From 2ce5ca9f0ea5a4cbb7e826f74e3f826de65bcc36 Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Sat, 1 Mar 2008 18:10:26 +0000
Subject: [PATCH] backed out jtag_add_shift()

git-svn-id: svn://svn.berlios.de/openocd/trunk@421 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
 src/target/arm7_9_common.c | 25 ++++--------------------
 src/target/embeddedice.c   | 40 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 22 deletions(-)

diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c
index 3c995a235..dd713b9b9 100644
--- a/src/target/arm7_9_common.c
+++ b/src/target/arm7_9_common.c
@@ -2164,28 +2164,11 @@ int arm7_9_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffe
 	armv4_5->core_state = ARMV4_5_STATE_ARM;
 
 	arm7_9_resume(target, 0, arm7_9->dcc_working_area->address, 1, 1);
-
-	int little=target->endianness==TARGET_LITTLE_ENDIAN;
-	if (count>2)
+	
+	for (i = 0; i < count; i++)
 	{
-		/* Handle first & last using standard embeddedice_write_reg and the middle ones w/the
-		   core function repeated. 
-		 */
-		embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], fast_target_buffer_get_u32(buffer, little));
-		buffer+=4;
-		for (i = 1; i < count - 1; i++)
-		{
-			embeddedice_write_reg_inner(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], fast_target_buffer_get_u32(buffer, little));
-			buffer += 4;
-		}
-		embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], fast_target_buffer_get_u32(buffer, little));
-	} else
-	{
-		for (i = 0; i < count; i++)
-		{
-			embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], fast_target_buffer_get_u32(buffer, little));
-			buffer += 4;
-		}
+		embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], target_buffer_get_u32(target, buffer));
+		buffer += 4;
 	}
 	
 	target->type->halt(target);
diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c
index 30258270d..333c1c46c 100644
--- a/src/target/embeddedice.c
+++ b/src/target/embeddedice.c
@@ -374,6 +374,11 @@ int embeddedice_set_reg_w_exec(reg_t *reg, u8 *buf)
 int embeddedice_write_reg(reg_t *reg, u32 value)
 {
 	embeddedice_reg_t *ice_reg = reg->arch_info;
+	u8 reg_addr = ice_reg->addr & 0x1f;
+	scan_field_t fields[3];
+	u8 field0_out[4];
+	u8 field1_out[1];
+	u8 field2_out[1];
 
 	DEBUG("%i: 0x%8.8x", ice_reg->addr, value);
 	
@@ -381,8 +386,41 @@ int embeddedice_write_reg(reg_t *reg, u32 value)
 	arm_jtag_scann(ice_reg->jtag_info, 0x2);
 	
 	arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL);
+	
+	fields[0].device = ice_reg->jtag_info->chain_pos;
+	fields[0].num_bits = 32;
+	fields[0].out_value = field0_out;
+	buf_set_u32(fields[0].out_value, 0, 32, value);
+	fields[0].out_mask = NULL;
+	fields[0].in_value = NULL;
+	fields[0].in_check_value = NULL;
+	fields[0].in_check_mask = NULL;
+	fields[0].in_handler = NULL;
+	fields[0].in_handler_priv = NULL;
+	
+	fields[1].device = ice_reg->jtag_info->chain_pos;
+	fields[1].num_bits = 5;
+	fields[1].out_value = field1_out;
+	buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
+	fields[1].out_mask = NULL;
+	fields[1].in_value = NULL;
+	fields[1].in_check_value = NULL;
+	fields[1].in_check_mask = NULL;
+	fields[1].in_handler = NULL;
+	fields[1].in_handler_priv = NULL;
 
-	embeddedice_write_reg_inner(reg, value);
+	fields[2].device = ice_reg->jtag_info->chain_pos;
+	fields[2].num_bits = 1;
+	fields[2].out_value = field2_out;
+	buf_set_u32(fields[2].out_value, 0, 1, 1);
+	fields[2].out_mask = NULL;
+	fields[2].in_value = NULL;
+	fields[2].in_check_value = NULL;
+	fields[2].in_check_mask = NULL;
+	fields[2].in_handler = NULL;
+	fields[2].in_handler_priv = NULL;
+	
+	jtag_add_dr_scan(3, fields, -1);
 	
 	return ERROR_OK;
 }