diff --git a/Makefile.prebuild b/Makefile.prebuild
index b00f13368..48fb5e991 100644
--- a/Makefile.prebuild
+++ b/Makefile.prebuild
@@ -17,7 +17,11 @@ ifdef CPUIDEMU
 EXFLAGS = -DCPUIDEMU -DVENDOR=99
 endif
 
-ifeq ($(TARGET), 1004K)
+ifeq ($(TARGET), MIPS24K)
+TARGET_FLAGS = -mips32r2
+endif
+
+ifeq ($(TARGET), MIPS1004K)
 TARGET_FLAGS = -mips32r2
 endif
 
diff --git a/Makefile.system b/Makefile.system
index 2998c0e6a..51bd1c4bd 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -690,7 +690,12 @@ CCOMMON_OPT += -march=mips64
 FCOMMON_OPT += -march=mips64
 endif
 
-ifeq ($(CORE), 1004K)
+ifeq ($(CORE), MIPS24K)
+CCOMMON_OPT += -mips32r2 -mtune=24kc  $(MSA_FLAGS)
+FCOMMON_OPT += -mips32r2 -mtune=24kc  $(MSA_FLAGS)
+endif
+
+ifeq ($(CORE), MIPS1004K)
 CCOMMON_OPT += -mips32r2   $(MSA_FLAGS)
 FCOMMON_OPT += -mips32r2   $(MSA_FLAGS)
 endif
@@ -1390,6 +1395,8 @@ export FUNCTION_PROFILE
 export TARGET_CORE
 export NO_AVX512
 
+export SHGEMM_UNROLL_M
+export SHGEMM_UNROLL_N
 export SGEMM_UNROLL_M
 export SGEMM_UNROLL_N
 export DGEMM_UNROLL_M