From: Steve Chamberlain Date: Sat, 30 Sep 1995 00:06:55 +0000 (+0000) Subject: * remote-rdp.c (rdp_init): Take out variable baud rate stuff. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b890317e1b15a0e4dc1abe34a6d6cfc6f3e7fd52;p=binutils-gdb.git * remote-rdp.c (rdp_init): Take out variable baud rate stuff. (remote_rdp_detatch): Delete. * breakpoint.c (ctype.h): Don't include twice. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index b9ccf723c4b..6cf6a5329bb 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,19 @@ +Fri Sep 29 02:10:05 1995 steve chamberlain + + * remote-rdp.c (rdp_init): Take out variable baud rate stuff. + (remote_rdp_detatch): Delete. + * breakpoint.c (ctype.h): Don't include twice. + + * Makefile.in (remote-rdp.o): Doesn't need remote-rdp.h + * callback.c (os_printf_filtered): fix protos. + * defs.h (puts_filtered, puts_unfiltered + [v|f|]printf_[un]filtered): Make format arg const. + * remote-rdp.c (rdp_init): Attept to sync at different + baudrates. + * utils.c (puts_filtered, puts_unfiltered + [v|f|]printf_[un]filtered): Define prototypes with + const in the right place. + Thu Sep 28 17:43:39 1995 Per Bothner * defs.h (enum language): Add language_scm. @@ -46,7 +62,7 @@ Thu Sep 28 14:32:11 1995 steve chamberlain (INST_xx): New (FRAME_FIND_SAVED_REGS): Pass the right argument. (arm_get_next_pc): Declare. - * mswin/prebuilt/*/bfdtarget.h (SELECT_ARCHITECTURES): Need leading &. + Wed Sep 27 10:14:36 1995 Per Bothner diff --git a/gdb/remote-rdp.c b/gdb/remote-rdp.c index 93cd4ec2bbb..3cc4c4eed2d 100644 --- a/gdb/remote-rdp.c +++ b/gdb/remote-rdp.c @@ -46,26 +46,32 @@ #else #include #endif - +#include #include #include "symfile.h" #include "remote-utils.h" +#include "gdb_string.h" +#ifdef HAVE_UNISTD_H +#include +#endif + extern struct target_ops remote_rdp_ops; static serial_t io; static host_callback *callback = &default_callback; struct -{ - int step_info; - int break_info; - int model_info; - int target_info; - int can_step; - char command_line[10]; - int rdi_level; - int rdi_stopped_status; -} ds; + { + int step_info; + int break_info; + int model_info; + int target_info; + int can_step; + char command_line[10]; + int rdi_level; + int rdi_stopped_status; + } +ds; @@ -103,8 +109,8 @@ struct #define RDP_FPU_READWRITE_MASK_FPS (1<<8) #define RDP_SET_BREAK 0xa -#define RDP_SET_BREAK_TYPE_PC_EQUAL 0 -#define RDP_SET_BREAK_TYPE_GET_HANDLE (0x10) +#define RDP_SET_BREAK_TYPE_PC_EQUAL 0 +#define RDP_SET_BREAK_TYPE_GET_HANDLE (0x10) #define RDP_CLEAR_BREAK 0xb @@ -153,10 +159,10 @@ static int timeout = 2; static int remote_rdp_xfer_inferior_memory PARAMS ((CORE_ADDR memaddr, - char *myaddr, - int len, - int write, - struct target_ops * target)); + char *myaddr, + int len, + int write, + struct target_ops * target)); /* Stuff for talking to the serial layer. */ @@ -167,7 +173,7 @@ get_byte () int c = SERIAL_READCHAR (io, timeout); if (remote_debug) - printf ("[%02x]", c); + printf ("[%02x]\n", c); if (c == SERIAL_TIMEOUT) { @@ -201,13 +207,13 @@ put_byte (val) char val; { if (remote_debug) - printf("(%02x)", val); + printf ("(%02x)\n", val); SERIAL_WRITE (io, &val, 1); } static void put_word (val) - long val; + int val; { /* We always send in little endian */ unsigned char b[4]; @@ -217,7 +223,7 @@ put_word (val) b[3] = val >> 24; if (remote_debug) - printf("(%04x)", val); + printf ("(%04x)", val); SERIAL_WRITE (io, b, 4); } @@ -226,96 +232,95 @@ put_word (val) /* Stuff for talking to the RDP layer. */ -/* This is a bit more fancy that need be so that it syncs even in nasty cases. */ +/* This is a bit more fancy that need be so that it syncs even in nasty cases. + + I'be been unable to make it reliably sync up with the change + baudrate open command. It likes to sit and say it's been reset, + with no more action. So I took all that code out. I'd rather sync + reliably at 9600 than wait forever for a possible 19200 connection. + */ static void -rdp_init (int cold) +rdp_init (cold, tty) + int cold; + int tty; { - int oloop; int sync = 0; int type = cold ? RDP_OPEN_TYPE_COLD : RDP_OPEN_TYPE_WARM; - int try; - int rcount = 0; - int bi; + int baudtry = 9600; - for (try = 0; !sync && try < 10 ; try++) + time_t now = time (0); + time_t stop_time = now + 10; /* Try and sync for 10 seconds, then give up */ + + + while (time (0) < stop_time && !sync) { int restype; QUIT; - SERIAL_FLUSH_INPUT (io); - put_byte (RDP_OPEN); - if (baud_rate == 19200) - { - put_byte (type | RDP_OPEN_TYPE_RETURN_SEX | RDP_OPEN_TYPE_BAUDRATE); - put_word (0); - put_word (RDP_OPEN_BAUDRATE_19200); - } - else - { - put_byte (type | RDP_OPEN_TYPE_RETURN_SEX); - put_word (0); - } + SERIAL_FLUSH_INPUT (io); + SERIAL_FLUSH_OUTPUT (io); - restype = SERIAL_READCHAR (io, 1); + if (tty) + printf_unfiltered ("Trying to connect at %d baud.\n", baudtry); + put_byte (RDP_OPEN); - if (remote_debug) - printf_unfiltered ("[%02x]\n", restype); + put_byte (type | RDP_OPEN_TYPE_RETURN_SEX); + put_word (0); - if (restype == RDP_RESET) + while (!sync && (restype = SERIAL_READCHAR (io, 1)) > 0) { - put_byte (RDP_RESET); - while ((restype = SERIAL_READCHAR (io, 1)) == RDP_RESET) - ; - while ((restype = SERIAL_READCHAR (io, 1)) > 0) + if (remote_debug) + printf_unfiltered ("[%02x]\n", restype); + + switch (restype) { - printf_unfiltered ("%c", isgraph(restype) ? restype : ' '); - } - while ((restype = SERIAL_READCHAR (io, 1)) > 0) - ; - printf_unfiltered("\n"); - error("board reset, try again.\n"); - continue; - } - - switch (restype) - { - case SERIAL_TIMEOUT: - break; - case RDP_RESET: - /* Ignore a load of these */ - break; - default: - break; - case RDP_RES_VALUE: - { - int resval = SERIAL_READCHAR (io, 1); - switch (resval) + case SERIAL_TIMEOUT: + break; + case RDP_RESET: + while ((restype = SERIAL_READCHAR (io, 1)) == RDP_RESET) + ; + while ((restype = SERIAL_READCHAR (io, 1)) > 0) + { + printf_unfiltered ("%c", isgraph (restype) ? restype : ' '); + } + while ((restype = SERIAL_READCHAR (io, 1)) > 0) + ; + if (tty) + { + printf_unfiltered ("\nThe board has sent notification that it was reset.\n"); + printf_unfiltered ("Waiting for it to settle down...\n"); + } + sleep (3); + if (tty) + printf_unfiltered ("\nTrying again.\n"); + break; + default: + break; + case RDP_RES_VALUE: { - case SERIAL_TIMEOUT: - break; - case RDP_RES_VALUE_LITTLE_ENDIAN: - target_byte_order = LITTLE_ENDIAN; - sync =1 ; - break; - case RDP_RES_VALUE_BIG_ENDIAN: - target_byte_order = BIG_ENDIAN; - sync =1 ; - break; - default: - break; + int resval = SERIAL_READCHAR (io, 1); + switch (resval) + { + case SERIAL_TIMEOUT: + break; + case RDP_RES_VALUE_LITTLE_ENDIAN: + target_byte_order = LITTLE_ENDIAN; + sync = 1; + break; + case RDP_RES_VALUE_BIG_ENDIAN: + target_byte_order = BIG_ENDIAN; + sync = 1; + break; + default: + break; + } } - } + } } } - if (sync) - { - SERIAL_FLUSH_INPUT (io); - SERIAL_SETBAUDRATE (io, baud_rate); - SERIAL_FLUSH_INPUT (io); - } - else + if (!sync) { error ("Couldn't reset the board, try pressing the reset button"); } @@ -495,7 +500,7 @@ rdp_fetch_one_fpu_register (mask, buf) { /* There are 12 bytes long !! fixme about endianness - */ + */ int dummy; /* I've seen these come back as four words !! */ send_rdp ("bbw-SWWWWZ", RDP_COPRO_READ, FPU_COPRO_NUMBER, mask, buf + 0, buf + 4, buf + 8, &dummy); } @@ -552,8 +557,8 @@ rdp_store_one_fpu_register (mask, buf) } #endif } - + /* Convert between GDB requests and the RDP layer. */ static void @@ -787,7 +792,7 @@ exec_swi (swi, args) } -static void +static void handle_swi () { argsin args[3]; @@ -871,7 +876,7 @@ rdp_execute_finish () res = SERIAL_READCHAR (io, 1); while (res == SERIAL_TIMEOUT) { - QUIT ; + QUIT; printf_filtered ("Waiting for target..\n"); res = SERIAL_READCHAR (io, 1); } @@ -984,9 +989,8 @@ remote_rdp_open (args, from_tty) if (!args) error_no_arg ("serial port device name"); - if (baud_rate != 19200) - baud_rate = 9600; - + baud_rate = 9600; + target_preopen (from_tty); io = SERIAL_OPEN (args); @@ -996,7 +1000,7 @@ remote_rdp_open (args, from_tty) SERIAL_RAW (io); - rdp_init (0); + rdp_init (1, from_tty); if (from_tty) @@ -1031,15 +1035,6 @@ remote_rdp_close (quitting) io = 0; } -/* Terminate the open connection to the remote debugger. */ - -static void -remote_rdp_detach (args, from_tty) - char *args; - int from_tty; -{ - pop_target (); -} /* Resume execution of the target process. STEP says whether to single-step or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given @@ -1167,8 +1162,8 @@ static struct yn breakinfo[] = {"watchpoints for half-word writes supported", RDP_INFO_ABOUT_BREAK_HALFWORD_WRITE}, {"watchpoints for word writes supported", RDP_INFO_ABOUT_BREAK_WORD_WRITE}, {"mask break/watch-points supported", RDP_INFO_ABOUT_BREAK_MASK}, - {"thread-specific breakpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_BREAK}, - {"thread-specific watchpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_WATCH}, +{"thread-specific breakpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_BREAK}, +{"thread-specific watchpoints supported", RDP_INFO_ABOUT_BREAK_THREAD_WATCH}, {"conditional breakpoints supported", RDP_INFO_ABOUT_BREAK_COND}, {0} }; @@ -1203,7 +1198,7 @@ struct target_ops remote_rdp_ops = { "rdp", /* to_shortname */ /* to_longname */ - "Remote Target using the RDProtocol", + "Remote Target using the RDProtocol", /* to_doc */ "Use a remote ARM system which uses the ARM Remote Debugging Protocol", remote_rdp_open, /* to_open */ @@ -1215,7 +1210,7 @@ struct target_ops remote_rdp_ops = remote_rdp_fetch_register, /* to_fetch_registers */ remote_rdp_store_register, /* to_store_registers */ remote_rdp_prepare_to_store, /* to_prepare_to_store */ - remote_rdp_xfer_inferior_memory, /* to_xfer_memory */ + remote_rdp_xfer_inferior_memory, /* to_xfer_memory */ remote_rdp_files_info, /* to_files_info */ remote_rdp_insert_breakpoint, /* to_insert_breakpoint */ remote_rdp_remove_breakpoint, /* to_remove_breakpoint */