diff options
Diffstat (limited to 'target-tricore/op_helper.c')
| -rw-r--r-- | target-tricore/op_helper.c | 2842 |
1 files changed, 0 insertions, 2842 deletions
diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c deleted file mode 100644 index ac02e0a..0000000 --- a/target-tricore/op_helper.c +++ /dev/null @@ -1,2842 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#include "cpu.h" -#include "qemu/host-utils.h" -#include "exec/helper-proto.h" -#include "exec/exec-all.h" -#include "exec/cpu_ldst.h" -#include <zlib.h> /* for crc32 */ - - -/* Exception helpers */ - -static void QEMU_NORETURN -raise_exception_sync_internal(CPUTriCoreState *env, uint32_t class, int tin, - uintptr_t pc, uint32_t fcd_pc) -{ - CPUState *cs = CPU(tricore_env_get_cpu(env)); - /* in case we come from a helper-call we need to restore the PC */ - if (pc) { - cpu_restore_state(cs, pc); - } - - /* Tin is loaded into d[15] */ - env->gpr_d[15] = tin; - - if (class == TRAPC_CTX_MNG && tin == TIN3_FCU) { - /* upper context cannot be saved, if the context list is empty */ - } else { - helper_svucx(env); - } - - /* The return address in a[11] is updated */ - if (class == TRAPC_CTX_MNG && tin == TIN3_FCD) { - env->SYSCON |= MASK_SYSCON_FCD_SF; - /* when we run out of CSAs after saving a context a FCD trap is taken - and the return address is the start of the trap handler which used - the last CSA */ - env->gpr_a[11] = fcd_pc; - } else if (class == TRAPC_SYSCALL) { - env->gpr_a[11] = env->PC + 4; - } else { - env->gpr_a[11] = env->PC; - } - /* The stack pointer in A[10] is set to the Interrupt Stack Pointer (ISP) - when the processor was not previously using the interrupt stack - (in case of PSW.IS = 0). The stack pointer bit is set for using the - interrupt stack: PSW.IS = 1. */ - if ((env->PSW & MASK_PSW_IS) == 0) { - env->gpr_a[10] = env->ISP; - } - env->PSW |= MASK_PSW_IS; - /* The I/O mode is set to Supervisor mode, which means all permissions - are enabled: PSW.IO = 10 B .*/ - env->PSW |= (2 << 10); - - /*The current Protection Register Set is set to 0: PSW.PRS = 00 B .*/ - env->PSW &= ~MASK_PSW_PRS; - - /* The Call Depth Counter (CDC) is cleared, and the call depth limit is - set for 64: PSW.CDC = 0000000 B .*/ - env->PSW &= ~MASK_PSW_CDC; - - /* Call Depth Counter is enabled, PSW.CDE = 1. */ - env->PSW |= MASK_PSW_CDE; - - /* Write permission to global registers A[0], A[1], A[8], A[9] is - disabled: PSW.GW = 0. */ - env->PSW &= ~MASK_PSW_GW; - - /*The interrupt system is globally disabled: ICR.IE = 0. The ‘old’ - ICR.IE and ICR.CCPN are saved */ - - /* PCXI.PIE = ICR.IE */ - env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) + - ((env->ICR & MASK_ICR_IE) << 15)); - /* PCXI.PCPN = ICR.CCPN */ - env->PCXI = (env->PCXI & 0xffffff) + - ((env->ICR & MASK_ICR_CCPN) << 24); - /* Update PC using the trap vector table */ - env->PC = env->BTV | (class << 5); - - cpu_loop_exit(cs); -} - -void helper_raise_exception_sync(CPUTriCoreState *env, uint32_t class, - uint32_t tin) -{ - raise_exception_sync_internal(env, class, tin, 0, 0); -} - -static void raise_exception_sync_helper(CPUTriCoreState *env, uint32_t class, - uint32_t tin, uintptr_t pc) -{ - raise_exception_sync_internal(env, class, tin, pc, 0); -} - -/* 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 { - 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_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 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); - } - return remainder | quotient; -} - -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) -{ - 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); - } - return (((uint64_t)result1 << 32)) | result0; -} - -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]; - stl_be_p(buf, arg0); - - return crc32(arg1, buf, 4); -} - -/* 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, psw_read(env)); - 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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); - } - /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */ - if (psw & MASK_PSW_CDE) { - if (cdc_increment(&psw)) { - /* CDO trap */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDO, GETPC()); - } - } - /* 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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); - } - 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 (psw & MASK_PSW_CDE) { - if (cdc_decrement(&psw)) { - /* CDU trap */ - psw_write(env, psw); - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDU, GETPC()); - } - } - /* if (PCXI[19: 0] == 0) then trap(CSU); */ - if ((env->PCXI & 0xfffff) == 0) { - /* CSU trap */ - psw_write(env, psw); - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); - } - /* if (PCXI.UL == 0) then trap(CTYP); */ - if ((env->PCXI & MASK_PCXI_UL) == 0) { - /* CTYP trap */ - cdc_increment(&psw); /* restore to the start of helper */ - psw_write(env, psw); - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); - } - /* 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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); - } - - 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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); - } -} - -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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); - } - /* if (PCXI.UL == 0) then trap(CTYP); */ - if ((env->PCXI & MASK_PCXI_UL) == 0) { - /* raise CTYP trap */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); - } - /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */ - if (!cdc_zero(&(env->PSW)) && (env->PSW & MASK_PSW_CDE)) { - /* raise NEST trap */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_NEST, GETPC()); - } - 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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); - } - /* 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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); - } -} - -void helper_svucx(CPUTriCoreState *env) -{ - target_ulong tmp_FCX; - target_ulong ea; - target_ulong new_FCX; - - if (env->FCX == 0) { - /* FCU trap */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); - } - /* 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); - - /* if (tmp_FCX == LCX) trap(FCD);*/ - if (tmp_FCX == env->LCX) { - /* FCD trap */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); - } -} - -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 */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); - } - /* if (PCXI.UL == 1) then trap(CTYP); */ - if ((env->PCXI & MASK_PCXI_UL) != 0) { - /* CTYP trap */ - raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); - } - /* 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, MMUAccessType access_type, - int mmu_idx, uintptr_t retaddr) -{ - int ret; - ret = cpu_tricore_handle_mmu_fault(cs, addr, access_type, 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); - } -} |