--- /dev/null
+/*
+ * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stdlib.h>
+#include "cpu.h"
+#include "qemu/host-utils.h"
+#include "exec/helper-proto.h"
+#include "exec/cpu_ldst.h"
+#include <zlib.h> /* for crc32 */
+
+/* Addressing mode helper */
+
+static uint16_t reverse16(uint16_t val)
+{
+ uint8_t high = (uint8_t)(val >> 8);
+ uint8_t low = (uint8_t)(val & 0xff);
+
+ uint16_t rh, rl;
+
+ rl = (uint16_t)((high * 0x0202020202ULL & 0x010884422010ULL) % 1023);
+ rh = (uint16_t)((low * 0x0202020202ULL & 0x010884422010ULL) % 1023);
+
+ return (rh << 8) | rl;
+}
+
+uint32_t helper_br_update(uint32_t reg)
+{
+ uint32_t index = reg & 0xffff;
+ uint32_t incr = reg >> 16;
+ uint32_t new_index = reverse16(reverse16(index) + reverse16(incr));
+ return reg - index + new_index;
+}
+
+uint32_t helper_circ_update(uint32_t reg, uint32_t off)
+{
+ uint32_t index = reg & 0xffff;
+ uint32_t length = reg >> 16;
+ int32_t new_index = index + off;
+ if (new_index < 0) {
+ new_index += length;
+ } else {
+ new_index %= length;
+ }
+ return reg - index + new_index;
+}
+
+static uint32_t ssov32(CPUTriCoreState *env, int64_t arg)
+{
+ uint32_t ret;
+ int64_t max_pos = INT32_MAX;
+ int64_t max_neg = INT32_MIN;
+ if (arg > max_pos) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ ret = (target_ulong)max_pos;
+ } else {
+ if (arg < max_neg) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ ret = (target_ulong)max_neg;
+ } else {
+ env->PSW_USB_V = 0;
+ ret = (target_ulong)arg;
+ }
+ }
+ env->PSW_USB_AV = arg ^ arg * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ return ret;
+}
+
+static uint32_t suov32_pos(CPUTriCoreState *env, uint64_t arg)
+{
+ uint32_t ret;
+ uint64_t max_pos = UINT32_MAX;
+ if (arg > max_pos) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ ret = (target_ulong)max_pos;
+ } else {
+ env->PSW_USB_V = 0;
+ ret = (target_ulong)arg;
+ }
+ env->PSW_USB_AV = arg ^ arg * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ return ret;
+}
+
+static uint32_t suov32_neg(CPUTriCoreState *env, int64_t arg)
+{
+ uint32_t ret;
+
+ if (arg < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ ret = 0;
+ } else {
+ env->PSW_USB_V = 0;
+ ret = (target_ulong)arg;
+ }
+ env->PSW_USB_AV = arg ^ arg * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ return ret;
+}
+
+static uint32_t ssov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1)
+{
+ int32_t max_pos = INT16_MAX;
+ int32_t max_neg = INT16_MIN;
+ int32_t av0, av1;
+
+ env->PSW_USB_V = 0;
+ av0 = hw0 ^ hw0 * 2u;
+ if (hw0 > max_pos) {
+ env->PSW_USB_V = (1 << 31);
+ hw0 = max_pos;
+ } else if (hw0 < max_neg) {
+ env->PSW_USB_V = (1 << 31);
+ hw0 = max_neg;
+ }
+
+ av1 = hw1 ^ hw1 * 2u;
+ if (hw1 > max_pos) {
+ env->PSW_USB_V = (1 << 31);
+ hw1 = max_pos;
+ } else if (hw1 < max_neg) {
+ env->PSW_USB_V = (1 << 31);
+ hw1 = max_neg;
+ }
+
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = (av0 | av1) << 16;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ return (hw0 & 0xffff) | (hw1 << 16);
+}
+
+static uint32_t suov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1)
+{
+ int32_t max_pos = UINT16_MAX;
+ int32_t av0, av1;
+
+ env->PSW_USB_V = 0;
+ av0 = hw0 ^ hw0 * 2u;
+ if (hw0 > max_pos) {
+ env->PSW_USB_V = (1 << 31);
+ hw0 = max_pos;
+ } else if (hw0 < 0) {
+ env->PSW_USB_V = (1 << 31);
+ hw0 = 0;
+ }
+
+ av1 = hw1 ^ hw1 * 2u;
+ if (hw1 > max_pos) {
+ env->PSW_USB_V = (1 << 31);
+ hw1 = max_pos;
+ } else if (hw1 < 0) {
+ env->PSW_USB_V = (1 << 31);
+ hw1 = 0;
+ }
+
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = (av0 | av1) << 16;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ return (hw0 & 0xffff) | (hw1 << 16);
+}
+
+target_ulong helper_add_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t result = t1 + t2;
+ return ssov32(env, result);
+}
+
+uint64_t helper_add64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
+{
+ uint64_t result;
+ int64_t ovf;
+
+ result = r1 + r2;
+ ovf = (result ^ r1) & ~(r1 ^ r2);
+ env->PSW_USB_AV = (result ^ result * 2u) >> 32;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ if (ovf < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if ((int64_t)r1 >= 0) {
+ result = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ result = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return result;
+}
+
+target_ulong helper_add_h_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int32_t ret_hw0, ret_hw1;
+
+ ret_hw0 = sextract32(r1, 0, 16) + sextract32(r2, 0, 16);
+ ret_hw1 = sextract32(r1, 16, 16) + sextract32(r2, 16, 16);
+ return ssov16(env, ret_hw0, ret_hw1);
+}
+
+uint32_t helper_addr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low + mul_res0 + 0x8000;
+ result1 = r2_high + mul_res1 + 0x8000;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ if (result0 > INT32_MAX) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MAX;
+ } else if (result0 < INT32_MIN) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MIN;
+ }
+
+ if (result1 > INT32_MAX) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MAX;
+ } else if (result1 < INT32_MIN) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MIN;
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+uint32_t helper_addsur_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low - mul_res0 + 0x8000;
+ result1 = r2_high + mul_res1 + 0x8000;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ if (result0 > INT32_MAX) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MAX;
+ } else if (result0 < INT32_MIN) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MIN;
+ }
+
+ if (result1 > INT32_MAX) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MAX;
+ } else if (result1 < INT32_MIN) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MIN;
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+
+target_ulong helper_add_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = extract64(r1, 0, 32);
+ int64_t t2 = extract64(r2, 0, 32);
+ int64_t result = t1 + t2;
+ return suov32_pos(env, result);
+}
+
+target_ulong helper_add_h_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int32_t ret_hw0, ret_hw1;
+
+ ret_hw0 = extract32(r1, 0, 16) + extract32(r2, 0, 16);
+ ret_hw1 = extract32(r1, 16, 16) + extract32(r2, 16, 16);
+ return suov16(env, ret_hw0, ret_hw1);
+}
+
+target_ulong helper_sub_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t result = t1 - t2;
+ return ssov32(env, result);
+}
+
+uint64_t helper_sub64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
+{
+ uint64_t result;
+ int64_t ovf;
+
+ result = r1 - r2;
+ ovf = (result ^ r1) & (r1 ^ r2);
+ env->PSW_USB_AV = (result ^ result * 2u) >> 32;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ if (ovf < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if ((int64_t)r1 >= 0) {
+ result = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ result = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return result;
+}
+
+target_ulong helper_sub_h_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int32_t ret_hw0, ret_hw1;
+
+ ret_hw0 = sextract32(r1, 0, 16) - sextract32(r2, 0, 16);
+ ret_hw1 = sextract32(r1, 16, 16) - sextract32(r2, 16, 16);
+ return ssov16(env, ret_hw0, ret_hw1);
+}
+
+uint32_t helper_subr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low - mul_res0 + 0x8000;
+ result1 = r2_high - mul_res1 + 0x8000;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ if (result0 > INT32_MAX) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MAX;
+ } else if (result0 < INT32_MIN) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MIN;
+ }
+
+ if (result1 > INT32_MAX) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MAX;
+ } else if (result1 < INT32_MIN) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MIN;
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+uint32_t helper_subadr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low + mul_res0 + 0x8000;
+ result1 = r2_high - mul_res1 + 0x8000;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ if (result0 > INT32_MAX) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MAX;
+ } else if (result0 < INT32_MIN) {
+ ovf0 = (1 << 31);
+ result0 = INT32_MIN;
+ }
+
+ if (result1 > INT32_MAX) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MAX;
+ } else if (result1 < INT32_MIN) {
+ ovf1 = (1 << 31);
+ result1 = INT32_MIN;
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+target_ulong helper_sub_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = extract64(r1, 0, 32);
+ int64_t t2 = extract64(r2, 0, 32);
+ int64_t result = t1 - t2;
+ return suov32_neg(env, result);
+}
+
+target_ulong helper_sub_h_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int32_t ret_hw0, ret_hw1;
+
+ ret_hw0 = extract32(r1, 0, 16) - extract32(r2, 0, 16);
+ ret_hw1 = extract32(r1, 16, 16) - extract32(r2, 16, 16);
+ return suov16(env, ret_hw0, ret_hw1);
+}
+
+target_ulong helper_mul_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t result = t1 * t2;
+ return ssov32(env, result);
+}
+
+target_ulong helper_mul_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = extract64(r1, 0, 32);
+ int64_t t2 = extract64(r2, 0, 32);
+ int64_t result = t1 * t2;
+
+ return suov32_pos(env, result);
+}
+
+target_ulong helper_sha_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int32_t t2 = sextract64(r2, 0, 6);
+ int64_t result;
+ if (t2 == 0) {
+ result = t1;
+ } else if (t2 > 0) {
+ result = t1 << t2;
+ } else {
+ result = t1 >> -t2;
+ }
+ return ssov32(env, result);
+}
+
+uint32_t helper_abs_ssov(CPUTriCoreState *env, target_ulong r1)
+{
+ target_ulong result;
+ result = ((int32_t)r1 >= 0) ? r1 : (0 - r1);
+ return ssov32(env, result);
+}
+
+uint32_t helper_abs_h_ssov(CPUTriCoreState *env, target_ulong r1)
+{
+ int32_t ret_h0, ret_h1;
+
+ ret_h0 = sextract32(r1, 0, 16);
+ ret_h0 = (ret_h0 >= 0) ? ret_h0 : (0 - ret_h0);
+
+ ret_h1 = sextract32(r1, 16, 16);
+ ret_h1 = (ret_h1 >= 0) ? ret_h1 : (0 - ret_h1);
+
+ return ssov16(env, ret_h0, ret_h1);
+}
+
+target_ulong helper_absdif_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t result;
+
+ if (t1 > t2) {
+ result = t1 - t2;
+ } else {
+ result = t2 - t1;
+ }
+ return ssov32(env, result);
+}
+
+uint32_t helper_absdif_h_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2)
+{
+ int32_t t1, t2;
+ int32_t ret_h0, ret_h1;
+
+ t1 = sextract32(r1, 0, 16);
+ t2 = sextract32(r2, 0, 16);
+ if (t1 > t2) {
+ ret_h0 = t1 - t2;
+ } else {
+ ret_h0 = t2 - t1;
+ }
+
+ t1 = sextract32(r1, 16, 16);
+ t2 = sextract32(r2, 16, 16);
+ if (t1 > t2) {
+ ret_h1 = t1 - t2;
+ } else {
+ ret_h1 = t2 - t1;
+ }
+
+ return ssov16(env, ret_h0, ret_h1);
+}
+
+target_ulong helper_madd32_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2, target_ulong r3)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t result;
+
+ result = t2 + (t1 * t3);
+ return ssov32(env, result);
+}
+
+target_ulong helper_madd32_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2, target_ulong r3)
+{
+ uint64_t t1 = extract64(r1, 0, 32);
+ uint64_t t2 = extract64(r2, 0, 32);
+ uint64_t t3 = extract64(r3, 0, 32);
+ int64_t result;
+
+ result = t2 + (t1 * t3);
+ return suov32_pos(env, result);
+}
+
+uint64_t helper_madd64_ssov(CPUTriCoreState *env, target_ulong r1,
+ uint64_t r2, target_ulong r3)
+{
+ uint64_t ret, ovf;
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t mul;
+
+ mul = t1 * t3;
+ ret = mul + r2;
+ ovf = (ret ^ mul) & ~(mul ^ r2);
+
+ t1 = ret >> 32;
+ env->PSW_USB_AV = t1 ^ t1 * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ if ((int64_t)ovf < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if (mul >= 0) {
+ ret = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ ret = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+
+ return ret;
+}
+
+uint32_t
+helper_madd32_q_add_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
+{
+ int64_t result;
+
+ result = (r1 + r2);
+
+ env->PSW_USB_AV = (result ^ result * 2u);
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ /* we do the saturation by hand, since we produce an overflow on the host
+ if the mul before was (0x80000000 * 0x80000000) << 1). If this is the
+ case, we flip the saturated value. */
+ if (r2 == 0x8000000000000000LL) {
+ if (result > 0x7fffffffLL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MIN;
+ } else if (result < -0x80000000LL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MAX;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ } else {
+ if (result > 0x7fffffffLL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MAX;
+ } else if (result < -0x80000000LL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MIN;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ }
+ return (uint32_t)result;
+}
+
+uint64_t helper_madd64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2,
+ uint32_t r3, uint32_t n)
+{
+ int64_t t1 = (int64_t)r1;
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t result, mul;
+ int64_t ovf;
+
+ mul = (t2 * t3) << n;
+ result = mul + t1;
+
+ env->PSW_USB_AV = (result ^ result * 2u) >> 32;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ ovf = (result ^ mul) & ~(mul ^ t1);
+ /* we do the saturation by hand, since we produce an overflow on the host
+ if the mul was (0x80000000 * 0x80000000) << 1). If this is the
+ case, we flip the saturated value. */
+ if ((r2 == 0x80000000) && (r3 == 0x80000000) && (n == 1)) {
+ if (ovf >= 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if (mul < 0) {
+ result = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ result = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ } else {
+ if (ovf < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if (mul >= 0) {
+ result = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ result = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ }
+ return (uint64_t)result;
+}
+
+uint32_t helper_maddr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
+ uint32_t r3, uint32_t n)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t mul, ret;
+
+ if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
+ mul = 0x7fffffff;
+ } else {
+ mul = (t2 * t3) << n;
+ }
+
+ ret = t1 + mul + 0x8000;
+
+ env->PSW_USB_AV = ret ^ ret * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ if (ret > 0x7fffffffll) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ ret = INT32_MAX;
+ } else if (ret < -0x80000000ll) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ ret = INT32_MIN;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return ret & 0xffff0000ll;
+}
+
+uint64_t helper_madd64_suov(CPUTriCoreState *env, target_ulong r1,
+ uint64_t r2, target_ulong r3)
+{
+ uint64_t ret, mul;
+ uint64_t t1 = extract64(r1, 0, 32);
+ uint64_t t3 = extract64(r3, 0, 32);
+
+ mul = t1 * t3;
+ ret = mul + r2;
+
+ t1 = ret >> 32;
+ env->PSW_USB_AV = t1 ^ t1 * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ if (ret < r2) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* saturate */
+ ret = UINT64_MAX;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return ret;
+}
+
+target_ulong helper_msub32_ssov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2, target_ulong r3)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t result;
+
+ result = t2 - (t1 * t3);
+ return ssov32(env, result);
+}
+
+target_ulong helper_msub32_suov(CPUTriCoreState *env, target_ulong r1,
+ target_ulong r2, target_ulong r3)
+{
+ uint64_t t1 = extract64(r1, 0, 32);
+ uint64_t t2 = extract64(r2, 0, 32);
+ uint64_t t3 = extract64(r3, 0, 32);
+ uint64_t result;
+ uint64_t mul;
+
+ mul = (t1 * t3);
+ result = t2 - mul;
+
+ env->PSW_USB_AV = result ^ result * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ /* we calculate ovf by hand here, because the multiplication can overflow on
+ the host, which would give false results if we compare to less than
+ zero */
+ if (mul > t2) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = 0;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return result;
+}
+
+uint64_t helper_msub64_ssov(CPUTriCoreState *env, target_ulong r1,
+ uint64_t r2, target_ulong r3)
+{
+ uint64_t ret, ovf;
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t mul;
+
+ mul = t1 * t3;
+ ret = r2 - mul;
+ ovf = (ret ^ r2) & (mul ^ r2);
+
+ t1 = ret >> 32;
+ env->PSW_USB_AV = t1 ^ t1 * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ if ((int64_t)ovf < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if (mul < 0) {
+ ret = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ ret = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return ret;
+}
+
+uint64_t helper_msub64_suov(CPUTriCoreState *env, target_ulong r1,
+ uint64_t r2, target_ulong r3)
+{
+ uint64_t ret, mul;
+ uint64_t t1 = extract64(r1, 0, 32);
+ uint64_t t3 = extract64(r3, 0, 32);
+
+ mul = t1 * t3;
+ ret = r2 - mul;
+
+ t1 = ret >> 32;
+ env->PSW_USB_AV = t1 ^ t1 * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ if (ret > r2) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* saturate */
+ ret = 0;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return ret;
+}
+
+uint32_t
+helper_msub32_q_sub_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
+{
+ int64_t result;
+ int64_t t1 = (int64_t)r1;
+ int64_t t2 = (int64_t)r2;
+
+ result = t1 - t2;
+
+ env->PSW_USB_AV = (result ^ result * 2u);
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ /* we do the saturation by hand, since we produce an overflow on the host
+ if the mul before was (0x80000000 * 0x80000000) << 1). If this is the
+ case, we flip the saturated value. */
+ if (r2 == 0x8000000000000000LL) {
+ if (result > 0x7fffffffLL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MIN;
+ } else if (result < -0x80000000LL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MAX;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ } else {
+ if (result > 0x7fffffffLL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MAX;
+ } else if (result < -0x80000000LL) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ result = INT32_MIN;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ }
+ return (uint32_t)result;
+}
+
+uint64_t helper_msub64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2,
+ uint32_t r3, uint32_t n)
+{
+ int64_t t1 = (int64_t)r1;
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t result, mul;
+ int64_t ovf;
+
+ mul = (t2 * t3) << n;
+ result = t1 - mul;
+
+ env->PSW_USB_AV = (result ^ result * 2u) >> 32;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ ovf = (result ^ t1) & (t1 ^ mul);
+ /* we do the saturation by hand, since we produce an overflow on the host
+ if the mul before was (0x80000000 * 0x80000000) << 1). If this is the
+ case, we flip the saturated value. */
+ if (mul == 0x8000000000000000LL) {
+ if (ovf >= 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if (mul >= 0) {
+ result = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ result = INT64_MIN;
+ }
+ }
+ } else {
+ if (ovf < 0) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV = (1 << 31);
+ /* ext_ret > MAX_INT */
+ if (mul < 0) {
+ result = INT64_MAX;
+ /* ext_ret < MIN_INT */
+ } else {
+ result = INT64_MIN;
+ }
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ }
+
+ return (uint64_t)result;
+}
+
+uint32_t helper_msubr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
+ uint32_t r3, uint32_t n)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t mul, ret;
+
+ if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
+ mul = 0x7fffffff;
+ } else {
+ mul = (t2 * t3) << n;
+ }
+
+ ret = t1 - mul + 0x8000;
+
+ env->PSW_USB_AV = ret ^ ret * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ if (ret > 0x7fffffffll) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ ret = INT32_MAX;
+ } else if (ret < -0x80000000ll) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ ret = INT32_MIN;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ return ret & 0xffff0000ll;
+}
+
+uint32_t helper_abs_b(CPUTriCoreState *env, target_ulong arg)
+{
+ int32_t b, i;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ int32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ b = sextract32(arg, i * 8, 8);
+ b = (b >= 0) ? b : (0 - b);
+ ovf |= (b > 0x7F) || (b < -0x80);
+ avf |= b ^ b * 2u;
+ ret |= (b & 0xff) << (i * 8);
+ }
+
+ env->PSW_USB_V = ovf << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 24;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_abs_h(CPUTriCoreState *env, target_ulong arg)
+{
+ int32_t h, i;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ int32_t ret = 0;
+
+ for (i = 0; i < 2; i++) {
+ h = sextract32(arg, i * 16, 16);
+ h = (h >= 0) ? h : (0 - h);
+ ovf |= (h > 0x7FFF) || (h < -0x8000);
+ avf |= h ^ h * 2u;
+ ret |= (h & 0xffff) << (i * 16);
+ }
+
+ env->PSW_USB_V = ovf << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 16;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_absdif_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t b, i;
+ int32_t extr_r2;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ int32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ extr_r2 = sextract32(r2, i * 8, 8);
+ b = sextract32(r1, i * 8, 8);
+ b = (b > extr_r2) ? (b - extr_r2) : (extr_r2 - b);
+ ovf |= (b > 0x7F) || (b < -0x80);
+ avf |= b ^ b * 2u;
+ ret |= (b & 0xff) << (i * 8);
+ }
+
+ env->PSW_USB_V = ovf << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 24;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+ return ret;
+}
+
+uint32_t helper_absdif_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t h, i;
+ int32_t extr_r2;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ int32_t ret = 0;
+
+ for (i = 0; i < 2; i++) {
+ extr_r2 = sextract32(r2, i * 16, 16);
+ h = sextract32(r1, i * 16, 16);
+ h = (h > extr_r2) ? (h - extr_r2) : (extr_r2 - h);
+ ovf |= (h > 0x7FFF) || (h < -0x8000);
+ avf |= h ^ h * 2u;
+ ret |= (h & 0xffff) << (i * 16);
+ }
+
+ env->PSW_USB_V = ovf << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 16;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_addr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low + mul_res0 + 0x8000;
+ result1 = r2_high + mul_res1 + 0x8000;
+
+ if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
+ ovf0 = (1 << 31);
+ }
+
+ if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
+ ovf1 = (1 << 31);
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+uint32_t helper_addsur_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low - mul_res0 + 0x8000;
+ result1 = r2_high + mul_res1 + 0x8000;
+
+ if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
+ ovf0 = (1 << 31);
+ }
+
+ if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
+ ovf1 = (1 << 31);
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+uint32_t helper_maddr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
+ uint32_t r3, uint32_t n)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t mul, ret;
+
+ if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
+ mul = 0x7fffffff;
+ } else {
+ mul = (t2 * t3) << n;
+ }
+
+ ret = t1 + mul + 0x8000;
+
+ if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ env->PSW_USB_AV = ret ^ ret * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret & 0xffff0000ll;
+}
+
+uint32_t helper_add_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t b, i;
+ int32_t extr_r1, extr_r2;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ uint32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ extr_r1 = sextract32(r1, i * 8, 8);
+ extr_r2 = sextract32(r2, i * 8, 8);
+
+ b = extr_r1 + extr_r2;
+ ovf |= ((b > 0x7f) || (b < -0x80));
+ avf |= b ^ b * 2u;
+ ret |= ((b & 0xff) << (i*8));
+ }
+
+ env->PSW_USB_V = (ovf << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 24;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_add_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t h, i;
+ int32_t extr_r1, extr_r2;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ int32_t ret = 0;
+
+ for (i = 0; i < 2; i++) {
+ extr_r1 = sextract32(r1, i * 16, 16);
+ extr_r2 = sextract32(r2, i * 16, 16);
+ h = extr_r1 + extr_r2;
+ ovf |= ((h > 0x7fff) || (h < -0x8000));
+ avf |= h ^ h * 2u;
+ ret |= (h & 0xffff) << (i * 16);
+ }
+
+ env->PSW_USB_V = (ovf << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = (avf << 16);
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_subr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low - mul_res0 + 0x8000;
+ result1 = r2_high - mul_res1 + 0x8000;
+
+ if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
+ ovf0 = (1 << 31);
+ }
+
+ if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
+ ovf1 = (1 << 31);
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+uint32_t helper_subadr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
+ uint32_t r2_h)
+{
+ int64_t mul_res0 = sextract64(r1, 0, 32);
+ int64_t mul_res1 = sextract64(r1, 32, 32);
+ int64_t r2_low = sextract64(r2_l, 0, 32);
+ int64_t r2_high = sextract64(r2_h, 0, 32);
+ int64_t result0, result1;
+ uint32_t ovf0, ovf1;
+ uint32_t avf0, avf1;
+
+ ovf0 = ovf1 = 0;
+
+ result0 = r2_low + mul_res0 + 0x8000;
+ result1 = r2_high - mul_res1 + 0x8000;
+
+ if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
+ ovf0 = (1 << 31);
+ }
+
+ if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
+ ovf1 = (1 << 31);
+ }
+
+ env->PSW_USB_V = ovf0 | ovf1;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+
+ avf0 = result0 * 2u;
+ avf0 = result0 ^ avf0;
+ avf1 = result1 * 2u;
+ avf1 = result1 ^ avf1;
+
+ env->PSW_USB_AV = avf0 | avf1;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
+}
+
+uint32_t helper_msubr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
+ uint32_t r3, uint32_t n)
+{
+ int64_t t1 = sextract64(r1, 0, 32);
+ int64_t t2 = sextract64(r2, 0, 32);
+ int64_t t3 = sextract64(r3, 0, 32);
+ int64_t mul, ret;
+
+ if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
+ mul = 0x7fffffff;
+ } else {
+ mul = (t2 * t3) << n;
+ }
+
+ ret = t1 - mul + 0x8000;
+
+ if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) {
+ env->PSW_USB_V = (1 << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ } else {
+ env->PSW_USB_V = 0;
+ }
+ env->PSW_USB_AV = ret ^ ret * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret & 0xffff0000ll;
+}
+
+uint32_t helper_sub_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t b, i;
+ int32_t extr_r1, extr_r2;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ uint32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ extr_r1 = sextract32(r1, i * 8, 8);
+ extr_r2 = sextract32(r2, i * 8, 8);
+
+ b = extr_r1 - extr_r2;
+ ovf |= ((b > 0x7f) || (b < -0x80));
+ avf |= b ^ b * 2u;
+ ret |= ((b & 0xff) << (i*8));
+ }
+
+ env->PSW_USB_V = (ovf << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 24;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_sub_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t h, i;
+ int32_t extr_r1, extr_r2;
+ int32_t ovf = 0;
+ int32_t avf = 0;
+ int32_t ret = 0;
+
+ for (i = 0; i < 2; i++) {
+ extr_r1 = sextract32(r1, i * 16, 16);
+ extr_r2 = sextract32(r2, i * 16, 16);
+ h = extr_r1 - extr_r2;
+ ovf |= ((h > 0x7fff) || (h < -0x8000));
+ avf |= h ^ h * 2u;
+ ret |= (h & 0xffff) << (i * 16);
+ }
+
+ env->PSW_USB_V = (ovf << 31);
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = avf << 16;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_eq_b(target_ulong r1, target_ulong r2)
+{
+ int32_t ret;
+ int32_t i, msk;
+
+ ret = 0;
+ msk = 0xff;
+ for (i = 0; i < 4; i++) {
+ if ((r1 & msk) == (r2 & msk)) {
+ ret |= msk;
+ }
+ msk = msk << 8;
+ }
+
+ return ret;
+}
+
+uint32_t helper_eq_h(target_ulong r1, target_ulong r2)
+{
+ int32_t ret = 0;
+
+ if ((r1 & 0xffff) == (r2 & 0xffff)) {
+ ret = 0xffff;
+ }
+
+ if ((r1 & 0xffff0000) == (r2 & 0xffff0000)) {
+ ret |= 0xffff0000;
+ }
+
+ return ret;
+}
+
+uint32_t helper_eqany_b(target_ulong r1, target_ulong r2)
+{
+ int32_t i;
+ uint32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ ret |= (sextract32(r1, i * 8, 8) == sextract32(r2, i * 8, 8));
+ }
+
+ return ret;
+}
+
+uint32_t helper_eqany_h(target_ulong r1, target_ulong r2)
+{
+ uint32_t ret;
+
+ ret = (sextract32(r1, 0, 16) == sextract32(r2, 0, 16));
+ ret |= (sextract32(r1, 16, 16) == sextract32(r2, 16, 16));
+
+ return ret;
+}
+
+uint32_t helper_lt_b(target_ulong r1, target_ulong r2)
+{
+ int32_t i;
+ uint32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ if (sextract32(r1, i * 8, 8) < sextract32(r2, i * 8, 8)) {
+ ret |= (0xff << (i * 8));
+ }
+ }
+
+ return ret;
+}
+
+uint32_t helper_lt_bu(target_ulong r1, target_ulong r2)
+{
+ int32_t i;
+ uint32_t ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ if (extract32(r1, i * 8, 8) < extract32(r2, i * 8, 8)) {
+ ret |= (0xff << (i * 8));
+ }
+ }
+
+ return ret;
+}
+
+uint32_t helper_lt_h(target_ulong r1, target_ulong r2)
+{
+ uint32_t ret = 0;
+
+ if (sextract32(r1, 0, 16) < sextract32(r2, 0, 16)) {
+ ret |= 0xffff;
+ }
+
+ if (sextract32(r1, 16, 16) < sextract32(r2, 16, 16)) {
+ ret |= 0xffff0000;
+ }
+
+ return ret;
+}
+
+uint32_t helper_lt_hu(target_ulong r1, target_ulong r2)
+{
+ uint32_t ret = 0;
+
+ if (extract32(r1, 0, 16) < extract32(r2, 0, 16)) {
+ ret |= 0xffff;
+ }
+
+ if (extract32(r1, 16, 16) < extract32(r2, 16, 16)) {
+ ret |= 0xffff0000;
+ }
+
+ return ret;
+}
+
+#define EXTREMA_H_B(name, op) \
+uint32_t helper_##name ##_b(target_ulong r1, target_ulong r2) \
+{ \
+ int32_t i, extr_r1, extr_r2; \
+ uint32_t ret = 0; \
+ \
+ for (i = 0; i < 4; i++) { \
+ extr_r1 = sextract32(r1, i * 8, 8); \
+ extr_r2 = sextract32(r2, i * 8, 8); \
+ extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
+ ret |= (extr_r1 & 0xff) << (i * 8); \
+ } \
+ return ret; \
+} \
+ \
+uint32_t helper_##name ##_bu(target_ulong r1, target_ulong r2)\
+{ \
+ int32_t i; \
+ uint32_t extr_r1, extr_r2; \
+ uint32_t ret = 0; \
+ \
+ for (i = 0; i < 4; i++) { \
+ extr_r1 = extract32(r1, i * 8, 8); \
+ extr_r2 = extract32(r2, i * 8, 8); \
+ extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
+ ret |= (extr_r1 & 0xff) << (i * 8); \
+ } \
+ return ret; \
+} \
+ \
+uint32_t helper_##name ##_h(target_ulong r1, target_ulong r2) \
+{ \
+ int32_t extr_r1, extr_r2; \
+ uint32_t ret = 0; \
+ \
+ extr_r1 = sextract32(r1, 0, 16); \
+ extr_r2 = sextract32(r2, 0, 16); \
+ ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
+ ret = ret & 0xffff; \
+ \
+ extr_r1 = sextract32(r1, 16, 16); \
+ extr_r2 = sextract32(r2, 16, 16); \
+ extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
+ ret |= extr_r1 << 16; \
+ \
+ return ret; \
+} \
+ \
+uint32_t helper_##name ##_hu(target_ulong r1, target_ulong r2)\
+{ \
+ uint32_t extr_r1, extr_r2; \
+ uint32_t ret = 0; \
+ \
+ extr_r1 = extract32(r1, 0, 16); \
+ extr_r2 = extract32(r2, 0, 16); \
+ ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
+ ret = ret & 0xffff; \
+ \
+ extr_r1 = extract32(r1, 16, 16); \
+ extr_r2 = extract32(r2, 16, 16); \
+ extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
+ ret |= extr_r1 << (16); \
+ \
+ return ret; \
+} \
+ \
+uint64_t helper_ix##name(uint64_t r1, uint32_t r2) \
+{ \
+ int64_t r2l, r2h, r1hl; \
+ uint64_t ret = 0; \
+ \
+ ret = ((r1 + 2) & 0xffff); \
+ r2l = sextract64(r2, 0, 16); \
+ r2h = sextract64(r2, 16, 16); \
+ r1hl = sextract64(r1, 32, 16); \
+ \
+ if ((r2l op ## = r2h) && (r2l op r1hl)) { \
+ ret |= (r2l & 0xffff) << 32; \
+ ret |= extract64(r1, 0, 16) << 16; \
+ } else if ((r2h op r2l) && (r2h op r1hl)) { \
+ ret |= extract64(r2, 16, 16) << 32; \
+ ret |= extract64(r1 + 1, 0, 16) << 16; \
+ } else { \
+ ret |= r1 & 0xffffffff0000ull; \
+ } \
+ return ret; \
+} \
+ \
+uint64_t helper_ix##name ##_u(uint64_t r1, uint32_t r2) \
+{ \
+ int64_t r2l, r2h, r1hl; \
+ uint64_t ret = 0; \
+ \
+ ret = ((r1 + 2) & 0xffff); \
+ r2l = extract64(r2, 0, 16); \
+ r2h = extract64(r2, 16, 16); \
+ r1hl = extract64(r1, 32, 16); \
+ \
+ if ((r2l op ## = r2h) && (r2l op r1hl)) { \
+ ret |= (r2l & 0xffff) << 32; \
+ ret |= extract64(r1, 0, 16) << 16; \
+ } else if ((r2h op r2l) && (r2h op r1hl)) { \
+ ret |= extract64(r2, 16, 16) << 32; \
+ ret |= extract64(r1 + 1, 0, 16) << 16; \
+ } else { \
+ ret |= r1 & 0xffffffff0000ull; \
+ } \
+ return ret; \
+}
+
+EXTREMA_H_B(max, >)
+EXTREMA_H_B(min, <)
+
+#undef EXTREMA_H_B
+
+uint32_t helper_clo(target_ulong r1)
+{
+ return clo32(r1);
+}
+
+uint32_t helper_clo_h(target_ulong r1)
+{
+ uint32_t ret_hw0 = extract32(r1, 0, 16);
+ uint32_t ret_hw1 = extract32(r1, 16, 16);
+
+ ret_hw0 = clo32(ret_hw0 << 16);
+ ret_hw1 = clo32(ret_hw1 << 16);
+
+ if (ret_hw0 > 16) {
+ ret_hw0 = 16;
+ }
+ if (ret_hw1 > 16) {
+ ret_hw1 = 16;
+ }
+
+ return ret_hw0 | (ret_hw1 << 16);
+}
+
+uint32_t helper_clz(target_ulong r1)
+{
+ return clz32(r1);
+}
+
+uint32_t helper_clz_h(target_ulong r1)
+{
+ uint32_t ret_hw0 = extract32(r1, 0, 16);
+ uint32_t ret_hw1 = extract32(r1, 16, 16);
+
+ ret_hw0 = clz32(ret_hw0 << 16);
+ ret_hw1 = clz32(ret_hw1 << 16);
+
+ if (ret_hw0 > 16) {
+ ret_hw0 = 16;
+ }
+ if (ret_hw1 > 16) {
+ ret_hw1 = 16;
+ }
+
+ return ret_hw0 | (ret_hw1 << 16);
+}
+
+uint32_t helper_cls(target_ulong r1)
+{
+ return clrsb32(r1);
+}
+
+uint32_t helper_cls_h(target_ulong r1)
+{
+ uint32_t ret_hw0 = extract32(r1, 0, 16);
+ uint32_t ret_hw1 = extract32(r1, 16, 16);
+
+ ret_hw0 = clrsb32(ret_hw0 << 16);
+ ret_hw1 = clrsb32(ret_hw1 << 16);
+
+ if (ret_hw0 > 15) {
+ ret_hw0 = 15;
+ }
+ if (ret_hw1 > 15) {
+ ret_hw1 = 15;
+ }
+
+ return ret_hw0 | (ret_hw1 << 16);
+}
+
+uint32_t helper_sh(target_ulong r1, target_ulong r2)
+{
+ int32_t shift_count = sextract32(r2, 0, 6);
+
+ if (shift_count == -32) {
+ return 0;
+ } else if (shift_count < 0) {
+ return r1 >> -shift_count;
+ } else {
+ return r1 << shift_count;
+ }
+}
+
+uint32_t helper_sh_h(target_ulong r1, target_ulong r2)
+{
+ int32_t ret_hw0, ret_hw1;
+ int32_t shift_count;
+
+ shift_count = sextract32(r2, 0, 5);
+
+ if (shift_count == -16) {
+ return 0;
+ } else if (shift_count < 0) {
+ ret_hw0 = extract32(r1, 0, 16) >> -shift_count;
+ ret_hw1 = extract32(r1, 16, 16) >> -shift_count;
+ return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
+ } else {
+ ret_hw0 = extract32(r1, 0, 16) << shift_count;
+ ret_hw1 = extract32(r1, 16, 16) << shift_count;
+ return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
+ }
+}
+
+uint32_t helper_sha(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
+{
+ int32_t shift_count;
+ int64_t result, t1;
+ uint32_t ret;
+
+ shift_count = sextract32(r2, 0, 6);
+ t1 = sextract32(r1, 0, 32);
+
+ if (shift_count == 0) {
+ env->PSW_USB_C = env->PSW_USB_V = 0;
+ ret = r1;
+ } else if (shift_count == -32) {
+ env->PSW_USB_C = r1;
+ env->PSW_USB_V = 0;
+ ret = t1 >> 31;
+ } else if (shift_count > 0) {
+ result = t1 << shift_count;
+ /* calc carry */
+ env->PSW_USB_C = ((result & 0xffffffff00000000ULL) != 0);
+ /* calc v */
+ env->PSW_USB_V = (((result > 0x7fffffffLL) ||
+ (result < -0x80000000LL)) << 31);
+ /* calc sv */
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ ret = (uint32_t)result;
+ } else {
+ env->PSW_USB_V = 0;
+ env->PSW_USB_C = (r1 & ((1 << -shift_count) - 1));
+ ret = t1 >> -shift_count;
+ }
+
+ env->PSW_USB_AV = ret ^ ret * 2u;
+ env->PSW_USB_SAV |= env->PSW_USB_AV;
+
+ return ret;
+}
+
+uint32_t helper_sha_h(target_ulong r1, target_ulong r2)
+{
+ int32_t shift_count;
+ int32_t ret_hw0, ret_hw1;
+
+ shift_count = sextract32(r2, 0, 5);
+
+ if (shift_count == 0) {
+ return r1;
+ } else if (shift_count < 0) {
+ ret_hw0 = sextract32(r1, 0, 16) >> -shift_count;
+ ret_hw1 = sextract32(r1, 16, 16) >> -shift_count;
+ return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
+ } else {
+ ret_hw0 = sextract32(r1, 0, 16) << shift_count;
+ ret_hw1 = sextract32(r1, 16, 16) << shift_count;
+ return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
+ }
+}
+
+uint32_t helper_bmerge(target_ulong r1, target_ulong r2)
+{
+ uint32_t i, ret;
+
+ ret = 0;
+ for (i = 0; i < 16; i++) {
+ ret |= (r1 & 1) << (2 * i + 1);
+ ret |= (r2 & 1) << (2 * i);
+ r1 = r1 >> 1;
+ r2 = r2 >> 1;
+ }
+ return ret;
+}
+
+uint64_t helper_bsplit(uint32_t r1)
+{
+ int32_t i;
+ uint64_t ret;
+
+ ret = 0;
+ for (i = 0; i < 32; i = i + 2) {
+ /* even */
+ ret |= (r1 & 1) << (i/2);
+ r1 = r1 >> 1;
+ /* odd */
+ ret |= (uint64_t)(r1 & 1) << (i/2 + 32);
+ r1 = r1 >> 1;
+ }
+ return ret;
+}
+
+uint32_t helper_parity(target_ulong r1)
+{
+ uint32_t ret;
+ uint32_t nOnes, i;
+
+ ret = 0;
+ nOnes = 0;
+ for (i = 0; i < 8; i++) {
+ ret ^= (r1 & 1);
+ r1 = r1 >> 1;
+ }
+ /* second byte */
+ nOnes = 0;
+ for (i = 0; i < 8; i++) {
+ nOnes ^= (r1 & 1);
+ r1 = r1 >> 1;
+ }
+ ret |= nOnes << 8;
+ /* third byte */
+ nOnes = 0;
+ for (i = 0; i < 8; i++) {
+ nOnes ^= (r1 & 1);
+ r1 = r1 >> 1;
+ }
+ ret |= nOnes << 16;
+ /* fourth byte */
+ nOnes = 0;
+ for (i = 0; i < 8; i++) {
+ nOnes ^= (r1 & 1);
+ r1 = r1 >> 1;
+ }
+ ret |= nOnes << 24;
+
+ return ret;
+}
+
+uint32_t helper_pack(uint32_t carry, uint32_t r1_low, uint32_t r1_high,
+ target_ulong r2)
+{
+ uint32_t ret;
+ int32_t fp_exp, fp_frac, temp_exp, fp_exp_frac;
+ int32_t int_exp = r1_high;
+ int32_t int_mant = r1_low;
+ uint32_t flag_rnd = (int_mant & (1 << 7)) && (
+ (int_mant & (1 << 8)) ||
+ (int_mant & 0x7f) ||
+ (carry != 0));
+ if (((int_mant & (1<<31)) == 0) && (int_exp == 255)) {
+ fp_exp = 255;
+ fp_frac = extract32(int_mant, 8, 23);
+ } else if ((int_mant & (1<<31)) && (int_exp >= 127)) {
+ fp_exp = 255;
+ fp_frac = 0;
+ } else if ((int_mant & (1<<31)) && (int_exp <= -128)) {
+ fp_exp = 0;
+ fp_frac = 0;
+ } else if (int_mant == 0) {
+ fp_exp = 0;
+ fp_frac = 0;
+ } else {
+ if (((int_mant & (1 << 31)) == 0)) {
+ temp_exp = 0;
+ } else {
+ temp_exp = int_exp + 128;
+ }
+ fp_exp_frac = (((temp_exp & 0xff) << 23) |
+ extract32(int_mant, 8, 23))
+ + flag_rnd;
+ fp_exp = extract32(fp_exp_frac, 23, 8);
+ fp_frac = extract32(fp_exp_frac, 0, 23);
+ }
+ ret = r2 & (1 << 31);
+ ret = ret + (fp_exp << 23);
+ ret = ret + (fp_frac & 0x7fffff);
+
+ return ret;
+}
+
+uint64_t helper_unpack(target_ulong arg1)
+{
+ int32_t fp_exp = extract32(arg1, 23, 8);
+ int32_t fp_frac = extract32(arg1, 0, 23);
+ uint64_t ret;
+ int32_t int_exp, int_mant;
+
+ if (fp_exp == 255) {
+ int_exp = 255;
+ int_mant = (fp_frac << 7);
+ } else if ((fp_exp == 0) && (fp_frac == 0)) {
+ int_exp = -127;
+ int_mant = 0;
+ } else if ((fp_exp == 0) && (fp_frac != 0)) {
+ int_exp = -126;
+ int_mant = (fp_frac << 7);
+ } else {
+ int_exp = fp_exp - 127;
+ int_mant = (fp_frac << 7);
+ int_mant |= (1 << 30);
+ }
+ ret = int_exp;
+ ret = ret << 32;
+ ret |= int_mant;
+
+ return ret;
+}
+
+uint64_t helper_dvinit_b_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ uint64_t ret;
+ int32_t abs_sig_dividend, abs_divisor;
+
+ ret = sextract32(r1, 0, 32);
+ ret = ret << 24;
+ if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
+ ret |= 0xffffff;
+ }
+
+ abs_sig_dividend = abs((int32_t)r1) >> 8;
+ abs_divisor = abs((int32_t)r2);
+ /* calc overflow
+ ofv if (a/b >= 255) <=> (a/255 >= b) */
+ env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31;
+ env->PSW_USB_V = env->PSW_USB_V << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = 0;
+
+ return ret;
+}
+
+uint64_t helper_dvinit_b_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ uint64_t ret = sextract32(r1, 0, 32);
+
+ ret = ret << 24;
+ if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
+ ret |= 0xffffff;
+ }
+ /* calc overflow */
+ env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffffff80)));
+ env->PSW_USB_V = env->PSW_USB_V << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = 0;
+
+ return ret;
+}
+
+uint64_t helper_dvinit_h_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ uint64_t ret;
+ int32_t abs_sig_dividend, abs_divisor;
+
+ ret = sextract32(r1, 0, 32);
+ ret = ret << 16;
+ if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
+ ret |= 0xffff;
+ }
+
+ abs_sig_dividend = abs((int32_t)r1) >> 16;
+ abs_divisor = abs((int32_t)r2);
+ /* calc overflow
+ ofv if (a/b >= 0xffff) <=> (a/0xffff >= b) */
+ env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31;
+ env->PSW_USB_V = env->PSW_USB_V << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = 0;
+
+ return ret;
+}
+
+uint64_t helper_dvinit_h_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ uint64_t ret = sextract32(r1, 0, 32);
+
+ ret = ret << 16;
+ if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
+ ret |= 0xffff;
+ }
+ /* calc overflow */
+ env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffff8000)));
+ env->PSW_USB_V = env->PSW_USB_V << 31;
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = 0;
+
+ return ret;
+}
+
+uint64_t helper_dvadj(uint64_t r1, uint32_t r2)
+{
+ int32_t x_sign = (r1 >> 63);
+ int32_t q_sign = x_sign ^ (r2 >> 31);
+ int32_t eq_pos = x_sign & ((r1 >> 32) == r2);
+ int32_t eq_neg = x_sign & ((r1 >> 32) == -r2);
+ uint32_t quotient;
+ uint64_t ret, remainder;
+
+ if ((q_sign & ~eq_neg) | eq_pos) {
+ quotient = (r1 + 1) & 0xffffffff;
+ } else {
+ quotient = r1 & 0xffffffff;
+ }
+
+ if (eq_pos | eq_neg) {
+ remainder = 0;
+ } else {
+ remainder = (r1 & 0xffffffff00000000ull);
+ }
+ ret = remainder|quotient;
+ return ret;
+}
+
+uint64_t helper_dvstep(uint64_t r1, uint32_t r2)
+{
+ int32_t dividend_sign = extract64(r1, 63, 1);
+ int32_t divisor_sign = extract32(r2, 31, 1);
+ int32_t quotient_sign = (dividend_sign != divisor_sign);
+ int32_t addend, dividend_quotient, remainder;
+ int32_t i, temp;
+
+ if (quotient_sign) {
+ addend = r2;
+ } else {
+ addend = -r2;
+ }
+ dividend_quotient = (int32_t)r1;
+ remainder = (int32_t)(r1 >> 32);
+
+ for (i = 0; i < 8; i++) {
+ remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1);
+ dividend_quotient <<= 1;
+ temp = remainder + addend;
+ if ((temp < 0) == dividend_sign) {
+ remainder = temp;
+ }
+ if (((temp < 0) == dividend_sign)) {
+ dividend_quotient = dividend_quotient | !quotient_sign;
+ } else {
+ dividend_quotient = dividend_quotient | quotient_sign;
+ }
+ }
+ return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient;
+}
+
+uint64_t helper_dvstep_u(uint64_t r1, uint32_t r2)
+{
+ int32_t dividend_quotient = extract64(r1, 0, 32);
+ int64_t remainder = extract64(r1, 32, 32);
+ int32_t i;
+ int64_t temp;
+ for (i = 0; i < 8; i++) {
+ remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1);
+ dividend_quotient <<= 1;
+ temp = (remainder & 0xffffffff) - r2;
+ if (temp >= 0) {
+ remainder = temp;
+ }
+ dividend_quotient = dividend_quotient | !(temp < 0);
+ }
+ return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient;
+}
+
+uint64_t helper_divide(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ int32_t quotient, remainder;
+ int32_t dividend = (int32_t)r1;
+ int32_t divisor = (int32_t)r2;
+
+ if (divisor == 0) {
+ if (dividend >= 0) {
+ quotient = 0x7fffffff;
+ remainder = 0;
+ } else {
+ quotient = 0x80000000;
+ remainder = 0;
+ }
+ env->PSW_USB_V = (1 << 31);
+ } else if ((divisor == 0xffffffff) && (dividend == 0x80000000)) {
+ quotient = 0x7fffffff;
+ remainder = 0;
+ env->PSW_USB_V = (1 << 31);
+ } else {
+ remainder = dividend % divisor;
+ quotient = (dividend - remainder)/divisor;
+ env->PSW_USB_V = 0;
+ }
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = 0;
+ return ((uint64_t)remainder << 32) | (uint32_t)quotient;
+}
+
+uint64_t helper_divide_u(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ uint32_t quotient, remainder;
+ uint32_t dividend = r1;
+ uint32_t divisor = r2;
+
+ if (divisor == 0) {
+ quotient = 0xffffffff;
+ remainder = 0;
+ env->PSW_USB_V = (1 << 31);
+ } else {
+ remainder = dividend % divisor;
+ quotient = (dividend - remainder)/divisor;
+ env->PSW_USB_V = 0;
+ }
+ env->PSW_USB_SV |= env->PSW_USB_V;
+ env->PSW_USB_AV = 0;
+ return ((uint64_t)remainder << 32) | quotient;
+}
+
+uint64_t helper_mul_h(uint32_t arg00, uint32_t arg01,
+ uint32_t arg10, uint32_t arg11, uint32_t n)
+{
+ uint64_t ret;
+ uint32_t result0, result1;
+
+ int32_t sc1 = ((arg00 & 0xffff) == 0x8000) &&
+ ((arg10 & 0xffff) == 0x8000) && (n == 1);
+ int32_t sc0 = ((arg01 & 0xffff) == 0x8000) &&
+ ((arg11 & 0xffff) == 0x8000) && (n == 1);
+ if (sc1) {
+ result1 = 0x7fffffff;
+ } else {
+ result1 = (((uint32_t)(arg00 * arg10)) << n);
+ }
+ if (sc0) {
+ result0 = 0x7fffffff;
+ } else {
+ result0 = (((uint32_t)(arg01 * arg11)) << n);
+ }
+ ret = (((uint64_t)result1 << 32)) | result0;
+ return ret;
+}
+
+uint64_t helper_mulm_h(uint32_t arg00, uint32_t arg01,
+ uint32_t arg10, uint32_t arg11, uint32_t n)
+{
+ uint64_t ret;
+ int64_t result0, result1;
+
+ int32_t sc1 = ((arg00 & 0xffff) == 0x8000) &&
+ ((arg10 & 0xffff) == 0x8000) && (n == 1);
+ int32_t sc0 = ((arg01 & 0xffff) == 0x8000) &&
+ ((arg11 & 0xffff) == 0x8000) && (n == 1);
+
+ if (sc1) {
+ result1 = 0x7fffffff;
+ } else {
+ result1 = (((int32_t)arg00 * (int32_t)arg10) << n);
+ }
+ if (sc0) {
+ result0 = 0x7fffffff;
+ } else {
+ result0 = (((int32_t)arg01 * (int32_t)arg11) << n);
+ }
+ ret = (result1 + result0);
+ ret = ret << 16;
+ return ret;
+}
+uint32_t helper_mulr_h(uint32_t arg00, uint32_t arg01,
+ uint32_t arg10, uint32_t arg11, uint32_t n)
+{
+ uint32_t result0, result1;
+
+ int32_t sc1 = ((arg00 & 0xffff) == 0x8000) &&
+ ((arg10 & 0xffff) == 0x8000) && (n == 1);
+ int32_t sc0 = ((arg01 & 0xffff) == 0x8000) &&
+ ((arg11 & 0xffff) == 0x8000) && (n == 1);
+
+ if (sc1) {
+ result1 = 0x7fffffff;
+ } else {
+ result1 = ((arg00 * arg10) << n) + 0x8000;
+ }
+ if (sc0) {
+ result0 = 0x7fffffff;
+ } else {
+ result0 = ((arg01 * arg11) << n) + 0x8000;
+ }
+ return (result1 & 0xffff0000) | (result0 >> 16);
+}
+
+uint32_t helper_crc32(uint32_t arg0, uint32_t arg1)
+{
+ uint8_t buf[4];
+ uint32_t ret;
+ stl_be_p(buf, arg0);
+
+ ret = crc32(arg1, buf, 4);
+ return ret;
+}
+
+/* context save area (CSA) related helpers */
+
+static int cdc_increment(target_ulong *psw)
+{
+ if ((*psw & MASK_PSW_CDC) == 0x7f) {
+ return 0;
+ }
+
+ (*psw)++;
+ /* check for overflow */
+ int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7));
+ int mask = (1u << (7 - lo)) - 1;
+ int count = *psw & mask;
+ if (count == 0) {
+ (*psw)--;
+ return 1;
+ }
+ return 0;
+}
+
+static int cdc_decrement(target_ulong *psw)
+{
+ if ((*psw & MASK_PSW_CDC) == 0x7f) {
+ return 0;
+ }
+ /* check for underflow */
+ int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7));
+ int mask = (1u << (7 - lo)) - 1;
+ int count = *psw & mask;
+ if (count == 0) {
+ return 1;
+ }
+ (*psw)--;
+ return 0;
+}
+
+static bool cdc_zero(target_ulong *psw)
+{
+ int cdc = *psw & MASK_PSW_CDC;
+ /* Returns TRUE if PSW.CDC.COUNT == 0 or if PSW.CDC ==
+ 7'b1111111, otherwise returns FALSE. */
+ if (cdc == 0x7f) {
+ return true;
+ }
+ /* find CDC.COUNT */
+ int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7));
+ int mask = (1u << (7 - lo)) - 1;
+ int count = *psw & mask;
+ return count == 0;
+}
+
+static void save_context_upper(CPUTriCoreState *env, int ea)
+{
+ cpu_stl_data(env, ea, env->PCXI);
+ cpu_stl_data(env, ea+4, env->PSW);
+ cpu_stl_data(env, ea+8, env->gpr_a[10]);
+ cpu_stl_data(env, ea+12, env->gpr_a[11]);
+ cpu_stl_data(env, ea+16, env->gpr_d[8]);
+ cpu_stl_data(env, ea+20, env->gpr_d[9]);
+ cpu_stl_data(env, ea+24, env->gpr_d[10]);
+ cpu_stl_data(env, ea+28, env->gpr_d[11]);
+ cpu_stl_data(env, ea+32, env->gpr_a[12]);
+ cpu_stl_data(env, ea+36, env->gpr_a[13]);
+ cpu_stl_data(env, ea+40, env->gpr_a[14]);
+ cpu_stl_data(env, ea+44, env->gpr_a[15]);
+ cpu_stl_data(env, ea+48, env->gpr_d[12]);
+ cpu_stl_data(env, ea+52, env->gpr_d[13]);
+ cpu_stl_data(env, ea+56, env->gpr_d[14]);
+ cpu_stl_data(env, ea+60, env->gpr_d[15]);
+}
+
+static void save_context_lower(CPUTriCoreState *env, int ea)
+{
+ cpu_stl_data(env, ea, env->PCXI);
+ cpu_stl_data(env, ea+4, env->gpr_a[11]);
+ cpu_stl_data(env, ea+8, env->gpr_a[2]);
+ cpu_stl_data(env, ea+12, env->gpr_a[3]);
+ cpu_stl_data(env, ea+16, env->gpr_d[0]);
+ cpu_stl_data(env, ea+20, env->gpr_d[1]);
+ cpu_stl_data(env, ea+24, env->gpr_d[2]);
+ cpu_stl_data(env, ea+28, env->gpr_d[3]);
+ cpu_stl_data(env, ea+32, env->gpr_a[4]);
+ cpu_stl_data(env, ea+36, env->gpr_a[5]);
+ cpu_stl_data(env, ea+40, env->gpr_a[6]);
+ cpu_stl_data(env, ea+44, env->gpr_a[7]);
+ cpu_stl_data(env, ea+48, env->gpr_d[4]);
+ cpu_stl_data(env, ea+52, env->gpr_d[5]);
+ cpu_stl_data(env, ea+56, env->gpr_d[6]);
+ cpu_stl_data(env, ea+60, env->gpr_d[7]);
+}
+
+static void restore_context_upper(CPUTriCoreState *env, int ea,
+ target_ulong *new_PCXI, target_ulong *new_PSW)
+{
+ *new_PCXI = cpu_ldl_data(env, ea);
+ *new_PSW = cpu_ldl_data(env, ea+4);
+ env->gpr_a[10] = cpu_ldl_data(env, ea+8);
+ env->gpr_a[11] = cpu_ldl_data(env, ea+12);
+ env->gpr_d[8] = cpu_ldl_data(env, ea+16);
+ env->gpr_d[9] = cpu_ldl_data(env, ea+20);
+ env->gpr_d[10] = cpu_ldl_data(env, ea+24);
+ env->gpr_d[11] = cpu_ldl_data(env, ea+28);
+ env->gpr_a[12] = cpu_ldl_data(env, ea+32);
+ env->gpr_a[13] = cpu_ldl_data(env, ea+36);
+ env->gpr_a[14] = cpu_ldl_data(env, ea+40);
+ env->gpr_a[15] = cpu_ldl_data(env, ea+44);
+ env->gpr_d[12] = cpu_ldl_data(env, ea+48);
+ env->gpr_d[13] = cpu_ldl_data(env, ea+52);
+ env->gpr_d[14] = cpu_ldl_data(env, ea+56);
+ env->gpr_d[15] = cpu_ldl_data(env, ea+60);
+}
+
+static void restore_context_lower(CPUTriCoreState *env, int ea,
+ target_ulong *ra, target_ulong *pcxi)
+{
+ *pcxi = cpu_ldl_data(env, ea);
+ *ra = cpu_ldl_data(env, ea+4);
+ env->gpr_a[2] = cpu_ldl_data(env, ea+8);
+ env->gpr_a[3] = cpu_ldl_data(env, ea+12);
+ env->gpr_d[0] = cpu_ldl_data(env, ea+16);
+ env->gpr_d[1] = cpu_ldl_data(env, ea+20);
+ env->gpr_d[2] = cpu_ldl_data(env, ea+24);
+ env->gpr_d[3] = cpu_ldl_data(env, ea+28);
+ env->gpr_a[4] = cpu_ldl_data(env, ea+32);
+ env->gpr_a[5] = cpu_ldl_data(env, ea+36);
+ env->gpr_a[6] = cpu_ldl_data(env, ea+40);
+ env->gpr_a[7] = cpu_ldl_data(env, ea+44);
+ env->gpr_d[4] = cpu_ldl_data(env, ea+48);
+ env->gpr_d[5] = cpu_ldl_data(env, ea+52);
+ env->gpr_d[6] = cpu_ldl_data(env, ea+56);
+ env->gpr_d[7] = cpu_ldl_data(env, ea+60);
+}
+
+void helper_call(CPUTriCoreState *env, uint32_t next_pc)
+{
+ target_ulong tmp_FCX;
+ target_ulong ea;
+ target_ulong new_FCX;
+ target_ulong psw;
+
+ psw = psw_read(env);
+ /* if (FCX == 0) trap(FCU); */
+ if (env->FCX == 0) {
+ /* FCU trap */
+ }
+ /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */
+ if (psw & MASK_PSW_CDE) {
+ if (cdc_increment(&psw)) {
+ /* CDO trap */
+ }
+ }
+ /* PSW.CDE = 1;*/
+ psw |= MASK_PSW_CDE;
+ /* tmp_FCX = FCX; */
+ tmp_FCX = env->FCX;
+ /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */
+ ea = ((env->FCX & MASK_FCX_FCXS) << 12) +
+ ((env->FCX & MASK_FCX_FCXO) << 6);
+ /* new_FCX = M(EA, word); */
+ new_FCX = cpu_ldl_data(env, ea);
+ /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11],
+ A[12], A[13], A[14], A[15], D[12], D[13], D[14],
+ D[15]}; */
+ save_context_upper(env, ea);
+
+ /* PCXI.PCPN = ICR.CCPN; */
+ env->PCXI = (env->PCXI & 0xffffff) +
+ ((env->ICR & MASK_ICR_CCPN) << 24);
+ /* PCXI.PIE = ICR.IE; */
+ env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) +
+ ((env->ICR & MASK_ICR_IE) << 15));
+ /* PCXI.UL = 1; */
+ env->PCXI |= MASK_PCXI_UL;
+
+ /* PCXI[19: 0] = FCX[19: 0]; */
+ env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
+ /* FCX[19: 0] = new_FCX[19: 0]; */
+ env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
+ /* A[11] = next_pc[31: 0]; */
+ env->gpr_a[11] = next_pc;
+
+ /* if (tmp_FCX == LCX) trap(FCD);*/
+ if (tmp_FCX == env->LCX) {
+ /* FCD trap */
+ }
+ psw_write(env, psw);
+}
+
+void helper_ret(CPUTriCoreState *env)
+{
+ target_ulong ea;
+ target_ulong new_PCXI;
+ target_ulong new_PSW, psw;
+
+ psw = psw_read(env);
+ /* if (PSW.CDE) then if (cdc_decrement()) then trap(CDU);*/
+ if (env->PSW & MASK_PSW_CDE) {
+ if (cdc_decrement(&(env->PSW))) {
+ /* CDU trap */
+ }
+ }
+ /* if (PCXI[19: 0] == 0) then trap(CSU); */
+ if ((env->PCXI & 0xfffff) == 0) {
+ /* CSU trap */
+ }
+ /* if (PCXI.UL == 0) then trap(CTYP); */
+ if ((env->PCXI & MASK_PCXI_UL) == 0) {
+ /* CTYP trap */
+ }
+ /* PC = {A11 [31: 1], 1’b0}; */
+ env->PC = env->gpr_a[11] & 0xfffffffe;
+
+ /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */
+ ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
+ ((env->PCXI & MASK_PCXI_PCXO) << 6);
+ /* {new_PCXI, new_PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12],
+ A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
+ restore_context_upper(env, ea, &new_PCXI, &new_PSW);
+ /* M(EA, word) = FCX; */
+ cpu_stl_data(env, ea, env->FCX);
+ /* FCX[19: 0] = PCXI[19: 0]; */
+ env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff);
+ /* PCXI = new_PCXI; */
+ env->PCXI = new_PCXI;
+
+ if (tricore_feature(env, TRICORE_FEATURE_13)) {
+ /* PSW = new_PSW */
+ psw_write(env, new_PSW);
+ } else {
+ /* PSW = {new_PSW[31:26], PSW[25:24], new_PSW[23:0]}; */
+ psw_write(env, (new_PSW & ~(0x3000000)) + (psw & (0x3000000)));
+ }
+}
+
+void helper_bisr(CPUTriCoreState *env, uint32_t const9)
+{
+ target_ulong tmp_FCX;
+ target_ulong ea;
+ target_ulong new_FCX;
+
+ if (env->FCX == 0) {
+ /* FCU trap */
+ }
+
+ tmp_FCX = env->FCX;
+ ea = ((env->FCX & 0xf0000) << 12) + ((env->FCX & 0xffff) << 6);
+
+ /* new_FCX = M(EA, word); */
+ new_FCX = cpu_ldl_data(env, ea);
+ /* M(EA, 16 * word) = {PCXI, A[11], A[2], A[3], D[0], D[1], D[2], D[3], A[4]
+ , A[5], A[6], A[7], D[4], D[5], D[6], D[7]}; */
+ save_context_lower(env, ea);
+
+
+ /* PCXI.PCPN = ICR.CCPN */
+ env->PCXI = (env->PCXI & 0xffffff) +
+ ((env->ICR & MASK_ICR_CCPN) << 24);
+ /* PCXI.PIE = ICR.IE */
+ env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) +
+ ((env->ICR & MASK_ICR_IE) << 15));
+ /* PCXI.UL = 0 */
+ env->PCXI &= ~(MASK_PCXI_UL);
+ /* PCXI[19: 0] = FCX[19: 0] */
+ env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
+ /* FXC[19: 0] = new_FCX[19: 0] */
+ env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
+ /* ICR.IE = 1 */
+ env->ICR |= MASK_ICR_IE;
+
+ env->ICR |= const9; /* ICR.CCPN = const9[7: 0];*/
+
+ if (tmp_FCX == env->LCX) {
+ /* FCD trap */
+ }
+}
+
+void helper_rfe(CPUTriCoreState *env)
+{
+ target_ulong ea;
+ target_ulong new_PCXI;
+ target_ulong new_PSW;
+ /* if (PCXI[19: 0] == 0) then trap(CSU); */
+ if ((env->PCXI & 0xfffff) == 0) {
+ /* raise csu trap */
+ }
+ /* if (PCXI.UL == 0) then trap(CTYP); */
+ if ((env->PCXI & MASK_PCXI_UL) == 0) {
+ /* raise CTYP trap */
+ }
+ /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */
+ if (!cdc_zero(&(env->PSW)) && (env->PSW & MASK_PSW_CDE)) {
+ /* raise MNG trap */
+ }
+ env->PC = env->gpr_a[11] & ~0x1;
+ /* ICR.IE = PCXI.PIE; */
+ env->ICR = (env->ICR & ~MASK_ICR_IE) + ((env->PCXI & MASK_PCXI_PIE) >> 15);
+ /* ICR.CCPN = PCXI.PCPN; */
+ env->ICR = (env->ICR & ~MASK_ICR_CCPN) +
+ ((env->PCXI & MASK_PCXI_PCPN) >> 24);
+ /*EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0};*/
+ ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
+ ((env->PCXI & MASK_PCXI_PCXO) << 6);
+ /*{new_PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12],
+ A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
+ restore_context_upper(env, ea, &new_PCXI, &new_PSW);
+ /* M(EA, word) = FCX;*/
+ cpu_stl_data(env, ea, env->FCX);
+ /* FCX[19: 0] = PCXI[19: 0]; */
+ env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff);
+ /* PCXI = new_PCXI; */
+ env->PCXI = new_PCXI;
+ /* write psw */
+ psw_write(env, new_PSW);
+}
+
+void helper_rfm(CPUTriCoreState *env)
+{
+ env->PC = (env->gpr_a[11] & ~0x1);
+ /* ICR.IE = PCXI.PIE; */
+ env->ICR = (env->ICR & ~MASK_ICR_IE) |
+ ((env->PCXI & MASK_PCXI_PIE) >> 15);
+ /* ICR.CCPN = PCXI.PCPN; */
+ env->ICR = (env->ICR & ~MASK_ICR_CCPN) |
+ ((env->PCXI & MASK_PCXI_PCPN) >> 24);
+ /* {PCXI, PSW, A[10], A[11]} = M(DCX, 4 * word); */
+ env->PCXI = cpu_ldl_data(env, env->DCX);
+ psw_write(env, cpu_ldl_data(env, env->DCX+4));
+ env->gpr_a[10] = cpu_ldl_data(env, env->DCX+8);
+ env->gpr_a[11] = cpu_ldl_data(env, env->DCX+12);
+
+ if (tricore_feature(env, TRICORE_FEATURE_131)) {
+ env->DBGTCR = 0;
+ }
+}
+
+void helper_ldlcx(CPUTriCoreState *env, uint32_t ea)
+{
+ uint32_t dummy;
+ /* insn doesn't load PCXI and RA */
+ restore_context_lower(env, ea, &dummy, &dummy);
+}
+
+void helper_lducx(CPUTriCoreState *env, uint32_t ea)
+{
+ uint32_t dummy;
+ /* insn doesn't load PCXI and PSW */
+ restore_context_upper(env, ea, &dummy, &dummy);
+}
+
+void helper_stlcx(CPUTriCoreState *env, uint32_t ea)
+{
+ save_context_lower(env, ea);
+}
+
+void helper_stucx(CPUTriCoreState *env, uint32_t ea)
+{
+ save_context_upper(env, ea);
+}
+
+void helper_svlcx(CPUTriCoreState *env)
+{
+ target_ulong tmp_FCX;
+ target_ulong ea;
+ target_ulong new_FCX;
+
+ if (env->FCX == 0) {
+ /* FCU trap */
+ }
+ /* tmp_FCX = FCX; */
+ tmp_FCX = env->FCX;
+ /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */
+ ea = ((env->FCX & MASK_FCX_FCXS) << 12) +
+ ((env->FCX & MASK_FCX_FCXO) << 6);
+ /* new_FCX = M(EA, word); */
+ new_FCX = cpu_ldl_data(env, ea);
+ /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11],
+ A[12], A[13], A[14], A[15], D[12], D[13], D[14],
+ D[15]}; */
+ save_context_lower(env, ea);
+
+ /* PCXI.PCPN = ICR.CCPN; */
+ env->PCXI = (env->PCXI & 0xffffff) +
+ ((env->ICR & MASK_ICR_CCPN) << 24);
+ /* PCXI.PIE = ICR.IE; */
+ env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) +
+ ((env->ICR & MASK_ICR_IE) << 15));
+ /* PCXI.UL = 0; */
+ env->PCXI &= ~MASK_PCXI_UL;
+
+ /* PCXI[19: 0] = FCX[19: 0]; */
+ env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
+ /* FCX[19: 0] = new_FCX[19: 0]; */
+ env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
+
+ /* if (tmp_FCX == LCX) trap(FCD);*/
+ if (tmp_FCX == env->LCX) {
+ /* FCD trap */
+ }
+}
+
+void helper_rslcx(CPUTriCoreState *env)
+{
+ target_ulong ea;
+ target_ulong new_PCXI;
+ /* if (PCXI[19: 0] == 0) then trap(CSU); */
+ if ((env->PCXI & 0xfffff) == 0) {
+ /* CSU trap */
+ }
+ /* if (PCXI.UL == 1) then trap(CTYP); */
+ if ((env->PCXI & MASK_PCXI_UL) != 0) {
+ /* CTYP trap */
+ }
+ /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */
+ ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
+ ((env->PCXI & MASK_PCXI_PCXO) << 6);
+ /* {new_PCXI, A[11], A[10], A[11], D[8], D[9], D[10], D[11], A[12],
+ A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
+ restore_context_lower(env, ea, &env->gpr_a[11], &new_PCXI);
+ /* M(EA, word) = FCX; */
+ cpu_stl_data(env, ea, env->FCX);
+ /* M(EA, word) = FCX; */
+ cpu_stl_data(env, ea, env->FCX);
+ /* FCX[19: 0] = PCXI[19: 0]; */
+ env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff);
+ /* PCXI = new_PCXI; */
+ env->PCXI = new_PCXI;
+}
+
+void helper_psw_write(CPUTriCoreState *env, uint32_t arg)
+{
+ psw_write(env, arg);
+}
+
+uint32_t helper_psw_read(CPUTriCoreState *env)
+{
+ return psw_read(env);
+}
+
+
+static inline void QEMU_NORETURN do_raise_exception_err(CPUTriCoreState *env,
+ uint32_t exception,
+ int error_code,
+ uintptr_t pc)
+{
+ CPUState *cs = CPU(tricore_env_get_cpu(env));
+ cs->exception_index = exception;
+ env->error_code = error_code;
+
+ if (pc) {
+ /* now we have a real cpu fault */
+ cpu_restore_state(cs, pc);
+ }
+
+ cpu_loop_exit(cs);
+}
+
+void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
+ uintptr_t retaddr)
+{
+ int ret;
+ ret = cpu_tricore_handle_mmu_fault(cs, addr, is_write, mmu_idx);
+ if (ret) {
+ TriCoreCPU *cpu = TRICORE_CPU(cs);
+ CPUTriCoreState *env = &cpu->env;
+ do_raise_exception_err(env, cs->exception_index,
+ env->error_code, retaddr);
+ }
+}
Code Review / kvmfornfv.git / blobdiff