Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 552 deletions

diff --git a/qemu/target-alpha/fpu_helper.c b/qemu/target-alpha/fpu_helper.c
deleted file mode 100644
index 5ab7d5e64..000000000
--- a/qemu/target-alpha/fpu_helper.c
+++ /dev/null
@@ -1,552 +0,0 @@
-/*
- *  Helpers for floating point instructions.
- *
- *  Copyright (c) 2007 Jocelyn Mayer
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-#include "fpu/softfloat.h"
-
-#define FP_STATUS (env->fp_status)
-
-
-void helper_setroundmode(CPUAlphaState *env, uint32_t val)
-{
-    set_float_rounding_mode(val, &FP_STATUS);
-}
-
-void helper_setflushzero(CPUAlphaState *env, uint32_t val)
-{
-    set_flush_to_zero(val, &FP_STATUS);
-}
-
-#define CONVERT_BIT(X, SRC, DST) \
-    (SRC > DST ? (X) / (SRC / DST) & (DST) : ((X) & SRC) * (DST / SRC))
-
-static uint32_t soft_to_fpcr_exc(CPUAlphaState *env)
-{
-    uint8_t exc = get_float_exception_flags(&FP_STATUS);
-    uint32_t ret = 0;
-
-    if (unlikely(exc)) {
-        set_float_exception_flags(0, &FP_STATUS);
-        ret |= CONVERT_BIT(exc, float_flag_invalid, FPCR_INV);
-        ret |= CONVERT_BIT(exc, float_flag_divbyzero, FPCR_DZE);
-        ret |= CONVERT_BIT(exc, float_flag_overflow, FPCR_OVF);
-        ret |= CONVERT_BIT(exc, float_flag_underflow, FPCR_UNF);
-        ret |= CONVERT_BIT(exc, float_flag_inexact, FPCR_INE);
-    }
-
-    return ret;
-}
-
-static void fp_exc_raise1(CPUAlphaState *env, uintptr_t retaddr,
-                          uint32_t exc, uint32_t regno, uint32_t hw_exc)
-{
-    hw_exc |= CONVERT_BIT(exc, FPCR_INV, EXC_M_INV);
-    hw_exc |= CONVERT_BIT(exc, FPCR_DZE, EXC_M_DZE);
-    hw_exc |= CONVERT_BIT(exc, FPCR_OVF, EXC_M_FOV);
-    hw_exc |= CONVERT_BIT(exc, FPCR_UNF, EXC_M_UNF);
-    hw_exc |= CONVERT_BIT(exc, FPCR_INE, EXC_M_INE);
-    hw_exc |= CONVERT_BIT(exc, FPCR_IOV, EXC_M_IOV);
-
-    arith_excp(env, retaddr, hw_exc, 1ull << regno);
-}
-
-/* Raise exceptions for ieee fp insns without software completion.
-   In that case there are no exceptions that don't trap; the mask
-   doesn't apply.  */
-void helper_fp_exc_raise(CPUAlphaState *env, uint32_t ignore, uint32_t regno)
-{
-    uint32_t exc = env->error_code;
-    if (exc) {
-        env->fpcr |= exc;
-        exc &= ~ignore;
-        if (exc) {
-            fp_exc_raise1(env, GETPC(), exc, regno, 0);
-        }
-    }
-}
-
-/* Raise exceptions for ieee fp insns with software completion.  */
-void helper_fp_exc_raise_s(CPUAlphaState *env, uint32_t ignore, uint32_t regno)
-{
-    uint32_t exc = env->error_code & ~ignore;
-    if (exc) {
-        env->fpcr |= exc;
-        exc &= ~ignore;
-        if (exc) {
-            exc &= env->fpcr_exc_enable;
-            fp_exc_raise1(env, GETPC(), exc, regno, EXC_M_SWC);
-        }
-    }
-}
-
-/* Input handing without software completion.  Trap for all
-   non-finite numbers.  */
-void helper_ieee_input(CPUAlphaState *env, uint64_t val)
-{
-    uint32_t exp = (uint32_t)(val >> 52) & 0x7ff;
-    uint64_t frac = val & 0xfffffffffffffull;
-
-    if (exp == 0) {
-        /* Denormals without /S raise an exception.  */
-        if (frac != 0) {
-            arith_excp(env, GETPC(), EXC_M_INV, 0);
-        }
-    } else if (exp == 0x7ff) {
-        /* Infinity or NaN.  */
-        env->fpcr |= FPCR_INV;
-        arith_excp(env, GETPC(), EXC_M_INV, 0);
-    }
-}
-
-/* Similar, but does not trap for infinities.  Used for comparisons.  */
-void helper_ieee_input_cmp(CPUAlphaState *env, uint64_t val)
-{
-    uint32_t exp = (uint32_t)(val >> 52) & 0x7ff;
-    uint64_t frac = val & 0xfffffffffffffull;
-
-    if (exp == 0) {
-        /* Denormals without /S raise an exception.  */
-        if (frac != 0) {
-            arith_excp(env, GETPC(), EXC_M_INV, 0);
-        }
-    } else if (exp == 0x7ff && frac) {
-        /* NaN.  */
-        env->fpcr |= FPCR_INV;
-        arith_excp(env, GETPC(), EXC_M_INV, 0);
-    }
-}
-
-/* Input handing with software completion.  Trap for denorms, unless DNZ
-   is set.  If we try to support DNOD (which none of the produced hardware
-   did, AFAICS), we'll need to suppress the trap when FPCR.DNOD is set;
-   then the code downstream of that will need to cope with denorms sans
-   flush_input_to_zero.  Most of it should work sanely, but there's
-   nothing to compare with.  */
-void helper_ieee_input_s(CPUAlphaState *env, uint64_t val)
-{
-    if (unlikely(2 * val - 1 < 0x1fffffffffffffull)
-        && !env->fp_status.flush_inputs_to_zero) {
-        arith_excp(env, GETPC(), EXC_M_INV | EXC_M_SWC, 0);
-    }
-}
-
-/* S floating (single) */
-
-/* Taken from linux/arch/alpha/kernel/traps.c, s_mem_to_reg.  */
-static inline uint64_t float32_to_s_int(uint32_t fi)
-{
-    uint32_t frac = fi & 0x7fffff;
-    uint32_t sign = fi >> 31;
-    uint32_t exp_msb = (fi >> 30) & 1;
-    uint32_t exp_low = (fi >> 23) & 0x7f;
-    uint32_t exp;
-
-    exp = (exp_msb << 10) | exp_low;
-    if (exp_msb) {
-        if (exp_low == 0x7f) {
-            exp = 0x7ff;
-        }
-    } else {
-        if (exp_low != 0x00) {
-            exp |= 0x380;
-        }
-    }
-
-    return (((uint64_t)sign << 63)
-            | ((uint64_t)exp << 52)
-            | ((uint64_t)frac << 29));
-}
-
-static inline uint64_t float32_to_s(float32 fa)
-{
-    CPU_FloatU a;
-    a.f = fa;
-    return float32_to_s_int(a.l);
-}
-
-static inline uint32_t s_to_float32_int(uint64_t a)
-{
-    return ((a >> 32) & 0xc0000000) | ((a >> 29) & 0x3fffffff);
-}
-
-static inline float32 s_to_float32(uint64_t a)
-{
-    CPU_FloatU r;
-    r.l = s_to_float32_int(a);
-    return r.f;
-}
-
-uint32_t helper_s_to_memory(uint64_t a)
-{
-    return s_to_float32_int(a);
-}
-
-uint64_t helper_memory_to_s(uint32_t a)
-{
-    return float32_to_s_int(a);
-}
-
-uint64_t helper_adds(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float32 fa, fb, fr;
-
-    fa = s_to_float32(a);
-    fb = s_to_float32(b);
-    fr = float32_add(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-uint64_t helper_subs(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float32 fa, fb, fr;
-
-    fa = s_to_float32(a);
-    fb = s_to_float32(b);
-    fr = float32_sub(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-uint64_t helper_muls(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float32 fa, fb, fr;
-
-    fa = s_to_float32(a);
-    fb = s_to_float32(b);
-    fr = float32_mul(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-uint64_t helper_divs(CPUAlphaState *env, 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);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-uint64_t helper_sqrts(CPUAlphaState *env, uint64_t a)
-{
-    float32 fa, fr;
-
-    fa = s_to_float32(a);
-    fr = float32_sqrt(fa, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-
-/* T floating (double) */
-static 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 inline uint64_t float64_to_t(float64 fa)
-{
-    /* Memory format is the same as float64 */
-    CPU_DoubleU r;
-    r.d = fa;
-    return r.ll;
-}
-
-uint64_t helper_addt(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb, fr;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-    fr = float64_add(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float64_to_t(fr);
-}
-
-uint64_t helper_subt(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb, fr;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-    fr = float64_sub(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float64_to_t(fr);
-}
-
-uint64_t helper_mult(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb, fr;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-    fr = float64_mul(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float64_to_t(fr);
-}
-
-uint64_t helper_divt(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb, fr;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-    fr = float64_div(fa, fb, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float64_to_t(fr);
-}
-
-uint64_t helper_sqrtt(CPUAlphaState *env, uint64_t a)
-{
-    float64 fa, fr;
-
-    fa = t_to_float64(a);
-    fr = float64_sqrt(fa, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float64_to_t(fr);
-}
-
-/* Comparisons */
-uint64_t helper_cmptun(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb;
-    uint64_t ret = 0;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-
-    if (float64_unordered_quiet(fa, fb, &FP_STATUS)) {
-        ret = 0x4000000000000000ULL;
-    }
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return ret;
-}
-
-uint64_t helper_cmpteq(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb;
-    uint64_t ret = 0;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-
-    if (float64_eq_quiet(fa, fb, &FP_STATUS)) {
-        ret = 0x4000000000000000ULL;
-    }
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return ret;
-}
-
-uint64_t helper_cmptle(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb;
-    uint64_t ret = 0;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-
-    if (float64_le(fa, fb, &FP_STATUS)) {
-        ret = 0x4000000000000000ULL;
-    }
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return ret;
-}
-
-uint64_t helper_cmptlt(CPUAlphaState *env, uint64_t a, uint64_t b)
-{
-    float64 fa, fb;
-    uint64_t ret = 0;
-
-    fa = t_to_float64(a);
-    fb = t_to_float64(b);
-
-    if (float64_lt(fa, fb, &FP_STATUS)) {
-        ret = 0x4000000000000000ULL;
-    }
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return ret;
-}
-
-/* Floating point format conversion */
-uint64_t helper_cvtts(CPUAlphaState *env, uint64_t a)
-{
-    float64 fa;
-    float32 fr;
-
-    fa = t_to_float64(a);
-    fr = float64_to_float32(fa, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-uint64_t helper_cvtst(CPUAlphaState *env, uint64_t a)
-{
-    float32 fa;
-    float64 fr;
-
-    fa = s_to_float32(a);
-    fr = float32_to_float64(fa, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float64_to_t(fr);
-}
-
-uint64_t helper_cvtqs(CPUAlphaState *env, uint64_t a)
-{
-    float32 fr = int64_to_float32(a, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-
-    return float32_to_s(fr);
-}
-
-/* Implement float64 to uint64_t conversion without saturation -- we must
-   supply the truncated result.  This behaviour is used by the compiler
-   to get unsigned conversion for free with the same instruction.  */
-
-static uint64_t do_cvttq(CPUAlphaState *env, uint64_t a, int roundmode)
-{
-    uint64_t frac, ret = 0;
-    uint32_t exp, sign, exc = 0;
-    int shift;
-
-    sign = (a >> 63);
-    exp = (uint32_t)(a >> 52) & 0x7ff;
-    frac = a & 0xfffffffffffffull;
-
-    if (exp == 0) {
-        if (unlikely(frac != 0) && !env->fp_status.flush_inputs_to_zero) {
-            goto do_underflow;
-        }
-    } else if (exp == 0x7ff) {
-        exc = FPCR_INV;
-    } else {
-        /* Restore implicit bit.  */
-        frac |= 0x10000000000000ull;
-
-        shift = exp - 1023 - 52;
-        if (shift >= 0) {
-            /* In this case the number is so large that we must shift
-               the fraction left.  There is no rounding to do.  */
-            if (shift < 64) {
-                ret = frac << shift;
-            }
-            /* Check for overflow.  Note the special case of -0x1p63.  */
-            if (shift >= 11 && a != 0xC3E0000000000000ull) {
-                exc = FPCR_IOV | FPCR_INE;
-            }
-        } else {
-            uint64_t round;
-
-            /* In this case the number is smaller than the fraction as
-               represented by the 52 bit number.  Here we must think
-               about rounding the result.  Handle this by shifting the
-               fractional part of the number into the high bits of ROUND.
-               This will let us efficiently handle round-to-nearest.  */
-            shift = -shift;
-            if (shift < 63) {
-                ret = frac >> shift;
-                round = frac << (64 - shift);
-            } else {
-                /* The exponent is so small we shift out everything.
-                   Leave a sticky bit for proper rounding below.  */
-            do_underflow:
-                round = 1;
-            }
-
-            if (round) {
-                exc = FPCR_INE;
-                switch (roundmode) {
-                case float_round_nearest_even:
-                    if (round == (1ull << 63)) {
-                        /* Fraction is exactly 0.5; round to even.  */
-                        ret += (ret & 1);
-                    } else if (round > (1ull << 63)) {
-                        ret += 1;
-                    }
-                    break;
-                case float_round_to_zero:
-                    break;
-                case float_round_up:
-                    ret += 1 - sign;
-                    break;
-                case float_round_down:
-                    ret += sign;
-                    break;
-                }
-            }
-        }
-        if (sign) {
-            ret = -ret;
-        }
-    }
-    env->error_code = exc;
-
-    return ret;
-}
-
-uint64_t helper_cvttq(CPUAlphaState *env, uint64_t a)
-{
-    return do_cvttq(env, a, FP_STATUS.float_rounding_mode);
-}
-
-uint64_t helper_cvttq_c(CPUAlphaState *env, uint64_t a)
-{
-    return do_cvttq(env, a, float_round_to_zero);
-}
-
-uint64_t helper_cvtqt(CPUAlphaState *env, uint64_t a)
-{
-    float64 fr = int64_to_float64(a, &FP_STATUS);
-    env->error_code = soft_to_fpcr_exc(env);
-    return float64_to_t(fr);
-}
-
-uint64_t helper_cvtql(CPUAlphaState *env, uint64_t val)
-{
-    uint32_t exc = 0;
-    if (val != (int32_t)val) {
-        exc = FPCR_IOV | FPCR_INE;
-    }
-    env->error_code = exc;
-
-    return ((val & 0xc0000000) << 32) | ((val & 0x3fffffff) << 29);
-}