cleansup htif call

src/iss/arch/riscv_hart_common.h

@@ -399,6 +399,7 @@ template <typename BASE, typename LOGCAT = logging::disass> struct riscv_hart_co
             CPPLOG(INFO) << "tohost send '" << io_buf.str() << "'";
         }
     }
+
     std::unordered_map<std::string, uint64_t> symbol_table;
     uint64_t entry_address{0};
     uint64_t tohost = std::numeric_limits<uint64_t>::max();

src/iss/mmio/memory_with_htif.h

@@ -40,14 +40,8 @@ private:
         std::copy(data, data + length, p.data() + (addr & mem.page_addr_mask));
         // this->tohost handling in case of riscv-test
         // according to https://github.com/riscv-software-src/riscv-isa-sim/issues/364#issuecomment-607657754:
-        if(access && iss::access_type::FUNC) {
-            if(addr == hart_if.tohost) {
-                return hart_if.exec_htif(data);
-            }
-            if((WORD_LEN == 32 && addr == hart_if.fromhost + 4) || (WORD_LEN == 64 && addr == hart_if.fromhost)) {
-                uint64_t fhostvar = *reinterpret_cast<uint64_t*>(p.data() + (hart_if.fromhost & mem.page_addr_mask));
-                *reinterpret_cast<uint64_t*>(p.data() + (hart_if.tohost & mem.page_addr_mask)) = fhostvar;
-            }
+        if(access && iss::access_type::FUNC && addr == hart_if.tohost) {
+            return hart_if.exec_htif(data);
         }
         return iss::Ok;
     }