*! Jun 17 1999 Hendrik Ruijter Added gdb 4.18 support. 'X', 'qC' and 'qL'.
*! Jul 21 1999 Bjorn Wesen eLinux port
*!
-*! $Log: kgdb.c,v $
-*! Revision 1.6 2005/01/14 10:12:17 starvik
-*! KGDB on separate port.
-*! Console fixes from 2.4.
-*!
-*! Revision 1.5 2004/10/07 13:59:08 starvik
-*! Corrected call to set_int_vector
-*!
-*! Revision 1.4 2003/04/09 05:20:44 starvik
-*! Merge of Linux 2.5.67
-*!
-*! Revision 1.3 2003/01/21 19:11:08 starvik
-*! Modified include path for new dir layout
-*!
-*! Revision 1.2 2002/11/19 14:35:24 starvik
-*! Changes from linux 2.4
-*! Changed struct initializer syntax to the currently preferred notation
-*!
-*! Revision 1.1 2001/12/17 13:59:27 bjornw
-*! Initial revision
-*!
-*! Revision 1.6 2001/10/09 13:10:03 matsfg
-*! Added $ on registers and removed some underscores
-*!
-*! Revision 1.5 2001/04/17 13:58:39 orjanf
-*! * Renamed CONFIG_KGDB to CONFIG_ETRAX_KGDB.
-*!
-*! Revision 1.4 2001/02/23 13:45:19 bjornw
-*! config.h check
-*!
-*! Revision 1.3 2001/01/31 18:08:23 orjanf
-*! Removed kgdb_handle_breakpoint from being the break 8 handler.
-*!
-*! Revision 1.2 2001/01/12 14:22:25 orjanf
-*! Updated kernel debugging support to work with ETRAX 100LX.
-*!
-*! Revision 1.1 2000/07/10 16:25:21 bjornw
-*! Initial revision
-*!
-*! Revision 1.1.1.1 1999/12/03 14:57:31 bjornw
-*! * Initial version of arch/cris, the latest CRIS architecture with an MMU.
-*! Mostly copied from arch/etrax100 with appropriate renames of files.
-*! The mm/ subdir is copied from arch/i386.
-*! This does not compile yet at all.
-*!
-*!
-*! Revision 1.4 1999/07/22 17:25:25 bjornw
-*! Dont wait for + in putpacket if we havent hit the initial breakpoint yet. Added a kgdb_init function which sets up the break and irq vectors.
-*!
-*! Revision 1.3 1999/07/21 19:51:18 bjornw
-*! Check if the interrupting char is a ctrl-C, ignore otherwise.
-*!
-*! Revision 1.2 1999/07/21 18:09:39 bjornw
-*! Ported to eLinux architecture, and added some kgdb documentation.
-*!
-*!
*!---------------------------------------------------------------------------
*!
-*! $Id: kgdb.c,v 1.6 2005/01/14 10:12:17 starvik Exp $
-*!
*! (C) Copyright 1999, Axis Communications AB, LUND, SWEDEN
*!
*!**************************************************************************/
void enableDebugIRQ (void);
-/* Returns the character equivalent of a nibble, bit 7, 6, 5, and 4 of a byte,
- represented by int x. */
-static char highhex (int x);
-
-/* Returns the character equivalent of a nibble, bit 3, 2, 1, and 0 of a byte,
- represented by int x. */
-static char lowhex (int x);
-
/* Returns the integer equivalent of a hexadecimal character. */
static int hex (char ch);
/* Run-length encoding maximum length. Send 64 at most. */
#define RUNLENMAX 64
-/* Definition of all valid hexadecimal characters */
-static const char hexchars[] = "0123456789abcdef";
-
/* The inbound/outbound buffers used in packet I/O */
static char remcomInBuffer[BUFMAX];
static char remcomOutBuffer[BUFMAX];
char *sd;
int x = 0;
- for (s1 = (char*)s; (sd = gdb_cris_memchr(hexchars, *s1, base)) != NULL; ++s1)
- x = x * base + (sd - hexchars);
+ for (s1 = (char*)s; (sd = gdb_cris_memchr(hex_asc, *s1, base)) != NULL; ++s1)
+ x = x * base + (sd - hex_asc);
if (endptr)
{
}
/********************************** Packet I/O ******************************/
-/* Returns the character equivalent of a nibble, bit 7, 6, 5, and 4 of a byte,
- represented by int x. */
-static inline char
-highhex(int x)
-{
- return hexchars[(x >> 4) & 0xf];
-}
-
-/* Returns the character equivalent of a nibble, bit 3, 2, 1, and 0 of a byte,
- represented by int x. */
-static inline char
-lowhex(int x)
-{
- return hexchars[x & 0xf];
-}
-
/* Returns the integer equivalent of a hexadecimal character. */
static int
hex (char ch)
/* Valid mem address. */
for (i = 0; i < count; i++) {
ch = *mem++;
- *buf++ = highhex (ch);
- *buf++ = lowhex (ch);
+ buf = pack_hex_byte(buf, ch);
}
}
src++;
}
}
- putDebugChar ('#');
- putDebugChar (highhex (checksum));
- putDebugChar (lowhex (checksum));
+ putDebugChar('#');
+ putDebugChar(hex_asc_hi(checksum));
+ putDebugChar(hex_asc_lo(checksum));
} while(kgdb_started && (getDebugChar() != '+'));
}
/* Send trap type (converted to signal) */
- *ptr++ = 'T';
- *ptr++ = highhex (sigval);
- *ptr++ = lowhex (sigval);
+ *ptr++ = 'T';
+ ptr = pack_hex_byte(ptr, sigval);
/* Send register contents. We probably only need to send the
* PC, frame pointer and stack pointer here. Other registers will be
- * explicitely asked for. But for now, send all.
+ * explicitly asked for. But for now, send all.
*/
for (regno = R0; regno <= USP; regno++) {
status = read_register (regno, ®_cont);
if (status == SUCCESS) {
-
- *ptr++ = highhex (regno);
- *ptr++ = lowhex (regno);
+ ptr = pack_hex_byte(ptr, regno);
*ptr++ = ':';
ptr = mem2hex(ptr, (unsigned char *)®_cont,
/* Store thread:r...; with the executing task TID. */
gdb_cris_strcpy (&remcomOutBuffer[pos], "thread:");
pos += gdb_cris_strlen ("thread:");
- remcomOutBuffer[pos++] = highhex (executing_task);
- remcomOutBuffer[pos++] = lowhex (executing_task);
+ remcomOutBuffer[pos++] = hex_asc_hi(executing_task);
+ remcomOutBuffer[pos++] = hex_asc_lo(executing_task);
gdb_cris_strcpy (&remcomOutBuffer[pos], ";");
#endif
Success: SAA, where AA is the signal number.
Failure: void. */
remcomOutBuffer[0] = 'S';
- remcomOutBuffer[1] = highhex (sigval);
- remcomOutBuffer[2] = lowhex (sigval);
+ remcomOutBuffer[1] = hex_asc_hi(sigval);
+ remcomOutBuffer[2] = hex_asc_lo(sigval);
remcomOutBuffer[3] = 0;
break;
case 'C':
/* Identify the remote current thread. */
gdb_cris_strcpy (&remcomOutBuffer[0], "QC");
- remcomOutBuffer[2] = highhex (current_thread_c);
- remcomOutBuffer[3] = lowhex (current_thread_c);
+ remcomOutBuffer[2] = hex_asc_hi(current_thread_c);
+ remcomOutBuffer[3] = hex_asc_lo(current_thread_c);
remcomOutBuffer[4] = '\0';
break;
case 'L':
gdb_cris_strcpy (&remcomOutBuffer[0], "QM");
/* Reply with number of threads. */
if (os_is_started()) {
- remcomOutBuffer[2] = highhex (number_of_tasks);
- remcomOutBuffer[3] = lowhex (number_of_tasks);
+ remcomOutBuffer[2] = hex_asc_hi(number_of_tasks);
+ remcomOutBuffer[3] = hex_asc_lo(number_of_tasks);
}
else {
- remcomOutBuffer[2] = highhex (0);
- remcomOutBuffer[3] = lowhex (1);
+ remcomOutBuffer[2] = hex_asc_hi(0);
+ remcomOutBuffer[3] = hex_asc_lo(1);
}
/* Done with the reply. */
- remcomOutBuffer[4] = lowhex (1);
+ remcomOutBuffer[4] = hex_asc_lo(1);
pos = 5;
/* Expects the argument thread id. */
for (; pos < (5 + HEXCHARS_IN_THREAD_ID); pos++)
for (thread_id = 0; thread_id < number_of_tasks; thread_id++) {
nextpos = pos + HEXCHARS_IN_THREAD_ID - 1;
for (; pos < nextpos; pos ++)
- remcomOutBuffer[pos] = lowhex (0);
- remcomOutBuffer[pos++] = lowhex (thread_id);
+ remcomOutBuffer[pos] = hex_asc_lo(0);
+ remcomOutBuffer[pos++] = hex_asc_lo(thread_id);
}
}
else {
/* Store the thread identifier of the boot task. */
nextpos = pos + HEXCHARS_IN_THREAD_ID - 1;
for (; pos < nextpos; pos ++)
- remcomOutBuffer[pos] = lowhex (0);
- remcomOutBuffer[pos++] = lowhex (current_thread_c);
+ remcomOutBuffer[pos] = hex_asc_lo(0);
+ remcomOutBuffer[pos++] = hex_asc_lo(current_thread_c);
}
remcomOutBuffer[pos] = '\0';
break;
git.openpandora.org / pandora-kernel.git / blobdiff