cleanup: rename armv4_5 to arm for readability

Nothing more than a name change, just to make reading
the code a bit simpler.

Change-Id: I73a16b7302b48ce07d9688162955aae71d11eb45
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/390
Tested-by: jenkins
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>

22 files changed, 519 insertions, 527 deletions

diff --git a/src/target/arm.h b/src/target/arm.h
index 63932e1..86cf447 100644
--- a/src/target/arm.h
+++ b/src/target/arm.h
@@ -197,7 +197,7 @@ struct arm_reg {
 	int num;
 	enum arm_mode mode;
 	struct target *target;
-	struct arm *armv4_5_common;
+	struct arm *arm;
 	uint32_t value;
 };
 
diff --git a/src/target/arm720t.c b/src/target/arm720t.c
index 7a6a054..94af0f7 100644
--- a/src/target/arm720t.c
+++ b/src/target/arm720t.c
@@ -340,8 +340,7 @@ static int arm720t_soft_reset_halt(struct target *target)
 	struct arm720t_common *arm720t = target_to_arm720(target);
 	struct reg *dbg_stat = &arm720t->arm7_9_common
 			.eice_cache->reg_list[EICE_DBG_STAT];
-	struct arm *armv4_5 = &arm720t->arm7_9_common
-			.armv4_5_common;
+	struct arm *arm = &arm720t->arm7_9_common.arm;
 
 	if ((retval = target_halt(target)) != ERROR_OK)
 	{
@@ -382,16 +381,16 @@ static int arm720t_soft_reset_halt(struct target *target)
 	/* SVC, ARM state, IRQ and FIQ disabled */
 	uint32_t cpsr;
 
-	cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 32);
+	cpsr = buf_get_u32(arm->cpsr->value, 0, 32);
 	cpsr &= ~0xff;
 	cpsr |= 0xd3;
-	arm_set_cpsr(armv4_5, cpsr);
-	armv4_5->cpsr->dirty = 1;
+	arm_set_cpsr(arm, cpsr);
+	arm->cpsr->dirty = 1;
 
 	/* start fetching from 0x0 */
-	buf_set_u32(armv4_5->pc->value, 0, 32, 0x0);
-	armv4_5->pc->dirty = 1;
-	armv4_5->pc->valid = 1;
+	buf_set_u32(arm->pc->value, 0, 32, 0x0);
+	arm->pc->dirty = 1;
+	arm->pc->valid = 1;
 
 	retval = arm720t_disable_mmu_caches(target, 1, 1, 1);
 	if (retval != ERROR_OK)
@@ -428,8 +427,8 @@ static int arm720t_init_arch_info(struct target *target,
 {
 	struct arm7_9_common *arm7_9 = &arm720t->arm7_9_common;
 
-	arm7_9->armv4_5_common.mrc = arm720t_mrc;
-	arm7_9->armv4_5_common.mcr = arm720t_mcr;
+	arm7_9->arm.mrc = arm720t_mrc;
+	arm7_9->arm.mcr = arm720t_mcr;
 
 	arm7tdmi_init_arch_info(target, arm7_9, tap);
 
@@ -454,7 +453,7 @@ static int arm720t_target_create(struct target *target, Jim_Interp *interp)
 {
 	struct arm720t_common *arm720t = calloc(1, sizeof(*arm720t));
 
-	arm720t->arm7_9_common.armv4_5_common.is_armv4 = true;
+	arm720t->arm7_9_common.arm.is_armv4 = true;
 	return arm720t_init_arch_info(target, arm720t, target->tap);
 }
 
diff --git a/src/target/arm720t.h b/src/target/arm720t.h
index f0ab444..e96f270 100644
--- a/src/target/arm720t.h
+++ b/src/target/arm720t.h
@@ -39,7 +39,7 @@ static inline struct arm720t_common *
 target_to_arm720(struct target *target)
 {
 	return container_of(target->arch_info, struct arm720t_common,
-			arm7_9_common.armv4_5_common);
+			arm7_9_common.arm);
 }
 
 #endif /* ARM720T_H */
diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c
index ed91302..a77004e 100644
--- a/src/target/arm7_9_common.c
+++ b/src/target/arm7_9_common.c
@@ -1043,7 +1043,7 @@ int arm7_9_assert_reset(struct target *target)
 	}
 
 	target->state = TARGET_RESET;
-	register_cache_invalidate(arm7_9->armv4_5_common.core_cache);
+	register_cache_invalidate(arm7_9->arm.core_cache);
 
 	/* REVISIT why isn't standard debug entry logic sufficient?? */
 	if (target->reset_halt
@@ -1171,7 +1171,7 @@ static int arm7_9_clear_halt(struct target *target)
 int arm7_9_soft_reset_halt(struct target *target)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
 	struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
 	int i;
@@ -1230,33 +1230,33 @@ int arm7_9_soft_reset_halt(struct target *target)
 		uint32_t r0_thumb, pc_thumb;
 		LOG_DEBUG("target entered debug from Thumb state, changing to ARM");
 		/* Entered debug from Thumb mode */
-		armv4_5->core_state = ARM_STATE_THUMB;
+		arm->core_state = ARM_STATE_THUMB;
 		arm7_9->change_to_arm(target, &r0_thumb, &pc_thumb);
 	}
 
 	/* REVISIT likewise for bit 5 -- switch Jazelle-to-ARM */
 
 	/* all register content is now invalid */
-	register_cache_invalidate(armv4_5->core_cache);
+	register_cache_invalidate(arm->core_cache);
 
 	/* SVC, ARM state, IRQ and FIQ disabled */
 	uint32_t cpsr;
 
-	cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 32);
+	cpsr = buf_get_u32(arm->cpsr->value, 0, 32);
 	cpsr &= ~0xff;
 	cpsr |= 0xd3;
-	arm_set_cpsr(armv4_5, cpsr);
-	armv4_5->cpsr->dirty = 1;
+	arm_set_cpsr(arm, cpsr);
+	arm->cpsr->dirty = 1;
 
 	/* start fetching from 0x0 */
-	buf_set_u32(armv4_5->pc->value, 0, 32, 0x0);
-	armv4_5->pc->dirty = 1;
-	armv4_5->pc->valid = 1;
+	buf_set_u32(arm->pc->value, 0, 32, 0x0);
+	arm->pc->dirty = 1;
+	arm->pc->valid = 1;
 
 	/* reset registers */
 	for (i = 0; i <= 14; i++)
 	{
-		struct reg *r = arm_reg_current(armv4_5, i);
+		struct reg *r = arm_reg_current(arm, i);
 
 		buf_set_u32(r->value, 0, 32, 0xffffffff);
 		r->dirty = 1;
@@ -1351,7 +1351,7 @@ static int arm7_9_debug_entry(struct target *target)
 	uint32_t cpsr, cpsr_mask = 0;
 	int retval;
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
 	struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
 
@@ -1392,7 +1392,7 @@ static int arm7_9_debug_entry(struct target *target)
 	{
 		LOG_DEBUG("target entered debug from Thumb state");
 		/* Entered debug from Thumb mode */
-		armv4_5->core_state = ARM_STATE_THUMB;
+		arm->core_state = ARM_STATE_THUMB;
 		cpsr_mask = 1 << 5;
 		arm7_9->change_to_arm(target, &r0_thumb, &pc_thumb);
 		LOG_DEBUG("r0_thumb: 0x%8.8" PRIx32
@@ -1404,13 +1404,13 @@ static int arm7_9_debug_entry(struct target *target)
 		 * B.7.3 for the reverse.  That'd be the bare minimum...
 		 */
 		LOG_DEBUG("target entered debug from Jazelle state");
-		armv4_5->core_state = ARM_STATE_JAZELLE;
+		arm->core_state = ARM_STATE_JAZELLE;
 		cpsr_mask = 1 << 24;
 		LOG_ERROR("Jazelle debug entry -- BROKEN!");
 	} else {
 		LOG_DEBUG("target entered debug from ARM state");
 		/* Entered debug from ARM mode */
-		armv4_5->core_state = ARM_STATE_ARM;
+		arm->core_state = ARM_STATE_ARM;
 	}
 
 	for (i = 0; i < 16; i++)
@@ -1426,9 +1426,9 @@ static int arm7_9_debug_entry(struct target *target)
 	/* Sync our CPSR copy with J or T bits EICE reported, but
 	 * which we then erased by putting the core into ARM mode.
 	 */
-	arm_set_cpsr(armv4_5, cpsr | cpsr_mask);
+	arm_set_cpsr(arm, cpsr | cpsr_mask);
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		target->state = TARGET_UNKNOWN;
 		LOG_ERROR("cpsr contains invalid mode value - communication failure");
@@ -1436,27 +1436,27 @@ static int arm7_9_debug_entry(struct target *target)
 	}
 
 	LOG_DEBUG("target entered debug state in %s mode",
-			 arm_mode_name(armv4_5->core_mode));
+			 arm_mode_name(arm->core_mode));
 
-	if (armv4_5->core_state == ARM_STATE_THUMB)
+	if (arm->core_state == ARM_STATE_THUMB)
 	{
 		LOG_DEBUG("thumb state, applying fixups");
 		context[0] = r0_thumb;
 		context[15] = pc_thumb;
-	} else if (armv4_5->core_state == ARM_STATE_ARM)
+	} else if (arm->core_state == ARM_STATE_ARM)
 	{
 		/* adjust value stored by STM */
 		context[15] -= 3 * 4;
 	}
 
 	if ((target->debug_reason != DBG_REASON_DBGRQ) || (!arm7_9->use_dbgrq))
-		context[15] -= 3 * ((armv4_5->core_state == ARM_STATE_ARM) ? 4 : 2);
+		context[15] -= 3 * ((arm->core_state == ARM_STATE_ARM) ? 4 : 2);
 	else
-		context[15] -= arm7_9->dbgreq_adjust_pc * ((armv4_5->core_state == ARM_STATE_ARM) ? 4 : 2);
+		context[15] -= arm7_9->dbgreq_adjust_pc * ((arm->core_state == ARM_STATE_ARM) ? 4 : 2);
 
 	for (i = 0; i <= 15; i++)
 	{
-		struct reg *r = arm_reg_current(armv4_5, i);
+		struct reg *r = arm_reg_current(arm, i);
 
 		LOG_DEBUG("r%i: 0x%8.8" PRIx32 "", i, context[i]);
 
@@ -1469,16 +1469,16 @@ static int arm7_9_debug_entry(struct target *target)
 	LOG_DEBUG("entered debug state at PC 0x%" PRIx32 "", context[15]);
 
 	/* exceptions other than USR & SYS have a saved program status register */
-	if (armv4_5->spsr) {
+	if (arm->spsr) {
 		uint32_t spsr;
 		arm7_9->read_xpsr(target, &spsr, 1);
 		if ((retval = jtag_execute_queue()) != ERROR_OK)
 		{
 			return retval;
 		}
-		buf_set_u32(armv4_5->spsr->value, 0, 32, spsr);
-		armv4_5->spsr->dirty = 0;
-		armv4_5->spsr->valid = 1;
+		buf_set_u32(arm->spsr->value, 0, 32, spsr);
+		arm->spsr->dirty = 0;
+		arm->spsr->valid = 1;
 	}
 
 	if ((retval = jtag_execute_queue()) != ERROR_OK)
@@ -1508,7 +1508,7 @@ static int arm7_9_full_context(struct target *target)
 	int i;
 	int retval;
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 
 	LOG_DEBUG("-");
 
@@ -1518,7 +1518,7 @@ static int arm7_9_full_context(struct target *target)
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
@@ -1538,7 +1538,7 @@ static int arm7_9_full_context(struct target *target)
 		 */
 		for (j = 0; j <= 16; j++)
 		{
-			if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j).valid == 0)
+			if (ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), j).valid == 0)
 				valid = 0;
 		}
 
@@ -1547,7 +1547,7 @@ static int arm7_9_full_context(struct target *target)
 			uint32_t tmp_cpsr;
 
 			/* change processor mode (and mask T bit) */
-			tmp_cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 8)
+			tmp_cpsr = buf_get_u32(arm->cpsr->value, 0, 8)
 					& 0xe0;
 			tmp_cpsr |= armv4_5_number_to_mode(i);
 			tmp_cpsr &= ~0x20;
@@ -1555,12 +1555,13 @@ static int arm7_9_full_context(struct target *target)
 
 			for (j = 0; j < 15; j++)
 			{
-				if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j).valid == 0)
+				if (ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), j).valid == 0)
 				{
-					reg_p[j] = (uint32_t*)ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j).value;
+					reg_p[j] = (uint32_t *)ARMV4_5_CORE_REG_MODE(arm->core_cache,
+							armv4_5_number_to_mode(i), j).value;
 					mask |= 1 << j;
-					ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j).valid = 1;
-					ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j).dirty = 0;
+					ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), j).valid = 1;
+					ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), j).dirty = 0;
 				}
 			}
 
@@ -1569,18 +1570,19 @@ static int arm7_9_full_context(struct target *target)
 				arm7_9->read_core_regs(target, mask, reg_p);
 
 			/* check if the PSR has to be read */
-			if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), 16).valid == 0)
+			if (ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), 16).valid == 0)
 			{
-				arm7_9->read_xpsr(target, (uint32_t*)ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), 16).value, 1);
-				ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), 16).valid = 1;
-				ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), 16).dirty = 0;
+				arm7_9->read_xpsr(target, (uint32_t *)ARMV4_5_CORE_REG_MODE(arm->core_cache,
+						armv4_5_number_to_mode(i), 16).value, 1);
+				ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), 16).valid = 1;
+				ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), 16).dirty = 0;
 			}
 		}
 	}
 
 	/* restore processor mode (mask T bit) */
 	arm7_9->write_xpsr_im8(target,
-			buf_get_u32(armv4_5->cpsr->value, 0, 8) & ~0x20,
+			buf_get_u32(arm->cpsr->value, 0, 8) & ~0x20,
 			0, 0);
 
 	if ((retval = jtag_execute_queue()) != ERROR_OK)
@@ -1605,9 +1607,9 @@ static int arm7_9_full_context(struct target *target)
 static int arm7_9_restore_context(struct target *target)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *reg;
-	enum arm_mode current_mode = armv4_5->core_mode;
+	enum arm_mode current_mode = arm->core_mode;
 	int i, j;
 	int dirty;
 	int mode_change;
@@ -1623,7 +1625,7 @@ static int arm7_9_restore_context(struct target *target)
 	if (arm7_9->pre_restore_context)
 		arm7_9->pre_restore_context(target);
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
@@ -1635,14 +1637,14 @@ static int arm7_9_restore_context(struct target *target)
 	for (i = 0; i < 6; i++)
 	{
 		LOG_DEBUG("examining %s mode",
-				arm_mode_name(armv4_5->core_mode));
+				arm_mode_name(arm->core_mode));
 		dirty = 0;
 		mode_change = 0;
 		/* check if there are dirty registers in the current mode
 		*/
 		for (j = 0; j <= 16; j++)
 		{
-			reg = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j);
+			reg = &ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), j);
 			if (reg->dirty == 1)
 			{
 				if (reg->valid == 1)
@@ -1653,8 +1655,10 @@ static int arm7_9_restore_context(struct target *target)
 					reg_arch_info = reg->arch_info;
 					if ((reg_arch_info->mode != ARM_MODE_ANY)
 						&& (reg_arch_info->mode != current_mode)
-						&& !((reg_arch_info->mode == ARM_MODE_USR) && (armv4_5->core_mode == ARM_MODE_SYS))
-						&& !((reg_arch_info->mode == ARM_MODE_SYS) && (armv4_5->core_mode == ARM_MODE_USR)))
+						&& !((reg_arch_info->mode == ARM_MODE_USR)
+						&& (arm->core_mode == ARM_MODE_SYS))
+						&& !((reg_arch_info->mode == ARM_MODE_SYS)
+						&& (arm->core_mode == ARM_MODE_USR)))
 					{
 						mode_change = 1;
 						LOG_DEBUG("require mode change");
@@ -1678,7 +1682,7 @@ static int arm7_9_restore_context(struct target *target)
 				uint32_t tmp_cpsr;
 
 				/* change processor mode (mask T bit) */
-				tmp_cpsr = buf_get_u32(armv4_5->cpsr->value,
+				tmp_cpsr = buf_get_u32(arm->cpsr->value,
 						0, 8) & 0xe0;
 				tmp_cpsr |= armv4_5_number_to_mode(i);
 				tmp_cpsr &= ~0x20;
@@ -1688,7 +1692,7 @@ static int arm7_9_restore_context(struct target *target)
 
 			for (j = 0; j <= 14; j++)
 			{
-				reg = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), j);
+				reg = &ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), j);
 
 				if (reg->dirty == 1)
 				{
@@ -1699,7 +1703,7 @@ static int arm7_9_restore_context(struct target *target)
 					reg->valid = 1;
 					LOG_DEBUG("writing register %i mode %s "
 						"with value 0x%8.8" PRIx32, j,
-						arm_mode_name(armv4_5->core_mode),
+						arm_mode_name(arm->core_mode),
 						regs[j]);
 				}
 			}
@@ -1709,7 +1713,7 @@ static int arm7_9_restore_context(struct target *target)
 				arm7_9->write_core_regs(target, mask, regs);
 			}
 
-			reg = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_number_to_mode(i), 16);
+			reg = &ARMV4_5_CORE_REG_MODE(arm->core_cache, armv4_5_number_to_mode(i), 16);
 			struct arm_reg *reg_arch_info;
 			reg_arch_info = reg->arch_info;
 			if ((reg->dirty) && (reg_arch_info->mode != ARM_MODE_ANY))
@@ -1720,34 +1724,32 @@ static int arm7_9_restore_context(struct target *target)
 		}
 	}
 
-	if (!armv4_5->cpsr->dirty && (armv4_5->core_mode != current_mode))
-	{
+	if (!arm->cpsr->dirty && (arm->core_mode != current_mode)) {
 		/* restore processor mode (mask T bit) */
 		uint32_t tmp_cpsr;
 
-		tmp_cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 8) & 0xE0;
+		tmp_cpsr = buf_get_u32(arm->cpsr->value, 0, 8) & 0xE0;
 		tmp_cpsr |= armv4_5_number_to_mode(i);
 		tmp_cpsr &= ~0x20;
 		LOG_DEBUG("writing lower 8 bit of cpsr with value 0x%2.2x", (unsigned)(tmp_cpsr));
 		arm7_9->write_xpsr_im8(target, tmp_cpsr & 0xff, 0, 0);
-	}
-	else if (armv4_5->cpsr->dirty)
-	{
+
+	} else if (arm->cpsr->dirty) {
 		/* CPSR has been changed, full restore necessary (mask T bit) */
 		LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32,
-				buf_get_u32(armv4_5->cpsr->value, 0, 32));
+				buf_get_u32(arm->cpsr->value, 0, 32));
 		arm7_9->write_xpsr(target,
-				buf_get_u32(armv4_5->cpsr->value, 0, 32)
-					& ~0x20, 0);
-		armv4_5->cpsr->dirty = 0;
-		armv4_5->cpsr->valid = 1;
+				buf_get_u32(arm->cpsr->value, 0, 32)
+				& ~0x20, 0);
+		arm->cpsr->dirty = 0;
+		arm->cpsr->valid = 1;
 	}
 
 	/* restore PC */
 	LOG_DEBUG("writing PC with value 0x%8.8" PRIx32,
-			buf_get_u32(armv4_5->pc->value, 0, 32));
-	arm7_9->write_pc(target, buf_get_u32(armv4_5->pc->value, 0, 32));
-	armv4_5->pc->dirty = 0;
+			buf_get_u32(arm->pc->value, 0, 32));
+	arm7_9->write_pc(target, buf_get_u32(arm->pc->value, 0, 32));
+	arm->pc->dirty = 0;
 
 	return ERROR_OK;
 }
@@ -1821,7 +1823,7 @@ static void arm7_9_enable_breakpoints(struct target *target)
 int arm7_9_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
 	int err, retval = ERROR_OK;
 
@@ -1840,17 +1842,17 @@ int arm7_9_resume(struct target *target, int current, uint32_t address, int hand
 
 	/* current = 1: continue on current pc, otherwise continue at <address> */
 	if (!current)
-		buf_set_u32(armv4_5->pc->value, 0, 32, address);
+		buf_set_u32(arm->pc->value, 0, 32, address);
 
 	uint32_t current_pc;
-	current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	current_pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	/* the front-end may request us not to handle breakpoints */
 	if (handle_breakpoints)
 	{
 		struct breakpoint *breakpoint;
 		breakpoint = breakpoint_find(target,
-				buf_get_u32(armv4_5->pc->value, 0, 32));
+				buf_get_u32(arm->pc->value, 0, 32));
 		if (breakpoint != NULL)
 		{
 			LOG_DEBUG("unset breakpoint at 0x%8.8" PRIx32 " (id: %d)", breakpoint->address, breakpoint->unique_id );
@@ -1875,18 +1877,13 @@ int arm7_9_resume(struct target *target, int current, uint32_t address, int hand
 			target->debug_reason = DBG_REASON_SINGLESTEP;
 
 			if ((retval = arm7_9_restore_context(target)) != ERROR_OK)
-			{
 				return retval;
-			}
 
-			if (armv4_5->core_state == ARM_STATE_ARM)
+			if (arm->core_state == ARM_STATE_ARM)
 				arm7_9->branch_resume(target);
-			else if (armv4_5->core_state == ARM_STATE_THUMB)
-			{
+			else if (arm->core_state == ARM_STATE_THUMB)
 				arm7_9->branch_resume_thumb(target);
-			}
-			else
-			{
+			else {
 				LOG_ERROR("unhandled core state");
 				return ERROR_FAIL;
 			}
@@ -1912,7 +1909,7 @@ int arm7_9_resume(struct target *target, int current, uint32_t address, int hand
 			if (retval != ERROR_OK)
 				return retval;
 			LOG_DEBUG("new PC after step: 0x%8.8" PRIx32,
-					buf_get_u32(armv4_5->pc->value, 0, 32));
+					buf_get_u32(arm->pc->value, 0, 32));
 
 			LOG_DEBUG("set breakpoint at 0x%8.8" PRIx32 "", breakpoint->address);
 			if ((retval = arm7_9_set_breakpoint(target, breakpoint)) != ERROR_OK)
@@ -1927,20 +1924,13 @@ int arm7_9_resume(struct target *target, int current, uint32_t address, int hand
 	arm7_9_enable_watchpoints(target);
 
 	if ((retval = arm7_9_restore_context(target)) != ERROR_OK)
-	{
 		return retval;
-	}
 
-	if (armv4_5->core_state == ARM_STATE_ARM)
-	{
+	if (arm->core_state == ARM_STATE_ARM)
 		arm7_9->branch_resume(target);
-	}
-	else if (armv4_5->core_state == ARM_STATE_THUMB)
-	{
+	else if (arm->core_state == ARM_STATE_THUMB)
 		arm7_9->branch_resume_thumb(target);
-	}
-	else
-	{
+	else {
 		LOG_ERROR("unhandled core state");
 		return ERROR_FAIL;
 	}
@@ -1962,7 +1952,7 @@ int arm7_9_resume(struct target *target, int current, uint32_t address, int hand
 	if (!debug_execution)
 	{
 		/* registers are now invalid */
-		register_cache_invalidate(armv4_5->core_cache);
+		register_cache_invalidate(arm->core_cache);
 		target->state = TARGET_RUNNING;
 		if ((retval = target_call_event_callbacks(target, TARGET_EVENT_RESUMED)) != ERROR_OK)
 		{
@@ -1986,9 +1976,9 @@ int arm7_9_resume(struct target *target, int current, uint32_t address, int hand
 void arm7_9_enable_eice_step(struct target *target, uint32_t next_pc)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	uint32_t current_pc;
-	current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	current_pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	if (next_pc != current_pc)
 	{
@@ -2038,7 +2028,7 @@ void arm7_9_disable_eice_step(struct target *target)
 int arm7_9_step(struct target *target, int current, uint32_t address, int handle_breakpoints)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct breakpoint *breakpoint = NULL;
 	int err, retval;
 
@@ -2050,9 +2040,9 @@ int arm7_9_step(struct target *target, int current, uint32_t address, int handle
 
 	/* current = 1: continue on current pc, otherwise continue at <address> */
 	if (!current)
-		buf_set_u32(armv4_5->pc->value, 0, 32, address);
+		buf_set_u32(arm->pc->value, 0, 32, address);
 
-	uint32_t current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	uint32_t current_pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	/* the front-end may request us not to handle breakpoints */
 	if (handle_breakpoints)
@@ -2076,22 +2066,15 @@ int arm7_9_step(struct target *target, int current, uint32_t address, int handle
 	}
 
 	if ((retval = arm7_9_restore_context(target)) != ERROR_OK)
-	{
 		return retval;
-	}
 
 	arm7_9->enable_single_step(target, next_pc);
 
-	if (armv4_5->core_state == ARM_STATE_ARM)
-	{
+	if (arm->core_state == ARM_STATE_ARM)
 		arm7_9->branch_resume(target);
-	}
-	else if (armv4_5->core_state == ARM_STATE_THUMB)
-	{
+	else if (arm->core_state == ARM_STATE_THUMB)
 		arm7_9->branch_resume_thumb(target);
-	}
-	else
-	{
+	else {
 		LOG_ERROR("unhandled core state");
 		return ERROR_FAIL;
 	}
@@ -2105,7 +2088,7 @@ int arm7_9_step(struct target *target, int current, uint32_t address, int handle
 	arm7_9->disable_single_step(target);
 
 	/* registers are now invalid */
-	register_cache_invalidate(armv4_5->core_cache);
+	register_cache_invalidate(arm->core_cache);
 
 	if (err != ERROR_OK)
 	{
@@ -2137,21 +2120,21 @@ static int arm7_9_read_core_reg(struct target *target, struct reg *r,
 	int retval;
 	struct arm_reg *areg = r->arch_info;
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 		return ERROR_FAIL;
 	if ((num < 0) || (num > 16))
 		return ERROR_COMMAND_SYNTAX_ERROR;
 
 	if ((mode != ARM_MODE_ANY)
-			&& (mode != armv4_5->core_mode)
+			&& (mode != arm->core_mode)
 			&& (areg->mode != ARM_MODE_ANY))
 	{
 		uint32_t tmp_cpsr;
 
 		/* change processor mode (mask T bit) */
-		tmp_cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 8) & 0xE0;
+		tmp_cpsr = buf_get_u32(arm->cpsr->value, 0, 8) & 0xE0;
 		tmp_cpsr |= mode;
 		tmp_cpsr &= ~0x20;
 		arm7_9->write_xpsr_im8(target, tmp_cpsr & 0xff, 0, 0);
@@ -2183,11 +2166,11 @@ static int arm7_9_read_core_reg(struct target *target, struct reg *r,
 	buf_set_u32(r->value, 0, 32, value);
 
 	if ((mode != ARM_MODE_ANY)
-			&& (mode != armv4_5->core_mode)
+			&& (mode != arm->core_mode)
 			&& (areg->mode != ARM_MODE_ANY))	{
 		/* restore processor mode (mask T bit) */
 		arm7_9->write_xpsr_im8(target,
-				buf_get_u32(armv4_5->cpsr->value, 0, 8)
+				buf_get_u32(arm->cpsr->value, 0, 8)
 					& ~0x20, 0, 0);
 	}
 
@@ -2200,20 +2183,20 @@ static int arm7_9_write_core_reg(struct target *target, struct reg *r,
 	uint32_t reg[16];
 	struct arm_reg *areg = r->arch_info;
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 		return ERROR_FAIL;
 	if ((num < 0) || (num > 16))
 		return ERROR_COMMAND_SYNTAX_ERROR;
 
 	if ((mode != ARM_MODE_ANY)
-			&& (mode != armv4_5->core_mode)
+			&& (mode != arm->core_mode)
 			&& (areg->mode != ARM_MODE_ANY))	{
 		uint32_t tmp_cpsr;
 
 		/* change processor mode (mask T bit) */
-		tmp_cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 8) & 0xE0;
+		tmp_cpsr = buf_get_u32(arm->cpsr->value, 0, 8) & 0xE0;
 		tmp_cpsr |= mode;
 		tmp_cpsr &= ~0x20;
 		arm7_9->write_xpsr_im8(target, tmp_cpsr & 0xff, 0, 0);
@@ -2244,11 +2227,11 @@ static int arm7_9_write_core_reg(struct target *target, struct reg *r,
 	r->dirty = 0;
 
 	if ((mode != ARM_MODE_ANY)
-			&& (mode != armv4_5->core_mode)
+			&& (mode != arm->core_mode)
 			&& (areg->mode != ARM_MODE_ANY))	{
 		/* restore processor mode (mask T bit) */
 		arm7_9->write_xpsr_im8(target,
-				buf_get_u32(armv4_5->cpsr->value, 0, 8)
+				buf_get_u32(arm->cpsr->value, 0, 8)
 					& ~0x20, 0, 0);
 	}
 
@@ -2258,7 +2241,7 @@ static int arm7_9_write_core_reg(struct target *target, struct reg *r,
 int arm7_9_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	uint32_t reg[16];
 	uint32_t num_accesses = 0;
 	int thisrun_accesses;
@@ -2401,11 +2384,11 @@ int arm7_9_read_memory(struct target *target, uint32_t address, uint32_t size, u
 			break;
 	}
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 		return ERROR_FAIL;
 
 	for (i = 0; i <= last_reg; i++) {
-		struct reg *r = arm_reg_current(armv4_5, i);
+		struct reg *r = arm_reg_current(arm, i);
 
 		r->dirty = r->valid;
 	}
@@ -2417,12 +2400,12 @@ int arm7_9_read_memory(struct target *target, uint32_t address, uint32_t size, u
 		return ERROR_TARGET_DATA_ABORT;
 	}
 
-	if (((cpsr & 0x1f) == ARM_MODE_ABT) && (armv4_5->core_mode != ARM_MODE_ABT))
+	if (((cpsr & 0x1f) == ARM_MODE_ABT) && (arm->core_mode != ARM_MODE_ABT))
 	{
 		LOG_WARNING("memory read caused data abort (address: 0x%8.8" PRIx32 ", size: 0x%" PRIx32 ", count: 0x%" PRIx32 ")", address, size, count);
 
 		arm7_9->write_xpsr_im8(target,
-				buf_get_u32(armv4_5->cpsr->value, 0, 8)
+				buf_get_u32(arm->cpsr->value, 0, 8)
 					& ~0x20, 0, 0);
 
 		return ERROR_TARGET_DATA_ABORT;
@@ -2434,7 +2417,7 @@ int arm7_9_read_memory(struct target *target, uint32_t address, uint32_t size, u
 int arm7_9_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
 
 	uint32_t reg[16];
@@ -2624,11 +2607,11 @@ int arm7_9_write_memory(struct target *target, uint32_t address, uint32_t size,
 	buf_set_u32(dbg_ctrl->value, EICE_DBG_CONTROL_DBGACK, 1, 1);
 	embeddedice_store_reg(dbg_ctrl);
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 		return ERROR_FAIL;
 
 	for (i = 0; i <= last_reg; i++) {
-		struct reg *r = arm_reg_current(armv4_5, i);
+		struct reg *r = arm_reg_current(arm, i);
 
 		r->dirty = r->valid;
 	}
@@ -2640,12 +2623,12 @@ int arm7_9_write_memory(struct target *target, uint32_t address, uint32_t size,
 		return ERROR_TARGET_DATA_ABORT;
 	}
 
-	if (((cpsr & 0x1f) == ARM_MODE_ABT) && (armv4_5->core_mode != ARM_MODE_ABT))
+	if (((cpsr & 0x1f) == ARM_MODE_ABT) && (arm->core_mode != ARM_MODE_ABT))
 	{
 		LOG_WARNING("memory write caused data abort (address: 0x%8.8" PRIx32 ", size: 0x%" PRIx32 ", count: 0x%" PRIx32 ")", address, size, count);
 
 		arm7_9->write_xpsr_im8(target,
-				buf_get_u32(armv4_5->cpsr->value, 0, 8)
+				buf_get_u32(arm->cpsr->value, 0, 8)
 					& ~0x20, 0, 0);
 
 		return ERROR_TARGET_DATA_ABORT;
@@ -2806,10 +2789,10 @@ int arm7_9_examine(struct target *target)
 		(*cache_p) = t;
 		arm7_9->eice_cache = (*cache_p);
 
-		if (arm7_9->armv4_5_common.etm)
+		if (arm7_9->arm.etm)
 			(*cache_p)->next = etm_build_reg_cache(target,
 					&arm7_9->jtag_info,
-					arm7_9->armv4_5_common.etm);
+					arm7_9->arm.etm);
 
 		target_set_examined(target);
 	}
@@ -2817,7 +2800,7 @@ int arm7_9_examine(struct target *target)
 	retval = embeddedice_setup(target);
 	if (retval == ERROR_OK)
 		retval = arm7_9_setup(target);
-	if (retval == ERROR_OK && arm7_9->armv4_5_common.etm)
+	if (retval == ERROR_OK && arm7_9->arm.etm)
 		retval = etm_setup(target);
 	return retval;
 }
@@ -2934,7 +2917,7 @@ static int arm7_9_setup_semihosting(struct target *target, int enable)
 int arm7_9_init_arch_info(struct target *target, struct arm7_9_common *arm7_9)
 {
 	int retval = ERROR_OK;
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 
 	arm7_9->common_magic = ARM7_9_COMMON_MAGIC;
 
@@ -2948,13 +2931,13 @@ int arm7_9_init_arch_info(struct target *target, struct arm7_9_common *arm7_9)
 	arm7_9->fast_memory_access = false;
 	arm7_9->dcc_downloads = false;
 
-	armv4_5->arch_info = arm7_9;
-	armv4_5->read_core_reg = arm7_9_read_core_reg;
-	armv4_5->write_core_reg = arm7_9_write_core_reg;
-	armv4_5->full_context = arm7_9_full_context;
-	armv4_5->setup_semihosting = arm7_9_setup_semihosting;
+	arm->arch_info = arm7_9;
+	arm->read_core_reg = arm7_9_read_core_reg;
+	arm->write_core_reg = arm7_9_write_core_reg;
+	arm->full_context = arm7_9_full_context;
+	arm->setup_semihosting = arm7_9_setup_semihosting;
 
-	retval = arm_init_arch_info(target, armv4_5);
+	retval = arm_init_arch_info(target, arm);
 	if (retval != ERROR_OK)
 		return retval;
 
diff --git a/src/target/arm7_9_common.h b/src/target/arm7_9_common.h
index 780d6c9..536f561 100644
--- a/src/target/arm7_9_common.h
+++ b/src/target/arm7_9_common.h
@@ -39,7 +39,7 @@
  */
 struct arm7_9_common
 {
-	struct arm armv4_5_common;
+	struct arm arm;
 	uint32_t common_magic;
 
 	struct arm_jtag jtag_info; /**< JTAG information for target */
@@ -109,7 +109,7 @@ static inline struct arm7_9_common *
 target_to_arm7_9(struct target *target)
 {
 	return container_of(target->arch_info, struct arm7_9_common,
-			armv4_5_common);
+			arm);
 }
 
 static inline bool is_arm7_9(struct arm7_9_common *arm7_9)
diff --git a/src/target/arm7tdmi.c b/src/target/arm7tdmi.c
index 3ede36c..d39ef3f 100644
--- a/src/target/arm7tdmi.c
+++ b/src/target/arm7tdmi.c
@@ -586,7 +586,7 @@ static void arm7tdmi_branch_resume(struct target *target)
 static void arm7tdmi_branch_resume_thumb(struct target *target)
 {
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 	struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
 
@@ -603,7 +603,7 @@ static void arm7tdmi_branch_resume_thumb(struct target *target)
 	arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
 	/* nothing fetched, LDM in EXECUTE stage (2nd cycle) */
 	arm7tdmi_clock_out(jtag_info,
-			buf_get_u32(armv4_5->pc->value, 0, 32) | 1, NULL, 0);
+			buf_get_u32(arm->pc->value, 0, 32) | 1, NULL, 0);
 	/* nothing fetched, LDM in EXECUTE stage (3rd cycle) */
 	arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
 
@@ -631,7 +631,7 @@ static void arm7tdmi_branch_resume_thumb(struct target *target)
 	/* fetch NOP, LDR in Execute */
 	arm7tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, NULL, 0);
 	/* nothing fetched, LDR in EXECUTE stage (2nd cycle) */
-	arm7tdmi_clock_out(jtag_info, buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32), NULL, 0);
+	arm7tdmi_clock_out(jtag_info, buf_get_u32(arm->core_cache->reg_list[0].value, 0, 32), NULL, 0);
 	/* nothing fetched, LDR in EXECUTE stage (3rd cycle) */
 	arm7tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, NULL, 0);
 
@@ -647,9 +647,9 @@ static void arm7tdmi_branch_resume_thumb(struct target *target)
 static void arm7tdmi_build_reg_cache(struct target *target)
 {
 	struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
-	(*cache_p) = arm_build_reg_cache(target, armv4_5);
+	(*cache_p) = arm_build_reg_cache(target, arm);
 }
 
 int arm7tdmi_init_target(struct command_context *cmd_ctx, struct target *target)
@@ -713,7 +713,7 @@ static int arm7tdmi_target_create(struct target *target, Jim_Interp *interp)
 
 	arm7_9 = calloc(1,sizeof(struct arm7_9_common));
 	arm7tdmi_init_arch_info(target, arm7_9, target->tap);
-	arm7_9->armv4_5_common.is_armv4 = true;
+	arm7_9->arm.is_armv4 = true;
 
 	return ERROR_OK;
 }
diff --git a/src/target/arm920t.c b/src/target/arm920t.c
index ecc158c..055e46f 100644
--- a/src/target/arm920t.c
+++ b/src/target/arm920t.c
@@ -246,11 +246,11 @@ static int arm920t_execute_cp15(struct target *target, uint32_t cp15_opcode,
 static int arm920t_read_cp15_interpreted(struct target *target,
 		uint32_t cp15_opcode, uint32_t address, uint32_t *value)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	uint32_t* regs_p[1];
 	uint32_t regs[2];
 	uint32_t cp15c15 = 0x0;
-	struct reg *r = armv4_5->core_cache->reg_list;
+	struct reg *r = arm->core_cache->reg_list;
 
 	/* load address into R1 */
 	regs[1] = address;
@@ -280,7 +280,7 @@ static int arm920t_read_cp15_interpreted(struct target *target,
 			cp15_opcode, address, *value);
 #endif
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
@@ -297,9 +297,9 @@ int arm920t_write_cp15_interpreted(struct target *target,
 		uint32_t cp15_opcode, uint32_t value, uint32_t address)
 {
 	uint32_t cp15c15 = 0x0;
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	uint32_t regs[2];
-	struct reg *r = armv4_5->core_cache->reg_list;
+	struct reg *r = arm->core_cache->reg_list;
 
 	/* load value, address into R0, R1 */
 	regs[0] = value;
@@ -325,7 +325,7 @@ int arm920t_write_cp15_interpreted(struct target *target,
 			cp15_opcode, value, address);
 #endif
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
@@ -763,7 +763,7 @@ int arm920t_soft_reset_halt(struct target *target)
 	int retval = ERROR_OK;
 	struct arm920t_common *arm920t = target_to_arm920(target);
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
 
 	if ((retval = target_halt(target)) != ERROR_OK)
@@ -807,16 +807,16 @@ int arm920t_soft_reset_halt(struct target *target)
 	/* SVC, ARM state, IRQ and FIQ disabled */
 	uint32_t cpsr;
 
-	cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 32);
+	cpsr = buf_get_u32(arm->cpsr->value, 0, 32);
 	cpsr &= ~0xff;
 	cpsr |= 0xd3;
-	arm_set_cpsr(armv4_5, cpsr);
-	armv4_5->cpsr->dirty = 1;
+	arm_set_cpsr(arm, cpsr);
+	arm->cpsr->dirty = 1;
 
 	/* start fetching from 0x0 */
-	buf_set_u32(armv4_5->pc->value, 0, 32, 0x0);
-	armv4_5->pc->dirty = 1;
-	armv4_5->pc->valid = 1;
+	buf_set_u32(arm->pc->value, 0, 32, 0x0);
+	arm->pc->dirty = 1;
+	arm->pc->valid = 1;
 
 	arm920t_disable_mmu_caches(target, 1, 1, 1);
 	arm920t->armv4_5_mmu.mmu_enabled = 0;
@@ -841,8 +841,8 @@ static int arm920t_init_arch_info(struct target *target,
 {
 	struct arm7_9_common *arm7_9 = &arm920t->arm7_9_common;
 
-	arm7_9->armv4_5_common.mrc = arm920t_mrc;
-	arm7_9->armv4_5_common.mcr = arm920t_mcr;
+	arm7_9->arm.mrc = arm920t_mrc;
+	arm7_9->arm.mcr = arm920t_mcr;
 
 	/* initialize arm7/arm9 specific info (including armv4_5) */
 	arm9tdmi_init_arch_info(target, arm7_9, tap);
@@ -887,7 +887,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
 	struct target *target = get_current_target(CMD_CTX);
 	struct arm920t_common *arm920t = target_to_arm920(target);
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	uint32_t cp15c15;
 	uint32_t cp15_ctrl, cp15_ctrl_saved;
 	uint32_t regs[16];
@@ -1148,14 +1148,14 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
 
 	fclose(output);
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
 	}
 
 	/* force writeback of the valid data */
-	r = armv4_5->core_cache->reg_list;
+	r = arm->core_cache->reg_list;
 	r[0].dirty = r[0].valid;
 	r[1].dirty = r[1].valid;
 	r[2].dirty = r[2].valid;
@@ -1165,10 +1165,10 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
 	r[6].dirty = r[6].valid;
 	r[7].dirty = r[7].valid;
 
-	r = arm_reg_current(armv4_5, 8);
+	r = arm_reg_current(arm, 8);
 	r->dirty = r->valid;
 
-	r = arm_reg_current(armv4_5, 9);
+	r = arm_reg_current(arm, 9);
 	r->dirty = r->valid;
 
 	return ERROR_OK;
@@ -1180,7 +1180,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
 	struct target *target = get_current_target(CMD_CTX);
 	struct arm920t_common *arm920t = target_to_arm920(target);
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	uint32_t cp15c15;
 	uint32_t cp15_ctrl, cp15_ctrl_saved;
 	uint32_t regs[16];
@@ -1477,14 +1477,14 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
 
 	fclose(output);
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
 	}
 
 	/* force writeback of the valid data */
-	r = armv4_5->core_cache->reg_list;
+	r = arm->core_cache->reg_list;
 	r[0].dirty = r[0].valid;
 	r[1].dirty = r[1].valid;
 	r[2].dirty = r[2].valid;
@@ -1494,10 +1494,10 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
 	r[6].dirty = r[6].valid;
 	r[7].dirty = r[7].valid;
 
-	r = arm_reg_current(armv4_5, 8);
+	r = arm_reg_current(arm, 8);
 	r->dirty = r->valid;
 
-	r = arm_reg_current(armv4_5, 9);
+	r = arm_reg_current(arm, 9);
 	r->dirty = r->valid;
 
 	return ERROR_OK;
diff --git a/src/target/arm920t.h b/src/target/arm920t.h
index f4c852b..0cefd1e 100644
--- a/src/target/arm920t.h
+++ b/src/target/arm920t.h
@@ -42,7 +42,7 @@ static inline struct arm920t_common *
 target_to_arm920(struct target *target)
 {
 	return container_of(target->arch_info, struct arm920t_common,
-			arm7_9_common.armv4_5_common);
+			arm7_9_common.arm);
 }
 
 struct arm920t_cache_line
diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c
index 47b94d1..aaf4021 100644
--- a/src/target/arm926ejs.c
+++ b/src/target/arm926ejs.c
@@ -557,7 +557,7 @@ int arm926ejs_soft_reset_halt(struct target *target)
 	int retval = ERROR_OK;
 	struct arm926ejs_common *arm926ejs = target_to_arm926(target);
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
 
 	if ((retval = target_halt(target)) != ERROR_OK)
@@ -600,16 +600,16 @@ int arm926ejs_soft_reset_halt(struct target *target)
 	/* SVC, ARM state, IRQ and FIQ disabled */
 	uint32_t cpsr;
 
-	cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 32);
+	cpsr = buf_get_u32(arm->cpsr->value, 0, 32);
 	cpsr &= ~0xff;
 	cpsr |= 0xd3;
-	arm_set_cpsr(armv4_5, cpsr);
-	armv4_5->cpsr->dirty = 1;
+	arm_set_cpsr(arm, cpsr);
+	arm->cpsr->dirty = 1;
 
 	/* start fetching from 0x0 */
-	buf_set_u32(armv4_5->pc->value, 0, 32, 0x0);
-	armv4_5->pc->dirty = 1;
-	armv4_5->pc->valid = 1;
+	buf_set_u32(arm->pc->value, 0, 32, 0x0);
+	arm->pc->dirty = 1;
+	arm->pc->valid = 1;
 
 	retval = arm926ejs_disable_mmu_caches(target, 1, 1, 1);
 	if (retval != ERROR_OK)
@@ -713,8 +713,8 @@ int arm926ejs_init_arch_info(struct target *target, struct arm926ejs_common *arm
 {
 	struct arm7_9_common *arm7_9 = &arm926ejs->arm7_9_common;
 
-	arm7_9->armv4_5_common.mrc = arm926ejs_mrc;
-	arm7_9->armv4_5_common.mcr = arm926ejs_mcr;
+	arm7_9->arm.mrc = arm926ejs_mrc;
+	arm7_9->arm.mcr = arm926ejs_mcr;
 
 	/* initialize arm7/arm9 specific info (including armv4_5) */
 	arm9tdmi_init_arch_info(target, arm7_9, tap);
diff --git a/src/target/arm926ejs.h b/src/target/arm926ejs.h
index 76cc24a..e2a53a6 100644
--- a/src/target/arm926ejs.h
+++ b/src/target/arm926ejs.h
@@ -42,7 +42,7 @@ static inline struct arm926ejs_common *
 target_to_arm926(struct target *target)
 {
 	return container_of(target->arch_info, struct arm926ejs_common,
-			arm7_9_common.armv4_5_common);
+			arm7_9_common.arm);
 }
 
 
diff --git a/src/target/arm946e.h b/src/target/arm946e.h
index 557674e..ce0ead9 100644
--- a/src/target/arm946e.h
+++ b/src/target/arm946e.h
@@ -41,7 +41,7 @@ static inline struct arm946e_common *
 target_to_arm946(struct target *target)
 {
 	return container_of(target->arch_info, struct arm946e_common,
-			arm7_9_common.armv4_5_common);
+			arm7_9_common.arm);
 }
 
 int arm946e_init_arch_info(struct target *target,
diff --git a/src/target/arm966e.h b/src/target/arm966e.h
index 24dcec3..cfd80d2 100644
--- a/src/target/arm966e.h
+++ b/src/target/arm966e.h
@@ -38,7 +38,7 @@ static inline struct arm966e_common *
 target_to_arm966(struct target *target)
 {
 	return container_of(target->arch_info, struct arm966e_common,
-			arm7_9_common.armv4_5_common);
+			arm7_9_common.arm);
 }
 
 int arm966e_init_arch_info(struct target *target,
diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c
index 493adb3..b3cd359 100644
--- a/src/target/arm9tdmi.c
+++ b/src/target/arm9tdmi.c
@@ -658,7 +658,7 @@ static void arm9tdmi_branch_resume_thumb(struct target *target)
 	LOG_DEBUG("-");
 
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
-	struct arm *armv4_5 = &arm7_9->armv4_5_common;
+	struct arm *arm = &arm7_9->arm;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 	struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
 
@@ -673,7 +673,7 @@ static void arm9tdmi_branch_resume_thumb(struct target *target)
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
 	/* nothing fetched, LDM in EXECUTE stage (2nd cycle) */
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP,
-			buf_get_u32(armv4_5->pc->value, 0, 32) | 1, NULL, 0);
+			buf_get_u32(arm->pc->value, 0, 32) | 1, NULL, 0);
 	/* nothing fetched, LDM in EXECUTE stage (3rd cycle) */
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
 
@@ -700,7 +700,8 @@ static void arm9tdmi_branch_resume_thumb(struct target *target)
 	/* fetch NOP, LDR in Execute */
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
 	/* nothing fetched, LDR in EXECUTE stage (2nd cycle) */
-	arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32), NULL, 0);
+	arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP,
+			buf_get_u32(arm->core_cache->reg_list[0].value, 0, 32), NULL, 0);
 	/* nothing fetched, LDR in EXECUTE stage (3rd cycle) */
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
 
@@ -746,9 +747,9 @@ void arm9tdmi_disable_single_step(struct target *target)
 static void arm9tdmi_build_reg_cache(struct target *target)
 {
 	struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
-	(*cache_p) = arm_build_reg_cache(target, armv4_5);
+	(*cache_p) = arm_build_reg_cache(target, arm);
 }
 
 int arm9tdmi_init_target(struct command_context *cmd_ctx,
@@ -817,7 +818,7 @@ static int arm9tdmi_target_create(struct target *target, Jim_Interp *interp)
 	struct arm7_9_common *arm7_9 = calloc(1,sizeof(struct arm7_9_common));
 
 	arm9tdmi_init_arch_info(target, arm7_9, target->tap);
-	arm7_9->armv4_5_common.is_armv4 = true;
+	arm7_9->arm.is_armv4 = true;
 
 	return ERROR_OK;
 }
diff --git a/src/target/arm_simulator.c b/src/target/arm_simulator.c
index 1723b43..a0ffdde 100644
--- a/src/target/arm_simulator.c
+++ b/src/target/arm_simulator.c
@@ -781,71 +781,71 @@ static int arm_simulate_step_core(struct target *target,
 
 static uint32_t armv4_5_get_reg(struct arm_sim_interface *sim, int reg)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	return buf_get_u32(armv4_5->core_cache->reg_list[reg].value, 0, 32);
+	return buf_get_u32(arm->core_cache->reg_list[reg].value, 0, 32);
 }
 
 static void armv4_5_set_reg(struct arm_sim_interface *sim, int reg, uint32_t value)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	buf_set_u32(armv4_5->core_cache->reg_list[reg].value, 0, 32, value);
+	buf_set_u32(arm->core_cache->reg_list[reg].value, 0, 32, value);
 }
 
 static uint32_t armv4_5_get_reg_mode(struct arm_sim_interface *sim, int reg)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	return buf_get_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
-			armv4_5->core_mode, reg).value, 0, 32);
+	return buf_get_u32(ARMV4_5_CORE_REG_MODE(arm->core_cache,
+			arm->core_mode, reg).value, 0, 32);
 }
 
 static void armv4_5_set_reg_mode(struct arm_sim_interface *sim, int reg, uint32_t value)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	buf_set_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
-			armv4_5->core_mode, reg).value, 0, 32, value);
+	buf_set_u32(ARMV4_5_CORE_REG_MODE(arm->core_cache,
+			arm->core_mode, reg).value, 0, 32, value);
 }
 
 static uint32_t armv4_5_get_cpsr(struct arm_sim_interface *sim, int pos, int bits)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	return buf_get_u32(armv4_5->cpsr->value, pos, bits);
+	return buf_get_u32(arm->cpsr->value, pos, bits);
 }
 
 static enum arm_state armv4_5_get_state(struct arm_sim_interface *sim)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	return armv4_5->core_state;
+	return arm->core_state;
 }
 
 static void armv4_5_set_state(struct arm_sim_interface *sim, enum arm_state mode)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	armv4_5->core_state = mode;
+	arm->core_state = mode;
 }
 
 
 static enum arm_mode armv4_5_get_mode(struct arm_sim_interface *sim)
 {
-	struct arm *armv4_5 = (struct arm *)sim->user_data;
+	struct arm *arm = (struct arm *)sim->user_data;
 
-	return armv4_5->core_mode;
+	return arm->core_mode;
 }
 
 
 
 int arm_simulate_step(struct target *target, uint32_t *dry_run_pc)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	struct arm_sim_interface sim;
 
-	sim.user_data = armv4_5;
+	sim.user_data = arm;
 	sim.get_reg = &armv4_5_get_reg;
 	sim.set_reg = &armv4_5_set_reg;
 	sim.get_reg_mode = &armv4_5_get_reg_mode;
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index 3e3fea0..949ced4 100644
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -470,8 +470,8 @@ static void arm_gdb_dummy_init(void)
 static int armv4_5_get_core_reg(struct reg *reg)
 {
 	int retval;
-	struct arm_reg *armv4_5 = reg->arch_info;
-	struct target *target = armv4_5->target;
+	struct arm_reg *reg_arch_info = reg->arch_info;
+	struct target *target = reg_arch_info->target;
 
 	if (target->state != TARGET_HALTED)
 	{
@@ -479,7 +479,8 @@ static int armv4_5_get_core_reg(struct reg *reg)
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	retval = armv4_5->armv4_5_common->read_core_reg(target, reg, armv4_5->num, armv4_5->mode);
+	retval = reg_arch_info->arm->read_core_reg(target, reg,
+			reg_arch_info->num, reg_arch_info->mode);
 	if (retval == ERROR_OK) {
 		reg->valid = 1;
 		reg->dirty = 0;
@@ -490,8 +491,8 @@ static int armv4_5_get_core_reg(struct reg *reg)
 
 static int armv4_5_set_core_reg(struct reg *reg, uint8_t *buf)
 {
-	struct arm_reg *armv4_5 = reg->arch_info;
-	struct target *target = armv4_5->target;
+	struct arm_reg *reg_arch_info = reg->arch_info;
+	struct target *target = reg_arch_info->target;
 	struct arm *armv4_5_target = target_to_arm(target);
 	uint32_t value = buf_get_u32(buf, 0, 32);
 
@@ -539,13 +540,13 @@ struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm)
 	int num_regs = ARRAY_SIZE(arm_core_regs);
 	struct reg_cache *cache = malloc(sizeof(struct reg_cache));
 	struct reg *reg_list = calloc(num_regs, sizeof(struct reg));
-	struct arm_reg *arch_info = calloc(num_regs, sizeof(struct arm_reg));
+	struct arm_reg *reg_arch_info = calloc(num_regs, sizeof(struct arm_reg));
 	int i;
 
-	if (!cache || !reg_list || !arch_info) {
+	if (!cache || !reg_list || !reg_arch_info) {
 		free(cache);
 		free(reg_list);
-		free(arch_info);
+		free(reg_arch_info);
 		return NULL;
 	}
 
@@ -563,16 +564,16 @@ struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm)
 
 		/* REVISIT handle Cortex-M, which only shadows R13/SP */
 
-		arch_info[i].num = arm_core_regs[i].cookie;
-		arch_info[i].mode = arm_core_regs[i].mode;
-		arch_info[i].target = target;
-		arch_info[i].armv4_5_common = arm;
+		reg_arch_info[i].num = arm_core_regs[i].cookie;
+		reg_arch_info[i].mode = arm_core_regs[i].mode;
+		reg_arch_info[i].target = target;
+		reg_arch_info[i].arm = arm;
 
 		reg_list[i].name = (char *) arm_core_regs[i].name;
 		reg_list[i].size = 32;
-		reg_list[i].value = &arch_info[i].value;
+		reg_list[i].value = &reg_arch_info[i].value;
 		reg_list[i].type = &arm_reg_type;
-		reg_list[i].arch_info = &arch_info[i];
+		reg_list[i].arch_info = &reg_arch_info[i];
 
 		cache->num_regs++;
 	}
@@ -585,9 +586,9 @@ struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm)
 
 int arm_arch_state(struct target *target)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
-	if (armv4_5->common_magic != ARM_COMMON_MAGIC)
+	if (arm->common_magic != ARM_COMMON_MAGIC)
 	{
 		LOG_ERROR("BUG: called for a non-ARM target");
 		return ERROR_FAIL;
@@ -595,12 +596,12 @@ int arm_arch_state(struct target *target)
 
 	LOG_USER("target halted in %s state due to %s, current mode: %s\n"
 			"cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "%s",
-			arm_state_strings[armv4_5->core_state],
+			arm_state_strings[arm->core_state],
 			debug_reason_name(target),
-			arm_mode_name(armv4_5->core_mode),
-			buf_get_u32(armv4_5->cpsr->value, 0, 32),
-			buf_get_u32(armv4_5->pc->value, 0, 32),
-			armv4_5->is_semihosting ? ", semihosting" : "");
+			arm_mode_name(arm->core_mode),
+			buf_get_u32(arm->cpsr->value, 0, 32),
+			buf_get_u32(arm->pc->value, 0, 32),
+			arm->is_semihosting ? ", semihosting" : "");
 
 	return ERROR_OK;
 }
@@ -611,10 +612,10 @@ int arm_arch_state(struct target *target)
 COMMAND_HANDLER(handle_armv4_5_reg_command)
 {
 	struct target *target = get_current_target(CMD_CTX);
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	struct reg *regs;
 
-	if (!is_arm(armv4_5))
+	if (!is_arm(arm))
 	{
 		command_print(CMD_CTX, "current target isn't an ARM");
 		return ERROR_FAIL;
@@ -626,25 +627,25 @@ COMMAND_HANDLER(handle_armv4_5_reg_command)
 		return ERROR_FAIL;
 	}
 
-	if (armv4_5->core_type != ARM_MODE_ANY)
+	if (arm->core_type != ARM_MODE_ANY)
 	{
 		command_print(CMD_CTX, "Microcontroller Profile not supported - use standard reg cmd");
 		return ERROR_OK;
 	}
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
 	}
 
-	if (!armv4_5->full_context) {
+	if (!arm->full_context) {
 		command_print(CMD_CTX, "error: target doesn't support %s",
 				CMD_NAME);
 		return ERROR_FAIL;
 	}
 
-	regs = armv4_5->core_cache->reg_list;
+	regs = arm->core_cache->reg_list;
 
 	for (unsigned mode = 0; mode < ARRAY_SIZE(arm_mode_data); mode++) {
 		const char *name;
@@ -660,7 +661,7 @@ COMMAND_HANDLER(handle_armv4_5_reg_command)
 			sep = "";
 			break;
 		case ARM_MODE_MON:
-			if (armv4_5->core_type != ARM_MODE_MON)
+			if (arm->core_type != ARM_MODE_MON)
 				continue;
 			/* FALLTHROUGH */
 		default:
@@ -687,7 +688,7 @@ COMMAND_HANDLER(handle_armv4_5_reg_command)
 
 				/* REVISIT be smarter about faults... */
 				if (!reg->valid)
-					armv4_5->full_context(target);
+					arm->full_context(target);
 
 				value = buf_get_u32(reg->value, 0, 32);
 				output_len += snprintf(output + output_len,
@@ -705,15 +706,15 @@ COMMAND_HANDLER(handle_armv4_5_reg_command)
 COMMAND_HANDLER(handle_armv4_5_core_state_command)
 {
 	struct target *target = get_current_target(CMD_CTX);
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
-	if (!is_arm(armv4_5))
+	if (!is_arm(arm))
 	{
 		command_print(CMD_CTX, "current target isn't an ARM");
 		return ERROR_FAIL;
 	}
 
-	if (armv4_5->core_type == ARM_MODE_THREAD)
+	if (arm->core_type == ARM_MODE_THREAD)
 	{
 		/* armv7m not supported */
 		command_print(CMD_CTX, "Unsupported Command");
@@ -724,15 +725,15 @@ COMMAND_HANDLER(handle_armv4_5_core_state_command)
 	{
 		if (strcmp(CMD_ARGV[0], "arm") == 0)
 		{
-			armv4_5->core_state = ARM_STATE_ARM;
+			arm->core_state = ARM_STATE_ARM;
 		}
 		if (strcmp(CMD_ARGV[0], "thumb") == 0)
 		{
-			armv4_5->core_state = ARM_STATE_THUMB;
+			arm->core_state = ARM_STATE_THUMB;
 		}
 	}
 
-	command_print(CMD_CTX, "core state: %s", arm_state_strings[armv4_5->core_state]);
+	command_print(CMD_CTX, "core state: %s", arm_state_strings[arm->core_state]);
 
 	return ERROR_OK;
 }
@@ -1056,10 +1057,10 @@ const struct command_registration arm_command_handlers[] = {
 int arm_get_gdb_reg_list(struct target *target,
 		struct reg **reg_list[], int *reg_list_size)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	int i;
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
@@ -1069,13 +1070,13 @@ int arm_get_gdb_reg_list(struct target *target,
 	*reg_list = malloc(sizeof(struct reg*) * (*reg_list_size));
 
 	for (i = 0; i < 16; i++)
-		(*reg_list)[i] = arm_reg_current(armv4_5, i);
+		(*reg_list)[i] = arm_reg_current(arm, i);
 
 	for (i = 16; i < 24; i++)
 		(*reg_list)[i] = &arm_gdb_dummy_fp_reg;
 
 	(*reg_list)[24] = &arm_gdb_dummy_fps_reg;
-	(*reg_list)[25] = armv4_5->cpsr;
+	(*reg_list)[25] = arm->cpsr;
 
 	return ERROR_OK;
 }
@@ -1084,7 +1085,7 @@ int arm_get_gdb_reg_list(struct target *target,
 static int armv4_5_run_algorithm_completion(struct target *target, uint32_t exit_point, int timeout_ms, void *arch_info)
 {
 	int retval;
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
 	if ((retval = target_wait_state(target, TARGET_HALTED, timeout_ms)) != ERROR_OK)
 	{
@@ -1102,10 +1103,10 @@ static int armv4_5_run_algorithm_completion(struct target *target, uint32_t exit
 	}
 
 	/* fast exit: ARMv5+ code can use BKPT */
-	if (exit_point && buf_get_u32(armv4_5->pc->value, 0, 32) != exit_point)
+	if (exit_point && buf_get_u32(arm->pc->value, 0, 32) != exit_point)
 	{
 		LOG_WARNING("target reentered debug state, but not at the desired exit point: 0x%4.4" PRIx32 "",
-			buf_get_u32(armv4_5->pc->value, 0, 32));
+			buf_get_u32(arm->pc->value, 0, 32));
 		return ERROR_TARGET_TIMEOUT;
 	}
 
@@ -1120,9 +1121,9 @@ int armv4_5_run_algorithm_inner(struct target *target,
 		int (*run_it)(struct target *target, uint32_t exit_point,
 				int timeout_ms, void *arch_info))
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	struct arm_algorithm *arm_algorithm_info = arch_info;
-	enum arm_state core_state = armv4_5->core_state;
+	enum arm_state core_state = arm->core_state;
 	uint32_t context[17];
 	uint32_t cpsr;
 	int exit_breakpoint_size = 0;
@@ -1143,14 +1144,14 @@ int armv4_5_run_algorithm_inner(struct target *target,
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		LOG_ERROR("not a valid arm core mode - communication failure?");
 		return ERROR_FAIL;
 	}
 
 	/* armv5 and later can terminate with BKPT instruction; less overhead */
-	if (!exit_point && armv4_5->is_armv4)
+	if (!exit_point && arm->is_armv4)
 	{
 		LOG_ERROR("ARMv4 target needs HW breakpoint location");
 		return ERROR_FAIL;
@@ -1163,14 +1164,14 @@ int armv4_5_run_algorithm_inner(struct target *target,
 	{
 		struct reg *r;
 
-		r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+		r = &ARMV4_5_CORE_REG_MODE(arm->core_cache,
 				arm_algorithm_info->core_mode, i);
 		if (!r->valid)
-			armv4_5->read_core_reg(target, r, i,
+			arm->read_core_reg(target, r, i,
 					arm_algorithm_info->core_mode);
 		context[i] = buf_get_u32(r->value, 0, 32);
 	}
-	cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 32);
+	cpsr = buf_get_u32(arm->cpsr->value, 0, 32);
 
 	for (i = 0; i < num_mem_params; i++)
 	{
@@ -1182,7 +1183,7 @@ int armv4_5_run_algorithm_inner(struct target *target,
 
 	for (i = 0; i < num_reg_params; i++)
 	{
-		struct reg *reg = register_get_by_name(armv4_5->core_cache, reg_params[i].reg_name, 0);
+		struct reg *reg = register_get_by_name(arm->core_cache, reg_params[i].reg_name, 0);
 		if (!reg)
 		{
 			LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
@@ -1201,10 +1202,10 @@ int armv4_5_run_algorithm_inner(struct target *target,
 		}
 	}
 
-	armv4_5->core_state = arm_algorithm_info->core_state;
-	if (armv4_5->core_state == ARM_STATE_ARM)
+	arm->core_state = arm_algorithm_info->core_state;
+	if (arm->core_state == ARM_STATE_ARM)
 		exit_breakpoint_size = 4;
-	else if (armv4_5->core_state == ARM_STATE_THUMB)
+	else if (arm->core_state == ARM_STATE_THUMB)
 		exit_breakpoint_size = 2;
 	else
 	{
@@ -1216,10 +1217,10 @@ int armv4_5_run_algorithm_inner(struct target *target,
 	{
 		LOG_DEBUG("setting core_mode: 0x%2.2x",
 				arm_algorithm_info->core_mode);
-		buf_set_u32(armv4_5->cpsr->value, 0, 5,
+		buf_set_u32(arm->cpsr->value, 0, 5,
 				arm_algorithm_info->core_mode);
-		armv4_5->cpsr->dirty = 1;
-		armv4_5->cpsr->valid = 1;
+		arm->cpsr->dirty = 1;
+		arm->cpsr->valid = 1;
 	}
 
 	/* terminate using a hardware or (ARMv5+) software breakpoint */
@@ -1257,7 +1258,7 @@ int armv4_5_run_algorithm_inner(struct target *target,
 		if (reg_params[i].direction != PARAM_OUT)
 		{
 
-			struct reg *reg = register_get_by_name(armv4_5->core_cache, reg_params[i].reg_name, 0);
+			struct reg *reg = register_get_by_name(arm->core_cache, reg_params[i].reg_name, 0);
 			if (!reg)
 			{
 				LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
@@ -1280,20 +1281,24 @@ int armv4_5_run_algorithm_inner(struct target *target,
 	for (i = 0; i <= 16; i++)
 	{
 		uint32_t regvalue;
-		regvalue = buf_get_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).value, 0, 32);
+		regvalue = buf_get_u32(ARMV4_5_CORE_REG_MODE(arm->core_cache,
+				arm_algorithm_info->core_mode, i).value, 0, 32);
 		if (regvalue != context[i])
 		{
-			LOG_DEBUG("restoring register %s with value 0x%8.8" PRIx32 "", ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).name, context[i]);
-			buf_set_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).value, 0, 32, context[i]);
-			ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).valid = 1;
-			ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).dirty = 1;
+			LOG_DEBUG("restoring register %s with value 0x%8.8" PRIx32 "",
+					ARMV4_5_CORE_REG_MODE(arm->core_cache,
+					arm_algorithm_info->core_mode, i).name, context[i]);
+			buf_set_u32(ARMV4_5_CORE_REG_MODE(arm->core_cache,
+					arm_algorithm_info->core_mode, i).value, 0, 32, context[i]);
+			ARMV4_5_CORE_REG_MODE(arm->core_cache, arm_algorithm_info->core_mode, i).valid = 1;
+			ARMV4_5_CORE_REG_MODE(arm->core_cache, arm_algorithm_info->core_mode, i).dirty = 1;
 		}
 	}
 
-	arm_set_cpsr(armv4_5, cpsr);
-	armv4_5->cpsr->dirty = 1;
+	arm_set_cpsr(arm, cpsr);
+	arm->cpsr->dirty = 1;
 
-	armv4_5->core_state = core_state;
+	arm->core_state = core_state;
 
 	return retval;
 }
@@ -1312,7 +1317,7 @@ int arm_checksum_memory(struct target *target,
 {
 	struct working_area *crc_algorithm;
 	struct arm_algorithm armv4_5_info;
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	struct reg_param reg_params[2];
 	int retval;
 	uint32_t i;
@@ -1377,7 +1382,7 @@ int arm_checksum_memory(struct target *target,
 	int timeout = 20000 * (1 + (count / (1024 * 1024)));
 
 	/* armv4 must exit using a hardware breakpoint */
-	if (armv4_5->is_armv4)
+	if (arm->is_armv4)
 		exit_var = crc_algorithm->address + sizeof(arm_crc_code) - 8;
 
 	retval = target_run_algorithm(target, 0, NULL, 2, reg_params,
@@ -1414,7 +1419,7 @@ int arm_blank_check_memory(struct target *target,
 	struct working_area *check_algorithm;
 	struct reg_param reg_params[3];
 	struct arm_algorithm armv4_5_info;
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	int retval;
 	uint32_t i;
 	uint32_t exit_var = 0;
@@ -1459,7 +1464,7 @@ int arm_blank_check_memory(struct target *target,
 	buf_set_u32(reg_params[2].value, 0, 32, 0xff);
 
 	/* armv4 must exit using a hardware breakpoint */
-	if (armv4_5->is_armv4)
+	if (arm->is_armv4)
 		exit_var = check_algorithm->address + sizeof(check_code) - 4;
 
 	retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
@@ -1487,9 +1492,9 @@ int arm_blank_check_memory(struct target *target,
 
 static int arm_full_context(struct target *target)
 {
-	struct arm *armv4_5 = target_to_arm(target);
-	unsigned num_regs = armv4_5->core_cache->num_regs;
-	struct reg *reg = armv4_5->core_cache->reg_list;
+	struct arm *arm = target_to_arm(target);
+	unsigned num_regs = arm->core_cache->num_regs;
+	struct reg *reg = arm->core_cache->reg_list;
 	int retval = ERROR_OK;
 
 	for (; num_regs && retval == ERROR_OK; num_regs--, reg++) {
@@ -1518,27 +1523,27 @@ static int arm_default_mcr(struct target *target, int cpnum,
 	return ERROR_FAIL;
 }
 
-int arm_init_arch_info(struct target *target, struct arm *armv4_5)
+int arm_init_arch_info(struct target *target, struct arm *arm)
 {
-	target->arch_info = armv4_5;
-	armv4_5->target = target;
+	target->arch_info = arm;
+	arm->target = target;
 
-	armv4_5->common_magic = ARM_COMMON_MAGIC;
+	arm->common_magic = ARM_COMMON_MAGIC;
 
 	/* core_type may be overridden by subtype logic */
-	if (armv4_5->core_type != ARM_MODE_THREAD) {
-		armv4_5->core_type = ARM_MODE_ANY;
-		arm_set_cpsr(armv4_5, ARM_MODE_USR);
+	if (arm->core_type != ARM_MODE_THREAD) {
+		arm->core_type = ARM_MODE_ANY;
+		arm_set_cpsr(arm, ARM_MODE_USR);
 	}
 
 	/* default full_context() has no core-specific optimizations */
-	if (!armv4_5->full_context && armv4_5->read_core_reg)
-		armv4_5->full_context = arm_full_context;
+	if (!arm->full_context && arm->read_core_reg)
+		arm->full_context = arm_full_context;
 
-	if (!armv4_5->mrc)
-		armv4_5->mrc = arm_default_mrc;
-	if (!armv4_5->mcr)
-		armv4_5->mcr = arm_default_mcr;
+	if (!arm->mrc)
+		arm->mrc = arm_default_mrc;
+	if (!arm->mcr)
+		arm->mcr = arm_default_mcr;
 
 	return ERROR_OK;
 }
diff --git a/src/target/armv7a.c b/src/target/armv7a.c
index 13dca9a..2ef370b 100644
--- a/src/target/armv7a.c
+++ b/src/target/armv7a.c
@@ -43,7 +43,7 @@ static void armv7a_show_fault_registers(struct target *target)
 {
 	uint32_t dfsr, ifsr, dfar, ifar;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
 	int retval;
 
 	retval = dpm->prepare(dpm);
@@ -90,7 +90,7 @@ done:
 static int armv7a_read_ttbcr(struct target *target)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
 	uint32_t ttbcr;
 	int retval = dpm->prepare(dpm);
 	if (retval!=ERROR_OK) goto done;
@@ -130,7 +130,7 @@ int armv7a_mmu_translate_va(struct target *target,  uint32_t va, uint32_t *val)
 	uint32_t second_lvl_descriptor = 0x0;
 	int retval;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
 	uint32_t ttb = 0; /*  default ttb0 */
 	if (armv7a->armv7a_mmu.ttbr1_used == -1) armv7a_read_ttbcr(target);
 	if ((armv7a->armv7a_mmu.ttbr1_used) &&
@@ -238,7 +238,7 @@ int armv7a_mmu_translate_va_pa(struct target *target, uint32_t va,
 {
 	int retval = ERROR_FAIL;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
 	uint32_t virt = va & ~0xfff;
 	uint32_t NOS,NS,INNER,OUTER;
 	*val = 0xdeadbeef;
@@ -332,7 +332,7 @@ static int armv7a_handle_inner_cache_info_command(struct command_context *cmd_ct
 static int _armv7a_flush_all_data(struct target *target)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
 	struct armv7a_cachesize *d_u_size =
 		&(armv7a->armv7a_mmu.armv7a_cache.d_u_size);
 	int32_t c_way, c_index = d_u_size->index;
@@ -546,7 +546,7 @@ static int armv7a_read_mpidr(struct target *target)
 {
     int retval = ERROR_FAIL;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
     uint32_t mpidr;
 	retval = dpm->prepare(dpm);
 	if (retval!=ERROR_OK) goto done;
@@ -583,7 +583,7 @@ int armv7a_identify_cache(struct target *target)
 	/*  read cache descriptor */
 	int retval = ERROR_FAIL;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+	struct arm_dpm *dpm = armv7a->arm.dpm;
 	uint32_t cache_selected,clidr;
 	uint32_t cache_i_reg, cache_d_reg;
 	struct armv7a_cache_common *cache = &(armv7a->armv7a_mmu.armv7a_cache);
@@ -612,7 +612,7 @@ int armv7a_identify_cache(struct target *target)
 			&cache_selected);
 	if (retval!=ERROR_OK) goto done;
 
-	retval = armv7a->armv4_5_common.mrc(target, 15,
+	retval = armv7a->arm.mrc(target, 15,
 			2, 0,	/* op1, op2 */
 			0, 0,	/* CRn, CRm */
 			&cache_selected);
@@ -721,12 +721,12 @@ done:
 
 int armv7a_init_arch_info(struct target *target, struct armv7a_common *armv7a)
 {
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
-    armv4_5->arch_info = armv7a;
-	target->arch_info = &armv7a->armv4_5_common;
+	struct arm *arm = &armv7a->arm;
+	arm->arch_info = armv7a;
+	target->arch_info = &armv7a->arm;
 	/*  target is useful in all function arm v4 5 compatible */
-	armv7a->armv4_5_common.target = target;
-	armv7a->armv4_5_common.common_magic =  ARM_COMMON_MAGIC;
+	armv7a->arm.target = target;
+	armv7a->arm.common_magic =  ARM_COMMON_MAGIC;
 	armv7a->common_magic = ARMV7_COMMON_MAGIC;
 	armv7a->armv7a_mmu.armv7a_cache.l2_cache = NULL;
 	armv7a->armv7a_mmu.armv7a_cache.ctype = -1;
@@ -743,7 +743,7 @@ int armv7a_arch_state(struct target *target)
 	};
 
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
+	struct arm *arm = &armv7a->arm;
 
 	if (armv7a->common_magic != ARMV7_COMMON_MAGIC)
 	{
@@ -758,7 +758,7 @@ int armv7a_arch_state(struct target *target)
 		 state[armv7a->armv7a_mmu.armv7a_cache.d_u_cache_enabled],
 		 state[armv7a->armv7a_mmu.armv7a_cache.i_cache_enabled]);
 
-	if (armv4_5->core_mode == ARM_MODE_ABT)
+	if (arm->core_mode == ARM_MODE_ABT)
 		armv7a_show_fault_registers(target);
 	if (target->debug_reason == DBG_REASON_WATCHPOINT)
 		LOG_USER("Watchpoint triggered at PC %#08x",
diff --git a/src/target/armv7a.h b/src/target/armv7a.h
index 6f54ce6..bfc0e70 100644
--- a/src/target/armv7a.h
+++ b/src/target/armv7a.h
@@ -96,7 +96,7 @@ struct armv7a_mmu_common
 
 struct armv7a_common
 {
-	struct arm armv4_5_common;
+	struct arm arm;
 	int common_magic;
 	struct reg_cache *core_cache;
 
@@ -125,7 +125,7 @@ static inline struct armv7a_common *
 target_to_armv7a(struct target *target)
 {
 	return container_of(target->arch_info, struct armv7a_common,
-			armv4_5_common);
+			arm);
 }
 
 /* register offsets from armv7a.debug_base */
diff --git a/src/target/cortex_a.c b/src/target/cortex_a.c
index c9401af..862fd55 100755
--- a/src/target/cortex_a.c
+++ b/src/target/cortex_a.c
@@ -87,7 +87,7 @@ static int cortex_a8_restore_cp15_control_reg(struct target* target)
 	{
 		cortex_a8->cp15_control_reg_curr = cortex_a8->cp15_control_reg;
 		//LOG_INFO("cp15_control_reg: %8.8" PRIx32, cortex_a8->cp15_control_reg);
-		retval = armv7a->armv4_5_common.mcr(target, 15,
+		retval = armv7a->arm.mcr(target, 15,
 				0, 0,   /* op1, op2 */
 				1, 0,   /* CRn, CRm */
 				cortex_a8->cp15_control_reg);
@@ -103,22 +103,22 @@ static int cortex_a8_check_address(struct target *target, uint32_t address)
 	struct cortex_a8_common *cortex_a8 = target_to_cortex_a8(target);
 	uint32_t os_border = armv7a->armv7a_mmu.os_border;
 	if ((address < os_border) &&
-			(armv7a->armv4_5_common.core_mode == ARM_MODE_SVC)){
+			(armv7a->arm.core_mode == ARM_MODE_SVC)) {
 		LOG_ERROR("%x access in userspace and target in supervisor",address);
 		return ERROR_FAIL;
 	}
 	if ((address >= os_border) &&
-			( cortex_a8->curr_mode != ARM_MODE_SVC)){
-        dpm_modeswitch(&armv7a->dpm, ARM_MODE_SVC);
-        cortex_a8->curr_mode = ARM_MODE_SVC;
+			(cortex_a8->curr_mode != ARM_MODE_SVC)) {
+		dpm_modeswitch(&armv7a->dpm, ARM_MODE_SVC);
+		cortex_a8->curr_mode = ARM_MODE_SVC;
 		LOG_INFO("%x access in kernel space and target not in supervisor",
 				address);
 		return ERROR_OK;
 	}
 	if ((address < os_border) &&
-			(cortex_a8->curr_mode == ARM_MODE_SVC)){
-	 dpm_modeswitch(&armv7a->dpm, ARM_MODE_ANY);
-     cortex_a8->curr_mode = ARM_MODE_ANY;
+			(cortex_a8->curr_mode == ARM_MODE_SVC)) {
+		dpm_modeswitch(&armv7a->dpm, ARM_MODE_ANY);
+		cortex_a8->curr_mode = ARM_MODE_ANY;
 	}
 	return ERROR_OK;
 }
@@ -141,7 +141,7 @@ static int cortex_a8_mmu_modify(struct target *target, int enable)
 		if (!(cortex_a8->cp15_control_reg_curr & 0x1U))
 		{
 			cortex_a8->cp15_control_reg_curr |= 0x1U;
-			retval = armv7a->armv4_5_common.mcr(target, 15,
+			retval = armv7a->arm.mcr(target, 15,
 					0, 0,   /* op1, op2 */
 					1, 0,   /* CRn, CRm */
 					cortex_a8->cp15_control_reg_curr);
@@ -160,7 +160,7 @@ static int cortex_a8_mmu_modify(struct target *target, int enable)
 		if ( (cortex_a8->cp15_control_reg_curr & 0x1U))
 		{
 			cortex_a8->cp15_control_reg_curr &= ~0x1U;
-			retval = armv7a->armv4_5_common.mcr(target, 15,
+			retval = armv7a->arm.mcr(target, 15,
 					0, 0,   /* op1, op2 */
 					1, 0,   /* CRn, CRm */
 					cortex_a8->cp15_control_reg_curr);
@@ -175,7 +175,7 @@ static int cortex_a8_mmu_modify(struct target *target, int enable)
 static int cortex_a8_init_debug_access(struct target *target)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	int retval;
 	uint32_t dummy;
 
@@ -223,7 +223,7 @@ static int cortex_a8_exec_opcode(struct target *target,
 	uint32_t dscr;
 	int retval;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 
 	dscr = dscr_p ? *dscr_p : 0;
 
@@ -285,7 +285,7 @@ static int cortex_a8_read_regs_through_mem(struct target *target, uint32_t addre
 {
 	int retval = ERROR_OK;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 
 	retval = cortex_a8_dap_read_coreregister_u32(target, regfile, 0);
 	if (retval != ERROR_OK)
@@ -310,7 +310,7 @@ static int cortex_a8_dap_read_coreregister_u32(struct target *target,
 	uint8_t reg = regnum&0xFF;
 	uint32_t dscr = 0;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 
 	if (reg > 17)
 		return retval;
@@ -380,7 +380,7 @@ static int cortex_a8_dap_write_coreregister_u32(struct target *target,
 	uint8_t Rd = regnum&0xFF;
 	uint32_t dscr;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 
 	LOG_DEBUG("register %i, value 0x%08" PRIx32, regnum, value);
 
@@ -464,7 +464,7 @@ static int cortex_a8_dap_write_memap_register_u32(struct target *target, uint32_
 {
 	int retval;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 
 	retval = mem_ap_sel_write_atomic_u32(swjdp, swjdp_debugap, address, value);
 
@@ -490,14 +490,14 @@ static inline struct cortex_a8_common *dpm_to_a8(struct arm_dpm *dpm)
 static int cortex_a8_write_dcc(struct cortex_a8_common *a8, uint32_t data)
 {
 	LOG_DEBUG("write DCC 0x%08" PRIx32, data);
-	return mem_ap_sel_write_u32(a8->armv7a_common.armv4_5_common.dap,
+	return mem_ap_sel_write_u32(a8->armv7a_common.arm.dap,
 			swjdp_debugap,a8->armv7a_common.debug_base + CPUDBG_DTRRX, data);
 }
 
 static int cortex_a8_read_dcc(struct cortex_a8_common *a8, uint32_t *data,
 		uint32_t *dscr_p)
 {
-	struct adiv5_dap *swjdp = a8->armv7a_common.armv4_5_common.dap;
+	struct adiv5_dap *swjdp = a8->armv7a_common.arm.dap;
 	uint32_t dscr = DSCR_INSTR_COMP;
 	int retval;
 
@@ -534,7 +534,7 @@ static int cortex_a8_read_dcc(struct cortex_a8_common *a8, uint32_t *data,
 static int cortex_a8_dpm_prepare(struct arm_dpm *dpm)
 {
 	struct cortex_a8_common *a8 = dpm_to_a8(dpm);
-	struct adiv5_dap *swjdp = a8->armv7a_common.armv4_5_common.dap;
+	struct adiv5_dap *swjdp = a8->armv7a_common.arm.dap;
 	uint32_t dscr;
 	int retval;
 
@@ -561,7 +561,7 @@ static int cortex_a8_dpm_prepare(struct arm_dpm *dpm)
 		LOG_ERROR("DSCR_DTR_RX_FULL, dscr 0x%08" PRIx32, dscr);
 		/* Clear DCCRX */
 		retval = cortex_a8_exec_opcode(
-				a8->armv7a_common.armv4_5_common.target,
+				a8->armv7a_common.arm.target,
 				ARMV4_5_MRC(14, 0, 0, 0, 5, 0),
 				&dscr);
 		if (retval != ERROR_OK)
@@ -589,7 +589,7 @@ static int cortex_a8_instr_write_data_dcc(struct arm_dpm *dpm,
 		return retval;
 
 	return cortex_a8_exec_opcode(
-			a8->armv7a_common.armv4_5_common.target,
+			a8->armv7a_common.arm.target,
 			opcode,
 			&dscr);
 }
@@ -607,7 +607,7 @@ static int cortex_a8_instr_write_data_r0(struct arm_dpm *dpm,
 
 	/* DCCRX to R0, "MCR p14, 0, R0, c0, c5, 0", 0xEE000E15 */
 	retval = cortex_a8_exec_opcode(
-			a8->armv7a_common.armv4_5_common.target,
+			a8->armv7a_common.arm.target,
 			ARMV4_5_MRC(14, 0, 0, 0, 5, 0),
 			&dscr);
 	if (retval != ERROR_OK)
@@ -615,7 +615,7 @@ static int cortex_a8_instr_write_data_r0(struct arm_dpm *dpm,
 
 	/* then the opcode, taking data from R0 */
 	retval = cortex_a8_exec_opcode(
-			a8->armv7a_common.armv4_5_common.target,
+			a8->armv7a_common.arm.target,
 			opcode,
 			&dscr);
 
@@ -642,7 +642,7 @@ static int cortex_a8_instr_read_data_dcc(struct arm_dpm *dpm,
 
 	/* the opcode, writing data to DCC */
 	retval = cortex_a8_exec_opcode(
-			a8->armv7a_common.armv4_5_common.target,
+			a8->armv7a_common.arm.target,
 			opcode,
 			&dscr);
 	if (retval != ERROR_OK)
@@ -661,7 +661,7 @@ static int cortex_a8_instr_read_data_r0(struct arm_dpm *dpm,
 
 	/* the opcode, writing data to R0 */
 	retval = cortex_a8_exec_opcode(
-			a8->armv7a_common.armv4_5_common.target,
+			a8->armv7a_common.arm.target,
 			opcode,
 			&dscr);
 	if (retval != ERROR_OK)
@@ -669,7 +669,7 @@ static int cortex_a8_instr_read_data_r0(struct arm_dpm *dpm,
 
 	/* write R0 to DCC */
 	retval = cortex_a8_exec_opcode(
-			a8->armv7a_common.armv4_5_common.target,
+			a8->armv7a_common.arm.target,
 			ARMV4_5_MCR(14, 0, 0, 0, 5, 0),
 			&dscr);
 	if (retval != ERROR_OK)
@@ -743,7 +743,7 @@ static int cortex_a8_dpm_setup(struct cortex_a8_common *a8, uint32_t didr)
 	struct arm_dpm *dpm = &a8->armv7a_common.dpm;
 	int retval;
 
-	dpm->arm = &a8->armv7a_common.armv4_5_common;
+	dpm->arm = &a8->armv7a_common.arm;
 	dpm->didr = didr;
 
 	dpm->prepare = cortex_a8_dpm_prepare;
@@ -824,7 +824,7 @@ static int cortex_a8_poll(struct target *target)
 	uint32_t dscr;
 	struct cortex_a8_common *cortex_a8 = target_to_cortex_a8(target);
 	struct armv7a_common *armv7a = &cortex_a8->armv7a_common;
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	enum target_state prev_target_state = target->state;
 	//  toggle to another core is done by gdb as follow
 	//  maint packet J core_id
@@ -907,7 +907,7 @@ static int cortex_a8_halt(struct target *target)
 	int retval = ERROR_OK;
 	uint32_t dscr;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 
 	/*
 	 * Tell the core to be halted by writing DRCR with 0x1
@@ -958,7 +958,7 @@ static int cortex_a8_internal_restore(struct target *target, int current,
 		uint32_t *address, int handle_breakpoints, int debug_execution)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
+	struct arm *arm = &armv7a->arm;
 	int retval;
 	uint32_t resume_pc;
 
@@ -987,7 +987,7 @@ static int cortex_a8_internal_restore(struct target *target, int current,
 #endif
 
 	/* current = 1: continue on current pc, otherwise continue at <address> */
-	resume_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	resume_pc = buf_get_u32(arm->pc->value, 0, 32);
 	if (!current)
 		resume_pc = *address;
 	else
@@ -996,7 +996,7 @@ static int cortex_a8_internal_restore(struct target *target, int current,
 	/* Make sure that the Armv7 gdb thumb fixups does not
 	 * kill the return address
 	 */
-	switch (armv4_5->core_state)
+	switch (arm->core_state)
 	{
 	case ARM_STATE_ARM:
 		resume_pc &= 0xFFFFFFFC;
@@ -1013,9 +1013,9 @@ static int cortex_a8_internal_restore(struct target *target, int current,
 		return ERROR_FAIL;
 	}
 	LOG_DEBUG("resume pc = 0x%08" PRIx32, resume_pc);
-	buf_set_u32(armv4_5->pc->value, 0, 32, resume_pc);
-	armv4_5->pc->dirty = 1;
-	armv4_5->pc->valid = 1;
+	buf_set_u32(arm->pc->value, 0, 32, resume_pc);
+	arm->pc->dirty = 1;
+	arm->pc->valid = 1;
 	/* restore dpm_mode at system halt */
     dpm_modeswitch(&armv7a->dpm, ARM_MODE_ANY);
     /* called it now before restoring context because it uses cpu
@@ -1030,7 +1030,7 @@ static int cortex_a8_internal_restore(struct target *target, int current,
 	target->state = TARGET_RUNNING;
 
 	/* registers are now invalid */
-	register_cache_invalidate(armv4_5->core_cache);
+	register_cache_invalidate(arm->core_cache);
 
 #if 0
 	/* the front-end may request us not to handle breakpoints */
@@ -1053,8 +1053,8 @@ static int cortex_a8_internal_restore(struct target *target, int current,
 static int cortex_a8_internal_restart(struct target *target)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
-	struct adiv5_dap *swjdp = armv4_5->dap;
+	struct arm *arm = &armv7a->arm;
+	struct adiv5_dap *swjdp = arm->dap;
 	int retval;
 	uint32_t dscr;
 /*
@@ -1104,7 +1104,7 @@ static int cortex_a8_internal_restart(struct target *target)
 	target->state = TARGET_RUNNING;
 
 	/* registers are now invalid */
-	register_cache_invalidate(armv4_5->core_cache);
+	register_cache_invalidate(arm->core_cache);
 
 	return ERROR_OK;
 }
@@ -1179,8 +1179,8 @@ static int cortex_a8_debug_entry(struct target *target)
 	struct working_area *regfile_working_area = NULL;
 	struct cortex_a8_common *cortex_a8 = target_to_cortex_a8(target);
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct arm *arm = &armv7a->arm;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	struct reg *reg;
 
 	LOG_DEBUG("dscr = 0x%08" PRIx32, cortex_a8->cpudbg_dscr);
@@ -1248,12 +1248,12 @@ static int cortex_a8_debug_entry(struct target *target)
 
 		LOG_DEBUG("cpsr: %8.8" PRIx32, cpsr);
 
-		arm_set_cpsr(armv4_5, cpsr);
+		arm_set_cpsr(arm, cpsr);
 
 		/* update cache */
 		for (i = 0; i <= ARM_PC; i++)
 		{
-			reg = arm_reg_current(armv4_5, i);
+			reg = arm_reg_current(arm, i);
 
 			buf_set_u32(reg->value, 0, 32, regfile[i]);
 			reg->valid = 1;
@@ -1272,7 +1272,7 @@ static int cortex_a8_debug_entry(struct target *target)
 			regfile[ARM_PC] -= 8;
 		}
 
-		reg = armv4_5->pc;
+		reg = arm->pc;
 		buf_set_u32(reg->value, 0, 32, regfile[ARM_PC]);
 		reg->dirty = reg->valid;
 	}
@@ -1309,7 +1309,7 @@ static int cortex_a8_post_debug_entry(struct target *target)
 	int retval;
 
 	/* MRC p15,0,<Rt>,c1,c0,0 ; Read CP15 System Control Register */
-	retval = armv7a->armv4_5_common.mrc(target, 15,
+	retval = armv7a->arm.mrc(target, 15,
 			0, 0,	/* op1, op2 */
 			1, 0,	/* CRn, CRm */
 			&cortex_a8->cp15_control_reg);
@@ -1329,8 +1329,8 @@ static int cortex_a8_post_debug_entry(struct target *target)
 			(cortex_a8->cp15_control_reg & 0x4U) ? 1 : 0;
 	armv7a->armv7a_mmu.armv7a_cache.i_cache_enabled =
 			(cortex_a8->cp15_control_reg & 0x1000U) ? 1 : 0;
-    cortex_a8->curr_mode = armv7a->armv4_5_common.core_mode;
-    
+	cortex_a8->curr_mode = armv7a->arm.core_mode;
+
 	return ERROR_OK;
 }
 
@@ -1338,7 +1338,7 @@ static int cortex_a8_step(struct target *target, int current, uint32_t address,
 		int handle_breakpoints)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
+	struct arm *arm = &armv7a->arm;
 	struct breakpoint *breakpoint = NULL;
 	struct breakpoint stepbreakpoint;
 	struct reg *r;
@@ -1351,7 +1351,7 @@ static int cortex_a8_step(struct target *target, int current, uint32_t address,
 	}
 
 	/* current = 1: continue on current pc, otherwise continue at <address> */
-	r = armv4_5->pc;
+	r = arm->pc;
 	if (!current)
 	{
 		buf_set_u32(r->value, 0, 32, address);
@@ -1374,7 +1374,7 @@ static int cortex_a8_step(struct target *target, int current, uint32_t address,
 
 	/* Setup single step breakpoint */
 	stepbreakpoint.address = address;
-	stepbreakpoint.length = (armv4_5->core_state == ARM_STATE_THUMB)
+	stepbreakpoint.length = (arm->core_state == ARM_STATE_THUMB)
 			? 2 : 4;
 	stepbreakpoint.type = BKPT_HARD;
 	stepbreakpoint.set = 0;
@@ -1866,7 +1866,7 @@ static int cortex_a8_assert_reset(struct target *target)
 	}
 
 	/* registers are now invalid */
-	register_cache_invalidate(armv7a->armv4_5_common.core_cache);
+	register_cache_invalidate(armv7a->arm.core_cache);
 
 	target->state = TARGET_RESET;
 
@@ -1908,7 +1908,7 @@ static int cortex_a8_write_apb_ab_memory(struct target *target,
 
 	int retval = ERROR_COMMAND_SYNTAX_ERROR;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
+	struct arm *arm = &armv7a->arm;
 	int total_bytes = count * size;
 	int start_byte, nbytes_to_write, i;
 	struct reg *reg;
@@ -1923,9 +1923,9 @@ static int cortex_a8_write_apb_ab_memory(struct target *target,
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	reg = arm_reg_current(armv4_5, 0);
+	reg = arm_reg_current(arm, 0);
 	reg->dirty = 1;
-	reg = arm_reg_current(armv4_5, 1);
+	reg = arm_reg_current(arm, 1);
 	reg->dirty = 1;
 
 	retval = cortex_a8_dap_write_coreregister_u32(target, address & 0xFFFFFFFC, 0);
@@ -1981,7 +1981,7 @@ static int cortex_a8_read_apb_ab_memory(struct target *target,
 
 	int retval = ERROR_COMMAND_SYNTAX_ERROR;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct arm *armv4_5 = &armv7a->armv4_5_common;
+	struct arm *arm = &armv7a->arm;
 	int total_bytes = count * size;
 	int start_byte, nbytes_to_read, i;
 	struct reg *reg;
@@ -1996,9 +1996,9 @@ static int cortex_a8_read_apb_ab_memory(struct target *target,
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	reg = arm_reg_current(armv4_5, 0);
+	reg = arm_reg_current(arm, 0);
 	reg->dirty = 1;
-	reg = arm_reg_current(armv4_5, 1);
+	reg = arm_reg_current(arm, 1);
 	reg->dirty = 1;
 
 	retval = cortex_a8_dap_write_coreregister_u32(target, address & 0xFFFFFFFC, 0);
@@ -2046,7 +2046,7 @@ static int cortex_a8_read_phys_memory(struct target *target,
                 uint32_t count, uint8_t *buffer)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	int retval = ERROR_COMMAND_SYNTAX_ERROR;
 	uint8_t apsel = swjdp->apsel;
 	LOG_DEBUG("Reading memory at real address 0x%x; size %d; count %d",
@@ -2091,7 +2091,7 @@ static int cortex_a8_read_memory(struct target *target, uint32_t address,
 	uint32_t virt, phys;
 	int retval;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	uint8_t apsel = swjdp->apsel;
 
 	/* cortex_a8 handles unaligned memory access */
@@ -2131,7 +2131,7 @@ static int cortex_a8_write_phys_memory(struct target *target,
                 uint32_t count, const uint8_t *buffer)
 {
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	int retval = ERROR_COMMAND_SYNTAX_ERROR;
 	uint8_t apsel = swjdp->apsel;
 
@@ -2173,7 +2173,7 @@ static int cortex_a8_write_phys_memory(struct target *target,
 	/* REVISIT this op is generic ARMv7-A/R stuff */
 	if (retval == ERROR_OK && target->state == TARGET_HALTED)
 	{
-		struct arm_dpm *dpm = armv7a->armv4_5_common.dpm;
+		struct arm_dpm *dpm = armv7a->arm.dpm;
 
 		retval = dpm->prepare(dpm);
 		if (retval != ERROR_OK)
@@ -2237,7 +2237,7 @@ static int cortex_a8_write_memory(struct target *target, uint32_t address,
 	uint32_t virt, phys;
 	int retval;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	uint8_t apsel = swjdp->apsel;
 	/* cortex_a8 handles unaligned memory access */
 	LOG_DEBUG("Reading memory at address 0x%x; size %d; count %d", address,
@@ -2284,7 +2284,7 @@ static int cortex_a8_handle_target_request(void *priv)
 {
 	struct target *target = priv;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	int retval;
 
 	if (!target_was_examined(target))
@@ -2324,7 +2324,7 @@ static int cortex_a8_examine_first(struct target *target)
 {
 	struct cortex_a8_common *cortex_a8 = target_to_cortex_a8(target);
 	struct armv7a_common *armv7a = &cortex_a8->armv7a_common;
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	int i;
 	int retval = ERROR_OK;
 	uint32_t didr, ctypr, ttypr, cpuid;
@@ -2393,7 +2393,7 @@ static int cortex_a8_examine_first(struct target *target)
 	LOG_DEBUG("ttypr = 0x%08" PRIx32, ttypr);
 	LOG_DEBUG("didr = 0x%08" PRIx32, didr);
 
-	armv7a->armv4_5_common.core_type = ARM_MODE_MON;
+	armv7a->arm.core_type = ARM_MODE_MON;
 	retval = cortex_a8_dpm_setup(cortex_a8, didr);
 	if (retval != ERROR_OK)
 		return retval;
@@ -2454,14 +2454,14 @@ static int cortex_a8_init_arch_info(struct target *target,
 	struct armv7a_common *armv7a = &cortex_a8->armv7a_common;
 	struct adiv5_dap *dap = &armv7a->dap;
 
-	armv7a->armv4_5_common.dap = dap;
+	armv7a->arm.dap = dap;
 
 	/* Setup struct cortex_a8_common */
 	cortex_a8->common_magic = CORTEX_A8_COMMON_MAGIC;
 	/*  tap has no dap initialized */
 	if (!tap->dap)
 	{
-	armv7a->armv4_5_common.dap = dap;
+	armv7a->arm.dap = dap;
 	/* Setup struct cortex_a8_common */
 
 	/* prepare JTAG information for the new target */
@@ -2477,7 +2477,7 @@ static int cortex_a8_init_arch_info(struct target *target,
 	tap->dap = dap;
     }
 	else
-	armv7a->armv4_5_common.dap = tap->dap;
+	armv7a->arm.dap = tap->dap;
 
 	cortex_a8->fast_reg_read = 0;
 
@@ -2525,7 +2525,7 @@ static int cortex_a8_virt2phys(struct target *target,
 {
 	int retval = ERROR_FAIL;
 	struct armv7a_common *armv7a = target_to_armv7a(target);
-	struct adiv5_dap *swjdp = armv7a->armv4_5_common.dap;
+	struct adiv5_dap *swjdp = armv7a->arm.dap;
 	uint8_t apsel = swjdp->apsel;
 	if (apsel == swjdp_memoryap)
 	{
diff --git a/src/target/cortex_a.h b/src/target/cortex_a.h
index 17e44e2..e736857 100644
--- a/src/target/cortex_a.h
+++ b/src/target/cortex_a.h
@@ -85,7 +85,7 @@ static inline struct cortex_a8_common *
 target_to_cortex_a8(struct target *target)
 {
 	return container_of(target->arch_info, struct cortex_a8_common,
-			armv7a_common.armv4_5_common);
+			armv7a_common.arm);
 }
 
 #endif /* CORTEX_A8_H */
diff --git a/src/target/feroceon.c b/src/target/feroceon.c
index 9bd45be..3617b2b 100644
--- a/src/target/feroceon.c
+++ b/src/target/feroceon.c
@@ -61,8 +61,8 @@
 
 static int feroceon_assert_reset(struct target *target)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	int ud = arm7_9->use_dbgrq;
 
 	arm7_9->use_dbgrq = 0;
@@ -115,8 +115,8 @@ static int feroceon_dummy_clock_out(struct arm_jtag *jtag_info, uint32_t instr)
 static void feroceon_change_to_arm(struct target *target, uint32_t *r0,
 		uint32_t *pc)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	/*
@@ -163,8 +163,8 @@ static void feroceon_read_core_regs(struct target *target,
 		uint32_t mask, uint32_t* core_regs[16])
 {
 	int i;
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_STMIA(0, mask & 0xffff, 0, 0), 0, NULL, 0);
@@ -183,8 +183,8 @@ static void feroceon_read_core_regs_target_buffer(struct target *target,
 		uint32_t mask, void* buffer, int size)
 {
 	int i;
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 	int be = (target->endianness == TARGET_BIG_ENDIAN) ? 1 : 0;
 	uint32_t *buf_u32 = buffer;
@@ -219,8 +219,8 @@ static void feroceon_read_core_regs_target_buffer(struct target *target,
 
 static void feroceon_read_xpsr(struct target *target, uint32_t *xpsr, int spsr)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_MRS(0, spsr & 1), 0, NULL, 0);
@@ -242,8 +242,8 @@ static void feroceon_read_xpsr(struct target *target, uint32_t *xpsr, int spsr)
 
 static void feroceon_write_xpsr(struct target *target, uint32_t xpsr, int spsr)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	LOG_DEBUG("xpsr: %8.8" PRIx32 ", spsr: %i", xpsr, spsr);
@@ -284,8 +284,8 @@ static void feroceon_write_xpsr(struct target *target, uint32_t xpsr, int spsr)
 static void feroceon_write_xpsr_im8(struct target *target,
 		uint8_t xpsr_im, int rot, int spsr)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
@@ -303,8 +303,8 @@ static void feroceon_write_core_regs(struct target *target,
 		uint32_t mask, uint32_t core_regs[16])
 {
 	int i;
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 0), 0, NULL, 0);
@@ -322,8 +322,8 @@ static void feroceon_write_core_regs(struct target *target,
 
 static void feroceon_branch_resume(struct target *target)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
@@ -339,11 +339,11 @@ static void feroceon_branch_resume_thumb(struct target *target)
 {
 	LOG_DEBUG("-");
 
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
-	uint32_t r0 = buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32);
-	uint32_t pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	uint32_t r0 = buf_get_u32(arm->core_cache->reg_list[0].value, 0, 32);
+	uint32_t pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
@@ -373,8 +373,8 @@ static void feroceon_branch_resume_thumb(struct target *target)
 static int feroceon_read_cp15(struct target *target, uint32_t op1,
 		uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 	int err;
 
@@ -396,8 +396,8 @@ static int feroceon_read_cp15(struct target *target, uint32_t op1,
 static int feroceon_write_cp15(struct target *target, uint32_t op1,
 		uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct arm_jtag *jtag_info = &arm7_9->jtag_info;
 
 	arm9tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, 1, 0, 0), 0, NULL, 0);
@@ -415,8 +415,8 @@ static int feroceon_write_cp15(struct target *target, uint32_t op1,
 
 static void feroceon_set_dbgrq(struct target *target)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 	struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
 
 	buf_set_u32(dbg_ctrl->value, 0, 8, 2);
@@ -425,8 +425,8 @@ static void feroceon_set_dbgrq(struct target *target)
 
 static void feroceon_enable_single_step(struct target *target, uint32_t next_pc)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 
 	/* set a breakpoint there */
 	embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_VALUE], next_pc);
@@ -438,8 +438,8 @@ static void feroceon_enable_single_step(struct target *target, uint32_t next_pc)
 
 static void feroceon_disable_single_step(struct target *target)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 
 	embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_VALUE]);
 	embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK]);
@@ -463,9 +463,9 @@ static int feroceon_bulk_write_memory(struct target *target,
 		uint32_t address, uint32_t count, const uint8_t *buffer)
 {
 	int retval;
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
-	enum arm_state core_state = armv4_5->core_state;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
+	enum arm_state core_state = arm->core_state;
 	uint32_t x, flip, shift, save[7];
 	uint32_t i;
 
@@ -527,14 +527,14 @@ static int feroceon_bulk_write_memory(struct target *target,
 
 	/* backup clobbered processor state */
 	for (i = 0; i <= 5; i++)
-		save[i] = buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32);
-	save[i] = buf_get_u32(armv4_5->pc->value, 0, 32);
+		save[i] = buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32);
+	save[i] = buf_get_u32(arm->pc->value, 0, 32);
 
 	/* set up target address in r0 */
-	buf_set_u32(armv4_5->core_cache->reg_list[0].value, 0, 32, address);
-	armv4_5->core_cache->reg_list[0].valid = 1;
-	armv4_5->core_cache->reg_list[0].dirty = 1;
-	armv4_5->core_state = ARM_STATE_ARM;
+	buf_set_u32(arm->core_cache->reg_list[0].value, 0, 32, address);
+	arm->core_cache->reg_list[0].valid = 1;
+	arm->core_cache->reg_list[0].dirty = 1;
+	arm->core_state = ARM_STATE_ARM;
 
 	embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], 0);
 	arm7_9_resume(target, 0, arm7_9->dcc_working_area->address, 1, 1);
@@ -564,7 +564,7 @@ static int feroceon_bulk_write_memory(struct target *target,
 		retval = target_wait_state(target, TARGET_HALTED, 500);
 	if (retval == ERROR_OK) {
                 uint32_t endaddress =
-			buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32);
+			buf_get_u32(arm->core_cache->reg_list[0].value, 0, 32);
 		if (endaddress != address + count*4) {
 			LOG_ERROR("DCC write failed,"
 				" expected end address 0x%08" PRIx32
@@ -577,14 +577,14 @@ static int feroceon_bulk_write_memory(struct target *target,
 	/* restore target state */
 	for (i = 0; i <= 5; i++)
 	{
-		buf_set_u32(armv4_5->core_cache->reg_list[i].value, 0, 32, save[i]);
-		armv4_5->core_cache->reg_list[i].valid = 1;
-		armv4_5->core_cache->reg_list[i].dirty = 1;
+		buf_set_u32(arm->core_cache->reg_list[i].value, 0, 32, save[i]);
+		arm->core_cache->reg_list[i].valid = 1;
+		arm->core_cache->reg_list[i].dirty = 1;
 	}
-	buf_set_u32(armv4_5->pc->value, 0, 32, save[i]);
-	armv4_5->pc->valid = 1;
-	armv4_5->pc->dirty = 1;
-	armv4_5->core_state = core_state;
+	buf_set_u32(arm->pc->value, 0, 32, save[i]);
+	arm->pc->valid = 1;
+	arm->pc->dirty = 1;
+	arm->core_state = core_state;
 
 	return retval;
 }
@@ -598,8 +598,8 @@ static int feroceon_init_target(struct command_context *cmd_ctx,
 
 static void feroceon_common_setup(struct target *target)
 {
-	struct arm *armv4_5 = target->arch_info;
-	struct arm7_9_common *arm7_9 = armv4_5->arch_info;
+	struct arm *arm = target->arch_info;
+	struct arm7_9_common *arm7_9 = arm->arch_info;
 
 	/* override some insn sequence functions */
 	arm7_9->change_to_arm = feroceon_change_to_arm;
@@ -655,7 +655,7 @@ static int dragonite_target_create(struct target *target, Jim_Interp *interp)
 
 static int feroceon_examine(struct target *target)
 {
-	struct arm *armv4_5;
+	struct arm *arm;
 	struct arm7_9_common *arm7_9;
 	int retval;
 
@@ -663,8 +663,8 @@ static int feroceon_examine(struct target *target)
 	if (retval != ERROR_OK)
 		return retval;
 
-	armv4_5 = target->arch_info;
-	arm7_9 = armv4_5->arch_info;
+	arm = target->arch_info;
+	arm7_9 = arm->arch_info;
 
 	/* the COMMS_CTRL bits are all contiguous */
 	if (buf_get_u32(arm7_9->eice_cache->reg_list[EICE_COMMS_CTRL].value, 2, 4) != 6)
diff --git a/src/target/xscale.c b/src/target/xscale.c
index 5ea5071..6f00aea 100644
--- a/src/target/xscale.c
+++ b/src/target/xscale.c
@@ -825,7 +825,7 @@ static int xscale_update_vectors(struct target *target)
 static int xscale_arch_state(struct target *target)
 {
 	struct xscale_common *xscale = target_to_xscale(target);
-	struct arm *armv4_5 = &xscale->armv4_5_common;
+	struct arm *arm = &xscale->arm;
 
 	static const char *state[] =
 	{
@@ -837,7 +837,7 @@ static int xscale_arch_state(struct target *target)
 		"", "\n(processor reset)", "\n(trace buffer full)"
 	};
 
-	if (armv4_5->common_magic != ARM_COMMON_MAGIC)
+	if (arm->common_magic != ARM_COMMON_MAGIC)
 	{
 		LOG_ERROR("BUG: called for a non-ARMv4/5 target");
 		return ERROR_COMMAND_SYNTAX_ERROR;
@@ -896,7 +896,7 @@ static int xscale_poll(struct target *target)
 static int xscale_debug_entry(struct target *target)
 {
 	struct xscale_common *xscale = target_to_xscale(target);
-	struct arm *armv4_5 = &xscale->armv4_5_common;
+	struct arm *arm = &xscale->arm;
 	uint32_t pc;
 	uint32_t buffer[10];
 	unsigned i;
@@ -913,44 +913,44 @@ static int xscale_debug_entry(struct target *target)
 		return retval;
 
 	/* move r0 from buffer to register cache */
-	buf_set_u32(armv4_5->core_cache->reg_list[0].value, 0, 32, buffer[0]);
-	armv4_5->core_cache->reg_list[0].dirty = 1;
-	armv4_5->core_cache->reg_list[0].valid = 1;
+	buf_set_u32(arm->core_cache->reg_list[0].value, 0, 32, buffer[0]);
+	arm->core_cache->reg_list[0].dirty = 1;
+	arm->core_cache->reg_list[0].valid = 1;
 	LOG_DEBUG("r0: 0x%8.8" PRIx32 "", buffer[0]);
 
 	/* move pc from buffer to register cache */
-	buf_set_u32(armv4_5->pc->value, 0, 32, buffer[1]);
-	armv4_5->pc->dirty = 1;
-	armv4_5->pc->valid = 1;
+	buf_set_u32(arm->pc->value, 0, 32, buffer[1]);
+	arm->pc->dirty = 1;
+	arm->pc->valid = 1;
 	LOG_DEBUG("pc: 0x%8.8" PRIx32 "", buffer[1]);
 
 	/* move data from buffer to register cache */
 	for (i = 1; i <= 7; i++)
 	{
-		buf_set_u32(armv4_5->core_cache->reg_list[i].value, 0, 32, buffer[1 + i]);
-		armv4_5->core_cache->reg_list[i].dirty = 1;
-		armv4_5->core_cache->reg_list[i].valid = 1;
+		buf_set_u32(arm->core_cache->reg_list[i].value, 0, 32, buffer[1 + i]);
+		arm->core_cache->reg_list[i].dirty = 1;
+		arm->core_cache->reg_list[i].valid = 1;
 		LOG_DEBUG("r%i: 0x%8.8" PRIx32 "", i, buffer[i + 1]);
 	}
 
-	arm_set_cpsr(armv4_5, buffer[9]);
+	arm_set_cpsr(arm, buffer[9]);
 	LOG_DEBUG("cpsr: 0x%8.8" PRIx32 "", buffer[9]);
 
-	if (!is_arm_mode(armv4_5->core_mode))
+	if (!is_arm_mode(arm->core_mode))
 	{
 		target->state = TARGET_UNKNOWN;
 		LOG_ERROR("cpsr contains invalid mode value - communication failure");
 		return ERROR_TARGET_FAILURE;
 	}
 	LOG_DEBUG("target entered debug state in %s mode",
-			 arm_mode_name(armv4_5->core_mode));
+			 arm_mode_name(arm->core_mode));
 
 	/* get banked registers, r8 to r14, and spsr if not in USR/SYS mode */
-	if (armv4_5->spsr) {
+	if (arm->spsr) {
 		xscale_receive(target, buffer, 8);
-		buf_set_u32(armv4_5->spsr->value, 0, 32, buffer[7]);
-		armv4_5->spsr->dirty = false;
-		armv4_5->spsr->valid = true;
+		buf_set_u32(arm->spsr->value, 0, 32, buffer[7]);
+		arm->spsr->dirty = false;
+		arm->spsr->valid = true;
 	}
 	else
 	{
@@ -961,7 +961,7 @@ static int xscale_debug_entry(struct target *target)
 	/* move data from buffer to right banked register in cache */
 	for (i = 8; i <= 14; i++)
 	{
-		struct reg *r = arm_reg_current(armv4_5, i);
+		struct reg *r = arm_reg_current(arm, i);
 
 		buf_set_u32(r->value, 0, 32, buffer[i - 8]);
 		r->dirty = false;
@@ -978,7 +978,7 @@ static int xscale_debug_entry(struct target *target)
 	moe = buf_get_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 2, 3);
 
 	/* stored PC (for calculating fixup) */
-	pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	switch (moe)
 	{
@@ -1025,7 +1025,7 @@ static int xscale_debug_entry(struct target *target)
 	}
 
 	/* apply PC fixup */
-	buf_set_u32(armv4_5->pc->value, 0, 32, pc);
+	buf_set_u32(arm->pc->value, 0, 32, pc);
 
 	/* on the first debug entry, identify cache type */
 	if (xscale->armv4_5_mmu.armv4_5_cache.ctype == -1)
@@ -1183,7 +1183,7 @@ static int xscale_resume(struct target *target, int current,
 		uint32_t address, int handle_breakpoints, int debug_execution)
 {
 	struct xscale_common *xscale = target_to_xscale(target);
-	struct arm *armv4_5 = &xscale->armv4_5_common;
+	struct arm *arm = &xscale->arm;
 	uint32_t current_pc;
 	int retval;
 	int i;
@@ -1207,15 +1207,15 @@ static int xscale_resume(struct target *target, int current,
 
 	/* current = 1: continue on current pc, otherwise continue at <address> */
 	if (!current)
-		buf_set_u32(armv4_5->pc->value, 0, 32, address);
+		buf_set_u32(arm->pc->value, 0, 32, address);
 
-	current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	current_pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	/* if we're at the reset vector, we have to simulate the branch */
 	if (current_pc == 0x0)
 	{
 		arm_simulate_step(target, NULL);
-		current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+		current_pc = buf_get_u32(arm->pc->value, 0, 32);
 	}
 
 	/* the front-end may request us not to handle breakpoints */
@@ -1223,7 +1223,7 @@ static int xscale_resume(struct target *target, int current,
 	{
 		struct breakpoint *breakpoint;
 		breakpoint = breakpoint_find(target,
-				buf_get_u32(armv4_5->pc->value, 0, 32));
+				buf_get_u32(arm->pc->value, 0, 32));
 		if (breakpoint != NULL)
 		{
 			uint32_t next_pc;
@@ -1254,22 +1254,23 @@ static int xscale_resume(struct target *target, int current,
 
 			/* send CPSR */
 			xscale_send_u32(target,
-				buf_get_u32(armv4_5->cpsr->value, 0, 32));
+				buf_get_u32(arm->cpsr->value, 0, 32));
 			LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32,
-				buf_get_u32(armv4_5->cpsr->value, 0, 32));
+				buf_get_u32(arm->cpsr->value, 0, 32));
 
 			for (i = 7; i >= 0; i--)
 			{
 				/* send register */
-				xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32));
-				LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32));
+				xscale_send_u32(target, buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32));
+				LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "",
+						i, buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32));
 			}
 
 			/* send PC */
 			xscale_send_u32(target,
-					buf_get_u32(armv4_5->pc->value, 0, 32));
+					buf_get_u32(arm->pc->value, 0, 32));
 			LOG_DEBUG("writing PC with value 0x%8.8" PRIx32,
-					buf_get_u32(armv4_5->pc->value, 0, 32));
+					buf_get_u32(arm->pc->value, 0, 32));
 
 			/* disable trace data collection in xscale_debug_entry() */
 			saved_trace_mode = xscale->trace.mode;
@@ -1322,28 +1323,29 @@ static int xscale_resume(struct target *target, int current,
 		xscale_send_u32(target, 0x30);
 
 	/* send CPSR */
-	xscale_send_u32(target, buf_get_u32(armv4_5->cpsr->value, 0, 32));
+	xscale_send_u32(target, buf_get_u32(arm->cpsr->value, 0, 32));
 	LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32,
-			buf_get_u32(armv4_5->cpsr->value, 0, 32));
+			buf_get_u32(arm->cpsr->value, 0, 32));
 
 	for (i = 7; i >= 0; i--)
 	{
 		/* send register */
-		xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32));
-		LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32));
+		xscale_send_u32(target, buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32));
+		LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "",
+				i, buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32));
 	}
 
 	/* send PC */
-	xscale_send_u32(target, buf_get_u32(armv4_5->pc->value, 0, 32));
+	xscale_send_u32(target, buf_get_u32(arm->pc->value, 0, 32));
 	LOG_DEBUG("wrote PC with value 0x%8.8" PRIx32,
-			buf_get_u32(armv4_5->pc->value, 0, 32));
+			buf_get_u32(arm->pc->value, 0, 32));
 
 	target->debug_reason = DBG_REASON_NOTHALTED;
 
 	if (!debug_execution)
 	{
 		/* registers are now invalid */
-		register_cache_invalidate(armv4_5->core_cache);
+		register_cache_invalidate(arm->core_cache);
 		target->state = TARGET_RUNNING;
 		target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
 	}
@@ -1362,7 +1364,7 @@ static int xscale_step_inner(struct target *target, int current,
 		uint32_t address, int handle_breakpoints)
 {
 	struct xscale_common *xscale = target_to_xscale(target);
-	struct arm *armv4_5 = &xscale->armv4_5_common;
+	struct arm *arm = &xscale->arm;
 	uint32_t next_pc;
 	int retval;
 	int i;
@@ -1373,7 +1375,7 @@ static int xscale_step_inner(struct target *target, int current,
 	if ((retval = arm_simulate_step(target, &next_pc)) != ERROR_OK)
 	{
 		uint32_t current_opcode, current_pc;
-		current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+		current_pc = buf_get_u32(arm->pc->value, 0, 32);
 
 		target_read_u32(target, current_pc, &current_opcode);
 		LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode);
@@ -1403,32 +1405,34 @@ static int xscale_step_inner(struct target *target, int current,
 
 	/* send CPSR */
 	retval = xscale_send_u32(target,
-			buf_get_u32(armv4_5->cpsr->value, 0, 32));
+			buf_get_u32(arm->cpsr->value, 0, 32));
 	if (retval != ERROR_OK)
 		return retval;
 	LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32,
-			buf_get_u32(armv4_5->cpsr->value, 0, 32));
+			buf_get_u32(arm->cpsr->value, 0, 32));
 
-	for (i = 7; i >= 0; i--)
-	{
+	for (i = 7; i >= 0; i--) {
 		/* send register */
-		if ((retval = xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32))) != ERROR_OK)
+		retval = xscale_send_u32(target,
+				buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32));
+		if (retval != ERROR_OK)
 			return retval;
-		LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32));
+		LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i,
+				buf_get_u32(arm->core_cache->reg_list[i].value, 0, 32));
 	}
 
 	/* send PC */
 	retval = xscale_send_u32(target,
-			buf_get_u32(armv4_5->pc->value, 0, 32));
+			buf_get_u32(arm->pc->value, 0, 32));
 	if (retval != ERROR_OK)
 		return retval;
 	LOG_DEBUG("wrote PC with value 0x%8.8" PRIx32,
-			buf_get_u32(armv4_5->pc->value, 0, 32));
+			buf_get_u32(arm->pc->value, 0, 32));
 
 	target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
 
 	/* registers are now invalid */
-	register_cache_invalidate(armv4_5->core_cache);
+	register_cache_invalidate(arm->core_cache);
 
 	/* wait for and process debug entry */
 	if ((retval = xscale_debug_entry(target)) != ERROR_OK)
@@ -1446,7 +1450,7 @@ static int xscale_step_inner(struct target *target, int current,
 static int xscale_step(struct target *target, int current,
 		uint32_t address, int handle_breakpoints)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 	struct breakpoint *breakpoint = NULL;
 
 	uint32_t current_pc;
@@ -1460,16 +1464,16 @@ static int xscale_step(struct target *target, int current,
 
 	/* current = 1: continue on current pc, otherwise continue at <address> */
 	if (!current)
-		buf_set_u32(armv4_5->pc->value, 0, 32, address);
+		buf_set_u32(arm->pc->value, 0, 32, address);
 
-	current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+	current_pc = buf_get_u32(arm->pc->value, 0, 32);
 
 	/* if we're at the reset vector, we have to simulate the step */
 	if (current_pc == 0x0)
 	{
 		if ((retval = arm_simulate_step(target, NULL)) != ERROR_OK)
 			return retval;
-		current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
+		current_pc = buf_get_u32(arm->pc->value, 0, 32);
 		LOG_DEBUG("current pc %" PRIx32, current_pc);
 
 		target->debug_reason = DBG_REASON_SINGLESTEP;
@@ -1481,7 +1485,7 @@ static int xscale_step(struct target *target, int current,
 	/* the front-end may request us not to handle breakpoints */
 	if (handle_breakpoints)
 		breakpoint = breakpoint_find(target,
-				buf_get_u32(armv4_5->pc->value, 0, 32));
+				buf_get_u32(arm->pc->value, 0, 32));
 	if (breakpoint != NULL) {
 		retval = xscale_unset_breakpoint(target, breakpoint);
 		if (retval != ERROR_OK)
@@ -1573,7 +1577,7 @@ static int xscale_deassert_reset(struct target *target)
 	xscale->trace.mode = XSCALE_TRACE_DISABLED;
 	xscale_free_trace_data(xscale);
 
-	register_cache_invalidate(xscale->armv4_5_common.core_cache);
+	register_cache_invalidate(xscale->arm.core_cache);
 
 	/* FIXME mark hardware watchpoints got unset too.  Also,
 	 * at least some of the XScale registers are invalid...
@@ -1700,7 +1704,7 @@ static int xscale_write_core_reg(struct target *target, struct reg *r,
 
 static int xscale_full_context(struct target *target)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
 	uint32_t *buffer;
 
@@ -1733,7 +1737,7 @@ static int xscale_full_context(struct target *target)
 		 */
 		for (j = 0; valid && j <= 16; j++)
 		{
-			if (!ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			if (!ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, j).valid)
 				valid = false;
 		}
@@ -1751,7 +1755,7 @@ static int xscale_full_context(struct target *target)
 		 */
 		if (mode != ARM_MODE_SYS) {
 			/* SPSR */
-			r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			r = &ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, 16);
 
 			xscale_receive(target, buffer, 8);
@@ -1766,7 +1770,7 @@ static int xscale_full_context(struct target *target)
 		/* move data from buffer to register cache */
 		for (j = 8; j <= 14; j++)
 		{
-			r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			r = &ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, j);
 
 			buf_set_u32(r->value, 0, 32, buffer[j - 8]);
@@ -1782,7 +1786,7 @@ static int xscale_full_context(struct target *target)
 
 static int xscale_restore_banked(struct target *target)
 {
-	struct arm *armv4_5 = target_to_arm(target);
+	struct arm *arm = target_to_arm(target);
 
 	int i, j;
 
@@ -1808,7 +1812,7 @@ static int xscale_restore_banked(struct target *target)
 		/* check if there are dirty registers in this mode */
 		for (j = 8; j <= 14; j++)
 		{
-			if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			if (ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, j).dirty)
 				goto dirty;
 		}
@@ -1816,7 +1820,7 @@ static int xscale_restore_banked(struct target *target)
 		/* if not USR/SYS, check if the SPSR needs to be written */
 		if (mode != ARM_MODE_SYS)
 		{
-			if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			if (ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, 16).dirty)
 				goto dirty;
 		}
@@ -1835,7 +1839,7 @@ dirty:
 		 * but this protocol doesn't understand that nuance.
 		 */
 		for (j = 8; j <= 14; j++) {
-			r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			r = &ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, j);
 			xscale_send_u32(target, buf_get_u32(r->value, 0, 32));
 			r->dirty = false;
@@ -1843,7 +1847,7 @@ dirty:
 
 		/* send spsr if not in USR/SYS mode */
 		if (mode != ARM_MODE_SYS) {
-			r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+			r = &ARMV4_5_CORE_REG_MODE(arm->core_cache,
 					mode, 16);
 			xscale_send_u32(target, buf_get_u32(r->value, 0, 32));
 			r->dirty = false;
@@ -2629,7 +2633,7 @@ static int xscale_write_dcsr_sw(struct target *target, uint32_t value)
 static int xscale_read_trace(struct target *target)
 {
 	struct xscale_common *xscale = target_to_xscale(target);
-	struct arm *armv4_5 = &xscale->armv4_5_common;
+	struct arm *arm = &xscale->arm;
 	struct xscale_trace_data **trace_data_p;
 
 	/* 258 words from debug handler
@@ -2710,7 +2714,7 @@ static int xscale_read_trace(struct target *target)
 	(*trace_data_p)->chkpt0 = trace_buffer[256];
 	(*trace_data_p)->chkpt1 = trace_buffer[257];
 	(*trace_data_p)->last_instruction =
-			buf_get_u32(armv4_5->pc->value, 0, 32);
+			buf_get_u32(arm->pc->value, 0, 32);
 	(*trace_data_p)->entries = malloc(sizeof(struct xscale_trace_entry) * (256 - j));
 	(*trace_data_p)->depth = 256 - j;
 	(*trace_data_p)->num_checkpoints = num_checkpoints;
@@ -3030,13 +3034,13 @@ static const struct reg_arch_type xscale_reg_type = {
 static void xscale_build_reg_cache(struct target *target)
 {
 	struct xscale_common *xscale = target_to_xscale(target);
-	struct arm *armv4_5 = &xscale->armv4_5_common;
+	struct arm *arm = &xscale->arm;
 	struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
 	struct xscale_reg *arch_info = malloc(sizeof(xscale_reg_arch_info));
 	int i;
 	int num_regs = ARRAY_SIZE(xscale_reg_arch_info);
 
-	(*cache_p) = arm_build_reg_cache(target, armv4_5);
+	(*cache_p) = arm_build_reg_cache(target, arm);
 
 	(*cache_p)->next = malloc(sizeof(struct reg_cache));
 	cache_p = &(*cache_p)->next;
@@ -3073,11 +3077,11 @@ static int xscale_init_target(struct command_context *cmd_ctx,
 static int xscale_init_arch_info(struct target *target,
 		struct xscale_common *xscale, struct jtag_tap *tap, const char *variant)
 {
-	struct arm *armv4_5;
+	struct arm *arm;
 	uint32_t high_reset_branch, low_reset_branch;
 	int i;
 
-	armv4_5 = &xscale->armv4_5_common;
+	arm = &xscale->arm;
 
 	/* store architecture specfic data */
 	xscale->common_magic = XSCALE_COMMON_MAGIC;
@@ -3167,12 +3171,12 @@ static int xscale_init_arch_info(struct target *target,
 	xscale->trace.fill_counter = 0;
 
 	/* prepare ARMv4/5 specific information */
-	armv4_5->arch_info = xscale;
-	armv4_5->read_core_reg = xscale_read_core_reg;
-	armv4_5->write_core_reg = xscale_write_core_reg;
-	armv4_5->full_context = xscale_full_context;
+	arm->arch_info = xscale;
+	arm->read_core_reg = xscale_read_core_reg;
+	arm->write_core_reg = xscale_write_core_reg;
+	arm->full_context = xscale_full_context;
 
-	arm_init_arch_info(target, armv4_5);
+	arm_init_arch_info(target, arm);
 
 	xscale->armv4_5_mmu.armv4_5_cache.ctype = -1;
 	xscale->armv4_5_mmu.get_ttb = xscale_get_ttb;
diff --git a/src/target/xscale.h b/src/target/xscale.h
index e480da9..49d4c71 100644
--- a/src/target/xscale.h
+++ b/src/target/xscale.h
@@ -91,7 +91,7 @@ struct xscale_trace
 struct xscale_common
 {
 	/* armv4/5 common stuff */
-	struct arm armv4_5_common;
+	struct arm arm;
 
 	int common_magic;
 
@@ -148,7 +148,7 @@ static inline struct xscale_common *
 target_to_xscale(struct target *target)
 {
 	return container_of(target->arch_info, struct xscale_common,
-			armv4_5_common);
+			arm);
 }
 
 struct xscale_reg