/*
* PowerPC emulation helpers for qemu.
- *
+ *
* Copyright (c) 2003-2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "exec.h"
+#include "host-utils.h"
+#include "helper_regs.h"
#include "op_helper.h"
#define MEMSUFFIX _raw
#define MEMSUFFIX _kernel
#include "op_helper.h"
#include "op_helper_mem.h"
+#if defined(TARGET_PPC64H)
+#define MEMSUFFIX _hypv
+#include "op_helper.h"
+#include "op_helper_mem.h"
+#endif
#endif
//#define DEBUG_OP
//#define DEBUG_EXCEPTIONS
//#define DEBUG_SOFTWARE_TLB
-//#define FLUSH_ALL_TLBS
/*****************************************************************************/
/* Exceptions processing helpers */
-void cpu_loop_exit (void)
-{
- longjmp(env->jmp_env, 1);
-}
void do_raise_exception_err (uint32_t exception, int error_code)
{
#if 0
printf("Raise exception %3x code : %d\n", exception, error_code);
#endif
- switch (exception) {
- case EXCP_PROGRAM:
- if (error_code == EXCP_FP && msr_fe0 == 0 && msr_fe1 == 0)
- return;
- break;
- default:
- break;
- }
env->exception_index = exception;
env->error_code = error_code;
cpu_loop_exit();
{
int i, sh;
- for (i = 0, sh = 7; i < 8; i++, sh --) {
+ for (i = 0, sh = 7; i < 8; i++, sh--) {
if (mask & (1 << sh))
env->crf[i] = (T0 >> (sh * 4)) & 0xFUL;
}
}
-void do_load_xer (void)
-{
- T0 = (xer_so << XER_SO) |
- (xer_ov << XER_OV) |
- (xer_ca << XER_CA) |
- (xer_bc << XER_BC) |
- (xer_cmp << XER_CMP);
-}
-
-void do_store_xer (void)
+#if defined(TARGET_PPC64)
+void do_store_pri (int prio)
{
- xer_so = (T0 >> XER_SO) & 0x01;
- xer_ov = (T0 >> XER_OV) & 0x01;
- xer_ca = (T0 >> XER_CA) & 0x01;
- xer_cmp = (T0 >> XER_CMP) & 0xFF;
- xer_bc = (T0 >> XER_BC) & 0x7F;
+ env->spr[SPR_PPR] &= ~0x001C000000000000ULL;
+ env->spr[SPR_PPR] |= ((uint64_t)prio & 0x7) << 50;
}
-
-void do_load_fpscr (void)
-{
- /* The 32 MSB of the target fpr are undefined.
- * They'll be zero...
- */
- union {
- float64 d;
- struct {
- uint32_t u[2];
- } s;
- } u;
- int i;
-
-#if defined(WORDS_BIGENDIAN)
-#define WORD0 0
-#define WORD1 1
-#else
-#define WORD0 1
-#define WORD1 0
#endif
- u.s.u[WORD0] = 0;
- u.s.u[WORD1] = 0;
- for (i = 0; i < 8; i++)
- u.s.u[WORD1] |= env->fpscr[i] << (4 * i);
- FT0 = u.d;
-}
-
-void do_store_fpscr (uint32_t mask)
-{
- /*
- * We use only the 32 LSB of the incoming fpr
- */
- union {
- double d;
- struct {
- uint32_t u[2];
- } s;
- } u;
- int i, rnd_type;
-
- u.d = FT0;
- if (mask & 0x80)
- env->fpscr[0] = (env->fpscr[0] & 0x9) | ((u.s.u[WORD1] >> 28) & ~0x9);
- for (i = 1; i < 7; i++) {
- if (mask & (1 << (7 - i)))
- env->fpscr[i] = (u.s.u[WORD1] >> (4 * (7 - i))) & 0xF;
- }
- /* TODO: update FEX & VX */
- /* Set rounding mode */
- switch (env->fpscr[0] & 0x3) {
- case 0:
- /* Best approximation (round to nearest) */
- rnd_type = float_round_nearest_even;
- break;
- case 1:
- /* Smaller magnitude (round toward zero) */
- rnd_type = float_round_to_zero;
- break;
- case 2:
- /* Round toward +infinite */
- rnd_type = float_round_up;
- break;
- default:
- case 3:
- /* Round toward -infinite */
- rnd_type = float_round_down;
- break;
- }
- set_float_rounding_mode(rnd_type, &env->fp_status);
-}
target_ulong ppc_load_dump_spr (int sprn)
{
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n",
sprn, sprn, env->spr[sprn]);
}
void ppc_store_dump_spr (int sprn, target_ulong val)
{
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "Write SPR %d %03x => " ADDRX " <= " ADDRX "\n",
sprn, sprn, env->spr[sprn], val);
}
/*****************************************************************************/
/* Fixed point operations helpers */
-#if defined(TARGET_PPC64)
-static void add128 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b)
-{
- *plow += a;
- /* carry test */
- if (*plow < a)
- (*phigh)++;
- *phigh += b;
-}
-
-static void neg128 (uint64_t *plow, uint64_t *phigh)
-{
- *plow = ~ *plow;
- *phigh = ~ *phigh;
- add128(plow, phigh, 1, 0);
-}
-
-static void mul64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b)
-{
- uint32_t a0, a1, b0, b1;
- uint64_t v;
-
- a0 = a;
- a1 = a >> 32;
-
- b0 = b;
- b1 = b >> 32;
-
- v = (uint64_t)a0 * (uint64_t)b0;
- *plow = v;
- *phigh = 0;
-
- v = (uint64_t)a0 * (uint64_t)b1;
- add128(plow, phigh, v << 32, v >> 32);
-
- v = (uint64_t)a1 * (uint64_t)b0;
- add128(plow, phigh, v << 32, v >> 32);
-
- v = (uint64_t)a1 * (uint64_t)b1;
- *phigh += v;
-#if defined(DEBUG_MULDIV)
- printf("mul: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n",
- a, b, *phigh, *plow);
-#endif
-}
-
-void do_mul64 (uint64_t *plow, uint64_t *phigh)
-{
- mul64(plow, phigh, T0, T1);
-}
-
-static void imul64 (uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b)
-{
- int sa, sb;
- sa = (a < 0);
- if (sa)
- a = -a;
- sb = (b < 0);
- if (sb)
- b = -b;
- mul64(plow, phigh, a, b);
- if (sa ^ sb) {
- neg128(plow, phigh);
- }
-}
-
-void do_imul64 (uint64_t *plow, uint64_t *phigh)
-{
- imul64(plow, phigh, T0, T1);
-}
-#endif
-
void do_adde (void)
{
T2 = T0;
((uint32_t)T1 ^ (uint32_t)T0) & (1UL << 31)))) {
xer_ov = 0;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
}
if (likely(T1 != 0))
xer_ca = 1;
((uint64_t)T1 ^ (uint64_t)T0) & (1ULL << 63)))) {
xer_ov = 0;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
}
if (likely(T1 != 0))
xer_ca = 1;
xer_ov = 0;
T0 = (int32_t)T0 / (int32_t)T1;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
T0 = (-1) * ((uint32_t)T0 >> 31);
}
}
xer_ov = 0;
T0 = (int64_t)T0 / (int64_t)T1;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
T0 = (-1ULL) * ((uint64_t)T0 >> 63);
}
}
xer_ov = 0;
T0 = (uint32_t)T0 / (uint32_t)T1;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
T0 = 0;
}
}
xer_ov = 0;
T0 = (uint64_t)T0 / (uint64_t)T1;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
T0 = 0;
}
}
int64_t th;
uint64_t tl;
- do_imul64(&tl, &th);
- if (likely(th == 0)) {
+ muls64(&tl, &th, T0, T1);
+ /* If th != 0 && th != -1, then we had an overflow */
+ if (likely((th + 1) <= 1)) {
xer_ov = 0;
} else {
xer_ov = 1;
(1UL << 31)))) {
xer_ov = 0;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
}
if (likely((uint32_t)T1 != UINT32_MAX))
xer_ca = 1;
(1ULL << 63)))) {
xer_ov = 0;
} else {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
}
if (likely((uint64_t)T1 != UINT64_MAX))
xer_ca = 1;
}
#endif
+void do_cntlzw (void)
+{
+ T0 = clz32(T0);
+}
+
+#if defined(TARGET_PPC64)
+void do_cntlzd (void)
+{
+ T0 = clz64(T0);
+}
+#endif
+
/* shift right arithmetic helper */
void do_sraw (void)
{
}
#endif
-static inline int popcnt (uint32_t val)
-{
- int i;
-
- for (i = 0; val != 0;)
- val = val ^ (val - 1);
-
- return i;
-}
-
void do_popcntb (void)
{
uint32_t ret;
ret = 0;
for (i = 0; i < 32; i += 8)
- ret |= popcnt((T0 >> i) & 0xFF) << i;
+ ret |= ctpop8((T0 >> i) & 0xFF) << i;
T0 = ret;
}
ret = 0;
for (i = 0; i < 64; i += 8)
- ret |= popcnt((T0 >> i) & 0xFF) << i;
+ ret |= ctpop8((T0 >> i) & 0xFF) << i;
T0 = ret;
}
#endif
/*****************************************************************************/
/* Floating point operations helpers */
+static always_inline int fpisneg (float64 f)
+{
+ union {
+ float64 f;
+ uint64_t u;
+ } u;
+
+ u.f = f;
+
+ return u.u >> 63 != 0;
+}
+
+static always_inline int isden (float f)
+{
+ union {
+ float64 f;
+ uint64_t u;
+ } u;
+
+ u.f = f;
+
+ return ((u.u >> 52) & 0x7FF) == 0;
+}
+
+static always_inline int iszero (float64 f)
+{
+ union {
+ float64 f;
+ uint64_t u;
+ } u;
+
+ u.f = f;
+
+ return (u.u & ~0x8000000000000000ULL) == 0;
+}
+
+static always_inline int isinfinity (float64 f)
+{
+ union {
+ float64 f;
+ uint64_t u;
+ } u;
+
+ u.f = f;
+
+ return ((u.u >> 52) & 0x7FF) == 0x7FF &&
+ (u.u & 0x000FFFFFFFFFFFFFULL) == 0;
+}
+
+void do_compute_fprf (int set_fprf)
+{
+ int isneg;
+
+ isneg = fpisneg(FT0);
+ if (unlikely(float64_is_nan(FT0))) {
+ if (float64_is_signaling_nan(FT0)) {
+ /* Signaling NaN: flags are undefined */
+ T0 = 0x00;
+ } else {
+ /* Quiet NaN */
+ T0 = 0x11;
+ }
+ } else if (unlikely(isinfinity(FT0))) {
+ /* +/- infinity */
+ if (isneg)
+ T0 = 0x09;
+ else
+ T0 = 0x05;
+ } else {
+ if (iszero(FT0)) {
+ /* +/- zero */
+ if (isneg)
+ T0 = 0x12;
+ else
+ T0 = 0x02;
+ } else {
+ if (isden(FT0)) {
+ /* Denormalized numbers */
+ T0 = 0x10;
+ } else {
+ /* Normalized numbers */
+ T0 = 0x00;
+ }
+ if (isneg) {
+ T0 |= 0x08;
+ } else {
+ T0 |= 0x04;
+ }
+ }
+ }
+ if (set_fprf) {
+ /* We update FPSCR_FPRF */
+ env->fpscr &= ~(0x1F << FPSCR_FPRF);
+ env->fpscr |= T0 << FPSCR_FPRF;
+ }
+ /* We just need fpcc to update Rc1 */
+ T0 &= 0xF;
+}
+
+/* Floating-point invalid operations exception */
+static always_inline void fload_invalid_op_excp (int op)
+{
+ int ve;
+
+ ve = fpscr_ve;
+ if (op & POWERPC_EXCP_FP_VXSNAN) {
+ /* Operation on signaling NaN */
+ env->fpscr |= 1 << FPSCR_VXSNAN;
+ }
+ if (op & POWERPC_EXCP_FP_VXSOFT) {
+ /* Software-defined condition */
+ env->fpscr |= 1 << FPSCR_VXSOFT;
+ }
+ switch (op & ~(POWERPC_EXCP_FP_VXSOFT | POWERPC_EXCP_FP_VXSNAN)) {
+ case POWERPC_EXCP_FP_VXISI:
+ /* Magnitude subtraction of infinities */
+ env->fpscr |= 1 << FPSCR_VXISI;
+ goto update_arith;
+ case POWERPC_EXCP_FP_VXIDI:
+ /* Division of infinity by infinity */
+ env->fpscr |= 1 << FPSCR_VXIDI;
+ goto update_arith;
+ case POWERPC_EXCP_FP_VXZDZ:
+ /* Division of zero by zero */
+ env->fpscr |= 1 << FPSCR_VXZDZ;
+ goto update_arith;
+ case POWERPC_EXCP_FP_VXIMZ:
+ /* Multiplication of zero by infinity */
+ env->fpscr |= 1 << FPSCR_VXIMZ;
+ goto update_arith;
+ case POWERPC_EXCP_FP_VXVC:
+ /* Ordered comparison of NaN */
+ env->fpscr |= 1 << FPSCR_VXVC;
+ env->fpscr &= ~(0xF << FPSCR_FPCC);
+ env->fpscr |= 0x11 << FPSCR_FPCC;
+ /* We must update the target FPR before raising the exception */
+ if (ve != 0) {
+ env->exception_index = POWERPC_EXCP_PROGRAM;
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC;
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ /* Exception is differed */
+ ve = 0;
+ }
+ break;
+ case POWERPC_EXCP_FP_VXSQRT:
+ /* Square root of a negative number */
+ env->fpscr |= 1 << FPSCR_VXSQRT;
+ update_arith:
+ env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
+ if (ve == 0) {
+ /* Set the result to quiet NaN */
+ FT0 = (uint64_t)-1;
+ env->fpscr &= ~(0xF << FPSCR_FPCC);
+ env->fpscr |= 0x11 << FPSCR_FPCC;
+ }
+ break;
+ case POWERPC_EXCP_FP_VXCVI:
+ /* Invalid conversion */
+ env->fpscr |= 1 << FPSCR_VXCVI;
+ env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
+ if (ve == 0) {
+ /* Set the result to quiet NaN */
+ FT0 = (uint64_t)-1;
+ env->fpscr &= ~(0xF << FPSCR_FPCC);
+ env->fpscr |= 0x11 << FPSCR_FPCC;
+ }
+ break;
+ }
+ /* Update the floating-point invalid operation summary */
+ env->fpscr |= 1 << FPSCR_VX;
+ /* Update the floating-point exception summary */
+ env->fpscr |= 1 << FPSCR_FX;
+ if (ve != 0) {
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ if (msr_fe0 != 0 || msr_fe1 != 0)
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
+ }
+}
+
+static always_inline void float_zero_divide_excp (void)
+{
+ union {
+ float64 f;
+ uint64_t u;
+ } u0, u1;
+
+ env->fpscr |= 1 << FPSCR_ZX;
+ env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
+ /* Update the floating-point exception summary */
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_ze != 0) {
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ if (msr_fe0 != 0 || msr_fe1 != 0) {
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
+ }
+ } else {
+ /* Set the result to infinity */
+ u0.f = FT0;
+ u1.f = FT1;
+ u0.u = ((u0.u ^ u1.u) & 0x8000000000000000ULL);
+ u0.u |= 0x7FFULL << 52;
+ FT0 = u0.f;
+ }
+}
+
+static always_inline void float_overflow_excp (void)
+{
+ env->fpscr |= 1 << FPSCR_OX;
+ /* Update the floating-point exception summary */
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_oe != 0) {
+ /* XXX: should adjust the result */
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ /* We must update the target FPR before raising the exception */
+ env->exception_index = POWERPC_EXCP_PROGRAM;
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
+ } else {
+ env->fpscr |= 1 << FPSCR_XX;
+ env->fpscr |= 1 << FPSCR_FI;
+ }
+}
+
+static always_inline void float_underflow_excp (void)
+{
+ env->fpscr |= 1 << FPSCR_UX;
+ /* Update the floating-point exception summary */
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_ue != 0) {
+ /* XXX: should adjust the result */
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ /* We must update the target FPR before raising the exception */
+ env->exception_index = POWERPC_EXCP_PROGRAM;
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
+ }
+}
+
+static always_inline void float_inexact_excp (void)
+{
+ env->fpscr |= 1 << FPSCR_XX;
+ /* Update the floating-point exception summary */
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_xe != 0) {
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ /* We must update the target FPR before raising the exception */
+ env->exception_index = POWERPC_EXCP_PROGRAM;
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
+ }
+}
+
+static always_inline void fpscr_set_rounding_mode (void)
+{
+ int rnd_type;
+
+ /* Set rounding mode */
+ switch (fpscr_rn) {
+ case 0:
+ /* Best approximation (round to nearest) */
+ rnd_type = float_round_nearest_even;
+ break;
+ case 1:
+ /* Smaller magnitude (round toward zero) */
+ rnd_type = float_round_to_zero;
+ break;
+ case 2:
+ /* Round toward +infinite */
+ rnd_type = float_round_up;
+ break;
+ default:
+ case 3:
+ /* Round toward -infinite */
+ rnd_type = float_round_down;
+ break;
+ }
+ set_float_rounding_mode(rnd_type, &env->fp_status);
+}
+
+void do_fpscr_setbit (int bit)
+{
+ int prev;
+
+ prev = (env->fpscr >> bit) & 1;
+ env->fpscr |= 1 << bit;
+ if (prev == 0) {
+ switch (bit) {
+ case FPSCR_VX:
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_ve)
+ goto raise_ve;
+ case FPSCR_OX:
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_oe)
+ goto raise_oe;
+ break;
+ case FPSCR_UX:
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_ue)
+ goto raise_ue;
+ break;
+ case FPSCR_ZX:
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_ze)
+ goto raise_ze;
+ break;
+ case FPSCR_XX:
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_xe)
+ goto raise_xe;
+ break;
+ case FPSCR_VXSNAN:
+ case FPSCR_VXISI:
+ case FPSCR_VXIDI:
+ case FPSCR_VXZDZ:
+ case FPSCR_VXIMZ:
+ case FPSCR_VXVC:
+ case FPSCR_VXSOFT:
+ case FPSCR_VXSQRT:
+ case FPSCR_VXCVI:
+ env->fpscr |= 1 << FPSCR_VX;
+ env->fpscr |= 1 << FPSCR_FX;
+ if (fpscr_ve != 0)
+ goto raise_ve;
+ break;
+ case FPSCR_VE:
+ if (fpscr_vx != 0) {
+ raise_ve:
+ env->error_code = POWERPC_EXCP_FP;
+ if (fpscr_vxsnan)
+ env->error_code |= POWERPC_EXCP_FP_VXSNAN;
+ if (fpscr_vxisi)
+ env->error_code |= POWERPC_EXCP_FP_VXISI;
+ if (fpscr_vxidi)
+ env->error_code |= POWERPC_EXCP_FP_VXIDI;
+ if (fpscr_vxzdz)
+ env->error_code |= POWERPC_EXCP_FP_VXZDZ;
+ if (fpscr_vximz)
+ env->error_code |= POWERPC_EXCP_FP_VXIMZ;
+ if (fpscr_vxvc)
+ env->error_code |= POWERPC_EXCP_FP_VXVC;
+ if (fpscr_vxsoft)
+ env->error_code |= POWERPC_EXCP_FP_VXSOFT;
+ if (fpscr_vxsqrt)
+ env->error_code |= POWERPC_EXCP_FP_VXSQRT;
+ if (fpscr_vxcvi)
+ env->error_code |= POWERPC_EXCP_FP_VXCVI;
+ goto raise_excp;
+ }
+ break;
+ case FPSCR_OE:
+ if (fpscr_ox != 0) {
+ raise_oe:
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
+ goto raise_excp;
+ }
+ break;
+ case FPSCR_UE:
+ if (fpscr_ux != 0) {
+ raise_ue:
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
+ goto raise_excp;
+ }
+ break;
+ case FPSCR_ZE:
+ if (fpscr_zx != 0) {
+ raise_ze:
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX;
+ goto raise_excp;
+ }
+ break;
+ case FPSCR_XE:
+ if (fpscr_xx != 0) {
+ raise_xe:
+ env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
+ goto raise_excp;
+ }
+ break;
+ case FPSCR_RN1:
+ case FPSCR_RN:
+ fpscr_set_rounding_mode();
+ break;
+ default:
+ break;
+ raise_excp:
+ /* Update the floating-point enabled exception summary */
+ env->fpscr |= 1 << FPSCR_FEX;
+ /* We have to update Rc1 before raising the exception */
+ env->exception_index = POWERPC_EXCP_PROGRAM;
+ break;
+ }
+ }
+}
+
+#if defined(WORDS_BIGENDIAN)
+#define WORD0 0
+#define WORD1 1
+#else
+#define WORD0 1
+#define WORD1 0
+#endif
+void do_store_fpscr (uint32_t mask)
+{
+ /*
+ * We use only the 32 LSB of the incoming fpr
+ */
+ union {
+ double d;
+ struct {
+ uint32_t u[2];
+ } s;
+ } u;
+ uint32_t prev, new;
+ int i;
+
+ u.d = FT0;
+ prev = env->fpscr;
+ new = u.s.u[WORD1];
+ new &= ~0x90000000;
+ new |= prev & 0x90000000;
+ for (i = 0; i < 7; i++) {
+ if (mask & (1 << i)) {
+ env->fpscr &= ~(0xF << (4 * i));
+ env->fpscr |= new & (0xF << (4 * i));
+ }
+ }
+ /* Update VX and FEX */
+ if (fpscr_ix != 0)
+ env->fpscr |= 1 << FPSCR_VX;
+ if ((fpscr_ex & fpscr_eex) != 0) {
+ env->fpscr |= 1 << FPSCR_FEX;
+ env->exception_index = POWERPC_EXCP_PROGRAM;
+ /* XXX: we should compute it properly */
+ env->error_code = POWERPC_EXCP_FP;
+ }
+ fpscr_set_rounding_mode();
+}
+#undef WORD0
+#undef WORD1
+
+#ifdef CONFIG_SOFTFLOAT
+void do_float_check_status (void)
+{
+ 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)
+ do_raise_exception_err(env->exception_index, env->error_code);
+ } else if (env->fp_status.float_exception_flags & float_flag_overflow) {
+ float_overflow_excp();
+ } else if (env->fp_status.float_exception_flags & float_flag_underflow) {
+ float_underflow_excp();
+ } else if (env->fp_status.float_exception_flags & float_flag_inexact) {
+ float_inexact_excp();
+ }
+}
+#endif
+
+#if USE_PRECISE_EMULATION
+void do_fadd (void)
+{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1))) {
+ /* sNaN addition */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (likely(isfinite(FT0) || isfinite(FT1) ||
+ fpisneg(FT0) == fpisneg(FT1))) {
+ FT0 = float64_add(FT0, FT1, &env->fp_status);
+ } else {
+ /* Magnitude subtraction of infinities */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ }
+}
+
+void do_fsub (void)
+{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1))) {
+ /* sNaN subtraction */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (likely(isfinite(FT0) || isfinite(FT1) ||
+ fpisneg(FT0) != fpisneg(FT1))) {
+ FT0 = float64_sub(FT0, FT1, &env->fp_status);
+ } else {
+ /* Magnitude subtraction of infinities */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ }
+}
+
+void do_fmul (void)
+{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1))) {
+ /* sNaN multiplication */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (unlikely((isinfinity(FT0) && iszero(FT1)) ||
+ (iszero(FT0) && isinfinity(FT1)))) {
+ /* Multiplication of zero by infinity */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
+ } else {
+ FT0 = float64_mul(FT0, FT1, &env->fp_status);
+ }
+}
+
+void do_fdiv (void)
+{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1))) {
+ /* sNaN division */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (unlikely(isinfinity(FT0) && isinfinity(FT1))) {
+ /* Division of infinity by infinity */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI);
+ } else if (unlikely(iszero(FT1))) {
+ if (iszero(FT0)) {
+ /* Division of zero by zero */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ);
+ } else {
+ /* Division by zero */
+ float_zero_divide_excp();
+ }
+ } else {
+ FT0 = float64_div(FT0, FT1, &env->fp_status);
+ }
+}
+#endif /* USE_PRECISE_EMULATION */
+
void do_fctiw (void)
{
union {
uint64_t i;
} p;
- p.i = float64_to_int32(FT0, &env->fp_status);
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
+ } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) {
+ /* qNan / infinity conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
+ } else {
+ p.i = float64_to_int32(FT0, &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 (aka G3)
- */
- p.i |= 0xFFF80000ULL << 32;
+ /* XXX: higher bits are not supposed to be significant.
+ * to make tests easier, return the same as a real PowerPC 750
+ */
+ p.i |= 0xFFF80000ULL << 32;
#endif
- FT0 = p.d;
+ FT0 = p.d;
+ }
}
void do_fctiwz (void)
uint64_t i;
} p;
- p.i = float64_to_int32_round_to_zero(FT0, &env->fp_status);
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
+ } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) {
+ /* qNan / infinity conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
+ } else {
+ p.i = float64_to_int32_round_to_zero(FT0, &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 (aka G3)
- */
- p.i |= 0xFFF80000ULL << 32;
+ /* XXX: higher bits are not supposed to be significant.
+ * to make tests easier, return the same as a real PowerPC 750
+ */
+ p.i |= 0xFFF80000ULL << 32;
#endif
- FT0 = p.d;
+ FT0 = p.d;
+ }
}
#if defined(TARGET_PPC64)
uint64_t i;
} p;
- p.i = float64_to_int64(FT0, &env->fp_status);
- FT0 = p.d;
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
+ } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) {
+ /* qNan / infinity conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
+ } else {
+ p.i = float64_to_int64(FT0, &env->fp_status);
+ FT0 = p.d;
+ }
}
void do_fctidz (void)
uint64_t i;
} p;
- p.i = float64_to_int64_round_to_zero(FT0, &env->fp_status);
- FT0 = p.d;
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
+ } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) {
+ /* qNan / infinity conversion */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
+ } else {
+ p.i = float64_to_int64_round_to_zero(FT0, &env->fp_status);
+ FT0 = p.d;
+ }
}
#endif
+static always_inline void do_fri (int rounding_mode)
+{
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN round */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
+ } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) {
+ /* qNan / infinity round */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
+ } else {
+ set_float_rounding_mode(rounding_mode, &env->fp_status);
+ FT0 = float64_round_to_int(FT0, &env->fp_status);
+ /* Restore rounding mode from FPSCR */
+ fpscr_set_rounding_mode();
+ }
+}
+
+void do_frin (void)
+{
+ do_fri(float_round_nearest_even);
+}
+
+void do_friz (void)
+{
+ do_fri(float_round_to_zero);
+}
+
+void do_frip (void)
+{
+ do_fri(float_round_up);
+}
+
+void do_frim (void)
+{
+ do_fri(float_round_down);
+}
+
#if USE_PRECISE_EMULATION
void do_fmadd (void)
{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1) ||
+ float64_is_signaling_nan(FT2))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else {
#ifdef FLOAT128
- float128 ft0_128, ft1_128;
-
- ft0_128 = float64_to_float128(FT0, &env->fp_status);
- ft1_128 = float64_to_float128(FT1, &env->fp_status);
- ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(FT2, &env->fp_status);
- ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
- FT0 = float128_to_float64(ft0_128, &env->fp_status);
+ /* This is the way the PowerPC specification defines it */
+ float128 ft0_128, ft1_128;
+
+ ft0_128 = float64_to_float128(FT0, &env->fp_status);
+ ft1_128 = float64_to_float128(FT1, &env->fp_status);
+ ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
+ ft1_128 = float64_to_float128(FT2, &env->fp_status);
+ ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
+ FT0 = float128_to_float64(ft0_128, &env->fp_status);
#else
- /* This is OK on x86 hosts */
- FT0 = (FT0 * FT1) + FT2;
+ /* This is OK on x86 hosts */
+ FT0 = (FT0 * FT1) + FT2;
#endif
+ }
}
void do_fmsub (void)
{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1) ||
+ float64_is_signaling_nan(FT2))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else {
#ifdef FLOAT128
- float128 ft0_128, ft1_128;
-
- ft0_128 = float64_to_float128(FT0, &env->fp_status);
- ft1_128 = float64_to_float128(FT1, &env->fp_status);
- ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(FT2, &env->fp_status);
- ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
- FT0 = float128_to_float64(ft0_128, &env->fp_status);
+ /* This is the way the PowerPC specification defines it */
+ float128 ft0_128, ft1_128;
+
+ ft0_128 = float64_to_float128(FT0, &env->fp_status);
+ ft1_128 = float64_to_float128(FT1, &env->fp_status);
+ ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
+ ft1_128 = float64_to_float128(FT2, &env->fp_status);
+ ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
+ FT0 = float128_to_float64(ft0_128, &env->fp_status);
#else
- /* This is OK on x86 hosts */
- FT0 = (FT0 * FT1) - FT2;
+ /* This is OK on x86 hosts */
+ FT0 = (FT0 * FT1) - FT2;
#endif
+ }
}
#endif /* USE_PRECISE_EMULATION */
void do_fnmadd (void)
{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1) ||
+ float64_is_signaling_nan(FT2))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else {
#if USE_PRECISE_EMULATION
#ifdef FLOAT128
- float128 ft0_128, ft1_128;
-
- ft0_128 = float64_to_float128(FT0, &env->fp_status);
- ft1_128 = float64_to_float128(FT1, &env->fp_status);
- ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(FT2, &env->fp_status);
- ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
- FT0 = float128_to_float64(ft0_128, &env->fp_status);
+ /* This is the way the PowerPC specification defines it */
+ float128 ft0_128, ft1_128;
+
+ ft0_128 = float64_to_float128(FT0, &env->fp_status);
+ ft1_128 = float64_to_float128(FT1, &env->fp_status);
+ ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
+ ft1_128 = float64_to_float128(FT2, &env->fp_status);
+ ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
+ FT0 = float128_to_float64(ft0_128, &env->fp_status);
#else
- /* This is OK on x86 hosts */
- FT0 = (FT0 * FT1) + FT2;
+ /* This is OK on x86 hosts */
+ FT0 = (FT0 * FT1) + FT2;
#endif
#else
- FT0 = float64_mul(FT0, FT1, &env->fp_status);
- FT0 = float64_add(FT0, FT2, &env->fp_status);
+ FT0 = float64_mul(FT0, FT1, &env->fp_status);
+ FT0 = float64_add(FT0, FT2, &env->fp_status);
#endif
- if (likely(!isnan(FT0)))
- FT0 = float64_chs(FT0);
+ if (likely(!isnan(FT0)))
+ FT0 = float64_chs(FT0);
+ }
}
void do_fnmsub (void)
{
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1) ||
+ float64_is_signaling_nan(FT2))) {
+ /* sNaN operation */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else {
#if USE_PRECISE_EMULATION
#ifdef FLOAT128
- float128 ft0_128, ft1_128;
-
- ft0_128 = float64_to_float128(FT0, &env->fp_status);
- ft1_128 = float64_to_float128(FT1, &env->fp_status);
- ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(FT2, &env->fp_status);
- ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
- FT0 = float128_to_float64(ft0_128, &env->fp_status);
+ /* This is the way the PowerPC specification defines it */
+ float128 ft0_128, ft1_128;
+
+ ft0_128 = float64_to_float128(FT0, &env->fp_status);
+ ft1_128 = float64_to_float128(FT1, &env->fp_status);
+ ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
+ ft1_128 = float64_to_float128(FT2, &env->fp_status);
+ ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
+ FT0 = float128_to_float64(ft0_128, &env->fp_status);
#else
- /* This is OK on x86 hosts */
- FT0 = (FT0 * FT1) - FT2;
+ /* This is OK on x86 hosts */
+ FT0 = (FT0 * FT1) - FT2;
#endif
#else
- FT0 = float64_mul(FT0, FT1, &env->fp_status);
- FT0 = float64_sub(FT0, FT2, &env->fp_status);
+ FT0 = float64_mul(FT0, FT1, &env->fp_status);
+ FT0 = float64_sub(FT0, FT2, &env->fp_status);
#endif
- if (likely(!isnan(FT0)))
- FT0 = float64_chs(FT0);
+ if (likely(!isnan(FT0)))
+ FT0 = float64_chs(FT0);
+ }
+}
+
+#if USE_PRECISE_EMULATION
+void do_frsp (void)
+{
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN square root */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else {
+ FT0 = float64_to_float32(FT0, &env->fp_status);
+ }
}
+#endif /* USE_PRECISE_EMULATION */
void do_fsqrt (void)
{
- FT0 = float64_sqrt(FT0, &env->fp_status);
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN square root */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (unlikely(fpisneg(FT0) && !iszero(FT0))) {
+ /* Square root of a negative nonzero number */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
+ } else {
+ FT0 = float64_sqrt(FT0, &env->fp_status);
+ }
+}
+
+void do_fre (void)
+{
+ union {
+ double d;
+ uint64_t i;
+ } p;
+
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN reciprocal */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (unlikely(iszero(FT0))) {
+ /* Zero reciprocal */
+ float_zero_divide_excp();
+ } else if (likely(isnormal(FT0))) {
+ FT0 = float64_div(1.0, FT0, &env->fp_status);
+ } else {
+ p.d = FT0;
+ if (p.i == 0x8000000000000000ULL) {
+ p.i = 0xFFF0000000000000ULL;
+ } else if (p.i == 0x0000000000000000ULL) {
+ p.i = 0x7FF0000000000000ULL;
+ } else if (isnan(FT0)) {
+ p.i = 0x7FF8000000000000ULL;
+ } else if (fpisneg(FT0)) {
+ p.i = 0x8000000000000000ULL;
+ } else {
+ p.i = 0x0000000000000000ULL;
+ }
+ FT0 = p.d;
+ }
}
void do_fres (void)
uint64_t i;
} p;
- if (likely(isnormal(FT0))) {
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN reciprocal */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (unlikely(iszero(FT0))) {
+ /* Zero reciprocal */
+ float_zero_divide_excp();
+ } else if (likely(isnormal(FT0))) {
#if USE_PRECISE_EMULATION
FT0 = float64_div(1.0, FT0, &env->fp_status);
FT0 = float64_to_float32(FT0, &env->fp_status);
p.i = 0x7FF0000000000000ULL;
} else if (isnan(FT0)) {
p.i = 0x7FF8000000000000ULL;
- } else if (FT0 < 0.0) {
+ } else if (fpisneg(FT0)) {
p.i = 0x8000000000000000ULL;
} else {
p.i = 0x0000000000000000ULL;
uint64_t i;
} p;
- if (likely(isnormal(FT0) && FT0 > 0.0)) {
+ if (unlikely(float64_is_signaling_nan(FT0))) {
+ /* sNaN reciprocal square root */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else if (unlikely(fpisneg(FT0) && !iszero(FT0))) {
+ /* Reciprocal square root of a negative nonzero number */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
+ } else if (likely(isnormal(FT0))) {
FT0 = float64_sqrt(FT0, &env->fp_status);
FT0 = float32_div(1.0, FT0, &env->fp_status);
} else {
} else if (p.i == 0x0000000000000000ULL) {
p.i = 0x7FF0000000000000ULL;
} else if (isnan(FT0)) {
- if (!(p.i & 0x0008000000000000ULL))
- p.i |= 0x000FFFFFFFFFFFFFULL;
- } else if (FT0 < 0) {
+ p.i |= 0x000FFFFFFFFFFFFFULL;
+ } else if (fpisneg(FT0)) {
p.i = 0x7FF8000000000000ULL;
} else {
p.i = 0x0000000000000000ULL;
void do_fsel (void)
{
- if (FT0 >= 0)
+ if (!fpisneg(FT0) || iszero(FT0))
FT0 = FT1;
else
FT0 = FT2;
void do_fcmpu (void)
{
- if (likely(!isnan(FT0) && !isnan(FT1))) {
+ if (unlikely(float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1))) {
+ /* sNaN comparison */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ } else {
if (float64_lt(FT0, FT1, &env->fp_status)) {
T0 = 0x08UL;
} else if (!float64_le(FT0, FT1, &env->fp_status)) {
} else {
T0 = 0x02UL;
}
- } else {
- T0 = 0x01UL;
- env->fpscr[4] |= 0x1;
- env->fpscr[6] |= 0x1;
}
- env->fpscr[3] = T0;
+ env->fpscr &= ~(0x0F << FPSCR_FPRF);
+ env->fpscr |= T0 << FPSCR_FPRF;
}
void do_fcmpo (void)
{
- env->fpscr[4] &= ~0x1;
- if (likely(!isnan(FT0) && !isnan(FT1))) {
+ if (unlikely(float64_is_nan(FT0) ||
+ float64_is_nan(FT1))) {
+ if (float64_is_signaling_nan(FT0) ||
+ float64_is_signaling_nan(FT1)) {
+ /* sNaN comparison */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN |
+ POWERPC_EXCP_FP_VXVC);
+ } else {
+ /* qNaN comparison */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXVC);
+ }
+ } else {
if (float64_lt(FT0, FT1, &env->fp_status)) {
T0 = 0x08UL;
} else if (!float64_le(FT0, FT1, &env->fp_status)) {
} else {
T0 = 0x02UL;
}
- } else {
- T0 = 0x01UL;
- env->fpscr[4] |= 0x1;
- if (!float64_is_signaling_nan(FT0) || !float64_is_signaling_nan(FT1)) {
- /* Quiet NaN case */
- env->fpscr[6] |= 0x1;
- if (!(env->fpscr[1] & 0x8))
- env->fpscr[4] |= 0x8;
- } else {
- env->fpscr[4] |= 0x8;
- }
}
- env->fpscr[3] = T0;
+ env->fpscr &= ~(0x0F << FPSCR_FPRF);
+ env->fpscr |= T0 << FPSCR_FPRF;
}
#if !defined (CONFIG_USER_ONLY)
-void do_rfi (void)
+void cpu_dump_rfi (target_ulong RA, target_ulong msr);
+
+void do_store_msr (void)
+{
+ T0 = hreg_store_msr(env, T0);
+ if (T0 != 0) {
+ env->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ do_raise_exception(T0);
+ }
+}
+
+static always_inline void __do_rfi (target_ulong nip, target_ulong msr,
+ target_ulong msrm, int keep_msrh)
{
#if defined(TARGET_PPC64)
- if (env->spr[SPR_SRR1] & (1ULL << MSR_SF)) {
- env->nip = (uint64_t)(env->spr[SPR_SRR0] & ~0x00000003);
- do_store_msr(env, (uint64_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
+ if (msr & (1ULL << MSR_SF)) {
+ nip = (uint64_t)nip;
+ msr &= (uint64_t)msrm;
} else {
- env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003);
- ppc_store_msr_32(env, (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
+ nip = (uint32_t)nip;
+ msr = (uint32_t)(msr & msrm);
+ if (keep_msrh)
+ msr |= env->msr & ~((uint64_t)0xFFFFFFFF);
}
#else
- env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003);
- do_store_msr(env, (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
+ nip = (uint32_t)nip;
+ msr &= (uint32_t)msrm;
#endif
+ /* XXX: beware: this is false if VLE is supported */
+ env->nip = nip & ~((target_ulong)0x00000003);
+ hreg_store_msr(env, msr);
#if defined (DEBUG_OP)
- dump_rfi();
+ cpu_dump_rfi(env->nip, env->msr);
#endif
+ /* No need to raise an exception here,
+ * as rfi is always the last insn of a TB
+ */
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
}
+void do_rfi (void)
+{
+ __do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1],
+ ~((target_ulong)0xFFFF0000), 1);
+}
+
#if defined(TARGET_PPC64)
void do_rfid (void)
{
- if (env->spr[SPR_SRR1] & (1ULL << MSR_SF)) {
- env->nip = (uint64_t)(env->spr[SPR_SRR0] & ~0x00000003);
- do_store_msr(env, (uint64_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
- } else {
- env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003);
- do_store_msr(env, (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
- }
-#if defined (DEBUG_OP)
- dump_rfi();
+ __do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1],
+ ~((target_ulong)0xFFFF0000), 0);
+}
#endif
- env->interrupt_request |= CPU_INTERRUPT_EXITTB;
+#if defined(TARGET_PPC64H)
+void do_hrfid (void)
+{
+ __do_rfi(env->spr[SPR_HSRR0], env->spr[SPR_HSRR1],
+ ~((target_ulong)0xFFFF0000), 0);
}
#endif
#endif
((int32_t)T0 == (int32_t)T1 && (flags & 0x04)) ||
((uint32_t)T0 < (uint32_t)T1 && (flags & 0x02)) ||
((uint32_t)T0 > (uint32_t)T1 && (flags & 0x01))))) {
- do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP);
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
}
((int64_t)T0 == (int64_t)T1 && (flags & 0x04)) ||
((uint64_t)T0 < (uint64_t)T1 && (flags & 0x02)) ||
((uint64_t)T0 > (uint64_t)T1 && (flags & 0x01)))))
- do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP);
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
#endif
switch (T0) {
case 0x0CUL:
/* Instruction cache line size */
- T0 = ICACHE_LINE_SIZE;
+ T0 = env->icache_line_size;
break;
case 0x0DUL:
/* Data cache line size */
- T0 = DCACHE_LINE_SIZE;
+ T0 = env->dcache_line_size;
break;
case 0x0EUL:
/* Minimum cache line size */
- T0 = ICACHE_LINE_SIZE < DCACHE_LINE_SIZE ?
- ICACHE_LINE_SIZE : DCACHE_LINE_SIZE;
+ T0 = env->icache_line_size < env->dcache_line_size ?
+ env->icache_line_size : env->dcache_line_size;
break;
case 0x0FUL:
/* Maximum cache line size */
- T0 = ICACHE_LINE_SIZE > DCACHE_LINE_SIZE ?
- ICACHE_LINE_SIZE : DCACHE_LINE_SIZE;
+ T0 = env->icache_line_size > env->dcache_line_size ?
+ env->icache_line_size : env->dcache_line_size;
break;
default:
/* Undefined */
T0 = T1 - T0;
if (((uint32_t)(~T2) ^ (uint32_t)T1 ^ UINT32_MAX) &
((uint32_t)(~T2) ^ (uint32_t)T0) & (1UL << 31)) {
- xer_so = 1;
xer_ov = 1;
+ xer_so = 1;
} else {
xer_ov = 0;
}
#if !defined (CONFIG_USER_ONLY)
void do_POWER_rac (void)
{
-#if 0
mmu_ctx_t ctx;
+ int nb_BATs;
/* We don't have to generate many instances of this instruction,
* as rac is supervisor only.
*/
- if (get_physical_address(env, &ctx, T0, 0, ACCESS_INT, 1) == 0)
+ /* XXX: FIX THIS: Pretend we have no BAT */
+ nb_BATs = env->nb_BATs;
+ env->nb_BATs = 0;
+ if (get_physical_address(env, &ctx, T0, 0, ACCESS_INT) == 0)
T0 = ctx.raddr;
-#endif
+ env->nb_BATs = nb_BATs;
}
void do_POWER_rfsvc (void)
{
- env->nip = env->lr & ~0x00000003UL;
- T0 = env->ctr & 0x0000FFFFUL;
- do_store_msr(env, T0);
-#if defined (DEBUG_OP)
- dump_rfi();
-#endif
- env->interrupt_request |= CPU_INTERRUPT_EXITTB;
+ __do_rfi(env->lr, env->ctr, 0x0000FFFF, 0);
}
/* PowerPC 601 BAT management helper */
}
}
-#if !defined(CONFIG_USER_ONLY)
-void do_40x_rfci (void)
-{
- env->nip = env->spr[SPR_40x_SRR2];
- do_store_msr(env, env->spr[SPR_40x_SRR3] & ~0xFFFF0000);
-#if defined (DEBUG_OP)
- dump_rfi();
-#endif
- env->interrupt_request = CPU_INTERRUPT_EXITTB;
-}
-
-void do_rfci (void)
-{
-#if defined(TARGET_PPC64)
- if (env->spr[SPR_BOOKE_CSRR1] & (1 << MSR_CM)) {
- env->nip = (uint64_t)env->spr[SPR_BOOKE_CSRR0];
- } else
-#endif
- {
- env->nip = (uint32_t)env->spr[SPR_BOOKE_CSRR0];
- }
- do_store_msr(env, (uint32_t)env->spr[SPR_BOOKE_CSRR1] & ~0x3FFF0000);
-#if defined (DEBUG_OP)
- dump_rfi();
-#endif
- env->interrupt_request = CPU_INTERRUPT_EXITTB;
-}
-
-void do_rfdi (void)
-{
-#if defined(TARGET_PPC64)
- if (env->spr[SPR_BOOKE_DSRR1] & (1 << MSR_CM)) {
- env->nip = (uint64_t)env->spr[SPR_BOOKE_DSRR0];
- } else
-#endif
- {
- env->nip = (uint32_t)env->spr[SPR_BOOKE_DSRR0];
- }
- do_store_msr(env, (uint32_t)env->spr[SPR_BOOKE_DSRR1] & ~0x3FFF0000);
-#if defined (DEBUG_OP)
- dump_rfi();
-#endif
- env->interrupt_request = CPU_INTERRUPT_EXITTB;
-}
-
-void do_rfmci (void)
-{
-#if defined(TARGET_PPC64)
- if (env->spr[SPR_BOOKE_MCSRR1] & (1 << MSR_CM)) {
- env->nip = (uint64_t)env->spr[SPR_BOOKE_MCSRR0];
- } else
-#endif
- {
- env->nip = (uint32_t)env->spr[SPR_BOOKE_MCSRR0];
- }
- do_store_msr(env, (uint32_t)env->spr[SPR_BOOKE_MCSRR1] & ~0x3FFF0000);
-#if defined (DEBUG_OP)
- dump_rfi();
-#endif
- env->interrupt_request = CPU_INTERRUPT_EXITTB;
-}
-
+/* XXX: to be improved to check access rights when in user-mode */
void do_load_dcr (void)
{
target_ulong val;
-
+
if (unlikely(env->dcr_env == NULL)) {
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
- do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL);
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
} else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) {
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "DCR read error %d %03x\n", (int)T0, (int)T0);
}
- do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG);
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
} else {
T0 = val;
}
void do_store_dcr (void)
{
if (unlikely(env->dcr_env == NULL)) {
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
- do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL);
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
} else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) {
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "DCR write error %d %03x\n", (int)T0, (int)T0);
}
- do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG);
+ do_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
}
}
+#if !defined(CONFIG_USER_ONLY)
+void do_40x_rfci (void)
+{
+ __do_rfi(env->spr[SPR_40x_SRR2], env->spr[SPR_40x_SRR3],
+ ~((target_ulong)0xFFFF0000), 0);
+}
+
+void do_rfci (void)
+{
+ __do_rfi(env->spr[SPR_BOOKE_CSRR0], SPR_BOOKE_CSRR1,
+ ~((target_ulong)0x3FFF0000), 0);
+}
+
+void do_rfdi (void)
+{
+ __do_rfi(env->spr[SPR_BOOKE_DSRR0], SPR_BOOKE_DSRR1,
+ ~((target_ulong)0x3FFF0000), 0);
+}
+
+void do_rfmci (void)
+{
+ __do_rfi(env->spr[SPR_BOOKE_MCSRR0], SPR_BOOKE_MCSRR1,
+ ~((target_ulong)0x3FFF0000), 0);
+}
+
void do_load_403_pb (int num)
{
T0 = env->pb[num];
T0 = i;
}
-#if defined(TARGET_PPCSPE)
+#if defined(TARGET_PPCEMB)
/* SPE extension helpers */
/* Use a table to make this quicker */
static uint8_t hbrev[16] = {
0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF,
};
-static inline uint8_t byte_reverse (uint8_t val)
+static always_inline uint8_t byte_reverse (uint8_t val)
{
return hbrev[val >> 4] | (hbrev[val & 0xF] << 4);
}
-static inline uint32_t word_reverse (uint32_t val)
+static always_inline uint32_t word_reverse (uint32_t val)
{
return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) |
(byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24);
}
/* Fixed-point vector arithmetic */
-static inline uint32_t _do_eabs (uint32_t val)
+static always_inline uint32_t _do_eabs (uint32_t val)
{
if (val != 0x80000000)
val &= ~0x80000000;
return val;
}
-static inline uint32_t _do_eaddw (uint32_t op1, uint32_t op2)
+static always_inline uint32_t _do_eaddw (uint32_t op1, uint32_t op2)
{
return op1 + op2;
}
-static inline int _do_ecntlsw (uint32_t val)
+static always_inline int _do_ecntlsw (uint32_t val)
{
if (val & 0x80000000)
- return _do_cntlzw(~val);
+ return clz32(~val);
else
- return _do_cntlzw(val);
+ return clz32(val);
}
-static inline int _do_ecntlzw (uint32_t val)
+static always_inline int _do_ecntlzw (uint32_t val)
{
- return _do_cntlzw(val);
+ return clz32(val);
}
-static inline uint32_t _do_eneg (uint32_t val)
+static always_inline uint32_t _do_eneg (uint32_t val)
{
if (val != 0x80000000)
val ^= 0x80000000;
return val;
}
-static inline uint32_t _do_erlw (uint32_t op1, uint32_t op2)
+static always_inline uint32_t _do_erlw (uint32_t op1, uint32_t op2)
{
return rotl32(op1, op2);
}
-static inline uint32_t _do_erndw (uint32_t val)
+static always_inline uint32_t _do_erndw (uint32_t val)
{
return (val + 0x000080000000) & 0xFFFF0000;
}
-static inline uint32_t _do_eslw (uint32_t op1, uint32_t op2)
+static always_inline uint32_t _do_eslw (uint32_t op1, uint32_t op2)
{
/* No error here: 6 bits are used */
return op1 << (op2 & 0x3F);
}
-static inline int32_t _do_esrws (int32_t op1, uint32_t op2)
+static always_inline int32_t _do_esrws (int32_t op1, uint32_t op2)
{
/* No error here: 6 bits are used */
return op1 >> (op2 & 0x3F);
}
-static inline uint32_t _do_esrwu (uint32_t op1, uint32_t op2)
+static always_inline uint32_t _do_esrwu (uint32_t op1, uint32_t op2)
{
/* No error here: 6 bits are used */
return op1 >> (op2 & 0x3F);
}
-static inline uint32_t _do_esubfw (uint32_t op1, uint32_t op2)
+static always_inline uint32_t _do_esubfw (uint32_t op1, uint32_t op2)
{
return op2 - op1;
}
DO_SPE_OP2(subfw);
/* evsel is a little bit more complicated... */
-static inline uint32_t _do_esel (uint32_t op1, uint32_t op2, int n)
+static always_inline uint32_t _do_esel (uint32_t op1, uint32_t op2, int n)
{
if (n)
return op1;
_do_e##name(T0_64, T1_64)); \
}
-static inline uint32_t _do_evcmp_merge (int t0, int t1)
+static always_inline uint32_t _do_evcmp_merge (int t0, int t1)
{
return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1);
}
-static inline int _do_ecmpeq (uint32_t op1, uint32_t op2)
+static always_inline int _do_ecmpeq (uint32_t op1, uint32_t op2)
{
return op1 == op2 ? 1 : 0;
}
-static inline int _do_ecmpgts (int32_t op1, int32_t op2)
+static always_inline int _do_ecmpgts (int32_t op1, int32_t op2)
{
return op1 > op2 ? 1 : 0;
}
-static inline int _do_ecmpgtu (uint32_t op1, uint32_t op2)
+static always_inline int _do_ecmpgtu (uint32_t op1, uint32_t op2)
{
return op1 > op2 ? 1 : 0;
}
-static inline int _do_ecmplts (int32_t op1, int32_t op2)
+static always_inline int _do_ecmplts (int32_t op1, int32_t op2)
{
return op1 < op2 ? 1 : 0;
}
-static inline int _do_ecmpltu (uint32_t op1, uint32_t op2)
+static always_inline int _do_ecmpltu (uint32_t op1, uint32_t op2)
{
return op1 < op2 ? 1 : 0;
}
DO_SPE_CMP(cmpltu);
/* Single precision floating-point conversions from/to integer */
-static inline uint32_t _do_efscfsi (int32_t val)
+static always_inline uint32_t _do_efscfsi (int32_t val)
{
union {
uint32_t u;
return u.u;
}
-static inline uint32_t _do_efscfui (uint32_t val)
+static always_inline uint32_t _do_efscfui (uint32_t val)
{
union {
uint32_t u;
return u.u;
}
-static inline int32_t _do_efsctsi (uint32_t val)
+static always_inline int32_t _do_efsctsi (uint32_t val)
{
union {
int32_t u;
return float32_to_int32(u.f, &env->spe_status);
}
-static inline uint32_t _do_efsctui (uint32_t val)
+static always_inline uint32_t _do_efsctui (uint32_t val)
{
union {
int32_t u;
return float32_to_uint32(u.f, &env->spe_status);
}
-static inline int32_t _do_efsctsiz (uint32_t val)
+static always_inline int32_t _do_efsctsiz (uint32_t val)
{
union {
int32_t u;
return float32_to_int32_round_to_zero(u.f, &env->spe_status);
}
-static inline uint32_t _do_efsctuiz (uint32_t val)
+static always_inline uint32_t _do_efsctuiz (uint32_t val)
{
union {
int32_t u;
}
/* Single precision floating-point conversion to/from fractional */
-static inline uint32_t _do_efscfsf (uint32_t val)
+static always_inline uint32_t _do_efscfsf (uint32_t val)
{
union {
uint32_t u;
return u.u;
}
-static inline uint32_t _do_efscfuf (uint32_t val)
+static always_inline uint32_t _do_efscfuf (uint32_t val)
{
union {
uint32_t u;
return u.u;
}
-static inline int32_t _do_efsctsf (uint32_t val)
+static always_inline int32_t _do_efsctsf (uint32_t val)
{
union {
int32_t u;
return float32_to_int32(u.f, &env->spe_status);
}
-static inline uint32_t _do_efsctuf (uint32_t val)
+static always_inline uint32_t _do_efsctuf (uint32_t val)
{
union {
int32_t u;
return float32_to_uint32(u.f, &env->spe_status);
}
-static inline int32_t _do_efsctsfz (uint32_t val)
+static always_inline int32_t _do_efsctsfz (uint32_t val)
{
union {
int32_t u;
return float32_to_int32_round_to_zero(u.f, &env->spe_status);
}
-static inline uint32_t _do_efsctufz (uint32_t val)
+static always_inline uint32_t _do_efsctufz (uint32_t val)
{
union {
int32_t u;
}
/* Double precision floating point helpers */
-static inline int _do_efdcmplt (uint64_t op1, uint64_t op2)
+static always_inline int _do_efdcmplt (uint64_t op1, uint64_t op2)
{
/* XXX: TODO: test special values (NaN, infinites, ...) */
return _do_efdtstlt(op1, op2);
}
-static inline int _do_efdcmpgt (uint64_t op1, uint64_t op2)
+static always_inline int _do_efdcmpgt (uint64_t op1, uint64_t op2)
{
/* XXX: TODO: test special values (NaN, infinites, ...) */
return _do_efdtstgt(op1, op2);
}
-static inline int _do_efdcmpeq (uint64_t op1, uint64_t op2)
+static always_inline int _do_efdcmpeq (uint64_t op1, uint64_t op2)
{
/* XXX: TODO: test special values (NaN, infinites, ...) */
return _do_efdtsteq(op1, op2);
}
/* Double precision floating-point conversion to/from integer */
-static inline uint64_t _do_efdcfsi (int64_t val)
+static always_inline uint64_t _do_efdcfsi (int64_t val)
{
union {
uint64_t u;
return u.u;
}
-static inline uint64_t _do_efdcfui (uint64_t val)
+static always_inline uint64_t _do_efdcfui (uint64_t val)
{
union {
uint64_t u;
return u.u;
}
-static inline int64_t _do_efdctsi (uint64_t val)
+static always_inline int64_t _do_efdctsi (uint64_t val)
{
union {
int64_t u;
return float64_to_int64(u.f, &env->spe_status);
}
-static inline uint64_t _do_efdctui (uint64_t val)
+static always_inline uint64_t _do_efdctui (uint64_t val)
{
union {
int64_t u;
return float64_to_uint64(u.f, &env->spe_status);
}
-static inline int64_t _do_efdctsiz (uint64_t val)
+static always_inline int64_t _do_efdctsiz (uint64_t val)
{
union {
int64_t u;
return float64_to_int64_round_to_zero(u.f, &env->spe_status);
}
-static inline uint64_t _do_efdctuiz (uint64_t val)
+static always_inline uint64_t _do_efdctuiz (uint64_t val)
{
union {
int64_t u;
}
/* Double precision floating-point conversion to/from fractional */
-static inline uint64_t _do_efdcfsf (int64_t val)
+static always_inline uint64_t _do_efdcfsf (int64_t val)
{
union {
uint64_t u;
return u.u;
}
-static inline uint64_t _do_efdcfuf (uint64_t val)
+static always_inline uint64_t _do_efdcfuf (uint64_t val)
{
union {
uint64_t u;
return u.u;
}
-static inline int64_t _do_efdctsf (uint64_t val)
+static always_inline int64_t _do_efdctsf (uint64_t val)
{
union {
int64_t u;
return float64_to_int32(u.f, &env->spe_status);
}
-static inline uint64_t _do_efdctuf (uint64_t val)
+static always_inline uint64_t _do_efdctuf (uint64_t val)
{
union {
int64_t u;
return float64_to_uint32(u.f, &env->spe_status);
}
-static inline int64_t _do_efdctsfz (uint64_t val)
+static always_inline int64_t _do_efdctsfz (uint64_t val)
{
union {
int64_t u;
return float64_to_int32_round_to_zero(u.f, &env->spe_status);
}
-static inline uint64_t _do_efdctufz (uint64_t val)
+static always_inline uint64_t _do_efdctufz (uint64_t val)
{
union {
int64_t u;
}
/* Floating point conversion between single and double precision */
-static inline uint32_t _do_efscfd (uint64_t val)
+static always_inline uint32_t _do_efscfd (uint64_t val)
{
union {
uint64_t u;
return u2.u;
}
-static inline uint64_t _do_efdcfs (uint32_t val)
+static always_inline uint64_t _do_efdcfs (uint32_t val)
{
union {
uint64_t u;
DO_SPE_OP2(fsdiv);
/* Single-precision floating-point comparisons */
-static inline int _do_efscmplt (uint32_t op1, uint32_t op2)
+static always_inline int _do_efscmplt (uint32_t op1, uint32_t op2)
{
/* XXX: TODO: test special values (NaN, infinites, ...) */
return _do_efststlt(op1, op2);
}
-static inline int _do_efscmpgt (uint32_t op1, uint32_t op2)
+static always_inline int _do_efscmpgt (uint32_t op1, uint32_t op2)
{
/* XXX: TODO: test special values (NaN, infinites, ...) */
return _do_efststgt(op1, op2);
}
-static inline int _do_efscmpeq (uint32_t op1, uint32_t op2)
+static always_inline int _do_efscmpeq (uint32_t op1, uint32_t op2)
{
/* XXX: TODO: test special values (NaN, infinites, ...) */
return _do_efststeq(op1, op2);
DO_SPE_OP1(fsctsf);
/* evfsctuf */
DO_SPE_OP1(fsctuf);
-#endif /* defined(TARGET_PPCSPE) */
+#endif /* defined(TARGET_PPCEMB) */
/*****************************************************************************/
/* Softmmu support */
#if !defined (CONFIG_USER_ONLY)
#define MMUSUFFIX _mmu
-#define GETPC() (__builtin_return_address(0))
+#ifdef __s390__
+# define GETPC() ((void*)((unsigned long)__builtin_return_address(0) & 0x7fffffffUL))
+#else
+# define GETPC() (__builtin_return_address(0))
+#endif
#define SHIFT 0
#include "softmmu_template.h"
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;
generated code */
saved_env = env;
env = cpu_single_env;
- ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, is_user, 1);
+ ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
if (unlikely(ret != 0)) {
if (likely(retaddr)) {
/* now we have a real cpu fault */
- pc = (target_phys_addr_t)retaddr;
+ pc = (target_phys_addr_t)(unsigned long)retaddr;
tb = tb_find_pc(pc);
if (likely(tb)) {
/* the PC is inside the translated code. It means that we have
env = saved_env;
}
-/* TLB invalidation helpers */
-void do_tlbia (void)
-{
- ppc_tlb_invalidate_all(env);
-}
-
-void do_tlbie (void)
-{
- T0 = (uint32_t)T0;
-#if !defined(FLUSH_ALL_TLBS)
- if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_6xx)) {
- ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 0);
- if (env->id_tlbs == 1)
- ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 1);
- } else if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_4xx)) {
- /* XXX: TODO */
-#if 0
- ppcbooke_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK,
- env->spr[SPR_BOOKE_PID]);
-#endif
- } else {
- /* tlbie invalidate TLBs for all segments */
- T0 &= TARGET_PAGE_MASK;
- T0 &= ~((target_ulong)-1 << 28);
- /* XXX: this case should be optimized,
- * giving a mask to tlb_flush_page
- */
- tlb_flush_page(env, T0 | (0x0 << 28));
- tlb_flush_page(env, T0 | (0x1 << 28));
- tlb_flush_page(env, T0 | (0x2 << 28));
- tlb_flush_page(env, T0 | (0x3 << 28));
- tlb_flush_page(env, T0 | (0x4 << 28));
- tlb_flush_page(env, T0 | (0x5 << 28));
- tlb_flush_page(env, T0 | (0x6 << 28));
- tlb_flush_page(env, T0 | (0x7 << 28));
- tlb_flush_page(env, T0 | (0x8 << 28));
- tlb_flush_page(env, T0 | (0x9 << 28));
- tlb_flush_page(env, T0 | (0xA << 28));
- tlb_flush_page(env, T0 | (0xB << 28));
- tlb_flush_page(env, T0 | (0xC << 28));
- tlb_flush_page(env, T0 | (0xD << 28));
- tlb_flush_page(env, T0 | (0xE << 28));
- tlb_flush_page(env, T0 | (0xF << 28));
- }
-#else
- do_tlbia();
-#endif
-}
-
-#if defined(TARGET_PPC64)
-void do_tlbie_64 (void)
-{
- T0 = (uint64_t)T0;
-#if !defined(FLUSH_ALL_TLBS)
- if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_6xx)) {
- ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 0);
- if (env->id_tlbs == 1)
- ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 1);
- } else if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_4xx)) {
- /* XXX: TODO */
-#if 0
- ppcbooke_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK,
- env->spr[SPR_BOOKE_PID]);
-#endif
- } else {
- /* tlbie invalidate TLBs for all segments
- * As we have 2^36 segments, invalidate all qemu TLBs
- */
-#if 0
- T0 &= TARGET_PAGE_MASK;
- T0 &= ~((target_ulong)-1 << 28);
- /* XXX: this case should be optimized,
- * giving a mask to tlb_flush_page
- */
- tlb_flush_page(env, T0 | (0x0 << 28));
- tlb_flush_page(env, T0 | (0x1 << 28));
- tlb_flush_page(env, T0 | (0x2 << 28));
- tlb_flush_page(env, T0 | (0x3 << 28));
- tlb_flush_page(env, T0 | (0x4 << 28));
- tlb_flush_page(env, T0 | (0x5 << 28));
- tlb_flush_page(env, T0 | (0x6 << 28));
- tlb_flush_page(env, T0 | (0x7 << 28));
- tlb_flush_page(env, T0 | (0x8 << 28));
- tlb_flush_page(env, T0 | (0x9 << 28));
- tlb_flush_page(env, T0 | (0xA << 28));
- tlb_flush_page(env, T0 | (0xB << 28));
- tlb_flush_page(env, T0 | (0xC << 28));
- tlb_flush_page(env, T0 | (0xD << 28));
- tlb_flush_page(env, T0 | (0xE << 28));
- tlb_flush_page(env, T0 | (0xF << 28));
-#else
- tlb_flush(env, 1);
-#endif
- }
-#else
- do_tlbia();
-#endif
-}
-#endif
-
-#if defined(TARGET_PPC64)
-void do_slbia (void)
-{
- /* XXX: TODO */
- tlb_flush(env, 1);
-}
-
-void do_slbie (void)
-{
- /* XXX: TODO */
- tlb_flush(env, 1);
-}
-#endif
-
/* Software driven TLBs management */
/* PowerPC 602/603 software TLB load instructions helpers */
void do_load_6xx_tlb (int is_code)
way, is_code, CMP, RPN);
}
-static target_ulong booke_tlb_to_page_size (int size)
+void do_load_74xx_tlb (int is_code)
+{
+ target_ulong RPN, CMP, EPN;
+ int way;
+
+ RPN = env->spr[SPR_PTELO];
+ CMP = env->spr[SPR_PTEHI];
+ EPN = env->spr[SPR_TLBMISS] & ~0x3;
+ way = env->spr[SPR_TLBMISS] & 0x3;
+#if defined (DEBUG_SOFTWARE_TLB)
+ if (loglevel != 0) {
+ fprintf(logfile, "%s: EPN %08lx %08lx PTE0 %08lx PTE1 %08lx way %d\n",
+ __func__, (unsigned long)T0, (unsigned long)EPN,
+ (unsigned long)CMP, (unsigned long)RPN, way);
+ }
+#endif
+ /* Store this TLB */
+ ppc6xx_tlb_store(env, (uint32_t)(T0 & TARGET_PAGE_MASK),
+ way, is_code, CMP, RPN);
+}
+
+static always_inline target_ulong booke_tlb_to_page_size (int size)
{
return 1024 << (2 * size);
}
-static int booke_page_size_to_tlb (target_ulong page_size)
+static always_inline int booke_page_size_to_tlb (target_ulong page_size)
{
int size;
T0 |= 0x100;
}
-void do_4xx_tlbsx (void)
-{
- T0 = ppcemb_tlb_search(env, T0);
-}
-
-void do_4xx_tlbsx_ (void)
-{
- int tmp = xer_ov;
-
- T0 = ppcemb_tlb_search(env, T0);
- if (T0 != -1)
- tmp |= 0x02;
- env->crf[0] = tmp;
-}
-
void do_4xx_tlbwe_hi (void)
{
ppcemb_tlb_t *tlb;
target_ulong page, end;
#if defined (DEBUG_SOFTWARE_TLB)
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "%s T0 " REGX " T1 " REGX "\n", __func__, T0, T1);
}
#endif
if (tlb->prot & PAGE_VALID) {
end = tlb->EPN + tlb->size;
#if defined (DEBUG_SOFTWARE_TLB)
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "%s: invalidate old TLB %d start " ADDRX
" end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end);
}
* of the ppc or ppc64 one
*/
if ((T1 & 0x40) && tlb->size < TARGET_PAGE_SIZE) {
- cpu_abort(env, "TLB size %u < %u are not supported (%d)\n",
+ cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u "
+ "are not supported (%d)\n",
tlb->size, TARGET_PAGE_SIZE, (int)((T1 >> 7) & 0x7));
}
- tlb->EPN = (T1 & 0xFFFFFC00) & ~(tlb->size - 1);
+ tlb->EPN = T1 & ~(tlb->size - 1);
if (T1 & 0x40)
tlb->prot |= PAGE_VALID;
else
if (loglevel != 0) {
fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX
" size " ADDRX " prot %c%c%c%c PID %d\n", __func__,
- (int)T0, tlb->RPN, tlb->EPN, tlb->size,
+ (int)T0, tlb->RPN, tlb->EPN, tlb->size,
tlb->prot & PAGE_READ ? 'r' : '-',
tlb->prot & PAGE_WRITE ? 'w' : '-',
tlb->prot & PAGE_EXEC ? 'x' : '-',
if (tlb->prot & PAGE_VALID) {
end = tlb->EPN + tlb->size;
#if defined (DEBUG_SOFTWARE_TLB)
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "%s: invalidate TLB %d start " ADDRX
" end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end);
}
ppcemb_tlb_t *tlb;
#if defined (DEBUG_SOFTWARE_TLB)
- if (loglevel) {
+ if (loglevel != 0) {
fprintf(logfile, "%s T0 " REGX " T1 " REGX "\n", __func__, T0, T1);
}
#endif
if (T1 & 0x100)
tlb->prot |= PAGE_WRITE;
#if defined (DEBUG_SOFTWARE_TLB)
- if (loglevel) {
- fprintf(logfile, "%s: set up TLB %d RPN " ADDRX " EPN " ADDRX
+ if (loglevel != 0) {
+ fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX
" size " ADDRX " prot %c%c%c%c PID %d\n", __func__,
- (int)T0, tlb->RPN, tlb->EPN, tlb->size,
+ (int)T0, tlb->RPN, tlb->EPN, tlb->size,
tlb->prot & PAGE_READ ? 'r' : '-',
tlb->prot & PAGE_WRITE ? 'w' : '-',
tlb->prot & PAGE_EXEC ? 'x' : '-',
}
#endif
}
+
+/* PowerPC 440 TLB management */
+void do_440_tlbwe (int word)
+{
+ ppcemb_tlb_t *tlb;
+ target_ulong EPN, RPN, size;
+ int do_flush_tlbs;
+
+#if defined (DEBUG_SOFTWARE_TLB)
+ if (loglevel != 0) {
+ fprintf(logfile, "%s word %d T0 " REGX " T1 " REGX "\n",
+ __func__, word, T0, T1);
+ }
+#endif
+ do_flush_tlbs = 0;
+ T0 &= 0x3F;
+ tlb = &env->tlb[T0].tlbe;
+ switch (word) {
+ default:
+ /* Just here to please gcc */
+ case 0:
+ EPN = T1 & 0xFFFFFC00;
+ if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN)
+ do_flush_tlbs = 1;
+ tlb->EPN = EPN;
+ size = booke_tlb_to_page_size((T1 >> 4) & 0xF);
+ if ((tlb->prot & PAGE_VALID) && tlb->size < size)
+ do_flush_tlbs = 1;
+ tlb->size = size;
+ tlb->attr &= ~0x1;
+ tlb->attr |= (T1 >> 8) & 1;
+ if (T1 & 0x200) {
+ tlb->prot |= PAGE_VALID;
+ } else {
+ if (tlb->prot & PAGE_VALID) {
+ tlb->prot &= ~PAGE_VALID;
+ do_flush_tlbs = 1;
+ }
+ }
+ tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF;
+ if (do_flush_tlbs)
+ tlb_flush(env, 1);
+ break;
+ case 1:
+ RPN = T1 & 0xFFFFFC0F;
+ if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN)
+ tlb_flush(env, 1);
+ tlb->RPN = RPN;
+ break;
+ case 2:
+ tlb->attr = (tlb->attr & 0x1) | (T1 & 0x0000FF00);
+ tlb->prot = tlb->prot & PAGE_VALID;
+ if (T1 & 0x1)
+ tlb->prot |= PAGE_READ << 4;
+ if (T1 & 0x2)
+ tlb->prot |= PAGE_WRITE << 4;
+ if (T1 & 0x4)
+ tlb->prot |= PAGE_EXEC << 4;
+ if (T1 & 0x8)
+ tlb->prot |= PAGE_READ;
+ if (T1 & 0x10)
+ tlb->prot |= PAGE_WRITE;
+ if (T1 & 0x20)
+ tlb->prot |= PAGE_EXEC;
+ break;
+ }
+}
+
+void do_440_tlbre (int word)
+{
+ ppcemb_tlb_t *tlb;
+ int size;
+
+ T0 &= 0x3F;
+ tlb = &env->tlb[T0].tlbe;
+ switch (word) {
+ default:
+ /* Just here to please gcc */
+ case 0:
+ T0 = tlb->EPN;
+ size = booke_page_size_to_tlb(tlb->size);
+ if (size < 0 || size > 0xF)
+ size = 1;
+ T0 |= size << 4;
+ if (tlb->attr & 0x1)
+ T0 |= 0x100;
+ if (tlb->prot & PAGE_VALID)
+ T0 |= 0x200;
+ env->spr[SPR_440_MMUCR] &= ~0x000000FF;
+ env->spr[SPR_440_MMUCR] |= tlb->PID;
+ break;
+ case 1:
+ T0 = tlb->RPN;
+ break;
+ case 2:
+ T0 = tlb->attr & ~0x1;
+ if (tlb->prot & (PAGE_READ << 4))
+ T0 |= 0x1;
+ if (tlb->prot & (PAGE_WRITE << 4))
+ T0 |= 0x2;
+ if (tlb->prot & (PAGE_EXEC << 4))
+ T0 |= 0x4;
+ if (tlb->prot & PAGE_READ)
+ T0 |= 0x8;
+ if (tlb->prot & PAGE_WRITE)
+ T0 |= 0x10;
+ if (tlb->prot & PAGE_EXEC)
+ T0 |= 0x20;
+ break;
+ }
+}
#endif /* !CONFIG_USER_ONLY */
projects / qemu.git / blobdiff