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authorLinus Nielsen Feltzing <linus@haxx.se>2002-04-23 20:21:31 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2002-04-23 20:21:31 +0000
commitf9389fe9fb7a3b1e7285d00a58bc26273c05077b (patch)
tree03001d32f5787bb39571f3071886de0d5bcdfdc0 /gdb
parentade48b800f7e487d1ba87bba27b70ef18770d190 (diff)
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Cleanup
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@201 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'gdb')
-rw-r--r--gdb/Makefile3
-rw-r--r--gdb/archos.h24
-rw-r--r--gdb/sh-stub.c301
3 files changed, 102 insertions, 226 deletions
diff --git a/gdb/Makefile b/gdb/Makefile
index 2e36a7f80e..f61088effc 100644
--- a/gdb/Makefile
+++ b/gdb/Makefile
@@ -8,14 +8,13 @@
#
TARGET = stub
OBJS = start.o sh-stub.o
-#LIBS = -L/home/linus/sh1/lib/gcc-lib/sh-elf/3.0.4 -lgcc
LIBS = -lgcc
.s.o:
sh-elf-as -o $@ $<
.c.o:
- sh-elf-gcc -O -m1 -Wall -c -o $@ $<
+ sh-elf-gcc -O -I../firmware/drivers -m1 -Wall -c -o $@ $<
$(TARGET).out: $(TARGET).elf
sh-elf-objcopy -O binary $(TARGET).elf $(TARGET).out
diff --git a/gdb/archos.h b/gdb/archos.h
deleted file mode 100644
index c92360e43a..0000000000
--- a/gdb/archos.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id$
- *
- * Copyright (C) 2002 by Linus Nielsen Feltzing
- *
- * All files in this archive are subject to the GNU General Public License.
- * See the file COPYING in the source tree root for full license agreement.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-#ifndef ARCHOS_H
-#define ARCHOS_H
-
-#define SYSCLOCK 12000000
-
-#endif
diff --git a/gdb/sh-stub.c b/gdb/sh-stub.c
index c937c84088..6bd5a7ddc4 100644
--- a/gdb/sh-stub.c
+++ b/gdb/sh-stub.c
@@ -164,10 +164,13 @@
So
"0* " means the same as "0000". */
-#include "archos.h"
-#include "sh.h"
+#include "sh7034.h"
#include <string.h>
#include <setjmp.h>
+#include <signal.h>
+
+/* We need to undefine this from the sh7034.h file */
+#undef GBR
/* Hitachi SH architecture instruction encoding masks */
@@ -197,9 +200,6 @@
#define T_BIT_MASK 0x0001
-#define PBDR (*(volatile unsigned short *)(0x5ffffc2)) /* Port B Data */
-void lcd_printxy( char x, char y, unsigned char* string, int len );
-
/*
* BUFMAX defines the maximum number of characters in inbound/outbound
* buffers. At least NUMREGBYTES*2 are needed for register packets.
@@ -377,8 +377,6 @@ void start ();
#define IO_VEC 33
#define USER_VEC 127
-
-
char in_nmi; /* Set when handling an NMI, so we don't reenter */
int dofault; /* Non zero, bus errors will raise exception */
@@ -391,18 +389,18 @@ int remote_debug;
jmp_buf remcomEnv;
enum regnames
- {
+{
R0, R1, R2, R3, R4, R5, R6, R7,
R8, R9, R10, R11, R12, R13, R14,
R15, PC, PR, GBR, VBR, MACH, MACL, SR,
TICKS, STALLS, CYCLES, INSTS, PLR
- };
+};
typedef struct
- {
+{
short *memAddr;
short oldInstr;
- }
+}
stepData;
int registers[NUMREGBYTES / 4];
@@ -657,28 +655,28 @@ static int computeSignal (int exceptionVector)
switch (exceptionVector)
{
case INVALID_INSN_VEC:
- sigval = 4;
+ sigval = SIGILL;
break;
case INVALID_SLOT_VEC:
- sigval = 4;
+ sigval = SIGILL;
break;
case CPU_BUS_ERROR_VEC:
- sigval = 10;
+ sigval = SIGBUS;
break;
case DMA_BUS_ERROR_VEC:
- sigval = 10;
+ sigval = SIGBUS;
break;
case NMI_VEC:
- sigval = 2;
+ sigval = SIGINT;
break;
case TRAP_VEC:
case USER_VEC:
- sigval = 5;
+ sigval = SIGTRAP;
break;
default:
- sigval = 7; /* "software generated"*/
+ sigval = SIGEMT; /* "software generated"*/
break;
}
return (sigval);
@@ -763,7 +761,6 @@ void doSStep (void)
/* Undo the effect of a previous doSStep. If we single stepped,
restore the old instruction. */
-
void undoSStep (void)
{
if (stepped)
@@ -776,18 +773,13 @@ void undoSStep (void)
}
/*
-This function does all exception handling. It only does two things -
-it figures out why it was called and tells gdb, and then it reacts
-to gdb's requests.
-
-When in the monitor mode we talk a human on the serial line rather than gdb.
-
+ * This function does all exception handling. It only does two things -
+ * it figures out why it was called and tells gdb, and then it reacts
+ * to gdb's requests.
+ *
*/
-
void gdb_handle_exception (int exceptionVector)
{
- char buf[32];
- unsigned int r;
int sigval, stepping;
int addr, length;
char *ptr;
@@ -812,28 +804,13 @@ void gdb_handle_exception (int exceptionVector)
registers[PC] -= 2;
/*
- * Do the thangs needed to undo
+ * Do the things needed to undo
* any stepping we may have done!
*/
undoSStep ();
stepping = 0;
- buf[0] = highhex(exceptionVector);
- buf[1] = lowhex(exceptionVector);
- buf[2] = ':';
- r = registers[PC];
- buf[3] = highhex((r >> 24) & 0xff);
- buf[4] = lowhex((r >> 24) & 0xff);
- buf[5] = highhex((r >> 16) & 0xff);
- buf[6] = lowhex((r >> 16) & 0xff);
- buf[7] = highhex((r >> 8) & 0xff);
- buf[8] = lowhex((r >> 8) & 0xff);
- buf[9] = highhex(r & 0xff);
- buf[10] = lowhex(r & 0xff);
-
- lcd_printxy(0, 0, buf, 11);
-
while (1)
{
remcomOutBuffer[0] = 0;
@@ -841,96 +818,96 @@ void gdb_handle_exception (int exceptionVector)
switch (*ptr++)
{
- case '?':
- remcomOutBuffer[0] = 'S';
- remcomOutBuffer[1] = highhex (sigval);
- remcomOutBuffer[2] = lowhex (sigval);
- remcomOutBuffer[3] = 0;
- break;
- case 'd':
- remote_debug = !(remote_debug); /* toggle debug flag */
- break;
- case 'g': /* return the value of the CPU registers */
- mem2hex ((char *) registers, remcomOutBuffer, NUMREGBYTES);
- break;
- case 'G': /* set the value of the CPU registers - return OK */
- hex2mem (ptr, (char *) registers, NUMREGBYTES);
- strcpy (remcomOutBuffer, "OK");
- break;
+ case '?':
+ remcomOutBuffer[0] = 'S';
+ remcomOutBuffer[1] = highhex (sigval);
+ remcomOutBuffer[2] = lowhex (sigval);
+ remcomOutBuffer[3] = 0;
+ break;
+ case 'd':
+ remote_debug = !(remote_debug); /* toggle debug flag */
+ break;
+ case 'g': /* return the value of the CPU registers */
+ mem2hex ((char *) registers, remcomOutBuffer, NUMREGBYTES);
+ break;
+ case 'G': /* set the value of the CPU registers - return OK */
+ hex2mem (ptr, (char *) registers, NUMREGBYTES);
+ strcpy (remcomOutBuffer, "OK");
+ break;
- /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
- case 'm':
- if (setjmp (remcomEnv) == 0)
- {
- dofault = 0;
- /* TRY, TO READ %x,%x. IF SUCCEED, SET PTR = 0 */
- if (hex2int (&ptr, &addr))
- if (*(ptr++) == ',')
- if (hex2int (&ptr, &length))
+ /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
+ case 'm':
+ if (setjmp (remcomEnv) == 0)
+ {
+ dofault = 0;
+ /* TRY, TO READ %x,%x. IF SUCCEED, SET PTR = 0 */
+ if (hex2int (&ptr, &addr))
+ if (*(ptr++) == ',')
+ if (hex2int (&ptr, &length))
+ {
+ ptr = 0;
+ mem2hex ((char *) addr, remcomOutBuffer, length);
+ }
+ if (ptr)
+ strcpy (remcomOutBuffer, "E01");
+ }
+ else
+ strcpy (remcomOutBuffer, "E03");
+
+ /* restore handler for bus error */
+ dofault = 1;
+ break;
+
+ /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */
+ case 'M':
+ if (setjmp (remcomEnv) == 0)
+ {
+ dofault = 0;
+
+ /* TRY, TO READ '%x,%x:'. IF SUCCEED, SET PTR = 0 */
+ if (hex2int (&ptr, &addr))
+ if (*(ptr++) == ',')
+ if (hex2int (&ptr, &length))
+ if (*(ptr++) == ':')
{
+ hex2mem (ptr, (char *) addr, length);
ptr = 0;
- mem2hex ((char *) addr, remcomOutBuffer, length);
+ strcpy (remcomOutBuffer, "OK");
}
- if (ptr)
- strcpy (remcomOutBuffer, "E01");
- }
- else
- strcpy (remcomOutBuffer, "E03");
-
- /* restore handler for bus error */
- dofault = 1;
- break;
+ if (ptr)
+ strcpy (remcomOutBuffer, "E02");
+ }
+ else
+ strcpy (remcomOutBuffer, "E03");
- /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */
- case 'M':
- if (setjmp (remcomEnv) == 0)
- {
- dofault = 0;
-
- /* TRY, TO READ '%x,%x:'. IF SUCCEED, SET PTR = 0 */
- if (hex2int (&ptr, &addr))
- if (*(ptr++) == ',')
- if (hex2int (&ptr, &length))
- if (*(ptr++) == ':')
- {
- hex2mem (ptr, (char *) addr, length);
- ptr = 0;
- strcpy (remcomOutBuffer, "OK");
- }
- if (ptr)
- strcpy (remcomOutBuffer, "E02");
- }
- else
- strcpy (remcomOutBuffer, "E03");
+ /* restore handler for bus error */
+ dofault = 1;
+ break;
- /* restore handler for bus error */
- dofault = 1;
- break;
+ /* cAA..AA Continue at address AA..AA(optional) */
+ /* sAA..AA Step one instruction from AA..AA(optional) */
+ case 's':
+ stepping = 1;
+ case 'c':
+ {
+ /* tRY, to read optional parameter, pc unchanged if no parm */
+ if (hex2int (&ptr, &addr))
+ registers[PC] = addr;
- /* cAA..AA Continue at address AA..AA(optional) */
- /* sAA..AA Step one instruction from AA..AA(optional) */
- case 's':
- stepping = 1;
- case 'c':
- {
- /* tRY, to read optional parameter, pc unchanged if no parm */
- if (hex2int (&ptr, &addr))
- registers[PC] = addr;
+ if (stepping)
+ doSStep ();
+ }
- if (stepping)
- doSStep ();
- }
+ return;
+ break;
- return;
+ /* kill the program */
+ case 'k': /* do nothing */
break;
- /* kill the program */
- case 'k': /* do nothing */
- break;
-
- default:
- break;
- } /* switch */
+ default:
+ break;
+ } /* switch */
/* reply to the request */
putpacket (remcomOutBuffer);
@@ -1127,7 +1104,6 @@ void INIT (void)
blink();
}
-
void sr()
{
/* Calling Reset does the same as pressing the button */
@@ -1237,7 +1213,7 @@ void rr()
" mov.l @r1, r1 ! restore R1");
}
-static __inline__ void code_for_catch_exception(unsigned int n)
+static inline void code_for_catch_exception(unsigned int n)
{
asm(" .globl _catch_exception_%O0" : : "X" (n) );
asm(" _catch_exception_%O0:" :: "X" (n) );
@@ -1551,78 +1527,3 @@ void handleError (char theSSR)
/* Clear all error bits, otherwise the receiver will stop */
SSR1 &= ~(SCI_ORER | SCI_PER | SCI_FER);
}
-
-#define DC 1
-#define CS1 2
-#define SDA 4
-#define SCK 8
-
-static const unsigned char ascii2lcd[] = {
- 0x00,0x01,0x02,0x03,0x00,0x84,0x85,0x89,
- 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
- 0xec,0xe3,0xe2,0xe1,0xe0,0xdf,0x15,0x00,
- 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
- 0x24,0x25,0x26,0x37,0x06,0x29,0x2a,0x2b,
- 0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,
- 0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,
- 0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,
- 0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,
- 0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0x53,
- 0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,
- 0x5c,0x5d,0x5e,0xa9,0x33,0xce,0x00,0x15,
- 0x00,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,
- 0x6c,0x6d,0x6e,0x6f,0x70,0x71,0x72,0x73,
- 0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x7b,
- 0x7c,0x7d,0x7e,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x24,0x24,0x24,0x24,0x24,0x24,0x24,0x24,
- 0x45,0x45,0x45,0x45,0x45,0x45,0x24,0x47,
- 0x49,0x49,0x49,0x49,0x4d,0x4d,0x4d,0x4d,
- 0x48,0x52,0x53,0x53,0x53,0x53,0x53,0x24,
- 0x24,0x59,0x59,0x59,0x59,0x5d,0x24,0x24,
- 0x65,0x65,0x65,0x65,0x65,0x65,0x24,0x67,
- 0x69,0x69,0x69,0x69,0x6d,0x6d,0x6d,0x6d,
- 0x73,0x72,0x73,0x73,0x73,0x73,0x73,0x24,
- 0x24,0x79,0x79,0x79,0x79,0x7d,0x24,0x7d
-};
-
-void lcd_write(int byte, int data)
-{
- int i;
- char on,off;
-
- PBDR &= ~CS1; /* enable lcd chip select */
-
- if ( data ) {
- on=~(SDA|SCK);
- off=SCK|DC;
- }
- else {
- on=~(SDA|SCK|DC);
- off=SCK;
- }
- /* clock out each bit, MSB first */
- for (i=0x80;i;i>>=1)
- {
- PBDR &= on;
- if (i & byte)
- PBDR |= SDA;
- PBDR |= off;
- }
-
- PBDR |= CS1; /* disable lcd chip select */
-}
-
-void lcd_printxy( char x, char y, unsigned char* string, int len )
-{
- int i;
- lcd_write(0xb0+y*16+x,0);
- for (i=0; string[i] && i<len; i++)
- lcd_write(ascii2lcd[string[i]],1);
-}