X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fgw16012.c;h=af5776755d4e211c0c452fb1ca8ef8ac6d17d01f;hp=6210a52c48821527901685a16ced649d48c766e5;hb=0bba832713cca8e5931d5d21f37f526d0a3979cf;hpb=e9297b40b994f071474210e7d9e224d50e25fcaf diff --git a/src/jtag/gw16012.c b/src/jtag/gw16012.c index 6210a52c48..af5776755d 100644 --- a/src/jtag/gw16012.c +++ b/src/jtag/gw16012.c @@ -25,11 +25,13 @@ #include "jtag.h" -/* system includes */ +#if 1 +#define _DEBUG_GW16012_IO_ +#endif /* system includes */ -// -ino: 060521-1036 -#ifdef __FreeBSD__ +/* -ino: 060521-1036 */ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include #include @@ -39,22 +41,17 @@ #else -#ifndef _WIN32 -#include -#else +#ifdef _WIN32 #include "errno.h" #endif /* _WIN32 */ -#endif /* __FreeBSD__ */ +#endif /* __FreeBSD__, __FreeBSD_kernel__ */ #include #include -#include -#include - #if PARPORT_USE_PPDEV == 1 -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include #include #define PPRSTATUS PPIGSTATUS @@ -65,20 +62,23 @@ #endif #include #include +#else /* not PARPORT_USE_PPDEV */ +#ifndef _WIN32 +#include +#endif #endif #if PARPORT_USE_GIVEIO == 1 #if IS_CYGWIN == 1 #include #include -#undef ERROR #endif #endif #include "log.h" /* configuration */ -unsigned long gw16012_port; +u16 gw16012_port; /* interface variables */ @@ -97,15 +97,13 @@ int gw16012_quit(void); int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -jtag_interface_t gw16012_interface = +jtag_interface_t gw16012_interface = { .name = "gw16012", - - .execute_queue = gw16012_execute_queue, - .support_pathmove = 0, + .execute_queue = gw16012_execute_queue, - .speed = gw16012_speed, + .speed = gw16012_speed, .register_commands = gw16012_register_commands, .init = gw16012_init, .quit = gw16012_quit, @@ -115,7 +113,7 @@ int gw16012_register_commands(struct command_context_s *cmd_ctx) { register_command(cmd_ctx, NULL, "parport_port", gw16012_handle_parport_port_command, COMMAND_CONFIG, NULL); - + return ERROR_OK; } @@ -123,16 +121,20 @@ void gw16012_data(u8 value) { value = (value & 0x7f) | gw16012_msb; gw16012_msb ^= 0x80; /* toggle MSB */ - + +#ifdef _DEBUG_GW16012_IO_ + LOG_DEBUG("%2.2x", value); +#endif + #if PARPORT_USE_PPDEV == 1 ioctl(device_handle, PPWDATA, &value); #else - #ifdef __FreeBSD__ + #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) outb(gw16012_port, value); #else outb(value, gw16012_port); #endif - #endif + #endif } void gw16012_control(u8 value) @@ -141,10 +143,14 @@ void gw16012_control(u8 value) { gw16012_control_value = value; +#ifdef _DEBUG_GW16012_IO_ + LOG_DEBUG("%2.2x", gw16012_control_value); +#endif + #if PARPORT_USE_PPDEV == 1 ioctl(device_handle, PPWCONTROL, &gw16012_control_value); #else - #ifdef __FreeBSD__ + #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) outb(gw16012_port + 2, gw16012_control_value); #else outb(gw16012_control_value, gw16012_port + 2); @@ -160,12 +166,16 @@ void gw16012_input(u8 *value) #else *value = inb(gw16012_port + 1); #endif + +#ifdef _DEBUG_GW16012_IO_ + LOG_DEBUG("%2.2x", *value); +#endif } /* (1) assert or (0) deassert reset lines */ void gw16012_reset(int trst, int srst) { - DEBUG("trst: %i, srst: %i", trst, srst); + LOG_DEBUG("trst: %i, srst: %i", trst, srst); if (trst == 0) gw16012_control(0x0d); @@ -184,13 +194,13 @@ int gw16012_speed(int speed) return ERROR_OK; } -void gw16012_end_state(state) +void gw16012_end_state(int state) { - if (tap_move_map[state] != -1) - end_state = state; + if (tap_is_state_stable(state)) + tap_set_end_state(state); else { - ERROR("BUG: %i is not a valid end state", state); + LOG_ERROR("BUG: %i is not a valid end state", state); exit(-1); } } @@ -198,39 +208,70 @@ void gw16012_end_state(state) void gw16012_state_move(void) { int i=0, tms=0; - u8 tms_scan = TAP_MOVE(cur_state, end_state); - + u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state()); + gw16012_control(0x0); /* single-bit mode */ - + for (i = 0; i < 7; i++) { tms = (tms_scan >> i) & 1; gw16012_data(tms << 1); /* output next TMS bit */ } - - cur_state = end_state; + + tap_set_state(tap_get_end_state()); +} + +void gw16012_path_move(pathmove_command_t *cmd) +{ + int num_states = cmd->num_states; + int state_count; + + state_count = 0; + while (num_states) + { + gw16012_control(0x0); /* single-bit mode */ + if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count]) + { + gw16012_data(0x0); /* TCK cycle with TMS low */ + } + else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count]) + { + gw16012_data(0x2); /* TCK cycle with TMS high */ + } + else + { + LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count])); + exit(-1); + } + + tap_set_state(cmd->path[state_count]); + state_count++; + num_states--; + } + + tap_set_end_state(tap_get_state()); } void gw16012_runtest(int num_cycles) { - enum tap_state saved_end_state = end_state; + tap_state_t saved_end_state = tap_get_end_state(); int i; - - /* only do a state_move when we're not already in RTI */ - if (cur_state != TAP_RTI) + + /* only do a state_move when we're not already in IDLE */ + if (tap_get_state() != TAP_IDLE) { - gw16012_end_state(TAP_RTI); + gw16012_end_state(TAP_IDLE); gw16012_state_move(); } - + for (i = 0; i < num_cycles; i++) { gw16012_control(0x0); /* single-bit mode */ gw16012_data(0x0); /* TMS cycle with TMS low */ } - + gw16012_end_state(saved_end_state); - if (cur_state != end_state) + if (tap_get_state() != tap_get_end_state()) gw16012_state_move(); } @@ -238,16 +279,20 @@ void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size) { int bits_left = scan_size; int bit_count = 0; - enum tap_state saved_end_state = end_state; + tap_state_t saved_end_state = tap_get_end_state(); u8 scan_out, scan_in; - if (ir_scan) - gw16012_end_state(TAP_SI); - else - gw16012_end_state(TAP_SD); + /* only if we're not already in the correct Shift state */ + if (!((!ir_scan && (tap_get_state() == TAP_DRSHIFT)) || (ir_scan && (tap_get_state() == TAP_IRSHIFT)))) + { + if (ir_scan) + gw16012_end_state(TAP_IRSHIFT); + else + gw16012_end_state(TAP_DRSHIFT); - gw16012_state_move(); - gw16012_end_state(saved_end_state); + gw16012_state_move(); + gw16012_end_state(saved_end_state); + } while (type == SCAN_OUT && ((bits_left - 1) > 7)) { @@ -257,44 +302,48 @@ void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size) bit_count += 7; bits_left -= 7; } - + gw16012_control(0x0); /* single-bit mode */ while (bits_left-- > 0) { u8 tms = 0; + + scan_out = buf_get_u32(buffer, bit_count, 1); + if (bits_left == 0) /* last bit */ { - if ((ir_scan && (end_state == TAP_SI)) - || (!ir_scan && (end_state == TAP_SD))) + if ((ir_scan && (tap_get_end_state() == TAP_IRSHIFT)) + || (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT))) { - tms = 0; + tms = 0; } else { tms = 2; } } - - scan_out = buf_get_u32(buffer, bit_count, 1); + gw16012_data(scan_out | tms); + if (type != SCAN_OUT) { gw16012_input(&scan_in); buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3)); } + bit_count++; } - if (!((ir_scan && (end_state == TAP_SI)) || - (!ir_scan && (end_state == TAP_SD)))) + if (!((ir_scan && (tap_get_end_state() == TAP_IRSHIFT)) || + (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT)))) { gw16012_data(0x0); if (ir_scan) - cur_state = TAP_PI; + tap_set_state(TAP_IRPAUSE); else - cur_state = TAP_PD; - - if (cur_state != end_state) + tap_set_state(TAP_DRPAUSE); + + if (tap_get_state() != tap_get_end_state()) gw16012_state_move(); } } @@ -305,98 +354,110 @@ int gw16012_execute_queue(void) int scan_size; enum scan_type type; u8 *buffer; - + int retval; + + /* return ERROR_OK, unless a jtag_read_buffer returns a failed check + * that wasn't handled by a caller-provided error handler + */ + retval = ERROR_OK; + while (cmd) { switch (cmd->type) { case JTAG_END_STATE: #ifdef _DEBUG_JTAG_IO_ - DEBUG("end_state: %i", cmd->cmd.end_state->end_state); + LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state); #endif - if (cmd->cmd.end_state->end_state != -1) + if (cmd->cmd.end_state->end_state != TAP_INVALID) gw16012_end_state(cmd->cmd.end_state->end_state); break; case JTAG_RESET: #ifdef _DEBUG_JTAG_IO_ - DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst); + LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst); #endif if (cmd->cmd.reset->trst == 1) { - cur_state = TAP_TLR; + tap_set_state(TAP_RESET); } gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst); break; case JTAG_RUNTEST: #ifdef _DEBUG_JTAG_IO_ - DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state); + LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state); #endif - if (cmd->cmd.runtest->end_state != -1) + if (cmd->cmd.runtest->end_state != TAP_INVALID) gw16012_end_state(cmd->cmd.runtest->end_state); gw16012_runtest(cmd->cmd.runtest->num_cycles); break; case JTAG_STATEMOVE: #ifdef _DEBUG_JTAG_IO_ - DEBUG("statemove end in %i", cmd->cmd.statemove->end_state); + LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state); #endif - if (cmd->cmd.statemove->end_state != -1) + if (cmd->cmd.statemove->end_state != TAP_INVALID) gw16012_end_state(cmd->cmd.statemove->end_state); gw16012_state_move(); break; + case JTAG_PATHMOVE: +#ifdef _DEBUG_JTAG_IO_ + LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]); +#endif + gw16012_path_move(cmd->cmd.pathmove); + break; case JTAG_SCAN: - if (cmd->cmd.scan->end_state != -1) + if (cmd->cmd.scan->end_state != TAP_INVALID) gw16012_end_state(cmd->cmd.scan->end_state); scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); type = jtag_scan_type(cmd->cmd.scan); #ifdef _DEBUG_JTAG_IO_ - DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr", + LOG_DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr", type, scan_size, cmd->cmd.scan->end_state); #endif gw16012_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size); if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK) - return ERROR_JTAG_QUEUE_FAILED; + retval = ERROR_JTAG_QUEUE_FAILED; if (buffer) free(buffer); break; case JTAG_SLEEP: #ifdef _DEBUG_JTAG_IO_ - DEBUG("sleep", cmd->cmd.sleep->us); + LOG_DEBUG("sleep %i", cmd->cmd.sleep->us); #endif jtag_sleep(cmd->cmd.sleep->us); break; default: - ERROR("BUG: unknown JTAG command type encountered"); + LOG_ERROR("BUG: unknown JTAG command type encountered"); exit(-1); } cmd = cmd->next; } - - return ERROR_OK; + + return retval; } #if PARPORT_USE_GIVEIO == 1 int gw16012_get_giveio_access() { - HANDLE h; - OSVERSIONINFO version; - - version.dwOSVersionInfoSize = sizeof version; - if (!GetVersionEx( &version )) { - errno = EINVAL; - return -1; - } - if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) - return 0; - - h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); - if (h == INVALID_HANDLE_VALUE) { - errno = ENODEV; - return -1; - } - - CloseHandle( h ); - - return 0; + HANDLE h; + OSVERSIONINFO version; + + version.dwOSVersionInfoSize = sizeof version; + if (!GetVersionEx( &version )) { + errno = EINVAL; + return -1; + } + if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) + return 0; + + h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); + if (h == INVALID_HANDLE_VALUE) { + errno = ENODEV; + return -1; + } + + CloseHandle( h ); + + return 0; } #endif @@ -405,41 +466,40 @@ int gw16012_init(void) #if PARPORT_USE_PPDEV == 1 char buffer[256]; int i = 0; - u8 control_port; #endif u8 status_port; - + #if PARPORT_USE_PPDEV == 1 if (device_handle>0) { - ERROR("device is already opened"); + LOG_ERROR("device is already opened"); return ERROR_JTAG_INIT_FAILED; } -#ifdef __FreeBSD__ - DEBUG("opening /dev/ppi%d...", gw16012_port); +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + LOG_DEBUG("opening /dev/ppi%d...", gw16012_port); snprintf(buffer, 256, "/dev/ppi%d", gw16012_port); device_handle = open(buffer, O_WRONLY); #else - DEBUG("opening /dev/parport%d...", gw16012_port); + LOG_DEBUG("opening /dev/parport%d...", gw16012_port); snprintf(buffer, 256, "/dev/parport%d", gw16012_port); device_handle = open(buffer, O_WRONLY); -#endif +#endif if (device_handle<0) { - ERROR("cannot open device. check it exists and that user read and write rights are set"); + LOG_ERROR("cannot open device. check it exists and that user read and write rights are set"); return ERROR_JTAG_INIT_FAILED; } - DEBUG("...open"); + LOG_DEBUG("...open"); -#ifndef __FreeBSD__ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) i=ioctl(device_handle, PPCLAIM); if (i<0) { - ERROR("cannot claim device"); + LOG_ERROR("cannot claim device"); return ERROR_JTAG_INIT_FAILED; } @@ -447,7 +507,7 @@ int gw16012_init(void) i= ioctl(device_handle, PPSETMODE, & i); if (i<0) { - ERROR(" cannot set compatible mode to device"); + LOG_ERROR(" cannot set compatible mode to device"); return ERROR_JTAG_INIT_FAILED; } @@ -455,7 +515,7 @@ int gw16012_init(void) i = ioctl(device_handle, PPNEGOT, & i); if (i<0) { - ERROR("cannot set compatible 1284 mode to device"); + LOG_ERROR("cannot set compatible 1284 mode to device"); return ERROR_JTAG_INIT_FAILED; } #endif @@ -463,34 +523,41 @@ int gw16012_init(void) if (gw16012_port == 0) { gw16012_port = 0x378; - WARNING("No gw16012 port specified, using default '0x378' (LPT1)"); + LOG_WARNING("No gw16012 port specified, using default '0x378' (LPT1)"); } - - DEBUG("requesting privileges for parallel port 0x%x...", gw16012_port); + + LOG_DEBUG("requesting privileges for parallel port 0x%lx...", (long unsigned)(gw16012_port) ); #if PARPORT_USE_GIVEIO == 1 if (gw16012_get_giveio_access() != 0) #else /* PARPORT_USE_GIVEIO */ if (ioperm(gw16012_port, 3, 1) != 0) #endif /* PARPORT_USE_GIVEIO */ { - ERROR("missing privileges for direct i/o"); + LOG_ERROR("missing privileges for direct i/o"); return ERROR_JTAG_INIT_FAILED; } - DEBUG("...privileges granted"); + LOG_DEBUG("...privileges granted"); + + /* make sure parallel port is in right mode (clear tristate and interrupt */ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + outb(gw16012_port + 2, 0x0); +#else + outb(0x0, gw16012_port + 2); +#endif #endif /* PARPORT_USE_PPDEV */ - + gw16012_input(&status_port); gw16012_msb = (status_port & 0x80) ^ 0x80; - + gw16012_speed(jtag_speed); gw16012_reset(0, 0); - + return ERROR_OK; } int gw16012_quit(void) { - + return ERROR_OK; }