*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
*/
#include "exec.h"
#include "host-utils.h"
#include "helper.h"
#include "helper_regs.h"
-#include "op_helper.h"
//#define DEBUG_OP
//#define DEBUG_EXCEPTIONS
void helper_raise_exception_err (uint32_t exception, uint32_t error_code)
{
- raise_exception_err(env, exception, error_code);
+#if 0
+ printf("Raise exception %3x code : %d\n", exception, error_code);
+#endif
+ env->exception_index = exception;
+ env->error_code = error_code;
+ cpu_loop_exit();
}
-void helper_raise_debug (void)
+void helper_raise_exception (uint32_t exception)
{
- raise_exception(env, EXCP_DEBUG);
+ helper_raise_exception_err(exception, 0);
}
/*****************************************************************************/
}
}
-#if defined(TARGET_PPC64)
-void do_store_pri (int prio)
+/*****************************************************************************/
+/* SPR accesses */
+void helper_load_dump_spr (uint32_t sprn)
{
- env->spr[SPR_PPR] &= ~0x001C000000000000ULL;
- env->spr[SPR_PPR] |= ((uint64_t)prio & 0x7) << 50;
+ if (loglevel != 0) {
+ fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n",
+ sprn, sprn, env->spr[sprn]);
+ }
}
-#endif
-target_ulong ppc_load_dump_spr (int sprn)
+void helper_store_dump_spr (uint32_t sprn)
{
if (loglevel != 0) {
- fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n",
+ fprintf(logfile, "Write SPR %d %03x <= " ADDRX "\n",
sprn, sprn, env->spr[sprn]);
}
+}
- return env->spr[sprn];
+target_ulong helper_load_tbl (void)
+{
+ return cpu_ppc_load_tbl(env);
}
-void ppc_store_dump_spr (int sprn, target_ulong val)
+target_ulong helper_load_tbu (void)
{
- if (loglevel != 0) {
- fprintf(logfile, "Write SPR %d %03x => " ADDRX " <= " ADDRX "\n",
- sprn, sprn, env->spr[sprn], val);
+ return cpu_ppc_load_tbu(env);
+}
+
+target_ulong helper_load_atbl (void)
+{
+ return cpu_ppc_load_atbl(env);
+}
+
+target_ulong helper_load_atbu (void)
+{
+ return cpu_ppc_load_atbu(env);
+}
+
+target_ulong helper_load_601_rtcl (void)
+{
+ return cpu_ppc601_load_rtcl(env);
+}
+
+target_ulong helper_load_601_rtcu (void)
+{
+ return cpu_ppc601_load_rtcu(env);
+}
+
+#if !defined(CONFIG_USER_ONLY)
+#if defined (TARGET_PPC64)
+void helper_store_asr (target_ulong val)
+{
+ ppc_store_asr(env, val);
+}
+#endif
+
+void helper_store_sdr1 (target_ulong val)
+{
+ ppc_store_sdr1(env, val);
+}
+
+void helper_store_tbl (target_ulong val)
+{
+ cpu_ppc_store_tbl(env, val);
+}
+
+void helper_store_tbu (target_ulong val)
+{
+ cpu_ppc_store_tbu(env, val);
+}
+
+void helper_store_atbl (target_ulong val)
+{
+ cpu_ppc_store_atbl(env, val);
+}
+
+void helper_store_atbu (target_ulong val)
+{
+ cpu_ppc_store_atbu(env, val);
+}
+
+void helper_store_601_rtcl (target_ulong val)
+{
+ cpu_ppc601_store_rtcl(env, val);
+}
+
+void helper_store_601_rtcu (target_ulong val)
+{
+ cpu_ppc601_store_rtcu(env, val);
+}
+
+target_ulong helper_load_decr (void)
+{
+ return cpu_ppc_load_decr(env);
+}
+
+void helper_store_decr (target_ulong val)
+{
+ cpu_ppc_store_decr(env, val);
+}
+
+void helper_store_hid0_601 (target_ulong val)
+{
+ target_ulong hid0;
+
+ hid0 = env->spr[SPR_HID0];
+ if ((val ^ hid0) & 0x00000008) {
+ /* Change current endianness */
+ env->hflags &= ~(1 << MSR_LE);
+ env->hflags_nmsr &= ~(1 << MSR_LE);
+ env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE);
+ env->hflags |= env->hflags_nmsr;
+ if (loglevel != 0) {
+ fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n",
+ __func__, val & 0x8 ? 'l' : 'b', env->hflags);
+ }
+ }
+ env->spr[SPR_HID0] = (uint32_t)val;
+}
+
+void helper_store_403_pbr (uint32_t num, target_ulong value)
+{
+ if (likely(env->pb[num] != value)) {
+ env->pb[num] = value;
+ /* Should be optimized */
+ tlb_flush(env, 1);
}
- env->spr[sprn] = val;
}
+target_ulong helper_load_40x_pit (void)
+{
+ return load_40x_pit(env);
+}
+
+void helper_store_40x_pit (target_ulong val)
+{
+ store_40x_pit(env, val);
+}
+
+void helper_store_40x_dbcr0 (target_ulong val)
+{
+ store_40x_dbcr0(env, val);
+}
+
+void helper_store_40x_sler (target_ulong val)
+{
+ store_40x_sler(env, val);
+}
+
+void helper_store_booke_tcr (target_ulong val)
+{
+ store_booke_tcr(env, val);
+}
+
+void helper_store_booke_tsr (target_ulong val)
+{
+ store_booke_tsr(env, val);
+}
+
+void helper_store_ibatu (uint32_t nr, target_ulong val)
+{
+ ppc_store_ibatu(env, nr, val);
+}
+
+void helper_store_ibatl (uint32_t nr, target_ulong val)
+{
+ ppc_store_ibatl(env, nr, val);
+}
+
+void helper_store_dbatu (uint32_t nr, target_ulong val)
+{
+ ppc_store_dbatu(env, nr, val);
+}
+
+void helper_store_dbatl (uint32_t nr, target_ulong val)
+{
+ ppc_store_dbatl(env, nr, val);
+}
+
+void helper_store_601_batl (uint32_t nr, target_ulong val)
+{
+ ppc_store_ibatl_601(env, nr, val);
+}
+
+void helper_store_601_batu (uint32_t nr, target_ulong val)
+{
+ ppc_store_ibatu_601(env, nr, val);
+}
+#endif
+
/*****************************************************************************/
/* Memory load and stores */
-static always_inline target_ulong get_addr(target_ulong addr)
+static always_inline target_ulong addr_add(target_ulong addr, target_long arg)
{
#if defined(TARGET_PPC64)
- if (msr_sf)
- return addr;
+ if (!msr_sf)
+ return (uint32_t)(addr + arg);
else
#endif
- return (uint32_t)addr;
+ return addr + arg;
}
void helper_lmw (target_ulong addr, uint32_t reg)
{
- for (; reg < 32; reg++, addr += 4) {
+ for (; reg < 32; reg++) {
if (msr_le)
- env->gpr[reg] = bswap32(ldl(get_addr(addr)));
+ env->gpr[reg] = bswap32(ldl(addr));
else
- env->gpr[reg] = ldl(get_addr(addr));
+ env->gpr[reg] = ldl(addr);
+ addr = addr_add(addr, 4);
}
}
void helper_stmw (target_ulong addr, uint32_t reg)
{
- for (; reg < 32; reg++, addr += 4) {
+ for (; reg < 32; reg++) {
if (msr_le)
- stl(get_addr(addr), bswap32((uint32_t)env->gpr[reg]));
+ stl(addr, bswap32((uint32_t)env->gpr[reg]));
else
- stl(get_addr(addr), (uint32_t)env->gpr[reg]);
+ stl(addr, (uint32_t)env->gpr[reg]);
+ addr = addr_add(addr, 4);
}
}
void helper_lsw(target_ulong addr, uint32_t nb, uint32_t reg)
{
int sh;
- for (; nb > 3; nb -= 4, addr += 4) {
- env->gpr[reg] = ldl(get_addr(addr));
+ for (; nb > 3; nb -= 4) {
+ env->gpr[reg] = ldl(addr);
reg = (reg + 1) % 32;
+ addr = addr_add(addr, 4);
}
if (unlikely(nb > 0)) {
env->gpr[reg] = 0;
- for (sh = 24; nb > 0; nb--, addr++, sh -= 8) {
- env->gpr[reg] |= ldub(get_addr(addr)) << sh;
+ for (sh = 24; nb > 0; nb--, sh -= 8) {
+ env->gpr[reg] |= ldub(addr) << sh;
+ addr = addr_add(addr, 1);
}
}
}
if (likely(xer_bc != 0)) {
if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) ||
(reg < rb && (reg + xer_bc) > rb))) {
- raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_INVAL_LSWX);
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL |
+ POWERPC_EXCP_INVAL_LSWX);
} else {
helper_lsw(addr, xer_bc, reg);
}
void helper_stsw(target_ulong addr, uint32_t nb, uint32_t reg)
{
int sh;
- for (; nb > 3; nb -= 4, addr += 4) {
- stl(get_addr(addr), env->gpr[reg]);
+ for (; nb > 3; nb -= 4) {
+ stl(addr, env->gpr[reg]);
reg = (reg + 1) % 32;
+ addr = addr_add(addr, 4);
}
if (unlikely(nb > 0)) {
- for (sh = 24; nb > 0; nb--, addr++, sh -= 8)
- stb(get_addr(addr), (env->gpr[reg] >> sh) & 0xFF);
+ for (sh = 24; nb > 0; nb--, sh -= 8) {
+ stb(addr, (env->gpr[reg] >> sh) & 0xFF);
+ addr = addr_add(addr, 1);
+ }
}
}
static void do_dcbz(target_ulong addr, int dcache_line_size)
{
- target_long mask = get_addr(~(dcache_line_size - 1));
+ addr &= ~(dcache_line_size - 1);
int i;
- addr &= mask;
for (i = 0 ; i < dcache_line_size ; i += 4) {
stl(addr + i , 0);
}
- if ((env->reserve & mask) == addr)
+ if (env->reserve == addr)
env->reserve = (target_ulong)-1ULL;
}
{
uint32_t tmp;
- addr = get_addr(addr & ~(env->dcache_line_size - 1));
+ 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,
int i, c, d;
d = 24;
for (i = 0; i < xer_bc; i++) {
- c = ldub((uint32_t)addr++);
+ c = ldub(addr);
+ addr = addr_add(addr, 1);
/* ra (if not 0) and rb are never modified */
if (likely(reg != rb && (ra == 0 || reg != ra))) {
env->gpr[reg] = (env->gpr[reg] & ~(0xFF << d)) | (c << d);
return f.l;
}
-static always_inline int fpisneg (float64 d)
-{
- CPU_DoubleU u;
-
- u.d = d;
-
- return u.ll >> 63 != 0;
-}
-
static always_inline int isden (float64 d)
{
CPU_DoubleU u;
return ((u.ll >> 52) & 0x7FF) == 0;
}
-static always_inline int iszero (float64 d)
-{
- CPU_DoubleU u;
-
- u.d = d;
-
- return (u.ll & ~0x8000000000000000ULL) == 0;
-}
-
-static always_inline int isinfinity (float64 d)
-{
- CPU_DoubleU u;
-
- u.d = d;
-
- return ((u.ll >> 52) & 0x7FF) == 0x7FF &&
- (u.ll & 0x000FFFFFFFFFFFFFULL) == 0;
-}
-
-#ifdef CONFIG_SOFTFLOAT
-static always_inline int isfinite (float64 d)
-{
- CPU_DoubleU u;
-
- u.d = d;
-
- return (((u.ll >> 52) & 0x7FF) != 0x7FF);
-}
-
-static always_inline int isnormal (float64 d)
-{
- CPU_DoubleU u;
-
- u.d = d;
-
- uint32_t exp = (u.ll >> 52) & 0x7FF;
- return ((0 < exp) && (exp < 0x7FF));
-}
-#endif
-
uint32_t helper_compute_fprf (uint64_t arg, uint32_t set_fprf)
{
CPU_DoubleU farg;
int isneg;
int ret;
farg.ll = arg;
- isneg = fpisneg(farg.d);
+ isneg = float64_is_neg(farg.d);
if (unlikely(float64_is_nan(farg.d))) {
if (float64_is_signaling_nan(farg.d)) {
/* Signaling NaN: flags are undefined */
/* Quiet NaN */
ret = 0x11;
}
- } else if (unlikely(isinfinity(farg.d))) {
+ } else if (unlikely(float64_is_infinity(farg.d))) {
/* +/- infinity */
if (isneg)
ret = 0x09;
else
ret = 0x05;
} else {
- if (iszero(farg.d)) {
+ if (float64_is_zero(farg.d)) {
/* +/- zero */
if (isneg)
ret = 0x12;
int ve;
ve = fpscr_ve;
- if (op & POWERPC_EXCP_FP_VXSNAN) {
- /* Operation on signaling NaN */
+ switch (op) {
+ case POWERPC_EXCP_FP_VXSNAN:
env->fpscr |= 1 << FPSCR_VXSNAN;
- }
- if (op & POWERPC_EXCP_FP_VXSOFT) {
- /* Software-defined condition */
+ break;
+ case POWERPC_EXCP_FP_VXSOFT:
env->fpscr |= 1 << FPSCR_VXSOFT;
- }
- switch (op & ~(POWERPC_EXCP_FP_VXSOFT | POWERPC_EXCP_FP_VXSNAN)) {
+ break;
case POWERPC_EXCP_FP_VXISI:
/* Magnitude subtraction of infinities */
env->fpscr |= 1 << FPSCR_VXISI;
env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
if (ve == 0) {
/* Set the result to quiet NaN */
- ret = UINT64_MAX;
+ ret = 0xFFF8000000000000ULL;
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 = UINT64_MAX;
+ ret = 0xFFF8000000000000ULL;
env->fpscr &= ~(0xF << FPSCR_FPCC);
env->fpscr |= 0x11 << FPSCR_FPCC;
}
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0)
- raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
}
return ret;
}
-static always_inline uint64_t float_zero_divide_excp (uint64_t arg1, uint64_t arg2)
+static always_inline void float_zero_divide_excp (void)
{
env->fpscr |= 1 << FPSCR_ZX;
env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0) {
- raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
}
- } else {
- /* Set the result to infinity */
- arg1 = ((arg1 ^ arg2) & 0x8000000000000000ULL);
- arg1 |= 0x7FFULL << 52;
}
- return arg1;
}
static always_inline void float_overflow_excp (void)
set_float_rounding_mode(rnd_type, &env->fp_status);
}
+void helper_fpscr_clrbit (uint32_t bit)
+{
+ int prev;
+
+ prev = (env->fpscr >> bit) & 1;
+ env->fpscr &= ~(1 << bit);
+ if (prev == 1) {
+ switch (bit) {
+ case FPSCR_RN1:
+ case FPSCR_RN:
+ fpscr_set_rounding_mode();
+ break;
+ default:
+ break;
+ }
+ }
+}
+
void helper_fpscr_setbit (uint32_t bit)
{
int prev;
prev = env->fpscr;
new = (uint32_t)arg;
- new &= ~0x90000000;
- new |= prev & 0x90000000;
- for (i = 0; i < 7; i++) {
+ new &= ~0x60000000;
+ new |= prev & 0x60000000;
+ for (i = 0; i < 8; i++) {
if (mask & (1 << i)) {
env->fpscr &= ~(0xF << (4 * i));
env->fpscr |= new & (0xF << (4 * i));
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
if (msr_fe0 != 0 || msr_fe1 != 0)
- raise_exception_err(env, 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();
+ helper_raise_exception_err(env->exception_index, env->error_code);
+ } else {
+ int status = get_float_exception_flags(&env->fp_status);
+ if (status & float_flag_divbyzero) {
+ float_zero_divide_excp();
+ } else if (status & float_flag_overflow) {
+ float_overflow_excp();
+ } else if (status & float_flag_underflow) {
+ float_underflow_excp();
+ } else if (status & float_flag_inexact) {
+ 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)
- raise_exception_err(env, env->exception_index, env->error_code);
+ helper_raise_exception_err(env->exception_index, env->error_code);
}
- RETURN();
#endif
}
#ifdef CONFIG_SOFTFLOAT
void helper_reset_fpstatus (void)
{
- env->fp_status.float_exception_flags = 0;
+ set_float_exception_flags(0, &env->fp_status);
}
#endif
float64_is_signaling_nan(farg2.d))) {
/* sNaN addition */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (likely(isfinite(farg1.d) || isfinite(farg2.d) ||
- fpisneg(farg1.d) == fpisneg(farg2.d))) {
- farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
- } else {
+ } else 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);
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ } else {
+ farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
}
#else
farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
float64_is_signaling_nan(farg2.d))) {
/* sNaN subtraction */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (likely(isfinite(farg1.d) || isfinite(farg2.d) ||
- fpisneg(farg1.d) != fpisneg(farg2.d))) {
- farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
- } else {
+ } else 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 {
+ farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
}
}
#else
float64_is_signaling_nan(farg2.d))) {
/* sNaN multiplication */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely((isinfinity(farg1.d) && iszero(farg2.d)) ||
- (iszero(farg1.d) && isinfinity(farg2.d)))) {
+ } else 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 {
farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
}
-}
#else
farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
#endif
float64_is_signaling_nan(farg2.d))) {
/* sNaN division */
farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(isinfinity(farg1.d) && isinfinity(farg2.d))) {
+ } else 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(iszero(farg2.d))) {
- if (iszero(farg1.d)) {
- /* Division of zero by zero */
- farg1.ll fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ);
- } else {
- /* Division by zero */
- farg1.ll = float_zero_divide_excp(farg1.d, farg2.d);
- }
+ } 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 {
farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
}
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) || isinfinity(farg.d))) {
+ } else if (unlikely(float64_is_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) || isinfinity(farg.d))) {
+ } else if (unlikely(float64_is_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) || isinfinity(farg.d))) {
+ } else if (unlikely(float64_is_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) || isinfinity(farg.d))) {
+ } else if (unlikely(float64_is_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) || isinfinity(farg.d))) {
+ } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity round */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
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)))) {
+ /* Multiplication of zero by infinity */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
#ifdef FLOAT128
/* This is the way the PowerPC specification defines it */
ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
- ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
- farg1.d = float128_to_float64(ft0_128, &env->fp_status);
+ if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
+ float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
+ /* Magnitude subtraction of infinities */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ } else {
+ ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
+ 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;
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)))) {
+ /* Multiplication of zero by infinity */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
#ifdef FLOAT128
/* This is the way the PowerPC specification defines it */
ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
- ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
- farg1.d = float128_to_float64(ft0_128, &env->fp_status);
+ if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
+ float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
+ /* Magnitude subtraction of infinities */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ } else {
+ ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
+ 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;
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)))) {
+ /* Multiplication of zero by infinity */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
#if USE_PRECISE_EMULATION
#ifdef FLOAT128
ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
- ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
- farg1.d= float128_to_float64(ft0_128, &env->fp_status);
+ if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
+ float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
+ /* Magnitude subtraction of infinities */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ } else {
+ ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
+ 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;
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(!isnan(farg1.d)))
+ if (likely(!float64_is_nan(farg1.d)))
farg1.d = float64_chs(farg1.d);
}
return farg1.ll;
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)))) {
+ /* Multiplication of zero by infinity */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
} else {
#if USE_PRECISE_EMULATION
#ifdef FLOAT128
ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
- ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
- ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
- farg1.d = float128_to_float64(ft0_128, &env->fp_status);
+ if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
+ float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
+ /* Magnitude subtraction of infinities */
+ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
+ } else {
+ ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
+ 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;
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(!isnan(farg1.d)))
+ if (likely(!float64_is_nan(farg1.d)))
farg1.d = float64_chs(farg1.d);
}
return farg1.ll;
uint64_t helper_frsp (uint64_t arg)
{
CPU_DoubleU farg;
+ float32 f32;
farg.ll = arg;
#if USE_PRECISE_EMULATION
/* sNaN square root */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
} else {
- fard.d = float64_to_float32(farg.d, &env->fp_status);
+ f32 = float64_to_float32(farg.d, &env->fp_status);
+ farg.d = float32_to_float64(f32, &env->fp_status);
}
#else
- farg.d = float64_to_float32(farg.d, &env->fp_status);
+ f32 = float64_to_float32(farg.d, &env->fp_status);
+ farg.d = float32_to_float64(f32, &env->fp_status);
#endif
return farg.ll;
}
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN square root */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(fpisneg(farg.d) && !iszero(farg.d))) {
+ } else 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 {
/* fre - fre. */
uint64_t helper_fre (uint64_t arg)
{
- CPU_DoubleU farg;
+ CPU_DoubleU fone, farg;
+ fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(iszero(farg.d))) {
- /* Zero reciprocal */
- farg.ll = float_zero_divide_excp(1.0, farg.d);
- } else if (likely(isnormal(farg.d))) {
- farg.d = float64_div(1.0, farg.d, &env->fp_status);
} else {
- if (farg.ll == 0x8000000000000000ULL) {
- farg.ll = 0xFFF0000000000000ULL;
- } else if (farg.ll == 0x0000000000000000ULL) {
- farg.ll = 0x7FF0000000000000ULL;
- } else if (isnan(farg.d)) {
- farg.ll = 0x7FF8000000000000ULL;
- } else if (fpisneg(farg.d)) {
- farg.ll = 0x8000000000000000ULL;
- } else {
- farg.ll = 0x0000000000000000ULL;
- }
+ farg.d = float64_div(fone.d, farg.d, &env->fp_status);
}
return farg.d;
}
/* fres - fres. */
uint64_t helper_fres (uint64_t arg)
{
- CPU_DoubleU farg;
+ CPU_DoubleU fone, farg;
+ float32 f32;
+ fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
- } else if (unlikely(iszero(farg.d))) {
- /* Zero reciprocal */
- farg.ll = float_zero_divide_excp(1.0, farg.d);
- } else if (likely(isnormal(farg.d))) {
-#if USE_PRECISE_EMULATION
- farg.d = float64_div(1.0, farg.d, &env->fp_status);
- farg.d = float64_to_float32(farg.d, &env->fp_status);
-#else
- farg.d = float32_div(1.0, farg.d, &env->fp_status);
-#endif
} else {
- if (farg.ll == 0x8000000000000000ULL) {
- farg.ll = 0xFFF0000000000000ULL;
- } else if (farg.ll == 0x0000000000000000ULL) {
- farg.ll = 0x7FF0000000000000ULL;
- } else if (isnan(farg.d)) {
- farg.ll = 0x7FF8000000000000ULL;
- } else if (fpisneg(farg.d)) {
- farg.ll = 0x8000000000000000ULL;
- } else {
- farg.ll = 0x0000000000000000ULL;
- }
+ farg.d = float64_div(fone.d, 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;
}
/* frsqrte - frsqrte. */
uint64_t helper_frsqrte (uint64_t arg)
{
- CPU_DoubleU farg;
+ CPU_DoubleU fone, farg;
+ float32 f32;
+ fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
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(fpisneg(farg.d) && !iszero(farg.d))) {
+ } else 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 (likely(isnormal(farg.d))) {
- farg.d = float64_sqrt(farg.d, &env->fp_status);
- farg.d = float32_div(1.0, farg.d, &env->fp_status);
} else {
- if (farg.ll == 0x8000000000000000ULL) {
- farg.ll = 0xFFF0000000000000ULL;
- } else if (farg.ll == 0x0000000000000000ULL) {
- farg.ll = 0x7FF0000000000000ULL;
- } else if (isnan(farg.d)) {
- farg.ll |= 0x000FFFFFFFFFFFFFULL;
- } else if (fpisneg(farg.d)) {
- farg.ll = 0x7FF8000000000000ULL;
- } else {
- farg.ll = 0x0000000000000000ULL;
- }
+ farg.d = float64_sqrt(farg.d, &env->fp_status);
+ farg.d = float64_div(fone.d, 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;
}
/* fsel - fsel. */
uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3)
{
- CPU_DoubleU farg1, farg2, farg3;
+ CPU_DoubleU farg1;
farg1.ll = arg1;
- farg2.ll = arg2;
- farg3.ll = arg3;
- if (!fpisneg(farg1.d) || iszero(farg1.d))
- return farg2.ll;
+ if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) && !float64_is_nan(farg1.d))
+ return arg2;
else
- return farg2.ll;
+ return arg3;
}
-uint32_t helper_fcmpu (uint64_t arg1, uint64_t arg2)
+void helper_fcmpu (uint64_t arg1, uint64_t arg2, uint32_t crfD)
{
CPU_DoubleU farg1, farg2;
uint32_t ret = 0;
farg1.ll = arg1;
farg2.ll = arg2;
- if (unlikely(float64_is_signaling_nan(farg1.d) ||
- float64_is_signaling_nan(farg2.d))) {
- /* sNaN comparison */
- fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ if (unlikely(float64_is_nan(farg1.d) ||
+ float64_is_nan(farg2.d))) {
+ ret = 0x01UL;
+ } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
+ ret = 0x08UL;
+ } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
+ ret = 0x04UL;
} else {
- if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
- ret = 0x08UL;
- } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
- ret = 0x04UL;
- } else {
- ret = 0x02UL;
- }
+ ret = 0x02UL;
}
+
env->fpscr &= ~(0x0F << FPSCR_FPRF);
env->fpscr |= ret << FPSCR_FPRF;
- return ret;
+ env->crf[crfD] = ret;
+ if (unlikely(ret == 0x01UL
+ && (float64_is_signaling_nan(farg1.d) ||
+ float64_is_signaling_nan(farg2.d)))) {
+ /* sNaN comparison */
+ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
+ }
}
-uint32_t helper_fcmpo (uint64_t arg1, uint64_t arg2)
+void helper_fcmpo (uint64_t arg1, uint64_t arg2, uint32_t crfD)
{
CPU_DoubleU farg1, farg2;
uint32_t ret = 0;
if (unlikely(float64_is_nan(farg1.d) ||
float64_is_nan(farg2.d))) {
+ ret = 0x01UL;
+ } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
+ ret = 0x08UL;
+ } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
+ ret = 0x04UL;
+ } else {
+ ret = 0x02UL;
+ }
+
+ env->fpscr &= ~(0x0F << FPSCR_FPRF);
+ env->fpscr |= ret << FPSCR_FPRF;
+ env->crf[crfD] = ret;
+ if (unlikely (ret == 0x01UL)) {
if (float64_is_signaling_nan(farg1.d) ||
float64_is_signaling_nan(farg2.d)) {
/* sNaN comparison */
/* qNaN comparison */
fload_invalid_op_excp(POWERPC_EXCP_FP_VXVC);
}
- } else {
- if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
- ret = 0x08UL;
- } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
- ret = 0x04UL;
- } else {
- ret = 0x02UL;
- }
}
- env->fpscr &= ~(0x0F << FPSCR_FPRF);
- env->fpscr |= ret << FPSCR_FPRF;
- return ret;
}
#if !defined (CONFIG_USER_ONLY)
val = hreg_store_msr(env, val, 0);
if (val != 0) {
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
- raise_exception(env, val);
+ helper_raise_exception(val);
}
}
-void cpu_dump_rfi (target_ulong RA, target_ulong msr);
-
static always_inline void do_rfi (target_ulong nip, target_ulong msr,
target_ulong msrm, int keep_msrh)
{
((int32_t)arg1 == (int32_t)arg2 && (flags & 0x04)) ||
((uint32_t)arg1 < (uint32_t)arg2 && (flags & 0x02)) ||
((uint32_t)arg1 > (uint32_t)arg2 && (flags & 0x01))))) {
- raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
}
((int64_t)arg1 == (int64_t)arg2 && (flags & 0x04)) ||
((uint64_t)arg1 < (uint64_t)arg2 && (flags & 0x02)) ||
((uint64_t)arg1 > (uint64_t)arg2 && (flags & 0x01)))))
- raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
#endif
/*****************************************************************************/
/* PowerPC 601 specific instructions (POWER bridge) */
-void do_POWER_abso (void)
-{
- if ((int32_t)T0 == INT32_MIN) {
- T0 = INT32_MAX;
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else if ((int32_t)T0 < 0) {
- T0 = -T0;
- env->xer &= ~(1 << XER_OV);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
-}
target_ulong helper_clcs (uint32_t arg)
{
{
do_rfi(env->lr, env->ctr, 0x0000FFFF, 0);
}
-
-void do_store_hid0_601 (void)
-{
- uint32_t hid0;
-
- hid0 = env->spr[SPR_HID0];
- if ((T0 ^ hid0) & 0x00000008) {
- /* Change current endianness */
- env->hflags &= ~(1 << MSR_LE);
- env->hflags_nmsr &= ~(1 << MSR_LE);
- env->hflags_nmsr |= (1 << MSR_LE) & (((T0 >> 3) & 1) << MSR_LE);
- env->hflags |= env->hflags_nmsr;
- if (loglevel != 0) {
- fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n",
- __func__, T0 & 0x8 ? 'l' : 'b', env->hflags);
- }
- }
- env->spr[SPR_HID0] = T0;
-}
#endif
/*****************************************************************************/
/* 602 specific instructions */
/* mfrom is the most crazy instruction ever seen, imho ! */
/* Real implementation uses a ROM table. Do the same */
-#define USE_MFROM_ROM_TABLE
+/* Extremly decomposed:
+ * -arg / 256
+ * return 256 * log10(10 + 1.0) + 0.5
+ */
+#if !defined (CONFIG_USER_ONLY)
target_ulong helper_602_mfrom (target_ulong arg)
{
if (likely(arg < 602)) {
-#if defined(USE_MFROM_ROM_TABLE)
#include "mfrom_table.c"
- return mfrom_ROM_table[T0];
-#else
- double d;
- /* Extremly decomposed:
- * -arg / 256
- * return 256 * log10(10 + 1.0) + 0.5
- */
- d = arg;
- d = float64_div(d, 256, &env->fp_status);
- d = float64_chs(d);
- d = exp10(d); // XXX: use float emulation function
- d = float64_add(d, 1.0, &env->fp_status);
- d = log10(d); // XXX: use float emulation function
- d = float64_mul(d, 256, &env->fp_status);
- d = float64_add(d, 0.5, &env->fp_status);
- return float64_round_to_int(d, &env->fp_status);
-#endif
+ return mfrom_ROM_table[arg];
} else {
return 0;
}
}
+#endif
/*****************************************************************************/
/* Embedded PowerPC specific helpers */
/* XXX: to be improved to check access rights when in user-mode */
-void do_load_dcr (void)
+target_ulong helper_load_dcr (target_ulong dcrn)
{
- target_ulong val;
+ target_ulong val = 0;
if (unlikely(env->dcr_env == NULL)) {
if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
- raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
- } else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) {
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
+ } else if (unlikely(ppc_dcr_read(env->dcr_env, dcrn, &val) != 0)) {
if (loglevel != 0) {
- fprintf(logfile, "DCR read error %d %03x\n", (int)T0, (int)T0);
+ fprintf(logfile, "DCR read error %d %03x\n", (int)dcrn, (int)dcrn);
}
- raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
- } else {
- T0 = val;
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
}
+ return val;
}
-void do_store_dcr (void)
+void helper_store_dcr (target_ulong dcrn, target_ulong val)
{
if (unlikely(env->dcr_env == NULL)) {
if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
- raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
- } else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) {
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
+ } else if (unlikely(ppc_dcr_write(env->dcr_env, dcrn, val) != 0)) {
if (loglevel != 0) {
- fprintf(logfile, "DCR write error %d %03x\n", (int)T0, (int)T0);
+ fprintf(logfile, "DCR write error %d %03x\n", (int)dcrn, (int)dcrn);
}
- raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
+ helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
+ POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
}
}
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];
-}
-
-void do_store_403_pb (int num)
-{
- if (likely(env->pb[num] != T0)) {
- env->pb[num] = T0;
- /* Should be optimized */
- tlb_flush(env, 1);
- }
-}
#endif
/* 440 specific */
return i;
}
+/*****************************************************************************/
+/* Altivec extension helpers */
+#if defined(WORDS_BIGENDIAN)
+#define HI_IDX 0
+#define LO_IDX 1
+#else
+#define HI_IDX 1
+#define LO_IDX 0
+#endif
+
+#if defined(WORDS_BIGENDIAN)
+#define VECTOR_FOR_INORDER_I(index, element) \
+ for (index = 0; index < ARRAY_SIZE(r->element); index++)
+#else
+#define VECTOR_FOR_INORDER_I(index, element) \
+ for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
+#endif
+
+#define VARITH_DO(name, op, element) \
+void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+{ \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ r->element[i] = a->element[i] op b->element[i]; \
+ } \
+}
+#define VARITH(suffix, element) \
+ VARITH_DO(add##suffix, +, element) \
+ VARITH_DO(sub##suffix, -, element)
+VARITH(ubm, u8)
+VARITH(uhm, u16)
+VARITH(uwm, u32)
+#undef VARITH_DO
+#undef VARITH
+
+#define VAVG_DO(name, element, etype) \
+ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \
+ r->element[i] = x >> 1; \
+ } \
+ }
+
+#define VAVG(type, signed_element, signed_type, unsigned_element, unsigned_type) \
+ VAVG_DO(avgs##type, signed_element, signed_type) \
+ VAVG_DO(avgu##type, unsigned_element, unsigned_type)
+VAVG(b, s8, int16_t, u8, uint16_t)
+VAVG(h, s16, int32_t, u16, uint32_t)
+VAVG(w, s32, int64_t, u32, uint64_t)
+#undef VAVG_DO
+#undef VAVG
+
+#define VMINMAX_DO(name, compare, element) \
+ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ if (a->element[i] compare b->element[i]) { \
+ r->element[i] = b->element[i]; \
+ } else { \
+ r->element[i] = a->element[i]; \
+ } \
+ } \
+ }
+#define VMINMAX(suffix, element) \
+ VMINMAX_DO(min##suffix, >, element) \
+ VMINMAX_DO(max##suffix, <, element)
+VMINMAX(sb, s8)
+VMINMAX(sh, s16)
+VMINMAX(sw, s32)
+VMINMAX(ub, u8)
+VMINMAX(uh, u16)
+VMINMAX(uw, u32)
+#undef VMINMAX_DO
+#undef VMINMAX
+
+#define VMRG_DO(name, element, highp) \
+ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ ppc_avr_t result; \
+ int i; \
+ size_t n_elems = ARRAY_SIZE(r->element); \
+ for (i = 0; i < n_elems/2; i++) { \
+ if (highp) { \
+ result.element[i*2+HI_IDX] = a->element[i]; \
+ result.element[i*2+LO_IDX] = b->element[i]; \
+ } else { \
+ result.element[n_elems - i*2 - (1+HI_IDX)] = b->element[n_elems - i - 1]; \
+ result.element[n_elems - i*2 - (1+LO_IDX)] = a->element[n_elems - i - 1]; \
+ } \
+ } \
+ *r = result; \
+ }
+#if defined(WORDS_BIGENDIAN)
+#define MRGHI 0
+#define MRGL0 1
+#else
+#define MRGHI 1
+#define MRGLO 0
+#endif
+#define VMRG(suffix, element) \
+ VMRG_DO(mrgl##suffix, element, MRGHI) \
+ VMRG_DO(mrgh##suffix, element, MRGLO)
+VMRG(b, u8)
+VMRG(h, u16)
+VMRG(w, u32)
+#undef VMRG_DO
+#undef VMRG
+#undef MRGHI
+#undef MRGLO
+
+#define VMUL_DO(name, mul_element, prod_element, evenp) \
+ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int i; \
+ VECTOR_FOR_INORDER_I(i, prod_element) { \
+ if (evenp) { \
+ r->prod_element[i] = a->mul_element[i*2+HI_IDX] * b->mul_element[i*2+HI_IDX]; \
+ } else { \
+ r->prod_element[i] = a->mul_element[i*2+LO_IDX] * b->mul_element[i*2+LO_IDX]; \
+ } \
+ } \
+ }
+#define VMUL(suffix, mul_element, prod_element) \
+ VMUL_DO(mule##suffix, mul_element, prod_element, 1) \
+ VMUL_DO(mulo##suffix, mul_element, prod_element, 0)
+VMUL(sb, s8, s16)
+VMUL(sh, s16, s32)
+VMUL(ub, u8, u16)
+VMUL(uh, u16, u32)
+#undef VMUL_DO
+#undef VMUL
+
+#undef VECTOR_FOR_INORDER_I
+#undef HI_IDX
+#undef LO_IDX
+
/*****************************************************************************/
/* SPE extension helpers */
/* Use a table to make this quicker */
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.f)))
+ if (unlikely(float32_is_nan(u.f)))
return 0;
return float32_to_int32(u.f, &env->spe_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.f)))
+ if (unlikely(float32_is_nan(u.f)))
return 0;
return float32_to_uint32(u.f, &env->spe_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.f)))
+ if (unlikely(float32_is_nan(u.f)))
return 0;
return float32_to_int32_round_to_zero(u.f, &env->spe_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.f)))
+ if (unlikely(float32_is_nan(u.f)))
return 0;
return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.f)))
+ if (unlikely(float32_is_nan(u.f)))
return 0;
tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
u.f = float32_mul(u.f, tmp, &env->spe_status);
u.l = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.f)))
+ if (unlikely(float32_is_nan(u.f)))
return 0;
tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
u.f = float32_mul(u.f, tmp, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
return float64_to_int32(u.d, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
return float64_to_uint32(u.d, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
return float64_to_int32_round_to_zero(u.d, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
return float64_to_int64_round_to_zero(u.d, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
return float64_to_uint32_round_to_zero(u.d, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
return float64_to_uint64_round_to_zero(u.d, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
u.d = float64_mul(u.d, tmp, &env->spe_status);
u.ll = val;
/* NaN are not treated the same way IEEE 754 does */
- if (unlikely(isnan(u.d)))
+ if (unlikely(float64_is_nan(u.d)))
return 0;
tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
u.d = float64_mul(u.d, tmp, &env->spe_status);
cpu_restore_state(tb, env, pc, NULL);
}
}
- raise_exception_err(env, env->exception_index, env->error_code);
+ helper_raise_exception_err(env->exception_index, env->error_code);
}
env = saved_env;
}
+/* Segment registers load and store */
+target_ulong helper_load_sr (target_ulong sr_num)
+{
+ return env->sr[sr_num];
+}
+
+void helper_store_sr (target_ulong sr_num, target_ulong val)
+{
+ ppc_store_sr(env, sr_num, val);
+}
+
+/* SLB management */
+#if defined(TARGET_PPC64)
+target_ulong helper_load_slb (target_ulong slb_nr)
+{
+ return ppc_load_slb(env, slb_nr);
+}
+
+void helper_store_slb (target_ulong slb_nr, target_ulong rs)
+{
+ ppc_store_slb(env, slb_nr, rs);
+}
+
+void helper_slbia (void)
+{
+ ppc_slb_invalidate_all(env);
+}
+
+void helper_slbie (target_ulong addr)
+{
+ ppc_slb_invalidate_one(env, addr);
+}
+
+#endif /* defined(TARGET_PPC64) */
+
+/* TLB management */
+void helper_tlbia (void)
+{
+ ppc_tlb_invalidate_all(env);
+}
+
+void helper_tlbie (target_ulong addr)
+{
+ ppc_tlb_invalidate_one(env, addr);
+}
+
/* Software driven TLBs management */
/* PowerPC 602/603 software TLB load instructions helpers */
-static void helper_load_6xx_tlb (target_ulong new_EPN, int is_code)
+static void do_6xx_tlb (target_ulong new_EPN, int is_code)
{
target_ulong RPN, CMP, EPN;
int way;
way = (env->spr[SPR_SRR1] >> 17) & 1;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
- fprintf(logfile, "%s: EPN " TDX " " ADDRX " PTE0 " ADDRX
+ fprintf(logfile, "%s: EPN " ADDRX " " ADDRX " PTE0 " ADDRX
" PTE1 " ADDRX " way %d\n",
- __func__, T0, EPN, CMP, RPN, way);
+ __func__, new_EPN, EPN, CMP, RPN, way);
}
#endif
/* Store this TLB */
way, is_code, CMP, RPN);
}
-void helper_load_6xx_tlbd (target_ulong EPN)
+void helper_6xx_tlbd (target_ulong EPN)
{
- helper_load_6xx_tlb(EPN, 0);
+ do_6xx_tlb(EPN, 0);
}
-void helper_load_6xx_tlbi (target_ulong EPN)
+void helper_6xx_tlbi (target_ulong EPN)
{
- helper_load_6xx_tlb(EPN, 1);
+ do_6xx_tlb(EPN, 1);
}
/* PowerPC 74xx software TLB load instructions helpers */
-static void helper_load_74xx_tlb (target_ulong new_EPN, int is_code)
+static void do_74xx_tlb (target_ulong new_EPN, int is_code)
{
target_ulong RPN, CMP, EPN;
int way;
way = env->spr[SPR_TLBMISS] & 0x3;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
- fprintf(logfile, "%s: EPN " TDX " " ADDRX " PTE0 " ADDRX
+ fprintf(logfile, "%s: EPN " ADDRX " " ADDRX " PTE0 " ADDRX
" PTE1 " ADDRX " way %d\n",
- __func__, T0, EPN, CMP, RPN, way);
+ __func__, new_EPN, EPN, CMP, RPN, way);
}
#endif
/* Store this TLB */
way, is_code, CMP, RPN);
}
-void helper_load_74xx_tlbd (target_ulong EPN)
+void helper_74xx_tlbd (target_ulong EPN)
{
- helper_load_74xx_tlb(EPN, 0);
+ do_74xx_tlb(EPN, 0);
}
-void helper_load_74xx_tlbi (target_ulong EPN)
+void helper_74xx_tlbi (target_ulong EPN)
{
- helper_load_74xx_tlb(EPN, 1);
+ do_74xx_tlb(EPN, 1);
}
static always_inline target_ulong booke_tlb_to_page_size (int size)
}
/* Helpers for 4xx TLB management */
-void do_4xx_tlbre_lo (void)
+target_ulong helper_4xx_tlbre_lo (target_ulong entry)
{
ppcemb_tlb_t *tlb;
+ target_ulong ret;
int size;
- T0 &= 0x3F;
- tlb = &env->tlb[T0].tlbe;
- T0 = tlb->EPN;
+ entry &= 0x3F;
+ tlb = &env->tlb[entry].tlbe;
+ ret = tlb->EPN;
if (tlb->prot & PAGE_VALID)
- T0 |= 0x400;
+ ret |= 0x400;
size = booke_page_size_to_tlb(tlb->size);
if (size < 0 || size > 0x7)
size = 1;
- T0 |= size << 7;
+ ret |= size << 7;
env->spr[SPR_40x_PID] = tlb->PID;
+ return ret;
}
-void do_4xx_tlbre_hi (void)
+target_ulong helper_4xx_tlbre_hi (target_ulong entry)
{
ppcemb_tlb_t *tlb;
+ target_ulong ret;
- T0 &= 0x3F;
- tlb = &env->tlb[T0].tlbe;
- T0 = tlb->RPN;
+ entry &= 0x3F;
+ tlb = &env->tlb[entry].tlbe;
+ ret = tlb->RPN;
if (tlb->prot & PAGE_EXEC)
- T0 |= 0x200;
+ ret |= 0x200;
if (tlb->prot & PAGE_WRITE)
- T0 |= 0x100;
+ ret |= 0x100;
+ return ret;
}
-void do_4xx_tlbwe_hi (void)
+void helper_4xx_tlbwe_hi (target_ulong entry, target_ulong val)
{
ppcemb_tlb_t *tlb;
target_ulong page, end;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
- fprintf(logfile, "%s T0 " TDX " T1 " TDX "\n", __func__, T0, T1);
+ fprintf(logfile, "%s entry %d val " ADDRX "\n", __func__, (int)entry, val);
}
#endif
- T0 &= 0x3F;
- tlb = &env->tlb[T0].tlbe;
+ entry &= 0x3F;
+ tlb = &env->tlb[entry].tlbe;
/* Invalidate previous TLB (if it's valid) */
if (tlb->prot & PAGE_VALID) {
end = tlb->EPN + tlb->size;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
fprintf(logfile, "%s: invalidate old TLB %d start " ADDRX
- " end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end);
+ " end " ADDRX "\n", __func__, (int)entry, tlb->EPN, end);
}
#endif
for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
tlb_flush_page(env, page);
}
- tlb->size = booke_tlb_to_page_size((T1 >> 7) & 0x7);
+ tlb->size = booke_tlb_to_page_size((val >> 7) & 0x7);
/* 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 ((T1 & 0x40) && tlb->size < TARGET_PAGE_SIZE) {
+ if ((val & 0x40) && 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)((T1 >> 7) & 0x7));
+ tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7));
}
- tlb->EPN = T1 & ~(tlb->size - 1);
- if (T1 & 0x40)
+ tlb->EPN = val & ~(tlb->size - 1);
+ if (val & 0x40)
tlb->prot |= PAGE_VALID;
else
tlb->prot &= ~PAGE_VALID;
- if (T1 & 0x20) {
+ if (val & 0x20) {
/* XXX: TO BE FIXED */
cpu_abort(env, "Little-endian TLB entries are not supported by now\n");
}
tlb->PID = env->spr[SPR_40x_PID]; /* PID */
- tlb->attr = T1 & 0xFF;
+ tlb->attr = val & 0xFF;
#if defined (DEBUG_SOFTWARE_TLB)
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)entry, tlb->RPN, tlb->EPN, tlb->size,
tlb->prot & PAGE_READ ? 'r' : '-',
tlb->prot & PAGE_WRITE ? 'w' : '-',
tlb->prot & PAGE_EXEC ? 'x' : '-',
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
fprintf(logfile, "%s: invalidate TLB %d start " ADDRX
- " end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end);
+ " end " ADDRX "\n", __func__, (int)entry, tlb->EPN, end);
}
#endif
for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
}
}
-void do_4xx_tlbwe_lo (void)
+void helper_4xx_tlbwe_lo (target_ulong entry, target_ulong val)
{
ppcemb_tlb_t *tlb;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
- fprintf(logfile, "%s T0 " TDX " T1 " TDX "\n", __func__, T0, T1);
+ fprintf(logfile, "%s entry %i val " ADDRX "\n", __func__, (int)entry, val);
}
#endif
- T0 &= 0x3F;
- tlb = &env->tlb[T0].tlbe;
- tlb->RPN = T1 & 0xFFFFFC00;
+ entry &= 0x3F;
+ tlb = &env->tlb[entry].tlbe;
+ tlb->RPN = val & 0xFFFFFC00;
tlb->prot = PAGE_READ;
- if (T1 & 0x200)
+ if (val & 0x200)
tlb->prot |= PAGE_EXEC;
- if (T1 & 0x100)
+ if (val & 0x100)
tlb->prot |= PAGE_WRITE;
#if defined (DEBUG_SOFTWARE_TLB)
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)entry, tlb->RPN, tlb->EPN, tlb->size,
tlb->prot & PAGE_READ ? 'r' : '-',
tlb->prot & PAGE_WRITE ? 'w' : '-',
tlb->prot & PAGE_EXEC ? 'x' : '-',
#endif
}
+target_ulong helper_4xx_tlbsx (target_ulong address)
+{
+ return ppcemb_tlb_search(env, address, env->spr[SPR_40x_PID]);
+}
+
/* PowerPC 440 TLB management */
-void do_440_tlbwe (int word)
+void helper_440_tlbwe (uint32_t word, target_ulong entry, target_ulong value)
{
ppcemb_tlb_t *tlb;
target_ulong EPN, RPN, size;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
- fprintf(logfile, "%s word %d T0 " TDX " T1 " TDX "\n",
- __func__, word, T0, T1);
+ fprintf(logfile, "%s word %d entry %d value " ADDRX "\n",
+ __func__, word, (int)entry, value);
}
#endif
do_flush_tlbs = 0;
- T0 &= 0x3F;
- tlb = &env->tlb[T0].tlbe;
+ entry &= 0x3F;
+ tlb = &env->tlb[entry].tlbe;
switch (word) {
default:
/* Just here to please gcc */
case 0:
- EPN = T1 & 0xFFFFFC00;
+ EPN = value & 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);
+ size = booke_tlb_to_page_size((value >> 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->attr |= (value >> 8) & 1;
+ if (value & 0x200) {
tlb->prot |= PAGE_VALID;
} else {
if (tlb->prot & PAGE_VALID) {
tlb_flush(env, 1);
break;
case 1:
- RPN = T1 & 0xFFFFFC0F;
+ RPN = value & 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->attr = (tlb->attr & 0x1) | (value & 0x0000FF00);
tlb->prot = tlb->prot & PAGE_VALID;
- if (T1 & 0x1)
+ if (value & 0x1)
tlb->prot |= PAGE_READ << 4;
- if (T1 & 0x2)
+ if (value & 0x2)
tlb->prot |= PAGE_WRITE << 4;
- if (T1 & 0x4)
+ if (value & 0x4)
tlb->prot |= PAGE_EXEC << 4;
- if (T1 & 0x8)
+ if (value & 0x8)
tlb->prot |= PAGE_READ;
- if (T1 & 0x10)
+ if (value & 0x10)
tlb->prot |= PAGE_WRITE;
- if (T1 & 0x20)
+ if (value & 0x20)
tlb->prot |= PAGE_EXEC;
break;
}
}
-void do_440_tlbre (int word)
+target_ulong helper_440_tlbre (uint32_t word, target_ulong entry)
{
ppcemb_tlb_t *tlb;
+ target_ulong ret;
int size;
- T0 &= 0x3F;
- tlb = &env->tlb[T0].tlbe;
+ entry &= 0x3F;
+ tlb = &env->tlb[entry].tlbe;
switch (word) {
default:
/* Just here to please gcc */
case 0:
- T0 = tlb->EPN;
+ ret = tlb->EPN;
size = booke_page_size_to_tlb(tlb->size);
if (size < 0 || size > 0xF)
size = 1;
- T0 |= size << 4;
+ ret |= size << 4;
if (tlb->attr & 0x1)
- T0 |= 0x100;
+ ret |= 0x100;
if (tlb->prot & PAGE_VALID)
- T0 |= 0x200;
+ ret |= 0x200;
env->spr[SPR_440_MMUCR] &= ~0x000000FF;
env->spr[SPR_440_MMUCR] |= tlb->PID;
break;
case 1:
- T0 = tlb->RPN;
+ ret = tlb->RPN;
break;
case 2:
- T0 = tlb->attr & ~0x1;
+ ret = tlb->attr & ~0x1;
if (tlb->prot & (PAGE_READ << 4))
- T0 |= 0x1;
+ ret |= 0x1;
if (tlb->prot & (PAGE_WRITE << 4))
- T0 |= 0x2;
+ ret |= 0x2;
if (tlb->prot & (PAGE_EXEC << 4))
- T0 |= 0x4;
+ ret |= 0x4;
if (tlb->prot & PAGE_READ)
- T0 |= 0x8;
+ ret |= 0x8;
if (tlb->prot & PAGE_WRITE)
- T0 |= 0x10;
+ ret |= 0x10;
if (tlb->prot & PAGE_EXEC)
- T0 |= 0x20;
+ ret |= 0x20;
break;
}
+ return ret;
}
+
+target_ulong helper_440_tlbsx (target_ulong address)
+{
+ return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF);
+}
+
#endif /* !CONFIG_USER_ONLY */
projects / qemu.git / blobdiff