if (!(op32 & 0x00000001UL)) {
- n++;
- op32 >>= 1;
- }
- if (!(op32 & 0x00000001UL)) {
- n++;
- }
- T0 = n;
+ return ctz64(arg);
}
-static inline uint64_t byte_zap (uint64_t op, uint8_t mskb)
+static always_inline uint64_t byte_zap (uint64_t op, uint8_t mskb)
{
uint64_t mask;
return op & ~mask;
}
-void helper_mskbl (void)
+uint64_t helper_mskbl(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, 0x01 << (T1 & 7));
+ return byte_zap(val, 0x01 << (mask & 7));
}
-void helper_extbl (void)
+uint64_t helper_insbl(uint64_t val, uint64_t mask)
{
- T0 >>= (T1 & 7) * 8;
- T0 = byte_zap(T0, 0xFE);
+ val <<= (mask & 7) * 8;
+ return byte_zap(val, ~(0x01 << (mask & 7)));
}
-void helper_insbl (void)
+uint64_t helper_mskwl(uint64_t val, uint64_t mask)
{
- T0 <<= (T1 & 7) * 8;
- T0 = byte_zap(T0, ~(0x01 << (T1 & 7)));
+ return byte_zap(val, 0x03 << (mask & 7));
}
-void helper_mskwl (void)
+uint64_t helper_inswl(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, 0x03 << (T1 & 7));
+ val <<= (mask & 7) * 8;
+ return byte_zap(val, ~(0x03 << (mask & 7)));
}
-void helper_extwl (void)
+uint64_t helper_mskll(uint64_t val, uint64_t mask)
{
- T0 >>= (T1 & 7) * 8;
- T0 = byte_zap(T0, 0xFC);
+ return byte_zap(val, 0x0F << (mask & 7));
}
-void helper_inswl (void)
+uint64_t helper_insll(uint64_t val, uint64_t mask)
{
- T0 <<= (T1 & 7) * 8;
- T0 = byte_zap(T0, ~(0x03 << (T1 & 7)));
+ val <<= (mask & 7) * 8;
+ return byte_zap(val, ~(0x0F << (mask & 7)));
}
-void helper_mskll (void)
+uint64_t helper_zap(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, 0x0F << (T1 & 7));
+ return byte_zap(val, mask);
}
-void helper_extll (void)
+uint64_t helper_zapnot(uint64_t val, uint64_t mask)
{
- T0 >>= (T1 & 7) * 8;
- T0 = byte_zap(T0, 0xF0);
+ return byte_zap(val, ~mask);
}
-void helper_insll (void)
+uint64_t helper_mskql(uint64_t val, uint64_t mask)
{
- T0 <<= (T1 & 7) * 8;
- T0 = byte_zap(T0, ~(0x0F << (T1 & 7)));
+ return byte_zap(val, 0xFF << (mask & 7));
}
-void helper_zap (void)
+uint64_t helper_insql(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, T1);
+ val <<= (mask & 7) * 8;
+ return byte_zap(val, ~(0xFF << (mask & 7)));
}
-void helper_zapnot (void)
+uint64_t helper_mskwh(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, ~T1);
+ return byte_zap(val, (0x03 << (mask & 7)) >> 8);
}
-void helper_mskql (void)
+uint64_t helper_inswh(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, 0xFF << (T1 & 7));
+ val >>= 64 - ((mask & 7) * 8);
+ return byte_zap(val, ~((0x03 << (mask & 7)) >> 8));
}
-void helper_extql (void)
+uint64_t helper_msklh(uint64_t val, uint64_t mask)
{
- T0 >>= (T1 & 7) * 8;
- T0 = byte_zap(T0, 0x00);
+ return byte_zap(val, (0x0F << (mask & 7)) >> 8);
}
-void helper_insql (void)
+uint64_t helper_inslh(uint64_t val, uint64_t mask)
{
- T0 <<= (T1 & 7) * 8;
- T0 = byte_zap(T0, ~(0xFF << (T1 & 7)));
+ val >>= 64 - ((mask & 7) * 8);
+ return byte_zap(val, ~((0x0F << (mask & 7)) >> 8));
}
-void helper_mskwh (void)
+uint64_t helper_mskqh(uint64_t val, uint64_t mask)
{
- T0 = byte_zap(T0, (0x03 << (T1 & 7)) >> 8);
+ return byte_zap(val, (0xFF << (mask & 7)) >> 8);
}
-void helper_inswh (void)
+uint64_t helper_insqh(uint64_t val, uint64_t mask)
{
- T0 >>= 64 - ((T1 & 7) * 8);
- T0 = byte_zap(T0, ~((0x03 << (T1 & 7)) >> 8));
+ val >>= 64 - ((mask & 7) * 8);
+ return byte_zap(val, ~((0xFF << (mask & 7)) >> 8));
}
-void helper_extwh (void)
+uint64_t helper_cmpbge (uint64_t op1, uint64_t op2)
{
- T0 <<= 64 - ((T1 & 7) * 8);
- T0 = byte_zap(T0, ~0x07);
+ uint8_t opa, opb, res;
+ int i;
+
+ res = 0;
+ for (i = 0; i < 8; i++) {
+ opa = op1 >> (i * 8);
+ opb = op2 >> (i * 8);
+ if (opa >= opb)
+ res |= 1 << i;
+ }
+ return res;
}
-void helper_msklh (void)
+/* Floating point helpers */
+
+/* F floating (VAX) */
+static always_inline uint64_t float32_to_f (float32 fa)
{
- T0 = byte_zap(T0, (0x0F << (T1 & 7)) >> 8);
+ uint64_t r, exp, mant, sig;
+ CPU_FloatU a;
+
+ a.f = fa;
+ sig = ((uint64_t)a.l & 0x80000000) << 32;
+ exp = (a.l >> 23) & 0xff;
+ mant = ((uint64_t)a.l & 0x007fffff) << 29;
+
+ if (exp == 255) {
+ /* NaN or infinity */
+ r = 1; /* VAX dirty zero */
+ } else if (exp == 0) {
+ if (mant == 0) {
+ /* Zero */
+ r = 0;
+ } else {
+ /* Denormalized */
+ r = sig | ((exp + 1) << 52) | mant;
+ }
+ } else {
+ if (exp >= 253) {
+ /* Overflow */
+ r = 1; /* VAX dirty zero */
+ } else {
+ r = sig | ((exp + 2) << 52);
+ }
+ }
+
+ return r;
}
-void helper_inslh (void)
+static always_inline float32 f_to_float32 (uint64_t a)
{
- T0 >>= 64 - ((T1 & 7) * 8);
- T0 = byte_zap(T0, ~((0x0F << (T1 & 7)) >> 8));
+ uint32_t exp, mant_sig;
+ CPU_FloatU r;
+
+ exp = ((a >> 55) & 0x80) | ((a >> 52) & 0x7f);
+ mant_sig = ((a >> 32) & 0x80000000) | ((a >> 29) & 0x007fffff);
+
+ if (unlikely(!exp && mant_sig)) {
+ /* Reserved operands / Dirty zero */
+ helper_excp(EXCP_OPCDEC, 0);
+ }
+
+ if (exp < 3) {
+ /* Underflow */
+ r.l = 0;
+ } else {
+ r.l = ((exp - 2) << 23) | mant_sig;
+ }
+
+ return r.f;
}
-void helper_extlh (void)
+uint32_t helper_f_to_memory (uint64_t a)
{
- T0 <<= 64 - ((T1 & 7) * 8);
- T0 = byte_zap(T0, ~0x0F);
+ uint32_t r;
+ r = (a & 0x00001fffe0000000ull) >> 13;
+ r |= (a & 0x07ffe00000000000ull) >> 45;
+ r |= (a & 0xc000000000000000ull) >> 48;
+ return r;
}
-void helper_mskqh (void)
+uint64_t helper_memory_to_f (uint32_t a)
{
- T0 = byte_zap(T0, (0xFF << (T1 & 7)) >> 8);
+ uint64_t r;
+ r = ((uint64_t)(a & 0x0000c000)) << 48;
+ r |= ((uint64_t)(a & 0x003fffff)) << 45;
+ r |= ((uint64_t)(a & 0xffff0000)) << 13;
+ if (!(a & 0x00004000))
+ r |= 0x7ll << 59;
+ return r;
}
-void helper_insqh (void)
+uint64_t helper_addf (uint64_t a, uint64_t b)
{
- T0 >>= 64 - ((T1 & 7) * 8);
- T0 = byte_zap(T0, ~((0xFF << (T1 & 7)) >> 8));
+ float32 fa, fb, fr;
+
+ fa = f_to_float32(a);
+ fb = f_to_float32(b);
+ fr = float32_add(fa, fb, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_extqh (void)
+uint64_t helper_subf (uint64_t a, uint64_t b)
{
- T0 <<= 64 - ((T1 & 7) * 8);
- T0 = byte_zap(T0, 0x00);
+ float32 fa, fb, fr;
+
+ fa = f_to_float32(a);
+ fb = f_to_float32(b);
+ fr = float32_sub(fa, fb, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_cmpbge (void)
+uint64_t helper_mulf (uint64_t a, uint64_t b)
{
- uint8_t opa, opb, res;
- int i;
+ float32 fa, fb, fr;
- res = 0;
- for (i = 0; i < 7; i++) {
- opa = T0 >> (i * 8);
- opb = T1 >> (i * 8);
- if (opa >= opb)
- res |= 1 << i;
- }
- T0 = res;
+ fa = f_to_float32(a);
+ fb = f_to_float32(b);
+ fr = float32_mul(fa, fb, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_cmov_fir (int freg)
+uint64_t helper_divf (uint64_t a, uint64_t b)
{
- if (FT0 != 0)
- env->fir[freg] = FT1;
+ float32 fa, fb, fr;
+
+ fa = f_to_float32(a);
+ fb = f_to_float32(b);
+ fr = float32_div(fa, fb, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_sqrts (void)
+uint64_t helper_sqrtf (uint64_t t)
{
- FT0 = float32_sqrt(FT0, &FP_STATUS);
+ float32 ft, fr;
+
+ ft = f_to_float32(t);
+ fr = float32_sqrt(ft, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_cpys (void)
+
+/* G floating (VAX) */
+static always_inline uint64_t float64_to_g (float64 fa)
{
- union {
- double d;
- uint64_t i;
- } p, q, r;
+ uint64_t r, exp, mant, sig;
+ CPU_DoubleU a;
+
+ a.d = fa;
+ sig = a.ll & 0x8000000000000000ull;
+ exp = (a.ll >> 52) & 0x7ff;
+ mant = a.ll & 0x000fffffffffffffull;
+
+ if (exp == 2047) {
+ /* NaN or infinity */
+ r = 1; /* VAX dirty zero */
+ } else if (exp == 0) {
+ if (mant == 0) {
+ /* Zero */
+ r = 0;
+ } else {
+ /* Denormalized */
+ r = sig | ((exp + 1) << 52) | mant;
+ }
+ } else {
+ if (exp >= 2045) {
+ /* Overflow */
+ r = 1; /* VAX dirty zero */
+ } else {
+ r = sig | ((exp + 2) << 52);
+ }
+ }
- p.d = FT0;
- q.d = FT1;
- r.i = p.i & 0x8000000000000000ULL;
- r.i |= q.i & ~0x8000000000000000ULL;
- FT0 = r.d;
+ return r;
}
-void helper_cpysn (void)
+static always_inline float64 g_to_float64 (uint64_t a)
{
- union {
- double d;
- uint64_t i;
- } p, q, r;
+ uint64_t exp, mant_sig;
+ CPU_DoubleU r;
+
+ exp = (a >> 52) & 0x7ff;
+ mant_sig = a & 0x800fffffffffffffull;
+
+ if (!exp && mant_sig) {
+ /* Reserved operands / Dirty zero */
+ helper_excp(EXCP_OPCDEC, 0);
+ }
+
+ if (exp < 3) {
+ /* Underflow */
+ r.ll = 0;
+ } else {
+ r.ll = ((exp - 2) << 52) | mant_sig;
+ }
- p.d = FT0;
- q.d = FT1;
- r.i = (~p.i) & 0x8000000000000000ULL;
- r.i |= q.i & ~0x8000000000000000ULL;
- FT0 = r.d;
+ return r.d;
}
-void helper_cpyse (void)
+uint64_t helper_g_to_memory (uint64_t a)
{
- union {
- double d;
- uint64_t i;
- } p, q, r;
+ uint64_t r;
+ r = (a & 0x000000000000ffffull) << 48;
+ r |= (a & 0x00000000ffff0000ull) << 16;
+ r |= (a & 0x0000ffff00000000ull) >> 16;
+ r |= (a & 0xffff000000000000ull) >> 48;
+ return r;
+}
- p.d = FT0;
- q.d = FT1;
- r.i = p.i & 0xFFF0000000000000ULL;
- r.i |= q.i & ~0xFFF0000000000000ULL;
- FT0 = r.d;
+uint64_t helper_memory_to_g (uint64_t a)
+{
+ uint64_t r;
+ r = (a & 0x000000000000ffffull) << 48;
+ r |= (a & 0x00000000ffff0000ull) << 16;
+ r |= (a & 0x0000ffff00000000ull) >> 16;
+ r |= (a & 0xffff000000000000ull) >> 48;
+ return r;
}
-void helper_itofs (void)
+uint64_t helper_addg (uint64_t a, uint64_t b)
{
- union {
- double d;
- uint64_t i;
- } p;
+ float64 fa, fb, fr;
- p.d = FT0;
- FT0 = int64_to_float32(p.i, &FP_STATUS);
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+ fr = float64_add(fa, fb, &FP_STATUS);
+ return float64_to_g(fr);
}
-void helper_ftois (void)
+uint64_t helper_subg (uint64_t a, uint64_t b)
{
- union {
- double d;
- uint64_t i;
- } p;
+ float64 fa, fb, fr;
- p.i = float32_to_int64(FT0, &FP_STATUS);
- FT0 = p.d;
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+ fr = float64_sub(fa, fb, &FP_STATUS);
+ return float64_to_g(fr);
}
-void helper_sqrtt (void)
+uint64_t helper_mulg (uint64_t a, uint64_t b)
{
- FT0 = float64_sqrt(FT0, &FP_STATUS);
+ float64 fa, fb, fr;
+
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+ fr = float64_mul(fa, fb, &FP_STATUS);
+ return float64_to_g(fr);
}
-void helper_cmptun (void)
+uint64_t helper_divg (uint64_t a, uint64_t b)
{
- union {
- double d;
- uint64_t i;
- } p;
+ float64 fa, fb, fr;
- p.i = 0;
- if (float64_is_nan(FT0) || float64_is_nan(FT1))
- p.i = 0x4000000000000000ULL;
- FT0 = p.d;
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+ fr = float64_div(fa, fb, &FP_STATUS);
+ return float64_to_g(fr);
}
-void helper_cmpteq (void)
+uint64_t helper_sqrtg (uint64_t a)
{
- union {
- double d;
- uint64_t i;
- } p;
+ float64 fa, fr;
- p.i = 0;
- if (float64_eq(FT0, FT1, &FP_STATUS))
- p.i = 0x4000000000000000ULL;
- FT0 = p.d;
+ fa = g_to_float64(a);
+ fr = float64_sqrt(fa, &FP_STATUS);
+ return float64_to_g(fr);
}
-void helper_cmptle (void)
+
+/* S floating (single) */
+static always_inline uint64_t float32_to_s (float32 fa)
{
- union {
- double d;
- uint64_t i;
- } p;
+ CPU_FloatU a;
+ uint64_t r;
- p.i = 0;
- if (float64_le(FT0, FT1, &FP_STATUS))
- p.i = 0x4000000000000000ULL;
- FT0 = p.d;
+ a.f = fa;
+
+ r = (((uint64_t)(a.l & 0xc0000000)) << 32) | (((uint64_t)(a.l & 0x3fffffff)) << 29);
+ if (((a.l & 0x7f800000) != 0x7f800000) && (!(a.l & 0x40000000)))
+ r |= 0x7ll << 59;
+ return r;
}
-void helper_cmptlt (void)
+static always_inline float32 s_to_float32 (uint64_t a)
{
- union {
- double d;
- uint64_t i;
- } p;
+ CPU_FloatU r;
+ r.l = ((a >> 32) & 0xc0000000) | ((a >> 29) & 0x3fffffff);
+ return r.f;
+}
- p.i = 0;
- if (float64_lt(FT0, FT1, &FP_STATUS))
- p.i = 0x4000000000000000ULL;
- FT0 = p.d;
+uint32_t helper_s_to_memory (uint64_t a)
+{
+ /* Memory format is the same as float32 */
+ float32 fa = s_to_float32(a);
+ return *(uint32_t*)(&fa);
+}
+
+uint64_t helper_memory_to_s (uint32_t a)
+{
+ /* Memory format is the same as float32 */
+ return float32_to_s(*(float32*)(&a));
}
-void helper_itoft (void)
+uint64_t helper_adds (uint64_t a, uint64_t b)
{
- union {
- double d;
- uint64_t i;
- } p;
+ float32 fa, fb, fr;
- p.d = FT0;
- FT0 = int64_to_float64(p.i, &FP_STATUS);
+ fa = s_to_float32(a);
+ fb = s_to_float32(b);
+ fr = float32_add(fa, fb, &FP_STATUS);
+ return float32_to_s(fr);
}
-void helper_ftoit (void)
+uint64_t helper_subs (uint64_t a, uint64_t b)
{
- union {
- double d;
- uint64_t i;
- } p;
+ float32 fa, fb, fr;
- p.i = float64_to_int64(FT0, &FP_STATUS);
- FT0 = p.d;
+ fa = s_to_float32(a);
+ fb = s_to_float32(b);
+ fr = float32_sub(fa, fb, &FP_STATUS);
+ return float32_to_s(fr);
}
-static int vaxf_is_valid (float ff)
+uint64_t helper_muls (uint64_t a, uint64_t b)
{
- union {
- float f;
- uint32_t i;
- } p;
- uint32_t exp, mant;
+ float32 fa, fb, fr;
- p.f = ff;
- exp = (p.i >> 23) & 0xFF;
- mant = p.i & 0x007FFFFF;
- if (exp == 0 && ((p.i & 0x80000000) || mant != 0)) {
- /* Reserved operands / Dirty zero */
- return 0;
- }
+ fa = s_to_float32(a);
+ fb = s_to_float32(b);
+ fr = float32_mul(fa, fb, &FP_STATUS);
+ return float32_to_s(fr);
+}
- return 1;
+uint64_t helper_divs (uint64_t a, uint64_t b)
+{
+ float32 fa, fb, fr;
+
+ fa = s_to_float32(a);
+ fb = s_to_float32(b);
+ fr = float32_div(fa, fb, &FP_STATUS);
+ return float32_to_s(fr);
}
-static float vaxf_to_ieee32 (float ff)
+uint64_t helper_sqrts (uint64_t a)
{
- union {
- float f;
- uint32_t i;
- } p;
- uint32_t exp;
+ float32 fa, fr;
- p.f = ff;
- exp = (p.i >> 23) & 0xFF;
- if (exp < 3) {
- /* Underflow */
- p.f = 0.0;
- } else {
- p.f *= 0.25;
- }
+ fa = s_to_float32(a);
+ fr = float32_sqrt(fa, &FP_STATUS);
+ return float32_to_s(fr);
+}
- return p.f;
+
+/* T floating (double) */
+static always_inline float64 t_to_float64 (uint64_t a)
+{
+ /* Memory format is the same as float64 */
+ CPU_DoubleU r;
+ r.ll = a;
+ return r.d;
}
-static float ieee32_to_vaxf (float fi)
+static always_inline uint64_t float64_to_t (float64 fa)
{
- union {
- float f;
- uint32_t i;
- } p;
- uint32_t exp, mant;
+ /* Memory format is the same as float64 */
+ CPU_DoubleU r;
+ r.d = fa;
+ return r.ll;
+}
- p.f = fi;
- exp = (p.i >> 23) & 0xFF;
- mant = p.i & 0x007FFFFF;
- if (exp == 255) {
- /* NaN or infinity */
- p.i = 1;
- } else if (exp == 0) {
- if (mant == 0) {
- /* Zero */
- p.i = 0;
- } else {
- /* Denormalized */
- p.f *= 2.0;
- }
- } else {
- if (exp >= 253) {
- /* Overflow */
- p.i = 1;
- } else {
- p.f *= 4.0;
- }
- }
+uint64_t helper_addt (uint64_t a, uint64_t b)
+{
+ float64 fa, fb, fr;
- return p.f;
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
+ fr = float64_add(fa, fb, &FP_STATUS);
+ return float64_to_t(fr);
}
-void helper_addf (void)
+uint64_t helper_subt (uint64_t a, uint64_t b)
{
- float ft0, ft1, ft2;
+ float64 fa, fb, fr;
- if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxf_to_ieee32(FT0);
- ft1 = vaxf_to_ieee32(FT1);
- ft2 = float32_add(ft0, ft1, &FP_STATUS);
- FT0 = ieee32_to_vaxf(ft2);
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
+ fr = float64_sub(fa, fb, &FP_STATUS);
+ return float64_to_t(fr);
}
-void helper_subf (void)
+uint64_t helper_mult (uint64_t a, uint64_t b)
{
- float ft0, ft1, ft2;
+ float64 fa, fb, fr;
- if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxf_to_ieee32(FT0);
- ft1 = vaxf_to_ieee32(FT1);
- ft2 = float32_sub(ft0, ft1, &FP_STATUS);
- FT0 = ieee32_to_vaxf(ft2);
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
+ fr = float64_mul(fa, fb, &FP_STATUS);
+ return float64_to_t(fr);
}
-void helper_mulf (void)
+uint64_t helper_divt (uint64_t a, uint64_t b)
{
- float ft0, ft1, ft2;
+ float64 fa, fb, fr;
- if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxf_to_ieee32(FT0);
- ft1 = vaxf_to_ieee32(FT1);
- ft2 = float32_mul(ft0, ft1, &FP_STATUS);
- FT0 = ieee32_to_vaxf(ft2);
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
+ fr = float64_div(fa, fb, &FP_STATUS);
+ return float64_to_t(fr);
}
-void helper_divf (void)
+uint64_t helper_sqrtt (uint64_t a)
{
- float ft0, ft1, ft2;
+ float64 fa, fr;
- if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxf_to_ieee32(FT0);
- ft1 = vaxf_to_ieee32(FT1);
- ft2 = float32_div(ft0, ft1, &FP_STATUS);
- FT0 = ieee32_to_vaxf(ft2);
+ fa = t_to_float64(a);
+ fr = float64_sqrt(fa, &FP_STATUS);
+ return float64_to_t(fr);
}
-void helper_sqrtf (void)
+
+/* Sign copy */
+uint64_t helper_cpys(uint64_t a, uint64_t b)
{
- float ft0, ft1;
+ return (a & 0x8000000000000000ULL) | (b & ~0x8000000000000000ULL);
+}
- if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxf_to_ieee32(FT0);
- ft1 = float32_sqrt(ft0, &FP_STATUS);
- FT0 = ieee32_to_vaxf(ft1);
+uint64_t helper_cpysn(uint64_t a, uint64_t b)
+{
+ return ((~a) & 0x8000000000000000ULL) | (b & ~0x8000000000000000ULL);
}
-void helper_itoff (void)
+uint64_t helper_cpyse(uint64_t a, uint64_t b)
{
- /* XXX: TODO */
+ return (a & 0xFFF0000000000000ULL) | (b & ~0xFFF0000000000000ULL);
}
-static int vaxg_is_valid (double ff)
+
+/* Comparisons */
+uint64_t helper_cmptun (uint64_t a, uint64_t b)
{
- union {
- double f;
- uint64_t i;
- } p;
- uint64_t exp, mant;
+ float64 fa, fb;
- p.f = ff;
- exp = (p.i >> 52) & 0x7FF;
- mant = p.i & 0x000FFFFFFFFFFFFFULL;
- if (exp == 0 && ((p.i & 0x8000000000000000ULL) || mant != 0)) {
- /* Reserved operands / Dirty zero */
- return 0;
- }
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
- return 1;
+ if (float64_is_nan(fa) || float64_is_nan(fb))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-static double vaxg_to_ieee64 (double fg)
+uint64_t helper_cmpteq(uint64_t a, uint64_t b)
{
- union {
- double f;
- uint64_t i;
- } p;
- uint32_t exp;
+ float64 fa, fb;
- p.f = fg;
- exp = (p.i >> 52) & 0x7FF;
- if (exp < 3) {
- /* Underflow */
- p.f = 0.0;
- } else {
- p.f *= 0.25;
- }
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
- return p.f;
+ if (float64_eq(fa, fb, &FP_STATUS))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-static double ieee64_to_vaxg (double fi)
+uint64_t helper_cmptle(uint64_t a, uint64_t b)
{
- union {
- double f;
- uint64_t i;
- } p;
- uint64_t mant;
- uint32_t exp;
+ float64 fa, fb;
- p.f = fi;
- exp = (p.i >> 52) & 0x7FF;
- mant = p.i & 0x000FFFFFFFFFFFFFULL;
- if (exp == 255) {
- /* NaN or infinity */
- p.i = 1; /* VAX dirty zero */
- } else if (exp == 0) {
- if (mant == 0) {
- /* Zero */
- p.i = 0;
- } else {
- /* Denormalized */
- p.f *= 2.0;
- }
- } else {
- if (exp >= 2045) {
- /* Overflow */
- p.i = 1; /* VAX dirty zero */
- } else {
- p.f *= 4.0;
- }
- }
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
- return p.f;
+ if (float64_le(fa, fb, &FP_STATUS))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-void helper_addg (void)
+uint64_t helper_cmptlt(uint64_t a, uint64_t b)
{
- double ft0, ft1, ft2;
+ float64 fa, fb;
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- ft2 = float64_add(ft0, ft1, &FP_STATUS);
- FT0 = ieee64_to_vaxg(ft2);
+ fa = t_to_float64(a);
+ fb = t_to_float64(b);
+
+ if (float64_lt(fa, fb, &FP_STATUS))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-void helper_subg (void)
+uint64_t helper_cmpgeq(uint64_t a, uint64_t b)
{
- double ft0, ft1, ft2;
+ float64 fa, fb;
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- ft2 = float64_sub(ft0, ft1, &FP_STATUS);
- FT0 = ieee64_to_vaxg(ft2);
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+
+ if (float64_eq(fa, fb, &FP_STATUS))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-void helper_mulg (void)
+uint64_t helper_cmpgle(uint64_t a, uint64_t b)
{
- double ft0, ft1, ft2;
+ float64 fa, fb;
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- ft2 = float64_mul(ft0, ft1, &FP_STATUS);
- FT0 = ieee64_to_vaxg(ft2);
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+
+ if (float64_le(fa, fb, &FP_STATUS))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-void helper_divg (void)
+uint64_t helper_cmpglt(uint64_t a, uint64_t b)
{
- double ft0, ft1, ft2;
+ float64 fa, fb;
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- ft2 = float64_div(ft0, ft1, &FP_STATUS);
- FT0 = ieee64_to_vaxg(ft2);
+ fa = g_to_float64(a);
+ fb = g_to_float64(b);
+
+ if (float64_lt(fa, fb, &FP_STATUS))
+ return 0x4000000000000000ULL;
+ else
+ return 0;
}
-void helper_sqrtg (void)
+uint64_t helper_cmpfeq (uint64_t a)
{
- double ft0, ft1;
-
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = float64_sqrt(ft0, &FP_STATUS);
- FT0 = ieee64_to_vaxg(ft1);
+ return !(a & 0x7FFFFFFFFFFFFFFFULL);
}
-void helper_cmpgeq (void)
+uint64_t helper_cmpfne (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
- double ft0, ft1;
-
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- p.u = 0;
- if (float64_eq(ft0, ft1, &FP_STATUS))
- p.u = 0x4000000000000000ULL;
- FT0 = p.d;
+ return (a & 0x7FFFFFFFFFFFFFFFULL);
}
-void helper_cmpglt (void)
+uint64_t helper_cmpflt (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
- double ft0, ft1;
-
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- p.u = 0;
- if (float64_lt(ft0, ft1, &FP_STATUS))
- p.u = 0x4000000000000000ULL;
- FT0 = p.d;
+ return (a & 0x8000000000000000ULL) && (a & 0x7FFFFFFFFFFFFFFFULL);
}
-void helper_cmpgle (void)
+uint64_t helper_cmpfle (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
- double ft0, ft1;
-
- if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
- /* XXX: TODO */
- }
- ft0 = vaxg_to_ieee64(FT0);
- ft1 = vaxg_to_ieee64(FT1);
- p.u = 0;
- if (float64_le(ft0, ft1, &FP_STATUS))
- p.u = 0x4000000000000000ULL;
- FT0 = p.d;
+ return (a & 0x8000000000000000ULL) || !(a & 0x7FFFFFFFFFFFFFFFULL);
}
-void helper_cvtqs (void)
+uint64_t helper_cmpfgt (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
-
- p.d = FT0;
- FT0 = (float)p.u;
+ return !(a & 0x8000000000000000ULL) && (a & 0x7FFFFFFFFFFFFFFFULL);
}
-void helper_cvttq (void)
+uint64_t helper_cmpfge (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
-
- p.u = FT0;
- FT0 = p.d;
+ return !(a & 0x8000000000000000ULL) || !(a & 0x7FFFFFFFFFFFFFFFULL);
}
-void helper_cvtqt (void)
+
+/* Floating point format conversion */
+uint64_t helper_cvtts (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
+ float64 fa;
+ float32 fr;
- p.d = FT0;
- FT0 = p.u;
+ fa = t_to_float64(a);
+ fr = float64_to_float32(fa, &FP_STATUS);
+ return float32_to_s(fr);
}
-void helper_cvtqf (void)
+uint64_t helper_cvtst (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
+ float32 fa;
+ float64 fr;
- p.d = FT0;
- FT0 = ieee32_to_vaxf(p.u);
+ fa = s_to_float32(a);
+ fr = float32_to_float64(fa, &FP_STATUS);
+ return float64_to_t(fr);
}
-void helper_cvtgf (void)
+uint64_t helper_cvtqs (uint64_t a)
{
- double ft0;
-
- ft0 = vaxg_to_ieee64(FT0);
- FT0 = ieee32_to_vaxf(ft0);
+ float32 fr = int64_to_float32(a, &FP_STATUS);
+ return float32_to_s(fr);
}
-void helper_cvtgd (void)
+uint64_t helper_cvttq (uint64_t a)
{
- /* XXX: TODO */
+ float64 fa = t_to_float64(a);
+ return float64_to_int64_round_to_zero(fa, &FP_STATUS);
}
-void helper_cvtgq (void)
+uint64_t helper_cvtqt (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
+ float64 fr = int64_to_float64(a, &FP_STATUS);
+ return float64_to_t(fr);
+}
- p.u = vaxg_to_ieee64(FT0);
- FT0 = p.d;
+uint64_t helper_cvtqf (uint64_t a)
+{
+ float32 fr = int64_to_float32(a, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_cvtqg (void)
+uint64_t helper_cvtgf (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p;
+ float64 fa;
+ float32 fr;
- p.d = FT0;
- FT0 = ieee64_to_vaxg(p.u);
+ fa = g_to_float64(a);
+ fr = float64_to_float32(fa, &FP_STATUS);
+ return float32_to_f(fr);
}
-void helper_cvtdg (void)
+uint64_t helper_cvtgq (uint64_t a)
{
- /* XXX: TODO */
+ float64 fa = g_to_float64(a);
+ return float64_to_int64_round_to_zero(fa, &FP_STATUS);
}
-void helper_cvtlq (void)
+uint64_t helper_cvtqg (uint64_t a)
{
- union {
- double d;
- uint64_t u;
- } p, q;
+ float64 fr;
+ fr = int64_to_float64(a, &FP_STATUS);
+ return float64_to_g(fr);
+}
- p.d = FT0;
- q.u = (p.u >> 29) & 0x3FFFFFFF;
- q.u |= (p.u >> 32);
- q.u = (int64_t)((int32_t)q.u);
- FT0 = q.d;
+uint64_t helper_cvtlq (uint64_t a)
+{
+ return (int64_t)((int32_t)((a >> 32) | ((a >> 29) & 0x3FFFFFFF)));
}
-static inline void __helper_cvtql (int s, int v)
+static always_inline uint64_t __helper_cvtql (uint64_t a, int s, int v)
{
- union {
- double d;
- uint64_t u;
- } p, q;
+ uint64_t r;
+
+ r = ((uint64_t)(a & 0xC0000000)) << 32;
+ r |= ((uint64_t)(a & 0x7FFFFFFF)) << 29;
- p.d = FT0;
- q.u = ((uint64_t)(p.u & 0xC0000000)) << 32;
- q.u |= ((uint64_t)(p.u & 0x7FFFFFFF)) << 29;
- FT0 = q.d;
- if (v && (int64_t)((int32_t)p.u) != (int64_t)p.u) {
+ if (v && (int64_t)((int32_t)r) != (int64_t)r) {
helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW);
}
if (s) {
/* TODO */
}
+ return r;
}
-void helper_cvtql (void)
+uint64_t helper_cvtql (uint64_t a)
{
- __helper_cvtql(0, 0);
+ return __helper_cvtql(a, 0, 0);
}
-void helper_cvtqlv (void)
+uint64_t helper_cvtqlv (uint64_t a)
{
- __helper_cvtql(0, 1);
+ return __helper_cvtql(a, 0, 1);
}
-void helper_cvtqlsv (void)
+uint64_t helper_cvtqlsv (uint64_t a)
{
- __helper_cvtql(1, 1);
+ return __helper_cvtql(a, 1, 1);
}
-void helper_cmpfeq (void)
+/* PALcode support special instructions */
+#if !defined (CONFIG_USER_ONLY)
+void helper_hw_rei (void)
{
- if (float64_eq(FT0, FT1, &FP_STATUS))
- T0 = 1;
- else
- T0 = 0;
+ env->pc = env->ipr[IPR_EXC_ADDR] & ~3;
+ env->ipr[IPR_EXC_ADDR] = env->ipr[IPR_EXC_ADDR] & 1;
+ /* XXX: re-enable interrupts and memory mapping */
}
-void helper_cmpfne (void)
+void helper_hw_ret (uint64_t a)
{
- if (float64_eq(FT0, FT1, &FP_STATUS))
- T0 = 0;
- else
- T0 = 1;
+ env->pc = a & ~3;
+ env->ipr[IPR_EXC_ADDR] = a & 1;
+ /* XXX: re-enable interrupts and memory mapping */
}
-void helper_cmpflt (void)
+uint64_t helper_mfpr (int iprn, uint64_t val)
{
- if (float64_lt(FT0, FT1, &FP_STATUS))
- T0 = 1;
- else
- T0 = 0;
-}
+ uint64_t tmp;
-void helper_cmpfle (void)
-{
- if (float64_lt(FT0, FT1, &FP_STATUS))
- T0 = 1;
- else
- T0 = 0;
-}
+ if (cpu_alpha_mfpr(env, iprn, &tmp) == 0)
+ val = tmp;
-void helper_cmpfgt (void)
-{
- if (float64_le(FT0, FT1, &FP_STATUS))
- T0 = 0;
- else
- T0 = 1;
+ return val;
}
-void helper_cmpfge (void)
+void helper_mtpr (int iprn, uint64_t val)
{
- if (float64_lt(FT0, FT1, &FP_STATUS))
- T0 = 0;
- else
- T0 = 1;
+ cpu_alpha_mtpr(env, iprn, val, NULL);
}
-#if !defined (CONFIG_USER_ONLY)
-void helper_mfpr (int iprn)
+void helper_set_alt_mode (void)
{
- uint64_t val;
-
- if (cpu_alpha_mfpr(env, iprn, &val) == 0)
- T0 = val;
+ env->saved_mode = env->ps & 0xC;
+ env->ps = (env->ps & ~0xC) | (env->ipr[IPR_ALT_MODE] & 0xC);
}
-void helper_mtpr (int iprn)
+void helper_restore_mode (void)
{
- cpu_alpha_mtpr(env, iprn, T0, NULL);
+ env->ps = (env->ps & ~0xC) | env->saved_mode;
}
+
#endif
/*****************************************************************************/
/* Softmmu support */
#if !defined (CONFIG_USER_ONLY)
-#define GETPC() (__builtin_return_address(0))
-
/* XXX: the two following helpers are pure hacks.
* Hopefully, we emulate the PALcode, then we should never see
* HW_LD / HW_ST instructions.
*/
-void helper_ld_phys_to_virt (void)
+uint64_t helper_ld_virt_to_phys (uint64_t virtaddr)
{
uint64_t tlb_addr, physaddr;
- int index, is_user;
+ int index, mmu_idx;
void *retaddr;
- is_user = (env->ps >> 3) & 3;
- index = (T0 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+ mmu_idx = cpu_mmu_index(env);
+ index = (virtaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
- tlb_addr = env->tlb_table[is_user][index].addr_read;
- if ((T0 & TARGET_PAGE_MASK) ==
+ tlb_addr = env->tlb_table[mmu_idx][index].addr_read;
+ if ((virtaddr & TARGET_PAGE_MASK) ==
(tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- physaddr = T0 + env->tlb_table[is_user][index].addend;
+ physaddr = virtaddr + env->tlb_table[mmu_idx][index].addend;
} else {
/* the page is not in the TLB : fill it */
retaddr = GETPC();
- tlb_fill(T0, 0, is_user, retaddr);
+ tlb_fill(virtaddr, 0, mmu_idx, retaddr);
goto redo;
}
- T0 = physaddr;
+ return physaddr;
}
-void helper_st_phys_to_virt (void)
+uint64_t helper_st_virt_to_phys (uint64_t virtaddr)
{
uint64_t tlb_addr, physaddr;
- int index, is_user;
+ int index, mmu_idx;
void *retaddr;
- is_user = (env->ps >> 3) & 3;
- index = (T0 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+ mmu_idx = cpu_mmu_index(env);
+ index = (virtaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
- tlb_addr = env->tlb_table[is_user][index].addr_write;
- if ((T0 & TARGET_PAGE_MASK) ==
+ tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
+ if ((virtaddr & TARGET_PAGE_MASK) ==
(tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- physaddr = T0 + env->tlb_table[is_user][index].addend;
+ physaddr = virtaddr + env->tlb_table[mmu_idx][index].addend;
} else {
/* the page is not in the TLB : fill it */
retaddr = GETPC();
- tlb_fill(T0, 1, is_user, retaddr);
+ tlb_fill(virtaddr, 1, mmu_idx, retaddr);
goto redo;
}
- T0 = physaddr;
+ return physaddr;
+}
+
+void helper_ldl_raw(uint64_t t0, uint64_t t1)
+{
+ ldl_raw(t1, t0);
+}
+
+void helper_ldq_raw(uint64_t t0, uint64_t t1)
+{
+ ldq_raw(t1, t0);
+}
+
+void helper_ldl_l_raw(uint64_t t0, uint64_t t1)
+{
+ env->lock = t1;
+ ldl_raw(t1, t0);
+}
+
+void helper_ldq_l_raw(uint64_t t0, uint64_t t1)
+{
+ env->lock = t1;
+ ldl_raw(t1, t0);
+}
+
+void helper_ldl_kernel(uint64_t t0, uint64_t t1)
+{
+ ldl_kernel(t1, t0);
+}
+
+void helper_ldq_kernel(uint64_t t0, uint64_t t1)
+{
+ ldq_kernel(t1, t0);
+}
+
+void helper_ldl_data(uint64_t t0, uint64_t t1)
+{
+ ldl_data(t1, t0);
+}
+
+void helper_ldq_data(uint64_t t0, uint64_t t1)
+{
+ ldq_data(t1, t0);
+}
+
+void helper_stl_raw(uint64_t t0, uint64_t t1)
+{
+ stl_raw(t1, t0);
+}
+
+void helper_stq_raw(uint64_t t0, uint64_t t1)
+{
+ stq_raw(t1, t0);
+}
+
+uint64_t helper_stl_c_raw(uint64_t t0, uint64_t t1)
+{
+ uint64_t ret;
+
+ if (t1 == env->lock) {
+ stl_raw(t1, t0);
+ ret = 0;
+ } else
+ ret = 1;
+
+ env->lock = 1;
+
+ return ret;
+}
+
+uint64_t helper_stq_c_raw(uint64_t t0, uint64_t t1)
+{
+ uint64_t ret;
+
+ if (t1 == env->lock) {
+ stq_raw(t1, t0);
+ ret = 0;
+ } else
+ ret = 1;
+
+ env->lock = 1;
+
+ return ret;
}
#define MMUSUFFIX _mmu
NULL, it means that the function was called in C code (i.e. not
from generated code or from helper.c) */
/* XXX: fix it to restore all registers */
-void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr)
+void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
{
TranslationBlock *tb;
CPUState *saved_env;
- target_phys_addr_t pc;
+ unsigned long pc;
int ret;
/* XXX: hack to restore env in all cases, even if not called from
generated code */
saved_env = env;
env = cpu_single_env;
- ret = cpu_alpha_handle_mmu_fault(env, addr, is_write, is_user, 1);
+ ret = cpu_alpha_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
if (!likely(ret == 0)) {
if (likely(retaddr)) {
/* now we have a real cpu fault */
- pc = (target_phys_addr_t)retaddr;
+ pc = (unsigned long)retaddr;
tb = tb_find_pc(pc);
if (likely(tb)) {
/* the PC is inside the translated code. It means that we have
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