diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8370125..1ebe2717 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,7 +150,7 @@ set(REDREAM_SOURCES
   src/emu/emulator.c
   src/emu/tracer.c
   src/hw/aica/aica.c
-  src/hw/arm/arm.c
+  src/hw/arm7/arm7.c
   src/hw/gdrom/disc.c
   src/hw/gdrom/gdrom.c
   src/hw/holly/holly.c
diff --git a/src/hw/aica/aica.c b/src/hw/aica/aica.c
index 1e0a2f60..e66e5f48 100644
--- a/src/hw/aica/aica.c
+++ b/src/hw/aica/aica.c
@@ -2,7 +2,7 @@
 #include "core/log.h"
 #include "core/option.h"
 #include "hw/aica/aica_types.h"
-#include "hw/arm/arm.h"
+#include "hw/arm7/arm7.h"
 #include "hw/dreamcast.h"
 #include "hw/holly/holly.h"
 #include "hw/memory.h"
@@ -338,9 +338,9 @@ static void aica_common_reg_write(struct aica *aica, uint32_t addr,
     } break;
     case 0x400: { /* ARMRST */
       if (data) {
-        arm_suspend(aica->arm);
+        arm7_suspend(aica->arm);
       } else {
-        arm_resume(aica->arm);
+        arm7_resume(aica->arm);
       }
     } break;
   }
@@ -441,7 +441,7 @@ static bool aica_init(struct device *dev) {
   aica_timer_init(aica);
   aica_rtc_init(aica);
 
-  arm_suspend(aica->arm);
+  arm7_suspend(aica->arm);
 
   return true;
 }
diff --git a/src/hw/arm/arm.c b/src/hw/arm/arm.c
deleted file mode 100644
index 435c246a..00000000
--- a/src/hw/arm/arm.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include "hw/arm/arm.h"
-#include "hw/aica/aica.h"
-#include "hw/dreamcast.h"
-
-struct arm {
-  struct device;
-};
-
-static bool arm_init(struct device *dev) {
-  // struct arm *arm = (struct arm *)dev;
-  return true;
-}
-
-static void arm_run(struct device *dev, int64_t ns) {
-  // struct arm *arm = (struct arm *)dev;
-}
-
-void arm_suspend(struct arm *arm) {
-  arm->execute_if->suspended = true;
-}
-
-void arm_resume(struct arm *arm) {
-  arm->execute_if->suspended = false;
-}
-
-struct arm *arm_create(struct dreamcast *dc) {
-  struct arm *arm = dc_create_device(dc, sizeof(struct arm), "arm", &arm_init);
-  arm->execute_if = dc_create_execute_interface(&arm_run);
-  arm->memory_if = dc_create_memory_interface(dc, &arm_data_map);
-  return arm;
-}
-
-void arm_destroy(struct arm *arm) {
-  dc_destroy_memory_interface(arm->memory_if);
-  dc_destroy_execute_interface(arm->execute_if);
-  dc_destroy_device((struct device *)arm);
-}
-
-// clang-format off
-AM_BEGIN(struct arm, arm_data_map);
-  AM_RANGE(0x00000000, 0x007fffff) AM_MASK(0x00ffffff) AM_DEVICE("aica", aica_data_map)
-  AM_RANGE(0x00800000, 0x00810fff) AM_MASK(0x00ffffff) AM_DEVICE("aica", aica_reg_map)
-AM_END();
-// clang-format on
diff --git a/src/hw/arm/arm.h b/src/hw/arm/arm.h
deleted file mode 100644
index 61d05e7a..00000000
--- a/src/hw/arm/arm.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef ARM_H
-#define ARM_H
-
-#include "hw/memory.h"
-
-struct arm;
-struct dreamcast;
-
-void arm_suspend(struct arm *arm);
-void arm_resume(struct arm *arm);
-
-struct arm *arm_create(struct dreamcast *dc);
-void arm_destroy(struct arm *arm);
-
-AM_DECLARE(arm_data_map);
-
-#endif
diff --git a/src/hw/arm7/arm7.c b/src/hw/arm7/arm7.c
new file mode 100644
index 00000000..c9620360
--- /dev/null
+++ b/src/hw/arm7/arm7.c
@@ -0,0 +1,44 @@
+#include "hw/arm7/arm7.h"
+#include "hw/aica/aica.h"
+#include "hw/dreamcast.h"
+
+struct arm7 {
+  struct device;
+};
+
+static bool arm7_init(struct device *dev) {
+  // struct arm7 *arm7 = (struct arm7 *)dev;
+  return true;
+}
+
+static void arm7_run(struct device *dev, int64_t ns) {
+  // struct arm *arm7 = (struct arm7 *)dev;
+}
+
+void arm7_suspend(struct arm7 *arm) {
+  arm->execute_if->suspended = true;
+}
+
+void arm7_resume(struct arm7 *arm) {
+  arm->execute_if->suspended = false;
+}
+
+struct arm7 *arm7_create(struct dreamcast *dc) {
+  struct arm7 *arm = dc_create_device(dc, sizeof(struct arm7), "arm7", &arm7_init);
+  arm->execute_if = dc_create_execute_interface(&arm7_run);
+  arm->memory_if = dc_create_memory_interface(dc, &arm7_data_map);
+  return arm;
+}
+
+void arm7_destroy(struct arm7 *arm) {
+  dc_destroy_memory_interface(arm->memory_if);
+  dc_destroy_execute_interface(arm->execute_if);
+  dc_destroy_device((struct device *)arm);
+}
+
+// clang-format off
+AM_BEGIN(struct arm7, arm7_data_map);
+  AM_RANGE(0x00000000, 0x007fffff) AM_MASK(0x00ffffff) AM_DEVICE("aica", aica_data_map)
+  AM_RANGE(0x00800000, 0x00810fff) AM_MASK(0x00ffffff) AM_DEVICE("aica", aica_reg_map)
+AM_END();
+// clang-format on
diff --git a/src/hw/arm7/arm7.h b/src/hw/arm7/arm7.h
new file mode 100644
index 00000000..11229690
--- /dev/null
+++ b/src/hw/arm7/arm7.h
@@ -0,0 +1,17 @@
+#ifndef ARM7_H
+#define ARM7_H
+
+#include "hw/memory.h"
+
+struct arm7;
+struct dreamcast;
+
+void arm7_suspend(struct arm7 *arm);
+void arm7_resume(struct arm7 *arm);
+
+struct arm7 *arm7_create(struct dreamcast *dc);
+void arm7_destroy(struct arm7 *arm);
+
+AM_DECLARE(arm7_data_map);
+
+#endif
diff --git a/src/hw/dreamcast.c b/src/hw/dreamcast.c
index 0360221c..651616c6 100644
--- a/src/hw/dreamcast.c
+++ b/src/hw/dreamcast.c
@@ -2,7 +2,7 @@
 #include "core/option.h"
 #include "core/string.h"
 #include "hw/aica/aica.h"
-#include "hw/arm/arm.h"
+#include "hw/arm7/arm7.h"
 #include "hw/debugger.h"
 #include "hw/gdrom/gdrom.h"
 #include "hw/holly/holly.h"
@@ -174,7 +174,7 @@ struct dreamcast *dc_create(struct video_backend *video) {
   dc->memory = memory_create(dc);
   dc->scheduler = scheduler_create(dc);
   dc->sh4 = sh4_create(dc);
-  dc->arm = arm_create(dc);
+  dc->arm = arm7_create(dc);
   dc->aica = aica_create(dc);
   dc->boot = boot_create(dc);
   dc->flash = flash_create(dc);
@@ -201,7 +201,7 @@ void dc_destroy(struct dreamcast *dc) {
   flash_destroy(dc->flash);
   boot_destroy(dc->boot);
   aica_destroy(dc->aica);
-  arm_destroy(dc->arm);
+  arm7_destroy(dc->arm);
   sh4_destroy(dc->sh4);
   scheduler_destroy(dc->scheduler);
   memory_destroy(dc->memory);
diff --git a/src/hw/dreamcast.h b/src/hw/dreamcast.h
index 423dca62..25a1dcc8 100644
--- a/src/hw/dreamcast.h
+++ b/src/hw/dreamcast.h
@@ -9,7 +9,7 @@
 #include "ui/keycode.h"
 
 struct aica;
-struct arm;
+struct arm7;
 struct boot;
 struct debugger;
 struct device;
@@ -116,7 +116,7 @@ struct device {
   struct memory *memory;
   struct scheduler *scheduler;
   struct sh4 *sh4;
-  struct arm *arm;
+  struct arm7 *arm;
   struct aica *aica;
   struct boot *boot;
   struct flash *flash;
@@ -137,7 +137,7 @@ struct dreamcast {
   struct memory *memory;
   struct scheduler *scheduler;
   struct sh4 *sh4;
-  struct arm *arm;
+  struct arm7 *arm;
   struct aica *aica;
   struct boot *boot;
   struct flash *flash;