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From ad...@apache.org
Subject [30/51] [partial] incubator-mynewt-site git commit: Fixed broken Quick Start link and added OpenOCD option for Arduino Primo debugging
Date Wed, 15 Jun 2016 22:05:51 GMT
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/pic32mx.s
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/pic32mx.s b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/pic32mx.s
new file mode 100755
index 0000000..9f41965
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/pic32mx.s
@@ -0,0 +1,132 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+	.text
+	.arch m4k
+	.set noreorder
+	.set noat
+
+/* params:
+ * $a0 src adr - ram + result
+ * $a1 dest adr - flash
+ * $a2 count (32bit words)
+ * vars
+ *
+ * temps:
+ * $t0, $t1, $t2, $t3, $t4, $t5
+ * $s0, $s1, $s3, $s4, $s5
+ */
+
+	.type main, @function
+	.global main
+
+.ent main
+main:
+	/* setup constants */
+	lui		$t0, 0xaa99
+	ori		$t0, 0x6655				/* NVMKEY1 */
+	lui		$t1, 0x5566
+	ori		$t1, 0x99AA				/* NVMKEY2 */
+	lui		$t2, 0xBF80
+	ori		$t2, 0xF400				/* NVMCON */
+	ori		$t3, $zero, 0x4003		/* NVMCON row write cmd */
+	ori		$t4, $zero, 0x8000		/* NVMCON start cmd */
+
+write_row:
+	/* can we perform a row write: 128 32bit words */
+	sltiu	$s3, $a2, 128
+	bne		$s3, $zero, write_word
+	ori		$t5, $zero, 0x4000		/* NVMCON clear cmd */
+
+	/* perform row write 512 bytes */
+	sw		$a1, 32($t2)	/* set NVMADDR with dest addr - real addr */
+	sw		$a0, 64($t2)	/* set NVMSRCADDR with src addr - real addr */
+
+	bal		progflash
+	addiu	$a0, $a0, 512
+	addiu	$a1, $a1, 512
+	beq		$zero, $zero, write_row
+	addiu	$a2, $a2, -128
+
+write_word:
+	/* write 32bit words */
+	lui		$s5, 0xa000
+	ori		$s5, 0x0000
+	or		$a0, $a0, $s5			/* convert to virtual addr */
+
+	beq		$zero, $zero, next_word
+	ori		$t3, $zero, 0x4001		/* NVMCON word write cmd */
+
+prog_word:
+	lw		$s4, 0($a0)		/* load data - from virtual addr */
+	sw		$s4, 48($t2)	/* set NVMDATA with data */
+	sw		$a1, 32($t2)	/* set NVMADDR with dest addr - real addr */
+
+	bal		progflash
+	addiu	$a0, $a0, 4
+	addiu	$a1, $a1, 4
+	addiu	$a2, $a2, -1
+next_word:
+	bne		$a2, $zero, prog_word
+	nop
+
+done:
+	beq		$zero, $zero, exit
+	addiu	$a0, $zero, 0
+
+error:
+	/* save result to $a0 */
+	addiu	$a0, $s1, 0
+
+exit:
+	sdbbp
+.end main
+
+	.type progflash, @function
+	.global progflash
+
+.ent progflash
+progflash:
+	sw		$t3, 0($t2)		/* set NVMWREN */
+	sw		$t0, 16($t2)	/* write NVMKEY1 */
+	sw		$t1, 16($t2)	/* write NVMKEY2 */
+	sw		$t4, 8($t2)		/* start operation */
+
+waitflash:
+	lw		$s0, 0($t2)
+	and		$s0, $s0, $t4
+	bne		$s0, $zero, waitflash
+	nop
+
+	/* following is to comply with errata #34
+	 * 500ns delay required */
+	nop
+	nop
+	nop
+	nop
+	/* check for errors */
+	lw		$s1, 0($t2)
+	andi	$s1, $zero, 0x3000
+	bne		$s1, $zero, error
+	sw		$t5, 4($t2)		/* clear NVMWREN */
+	jr		$ra
+	nop
+
+.end progflash

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/sim3x.s
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/sim3x.s b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/sim3x.s
new file mode 100755
index 0000000..cdb3ef6
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/sim3x.s
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   Copyright (C) 2014 by Ladislav Bábel                                  *
+ *   ladababel@seznam.cz                                                   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ ***************************************************************************/
+
+#define INITIAL_UNLOCK    0x5A
+#define MULTIPLE_UNLOCK   0xF2
+
+#define FLASHCTRL_KEY     0x4002E0C0
+#define FLASHCTRL_CONFIG  0x4002E000
+#define FLASHCTRL_WRADDR  0x4002E0A0
+#define FLASHCTRL_WRDATA  0x4002E0B0
+#define BUSYF             0x00100000
+
+
+		/* Write the initial unlock value to KEY (0xA5) */
+		movs    r6, #INITIAL_UNLOCK
+		str     r6, [r0, #FLASHCTRL_KEY]
+
+		/* Write the multiple unlock value to KEY (0xF2) */
+		movs    r6, #MULTIPLE_UNLOCK
+		str     r6, [r0, #FLASHCTRL_KEY]
+
+wait_fifo:
+		ldr     r6, [r2, #0]
+		cmp	    r6, #0
+		beq     exit
+		ldr     r5, [r2, #4]
+		cmp     r5, r6
+		beq     wait_fifo
+
+		/* wait for BUSYF flag */
+wait_busy1:
+		ldr     r6, [r0, #FLASHCTRL_CONFIG]
+		tst     r6, #BUSYF
+		bne     wait_busy1
+
+		/* Write the destination address to WRADDR */
+		str     r4, [r0, #FLASHCTRL_WRADDR]
+
+		/* Write the data half-word to WRDATA in right-justified format */
+		ldrh    r6, [r5]
+		str     r6, [r0, #FLASHCTRL_WRDATA]
+
+		adds    r5, #2
+		adds    r4, #2
+
+		/* wrap rp at end of buffer */
+		cmp     r5, r3
+		bcc     no_wrap
+		mov     r5, r2
+		adds    r5, #8
+
+no_wrap:
+		str     r5, [r2, #4]
+		subs    r1, r1, #1
+		cmp     r1, #0
+		beq     exit
+		b       wait_fifo
+
+exit:
+		movs    r6, #MULTIPLE_LOCK
+		str     r6, [r0, #FLASHCTRL_KEY]
+
+		/* wait for BUSYF flag */
+wait_busy2:
+		ldr     r6, [r0, #FLASHCTRL_CONFIG]
+		tst     r6, #BUSYF
+		bne     wait_busy2
+
+		bkpt    #0

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stellaris.s
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stellaris.s b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stellaris.s
new file mode 100755
index 0000000..6e1ed69
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stellaris.s
@@ -0,0 +1,78 @@
+/***************************************************************************
+ *   Copyright (C) 2006 by Magnus Lundin                                   *
+ *   lundin@mlu.mine.nu                                                    *
+ *                                                                         *
+ *   Copyright (C) 2008 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+	.text
+	.syntax unified
+	.cpu cortex-m3
+	.thumb
+	.thumb_func
+
+/*
+ * Params :
+ * r0 = workarea start
+ * r1 = workarea end
+ * r2 = target address
+ * r3 = count (32bit words)
+ *
+ * Clobbered:
+ * r4 = pFLASH_CTRL_BASE
+ * r5 = FLASHWRITECMD
+ * r7 - rp
+ * r8 - wp, tmp
+ */
+
+write:
+	ldr 	r4, pFLASH_CTRL_BASE
+	ldr 	r5, FLASHWRITECMD
+
+wait_fifo:
+	ldr 	r8, [r0, #0]	/* read wp */
+	cmp 	r8, #0			/* abort if wp == 0 */
+	beq 	exit
+	ldr 	r7, [r0, #4]	/* read rp */
+	cmp 	r7, r8			/* wait until rp != wp */
+	beq 	wait_fifo
+
+mainloop:
+	str		r2, [r4, #0]	/* FMA - write address */
+	add		r2, r2, #4		/* increment target address */
+	ldr		r8, [r7], #4
+	str		r8, [r4, #4]	/* FMD - write data */
+	str		r5, [r4, #8]	/* FMC - enable write */
+busy:
+	ldr		r8, [r4, #8]
+	tst		r8, #1
+	bne		busy
+
+	cmp 	r7, r1			/* wrap rp at end of buffer */
+	it  	cs
+	addcs	r7, r0, #8		/* skip loader args */
+	str 	r7, [r0, #4]	/* store rp */
+	subs	r3, r3, #1		/* decrement word count */
+	cbz 	r3, exit		/* loop if not done */
+	b		wait_fifo
+exit:
+	bkpt	#0
+
+pFLASH_CTRL_BASE: .word 0x400FD000
+FLASHWRITECMD: .word 0xA4420001

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f1x.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f1x.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f1x.S
new file mode 100755
index 0000000..5ce463d
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f1x.S
@@ -0,0 +1,76 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Andreas Fritiofson                              *
+ *   andreas.fritiofson@gmail.com                                          *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+	.text
+	.syntax unified
+	.cpu cortex-m0
+	.thumb
+	.thumb_func
+	.global write
+
+	/* Params:
+	 * r0 - flash base (in), status (out)
+	 * r1 - count (halfword-16bit)
+	 * r2 - workarea start
+	 * r3 - workarea end
+	 * r4 - target address
+	 * Clobbered:
+	 * r5 - rp
+	 * r6 - wp, tmp
+	 * r7 - tmp
+	 */
+
+#define STM32_FLASH_SR_OFFSET 0x0c /* offset of SR register from flash reg base */
+
+wait_fifo:
+	ldr 	r6, [r2, #0]	/* read wp */
+	cmp 	r6, #0			/* abort if wp == 0 */
+	beq 	exit
+	ldr 	r5, [r2, #4]	/* read rp */
+	cmp 	r5, r6			/* wait until rp != wp */
+	beq 	wait_fifo
+	ldrh	r6, [r5]	/* "*target_address++ = *rp++" */
+	strh	r6, [r4]
+	adds	r5, #2
+	adds	r4, #2
+busy:
+	ldr 	r6, [r0, #STM32_FLASH_SR_OFFSET]	/* wait until BSY flag is reset */
+	movs	r7, #1
+	tst 	r6, r7
+	bne 	busy
+	movs	r7, #0x14		/* check the error bits */
+	tst 	r6, r7
+	bne 	error
+	cmp 	r5, r3			/* wrap rp at end of buffer */
+	bcc	no_wrap
+	mov	r5, r2
+	adds	r5, #8
+no_wrap:
+	str 	r5, [r2, #4]	/* store rp */
+	subs	r1, r1, #1		/* decrement halfword count */
+	cmp     r1, #0
+	beq     exit		/* loop if not done */
+	b	wait_fifo
+error:
+	movs	r0, #0
+	str 	r0, [r2, #4]	/* set rp = 0 on error */
+exit:
+	mov		r0, r6			/* return status in r0 */
+	bkpt	#0

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f2x.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f2x.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f2x.S
new file mode 100755
index 0000000..0dd1223
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32f2x.S
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   Copyright (C) 2011 Øyvind Harboe                                      *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+	.text
+	.syntax unified
+	.cpu cortex-m3
+	.thumb
+	.thumb_func
+
+/*
+ * Params :
+ * r0 = workarea start, status (out)
+ * r1 = workarea end
+ * r2 = target address
+ * r3 = count (16bit words)
+ * r4 = flash base
+ *
+ * Clobbered:
+ * r6 - temp
+ * r7 - rp
+ * r8 - wp, tmp
+ */
+
+#define STM32_FLASH_CR_OFFSET	0x10			/* offset of CR register in FLASH struct */
+#define STM32_FLASH_SR_OFFSET	0x0c			/* offset of SR register in FLASH struct */
+
+wait_fifo:
+	ldr 	r8, [r0, #0]	/* read wp */
+	cmp 	r8, #0			/* abort if wp == 0 */
+	beq 	exit
+	ldr 	r7, [r0, #4]	/* read rp */
+	cmp 	r7, r8			/* wait until rp != wp */
+	beq 	wait_fifo
+
+	ldr		r6, STM32_PROG16
+	str		r6, [r4, #STM32_FLASH_CR_OFFSET]
+	ldrh 	r6, [r7], #0x02						/* read one half-word from src, increment ptr */
+	strh 	r6, [r2], #0x02						/* write one half-word from src, increment ptr */
+	dsb
+busy:
+	ldr 	r6, [r4, #STM32_FLASH_SR_OFFSET]
+	tst 	r6, #0x10000						/* BSY (bit16) == 1 => operation in progress */
+	bne 	busy								/* wait more... */
+	tst		r6, #0xf0							/* PGSERR | PGPERR | PGAERR | WRPERR */
+	bne		error								/* fail... */
+
+	cmp 	r7, r1			/* wrap rp at end of buffer */
+	it  	cs
+	addcs	r7, r0, #8		/* skip loader args */
+	str 	r7, [r0, #4]	/* store rp */
+	subs	r3, r3, #1		/* decrement halfword count */
+	cbz 	r3, exit		/* loop if not done */
+	b		wait_fifo
+error:
+	movs	r1, #0
+	str		r1, [r0, #4]	/* set rp = 0 on error */
+exit:
+	mov		r0, r6			/* return status in r0 */
+	bkpt	#0x00
+
+STM32_PROG16: .word 0x101 	/* PG | PSIZE_16*/

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32l4x.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32l4x.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32l4x.S
new file mode 100755
index 0000000..799dec5
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32l4x.S
@@ -0,0 +1,100 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   Copyright (C) 2011 Øyvind Harboe                                      *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
+ *   Copyright (C) 2015 Uwe Bonnes                                         *
+ *   bon@elektron.ikp.physik.tu-darmstadt.de                               *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.                                        *
+ ***************************************************************************/
+
+	.text
+	.syntax unified
+	.cpu cortex-m4
+	.thumb
+	.thumb_func
+
+/* To assemble:
+ * arm-none-eabi-gcc -c stm32l4x.S
+ *
+ * To disassemble:
+ * arm-none-eabi-objdump -o stm32l4x.o
+ *
+ * To generate binary file:
+ * arm-none-eabi-objcopy -O binary stm32l4x.o stm32l4_flash_write_code.bin
+ *
+ * To generate include file:
+ * xxd -i stm32l4_flash_write_code.bin
+ */
+
+/*
+ * Params :
+ * r0 = workarea start, status (out)
+ * r1 = workarea end
+ * r2 = target address
+ * r3 = count (64bit words)
+ * r4 = flash base
+ *
+ * Clobbered:
+ * r5   - rp
+ * r6/7 - temp (64-bit)
+ * r8   - wp, tmp
+ */
+
+#define STM32_FLASH_CR_OFFSET	0x14	/* offset of CR register in FLASH struct */
+#define STM32_FLASH_SR_OFFSET	0x10	/* offset of SR register in FLASH struct */
+
+wait_fifo:
+	ldr 	r8, [r0, #0]	/* read wp */
+	cmp 	r8, #0		/* abort if wp == 0 */
+	beq 	exit
+	ldr 	r5, [r0, #4]	/* read rp */
+	subs	r6, r8, r5	/* number of bytes available for read in r6*/
+	itt 	mi              /* if wrapped around*/
+	addmi	r6, r1          /* add size of buffer */
+	submi	r6, r0
+	cmp 	r6, #8		/* wait until 8 bytes are available */
+	bcc 	wait_fifo
+
+	ldr	r6, STM32_PROG
+	str	r6, [r4, #STM32_FLASH_CR_OFFSET]
+	ldrd 	r6, [r5], #0x08	/* read one word from src, increment ptr */
+	strd 	r6, [r2], #0x08	/* write one word to dst, increment ptr */
+	dsb
+busy:
+	ldr 	r6, [r4, #STM32_FLASH_SR_OFFSET]
+	tst 	r6, #0x10000	/* BSY (bit16) == 1 => operation in progress */
+	bne 	busy		/* wait more... */
+	tst	r6, #0xfa	/* PGSERR | PGPERR | PGAERR | WRPERR | PROGERR*/
+	bne	error		/* fail... */
+
+	cmp 	r5, r1		/* wrap rp at end of buffer */
+	it  	cs
+	addcs	r5, r0, #8	/* skip loader args */
+	str 	r5, [r0, #4]	/* store rp */
+	subs	r3, r3, #1	/* decrement dword count */
+	cbz 	r3, exit	/* loop if not done */
+	b	wait_fifo
+error:
+	movs	r1, #0
+	str	r1, [r0, #4]	/* set rp = 0 on error */
+exit:
+	mov	r0, r6		/* return status in r0 */
+	bkpt	#0x00
+
+STM32_PROG: .word 0x1 	/* PG */

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32lx.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32lx.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32lx.S
new file mode 100755
index 0000000..88deed3
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/stm32lx.S
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   Copyright (C) 2011 Øyvind Harboe                                      *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
+ *   Copyright (C) 2011 Clement Burin des Roziers                          *
+ *   clement.burin-des-roziers@hikob.com                                   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+
+// Build : arm-eabi-gcc -c stm32lx.S
+	.text
+	.syntax unified
+	.cpu cortex-m3
+	.thumb
+	.thumb_func
+	.global write
+
+/*
+	r0 - destination address
+	r1 - source address
+	r2 - count
+*/
+
+	// Set 0 to r3
+	movs	r3, #0
+	// Go to compare
+	b.n test_done
+
+write_word:
+	// Load one word from address in r0, increment by 4
+	ldr.w	ip, [r1], #4
+	// Store the word to address in r1, increment by 4
+	str.w	ip, [r0], #4
+	// Increment r3
+	adds	r3, #1
+
+test_done:
+	// Compare r3 and r2
+	cmp 	r3, r2
+	// Loop if not zero
+	bcc.n	write_word
+
+	// Set breakpoint to exit
+	bkpt	#0x00
+

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str7x.s
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str7x.s b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str7x.s
new file mode 100755
index 0000000..a163ee6
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str7x.s
@@ -0,0 +1,59 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+	.text
+	.arm
+	.arch armv4t
+
+	.section .init
+/*
+	r0 source address
+	r1 address
+	r2 FLASH_CR0
+	r3 dword count
+	r4 result
+	r5 busy mask
+*/
+
+write:
+	mov		r4, #0x10000000			/* set DWPG bit */
+	str		r4, [r2, #0x0]			/* FLASH_CR0 */
+	str		r1, [r2, #0x10]			/* FLASH_AR */
+	ldr		r4, [r0], #4			/* load data */
+	str		r4, [r2, #0x8]			/* FLASH_DR0 */
+	ldr		r4, [r0], #4			/* load data */
+	str		r4, [r2, #0xc]			/* FLASH_DR1 */
+	mov		r4, #0x90000000			/* set DWPG and WMS bits */
+	str		r4, [r2, #0x0]			/* FLASH_CR0 */
+busy:
+	ldr		r4, [r2, #0x0]			/* FLASH_CR0 */
+	tst		r4, r5
+	bne		busy
+	ldr		r4, [r2, #0x14]			/* FLASH_ER */
+	tst		r4, #0xff				/* do we have errors */
+	tsteq	r4, #0x100			/* write protection set */
+	bne		exit
+	add		r1, r1, #0x8			/* next 8 bytes */
+	subs	r3, r3, #1				/* decremment dword count */
+	bne		write
+exit:
+	b		exit
+
+	.end

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str9x.s
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str9x.s b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str9x.s
new file mode 100755
index 0000000..4daac77
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/str9x.s
@@ -0,0 +1,56 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+	.text
+	.arm
+	.arch armv5t
+
+	.section .init
+/*
+	r0 source address (in)
+	r1 target address (in)
+	r2 word count (in)
+	r3 result (out)
+*/
+
+write:
+	bic		r4, r1, #3			/* word address */
+	mov		r3, #0x40			/* write command */
+	strh	r3, [r4, #0]
+	ldrh 	r3, [r0], #2		/* read data */
+	strh	r3, [r1], #2		/* write data */
+	mov		r3, #0x70			/* status command */
+	strh	r3, [r4, #0]
+busy:
+	ldrb	r3, [r4, #0]		/* status */
+	tst 	r3, #0x80
+	beq 	busy
+	mov		r5, #0x50			/* clear status command */
+	strh	r5, [r4, #0]
+	mov		r5, #0xFF			/* read array */
+	strh	r5, [r4, #0]
+	tst		r3, #0x12
+	bne		exit
+	subs 	r2, r2, #1			/* decremment word count */
+	bne 	write
+exit:
+	bkpt	#0
+
+	.end

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/Makefile
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/Makefile b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/Makefile
new file mode 100755
index 0000000..066466e
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/Makefile
@@ -0,0 +1,30 @@
+BIN2C = ../../../../src/helper/bin2char.sh
+
+CROSS_COMPILE ?= arm-none-eabi-
+
+CC=$(CROSS_COMPILE)gcc
+OBJCOPY=$(CROSS_COMPILE)objcopy
+OBJDUMP=$(CROSS_COMPILE)objdump
+
+all: erase.inc erase_check.inc write.inc
+
+.PHONY: clean
+
+.INTERMEDIATE: erase.elf erase_check.elf write.elf
+
+erase.elf erase_check.elf write.elf: xmc1xxx.S
+
+%.elf: %.S
+	$(CC) -static -nostartfiles $< -o $@
+
+%.lst: %.elf
+	$(OBJDUMP) -S $< > $@
+
+%.bin: %.elf
+	$(OBJCOPY) -Obinary $< $@
+
+%.inc: %.bin
+	$(BIN2C) < $< > $@
+
+clean:
+	-rm -f *.elf *.lst *.bin *.inc

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.S
new file mode 100755
index 0000000..e5a4808
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.S
@@ -0,0 +1,53 @@
+/*
+ * Infineon XMC1000 flash sectors erase
+ *
+ * Copyright (c) 2016 Andreas Färber
+ *
+ * Based on XMC1100 AA-Step Reference Manual
+ *
+ * License: GPL-2.0+
+ */
+
+#include "xmc1xxx.S"
+
+#define DUMMY_VALUE 0x42
+
+	.macro erase_page, nvmbase, addr, tmp, tmp2
+
+	movs	\tmp, #DUMMY_VALUE
+	str	\tmp, [\addr]
+
+	busy_wait \nvmbase, \tmp, \tmp2
+
+	.endm
+
+
+	.macro erase, nvmbase, addr, end, tmp, tmp2
+
+	movs	\tmp, #NVMPROG_ACTION_PAGE_ERASE_CONTINUOUS
+	strh	\tmp, [\nvmbase, #NVMPROG]
+2001:
+	erase_page \nvmbase, \addr, \tmp, \tmp2
+
+	movs	\tmp, #(NVM_PAGE_SIZE - 1)
+	adds	\tmp, \tmp, #1
+	add	\addr, \addr, \tmp
+	cmp	\addr, \end
+	blt	2001b
+
+	movs	\tmp, #NVMPROG_ACTION_IDLE
+	strh	\tmp, [\nvmbase, #NVMPROG]
+
+	.endm
+
+
+	/*
+	 * r0 = 0x40050000
+	 * r1 = e.g. 0x10001000
+	 * r2 = e.g. 0x10011000
+	 * NVMPROG.ACTION = 0x00
+	 */
+erase:
+	erase r0, r1, r2, r3, r4
+
+	bkpt	#0

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.inc
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.inc b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.inc
new file mode 100755
index 0000000..b33e57d
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase.inc
@@ -0,0 +1,4 @@
+/* Autogenerated with ../../../../src/helper/bin2char.sh */
+0xa2,0x23,0x83,0x80,0x42,0x23,0x0b,0x60,0x03,0x88,0x01,0x24,0x23,0x40,0xa3,0x42,
+0xfa,0xd0,0xff,0x23,0x01,0x33,0x19,0x44,0x91,0x42,0xf3,0xdb,0x00,0x23,0x83,0x80,
+0x00,0xbe,

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.S
new file mode 100755
index 0000000..6c99344
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.S
@@ -0,0 +1,67 @@
+/*
+ * Infineon XMC1000 flash sector erase check
+ *
+ * Copyright (c) 2016 Andreas Färber
+ *
+ * Based on XMC1100 AA-Step Reference Manual
+ *
+ * License: GPL-2.0+
+ */
+
+#include "xmc1xxx.S"
+
+	.macro verify_block, nvmbase, addr, tmp, tmp2
+
+	movs	\tmp, #0x00
+	mvns	\tmp, \tmp
+	str	\tmp, [\addr, #0x0]
+	str	\tmp, [\addr, #0x4]
+	str	\tmp, [\addr, #0x8]
+	str	\tmp, [\addr, #0xC]
+
+	busy_wait \nvmbase, \tmp, \tmp2
+
+	.endm
+
+
+	.macro erase_check, nvmbase, addr, end, tmp, tmp2
+
+	ldrh	\tmp, [\nvmbase, #NVMCONF]
+	movs	\tmp2, #NVMCONF_HRLEV_MASK
+	mvns	\tmp2, \tmp2
+	ands	\tmp, \tmp, \tmp2
+	movs	\tmp2, #NVMCONF_HRLEV_HRE
+	orrs	\tmp, \tmp, \tmp2
+	strh	\tmp, [\nvmbase, #NVMCONF]
+
+	movs	\tmp, #NVMPROG_ACTION_VERIFY_CONTINUOUS
+	strh	\tmp, [\nvmbase, #NVMPROG]
+2001:
+	verify_block \nvmbase, \addr, \tmp, \tmp2
+
+	ldrh	\tmp, [\nvmbase, #NVMSTATUS]
+	movs	\tmp2, #NVMSTATUS_VERR_MASK
+	ands	\tmp, \tmp, \tmp2
+	cmp	\tmp, #NVMSTATUS_VERR_NOFAIL
+	bne	2010f
+
+	adds	\addr, \addr, #NVM_BLOCK_SIZE
+	cmp	\addr, \end
+	blt	2001b
+2010:
+	movs	\tmp, #NVMPROG_ACTION_IDLE
+	strh	\tmp, [\nvmbase, #NVMPROG]
+
+	.endm
+
+
+	/*
+	 * r0 = 0x40050000
+	 * r1 = e.g. 0x10001000
+	 * r2 = e.g. 0x10002000
+	 * NVMPROG.ACTION = 0x00
+	 */
+erase_check:
+	erase_check r0, r1, r2, r3, r4
+
+	bkpt	#0

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.inc
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.inc b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.inc
new file mode 100755
index 0000000..8fc8e0b
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/erase_check.inc
@@ -0,0 +1,5 @@
+/* Autogenerated with ../../../../src/helper/bin2char.sh */
+0x03,0x89,0x06,0x24,0xe4,0x43,0x23,0x40,0x04,0x24,0x23,0x43,0x03,0x81,0xe0,0x23,
+0x83,0x80,0x00,0x23,0xdb,0x43,0x0b,0x60,0x4b,0x60,0x8b,0x60,0xcb,0x60,0x03,0x88,
+0x01,0x24,0x23,0x40,0xa3,0x42,0xfa,0xd0,0x03,0x88,0x0c,0x24,0x23,0x40,0x00,0x2b,
+0x02,0xd1,0x10,0x31,0x91,0x42,0xec,0xdb,0x00,0x23,0x83,0x80,0x00,0xbe,

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.S
new file mode 100755
index 0000000..640f6ca
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.S
@@ -0,0 +1,58 @@
+/*
+ * Infineon XMC1000 flash write
+ *
+ * Copyright (c) 2016 Andreas Färber
+ *
+ * Based on XMC1100 AA-Step Reference Manual
+ *
+ * License: GPL-2.0+
+ */
+
+#include "xmc1xxx.S"
+
+	.macro write_block, nvmbase, dest, src, tmp, tmp2
+
+	ldr	\tmp, [\src,  #0x0]
+	str	\tmp, [\dest, #0x0]
+	ldr	\tmp, [\src,  #0x4]
+	str	\tmp, [\dest, #0x4]
+	ldr	\tmp, [\src,  #0x8]
+	str	\tmp, [\dest, #0x8]
+	ldr	\tmp, [\src,  #0xc]
+	str	\tmp, [\dest, #0xc]
+
+	busy_wait \nvmbase, \tmp, \tmp2
+
+	.endm
+
+
+	.macro write, nvmbase, dest, src, count, tmp, tmp2
+
+	movs	\tmp, #NVMPROG_ACTION_WRITE_CONTINUOUS
+	strh	\tmp, [\nvmbase, #NVMPROG]
+1001:
+	write_block \nvmbase, \dest, \src, \tmp, \tmp2
+
+	adds	\dest, \dest, #NVM_BLOCK_SIZE
+	adds	\src, \src, #NVM_BLOCK_SIZE
+	subs	\count, \count, #1
+	cmp	\count, #0
+	bgt	1001b
+
+	movs	\tmp, #NVMPROG_ACTION_IDLE
+	strh	\tmp, [\nvmbase, #NVMPROG]
+
+	.endm
+
+
+	/*
+	 * r0 = 0x40050000
+	 * r1 = e.g. 0x10001000
+	 * r2 = e.g. 0x20000000
+	 * r3 = e.g. 1
+	 * NVMPROG.ACTION = 0x00
+	 */
+write:
+	write r0, r1, r2, r3, r4, r5
+
+	bkpt	#0

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.inc
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.inc b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.inc
new file mode 100755
index 0000000..8272bb7
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/write.inc
@@ -0,0 +1,4 @@
+/* Autogenerated with ../../../../src/helper/bin2char.sh */
+0xa1,0x24,0x84,0x80,0x14,0x68,0x0c,0x60,0x54,0x68,0x4c,0x60,0x94,0x68,0x8c,0x60,
+0xd4,0x68,0xcc,0x60,0x04,0x88,0x01,0x25,0x2c,0x40,0xac,0x42,0xfa,0xd0,0x10,0x31,
+0x10,0x32,0x01,0x3b,0x00,0x2b,0xed,0xdc,0x00,0x24,0x84,0x80,0x00,0xbe,

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/xmc1xxx.S
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/xmc1xxx.S b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/xmc1xxx.S
new file mode 100755
index 0000000..dfe7d3f
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/flash/xmc1xxx/xmc1xxx.S
@@ -0,0 +1,46 @@
+/*
+ * Infineon XMC1000 flash
+ *
+ * Copyright (c) 2016 Andreas Färber
+ *
+ * Based on XMC1100 AA-Step Reference Manual
+ *
+ * License: GPL-2.0+
+ */
+
+	.text
+	.syntax unified
+	.cpu cortex-m0
+	.thumb
+	.thumb_func
+
+#define NVMSTATUS	0x00
+#define NVMPROG		0x04
+#define NVMCONF		0x08
+
+#define NVMSTATUS_BUSY		(1 << 0)
+#define NVMSTATUS_VERR_NOFAIL	(0x0 << 2)
+#define NVMSTATUS_VERR_MASK	(0x3 << 2)
+
+#define NVMPROG_ACTION_IDLE			0x00
+#define NVMPROG_ACTION_WRITE_CONTINUOUS		0xA1
+#define NVMPROG_ACTION_PAGE_ERASE_CONTINUOUS	0xA2
+#define NVMPROG_ACTION_VERIFY_CONTINUOUS	0xE0
+
+#define NVMCONF_HRLEV_NR	(0x0 << 1)
+#define NVMCONF_HRLEV_HRE	(0x2 << 1)
+#define NVMCONF_HRLEV_MASK	(0x3 << 1)
+
+#define NVM_WORD_SIZE	4
+#define NVM_BLOCK_SIZE	(4 * NVM_WORD_SIZE)
+#define NVM_PAGE_SIZE	(16 * NVM_BLOCK_SIZE)
+
+	.macro busy_wait, nvmbase, tmp, tmp2
+1:
+	ldrh	\tmp, [\nvmbase, #NVMSTATUS]
+	movs	\tmp2, #NVMSTATUS_BUSY
+	ands	\tmp, \tmp, \tmp2
+	cmp	\tmp, \tmp2
+	beq	1b
+
+	.endm

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/Makefile
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/Makefile b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/Makefile
new file mode 100755
index 0000000..d9ef1d2
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/Makefile
@@ -0,0 +1,19 @@
+BIN2C = ../../../src/helper/bin2char.sh
+
+ARM_CROSS_COMPILE ?= arm-none-eabi-
+ARM_AS      ?= $(ARM_CROSS_COMPILE)as
+ARM_OBJCOPY ?= $(ARM_CROSS_COMPILE)objcopy
+
+arm: armv7m_kinetis_wdog.inc
+
+armv7m_%.elf: armv7m_%.s
+	$(ARM_AS) -mthumb $< -o $@
+
+armv7m_%.bin: armv7m_%.elf
+	$(ARM_OBJCOPY) -Obinary $< $@
+
+armv7m_%.inc: armv7m_%.bin
+	$(BIN2C) < $< > $@
+
+clean:
+	-rm -f *.elf *.bin *.inc

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.inc
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.inc b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.inc
new file mode 100755
index 0000000..4b6579e
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.inc
@@ -0,0 +1,4 @@
+/* Autogenerated with ../../../src/helper/bin2char.sh */
+0x04,0x4b,0x05,0x4a,0xda,0x81,0x05,0x4a,0xda,0x81,0x01,0x24,0x1a,0x88,0xa2,0x43,
+0x1a,0x80,0x06,0xe0,0x00,0x20,0x05,0x40,0x20,0xc5,0x00,0x00,0x28,0xd9,0x00,0x00,
+0x00,0x00,0x00,0xbe,

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.s
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.s b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.s
new file mode 100755
index 0000000..bac924a
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/loaders/watchdog/armv7m_kinetis_wdog.s
@@ -0,0 +1,64 @@
+/***************************************************************************
+ *   Copyright (C) 2015 Tomas Vanek                                        *
+ *   vanekt@fbl.cz                                                         *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.                                        *
+ ***************************************************************************/
+
+/*
+	Disable watchdog for Kinetis Kx and KVx
+	Parameters: none
+	Used instruction set should work on both Cortex-M4 and M0+
+*/
+
+	.text
+	.syntax unified
+        .cpu cortex-m0
+	.thumb
+
+WDOG_ADDR	= 0x40052000
+/* WDOG registers offsets */
+WDOG_STCTRLH	= 0
+WDOG_UNLOCK	= 0x0e
+
+WDOG_KEY1	= 0xc520
+WDOG_KEY2	= 0xd928
+
+	.thumb_func
+start:
+/* WDOG_UNLOCK = 0xC520 */
+	ldr     r3, =WDOG_ADDR
+	ldr     r2, =WDOG_KEY1
+	strh    r2, [r3, WDOG_UNLOCK]
+/* WDOG_UNLOCK = 0xD928 */
+	ldr     r2, =WDOG_KEY2
+	strh    r2, [r3, WDOG_UNLOCK]
+/* WDOG_STCTRLH clear bit 0 */
+	movs	r4, #1
+	ldrh    r2, [r3, WDOG_STCTRLH]
+	bics	r2, r4
+	strh    r2, [r3, WDOG_STCTRLH]
+/* OpenOCD checks exit point address. Jump to the very end. */
+	b	done
+
+	.pool
+
+/* Avoid padding at .text segment end. Otherwise exit point check fails. */
+	.skip	( . - start + 2) & 2, 0
+done:
+	bkpt    #0
+
+	.end
+

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/remote_bitbang/remote_bitbang_sysfsgpio.c
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/remote_bitbang/remote_bitbang_sysfsgpio.c b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/remote_bitbang/remote_bitbang_sysfsgpio.c
new file mode 100755
index 0000000..e59a1bd
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/remote_bitbang/remote_bitbang_sysfsgpio.c
@@ -0,0 +1,408 @@
+/***************************************************************************
+ *   Copyright (C) 2013 Paul Fertser <fercerpav@gmail.com>                 *
+ *   Copyright (C) 2012 by Creative Product Design, marc @ cpdesign.com.au *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ ***************************************************************************/
+
+/*
+  This is a test application to be used as a remote bitbang server for
+  the OpenOCD remote_bitbang interface driver.
+
+  To compile run:
+  gcc -Wall -ansi -pedantic -std=c99 -o remote_bitbang_sysfsgpio remote_bitbang_sysfsgpio.c
+
+
+  Usage example:
+
+  On Raspberry Pi run:
+  socat TCP6-LISTEN:7777,fork EXEC:"sudo ./remote_bitbang_sysfsgpio tck 11 tms 25 tdo 9 tdi 10"
+
+  On host run:
+  openocd -c "interface remote_bitbang; remote_bitbang_host raspberrypi; remote_bitbang_port 7777" \
+	  -f target/stm32f1x.cfg
+
+  Or if you want to test UNIX sockets, run both on Raspberry Pi:
+  socat UNIX-LISTEN:/tmp/remotebitbang-socket,fork EXEC:"sudo ./remote_bitbang_sysfsgpio tck 11 tms 25 tdo 9 tdi 10"
+  openocd -c "interface remote_bitbang; remote_bitbang_host /tmp/remotebitbang-socket" -f target/stm32f1x.cfg
+*/
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#define LOG_ERROR(...)		do {					\
+		fprintf(stderr, __VA_ARGS__);				\
+		fputc('\n', stderr);					\
+	} while (0)
+#define LOG_WARNING(...)	LOG_ERROR(__VA_ARGS__)
+
+#define ERROR_OK	(-1)
+#define ERROR_FAIL	(-2)
+#define ERROR_JTAG_INIT_FAILED	ERROR_FAIL
+
+/*
+ * Helper func to determine if gpio number valid
+ *
+ * Assume here that there will be less than 1000 gpios on a system
+ */
+static int is_gpio_valid(int gpio)
+{
+	return gpio >= 0 && gpio < 1000;
+}
+
+/*
+ * Helper func to open, write to and close a file
+ * name and valstr must be null terminated.
+ *
+ * Returns negative on failure.
+ */
+static int open_write_close(const char *name, const char *valstr)
+{
+	int ret;
+	int fd = open(name, O_WRONLY);
+	if (fd < 0)
+		return fd;
+
+	ret = write(fd, valstr, strlen(valstr));
+	close(fd);
+
+	return ret;
+}
+
+/*
+ * Helper func to unexport gpio from sysfs
+ */
+static void unexport_sysfs_gpio(int gpio)
+{
+	char gpiostr[4];
+
+	if (!is_gpio_valid(gpio))
+		return;
+
+	snprintf(gpiostr, sizeof(gpiostr), "%d", gpio);
+	if (open_write_close("/sys/class/gpio/unexport", gpiostr) < 0)
+		LOG_ERROR("Couldn't unexport gpio %d", gpio);
+
+	return;
+}
+
+/*
+ * Exports and sets up direction for gpio.
+ * If the gpio is an output, it is initialized according to init_high,
+ * otherwise it is ignored.
+ *
+ * If the gpio is already exported we just show a warning and continue; if
+ * openocd happened to crash (or was killed by user) then the gpios will not
+ * have been cleaned up.
+ */
+static int setup_sysfs_gpio(int gpio, int is_output, int init_high)
+{
+	char buf[40];
+	char gpiostr[4];
+	int ret;
+
+	if (!is_gpio_valid(gpio))
+		return ERROR_OK;
+
+	snprintf(gpiostr, sizeof(gpiostr), "%d", gpio);
+	ret = open_write_close("/sys/class/gpio/export", gpiostr);
+	if (ret < 0) {
+		if (errno == EBUSY) {
+			LOG_WARNING("gpio %d is already exported", gpio);
+		} else {
+			LOG_ERROR("Couldn't export gpio %d", gpio);
+			perror("sysfsgpio: ");
+			return ERROR_FAIL;
+		}
+	}
+
+	snprintf(buf, sizeof(buf), "/sys/class/gpio/gpio%d/direction", gpio);
+	ret = open_write_close(buf, is_output ? (init_high ? "high" : "low") : "in");
+	if (ret < 0) {
+		LOG_ERROR("Couldn't set direction for gpio %d", gpio);
+		perror("sysfsgpio: ");
+		unexport_sysfs_gpio(gpio);
+		return ERROR_FAIL;
+	}
+
+	snprintf(buf, sizeof(buf), "/sys/class/gpio/gpio%d/value", gpio);
+	if (is_output)
+		ret = open(buf, O_WRONLY | O_NONBLOCK | O_SYNC);
+	else
+		ret = open(buf, O_RDONLY | O_NONBLOCK | O_SYNC);
+
+	if (ret < 0)
+		unexport_sysfs_gpio(gpio);
+
+	return ret;
+}
+
+/*
+ * file descriptors for /sys/class/gpio/gpioXX/value
+ * Set up during init.
+ */
+static int tck_fd = -1;
+static int tms_fd = -1;
+static int tdi_fd = -1;
+static int tdo_fd = -1;
+static int trst_fd = -1;
+static int srst_fd = -1;
+
+/*
+ * Bitbang interface read of TDO
+ *
+ * The sysfs value will read back either '0' or '1'. The trick here is to call
+ * lseek to bypass buffering in the sysfs kernel driver.
+ */
+static int sysfsgpio_read(void)
+{
+	char buf[1];
+
+	/* important to seek to signal sysfs of new read */
+	lseek(tdo_fd, 0, SEEK_SET);
+	int ret = read(tdo_fd, &buf, sizeof(buf));
+
+	if (ret < 0) {
+		LOG_WARNING("reading tdo failed");
+		return 0;
+	}
+
+	return buf[0];
+}
+
+/*
+ * Bitbang interface write of TCK, TMS, TDI
+ *
+ * Seeing as this is the only function where the outputs are changed,
+ * we can cache the old value to avoid needlessly writing it.
+ */
+static void sysfsgpio_write(int tck, int tms, int tdi)
+{
+	const char one[] = "1";
+	const char zero[] = "0";
+
+	static int last_tck;
+	static int last_tms;
+	static int last_tdi;
+
+	static int first_time;
+	size_t bytes_written;
+
+	if (!first_time) {
+		last_tck = !tck;
+		last_tms = !tms;
+		last_tdi = !tdi;
+		first_time = 1;
+	}
+
+	if (tdi != last_tdi) {
+		bytes_written = write(tdi_fd, tdi ? &one : &zero, 1);
+		if (bytes_written != 1)
+			LOG_WARNING("writing tdi failed");
+	}
+
+	if (tms != last_tms) {
+		bytes_written = write(tms_fd, tms ? &one : &zero, 1);
+		if (bytes_written != 1)
+			LOG_WARNING("writing tms failed");
+	}
+
+	/* write clk last */
+	if (tck != last_tck) {
+		bytes_written = write(tck_fd, tck ? &one : &zero, 1);
+		if (bytes_written != 1)
+			LOG_WARNING("writing tck failed");
+	}
+
+	last_tdi = tdi;
+	last_tms = tms;
+	last_tck = tck;
+}
+
+/*
+ * Bitbang interface to manipulate reset lines SRST and TRST
+ *
+ * (1) assert or (0) deassert reset lines
+ */
+static void sysfsgpio_reset(int trst, int srst)
+{
+	const char one[] = "1";
+	const char zero[] = "0";
+	size_t bytes_written;
+
+	/* assume active low */
+	if (srst_fd >= 0) {
+		bytes_written = write(srst_fd, srst ? &zero : &one, 1);
+		if (bytes_written != 1)
+			LOG_WARNING("writing srst failed");
+	}
+
+	/* assume active low */
+	if (trst_fd >= 0) {
+		bytes_written = write(trst_fd, trst ? &zero : &one, 1);
+		if (bytes_written != 1)
+			LOG_WARNING("writing trst failed");
+	}
+}
+
+/* gpio numbers for each gpio. Negative values are invalid */
+static int tck_gpio = -1;
+static int tms_gpio = -1;
+static int tdi_gpio = -1;
+static int tdo_gpio = -1;
+static int trst_gpio = -1;
+static int srst_gpio = -1;
+
+/* helper func to close and cleanup files only if they were valid/ used */
+static void cleanup_fd(int fd, int gpio)
+{
+	if (gpio >= 0) {
+		if (fd >= 0)
+			close(fd);
+
+		unexport_sysfs_gpio(gpio);
+	}
+}
+
+static void cleanup_all_fds(void)
+{
+	cleanup_fd(tck_fd, tck_gpio);
+	cleanup_fd(tms_fd, tms_gpio);
+	cleanup_fd(tdi_fd, tdi_gpio);
+	cleanup_fd(tdo_fd, tdo_gpio);
+	cleanup_fd(trst_fd, trst_gpio);
+	cleanup_fd(srst_fd, srst_gpio);
+}
+
+static void process_remote_protocol(void)
+{
+	int c;
+	while (1) {
+		c = getchar();
+		if (c == EOF || c == 'Q') /* Quit */
+			break;
+		else if (c == 'b' || c == 'B') /* Blink */
+			continue;
+		else if (c >= 'r' && c <= 'r' + 2) { /* Reset */
+			char d = c - 'r';
+			sysfsgpio_reset(!!(d & 2),
+					(d & 1));
+		} else if (c >= '0' && c <= '0' + 7) {/* Write */
+			char d = c - '0';
+			sysfsgpio_write(!!(d & 4),
+					!!(d & 2),
+					(d & 1));
+		} else if (c == 'R')
+			putchar(sysfsgpio_read());
+		else
+			LOG_ERROR("Unknown command '%c' received", c);
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	LOG_WARNING("SysfsGPIO remote_bitbang JTAG driver\n");
+
+	for (int i = 1; i < argc; i++) {
+		if (!strcmp(argv[i], "tck"))
+			tck_gpio = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "tms"))
+			tms_gpio = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "tdo"))
+			tdo_gpio = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "tdi"))
+			tdi_gpio = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "trst"))
+			trst_gpio = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "srst"))
+			srst_gpio = atoi(argv[++i]);
+		else {
+			LOG_ERROR("Usage:\n%s ((tck|tms|tdo|tdi|trst|srst) num)*", argv[0]);
+			return -1;
+		}
+	}
+
+	if (!(is_gpio_valid(tck_gpio)
+			&& is_gpio_valid(tms_gpio)
+			&& is_gpio_valid(tdi_gpio)
+			&& is_gpio_valid(tdo_gpio))) {
+		if (!is_gpio_valid(tck_gpio))
+			LOG_ERROR("gpio num for tck is invalid");
+		if (!is_gpio_valid(tms_gpio))
+			LOG_ERROR("gpio num for tms is invalid");
+		if (!is_gpio_valid(tdo_gpio))
+			LOG_ERROR("gpio num for tdo is invalid");
+		if (!is_gpio_valid(tdi_gpio))
+			LOG_ERROR("gpio num for tdi is invalid");
+
+		LOG_ERROR("Require tck, tms, tdi and tdo gpios to all be specified");
+		return ERROR_JTAG_INIT_FAILED;
+	}
+
+	/*
+	 * Configure TDO as an input, and TDI, TCK, TMS, TRST, SRST
+	 * as outputs.  Drive TDI and TCK low, and TMS/TRST/SRST high.
+	 */
+	tck_fd = setup_sysfs_gpio(tck_gpio, 1, 0);
+	if (tck_fd < 0)
+		goto out_error;
+
+	tms_fd = setup_sysfs_gpio(tms_gpio, 1, 1);
+	if (tms_fd < 0)
+		goto out_error;
+
+	tdi_fd = setup_sysfs_gpio(tdi_gpio, 1, 0);
+	if (tdi_fd < 0)
+		goto out_error;
+
+	tdo_fd = setup_sysfs_gpio(tdo_gpio, 0, 0);
+	if (tdo_fd < 0)
+		goto out_error;
+
+	/* assume active low */
+	if (trst_gpio > 0) {
+		trst_fd = setup_sysfs_gpio(trst_gpio, 1, 1);
+		if (trst_fd < 0)
+			goto out_error;
+	}
+
+	/* assume active low */
+	if (srst_gpio > 0) {
+		srst_fd = setup_sysfs_gpio(srst_gpio, 1, 1);
+		if (srst_fd < 0)
+			goto out_error;
+	}
+
+	LOG_WARNING("SysfsGPIO nums: tck = %d, tms = %d, tdi = %d, tdo = %d",
+		 tck_gpio, tms_gpio, tdi_gpio, tdo_gpio);
+	LOG_WARNING("SysfsGPIO num: srst = %d", srst_gpio);
+	LOG_WARNING("SysfsGPIO num: trst = %d", trst_gpio);
+
+	setvbuf(stdout, NULL, _IONBF, 0);
+	process_remote_protocol();
+
+	cleanup_all_fds();
+	return 0;
+out_error:
+	cleanup_all_fds();
+	return ERROR_JTAG_INIT_FAILED;
+}

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocd_rpc_example.py
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocd_rpc_example.py b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocd_rpc_example.py
new file mode 100755
index 0000000..6c8529c
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocd_rpc_example.py
@@ -0,0 +1,145 @@
+#!/usr/bin/env python3
+"""
+OpenOCD RPC example, covered by GNU GPLv3 or later
+Copyright (C) 2014 Andreas Ortmann (ortmann@finf.uni-hannover.de)
+
+
+Example output:
+./ocd_rpc_example.py
+echo says hi!
+
+target state: halted
+target halted due to debug-request, current mode: Thread
+xPSR: 0x01000000 pc: 0x00000188 msp: 0x10000fd8
+
+variable @ 0x10000000: 0x01c9c380
+
+variable @ 0x10000000: 0xdeadc0de
+
+memory (before): ['0xdeadc0de', '0x00000011', '0xaaaaaaaa', '0x00000023',
+'0x00000042', '0x0000ffff']
+
+memory (after): ['0x00000001', '0x00000000', '0xaaaaaaaa', '0x00000023',
+'0x00000042', '0x0000ffff']
+"""
+
+import socket
+import itertools
+
+def strToHex(data):
+    return map(strToHex, data) if isinstance(data, list) else int(data, 16)
+
+def hexify(data):
+    return "<None>" if data is None else ("0x%08x" % data)
+
+def compareData(a, b):
+    for i, j, num in zip(a, b, itertools.count(0)):
+        if i != j:
+            print("difference at %d: %s != %s" % (num, hexify(i), hexify(j)))
+
+
+class OpenOcd:
+    COMMAND_TOKEN = '\x1a'
+    def __init__(self, verbose=False):
+        self.verbose = verbose
+        self.tclRpcIp       = "127.0.0.1"
+        self.tclRpcPort     = 6666
+        self.bufferSize     = 4096
+
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    def __enter__(self):
+        self.sock.connect((self.tclRpcIp, self.tclRpcPort))
+        return self
+
+    def __exit__(self, type, value, traceback):
+        try:
+            self.send("exit")
+        finally:
+            self.sock.close()
+
+    def send(self, cmd):
+        """Send a command string to TCL RPC. Return the result that was read."""
+        data = (cmd + OpenOcd.COMMAND_TOKEN).encode("utf-8")
+        if self.verbose:
+            print("<- ", data)
+
+        self.sock.send(data)
+        return self._recv()
+
+    def _recv(self):
+        """Read from the stream until the token (\x1a) was received."""
+        data = bytes()
+        while True:
+            chunk = self.sock.recv(self.bufferSize)
+            data += chunk
+            if bytes(OpenOcd.COMMAND_TOKEN, encoding="utf-8") in chunk:
+                break
+
+        if self.verbose:
+            print("-> ", data)
+
+        data = data.decode("utf-8").strip()
+        data = data[:-1] # strip trailing \x1a
+
+        return data
+
+    def readVariable(self, address):
+        raw = self.send("ocd_mdw 0x%x" % address).split(": ")
+        return None if (len(raw) < 2) else strToHex(raw[1])
+
+    def readMemory(self, wordLen, address, n):
+        self.send("array unset output") # better to clear the array before
+        self.send("mem2array output %d 0x%x %d" % (wordLen, address, n))
+
+        output = self.send("ocd_echo $output").split(" ")
+
+        return [int(output[2*i+1]) for i in range(len(output)//2)]
+
+    def writeVariable(self, address, value):
+        assert value is not None
+        self.send("mww 0x%x 0x%x" % (address, value))
+
+    def writeMemory(self, wordLen, address, n, data):
+        array = " ".join(["%d 0x%x" % (a, b) for a, b in enumerate(data)])
+
+        self.send("array unset 1986ве1т") # better to clear the array before
+        self.send("array set 1986ве1т { %s }" % array)
+        self.send("array2mem 1986ве1т 0x%x %s %d" % (wordLen, address, n))
+
+if __name__ == "__main__":
+
+    def show(*args):
+        print(*args, end="\n\n")
+
+    with OpenOcd() as ocd:
+        ocd.send("reset")
+
+        show(ocd.send("ocd_echo \"echo says hi!\"")[:-1])
+        show(ocd.send("capture \"ocd_halt\"")[:-1])
+
+        # Read the first few words at the RAM region (put starting adress of RAM
+        # region into 'addr')
+        addr = 0x10000000
+
+        value = ocd.readVariable(addr)
+        show("variable @ %s: %s" % (hexify(addr), hexify(value)))
+
+        ocd.writeVariable(addr, 0xdeadc0de)
+        show("variable @ %s: %s" % (hexify(addr), hexify(ocd.readVariable(addr))))
+
+        data = [1, 0, 0xaaaaaaaa, 0x23, 0x42, 0xffff]
+        wordlen = 32
+        n = len(data)
+
+        read = ocd.readMemory(wordlen, addr, n)
+        show("memory (before):", list(map(hexify, read)))
+
+        ocd.writeMemory(wordlen, addr, n, data)
+
+        read = ocd.readMemory(wordlen, addr, n)
+        show("memory  (after):", list(map(hexify, read)))
+
+        compareData(read, data)
+
+        ocd.send("resume")

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocdrpc.hs
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocdrpc.hs b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocdrpc.hs
new file mode 100755
index 0000000..27fb1ae
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rpc_examples/ocdrpc.hs
@@ -0,0 +1,56 @@
+-- OpenOCD RPC example, covered by GNU GPLv3 or later
+-- Copyright (C) 2014 Paul Fertser
+--
+-- Example output:
+-- $ ./ocdrpc
+-- Halting the target, full log output captured:
+-- target state: halted
+-- target halted due to debug-request, current mode: Thread
+-- xPSR: 0x21000000 pc: 0x00003352 msp: 0x20000fe8
+--
+-- Read memory, parse the result and show as a list of strings:
+-- ["0x20001000","0x0000334d","0x00002abb","0x0000118f","0x00002707","0x00002707","0x00002707","0x00000000","0x00000000","0x00000000","0x00000000","0x00002707","0x00002707","0x00000000","0x00002707","0x00002781"]
+-- Resuming
+
+{-# LANGUAGE OverloadedStrings #-}
+module Main where
+
+import Prelude
+import Control.Applicative
+import Network.Socket
+import System.IO.Streams.Core hiding (connect)
+import System.IO.Streams.Network
+import System.IO.Streams.Attoparsec
+import Data.Attoparsec.ByteString.Char8
+import Data.Attoparsec.Combinator
+import Data.ByteString.Char8 hiding (putStrLn, concat, map)
+import Text.Printf
+
+ocdReply = manyTill anyChar (char '\x1a')
+
+ocdExec (oistream, oostream) command = do
+  write (Just $ pack $ command ++ "\x1a") oostream
+  parseFromStream ocdReply oistream
+
+-- For each line: dispose of address, then match hex values
+mdwParser = (manyTill anyChar (string ": ") *>
+              hexadecimal `sepBy` char ' ')
+            `sepBy` string " \n"
+
+ocdMdw :: (InputStream ByteString, OutputStream ByteString) -> Integer -> Integer -> IO [Integer]
+ocdMdw s start count = do
+  s <- ocdExec s $ "ocd_mdw " ++ show start ++ " " ++ show count
+  case parseOnly mdwParser (pack s) of
+    Right r -> return $ concat r
+
+main = do
+  osock <- socket AF_INET Stream defaultProtocol
+  haddr <- inet_addr "127.0.0.1"
+  connect osock (SockAddrInet 6666 haddr)
+  ostreams <- socketToStreams osock
+  putStrLn "Halting the target, full log output captured:"
+  ocdExec ostreams "capture \"halt\"" >>= putStrLn
+  putStrLn "Read memory, parse the result and show as a list of strings:"
+  ocdMdw ostreams 0 16 >>= putStrLn . (show :: [String] -> String) . map (printf "0x%08x")
+  putStrLn "Resuming"
+  ocdExec ostreams "resume"

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/086106eb/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rtos-helpers/FreeRTOS-openocd.c
----------------------------------------------------------------------
diff --git a/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rtos-helpers/FreeRTOS-openocd.c b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rtos-helpers/FreeRTOS-openocd.c
new file mode 100755
index 0000000..81a3ab7
--- /dev/null
+++ b/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/contrib/rtos-helpers/FreeRTOS-openocd.c
@@ -0,0 +1,20 @@
+/*
+ * Since at least FreeRTOS V7.5.3 uxTopUsedPriority is no longer
+ * present in the kernel, so it has to be supplied by other means for
+ * OpenOCD's threads awareness.
+ *
+ * Add this file to your project, and, if you're using --gc-sections,
+ * ``--undefined=uxTopUsedPriority'' (or
+ * ``-Wl,--undefined=uxTopUsedPriority'' when using gcc for final
+ * linking) to your LDFLAGS; same with all the other symbols you need.
+ */
+
+#include "FreeRTOS.h"
+
+#ifdef __GNUC__
+#define USED __attribute__((used))
+#else
+#define USED
+#endif
+
+const int USED uxTopUsedPriority = configMAX_PRIORITIES - 1;


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