#endif
env->exception_index = exception;
env->error_code = error_code;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
void helper_raise_exception (uint32_t exception)
return cpu_ppc_load_atbu(env);
}
+#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
+target_ulong helper_load_purr (void)
+{
+ return (target_ulong)cpu_ppc_load_purr(env);
+}
+#endif
+
target_ulong helper_load_601_rtcl (void)
{
return cpu_ppc601_load_rtcl(env);
void helper_icbi(target_ulong addr)
{
- uint32_t tmp;
-
addr &= ~(env->dcache_line_size - 1);
/* Invalidate one cache line :
* PowerPC specification says this is to be treated like a load
* (not a fetch) by the MMU. To be sure it will be so,
* do the load "by hand".
*/
- tmp = ldl(addr);
- tb_invalidate_page_range(addr, addr + env->icache_line_size);
+ ldl(addr);
}
// XXX: to be tested
}
#endif
+#if defined(TARGET_PPC64)
+target_ulong helper_popcntb (target_ulong val)
+{
+ val = (val & 0x5555555555555555ULL) + ((val >> 1) &
+ 0x5555555555555555ULL);
+ val = (val & 0x3333333333333333ULL) + ((val >> 2) &
+ 0x3333333333333333ULL);
+ val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) &
+ 0x0f0f0f0f0f0f0f0fULL);
+ return val;
+}
+
+target_ulong helper_popcntw (target_ulong val)
+{
+ val = (val & 0x5555555555555555ULL) + ((val >> 1) &
+ 0x5555555555555555ULL);
+ val = (val & 0x3333333333333333ULL) + ((val >> 2) &
+ 0x3333333333333333ULL);
+ val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) &
+ 0x0f0f0f0f0f0f0f0fULL);
+ val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) &
+ 0x00ff00ff00ff00ffULL);
+ val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) &
+ 0x0000ffff0000ffffULL);
+ return val;
+}
+
+target_ulong helper_popcntd (target_ulong val)
+{
+ return ctpop64(val);
+}
+#else
target_ulong helper_popcntb (target_ulong val)
{
val = (val & 0x55555555) + ((val >> 1) & 0x55555555);
return val;
}
-#if defined(TARGET_PPC64)
-target_ulong helper_popcntb_64 (target_ulong val)
+target_ulong helper_popcntw (target_ulong val)
{
- val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL);
- val = (val & 0x3333333333333333ULL) + ((val >> 2) & 0x3333333333333333ULL);
- val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & 0x0f0f0f0f0f0f0f0fULL);
+ val = (val & 0x55555555) + ((val >> 1) & 0x55555555);
+ val = (val & 0x33333333) + ((val >> 2) & 0x33333333);
+ val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f);
+ val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff);
+ val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff);
return val;
}
#endif
int ret;
farg.ll = arg;
isneg = float64_is_neg(farg.d);
- if (unlikely(float64_is_nan(farg.d))) {
+ if (unlikely(float64_is_any_nan(farg.d))) {
if (float64_is_signaling_nan(farg.d)) {
/* Signaling NaN: flags are undefined */
ret = 0x00;
env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
if (ve == 0) {
/* Set the result to quiet NaN */
- ret = 0xFFF8000000000000ULL;
+ ret = 0x7FF8000000000000ULL;
env->fpscr &= ~(0xF << FPSCR_FPCC);
env->fpscr |= 0x11 << FPSCR_FPCC;
}
env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
if (ve == 0) {
/* Set the result to quiet NaN */
- ret = 0xFFF8000000000000ULL;
+ ret = 0x7FF8000000000000ULL;
env->fpscr &= ~(0xF << FPSCR_FPCC);
env->fpscr |= 0x11 << FPSCR_FPCC;
}
void helper_float_check_status (void)
{
-#ifdef CONFIG_SOFTFLOAT
if (env->exception_index == POWERPC_EXCP_PROGRAM &&
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
float_inexact_excp();
}
}
-#else
- if (env->exception_index == POWERPC_EXCP_PROGRAM &&
- (env->error_code & POWERPC_EXCP_FP)) {
- /* Differred floating-point exception after target FPR update */
- if (msr_fe0 != 0 || msr_fe1 != 0)
- helper_raise_exception_err(env->exception_index, env->error_code);
- }
-#endif
}
-#ifdef CONFIG_SOFTFLOAT
void helper_reset_fpstatus (void)
{
set_float_exception_flags(0, &env->fp_status);
}
-#endif
/* fadd - fadd. */
uint64_t helper_fadd (uint64_t arg1, uint64_t arg2)
farg1.ll = arg1;
farg2.ll = arg2;
-#if USE_PRECISE_EMULATION
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d))) {
- /* sNaN addition */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
- float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) {
+
+ if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
+ float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) {
/* Magnitude subtraction of infinities */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
} else {
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d))) {
+ /* sNaN addition */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
}
-#else
- farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
-#endif
+
return farg1.ll;
}
farg1.ll = arg1;
farg2.ll = arg2;
-#if USE_PRECISE_EMULATION
-{
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d))) {
- /* sNaN subtraction */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
- float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) {
+
+ if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
+ float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) {
/* Magnitude subtraction of infinities */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
} else {
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d))) {
+ /* sNaN subtraction */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
}
-}
-#else
- farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
-#endif
+
return farg1.ll;
}
farg1.ll = arg1;
farg2.ll = arg2;
-#if USE_PRECISE_EMULATION
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d))) {
- /* sNaN multiplication */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
- (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
+
+ if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
+ (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
/* Multiplication of zero by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d))) {
+ /* sNaN multiplication */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
}
-#else
- farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
-#endif
+
return farg1.ll;
}
farg1.ll = arg1;
farg2.ll = arg2;
-#if USE_PRECISE_EMULATION
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d))) {
- /* sNaN division */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d))) {
+
+ if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d))) {
/* Division of infinity by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI);
} else if (unlikely(float64_is_zero(farg1.d) && float64_is_zero(farg2.d))) {
/* Division of zero by zero */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ);
} else {
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d))) {
+ /* sNaN division */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
}
-#else
- farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
-#endif
+
return farg1.ll;
}
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
- } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
+ } else if (unlikely(float64_is_quiet_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
farg.ll = float64_to_int32(farg.d, &env->fp_status);
-#if USE_PRECISE_EMULATION
/* XXX: higher bits are not supposed to be significant.
* to make tests easier, return the same as a real PowerPC 750
*/
farg.ll |= 0xFFF80000ULL << 32;
-#endif
}
return farg.ll;
}
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
- } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
+ } else if (unlikely(float64_is_quiet_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
farg.ll = float64_to_int32_round_to_zero(farg.d, &env->fp_status);
-#if USE_PRECISE_EMULATION
/* XXX: higher bits are not supposed to be significant.
* to make tests easier, return the same as a real PowerPC 750
*/
farg.ll |= 0xFFF80000ULL << 32;
-#endif
}
return farg.ll;
}
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
- } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
+ } else if (unlikely(float64_is_quiet_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
- } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
+ } else if (unlikely(float64_is_quiet_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN round */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
- } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
+ } else if (unlikely(float64_is_quiet_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity round */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
farg1.ll = arg1;
farg2.ll = arg2;
farg3.ll = arg3;
-#if USE_PRECISE_EMULATION
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d) ||
- float64_is_signaling_nan(farg3.d))) {
- /* sNaN operation */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
- (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
+
+ if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
+ (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
/* Multiplication of zero by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
-#ifdef FLOAT128
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d) ||
+ float64_is_signaling_nan(farg3.d))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
/* This is the way the PowerPC specification defines it */
float128 ft0_128, ft1_128;
ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
farg1.d = float128_to_float64(ft0_128, &env->fp_status);
}
-#else
- /* This is OK on x86 hosts */
- farg1.d = (farg1.d * farg2.d) + farg3.d;
-#endif
}
-#else
- farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
- farg1.d = float64_add(farg1.d, farg3.d, &env->fp_status);
-#endif
+
return farg1.ll;
}
farg1.ll = arg1;
farg2.ll = arg2;
farg3.ll = arg3;
-#if USE_PRECISE_EMULATION
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d) ||
- float64_is_signaling_nan(farg3.d))) {
- /* sNaN operation */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
+
+ if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
(float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
/* Multiplication of zero by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
-#ifdef FLOAT128
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d) ||
+ float64_is_signaling_nan(farg3.d))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
/* This is the way the PowerPC specification defines it */
float128 ft0_128, ft1_128;
ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
farg1.d = float128_to_float64(ft0_128, &env->fp_status);
}
-#else
- /* This is OK on x86 hosts */
- farg1.d = (farg1.d * farg2.d) - farg3.d;
-#endif
}
-#else
- farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
- farg1.d = float64_sub(farg1.d, farg3.d, &env->fp_status);
-#endif
return farg1.ll;
}
farg2.ll = arg2;
farg3.ll = arg3;
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d) ||
- float64_is_signaling_nan(farg3.d))) {
- /* sNaN operation */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
- (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
+ if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
+ (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
/* Multiplication of zero by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
-#if USE_PRECISE_EMULATION
-#ifdef FLOAT128
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d) ||
+ float64_is_signaling_nan(farg3.d))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
/* This is the way the PowerPC specification defines it */
float128 ft0_128, ft1_128;
ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
farg1.d = float128_to_float64(ft0_128, &env->fp_status);
}
-#else
- /* This is OK on x86 hosts */
- farg1.d = (farg1.d * farg2.d) + farg3.d;
-#endif
-#else
- farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
- farg1.d = float64_add(farg1.d, farg3.d, &env->fp_status);
-#endif
- if (likely(!float64_is_nan(farg1.d)))
+ if (likely(!float64_is_any_nan(farg1.d))) {
farg1.d = float64_chs(farg1.d);
+ }
}
return farg1.ll;
}
farg2.ll = arg2;
farg3.ll = arg3;
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d) ||
- float64_is_signaling_nan(farg3.d))) {
- /* sNaN operation */
- farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
+ if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
(float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
/* Multiplication of zero by infinity */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
-#if USE_PRECISE_EMULATION
-#ifdef FLOAT128
+ if (unlikely(float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d) ||
+ float64_is_signaling_nan(farg3.d))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
/* This is the way the PowerPC specification defines it */
float128 ft0_128, ft1_128;
ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
farg1.d = float128_to_float64(ft0_128, &env->fp_status);
}
-#else
- /* This is OK on x86 hosts */
- farg1.d = (farg1.d * farg2.d) - farg3.d;
-#endif
-#else
- farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
- farg1.d = float64_sub(farg1.d, farg3.d, &env->fp_status);
-#endif
- if (likely(!float64_is_nan(farg1.d)))
+ if (likely(!float64_is_any_nan(farg1.d))) {
farg1.d = float64_chs(farg1.d);
+ }
}
return farg1.ll;
}
float32 f32;
farg.ll = arg;
-#if USE_PRECISE_EMULATION
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN square root */
- farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else {
- f32 = float64_to_float32(farg.d, &env->fp_status);
- farg.d = float32_to_float64(f32, &env->fp_status);
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
}
-#else
f32 = float64_to_float32(farg.d, &env->fp_status);
farg.d = float32_to_float64(f32, &env->fp_status);
-#endif
+
return farg.ll;
}
CPU_DoubleU farg;
farg.ll = arg;
- if (unlikely(float64_is_signaling_nan(farg.d))) {
- /* sNaN square root */
- farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
+ if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
/* Square root of a negative nonzero number */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
} else {
+ if (unlikely(float64_is_signaling_nan(farg.d))) {
+ /* sNaN square root */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
farg.d = float64_sqrt(farg.d, &env->fp_status);
}
return farg.ll;
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal */
- farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else {
- farg.d = float64_div(float64_one, farg.d, &env->fp_status);
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
}
+ farg.d = float64_div(float64_one, farg.d, &env->fp_status);
return farg.d;
}
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal */
- farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else {
- farg.d = float64_div(float64_one, farg.d, &env->fp_status);
- f32 = float64_to_float32(farg.d, &env->fp_status);
- farg.d = float32_to_float64(f32, &env->fp_status);
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
}
+ farg.d = float64_div(float64_one, farg.d, &env->fp_status);
+ f32 = float64_to_float32(farg.d, &env->fp_status);
+ farg.d = float32_to_float64(f32, &env->fp_status);
+
return farg.ll;
}
float32 f32;
farg.ll = arg;
- if (unlikely(float64_is_signaling_nan(farg.d))) {
- /* sNaN reciprocal square root */
- farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
+ if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
/* Reciprocal square root of a negative nonzero number */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
} else {
+ if (unlikely(float64_is_signaling_nan(farg.d))) {
+ /* sNaN reciprocal square root */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
farg.d = float64_sqrt(farg.d, &env->fp_status);
farg.d = float64_div(float64_one, farg.d, &env->fp_status);
f32 = float64_to_float32(farg.d, &env->fp_status);
farg1.ll = arg1;
- if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) && !float64_is_nan(farg1.d))
+ if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) && !float64_is_any_nan(farg1.d)) {
return arg2;
- else
+ } else {
return arg3;
+ }
}
void helper_fcmpu (uint64_t arg1, uint64_t arg2, uint32_t crfD)
farg1.ll = arg1;
farg2.ll = arg2;
- if (unlikely(float64_is_nan(farg1.d) ||
- float64_is_nan(farg2.d))) {
+ if (unlikely(float64_is_any_nan(farg1.d) ||
+ float64_is_any_nan(farg2.d))) {
ret = 0x01UL;
} else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
ret = 0x08UL;
farg1.ll = arg1;
farg2.ll = arg2;
- if (unlikely(float64_is_nan(farg1.d) ||
- float64_is_nan(farg2.d))) {
+ if (unlikely(float64_is_any_nan(farg1.d) ||
+ float64_is_any_nan(farg2.d))) {
ret = 0x01UL;
} else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
ret = 0x08UL;
/* If X is a NaN, store the corresponding QNaN into RESULT. Otherwise,
* execute the following block. */
#define DO_HANDLE_NAN(result, x) \
- if (float32_is_nan(x) || float32_is_signaling_nan(x)) { \
+ if (float32_is_any_nan(x)) { \
CPU_FloatU __f; \
__f.f = x; \
__f.l = __f.l | (1 << 22); /* Set QNaN bit. */ \
DO_HANDLE_NAN(result, x) DO_HANDLE_NAN(result, y) DO_HANDLE_NAN(result, z)
/* Saturating arithmetic helpers. */
-#define SATCVT(from, to, from_type, to_type, min, max, use_min, use_max) \
+#define SATCVT(from, to, from_type, to_type, min, max) \
static inline to_type cvt##from##to(from_type x, int *sat) \
{ \
to_type r; \
- if (use_min && x < min) { \
+ if (x < (from_type)min) { \
r = min; \
*sat = 1; \
- } else if (use_max && x > max) { \
+ } else if (x > (from_type)max) { \
r = max; \
*sat = 1; \
} else { \
} \
return r; \
}
-SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX, 1, 1)
-SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX, 1, 1)
-SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX, 1, 1)
-
-/* Work around gcc problems with the macro version */
-static inline uint8_t cvtuhub(uint16_t x, int *sat)
-{
- uint8_t r;
-
- if (x > UINT8_MAX) {
- r = UINT8_MAX;
- *sat = 1;
- } else {
- r = x;
+#define SATCVTU(from, to, from_type, to_type, min, max) \
+ static inline to_type cvt##from##to(from_type x, int *sat) \
+ { \
+ to_type r; \
+ if (x > (from_type)max) { \
+ r = max; \
+ *sat = 1; \
+ } else { \
+ r = x; \
+ } \
+ return r; \
}
- return r;
-}
-//SATCVT(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX, 0, 1)
-SATCVT(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX, 0, 1)
-SATCVT(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX, 0, 1)
-SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX, 1, 1)
-SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX, 1, 1)
-SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX, 1, 1)
+SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX)
+SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX)
+SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX)
+
+SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX)
+SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX)
+SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX)
+SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX)
+SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX)
+SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX)
#undef SATCVT
+#undef SATCVTU
#define LVE(name, access, swap, element) \
void helper_##name (ppc_avr_t *r, target_ulong addr) \
float_status s = env->vec_status; \
set_float_rounding_mode(float_round_to_zero, &s); \
for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
- if (float32_is_nan(b->f[i]) || \
- float32_is_signaling_nan(b->f[i])) { \
+ if (float32_is_any_nan(b->f[i])) { \
r->element[i] = 0; \
} else { \
float64 t = float32_to_float64(b->f[i], &s); \
r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);
}
+void helper_vexptefp (ppc_avr_t *r, ppc_avr_t *b)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) {
+ HANDLE_NAN1(r->f[i], b->f[i]) {
+ r->f[i] = float32_exp2(b->f[i], &env->vec_status);
+ }
+ }
+}
+
void helper_vlogefp (ppc_avr_t *r, ppc_avr_t *b)
{
int i;
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float32_is_nan(u.f)))
+ if (unlikely(float32_is_quiet_nan(u.f)))
return 0;
return float32_to_int32(u.f, &env->vec_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float32_is_nan(u.f)))
+ if (unlikely(float32_is_quiet_nan(u.f)))
return 0;
return float32_to_uint32(u.f, &env->vec_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float32_is_nan(u.f)))
+ if (unlikely(float32_is_quiet_nan(u.f)))
return 0;
return float32_to_int32_round_to_zero(u.f, &env->vec_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float32_is_nan(u.f)))
+ if (unlikely(float32_is_quiet_nan(u.f)))
return 0;
return float32_to_uint32_round_to_zero(u.f, &env->vec_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float32_is_nan(u.f)))
+ if (unlikely(float32_is_quiet_nan(u.f)))
return 0;
tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
u.f = float32_mul(u.f, tmp, &env->vec_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float32_is_nan(u.f)))
+ if (unlikely(float32_is_quiet_nan(u.f)))
return 0;
tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
u.f = float32_mul(u.f, tmp, &env->vec_status);
HELPER_SPE_VECTOR_ARITH(fsdiv);
/* Single-precision floating-point comparisons */
-static inline uint32_t efststlt(uint32_t op1, uint32_t op2)
+static inline uint32_t efscmplt(uint32_t op1, uint32_t op2)
{
CPU_FloatU u1, u2;
u1.l = op1;
return float32_lt(u1.f, u2.f, &env->vec_status) ? 4 : 0;
}
-static inline uint32_t efststgt(uint32_t op1, uint32_t op2)
+static inline uint32_t efscmpgt(uint32_t op1, uint32_t op2)
{
CPU_FloatU u1, u2;
u1.l = op1;
return float32_le(u1.f, u2.f, &env->vec_status) ? 0 : 4;
}
-static inline uint32_t efststeq(uint32_t op1, uint32_t op2)
+static inline uint32_t efscmpeq(uint32_t op1, uint32_t op2)
{
CPU_FloatU u1, u2;
u1.l = op1;
return float32_eq(u1.f, u2.f, &env->vec_status) ? 4 : 0;
}
-static inline uint32_t efscmplt(uint32_t op1, uint32_t op2)
+static inline uint32_t efststlt(uint32_t op1, uint32_t op2)
{
- /* XXX: TODO: test special values (NaN, infinites, ...) */
- return efststlt(op1, op2);
+ /* XXX: TODO: ignore special values (NaN, infinites, ...) */
+ return efscmplt(op1, op2);
}
-static inline uint32_t efscmpgt(uint32_t op1, uint32_t op2)
+static inline uint32_t efststgt(uint32_t op1, uint32_t op2)
{
- /* XXX: TODO: test special values (NaN, infinites, ...) */
- return efststgt(op1, op2);
+ /* XXX: TODO: ignore special values (NaN, infinites, ...) */
+ return efscmpgt(op1, op2);
}
-static inline uint32_t efscmpeq(uint32_t op1, uint32_t op2)
+static inline uint32_t efststeq(uint32_t op1, uint32_t op2)
{
- /* XXX: TODO: test special values (NaN, infinites, ...) */
- return efststeq(op1, op2);
+ /* XXX: TODO: ignore special values (NaN, infinites, ...) */
+ return efscmpeq(op1, op2);
}
#define HELPER_SINGLE_SPE_CMP(name) \
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
return float64_to_int32(u.d, &env->vec_status);
}
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
return float64_to_uint32(u.d, &env->vec_status);
}
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
return float64_to_int32_round_to_zero(u.d, &env->vec_status);
}
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
return float64_to_int64_round_to_zero(u.d, &env->vec_status);
}
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
return float64_to_uint32_round_to_zero(u.d, &env->vec_status);
}
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
return float64_to_uint64_round_to_zero(u.d, &env->vec_status);
}
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
tmp = uint64_to_float64(1ULL << 32, &env->vec_status);
u.d = float64_mul(u.d, tmp, &env->vec_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(float64_is_nan(u.d)))
+ if (unlikely(float64_is_any_nan(u.d))) {
return 0;
+ }
tmp = uint64_to_float64(1ULL << 32, &env->vec_status);
u.d = float64_mul(u.d, tmp, &env->vec_status);
CPU_DoubleU u1, u2;
u1.ll = op1;
u2.ll = op2;
- return float64_eq(u1.d, u2.d, &env->vec_status) ? 4 : 0;
+ return float64_eq_quiet(u1.d, u2.d, &env->vec_status) ? 4 : 0;
}
uint32_t helper_efdcmplt (uint64_t op1, uint64_t op2)
if (likely(tb)) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
- cpu_restore_state(tb, env, pc, NULL);
+ cpu_restore_state(tb, env, pc);
}
}
helper_raise_exception_err(env->exception_index, env->error_code);
/* SLB management */
#if defined(TARGET_PPC64)
-target_ulong helper_load_slb (target_ulong slb_nr)
+void helper_store_slb (target_ulong rb, target_ulong rs)
{
- return ppc_load_slb(env, slb_nr);
+ if (ppc_store_slb(env, rb, rs) < 0) {
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL);
+ }
}
-void helper_store_slb (target_ulong rb, target_ulong rs)
+target_ulong helper_load_slb_esid (target_ulong rb)
{
- ppc_store_slb(env, rb, rs);
+ target_ulong rt;
+
+ if (ppc_load_slb_esid(env, rb, &rt) < 0) {
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL);
+ }
+ return rt;
+}
+
+target_ulong helper_load_slb_vsid (target_ulong rb)
+{
+ target_ulong rt;
+
+ if (ppc_load_slb_vsid(env, rb, &rt) < 0) {
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL);
+ }
+ return rt;
}
void helper_slbia (void)
EPN = env->spr[SPR_DMISS];
}
way = (env->spr[SPR_SRR1] >> 17) & 1;
+ (void)EPN; /* avoid a compiler warning */
LOG_SWTLB("%s: EPN " TARGET_FMT_lx " " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx
" PTE1 " TARGET_FMT_lx " way %d\n", __func__, new_EPN, EPN, CMP,
RPN, way);
CMP = env->spr[SPR_PTEHI];
EPN = env->spr[SPR_TLBMISS] & ~0x3;
way = env->spr[SPR_TLBMISS] & 0x3;
+ (void)EPN; /* avoid a compiler warning */
LOG_SWTLB("%s: EPN " TARGET_FMT_lx " " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx
" PTE1 " TARGET_FMT_lx " way %d\n", __func__, new_EPN, EPN, CMP,
RPN, way);
}
/* Helpers for 4xx TLB management */
-target_ulong helper_4xx_tlbre_lo (target_ulong entry)
+#define PPC4XX_TLB_ENTRY_MASK 0x0000003f /* Mask for 64 TLB entries */
+
+#define PPC4XX_TLBHI_V 0x00000040
+#define PPC4XX_TLBHI_E 0x00000020
+#define PPC4XX_TLBHI_SIZE_MIN 0
+#define PPC4XX_TLBHI_SIZE_MAX 7
+#define PPC4XX_TLBHI_SIZE_DEFAULT 1
+#define PPC4XX_TLBHI_SIZE_SHIFT 7
+#define PPC4XX_TLBHI_SIZE_MASK 0x00000007
+
+#define PPC4XX_TLBLO_EX 0x00000200
+#define PPC4XX_TLBLO_WR 0x00000100
+#define PPC4XX_TLBLO_ATTR_MASK 0x000000FF
+#define PPC4XX_TLBLO_RPN_MASK 0xFFFFFC00
+
+target_ulong helper_4xx_tlbre_hi (target_ulong entry)
{
ppcemb_tlb_t *tlb;
target_ulong ret;
int size;
- entry &= 0x3F;
- tlb = &env->tlb[entry].tlbe;
+ entry &= PPC4XX_TLB_ENTRY_MASK;
+ tlb = &env->tlb.tlbe[entry];
ret = tlb->EPN;
- if (tlb->prot & PAGE_VALID)
- ret |= 0x400;
+ if (tlb->prot & PAGE_VALID) {
+ ret |= PPC4XX_TLBHI_V;
+ }
size = booke_page_size_to_tlb(tlb->size);
- if (size < 0 || size > 0x7)
- size = 1;
- ret |= size << 7;
+ if (size < PPC4XX_TLBHI_SIZE_MIN || size > PPC4XX_TLBHI_SIZE_MAX) {
+ size = PPC4XX_TLBHI_SIZE_DEFAULT;
+ }
+ ret |= size << PPC4XX_TLBHI_SIZE_SHIFT;
env->spr[SPR_40x_PID] = tlb->PID;
return ret;
}
-target_ulong helper_4xx_tlbre_hi (target_ulong entry)
+target_ulong helper_4xx_tlbre_lo (target_ulong entry)
{
ppcemb_tlb_t *tlb;
target_ulong ret;
- entry &= 0x3F;
- tlb = &env->tlb[entry].tlbe;
+ entry &= PPC4XX_TLB_ENTRY_MASK;
+ tlb = &env->tlb.tlbe[entry];
ret = tlb->RPN;
- if (tlb->prot & PAGE_EXEC)
- ret |= 0x200;
- if (tlb->prot & PAGE_WRITE)
- ret |= 0x100;
+ if (tlb->prot & PAGE_EXEC) {
+ ret |= PPC4XX_TLBLO_EX;
+ }
+ if (tlb->prot & PAGE_WRITE) {
+ ret |= PPC4XX_TLBLO_WR;
+ }
return ret;
}
LOG_SWTLB("%s entry %d val " TARGET_FMT_lx "\n", __func__, (int)entry,
val);
- entry &= 0x3F;
- tlb = &env->tlb[entry].tlbe;
+ entry &= PPC4XX_TLB_ENTRY_MASK;
+ tlb = &env->tlb.tlbe[entry];
/* Invalidate previous TLB (if it's valid) */
if (tlb->prot & PAGE_VALID) {
end = tlb->EPN + tlb->size;
LOG_SWTLB("%s: invalidate old TLB %d start " TARGET_FMT_lx " end "
TARGET_FMT_lx "\n", __func__, (int)entry, tlb->EPN, end);
- for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
+ for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) {
tlb_flush_page(env, page);
+ }
}
- tlb->size = booke_tlb_to_page_size((val >> 7) & 0x7);
+ tlb->size = booke_tlb_to_page_size((val >> PPC4XX_TLBHI_SIZE_SHIFT)
+ & PPC4XX_TLBHI_SIZE_MASK);
/* We cannot handle TLB size < TARGET_PAGE_SIZE.
* If this ever occurs, one should use the ppcemb target instead
* of the ppc or ppc64 one
*/
- if ((val & 0x40) && tlb->size < TARGET_PAGE_SIZE) {
+ if ((val & PPC4XX_TLBHI_V) && tlb->size < TARGET_PAGE_SIZE) {
cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u "
"are not supported (%d)\n",
tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7));
}
tlb->EPN = val & ~(tlb->size - 1);
- if (val & 0x40) {
+ if (val & PPC4XX_TLBHI_V) {
tlb->prot |= PAGE_VALID;
- if (val & 0x20) {
+ if (val & PPC4XX_TLBHI_E) {
/* XXX: TO BE FIXED */
cpu_abort(env,
"Little-endian TLB entries are not supported by now\n");
end = tlb->EPN + tlb->size;
LOG_SWTLB("%s: invalidate TLB %d start " TARGET_FMT_lx " end "
TARGET_FMT_lx "\n", __func__, (int)entry, tlb->EPN, end);
- for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
+ for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) {
tlb_flush_page(env, page);
+ }
}
}
LOG_SWTLB("%s entry %i val " TARGET_FMT_lx "\n", __func__, (int)entry,
val);
- entry &= 0x3F;
- tlb = &env->tlb[entry].tlbe;
- tlb->attr = val & 0xFF;
- tlb->RPN = val & 0xFFFFFC00;
+ entry &= PPC4XX_TLB_ENTRY_MASK;
+ tlb = &env->tlb.tlbe[entry];
+ tlb->attr = val & PPC4XX_TLBLO_ATTR_MASK;
+ tlb->RPN = val & PPC4XX_TLBLO_RPN_MASK;
tlb->prot = PAGE_READ;
- if (val & 0x200)
+ if (val & PPC4XX_TLBLO_EX) {
tlb->prot |= PAGE_EXEC;
- if (val & 0x100)
+ }
+ if (val & PPC4XX_TLBLO_WR) {
tlb->prot |= PAGE_WRITE;
+ }
LOG_SWTLB("%s: set up TLB %d RPN " TARGET_FMT_plx " EPN " TARGET_FMT_lx
" size " TARGET_FMT_lx " prot %c%c%c%c PID %d\n", __func__,
(int)entry, tlb->RPN, tlb->EPN, tlb->size,
__func__, word, (int)entry, value);
do_flush_tlbs = 0;
entry &= 0x3F;
- tlb = &env->tlb[entry].tlbe;
+ tlb = &env->tlb.tlbe[entry];
switch (word) {
default:
/* Just here to please gcc */
int size;
entry &= 0x3F;
- tlb = &env->tlb[entry].tlbe;
+ tlb = &env->tlb.tlbe[entry];
switch (word) {
default:
/* Just here to please gcc */
return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF);
}
+/* PowerPC BookE 2.06 TLB management */
+
+static ppcmas_tlb_t *booke206_cur_tlb(CPUState *env)
+{
+ uint32_t tlbncfg = 0;
+ int esel = (env->spr[SPR_BOOKE_MAS0] & MAS0_ESEL_MASK) >> MAS0_ESEL_SHIFT;
+ int ea = (env->spr[SPR_BOOKE_MAS2] & MAS2_EPN_MASK);
+ int tlb;
+
+ tlb = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT;
+ tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlb];
+
+ if ((tlbncfg & TLBnCFG_HES) && (env->spr[SPR_BOOKE_MAS0] & MAS0_HES)) {
+ cpu_abort(env, "we don't support HES yet\n");
+ }
+
+ return booke206_get_tlbm(env, tlb, ea, esel);
+}
+
+void helper_booke_setpid(uint32_t pidn, target_ulong pid)
+{
+ env->spr[pidn] = pid;
+ /* changing PIDs mean we're in a different address space now */
+ tlb_flush(env, 1);
+}
+
+void helper_booke206_tlbwe(void)
+{
+ uint32_t tlbncfg, tlbn;
+ ppcmas_tlb_t *tlb;
+
+ switch (env->spr[SPR_BOOKE_MAS0] & MAS0_WQ_MASK) {
+ case MAS0_WQ_ALWAYS:
+ /* good to go, write that entry */
+ break;
+ case MAS0_WQ_COND:
+ /* XXX check if reserved */
+ if (0) {
+ return;
+ }
+ break;
+ case MAS0_WQ_CLR_RSRV:
+ /* XXX clear entry */
+ return;
+ default:
+ /* no idea what to do */
+ return;
+ }
+
+ if (((env->spr[SPR_BOOKE_MAS0] & MAS0_ATSEL) == MAS0_ATSEL_LRAT) &&
+ !msr_gs) {
+ /* XXX we don't support direct LRAT setting yet */
+ fprintf(stderr, "cpu: don't support LRAT setting yet\n");
+ return;
+ }
+
+ tlbn = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT;
+ tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
+
+ tlb = booke206_cur_tlb(env);
+
+ if (msr_gs) {
+ cpu_abort(env, "missing HV implementation\n");
+ }
+ tlb->mas7_3 = ((uint64_t)env->spr[SPR_BOOKE_MAS7] << 32) |
+ env->spr[SPR_BOOKE_MAS3];
+ tlb->mas1 = env->spr[SPR_BOOKE_MAS1];
+ /* XXX needs to change when supporting 64-bit e500 */
+ tlb->mas2 = env->spr[SPR_BOOKE_MAS2] & 0xffffffff;
+
+ if (!(tlbncfg & TLBnCFG_IPROT)) {
+ /* no IPROT supported by TLB */
+ tlb->mas1 &= ~MAS1_IPROT;
+ }
+
+ if (booke206_tlb_to_page_size(env, tlb) == TARGET_PAGE_SIZE) {
+ tlb_flush_page(env, tlb->mas2 & MAS2_EPN_MASK);
+ } else {
+ tlb_flush(env, 1);
+ }
+}
+
+static inline void booke206_tlb_to_mas(CPUState *env, ppcmas_tlb_t *tlb)
+{
+ int tlbn = booke206_tlbm_to_tlbn(env, tlb);
+ int way = booke206_tlbm_to_way(env, tlb);
+
+ env->spr[SPR_BOOKE_MAS0] = tlbn << MAS0_TLBSEL_SHIFT;
+ env->spr[SPR_BOOKE_MAS0] |= way << MAS0_ESEL_SHIFT;
+ env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
+
+ env->spr[SPR_BOOKE_MAS1] = tlb->mas1;
+ env->spr[SPR_BOOKE_MAS2] = tlb->mas2;
+ env->spr[SPR_BOOKE_MAS3] = tlb->mas7_3;
+ env->spr[SPR_BOOKE_MAS7] = tlb->mas7_3 >> 32;
+}
+
+void helper_booke206_tlbre(void)
+{
+ ppcmas_tlb_t *tlb = NULL;
+
+ tlb = booke206_cur_tlb(env);
+ booke206_tlb_to_mas(env, tlb);
+}
+
+void helper_booke206_tlbsx(target_ulong address)
+{
+ ppcmas_tlb_t *tlb = NULL;
+ int i, j;
+ target_phys_addr_t raddr;
+ uint32_t spid, sas;
+
+ spid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID_MASK) >> MAS6_SPID_SHIFT;
+ sas = env->spr[SPR_BOOKE_MAS6] & MAS6_SAS;
+
+ for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
+ int ways = booke206_tlb_ways(env, i);
+
+ for (j = 0; j < ways; j++) {
+ tlb = booke206_get_tlbm(env, i, address, j);
+
+ if (ppcmas_tlb_check(env, tlb, &raddr, address, spid)) {
+ continue;
+ }
+
+ if (sas != ((tlb->mas1 & MAS1_TS) >> MAS1_TS_SHIFT)) {
+ continue;
+ }
+
+ booke206_tlb_to_mas(env, tlb);
+ return;
+ }
+ }
+
+ /* no entry found, fill with defaults */
+ env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
+ env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
+ env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK;
+ env->spr[SPR_BOOKE_MAS3] = 0;
+ env->spr[SPR_BOOKE_MAS7] = 0;
+
+ if (env->spr[SPR_BOOKE_MAS6] & MAS6_SAS) {
+ env->spr[SPR_BOOKE_MAS1] |= MAS1_TS;
+ }
+
+ env->spr[SPR_BOOKE_MAS1] |= (env->spr[SPR_BOOKE_MAS6] >> 16)
+ << MAS1_TID_SHIFT;
+
+ /* next victim logic */
+ env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT;
+ env->last_way++;
+ env->last_way &= booke206_tlb_ways(env, 0) - 1;
+ env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
+}
+
+static inline void booke206_invalidate_ea_tlb(CPUState *env, int tlbn,
+ uint32_t ea)
+{
+ int i;
+ int ways = booke206_tlb_ways(env, tlbn);
+ target_ulong mask;
+
+ for (i = 0; i < ways; i++) {
+ ppcmas_tlb_t *tlb = booke206_get_tlbm(env, tlbn, ea, i);
+ mask = ~(booke206_tlb_to_page_size(env, tlb) - 1);
+ if (((tlb->mas2 & MAS2_EPN_MASK) == (ea & mask)) &&
+ !(tlb->mas1 & MAS1_IPROT)) {
+ tlb->mas1 &= ~MAS1_VALID;
+ }
+ }
+}
+
+void helper_booke206_tlbivax(target_ulong address)
+{
+ if (address & 0x4) {
+ /* flush all entries */
+ if (address & 0x8) {
+ /* flush all of TLB1 */
+ booke206_flush_tlb(env, BOOKE206_FLUSH_TLB1, 1);
+ } else {
+ /* flush all of TLB0 */
+ booke206_flush_tlb(env, BOOKE206_FLUSH_TLB0, 0);
+ }
+ return;
+ }
+
+ if (address & 0x8) {
+ /* flush TLB1 entries */
+ booke206_invalidate_ea_tlb(env, 1, address);
+ tlb_flush(env, 1);
+ } else {
+ /* flush TLB0 entries */
+ booke206_invalidate_ea_tlb(env, 0, address);
+ tlb_flush_page(env, address & MAS2_EPN_MASK);
+ }
+}
+
+void helper_booke206_tlbflush(uint32_t type)
+{
+ int flags = 0;
+
+ if (type & 2) {
+ flags |= BOOKE206_FLUSH_TLB1;
+ }
+
+ if (type & 4) {
+ flags |= BOOKE206_FLUSH_TLB0;
+ }
+
+ booke206_flush_tlb(env, flags, 1);
+}
+
#endif /* !CONFIG_USER_ONLY */
projects / qemu.git / blobdiff