rework abort conditions
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ff3fa19208
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4e0f20eba0
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@ -85,7 +85,7 @@ protected:
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inline const char *name(size_t index){return traits::reg_aliases.at(index);}
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virt_addr_t execute_inst(virt_addr_t start, std::function<bool(virt_addr_t&)> pred) override;
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virt_addr_t execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit) override;
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// some compile time constants
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// enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 };
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@ -273,19 +273,21 @@ vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
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}
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template <typename ARCH>
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typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(virt_addr_t start, std::function<bool(virt_addr_t&)> pred) {
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typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit){
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// we fetch at max 4 byte, alignment is 2
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enum {TRAP_ID=1<<16};
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code_word_t insn = 0;
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auto *const data = (uint8_t *)&insn;
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auto pc=start;
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while(pred(pc)){
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while(!core.should_stop() &&
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!((cond & finish_cond_e::COUNT_LIMIT) && core.get_icount() < icount)){
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auto res = fetch_ins(pc, data);
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if(res!=iss::Ok){
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auto new_pc = super::core.enter_trap(TRAP_ID, pc.val);
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res = fetch_ins(virt_addr_t{access_type::FETCH, new_pc}, data);
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if(res!=iss::Ok) throw simulation_stopped(0);
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}
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if ((cond & finish_cond_e::JUMP_TO_SELF) && (insn == 0x0000006f || (insn&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0'
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auto lut_val = extract_fields(insn);
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auto f = qlut[insn & 0x3][lut_val];
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if (!f)
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@ -85,7 +85,7 @@ protected:
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inline const char *name(size_t index){return traits::reg_aliases.at(index);}
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virt_addr_t execute_inst(virt_addr_t start, std::function<bool(virt_addr_t&)> pred) override;
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virt_addr_t execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit) override;
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// some compile time constants
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// enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 };
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@ -3436,19 +3436,23 @@ vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
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}
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template <typename ARCH>
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typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(virt_addr_t start, std::function<bool(virt_addr_t&)> pred) {
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typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit){
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// we fetch at max 4 byte, alignment is 2
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enum {TRAP_ID=1<<16};
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code_word_t insn = 0;
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auto *const data = (uint8_t *)&insn;
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auto pc=start;
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while(pred(pc)){
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while(!this->core.should_stop() &&
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!((cond & finish_cond_e::COUNT_LIMIT) == finish_cond_e::COUNT_LIMIT &&
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this->core.get_icount() < icount_limit)){
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auto res = fetch_ins(pc, data);
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if(res!=iss::Ok){
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auto new_pc = super::core.enter_trap(TRAP_ID, pc.val);
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res = fetch_ins(virt_addr_t{access_type::FETCH, new_pc}, data);
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if(res!=iss::Ok) throw simulation_stopped(0);
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}
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if ((cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF &&
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(insn == 0x0000006f || (insn&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0'
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auto lut_val = extract_fields(insn);
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auto f = qlut[insn & 0x3][lut_val];
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if (!f)
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