/* * Helpers for loads and stores * * Copyright (c) 2007 Jocelyn Mayer * * 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 2.1 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 "exec/helper-proto.h" #include "exec/exec-all.h" #include "exec/cpu_ldst.h" /* Softmmu support */ #ifndef CONFIG_USER_ONLY void alpha_cpu_do_unaligned_access(CPUState *cs, vaddr addr, MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) { AlphaCPU *cpu = ALPHA_CPU(cs); CPUAlphaState *env = &cpu->env; uint64_t pc; uint32_t insn; cpu_restore_state(cs, retaddr, true); pc = env->pc; insn = cpu_ldl_code(env, pc); env->trap_arg0 = addr; env->trap_arg1 = insn >> 26; /* opcode */ env->trap_arg2 = (insn >> 21) & 31; /* dest regno */ cs->exception_index = EXCP_UNALIGN; env->error_code = 0; cpu_loop_exit(cs); } void alpha_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr, unsigned size, MMUAccessType access_type, int mmu_idx, MemTxAttrs attrs, MemTxResult response, uintptr_t retaddr) { AlphaCPU *cpu = ALPHA_CPU(cs); CPUAlphaState *env = &cpu->env; env->trap_arg0 = addr; env->trap_arg1 = access_type == MMU_DATA_STORE ? 1 : 0; cs->exception_index = EXCP_MCHK; env->error_code = 0; cpu_loop_exit_restore(cs, retaddr); } #endif /* CONFIG_USER_ONLY */