Suppress unused-argument warnings (-Wextra)

riscv/clint.cc

@@ -119,7 +119,7 @@ void clint_t::tick(reg_t rtc_ticks)
 }
 
 clint_t* clint_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base,
-    const std::vector<std::string>& UNUSED sargs) {
+    const std::vector<std::string>& sargs UNUSED) {
   if (fdt_parse_clint(fdt, base, "riscv,clint0") == 0 || fdt_parse_clint(fdt, base, "sifive,clint0") == 0)
     return new clint_t(sim,
                        sim->CPU_HZ / sim->INSNS_PER_RTC_TICK,
@@ -128,7 +128,7 @@ clint_t* clint_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base,
     return nullptr;
 }
 
-std::string clint_generate_dts(const sim_t* sim, const std::vector<std::string>& UNUSED sargs) {
+std::string clint_generate_dts(const sim_t* sim, const std::vector<std::string>& sargs UNUSED) {
   std::stringstream s;
   s << std::hex
     << "    clint@" << CLINT_BASE << " {\n"

riscv/csrs.cc

@@ -1811,7 +1811,7 @@ srmcfg_csr_t::srmcfg_csr_t(processor_t* const proc, const reg_t addr, const reg_
   masked_csr_t(proc, addr, mask, init) {
 }
 
-void srmcfg_csr_t::verify_permissions(insn_t insn, bool write) const {
+void srmcfg_csr_t::verify_permissions(insn_t insn, bool write UNUSED) const {
   if (!proc->extension_enabled(EXT_SSQOSID))
     throw trap_illegal_instruction(insn.bits());
 

riscv/ns16550.cc

@@ -328,7 +328,7 @@ void ns16550_t::tick(reg_t UNUSED rtc_ticks)
   update_interrupt();
 }
 
-std::string ns16550_generate_dts(const sim_t* sim, const std::vector<std::string>& UNUSED sargs)
+std::string ns16550_generate_dts(const sim_t* sim, const std::vector<std::string>& sargs UNUSED)
 {
   std::stringstream s;
   s << std::hex
@@ -348,7 +348,7 @@ std::string ns16550_generate_dts(const sim_t* sim, const std::vector<std::string
   return s.str();
 }
 
-ns16550_t* ns16550_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base, const std::vector<std::string>& UNUSED sargs)
+ns16550_t* ns16550_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base, const std::vector<std::string>& sargs UNUSED)
 {
   uint32_t ns16550_shift, ns16550_io_width, ns16550_int_id;
   if (fdt_parse_ns16550(fdt, base,

riscv/plic.cc

@@ -403,7 +403,7 @@ bool plic_t::store(reg_t addr, size_t len, const uint8_t* bytes)
   return ret;
 }
 
-std::string plic_generate_dts(const sim_t* sim, const std::vector<std::string>& UNUSED sargs)
+std::string plic_generate_dts(const sim_t* sim, const std::vector<std::string>& sargs UNUSED)
 {
   std::stringstream s;
   s << std::hex
@@ -426,7 +426,7 @@ std::string plic_generate_dts(const sim_t* sim, const std::vector<std::string>&
   return s.str();
 }
 
-plic_t* plic_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base, const std::vector<std::string>& UNUSED sargs)
+plic_t* plic_parse_from_fdt(const void* fdt, const sim_t* sim, reg_t* base, const std::vector<std::string>& sargs UNUSED)
 {
   uint32_t plic_ndev;
   if (fdt_parse_plic(fdt, base, &plic_ndev, "riscv,plic0") == 0 ||