diff options
| -rw-r--r-- | src/jtag/zy1000/jtag_minidriver.h | 7 | ||||
| -rw-r--r-- | src/jtag/zy1000/zy1000.c | 360 |
2 files changed, 340 insertions, 27 deletions
diff --git a/src/jtag/zy1000/jtag_minidriver.h b/src/jtag/zy1000/jtag_minidriver.h index 43d0c975..d556699a 100644 --- a/src/jtag/zy1000/jtag_minidriver.h +++ b/src/jtag/zy1000/jtag_minidriver.h @@ -38,8 +38,11 @@ int diag_printf(const char *fmt, ...); #else /* redirect this to TCP/IP */ -#define ZY1000_PEEK(a, b) b = 1; -#define ZY1000_POKE(a, b) +#define ZY1000_JTAG_BASE 0 +extern void zy1000_tcpout(uint32_t address, uint32_t data); +extern uint32_t zy1000_tcpin(uint32_t address); +#define ZY1000_PEEK(a, b) b=zy1000_tcpin(a) +#define ZY1000_POKE(a, b) zy1000_tcpout(a, b) #endif diff --git a/src/jtag/zy1000/zy1000.c b/src/jtag/zy1000/zy1000.c index 907b9657..80731aab 100644 --- a/src/jtag/zy1000/zy1000.c +++ b/src/jtag/zy1000/zy1000.c @@ -50,6 +50,7 @@ #include <jtag/interface.h> #include <time.h> +#include <netinet/tcp.h> #if BUILD_ECOSBOARD #include "zy1000_version.h" @@ -262,6 +263,18 @@ COMMAND_HANDLER(handle_power_command) return ERROR_OK; } +#if !BUILD_ECOSBOARD +static char *tcp_server = "notspecified"; +static int jim_zy1000_server(Jim_Interp *interp, int argc, Jim_Obj *const *argv) +{ + if (argc != 2) + return JIM_ERR; + + tcp_server = strdup(Jim_GetString(argv[1], NULL)); + + return JIM_OK; +} +#endif #if BUILD_ECOSBOARD /* Give TELNET a way to find out what version this is */ @@ -415,25 +428,6 @@ zylinjtag_Jim_Command_powerstatus(Jim_Interp *interp, - -int zy1000_init(void) -{ -#if BUILD_ECOSBOARD - LOG_USER("%s", ZYLIN_OPENOCD_VERSION); -#endif - - ZY1000_POKE(ZY1000_JTAG_BASE + 0x10, 0x30); // Turn on LED1 & LED2 - - setPower(true); // on by default - - - /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */ - zy1000_reset(0, 0); - zy1000_speed(jtag_get_speed()); - - return ERROR_OK; -} - int zy1000_quit(void) { @@ -710,12 +704,6 @@ int interface_jtag_add_clocks(int num_cycles) return zy1000_jtag_add_clocks(num_cycles, cmd_queue_cur_state, cmd_queue_cur_state); } -int interface_jtag_add_sleep(uint32_t us) -{ - jtag_sleep(us); - return ERROR_OK; -} - int interface_add_tms_seq(unsigned num_bits, const uint8_t *seq, enum tap_state state) { /*wait for the fifo to be empty*/ @@ -967,6 +955,14 @@ static const struct command_registration zy1000_commands[] = { .help = "Print version info for zy1000.", .usage = "['openocd'|'zy1000'|'date'|'time'|'pcb'|'fpga']", }, +#else + { + .name = "zy1000_server", + .mode = COMMAND_ANY, + .jim_handler = jim_zy1000_server, + .help = "Tcpip address for ZY1000 server.", + .usage = "address", + }, #endif { .name = "powerstatus", @@ -987,6 +983,320 @@ static const struct command_registration zy1000_commands[] = { }; +static int tcp_ip = -1; + +/* Write large packets if we can */ +static size_t out_pos; +static uint8_t out_buffer[16384]; +static size_t in_pos; +static size_t in_write; +static uint8_t in_buffer[16384]; + +static bool flush_writes(void) +{ + bool ok = (write(tcp_ip, out_buffer, out_pos) == (int)out_pos); + out_pos = 0; + return ok; +} + +static bool writeLong(uint32_t l) +{ + int i; + for (i = 0; i < 4; i++) + { + uint8_t c = (l >> (i*8))&0xff; + out_buffer[out_pos++] = c; + if (out_pos >= sizeof(out_buffer)) + { + if (!flush_writes()) + { + return false; + } + } + } + return true; +} + +static bool readLong(uint32_t *out_data) +{ + if (out_pos > 0) + { + if (!flush_writes()) + { + return false; + } + } + + uint32_t data = 0; + int i; + for (i = 0; i < 4; i++) + { + uint8_t c; + if (in_pos == in_write) + { + /* read more */ + int t; + t = read(tcp_ip, in_buffer, sizeof(in_buffer)); + if (t < 1) + { + return false; + } + in_write = (size_t) t; + in_pos = 0; + } + c = in_buffer[in_pos++]; + + data |= (c << (i*8)); + } + *out_data = data; + return true; +} + +enum ZY1000_CMD +{ + ZY1000_CMD_POKE = 0x0, + ZY1000_CMD_PEEK = 0x8, + ZY1000_CMD_SLEEP = 0x1, +}; + + +#if !BUILD_ECOSBOARD + +#include <sys/socket.h> /* for socket(), connect(), send(), and recv() */ +#include <arpa/inet.h> /* for sockaddr_in and inet_addr() */ + +/* We initialize this late since we need to know the server address + * first. + */ +static void tcpip_open(void) +{ + if (tcp_ip >= 0) + return; + + struct sockaddr_in echoServAddr; /* Echo server address */ + + /* Create a reliable, stream socket using TCP */ + if ((tcp_ip = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) + { + fprintf(stderr, "Failed to connect to zy1000 server\n"); + exit(-1); + } + + /* Construct the server address structure */ + memset(&echoServAddr, 0, sizeof(echoServAddr)); /* Zero out structure */ + echoServAddr.sin_family = AF_INET; /* Internet address family */ + echoServAddr.sin_addr.s_addr = inet_addr(tcp_server); /* Server IP address */ + echoServAddr.sin_port = htons(7777); /* Server port */ + + /* Establish the connection to the echo server */ + if (connect(tcp_ip, (struct sockaddr *) &echoServAddr, sizeof(echoServAddr)) < 0) + { + fprintf(stderr, "Failed to connect to zy1000 server\n"); + exit(-1); + } + + int flag = 1; + setsockopt(tcp_ip, /* socket affected */ + IPPROTO_TCP, /* set option at TCP level */ + TCP_NODELAY, /* name of option */ + (char *)&flag, /* the cast is historical cruft */ + sizeof(int)); /* length of option value */ + +} + + +/* send a poke */ +void zy1000_tcpout(uint32_t address, uint32_t data) +{ + tcpip_open(); + if (!writeLong((ZY1000_CMD_POKE << 24) | address)|| + !writeLong(data)) + { + fprintf(stderr, "Could not write to zy1000 server\n"); + exit(-1); + } +} + +uint32_t zy1000_tcpin(uint32_t address) +{ + tcpip_open(); + uint32_t data; + if (!writeLong((ZY1000_CMD_PEEK << 24) | address)|| + !readLong(&data)) + { + fprintf(stderr, "Could not read from zy1000 server\n"); + exit(-1); + } + return data; +} + +int interface_jtag_add_sleep(uint32_t us) +{ + tcpip_open(); + if (!writeLong((ZY1000_CMD_SLEEP << 24))|| + !writeLong(us)) + { + fprintf(stderr, "Could not read from zy1000 server\n"); + exit(-1); + } + return ERROR_OK; +} + + +#endif + +#if BUILD_ECOSBOARD +static char tcpip_stack[2048]; + +static cyg_thread tcpip_thread_object; +static cyg_handle_t tcpip_thread_handle; + +/* Infinite loop peeking & poking */ +static void tcpipserver(void) +{ + for (;;) + { + uint32_t address; + if (!readLong(&address)) + return; + enum ZY1000_CMD c = (address >> 24) & 0xff; + address &= 0xffffff; + switch (c) + { + case ZY1000_CMD_POKE: + { + uint32_t data; + if (!readLong(&data)) + return; + address &= ~0x80000000; + ZY1000_POKE(address + ZY1000_JTAG_BASE, data); + break; + } + case ZY1000_CMD_PEEK: + { + uint32_t data; + ZY1000_PEEK(address + ZY1000_JTAG_BASE, data); + if (!writeLong(data)) + return; + break; + } + case ZY1000_CMD_SLEEP: + { + uint32_t data; + if (!readLong(&data)) + return; + jtag_sleep(data); + break; + } + default: + return; + } + } +} + + +static void tcpip_server(cyg_addrword_t data) +{ + int so_reuseaddr_option = 1; + + int fd; + if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) + { + LOG_ERROR("error creating socket: %s", strerror(errno)); + exit(-1); + } + + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option, + sizeof(int)); + + struct sockaddr_in sin; + unsigned int address_size; + address_size = sizeof(sin); + memset(&sin, 0, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = INADDR_ANY; + sin.sin_port = htons(7777); + + if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1) + { + LOG_ERROR("couldn't bind to socket: %s", strerror(errno)); + exit(-1); + } + + if (listen(fd, 1) == -1) + { + LOG_ERROR("couldn't listen on socket: %s", strerror(errno)); + exit(-1); + } + + + for (;;) + { + tcp_ip = accept(fd, (struct sockaddr *) &sin, &address_size); + if (tcp_ip < 0) + { + continue; + } + + int flag = 1; + setsockopt(tcp_ip, /* socket affected */ + IPPROTO_TCP, /* set option at TCP level */ + TCP_NODELAY, /* name of option */ + (char *)&flag, /* the cast is historical cruft */ + sizeof(int)); /* length of option value */ + + bool save_poll = jtag_poll_get_enabled(); + + /* polling will screw up the "connection" */ + jtag_poll_set_enabled(false); + + tcpipserver(); + + jtag_poll_set_enabled(save_poll); + + close(tcp_ip); + + } + close(fd); + +} + +int interface_jtag_add_sleep(uint32_t us) +{ + jtag_sleep(us); + return ERROR_OK; +} + +#endif + + +int zy1000_init(void) +{ +#if BUILD_ECOSBOARD + LOG_USER("%s", ZYLIN_OPENOCD_VERSION); +#endif + + ZY1000_POKE(ZY1000_JTAG_BASE + 0x10, 0x30); // Turn on LED1 & LED2 + + setPower(true); // on by default + + + /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */ + zy1000_reset(0, 0); + zy1000_speed(jtag_get_speed()); + + +#if BUILD_ECOSBOARD + cyg_thread_create(1, tcpip_server, (cyg_addrword_t) 0, "tcip/ip server", + (void *) tcpip_stack, sizeof(tcpip_stack), + &tcpip_thread_handle, &tcpip_thread_object); + cyg_thread_resume(tcpip_thread_handle); +#endif + + return ERROR_OK; +} + + struct jtag_interface zy1000_interface = { |