From: kc8apf Date: Wed, 22 Apr 2009 06:55:34 +0000 (+0000) Subject: refactor jlink_execute_queue courtesy of Zach Welch X-Git-Tag: v0.2.0~1003 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f13f52d303d9f338bbb27f604ce57f4bb728f915;p=openocd refactor jlink_execute_queue courtesy of Zach Welch git-svn-id: svn://svn.berlios.de/openocd/trunk@1500 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- diff --git a/src/jtag/jlink.c b/src/jtag/jlink.c index d6819687..022afe5f 100644 --- a/src/jtag/jlink.c +++ b/src/jtag/jlink.c @@ -130,95 +130,113 @@ jtag_interface_t jlink_interface = .quit = jlink_quit }; -static int jlink_execute_queue(void) +static void jlink_execute_end_state(jtag_command_t *cmd) +{ + DEBUG_JTAG_IO("end_state: %i", cmd->cmd.end_state->end_state); + + if (cmd->cmd.end_state->end_state != TAP_INVALID) + jlink_end_state(cmd->cmd.end_state->end_state); +} + +static void jlink_execute_runtest(jtag_command_t *cmd) +{ + DEBUG_JTAG_IO("runtest %i cycles, end in %i", + cmd->cmd.runtest->num_cycles, + cmd->cmd.runtest->end_state); + + if (cmd->cmd.runtest->end_state != TAP_INVALID) + jlink_end_state(cmd->cmd.runtest->end_state); + + jlink_runtest(cmd->cmd.runtest->num_cycles); +} + +static void jlink_execute_statemove(jtag_command_t *cmd) +{ + DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state); + + if (cmd->cmd.statemove->end_state != TAP_INVALID) + { + jlink_end_state(cmd->cmd.statemove->end_state); + } + jlink_state_move(); +} + +static void jlink_execute_pathmove(jtag_command_t *cmd) +{ + DEBUG_JTAG_IO("pathmove: %i states, end in %i", + cmd->cmd.pathmove->num_states, + cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]); + + jlink_path_move(cmd->cmd.pathmove->num_states, + cmd->cmd.pathmove->path); +} + +static void jlink_execute_scan(jtag_command_t *cmd) { - jtag_command_t *cmd = jtag_command_queue; int scan_size; enum scan_type type; u8 *buffer; - while (cmd != NULL) - { - switch (cmd->type) - { - case JTAG_END_STATE: - DEBUG_JTAG_IO("end_state: %i", cmd->cmd.end_state->end_state); - - if (cmd->cmd.end_state->end_state != TAP_INVALID) - { - jlink_end_state(cmd->cmd.end_state->end_state); - } - break; - - case JTAG_RUNTEST: - DEBUG_JTAG_IO( "runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, \ - cmd->cmd.runtest->end_state); - - if (cmd->cmd.runtest->end_state != TAP_INVALID) - { - jlink_end_state(cmd->cmd.runtest->end_state); - } - jlink_runtest(cmd->cmd.runtest->num_cycles); - break; - - case JTAG_STATEMOVE: - DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state); - - if (cmd->cmd.statemove->end_state != TAP_INVALID) - { - jlink_end_state(cmd->cmd.statemove->end_state); - } - jlink_state_move(); - break; - - case JTAG_PATHMOVE: - DEBUG_JTAG_IO("pathmove: %i states, end in %i", \ - cmd->cmd.pathmove->num_states, \ - cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]); - - jlink_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path); - break; - - case JTAG_SCAN: - DEBUG_JTAG_IO("scan end in %i", cmd->cmd.scan->end_state); - - if (cmd->cmd.scan->end_state != TAP_INVALID) - { - jlink_end_state(cmd->cmd.scan->end_state); - } - - scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); - DEBUG_JTAG_IO("scan input, length = %d", scan_size); + DEBUG_JTAG_IO("scan end in %i", cmd->cmd.scan->end_state); + + if (cmd->cmd.scan->end_state != TAP_INVALID) + jlink_end_state(cmd->cmd.scan->end_state); + + scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); + DEBUG_JTAG_IO("scan input, length = %d", scan_size); #ifdef _DEBUG_USB_COMMS_ - jlink_debug_buffer(buffer, (scan_size + 7) / 8); + jlink_debug_buffer(buffer, (scan_size + 7) / 8); #endif - type = jtag_scan_type(cmd->cmd.scan); - jlink_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size, cmd->cmd.scan); - break; - - case JTAG_RESET: - DEBUG_JTAG_IO("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst); - - jlink_tap_execute(); - - if (cmd->cmd.reset->trst == 1) - { - tap_set_state(TAP_RESET); - } - jlink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst); - break; - - case JTAG_SLEEP: - DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us); - jlink_tap_execute(); - jtag_sleep(cmd->cmd.sleep->us); - break; - - default: - LOG_ERROR("BUG: unknown JTAG command type encountered"); - exit(-1); - } + type = jtag_scan_type(cmd->cmd.scan); + jlink_scan(cmd->cmd.scan->ir_scan, + type, buffer, scan_size, cmd->cmd.scan); +} + +static void jlink_execute_reset(jtag_command_t *cmd) +{ + DEBUG_JTAG_IO("reset trst: %i srst %i", + cmd->cmd.reset->trst, cmd->cmd.reset->srst); + + jlink_tap_execute(); + + if (cmd->cmd.reset->trst == 1) + tap_set_state(TAP_RESET); + + jlink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst); +} + +static void jlink_execute_sleep(jtag_command_t *cmd) +{ + DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us); + jlink_tap_execute(); + jtag_sleep(cmd->cmd.sleep->us); +} + +static void jlink_execute_command(jtag_command_t *cmd) +{ + switch (cmd->type) + { + case JTAG_END_STATE: jlink_execute_end_state(cmd); break; + case JTAG_RUNTEST: jlink_execute_runtest(cmd); break; + case JTAG_STATEMOVE: jlink_execute_statemove(cmd); break; + case JTAG_PATHMOVE: jlink_execute_pathmove(cmd); break; + case JTAG_SCAN: jlink_execute_scan(cmd); break; + case JTAG_RESET: jlink_execute_reset(cmd); break; + case JTAG_SLEEP: jlink_execute_sleep(cmd); break; + default: + LOG_ERROR("BUG: unknown JTAG command type encountered"); + exit(-1); + } +} + +static int jlink_execute_queue(void) +{ + jtag_command_t *cmd = jtag_command_queue; + + while (cmd != NULL) + { + jlink_execute_command(cmd); cmd = cmd->next; }