jtag/vdebug: adding xtensa config

This change adds the extensa sample target and board configurations.
it removes the obsoleted vd_xtensa_jtag.cfg from targets.

Change-Id: I9d4d25abde46c0b15e5211a973012447872cb405
Signed-off-by: Jacek Wuwer <jacekmw8@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7723
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins

3 files changed, 194 insertions, 27 deletions

diff --git a/tcl/board/vd_xt8_jtag.cfg b/tcl/board/vd_xt8_jtag.cfg
new file mode 100644
index 0000000..867b9e7
--- /dev/null
+++ b/tcl/board/vd_xt8_jtag.cfg
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Cadence virtual debug interface
+# Xtensa xt8 through JTAG
+
+source [find interface/vdebug.cfg]
+
+set CHIPNAME xt8
+set CPUTAPID 0x120034e5
+
+# vdebug select transport
+transport select jtag
+
+# JTAG reset config, frequency and reset delay
+reset_config trst_and_srst
+adapter speed 50000
+adapter srst delay 5
+
+# BFM hierarchical path and input clk period
+vdebug bfm_path Testbench.u_vd_jtag_bfm 10ns
+
+# DMA Memories to access backdoor, the values come from generated xtensa-core-xt8.cfg
+#vdebug mem_path Testbench.Xtsubsystem.Core0.iram0.iram0.mem.dataArray 0x40000000 0x100000
+#vdebug mem_path Testbench.Xtsubsystem.Core0.dram0.dram0.mem.dataArray 0x3ff00000 0x40000
+
+# Create Xtensa target first
+source [find target/xtensa.cfg]
+# Generate [xtensa-core-XXX.cfg] via "xt-gdb --dump-oocd-config"
+source  [find target/xtensa-core-xt8.cfg]
diff --git a/tcl/target/vd_xtensa_jtag.cfg b/tcl/target/vd_xtensa_jtag.cfg
deleted file mode 100644
index 88f5bcc..0000000
--- a/tcl/target/vd_xtensa_jtag.cfg
+++ /dev/null
@@ -1,27 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-# Cadence virtual debug interface
-# for Palladium emulation systems
-#
-
-# TODO: Enable backdoor memory access
-# set _MEMSTART 0x00000000
-# set _MEMSIZE 0x100000
-
-# BFM hierarchical path and input clk period
-vdebug bfm_path dut_top.JTAG 10ns
-# DMA Memories to access backdoor (up to 4)
-# vdebug mem_path tbench.u_mcu.u_sys.u_itcm_ram.Mem $_MEMSTART $_MEMSIZE
-
-# Create Xtensa target first
-source [find target/xtensa.cfg]
-
-# Configure Xtensa core parameters next
-# Generate [xtensa-core-XXX.cfg] via "xt-gdb --dump-oocd-config"
-
-# register target
-proc vdebug_examine_end {} {
-#    vdebug register_target
-}
-
-# Default hooks
-$_TARGETNAME configure -event examine-end { vdebug_examine_end }
diff --git a/tcl/target/xtensa-core-xt8.cfg b/tcl/target/xtensa-core-xt8.cfg
new file mode 100644
index 0000000..e544d78
--- /dev/null
+++ b/tcl/target/xtensa-core-xt8.cfg
@@ -0,0 +1,166 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# OpenOCD configuration file for Xtensa xt8 target
+
+#  Core definition and ABI
+xtensa xtdef	LX
+xtensa xtopt	arnum           	32
+xtensa xtopt	windowed        	1
+
+
+#  Exception/Interrupt Options
+xtensa xtopt	exceptions      	1
+xtensa xtopt	hipriints       	1
+xtensa xtopt	intlevels       	3
+xtensa xtopt	excmlevel       	1
+
+
+#  Cache Options
+xtensa xtmem	icache          	16	1024	1
+xtensa xtmem	dcache          	16	1024	1	1
+
+
+#  Memory Options
+xtensa xtmem	iram            	0x40000000	1048576
+xtensa xtmem	dram            	0x3ff00000	262144
+xtensa xtmem	srom            	0x50000000	131072
+xtensa xtmem	sram            	0x60000000	4194304
+
+
+#  Memory Protection/Translation Options
+
+
+#  Debug Options
+xtensa xtopt	debuglevel      	3
+xtensa xtopt	ibreaknum       	2
+xtensa xtopt	dbreaknum       	2
+
+
+#  Core Registers
+xtensa xtregs	127
+xtensa xtreg	a0              	0x0000
+xtensa xtreg	a1              	0x0001
+xtensa xtreg	a2              	0x0002
+xtensa xtreg	a3              	0x0003
+xtensa xtreg	a4              	0x0004
+xtensa xtreg	a5              	0x0005
+xtensa xtreg	a6              	0x0006
+xtensa xtreg	a7              	0x0007
+xtensa xtreg	a8              	0x0008
+xtensa xtreg	a9              	0x0009
+xtensa xtreg	a10             	0x000a
+xtensa xtreg	a11             	0x000b
+xtensa xtreg	a12             	0x000c
+xtensa xtreg	a13             	0x000d
+xtensa xtreg	a14             	0x000e
+xtensa xtreg	a15             	0x000f
+xtensa xtreg	pc              	0x0020
+xtensa xtreg	ar0             	0x0100
+xtensa xtreg	ar1             	0x0101
+xtensa xtreg	ar2             	0x0102
+xtensa xtreg	ar3             	0x0103
+xtensa xtreg	ar4             	0x0104
+xtensa xtreg	ar5             	0x0105
+xtensa xtreg	ar6             	0x0106
+xtensa xtreg	ar7             	0x0107
+xtensa xtreg	ar8             	0x0108
+xtensa xtreg	ar9             	0x0109
+xtensa xtreg	ar10            	0x010a
+xtensa xtreg	ar11            	0x010b
+xtensa xtreg	ar12            	0x010c
+xtensa xtreg	ar13            	0x010d
+xtensa xtreg	ar14            	0x010e
+xtensa xtreg	ar15            	0x010f
+xtensa xtreg	ar16            	0x0110
+xtensa xtreg	ar17            	0x0111
+xtensa xtreg	ar18            	0x0112
+xtensa xtreg	ar19            	0x0113
+xtensa xtreg	ar20            	0x0114
+xtensa xtreg	ar21            	0x0115
+xtensa xtreg	ar22            	0x0116
+xtensa xtreg	ar23            	0x0117
+xtensa xtreg	ar24            	0x0118
+xtensa xtreg	ar25            	0x0119
+xtensa xtreg	ar26            	0x011a
+xtensa xtreg	ar27            	0x011b
+xtensa xtreg	ar28            	0x011c
+xtensa xtreg	ar29            	0x011d
+xtensa xtreg	ar30            	0x011e
+xtensa xtreg	ar31            	0x011f
+xtensa xtreg	lbeg            	0x0200
+xtensa xtreg	lend            	0x0201
+xtensa xtreg	lcount          	0x0202
+xtensa xtreg	sar             	0x0203
+xtensa xtreg	windowbase      	0x0248
+xtensa xtreg	windowstart     	0x0249
+xtensa xtreg	configid0       	0x02b0
+xtensa xtreg	configid1       	0x02d0
+xtensa xtreg	ps              	0x02e6
+xtensa xtreg	expstate        	0x03e6
+xtensa xtreg	mmid            	0x0259
+xtensa xtreg	ibreakenable    	0x0260
+xtensa xtreg	ddr             	0x0268
+xtensa xtreg	ibreaka0        	0x0280
+xtensa xtreg	ibreaka1        	0x0281
+xtensa xtreg	dbreaka0        	0x0290
+xtensa xtreg	dbreaka1        	0x0291
+xtensa xtreg	dbreakc0        	0x02a0
+xtensa xtreg	dbreakc1        	0x02a1
+xtensa xtreg	epc1            	0x02b1
+xtensa xtreg	epc2            	0x02b2
+xtensa xtreg	epc3            	0x02b3
+xtensa xtreg	depc            	0x02c0
+xtensa xtreg	eps2            	0x02c2
+xtensa xtreg	eps3            	0x02c3
+xtensa xtreg	excsave1        	0x02d1
+xtensa xtreg	excsave2        	0x02d2
+xtensa xtreg	excsave3        	0x02d3
+xtensa xtreg	interrupt       	0x02e2
+xtensa xtreg	intset          	0x02e2
+xtensa xtreg	intclear        	0x02e3
+xtensa xtreg	intenable       	0x02e4
+xtensa xtreg	exccause        	0x02e8
+xtensa xtreg	debugcause      	0x02e9
+xtensa xtreg	ccount          	0x02ea
+xtensa xtreg	icount          	0x02ec
+xtensa xtreg	icountlevel     	0x02ed
+xtensa xtreg	excvaddr        	0x02ee
+xtensa xtreg	ccompare0       	0x02f0
+xtensa xtreg	ccompare1       	0x02f1
+xtensa xtreg	pwrctl          	0x200f
+xtensa xtreg	pwrstat         	0x2010
+xtensa xtreg	eristat         	0x2011
+xtensa xtreg	cs_itctrl       	0x2012
+xtensa xtreg	cs_claimset     	0x2013
+xtensa xtreg	cs_claimclr     	0x2014
+xtensa xtreg	cs_lockaccess   	0x2015
+xtensa xtreg	cs_lockstatus   	0x2016
+xtensa xtreg	cs_authstatus   	0x2017
+xtensa xtreg	fault_info      	0x2026
+xtensa xtreg	trax_id         	0x2027
+xtensa xtreg	trax_control    	0x2028
+xtensa xtreg	trax_status     	0x2029
+xtensa xtreg	trax_data       	0x202a
+xtensa xtreg	trax_address    	0x202b
+xtensa xtreg	trax_pctrigger  	0x202c
+xtensa xtreg	trax_pcmatch    	0x202d
+xtensa xtreg	trax_delay      	0x202e
+xtensa xtreg	trax_memstart   	0x202f
+xtensa xtreg	trax_memend     	0x2030
+xtensa xtreg	pmg             	0x203e
+xtensa xtreg	pmpc            	0x203f
+xtensa xtreg	pm0             	0x2040
+xtensa xtreg	pm1             	0x2041
+xtensa xtreg	pmctrl0         	0x2042
+xtensa xtreg	pmctrl1         	0x2043
+xtensa xtreg	pmstat0         	0x2044
+xtensa xtreg	pmstat1         	0x2045
+xtensa xtreg	ocdid           	0x2046
+xtensa xtreg	ocd_dcrclr      	0x2047
+xtensa xtreg	ocd_dcrset      	0x2048
+xtensa xtreg	ocd_dsr         	0x2049
+xtensa xtreg	psintlevel      	0x2003
+xtensa xtreg	psum            	0x2004
+xtensa xtreg	pswoe           	0x2005
+xtensa xtreg	psexcm          	0x2006
+xtensa xtreg	pscallinc       	0x2007
+xtensa xtreg	psowb           	0x2008