X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fjtag.h;h=84290ca7e189c0fc7288b4fb60618b209116d4db;hb=71d76b0a74bee78bd9aade2957e92c6b420372b9;hp=e0e670660b495ba71fb9b7e646098984c6018901;hpb=8c77f7c69c7c849412af0ca2ccfbdbd143f95832;p=openocd.git diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h index e0e670660b..84290ca7e1 100644 --- a/src/jtag/jtag.h +++ b/src/jtag/jtag.h @@ -277,7 +277,7 @@ typedef struct scan_field_s /* internal work space */ int allocated; /* in_value has been allocated for the queue */ int modified; /* did we modify the in_value? */ - u32 intmp; /* temporary storage for checking synchronously */ + u8 intmp[4]; /* temporary storage for checking synchronously */ } scan_field_t; enum scan_type { @@ -565,12 +565,28 @@ extern void jtag_add_ir_scan_noverify(int num_fields, scan_field_t *fields, tap_ extern int interface_jtag_add_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate); extern void jtag_add_dr_scan(int num_fields, scan_field_t* fields, tap_state_t endstate); +/* set in_value to point to 32 bits of memory to scan into. This function + * is a way to handle the case of synchronous and asynchronous + * JTAG queues. + * + * In the event of an asynchronous queue execution the queue buffer + * allocation method is used, for the synchronous case the temporary 32 bits come + * from the input field itself. + */ + +#ifndef HAVE_JTAG_MINIDRIVER_H +extern void jtag_alloc_in_value32(scan_field_t *field); +#else +static __inline__ void jtag_alloc_in_value32(scan_field_t *field) +{ + field->in_value=field->intmp; +} +#endif + + + /* This version of jtag_add_dr_scan() uses the check_value/mask fields */ extern void jtag_add_dr_scan_check(int num_fields, scan_field_t* fields, tap_state_t endstate); -/* same as jtag_add_dr_scan but the scan is executed immediately. sets jtag_error if there - * was a failure. - */ -extern void jtag_add_dr_scan_now(int num_fields, scan_field_t* fields, tap_state_t endstate); extern int interface_jtag_add_dr_scan(int num_fields, scan_field_t* fields, tap_state_t endstate); extern void jtag_add_plain_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate); extern int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate); @@ -593,7 +609,7 @@ extern void jtag_add_callback(jtag_callback1_t, u8 *in); /* This type can store an integer safely by a normal cast on 64 and * 32 bit systems. */ -typedef void *jtag_callback_data_t; +typedef intptr_t jtag_callback_data_t; /* The generic callback mechanism. *