src: add loader src description

- add comment where to find the various loaders src files.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

src/flash/nor/pic32mx.c

@@ -227,6 +227,8 @@ static int pic32mx_protect(struct flash_bank *bank, int set, int first, int last
 	return ERROR_OK;
 }
 
+/* see contib/loaders/flash/pic32mx.s for src */
+
 static const uint32_t pic32mx_flash_write_code[] = {
 					/* write: */
 	0x3C08AA99,		/* lui $t0, 0xaa99 */

src/flash/nor/stellaris.c

@@ -773,6 +773,8 @@ static int stellaris_protect(struct flash_bank *bank, int set, int first, int la
 	return ERROR_OK;
 }
 
+/* see contib/loaders/flash/stellaris.s for src */
+
 static const uint8_t stellaris_write_code[] =
 {
 /*

src/flash/nor/stm32x.c

@@ -446,6 +446,8 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
 	struct armv7m_algorithm armv7m_info;
 	int retval = ERROR_OK;
 
+	/* see contib/loaders/flash/stm32x.s for src */
+
 	static const uint8_t stm32x_flash_write_code[] = {
 									/* write: */
 		0xDF, 0xF8, 0x24, 0x40,		/* ldr	r4, STM32_FLASH_CR */
@@ -462,6 +464,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
 		0x01, 0xD1,					/* bne	exit */
 		0x01, 0x3A,					/* subs	r2, r2, #1 */
 		0xED, 0xD1,					/* bne	write */
+									/* exit: */
 		0x00, 0xBE,     			/* bkpt #0 */
 		0x10, 0x20, 0x02, 0x40,		/* STM32_FLASH_CR:	.word 0x40022010 */
 		0x0C, 0x20, 0x02, 0x40		/* STM32_FLASH_SR:	.word 0x4002200C */

src/flash/nor/str7x.c

@@ -406,6 +406,8 @@ static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer,
 	struct arm_algorithm armv4_5_info;
 	int retval = ERROR_OK;
 
+	/* see contib/loaders/flash/str7x.s for src */
+
 	static const uint32_t str7x_flash_write_code[] = {
 					/* write:				*/
 		0xe3a04201, /*	mov r4, #0x10000000	*/

src/flash/nor/str9x.c

@@ -364,6 +364,8 @@ static int str9x_write_block(struct flash_bank *bank,
 	struct arm_algorithm armv4_5_info;
 	int retval = ERROR_OK;
 
+	/* see contib/loaders/flash/str9x.s for src */
+
 	static const uint32_t str9x_flash_write_code[] = {
 					/* write:				*/
 		0xe3c14003,	/*	bic	r4, r1, #3		*/

src/target/armv4_5.c

@@ -1307,6 +1307,8 @@ int arm_checksum_memory(struct target *target,
 	uint32_t i;
 	uint32_t exit_var = 0;
 
+	/* see contib/loaders/checksum/armv4_5_crc.s for src */
+
 	static const uint32_t arm_crc_code[] = {
 		0xE1A02000,		/* mov		r2, r0 */
 		0xE3E00000,		/* mov		r0, #0xffffffff */

src/target/armv7m.c

@@ -562,6 +562,8 @@ int armv7m_checksum_memory(struct target *target,
 	struct reg_param reg_params[2];
 	int retval;
 
+	/* see contib/loaders/checksum/armv7m_crc.s for src */
+
 	static const uint16_t cortex_m3_crc_code[] = {
 		0x4602,					/* mov	r2, r0 */
 		0xF04F, 0x30FF,			/* mov	r0, #0xffffffff */

src/target/mips32.c

@@ -613,6 +613,8 @@ int mips32_checksum_memory(struct target *target, uint32_t address,
 	int retval;
 	uint32_t i;
 
+	/* see contib/loaders/checksum/mips32.s for src */
+
 	static const uint32_t mips_crc_code[] =
 	{
 		0x248C0000,		/* addiu 	$t4, $a0, 0 */