fix CostEstimator

crates/core/machine/src/riscv/cost.rs

@@ -1,7 +1,7 @@
 use p3_baby_bear::BabyBear;
 use sp1_core_executor::{syscalls::SyscallCode, ExecutionReport, Opcode};
 
-use crate::riscv::RiscvAirDiscriminants;
+use crate::{riscv::RiscvAirDiscriminants, syscall::precompiles::bn254_scalar};
 
 use super::RiscvAir;
 
@@ -136,6 +136,26 @@ impl CostEstimator for ExecutionReport {
         total_area += (bn254_fp2_mul_events as u64) * costs[&RiscvAirDiscriminants::Bn254Fp2Mul];
         total_chips += 1;
 
+        let bn254_scalar_mul_events =
+            *self.syscall_counts.get(&SyscallCode::BN254_SCALAR_MUL).unwrap_or(&0);
+        total_area +=
+            (bn254_scalar_mul_events as u64) * costs[&RiscvAirDiscriminants::Bn254ScalarMul];
+        total_chips += 1;
+
+        let bn254_scalar_mac_events =
+            *self.syscall_counts.get(&SyscallCode::BN254_SCALAR_MAC).unwrap_or(&0);
+        total_area +=
+            (bn254_scalar_mac_events as u64) * costs[&RiscvAirDiscriminants::Bn254ScalarMac];
+        total_chips += 1;
+
+        let mem_copy_32_events = *self.syscall_counts.get(&SyscallCode::MEMCPY_32).unwrap_or(&0);
+        total_area += (mem_copy_32_events as u64) * costs[&RiscvAirDiscriminants::MemCopy32];
+        total_chips += 1;
+
+        let mem_copy_64_events = *self.syscall_counts.get(&SyscallCode::MEMCPY_64).unwrap_or(&0);
+        total_area += (mem_copy_64_events as u64) * costs[&RiscvAirDiscriminants::MemCopy64];
+        total_chips += 1;
+
         let bls12381_decompress_events =
             *self.syscall_counts.get(&SyscallCode::BLS12381_DECOMPRESS).unwrap_or(&0);
         total_area +=