diff --git a/litex/soc/cores/cpu/__init__.py b/litex/soc/cores/cpu/__init__.py
index bc1067123..4c273e50b 100644
--- a/litex/soc/cores/cpu/__init__.py
+++ b/litex/soc/cores/cpu/__init__.py
@@ -88,6 +88,7 @@ CPU_VARIANTS = {
     "minimal" :   ["min",],
     "lite" :      ["light", "zephyr", "nuttx"],
     "standard":   [None, "std"],
+    "imac":       [],
     "full":       [],
     "linux" :     [],
     "linuxd" :    [],
diff --git a/litex/soc/cores/cpu/vexriscv/core.py b/litex/soc/cores/cpu/vexriscv/core.py
index dc267ce98..9b981506f 100644
--- a/litex/soc/cores/cpu/vexriscv/core.py
+++ b/litex/soc/cores/cpu/vexriscv/core.py
@@ -25,6 +25,8 @@ CPU_VARIANTS = {
     "lite+debug":       "VexRiscv_LiteDebug",
     "standard":         "VexRiscv",
     "standard+debug":   "VexRiscv_Debug",
+    "imac":             "VexRiscv_IMAC",
+    "imac+debug":       "VexRiscv_IMACDebug",
     "full":             "VexRiscv_Full",
     "full+debug":       "VexRiscv_FullDebug",
     "linux":            "VexRiscv_Linux",
@@ -47,6 +49,8 @@ GCC_FLAGS = {
     "lite+debug":       "-march=rv32i      -mabi=ilp32",
     "standard":         "-march=rv32im     -mabi=ilp32",
     "standard+debug":   "-march=rv32im     -mabi=ilp32",
+    "imac":             "-march=rv32imac   -mabi=ilp32",
+    "imac+debug":       "-march=rv32imac   -mabi=ilp32",
     "full":             "-march=rv32im     -mabi=ilp32",
     "full+debug":       "-march=rv32im     -mabi=ilp32",
     "linux":            "-march=rv32ima    -mabi=ilp32",