diff options
38 files changed, 2662 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mrm332/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/.cvsignore new file mode 100644 index 0000000000..525275c115 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/.cvsignore @@ -0,0 +1,13 @@ +Makefile +Makefile.in +aclocal.m4 +config.cache +config.guess +config.log +config.status +config.sub +configure +depcomp +install-sh +missing +mkinstalldirs diff --git a/c/src/lib/libbsp/m68k/mrm332/ChangeLog b/c/src/lib/libbsp/m68k/mrm332/ChangeLog new file mode 100644 index 0000000000..1fb1e06d75 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/ChangeLog @@ -0,0 +1,17 @@ +2000-05-25 Matt Cross <profesor@gweep.net> + + * New MRM332 BSP for the Mini RoboMind board based + on the 68332 microcontroller designed and build by Mark + Castelluccio. For details on the MRM see http://www.robominds.com. + * .cvsignore, ChangeLog Makefile.am, README, bsp_specs, + clock/.cvsignore, clock/Makefile.am, clock/ckinit.c, configure.in, + console/.cvsignore, console/Makefile.am, console/console.c, + include/.cvsignore, include/Makefile.am, include/bsp.h, + include/mrm332.h, misc/dotests, misc/gdbinit68, misc/interr.c, + spurious/.cvsignore, spurious/Makefile.am, spurious/spinit.c, + start/.cvsignore, start/Makefile.am, start/start.c, startup/.cvsignore, + startup/Makefile.am, startup/bspclean.c, startup/bspstart.c, + startup/except_vect_332_ROM.S, startup/linkcmds, startup/linkcmds_ROM, + timer/.cvsignore, timer/Makefile.am, timer/timer.c, times, + wrapup/.cvsignore, wrapup/Makefile.am: Initial files. + diff --git a/c/src/lib/libbsp/m68k/mrm332/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/Makefile.am new file mode 100644 index 0000000000..02af1cbb18 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/Makefile.am @@ -0,0 +1,17 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 +ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal + +# wrapup is the one that actually builds and installs the library +# from the individual .rel files built in other directories +SUBDIRS = . include start startup clock console spurious timer wrapup + +include $(top_srcdir)/../../bsp.am + +EXTRA_DIST = bsp_specs times + +include $(top_srcdir)/../../../../../../automake/subdirs.am +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/README b/c/src/lib/libbsp/m68k/mrm332/README new file mode 100644 index 0000000000..3201db5d4c --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/README @@ -0,0 +1,24 @@ +# +# $Id$ +# + +Description: mrm332 +============ +CPU: MC68332 @16 or 25MHz +RAM: 32k or 512k +ROM: 512k flash + + The Mini RoboMind is a small board based on the 68332 microcontroller +designed and build by Mark Castelluccio. For details, see: + + http://www.robominds.com + + This BSP was ported from the efi332 BSP by Matt Cross (profesor@gweep.net), +the efi332 BSP was written by John S Gwynne. + +TODO: +===== +- integrate the interrupt driven stdin/stdout into RTEMS to (a) reduce + the interrupt priority and (2) to prevent it from blocking. +- add a timer driver for the tmtest set. + diff --git a/c/src/lib/libbsp/m68k/mrm332/bsp_specs b/c/src/lib/libbsp/m68k/mrm332/bsp_specs new file mode 100644 index 0000000000..078f4054fb --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/bsp_specs @@ -0,0 +1,27 @@ +%rename cpp old_cpp +%rename lib old_lib +%rename endfile old_endfile +%rename startfile old_startfile +%rename link old_link + +*cpp: +%(old_cpp) %{qrtems: -D__embedded__} -Asystem(embedded) + +*lib: +%{!qrtems: %(old_lib)} %{qrtems: --start-group \ +%{!qrtems_debug: -lrtemsall} %{qrtems_debug: -lrtemsall_g} \ +-lc -lgcc --end-group \ +%{!qnolinkcmds: -T linkcmds%s}} + +*startfile: +%{!qrtems: %(old_startfile)} %{qrtems: \ +%{!qrtems_debug: start.o%s} \ +%{qrtems_debug: start_g.o%s} \ +crti.o%s crtbegin.o%s} + +*link: +%{!qrtems: %(old_link)} %{qrtems: -dc -dp -N -e start} + +*endfile: +%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} + diff --git a/c/src/lib/libbsp/m68k/mrm332/clock/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/clock/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/clock/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/clock/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/clock/Makefile.am new file mode 100644 index 0000000000..3e08045c00 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/clock/Makefile.am @@ -0,0 +1,32 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/clock.rel + +C_FILES = ckinit.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PGM): $(OBJS) + $(make-rel) + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile + +all-local: $(ARCH) $(OBJS) $(PGM) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = ckinit.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/clock/ckinit.c b/c/src/lib/libbsp/m68k/mrm332/clock/ckinit.c new file mode 100644 index 0000000000..9bd655a1f7 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/clock/ckinit.c @@ -0,0 +1,129 @@ +/* Clock_init() + * + * This routine initailizes the periodic interrupt timer on + * the Motorola 68332. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <stdlib.h> +#include <bsp.h> +#include <rtems/libio.h> +#include <mrm332.h> + +#define CLOCK_VECTOR MRM_PIV + +rtems_unsigned32 Clock_isrs; /* ISRs until next tick */ +volatile rtems_unsigned32 Clock_driver_ticks; + /* ticks since initialization */ +rtems_isr_entry Old_ticker; + +void Clock_exit( void ); + +/* + * These are set by clock driver during its init + */ + +rtems_device_major_number rtems_clock_major = ~0; +rtems_device_minor_number rtems_clock_minor; + +rtems_isr Clock_isr(rtems_vector_number vector) +{ + Clock_driver_ticks += 1; + + if ( Clock_isrs == 1 ) { + rtems_clock_tick(); + Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; + } + else + Clock_isrs -= 1; +} + +void Install_clock( + rtems_isr_entry clock_isr +) +{ + Clock_driver_ticks = 0; + Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; + + Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 ); + + /* enable 1mS interrupts */ + *PITR = (unsigned short int)( SAM(0x09,0,PITM) );/* load counter */ + *PICR = (unsigned short int) /* enable interrupt */ + ( SAM(ISRL_PIT,8,PIRQL) | SAM(CLOCK_VECTOR,0,PIV) ); + + atexit( Clock_exit ); +} + +void Clock_exit( void ) +{ + /* shutdown the periodic interrupt */ + *PICR = (unsigned short int) + ( SAM(0,8,PIRQL) | SAM(CLOCK_VECTOR,0,PIV) ); + /* ^^ zero disables interrupt */ + + /* do not restore old vector */ +} + +rtems_device_driver Clock_initialize( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *pargp +) +{ + Install_clock( Clock_isr ); + + /* + * make major/minor avail to others such as shared memory driver + */ + + rtems_clock_major = major; + rtems_clock_minor = minor; + + return RTEMS_SUCCESSFUL; +} + +rtems_device_driver Clock_control( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *pargp +) +{ + rtems_unsigned32 isrlevel; + rtems_libio_ioctl_args_t *args = pargp; + + if (args == 0) + goto done; + + /* + * This is hokey, but until we get a defined interface + * to do this, it will just be this simple... + */ + + if (args->command == rtems_build_name('I', 'S', 'R', ' ')) + { + Clock_isr(CLOCK_VECTOR); + } + else if (args->command == rtems_build_name('N', 'E', 'W', ' ')) + { + rtems_interrupt_disable( isrlevel ); + (void) set_vector( args->buffer, CLOCK_VECTOR, 1 ); + rtems_interrupt_enable( isrlevel ); + } + +done: + return RTEMS_SUCCESSFUL; +} + diff --git a/c/src/lib/libbsp/m68k/mrm332/configure.in b/c/src/lib/libbsp/m68k/mrm332/configure.in new file mode 100644 index 0000000000..79241038af --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/configure.in @@ -0,0 +1,34 @@ +dnl Process this file with autoconf to produce a configure script. +dnl +dnl $Id$ + +AC_PREREQ(2.13) +AC_INIT(bsp_specs) +RTEMS_TOP(../../../../../..) +AC_CONFIG_AUX_DIR(../../../../../..) + +RTEMS_CANONICAL_TARGET_CPU +AM_INIT_AUTOMAKE(rtems-c-src-lib-libbsp-m68k-mrm,$RTEMS_VERSION,no) +AM_MAINTAINER_MODE + +RTEMS_PROG_CC_FOR_TARGET +RTEMS_CANONICALIZE_TOOLS + +RTEMS_ENV_RTEMSBSP +RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP) +RTEMS_CHECK_BSP_CACHE(RTEMS_BSP) +RTEMS_CANONICAL_HOST + +RTEMS_PROJECT_ROOT + +# Explicitly list all Makefiles here +AC_OUTPUT( +Makefile +clock/Makefile +console/Makefile +include/Makefile +spurious/Makefile +start/Makefile +startup/Makefile +timer/Makefile +wrapup/Makefile) diff --git a/c/src/lib/libbsp/m68k/mrm332/console/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/console/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/console/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/console/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/console/Makefile.am new file mode 100644 index 0000000000..d4e5619fac --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/console/Makefile.am @@ -0,0 +1,32 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/console.rel + +C_FILES = console.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PGM): $(OBJS) + $(make-rel) + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile + +all-local: $(ARCH) $(OBJS) $(PGM) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = console.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/console/console.c b/c/src/lib/libbsp/m68k/mrm332/console/console.c new file mode 100644 index 0000000000..da683764d5 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/console/console.c @@ -0,0 +1,397 @@ +/* + * This file contains the mrm console IO package. + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <stdlib.h> +#include <bsp.h> +#include <rtems/libio.h> + +/* BUFFER_LENGTH must be 2^n for n=1, 2, 3, .... */ +#define BUFFER_LENGTH 256 +#define RTS_STOP_SIZE BUFFER_LENGTH-64 +#define RTS_START_SIZE 16 + +char xmt_buf[BUFFER_LENGTH]; +char rcv_buf[BUFFER_LENGTH]; +/* in: last entry into the buffer; always on a valid character */ +/* out: points to the next character to be pull from the buffer */ +/* in+1=out => buffer empty */ +/* in+2=out => buffer full */ +struct UART_buf { + char *offset; + char *in; + char *out; +}; +static volatile struct UART_buf xmt = { xmt_buf, (char *)0, (char *)1}; +static volatile struct UART_buf rcv = { rcv_buf, (char *)0, (char *)1}; +static volatile char _debug_flag = 0; + +#if 0 +#define SET_RTS(a) {*PORTF0 = (*PORTF0 & ~0x4) | ( (a)? 0 : 0x4); } +#define GET_CTS (!(*PORTF0 & 0x2)) +#else +#define SET_RTS(a) {;} +#define GET_CTS 1 +#endif + +/* _catchSCIint, _catchCTSint, and _catchSPURIOUSint are the + interrupt front-ends */ +extern void _catchSCIint(); +asm(" .text + .align 2 + .globl _catchSCIint +_catchSCIint: + moveml %d0-%d7/%a0-%a6,%sp@- /* save registers */ + jbsr uart_interrupt + moveml %sp@+,%d0-%d7/%a0-%a6 + rts + "); + +extern void _catchCTSint(); +asm(" .text + .align 2 + .globl _catchCTSint +_catchCTSint: + moveml %d0-%d7/%a0-%a6,%sp@- /* save registers */ + jbsr cts_interrupt + moveml %sp@+,%d0-%d7/%a0-%a6 + rts + "); + +extern void _catchSPURIOUSint(); +asm(" .text + .align 2 + .globl _catchSPURIOUSint +_catchSPURIOUSint: + moveml %d0-%d7/%a0-%a6,%sp@- /* save registers */ + jbsr spurious_interrupt + moveml %sp@+,%d0-%d7/%a0-%a6 + rts + "); + +int _spurious_int_counter=0; + +/* note: cts uses int1. If it "bounces", a spurious interrupt is generated */ +void spurious_interrupt(void) { + _spurious_int_counter++; /* there should never be alot of these */ +} + +/* _fake_trap_1 will continue the UART interrupt (%sr *still* + UART_ISR_LEVEL) as a trap #1 to enter the debugger */ + +/* *****fix me; this is for 68000 w/jsr ram exception table ******* */ +asm(" .text + .align 2 +_fake_trap_1: + unlk %a6 /* clear interrupt frame */ + lea %sp@(4),%sp /* remove jbsr instruction */ + moveml %sp@+,%d0-%d7/%a0-%a6 /* pop registers */ + jmp (33*6-12) /* jump exception 1 */ + "); + +/* dispatch UART interrupt */ +void xmit_interrupt(void); +void rcvr_interrupt(void); +void _fake_trap_1(void); + +void uart_interrupt(void) { + /* receiver status bits are cleared by a SCSR read followed + by a SCDR read. transmitter status bits are cleared by + a SCSR read followed by a SCDR write. */ + if ((*SCSR) & (TDRE | TC)) + xmit_interrupt(); + + if ((*SCSR) & (RDRF)) + rcvr_interrupt(); + + if (_debug_flag) { + _debug_flag = 0; /* reset the flag */ + _fake_trap_1(); /* fake a trap #1 */ + } +} + +/* transfer received character to the buffer */ +void rcvr_interrupt(void) { + register char *a, c; + register int length; + + while((*SCSR) & (RDRF)) { + if ((c=*SCDR) == 0x1a) /* use ctl-z to reboot */ + reboot(); +/* else if (c == 0x03) { */ /* use ctl-c to enter debugger */ +/* _debug_flag = 1; */ +/* continue; */ +/* } */ + + *(char *)((int)rcv.offset +(int) + (a=(char *)(((int)rcv.in+1) & ((int)BUFFER_LENGTH-1)))) = c; + if ((char *)(((int)rcv.in+2) & ((int)BUFFER_LENGTH-1)) != rcv.out) + rcv.in=a; + }; + + length = (BUFFER_LENGTH -1) & ( + ( ((int)rcv.out <= (int)rcv.in) ? 0 : BUFFER_LENGTH) - (int)rcv.out + + (int)rcv.in + 1); + if (length >= RTS_STOP_SIZE) + SET_RTS(0); +} + +/* tranfer buffered characters to the UART */ +void xmit_interrupt(void) { + register short int oldsr; + + _CPU_ISR_Disable( oldsr ); /* for when outbyte or flush calls */ + while ((*SCSR) & (TDRE)) { + if ((char *)(((int)xmt.in+1) & ((int)BUFFER_LENGTH-1)) != xmt.out) + /* xmit buffer not empty */ + if (GET_CTS) { + /* send next char */ + *SCDR=*(char *)((int)xmt.offset+(int)xmt.out); + xmt.out= (char *)(((int)xmt.out+1) & ((int)BUFFER_LENGTH-1)); + *SCCR1 = (*SCCR1 & ~(TIE | TCIE)) | (TIE); + } + else { + /* configue CTS interrupt and shutdown xmit interrupts */ + *SCCR1 &= ~(TIE | TCIE); + *PFPAR |= 0x2; + break; + } + else { + /* xmit buffer empty; shutdown interrupts */ + *SCCR1 &= ~(TIE | TCIE); + break; + } + } + _CPU_ISR_Enable( oldsr ); +} + +void cts_interrupt(void) { + register short int oldsr; + + _CPU_ISR_Disable( oldsr ); /* for when outbyte calls */ + + *PFPAR &= ~0x2; + *SCCR1 = (*SCCR1 & ~(TIE | TCIE)) | (TIE); + + _CPU_ISR_Enable( oldsr ); +} + + + +/* transfer character from the buffer */ +char inbyte(void) { + register char a; + register int length; + + while ((char *)(((int)rcv.in+1) & ((int)BUFFER_LENGTH-1))== rcv.out); + a=*(char *)((int)rcv.offset+(int)rcv.out); + rcv.out= (char *)(((int)rcv.out+1) & ((int)BUFFER_LENGTH-1)); + length = (BUFFER_LENGTH -1) & ( + ( ((int)rcv.out <= (int)rcv.in) ? 0 : BUFFER_LENGTH) - (int)rcv.out + + (int)rcv.in + 1); + if (length < RTS_START_SIZE) + SET_RTS(1); + return (a); +} + +/* once room is avaliable in the buffer, transfer + the character into the buffer and enable + the xmtr interrupt */ +void outbyte(char c) { + register char *a; + + while ((char *)(((int)xmt.in+2) & ((int)BUFFER_LENGTH-1)) == xmt.out); + *(char *)((int)xmt.offset+(int) + (a=(char *)(((int)xmt.in+1) & ((int)BUFFER_LENGTH-1))))=c; + xmt.in=a; + + if (!(*SCCR1 & (TIE | TCIE)) && (!(*PFPAR & 0x2)) ) + /* if neither interrupts are running, */ + xmit_interrupt(); /* we need to restart the xmiter */ +} + +void _UART_flush(void) { + /* loop till xmt buffer empty. Works with interrupts disabled */ + while ((char *)(((int)xmt.in+1) & ((int)BUFFER_LENGTH-1)) != xmt.out) + xmit_interrupt(); + /* loop till UART buffer empty */ + while ( (*SCSR & TC) == 0 ); +} + +/* console_initialize + * + * This routine initializes the console IO driver. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * Return values: + */ + +void console_init() +{ + *QSMCR = ( SAM(QSM_IARB,0,IARB) ); + *QILR = ( SAM(ISRL_QSPI,4,ILQSPI) | SAM(ISRL_SCI,0,ILSCI) ); + *QIVR = ( SAM(EFI_QIVR,0,INTV) ); + + *SCCR0 = ( (int)( SYS_CLOCK/SCI_BAUD/32.0+0.5 ) & 0x1fff ); + *SCCR1 = ( RIE | TE | RE ); + + set_vector(_catchSPURIOUSint, EFI_SPINT, 1); + set_vector(_catchSCIint, EFI_QIVR, 1); + /* set_vector(_catchCTSint, EFI_INT1, 1); */ +} + +rtems_device_driver console_initialize( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + rtems_status_code status; + + status = rtems_io_register_name( + "/dev/console", + major, + (rtems_device_minor_number) 0 + ); + + if (status != RTEMS_SUCCESSFUL) + rtems_fatal_error_occurred(status); + + return RTEMS_SUCCESSFUL; +} + +/* is_character_ready + * + * This routine returns TRUE if a character is available. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * Return values: + */ + +rtems_boolean is_character_ready( + char *ch +) +{ + if ((char *)(((int)rcv.in+1) & ((int)BUFFER_LENGTH-1))== rcv.out) + return(FALSE); + else + return(TRUE); +} + +/* + * Open entry point + */ + +rtems_device_driver console_open( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; +} + +/* + * Close entry point + */ + +rtems_device_driver console_close( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; +} + +/* + * read bytes from the serial port. We only have stdin. + */ + +rtems_device_driver console_read( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + rtems_libio_rw_args_t *rw_args; + char *buffer; + int maximum; + int count; + + rw_args = (rtems_libio_rw_args_t *) arg; + + buffer = rw_args->buffer; + maximum = rw_args->count; + + for (count = 0; count < maximum; count++) { + buffer[ count ] = inbyte(); + if (buffer[ count ] == '\n' || buffer[ count ] == '\r') { + buffer[ count++ ] = '\n'; + break; + } + } + + rw_args->bytes_moved = count; + return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED; +} + +/* + * write bytes to the serial port. Stdout and stderr are the same. + */ + +rtems_device_driver console_write( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + int count; + int maximum; + rtems_libio_rw_args_t *rw_args; + char *buffer; + + rw_args = (rtems_libio_rw_args_t *) arg; + + buffer = rw_args->buffer; + maximum = rw_args->count; + + for (count = 0; count < maximum; count++) { + if ( buffer[ count ] == '\n') { + outbyte('\r'); + } + outbyte( buffer[ count ] ); + } + + rw_args->bytes_moved = maximum; + return 0; +} + +/* + * IO Control entry point + */ + +rtems_device_driver console_control( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; +} + diff --git a/c/src/lib/libbsp/m68k/mrm332/include/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/include/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/include/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/include/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/include/Makefile.am new file mode 100644 index 0000000000..bfd2cc7a6c --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/include/Makefile.am @@ -0,0 +1,28 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +H_FILES = bsp.h ../../../shared/include/coverhd.h mrm332.h + +$(PROJECT_INCLUDE): + $(mkinstalldirs) $@ + +$(PROJECT_INCLUDE)/bsp.h: bsp.h + $(INSTALL_DATA) $< $@ + +$(PROJECT_INCLUDE)/coverhd.h: ../../../shared/include/coverhd.h + $(INSTALL_DATA) $< $@ + +$(PROJECT_INCLUDE)/mrm332.h: mrm332.h + $(INSTALL_DATA) $< $@ + +TMPINSTALL_FILES += $(PROJECT_INCLUDE) $(PROJECT_INCLUDE)/bsp.h \ + $(PROJECT_INCLUDE)/coverhd.h $(PROJECT_INCLUDE)/mrm332.h + +all-local: $(TMPINSTALL_FILES) + +EXTRA_DIST = bsp.h mrm332.h + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/include/bsp.h b/c/src/lib/libbsp/m68k/mrm332/include/bsp.h new file mode 100644 index 0000000000..d392f9bdbf --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/include/bsp.h @@ -0,0 +1,163 @@ +/* bsp.h + * + * This include file contains all mrm board IO definitions. + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#ifndef __MRM332_BSP_h +#define __MRM332_BSP_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems.h> +#include <clockdrv.h> +#include <console.h> +#include <iosupp.h> +#include <mrm332.h> +#include <sim.h> +#include <qsm.h> + +/* + * confdefs.h overrides for this BSP: + * - number of termios serial ports (defaults to 1) + * - Interrupt stack space is not minimum if defined. + */ + +/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */ +/* #define CONFIGURE_INTERRUPT_STACK_MEMORY (TBD * 1024) */ + +/* + * Define the time limits for RTEMS Test Suite test durations. + * Long test and short test duration limits are provided. These + * values are in seconds and need to be converted to ticks for the + * application. + * + */ + +#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ +#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ + +/* + * Define the interrupt mechanism for Time Test 27 + */ + +/* XXX - JRS - I want to compile the tmtests */ + +#define MUST_WAIT_FOR_INTERRUPT 1 + +#define Install_tm27_vector( handler ) + +#define Cause_tm27_intr() + +#define Clear_tm27_intr() + +#define Lower_tm27_intr() + +/* + * Simple spin delay in microsecond units for device drivers. + * This is very dependent on the clock speed of the target. + */ + +#define delay( microseconds ) \ + { register rtems_unsigned32 _delay=(microseconds); \ + register rtems_unsigned32 _tmp=123; \ + asm volatile( "0: \ + nbcd %0 ; \ + nbcd %0 ; \ + dbf %1,0b" \ + : "=d" (_tmp), "=d" (_delay) \ + : "0" (_tmp), "1" (_delay) ); \ + } + +/* externals */ + +extern char _etext[]; +extern char _copy_start[]; +extern char _edata[]; +extern char _clear_start[]; +extern char end[]; +extern char _copy_data_from_rom[]; + +/* constants */ + +#ifdef __START_C__ +#define STACK_SIZE "#0x800" +#else +#define STACK_SIZE 0x800 +#endif + +/* macros */ + +#define RAW_PUTS(str) \ + { register char *ptr = str; \ + while (*ptr) outbyte(*ptr++); \ + } + +#define RAW_PUTI(n) { \ + register int i, j; \ + \ + RAW_PUTS("0x"); \ + for (i=28;i>=0;i -= 4) { \ + j = (n>>i) & 0xf; \ + outbyte( (j>9 ? j-10+'a' : j+'0') ); \ + } \ + } + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; + +extern m68k_isr_entry M68Kvec[]; /* vector table address */ + +extern int stack_size; + +extern int stack_start; + +/* + * Device Driver Table Entries + */ + +/* + * NOTE: Use the standard Console driver entry + */ + +/* + * NOTE: Use the standard Clock driver entry + */ + +/* functions */ + +void bsp_cleanup( void ); + +m68k_isr_entry set_vector( + rtems_isr_entry handler, + rtems_vector_number vector, + int type +); + +void console_init(void); + +void Spurious_Initialize(void); + +void _UART_flush(void); + +void Clock_exit(void); + +void outbyte(char); + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ diff --git a/c/src/lib/libbsp/m68k/mrm332/include/mrm332.h b/c/src/lib/libbsp/m68k/mrm332/include/mrm332.h new file mode 100644 index 0000000000..c0ef0a7d6c --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/include/mrm332.h @@ -0,0 +1,71 @@ +/* mrm332.h + * + * $Id$ + */ + +#ifndef _MRM332_H_ +#define _MRM332_H_ + + +/* SIM_MM (SIM Module Mapping) determines the location of the control + register block. When MM=0, register addresses range fom 0x7ff000 to + 0x7FFFFF. When MM=1, register addresses range from 0xfff000 to + 0xffffff. */ +#define SIM_MM 1 + + +/* Interrupt related definitions */ +#define SIM_IARB 15 +#define QSM_IARB 10 + +#define MRM_PIV 64 +#define ISRL_PIT 4 /* zero disables PIT */ + +#define EFI_QIVR 66 /* 66=>SCI and 67=>QSPI interrupt */ +#define ISRL_QSPI 0 + +#define EFI_SPINT 24 /* spurious interrupt */ +#define EFI_INT1 25 /* CTS interrupt */ +#define ISRL_SCI 6 + + + +/* System Clock definitions */ +#define XTAL 32768.0 /* crystal frequency in Hz */ + +#if 0 +/* Default MRM clock rate (8.388688 MHz) set by CPU32: */ +#define MRM_W 0 /* system clock parameters */ +#define MRM_X 0 +#define MRM_Y 0x3f +#endif + +#if 0 +/* 16.77722 MHz: */ +#define MRM_W 1 /* system clock parameters */ +#define MRM_X 1 +#define MRM_Y 0x0f +#endif + +#if 1 +/* 25.16582 MHz: */ +#define MRM_W 1 /* system clock parameters */ +#define MRM_X 1 +#define MRM_Y 0x17 +#endif + +#define SYS_CLOCK (XTAL*4.0*(MRM_Y+1)*(1 << (2*MRM_W+MRM_X))) +#define SCI_BAUD 9600 /* RS232 Baud Rate */ + + +/* macros/functions */ + +/* + * This prototype really should have the noreturn attribute but + * that causes a warning. Not sure how to fix that. + */ +/* static void reboot(void) __attribute__ ((noreturn)); */ +static void reboot(void); +__inline__ static void reboot() {asm("trap #15; .word 0x0063");} + +#endif /* _MRM_H_ */ diff --git a/c/src/lib/libbsp/m68k/mrm332/misc/dotests b/c/src/lib/libbsp/m68k/mrm332/misc/dotests new file mode 100644 index 0000000000..f701e01114 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/misc/dotests @@ -0,0 +1,15 @@ +#! /bin/bash +# +# $Id$ +# + +mkdir MyTests +find -name MyTests -prune -or -name "*.nxe" -exec cp {} MyTests \; + +stty 1:0:80001cb2:0:3:1c:7f:15:4:5:1:0:11:13:1a:0:12:f:17:16:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0 </dev/ttyS1 +/bin/cp /dev/ttyS1 screen & +cpJob=$! + +( cd MyTests; for f in *nxe; do m68k-elf-gdb ${f} </dev/null; done ) + +kill -9 $cpJob diff --git a/c/src/lib/libbsp/m68k/mrm332/misc/gdbinit68 b/c/src/lib/libbsp/m68k/mrm332/misc/gdbinit68 new file mode 100644 index 0000000000..88c48c2389 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/misc/gdbinit68 @@ -0,0 +1,16 @@ +# +# $Id$ +# +echo Setting up the environment for mrm debuging.\n + +target bdm /dev/bdmcpu320 +bdm_setdelay 1000 +bdm_autoreset on +set remotecache off +bdm_timetocomeup 0 +bdm_init +bdm_reset +set $sfc=5 +set $dfc=5 +r +q diff --git a/c/src/lib/libbsp/m68k/mrm332/misc/interr.c b/c/src/lib/libbsp/m68k/mrm332/misc/interr.c new file mode 100644 index 0000000000..578ad139c3 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/misc/interr.c @@ -0,0 +1,99 @@ +/* + * Internal Error Handler + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/score/interr.h> +#include <rtems/score/sysstate.h> +#include <rtems/score/userext.h> + +/*PAGE + * + * _Internal_error_Occurred + * + * This routine will invoke the fatal error handler supplied by the user + * followed by the the default one provided by the executive. The default + * error handler assumes no hardware is present to help inform the user + * of the problem. Halt stores the error code in a known register, + * disables interrupts, and halts the CPU. If the CPU does not have a + * halt instruction, it will loop to itself. + * + * Input parameters: + * the_source - what subsystem the error originated in + * is_internal - if the error was internally generated + * the_error - fatal error status code + * + * Output parameters: + * As much information as possible is stored in a CPU dependent fashion. + * See the CPU dependent code for more information. + * + * NOTE: The the_error is not necessarily a directive status code. + */ + +/* + * Ugly hack.... _CPU_Fatal_halt() disonnects the bdm. Without this + * change, the_error is only known only to the cpu :). + * + * From "bsp.h" which is not yet available in the arch tree during + * this phase of install. jsg + */ +void outbyte(char); +void bsp_cleanup( void ); + +#define RAW_PUTS(str) \ + { register char *ptr = str; \ + while (*ptr) outbyte(*ptr++); \ + } + +#define RAW_PUTI(n) { \ + register int i, j; \ + \ + RAW_PUTS("0x"); \ + for (i=28;i>=0;i -= 4) { \ + j = (n>>i) & 0xf; \ + outbyte( (j>9 ? j-10+'a' : j+'0') ); \ + } \ + } + +void volatile _Internal_error_Occurred( + Internal_errors_Source the_source, + boolean is_internal, + unsigned32 the_error +) +{ + + Internal_errors_What_happened.the_source = the_source; + Internal_errors_What_happened.is_internal = is_internal; + Internal_errors_What_happened.the_error = the_error; + + _User_extensions_Fatal( the_source, is_internal, the_error ); + + _System_state_Set( SYSTEM_STATE_FAILED ); + + /* try to print error message to outbyte */ + RAW_PUTS("\r\nRTEMS: A fatal error has occured.\r\n"); + RAW_PUTS("RTEMS: fatal error "); + RAW_PUTI( the_error ); + RAW_PUTS(" ("); + outbyte( (char)((the_error>>24) & 0xff) ); + outbyte( (char)((the_error>>16) & 0xff) ); + outbyte( (char)((the_error>>8) & 0xff) ); + outbyte( (char)(the_error & 0xff) ); + RAW_PUTS(").\r\n"); + + /* configure peripherals for a safe exit */ + bsp_cleanup(); + + _CPU_Fatal_halt( the_error ); + + /* will not return from this routine */ +} diff --git a/c/src/lib/libbsp/m68k/mrm332/spurious/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/spurious/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/spurious/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/spurious/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/spurious/Makefile.am new file mode 100644 index 0000000000..bfd07bd28e --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/spurious/Makefile.am @@ -0,0 +1,32 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/spurious.rel + +C_FILES = spinit.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PGM): $(OBJS) + $(make-rel) + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile + +all-local: $(ARCH) $(OBJS) $(PGM) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = spinit.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/spurious/spinit.c b/c/src/lib/libbsp/m68k/mrm332/spurious/spinit.c new file mode 100644 index 0000000000..c296e5888a --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/spurious/spinit.c @@ -0,0 +1,103 @@ +/* Spurious_driver + * + * This routine installs spurious interrupt handlers for the mrm. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <bsp.h> +#include <stdio.h> + +const char * const _Spurious_Error_[] = {"Reset","Bus Error","Address Error", + "Illegal Instruction","Zero Division","CHK, CHK2 Instruction", + "TRAPcc, TRAPV Instruction","Privilege Violation","Trace", + "Line 1010 Emulation","Line 1111 Emulation","Hardware Breakpoint", + "Coprocessor Protocal Violation", + "Format Error ans Uninitialized Interrupt","Unassigned", + "Spurious Interrupt","AVec1","AVec2","AVec3","AVec4","AVec5","AVec6", + "AVec7","Trap Instruction","Debug","Reboot","Reserved Coprocessor", + "Reserved Unassigned","User Defined"}; + +rtems_isr Spurious_Isr( + rtems_vector_number vector +) +{ + int sp = 0; + const char * const VectDescrip[] = { + _Spurious_Error_[0], _Spurious_Error_[0], _Spurious_Error_[1], + _Spurious_Error_[2], _Spurious_Error_[3], _Spurious_Error_[4], + _Spurious_Error_[5], _Spurious_Error_[6], _Spurious_Error_[7], + _Spurious_Error_[8], _Spurious_Error_[9], _Spurious_Error_[10], + _Spurious_Error_[11], _Spurious_Error_[12], _Spurious_Error_[13], + _Spurious_Error_[13], _Spurious_Error_[14], _Spurious_Error_[14], + _Spurious_Error_[14], _Spurious_Error_[14], _Spurious_Error_[14], + _Spurious_Error_[14], _Spurious_Error_[14], _Spurious_Error_[14], + _Spurious_Error_[15], _Spurious_Error_[16], _Spurious_Error_[17], + _Spurious_Error_[18], _Spurious_Error_[19], _Spurious_Error_[20], + _Spurious_Error_[21], _Spurious_Error_[22], _Spurious_Error_[23], + _Spurious_Error_[24], _Spurious_Error_[23], _Spurious_Error_[23], + _Spurious_Error_[23], _Spurious_Error_[23], _Spurious_Error_[23], + _Spurious_Error_[23], _Spurious_Error_[23], _Spurious_Error_[23], + _Spurious_Error_[23], _Spurious_Error_[23], _Spurious_Error_[23], + _Spurious_Error_[23], _Spurious_Error_[23], _Spurious_Error_[25], + _Spurious_Error_[26], _Spurious_Error_[26], _Spurious_Error_[26], + _Spurious_Error_[26], _Spurious_Error_[26], _Spurious_Error_[26], + _Spurious_Error_[26], _Spurious_Error_[26], _Spurious_Error_[26], + _Spurious_Error_[26], _Spurious_Error_[26], _Spurious_Error_[27], + _Spurious_Error_[27], _Spurious_Error_[27], _Spurious_Error_[27], + _Spurious_Error_[27], _Spurious_Error_[28]}; + + asm volatile ( "movea.l %%sp,%0 " : "=a" (sp) : "0" (sp) ); + + _CPU_ISR_Set_level( 7 ); + _UART_flush(); + + RAW_PUTS("\n\rRTEMS: Spurious interrupt: "); + RAW_PUTS((char *)VectDescrip[( (vector>64) ? 64 : vector )]); + RAW_PUTS("\n\rRTEMS: Vector: "); + RAW_PUTI(vector); + RAW_PUTS(" sp: "); + RAW_PUTI(sp); + RAW_PUTS("\n\r"); + + bsp_cleanup(); + + /* BDM SIGEMT */ + asm(" .word 0x4afa"); + + for(;;); +} + +void Spurious_Initialize(void) +{ + rtems_vector_number vector; + + for ( vector = 0x0 ; vector <= 0xFF ; vector++ ) + { + switch (vector) + { + case 4: + case 9: + case 31: + case 47: + case 66: + /* These vectors used by CPU32bug - don't overwrite them. */ + break; + + default: + (void) set_vector( Spurious_Isr, vector, 1 ); + break; + } + } +} diff --git a/c/src/lib/libbsp/m68k/mrm332/start/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/start/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/start/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/start/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/start/Makefile.am new file mode 100644 index 0000000000..9005137d73 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/start/Makefile.am @@ -0,0 +1,32 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/start.o + +C_FILES = start.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o: $(PGM) + $(INSTALL_DATA) $< $@ + +TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o + +all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = start.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/start/start.c b/c/src/lib/libbsp/m68k/mrm332/start/start.c new file mode 100644 index 0000000000..7d95437180 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/start/start.c @@ -0,0 +1,259 @@ +/* + * $Id + */ + +#include <mrm332.h> +#include <sim.h> +#define __START_C__ +#include "bsp.h" + +m68k_isr_entry M68Kvec[256]; +m68k_isr_entry vectors[256]; +char * const __argv[]= {"main", ""}; + +void boot_card(int argc, char * const argv[]); + +/* + * This prototype really should have the noreturn attribute but + * that causes a warning. Not sure how to fix that. + */ +/* void dumby_start () __attribute__ ((noreturn)); */ +void dumby_start (); + +void dumby_start() { + + /* Put the header necessary for the modified CPU32bug to automatically + start up rtems: */ + asm volatile ( ".long 0xbeefbeef ; + .long 0 ; + .long start"); + + /* We need to by-pass the link instruction since the RAM chip- + select pins are not yet configured. */ + asm volatile ( ".global start ; + start:"); + + /* disable interrupts, copy CPU32bug vectors, load stack pointer */ + asm volatile ( "oriw #0x0700, %sr; + movel #end, %d0; + addl #_StackSize,%d0; + movel %d0,%sp; + movel %d0,%a6" + ); + + /* include in ram_init.S */ + /* + * Initalize the SIM module. + * The stack pointer is not usable until the RAM chip select lines + * are configured. The following code must remain inline. + */ + + /* Module Configuration Register */ + /* see section(s) 3.1.3-3.1.6 of the SIM Reference Manual */ + *SIMCR = (unsigned short int) + (FRZSW | SAM(0,8,SHEN) | (MM*SIM_MM) | SAM(SIM_IARB,0,IARB)); + + /* Synthesizer Control Register */ + /* see section(s) 4.8 */ + /* end include in ram_init.S */ + *SYNCR = (unsigned short int) + ( SAM(MRM_W,15,VCO) | SAM(0x0,14,PRESCALE) | SAM(MRM_Y,8,COUNTER) ); + while (! (*SYNCR & SLOCK)); /* protect from clock overshoot */ + /* include in ram_init.S */ + *SYNCR = (unsigned short int) + ( SAM(MRM_W,15,VCO) | SAM(MRM_X,14,PRESCALE) | SAM(MRM_Y,8,COUNTER) ); + + /* System Protection Control Register */ + /* !!! can only write to once after reset !!! */ + /* see section 3.8.4 of the SIM Reference Manual */ + *SYPCR = (unsigned char)( HME | BME ); + + /* Periodic Interrupr Control Register */ + /* see section 3.8.2 of the SIM Reference Manual */ + *PICR = (unsigned short int) + ( SAM(0,8,PIRQL) | SAM(MRM_PIV,0,PIV) ); + /* ^^^ zero disables interrupt, don't enable here or ram_init will + be wrong. It's enabled below. */ + + /* Periodic Interrupt Timer Register */ + /* see section 3.8.3 of the SIM Reference Manual */ + *PITR = (unsigned short int)( SAM(0x09,0,PITM) ); + /* 1.098mS interrupt, assuming 32.768 KHz input clock */ + + /* Port C Data */ + /* load values before enabled */ + *PORTC = (unsigned char) 0x0; + +#if 0 + /* Don't touch these on MRM, they are set up by CPU32bug at boot time. */ + + /* Chip-Select Base Address Register */ + /* see section 7 of the SIM Reference Manual */ + *CSBARBT = (unsigned short int) + (((0x000000 >> 8)&0xfff8) | BS_512K ); /* 512k bytes located at 0x0000 */ + *CSBAR0 = (unsigned short int) + (((0x000000 >> 8)&0xfff8) | BS_1M ); /* 1M bytes located at 0x0000 */ + *CSBAR1 = (unsigned short int) + (((0x080000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0x80000 */ + *CSBAR2 = (unsigned short int) + (((0x080000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0x80000 */ + *CSBAR3 = (unsigned short int) + (((0x0C0000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0xC0000 */ + *CSBAR4 = (unsigned short int) + (((0x0C0000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0xC0000 */ + *CSBAR5 = (unsigned short int) + (0xfff8 | BS_64K); /* AVEC interrupts */ + +#if 0 +#ifdef EFI332_v040b + *CSBAR6 = (unsigned short int) + (((0x000000 >> 8)&0xfff8) | BS_512K ); /* 512k bytes located at 0x0000 */ + *CSBAR8 = (unsigned short int) /* PCMCIA IOCS */ + (((0x0c0000 >> 8)&0xfff8) | BS_64K ); /* 64k bytes located at 0xc0000 */ + *CSBAR9 = (unsigned short int) /* PCMCIA MEMCS */ + (((0x0D0000 >> 8)&0xfff8) | BS_64K ); /* 64k bytes located at 0xd0000 */ +#else /* EFI332_v040b */ + *CSBAR10 = (unsigned short int) + (((0x000000 >> 8)&0xfff8) | BS_512K ); /* 512k bytes located at 0x0000 */ +#endif /* EFI332_v040b */ +#endif + + /* Chip-Select Options Registers */ + /* see section 7 of the SIM Reference Manual */ +#ifdef FLASHWRITE + *CSORBT = (unsigned short int) + ( BothBytes | ReadWrite | SyncAS | WaitStates_0 | UserSupSpace ); +#else /* FLASHWRITE */ + *CSORBT = (unsigned short int) + ( BothBytes | ReadOnly | SyncAS | WaitStates_0 | UserSupSpace ); +#endif /* FLASHWRITE */ + *CSOR0 = (unsigned short int) + ( BothBytes | ReadOnly | SyncAS | External | UserSupSpace ); + *CSOR1 = (unsigned short int) + ( LowerByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); + *CSOR2 = (unsigned short int) + ( UpperByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); + *CSOR3 = (unsigned short int) + ( LowerByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); + *CSOR4 = (unsigned short int) + ( UpperByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); + *CSOR5 = (unsigned short int) + ( BothBytes | ReadWrite | SyncAS | CPUSpace | IPLevel_any | AVEC ); + +#if 0 +#ifdef EFI332_v040b + *CSOR6 = (unsigned short int) + ( BothBytes | ReadOnly | SyncAS | External | UserSupSpace ); + *CSOR8 = (unsigned short int) + ( BothBytes | ReadWrite | SyncAS | External | UserSupSpace ); + *CSOR9 = (unsigned short int) + ( BothBytes | ReadWrite | SyncAS | External | UserSupSpace ); +#else /* EFI332_v040b */ + *CSOR10 = (unsigned short int) + ( BothBytes | ReadOnly | SyncAS | External | UserSupSpace ); +#endif /* EFI332_v040b */ +#endif + + /* Chip Select Pin Assignment Register 0 */ + /* see section 7 of the SIM Reference Manual */ + *CSPAR0 = (unsigned short int)( + SAM(DisOut,CS_5,0x3000) | /* AVEC (internally) */ + SAM(CS16bit,CS_4,0x0c00) | /* RAM UDS, bank2 */ + SAM(CS16bit,CS_3,0x0300) | /* RAM LDS, bank2 */ + SAM(CS16bit,CS_2,0x00c0)| /* RAM UDS, bank1 */ + SAM(CS16bit,CS_1,0x0030)| /* RAM LDS, bank1 */ + SAM(CS16bit,CS_0,0x000c)| /* W/!R */ + SAM(CS16bit,CSBOOT,0x0003) /* ROM CS */ + ); + + /* Chip Select Pin Assignment Register 1 */ + /* see section 7 of the SIM Reference Manual */ +#ifdef EFI332_v040b + *CSPAR1 = (unsigned short int)( + SAM(DisOut,CS_10,0x300)| /* ECLK */ + SAM(CS16bit,CS_9,0x0c0) | /* PCMCIA MEMCS */ + SAM(CS16bit,CS_8,0x030) | /* PCMCIA IOCS */ + SAM(DisOut,CS_7,0x00c) | /* PC4 */ + SAM(CS16bit,CS_6,0x003) /* ROM !OE */ + ); +#else /* EFI332_v040b */ + *CSPAR1 = (unsigned short int)( + SAM(CS16bit,CS_10,0x300)| /* ROM !OE */ + SAM(DisOut,CS_9,0x0c0) | /* PC6 */ + SAM(DisOut,CS_8,0x030) | /* PC5 */ + SAM(DisOut,CS_7,0x00c) | /* PC4 */ + SAM(DisOut,CS_6,0x003) /* PC3 */ + ); +#endif /* EFI332_v040b */ + +#endif /* Don't touch on MRM */ + + /* Port E and F Data Register */ + /* see section 9 of the SIM Reference Manual */ + *PORTE0 = (unsigned char) 0; + *PORTF0 = (unsigned char) 0; + + /* Port E and F Data Direction Register */ + /* see section 9 of the SIM Reference Manual */ + *DDRE = (unsigned char) 0xff; + *DDRF = (unsigned char) 0xfd; + + /* Port E and F Pin Assignment Register */ + /* see section 9 of the SIM Reference Manual */ + *PEPAR = (unsigned char) 0; + *PFPAR = (unsigned char) 0; + + /* end of SIM initalization code */ + /* end include in ram_init.S */ + + /* + * Initialize RAM by copying the .data section out of ROM (if + * needed) and "zero-ing" the .bss section. + */ + { + register char *src = _etext; + register char *dst = _copy_start; + + if (_copy_data_from_rom) + /* ROM has data at end of text; copy it. */ + while (dst < _edata) + *dst++ = *src++; + + /* Zero bss */ + for (dst = _clear_start; dst< end; dst++) + { + *dst = 0; + } + } + + /* + * Initialize vector table. + */ + { + m68k_isr_entry *monitors_vector_table; + + m68k_get_vbr(monitors_vector_table); + + M68Kvec[ 4 ] = monitors_vector_table[ 4 ]; /* breakpoints vector */ + M68Kvec[ 9 ] = monitors_vector_table[ 9 ]; /* trace vector */ + M68Kvec[ 31 ] = monitors_vector_table[ 31 ]; /* level 7 interrupt */ + M68Kvec[ 47 ] = monitors_vector_table[ 47 ]; /* system call vector */ + M68Kvec[ 66 ] = monitors_vector_table[ 66 ]; /* user defined */ + + m68k_set_vbr(&M68Kvec); + } + + /* + * Initalize the board. + */ + Spurious_Initialize(); + console_init(); + + /* + * Execute main with arguments argc and agrv. + */ + boot_card(1,__argv); + reboot(); + +} + diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/startup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/startup/Makefile.am new file mode 100644 index 0000000000..1801ae3072 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/Makefile.am @@ -0,0 +1,55 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +VPATH = @srcdir@:@srcdir@/../../shared:@srcdir@/../../../shared + +PGM = $(ARCH)/startup.rel + +C_FILES = bsplibc.c bsppost.c bspstart.c bspclean.c bootcard.c \ + m68kpretaskinghook.c main.c sbrk.c setvec.c gnatinstallhandler.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +S_FILES = except_vect_332_ROM.S +S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) $(S_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +# USE_INIT_FINI tells main.c what C++ help we need. +AM_CPPFLAGS += -DUSE_INIT_FINI + +$(PGM): $(OBJS) + $(make-rel) + +$(PROJECT_RELEASE)/lib/linkcmds: linkcmds + $(INSTALL_DATA) $< $@ + +$(PROJECT_RELEASE)/lib/linkcmds_ROM: linkcmds_ROM + $(INSTALL_DATA) $< $@ + +$(PROJECT_RELEASE)/lib/except_vect_332_ROM$(LIB_VARIANT).o: \ + $(ARCH)/except_vect_332_ROM.o + $(INSTALL_DATA) $< $@ + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile +TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds \ + $(PROJECT_RELEASE)/lib/linkcmds_ROM \ + $(PROJECT_RELEASE)/lib/except_vect_332_ROM$(LIB_VARIANT).o + +all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = bspclean.c bspstart.c except_vect_332_ROM.S linkcmds \ + linkcmds_ROM + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/bspclean.c b/c/src/lib/libbsp/m68k/mrm332/startup/bspclean.c new file mode 100644 index 0000000000..c8d5656d3a --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/bspclean.c @@ -0,0 +1,27 @@ +/* bsp_cleanup() + * + * This routine cleans up in the sense that it places the board + * in a safe state and flushes the I/O buffers before exiting. + * + * INPUT: NONE + * + * OUTPUT: NONE + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <bsp.h> + +void bsp_cleanup(void) +{ + /* interrupt driven stdio must be flushed */ + _CPU_ISR_Set_level( 7 ); + _UART_flush(); +} diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/bspstart.c b/c/src/lib/libbsp/m68k/mrm332/startup/bspstart.c new file mode 100644 index 0000000000..b50dd710a1 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/bspstart.c @@ -0,0 +1,72 @@ +/* + * This routine starts the application. It includes application, + * board, and monitor specific initialization and configuration. + * The generic CPU dependent initialization has been performed + * before this routine is invoked. + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <bsp.h> +#include <rtems/libio.h> +#include <libcsupport.h> + +#include <string.h> + +/* + * The original table from the application and our copy of it with + * some changes. + */ + +extern rtems_configuration_table Configuration; +rtems_configuration_table BSP_Configuration; + +rtems_cpu_table Cpu_table; + +char *rtems_progname; + +/* + * Use the shared implementations of the following routines + */ + +void bsp_postdriver_hook(void); +void bsp_libc_init( void *, unsigned32, int ); +void bsp_pretasking_hook(void); /* m68k version */ + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ + +void bsp_start( void ) +{ + void *vbr; + extern void *_WorkspaceBase; + extern void *_RamSize; + extern unsigned long _M68k_Ramsize; + + _M68k_Ramsize = (unsigned long)&_RamSize; /* RAM size set in linker script */ + + /* + * we only use a hook to get the C library initialized. + */ + + Cpu_table.pretasking_hook = bsp_pretasking_hook; + Cpu_table.postdriver_hook = bsp_postdriver_hook; + + m68k_get_vbr( vbr ); + Cpu_table.interrupt_vector_table = vbr; + + BSP_Configuration.work_space_start = (void *) &_WorkspaceBase; + + /* Clock_exit is done as an atexit() function */ +} + diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/except_vect_332_ROM.S b/c/src/lib/libbsp/m68k/mrm332/startup/except_vect_332_ROM.S new file mode 100644 index 0000000000..cb8ce4cf5c --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/except_vect_332_ROM.S @@ -0,0 +1,294 @@ +/* + * $Id$ + */ + +/* Exception Vector definitions follow */ + + /* !!! Warning !!! This table is not tested, and + the user must make sure it is complete. */ + + /* If we use TRAP #15 for reboot, note that group 0 and 1 exceptions + will have priority. */ + + /* This is the "magic word" that CPU32bug uses to indicate that + there is a bootable image here. */ + .long 0xBEEFBEEF + + /* Vector 0: RESET: Initial SSP */ + .long _RamEnd + /* Vector 1: RESET: Initial PC */ + .long start + + /* default action for undefined vectors is to re-boot */ + + /* Note group 0 and 1 exception (like trace) have priority + over other exceptions (like trap #15) that may call this. */ + + /* Vectors 2-255 */ + .long reboot /* exception vector: 2 */ + .long reboot /* exception vector: 3 */ + .long reboot /* exception vector: 4 */ + .long reboot /* exception vector: 5 */ + .long reboot /* exception vector: 6 */ + .long reboot /* exception vector: 7 */ + .long reboot /* exception vector: 8 */ + .long reboot /* exception vector: 9 */ + .long reboot /* exception vector: 10 */ + .long reboot /* exception vector: 11 */ + .long reboot /* exception vector: 12 */ + .long reboot /* exception vector: 13 */ + .long reboot /* exception vector: 14 */ + .long reboot /* exception vector: 15 */ + .long reboot /* exception vector: 16 */ + .long reboot /* exception vector: 17 */ + .long reboot /* exception vector: 18 */ + .long reboot /* exception vector: 19 */ + .long reboot /* exception vector: 20 */ + .long reboot /* exception vector: 21 */ + .long reboot /* exception vector: 22 */ + .long reboot /* exception vector: 23 */ + .long reboot /* exception vector: 24 */ + .long reboot /* exception vector: 25 */ + .long reboot /* exception vector: 26 */ + .long reboot /* exception vector: 27 */ + .long reboot /* exception vector: 28 */ + .long reboot /* exception vector: 29 */ + .long reboot /* exception vector: 30 */ + .long reboot /* exception vector: 31 */ + .long reboot /* exception vector: 32 */ + .long reboot /* exception vector: 33 */ + .long reboot /* exception vector: 34 */ + .long reboot /* exception vector: 35 */ + .long reboot /* exception vector: 36 */ + .long reboot /* exception vector: 37 */ + .long reboot /* exception vector: 38 */ + .long reboot /* exception vector: 39 */ + .long reboot /* exception vector: 40 */ + .long reboot /* exception vector: 41 */ + .long reboot /* exception vector: 42 */ + .long reboot /* exception vector: 43 */ + .long reboot /* exception vector: 44 */ + .long reboot /* exception vector: 45 */ + .long reboot /* exception vector: 46 */ + .long _reboot /* the reboot trap: 47 */ + .long reboot /* exception vector: 48 */ + .long reboot /* exception vector: 49 */ + .long reboot /* exception vector: 50 */ + .long reboot /* exception vector: 51 */ + .long reboot /* exception vector: 52 */ + .long reboot /* exception vector: 53 */ + .long reboot /* exception vector: 54 */ + .long reboot /* exception vector: 55 */ + .long reboot /* exception vector: 56 */ + .long reboot /* exception vector: 57 */ + .long reboot /* exception vector: 58 */ + .long reboot /* exception vector: 59 */ + .long reboot /* exception vector: 60 */ + .long reboot /* exception vector: 61 */ + .long reboot /* exception vector: 62 */ + .long reboot /* exception vector: 63 */ + .long reboot /* exception vector: 64 */ + .long reboot /* exception vector: 65 */ + .long reboot /* exception vector: 66 */ + .long reboot /* exception vector: 67 */ + .long reboot /* exception vector: 68 */ + .long reboot /* exception vector: 69 */ + .long reboot /* exception vector: 70 */ + .long reboot /* exception vector: 71 */ + .long reboot /* exception vector: 72 */ + .long reboot /* exception vector: 73 */ + .long reboot /* exception vector: 74 */ + .long reboot /* exception vector: 75 */ + .long reboot /* exception vector: 76 */ + .long reboot /* exception vector: 77 */ + .long reboot /* exception vector: 78 */ + .long reboot /* exception vector: 79 */ + .long reboot /* exception vector: 80 */ + .long reboot /* exception vector: 81 */ + .long reboot /* exception vector: 82 */ + .long reboot /* exception vector: 83 */ + .long reboot /* exception vector: 84 */ + .long reboot /* exception vector: 85 */ + .long reboot /* exception vector: 86 */ + .long reboot /* exception vector: 87 */ + .long reboot /* exception vector: 88 */ + .long reboot /* exception vector: 89 */ + .long reboot /* exception vector: 90 */ + .long reboot /* exception vector: 91 */ + .long reboot /* exception vector: 92 */ + .long reboot /* exception vector: 93 */ + .long reboot /* exception vector: 94 */ + .long reboot /* exception vector: 95 */ + .long reboot /* exception vector: 96 */ + .long reboot /* exception vector: 97 */ + .long reboot /* exception vector: 98 */ + .long reboot /* exception vector: 99 */ + .long reboot /* exception vector: 100 */ + .long reboot /* exception vector: 101 */ + .long reboot /* exception vector: 102 */ + .long reboot /* exception vector: 103 */ + .long reboot /* exception vector: 104 */ + .long reboot /* exception vector: 105 */ + .long reboot /* exception vector: 106 */ + .long reboot /* exception vector: 107 */ + .long reboot /* exception vector: 108 */ + .long reboot /* exception vector: 109 */ + .long reboot /* exception vector: 110 */ + .long reboot /* exception vector: 111 */ + .long reboot /* exception vector: 112 */ + .long reboot /* exception vector: 113 */ + .long reboot /* exception vector: 114 */ + .long reboot /* exception vector: 115 */ + .long reboot /* exception vector: 116 */ + .long reboot /* exception vector: 117 */ + .long reboot /* exception vector: 118 */ + .long reboot /* exception vector: 119 */ + .long reboot /* exception vector: 120 */ + .long reboot /* exception vector: 121 */ + .long reboot /* exception vector: 122 */ + .long reboot /* exception vector: 123 */ + .long reboot /* exception vector: 124 */ + .long reboot /* exception vector: 125 */ + .long reboot /* exception vector: 126 */ + .long reboot /* exception vector: 127 */ + .long reboot /* exception vector: 128 */ + .long reboot /* exception vector: 129 */ + .long reboot /* exception vector: 130 */ + .long reboot /* exception vector: 131 */ + .long reboot /* exception vector: 132 */ + .long reboot /* exception vector: 133 */ + .long reboot /* exception vector: 134 */ + .long reboot /* exception vector: 135 */ + .long reboot /* exception vector: 136 */ + .long reboot /* exception vector: 137 */ + .long reboot /* exception vector: 138 */ + .long reboot /* exception vector: 139 */ + .long reboot /* exception vector: 140 */ + .long reboot /* exception vector: 141 */ + .long reboot /* exception vector: 142 */ + .long reboot /* exception vector: 143 */ + .long reboot /* exception vector: 144 */ + .long reboot /* exception vector: 145 */ + .long reboot /* exception vector: 146 */ + .long reboot /* exception vector: 147 */ + .long reboot /* exception vector: 148 */ + .long reboot /* exception vector: 149 */ + .long reboot /* exception vector: 150 */ + .long reboot /* exception vector: 151 */ + .long reboot /* exception vector: 152 */ + .long reboot /* exception vector: 153 */ + .long reboot /* exception vector: 154 */ + .long reboot /* exception vector: 155 */ + .long reboot /* exception vector: 156 */ + .long reboot /* exception vector: 157 */ + .long reboot /* exception vector: 158 */ + .long reboot /* exception vector: 159 */ + .long reboot /* exception vector: 160 */ + .long reboot /* exception vector: 161 */ + .long reboot /* exception vector: 162 */ + .long reboot /* exception vector: 163 */ + .long reboot /* exception vector: 164 */ + .long reboot /* exception vector: 165 */ + .long reboot /* exception vector: 166 */ + .long reboot /* exception vector: 167 */ + .long reboot /* exception vector: 168 */ + .long reboot /* exception vector: 169 */ + .long reboot /* exception vector: 170 */ + .long reboot /* exception vector: 171 */ + .long reboot /* exception vector: 172 */ + .long reboot /* exception vector: 173 */ + .long reboot /* exception vector: 174 */ + .long reboot /* exception vector: 175 */ + .long reboot /* exception vector: 176 */ + .long reboot /* exception vector: 177 */ + .long reboot /* exception vector: 178 */ + .long reboot /* exception vector: 179 */ + .long reboot /* exception vector: 180 */ + .long reboot /* exception vector: 181 */ + .long reboot /* exception vector: 182 */ + .long reboot /* exception vector: 183 */ + .long reboot /* exception vector: 184 */ + .long reboot /* exception vector: 185 */ + .long reboot /* exception vector: 186 */ + .long reboot /* exception vector: 187 */ + .long reboot /* exception vector: 188 */ + .long reboot /* exception vector: 189 */ + .long reboot /* exception vector: 190 */ + .long reboot /* exception vector: 191 */ + .long reboot /* exception vector: 192 */ + .long reboot /* exception vector: 193 */ + .long reboot /* exception vector: 194 */ + .long reboot /* exception vector: 195 */ + .long reboot /* exception vector: 196 */ + .long reboot /* exception vector: 197 */ + .long reboot /* exception vector: 198 */ + .long reboot /* exception vector: 199 */ + .long reboot /* exception vector: 200 */ + .long reboot /* exception vector: 201 */ + .long reboot /* exception vector: 202 */ + .long reboot /* exception vector: 203 */ + .long reboot /* exception vector: 204 */ + .long reboot /* exception vector: 205 */ + .long reboot /* exception vector: 206 */ + .long reboot /* exception vector: 207 */ + .long reboot /* exception vector: 208 */ + .long reboot /* exception vector: 209 */ + .long reboot /* exception vector: 210 */ + .long reboot /* exception vector: 211 */ + .long reboot /* exception vector: 212 */ + .long reboot /* exception vector: 213 */ + .long reboot /* exception vector: 214 */ + .long reboot /* exception vector: 215 */ + .long reboot /* exception vector: 216 */ + .long reboot /* exception vector: 217 */ + .long reboot /* exception vector: 218 */ + .long reboot /* exception vector: 219 */ + .long reboot /* exception vector: 220 */ + .long reboot /* exception vector: 221 */ + .long reboot /* exception vector: 222 */ + .long reboot /* exception vector: 223 */ + .long reboot /* exception vector: 224 */ + .long reboot /* exception vector: 225 */ + .long reboot /* exception vector: 226 */ + .long reboot /* exception vector: 227 */ + .long reboot /* exception vector: 228 */ + .long reboot /* exception vector: 229 */ + .long reboot /* exception vector: 230 */ + .long reboot /* exception vector: 231 */ + .long reboot /* exception vector: 232 */ + .long reboot /* exception vector: 233 */ + .long reboot /* exception vector: 234 */ + .long reboot /* exception vector: 235 */ + .long reboot /* exception vector: 236 */ + .long reboot /* exception vector: 237 */ + .long reboot /* exception vector: 238 */ + .long reboot /* exception vector: 239 */ + .long reboot /* exception vector: 240 */ + .long reboot /* exception vector: 241 */ + .long reboot /* exception vector: 242 */ + .long reboot /* exception vector: 243 */ + .long reboot /* exception vector: 244 */ + .long reboot /* exception vector: 245 */ + .long reboot /* exception vector: 246 */ + .long reboot /* exception vector: 247 */ + .long reboot /* exception vector: 248 */ + .long reboot /* exception vector: 249 */ + .long reboot /* exception vector: 250 */ + .long reboot /* exception vector: 251 */ + .long reboot /* exception vector: 252 */ + .long reboot /* exception vector: 253 */ + .long reboot /* exception vector: 254 */ + .long reboot /* exception vector: 255 */ + + +_reboot: + move #0x2700,%sr /* mask interrupts */ + movea.l (0x0).w,%a7 /* load stack */ + movea.l (0x4).w,%a0 /* jmp to location of reset vector */ + jmp (%a0) + +reboot: + trap #15 /* use trap exception to enter supervisor + state. Trace mode ( and other group 0 + and 1 exceptions) *could* screw this up if + not vectored to reboot or did not return. */ diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/linkcmds b/c/src/lib/libbsp/m68k/mrm332/startup/linkcmds new file mode 100644 index 0000000000..830f3a6572 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/linkcmds @@ -0,0 +1,153 @@ +/* linkcmds + * + * $Id$ + */ + +OUTPUT_ARCH(m68k) +__DYNAMIC = 0; + +/* + * The memory map looks like this: + * +--------------------+ <- low memory + * | .text | + * | etext | + * | ctor list | the ctor and dtor lists are for + * | dtor list | C++ support + * | _endtext | + * +--------------------+ + * | .data | initialized data goes here + * | _sdata | + * | _edata | + * +--------------------+ + * | .bss | + * | _clear_start| start of bss, cleared by crt0 + * | _end | start of heap, used by sbrk() + * +--------------------+ + * | heap space | + * | _ENDHEAP | + * | stack space | + * | __stack | top of stack + * +--------------------+ <- high memory + */ + +/* + * Declare some sizes. + */ +_RamBase = DEFINED(_RamBase) ? _RamBase : 0x03000; +_RamSize = DEFINED(_RamSize) ? _RamSize : 0x80000; +_RamEnd = _RamBase + _RamSize; +_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; +_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; + +MEMORY +{ + ram : ORIGIN = 0x03000, LENGTH = 0x7d000 +} + +_copy_data_from_rom = 0; + +/* + * stick everything in ram (of course) + */ +SECTIONS +{ + ram : { + . = .; + } >ram + + /* + * Text, data and bss segments + */ + .text : { + *(.text) + + /* + * C++ constructors/destructors + */ + *(.gnu.linkonce.t.*) + + /* + * Initialization and finalization code. + * + * Various files can provide initialization and finalization + * functions. crtbegin.o and crtend.o are two instances. The + * body of these functions are in .init and .fini sections. We + * accumulate the bodies here, and prepend function prologues + * from crti.o and function epilogues from crtn.o. crti.o must + * be linked first; crtn.o must be linked last. Because these + * are wildcards, it doesn't matter if the user does not + * actually link against crti.o and crtn.o; the linker won't + * look for a file to match a wildcard. The wildcard also + * means that it doesn't matter which directory crti.o and + * crtn.o are in. + */ + PROVIDE (_init = .); + *crti.o(.init) + *(.init) + *crtn.o(.init) + PROVIDE (_fini = .); + *crti.o(.fini) + *(.fini) + *crtn.o(.fini) + + /* + * C++ constructors/destructors + * + * gcc uses crtbegin.o to find the start of the constructors + * and destructors so we make sure it is first. Because this + * is a wildcard, it doesn't matter if the user does not + * actually link against crtbegin.o; the linker won't look for + * a file to match a wildcard. The wildcard also means that + * it doesn't matter which directory crtbegin.o is in. The + * constructor and destructor list are terminated in + * crtend.o. The same comments apply to it. + */ + . = ALIGN (16); + *crtbegin.o(.ctors) + *(.ctors) + *crtend.o(.ctors) + *crtbegin.o(.dtors) + *(.dtors) + *crtend.o(.dtors) + + /* + * Exception frame info + */ + . = ALIGN (16); + *(.eh_frame) + + /* + * Read-only data + */ + . = ALIGN (16); + _rodata_start = . ; + *(.rodata) + *(.gnu.linkonce.r*) + + . = ALIGN (16); + PROVIDE (_etext = .); + } >ram + .data : { + PROVIDE (_copy_start = .); + *(.data) + *(.gnu.linkonce.d*) + *(.gcc_except_table) + . = ALIGN (16); + PROVIDE (_edata = .); + PROVIDE (_copy_end = .); + } >ram + .bss : { + _clear_start = .; + *(.bss) + *(COMMON) + . = ALIGN (16); + PROVIDE (end = .); + + . += _StackSize; + . = ALIGN (16); + _stack_init = .; + _clear_end = .; + + _WorkspaceBase = .; + } >ram +} diff --git a/c/src/lib/libbsp/m68k/mrm332/startup/linkcmds_ROM b/c/src/lib/libbsp/m68k/mrm332/startup/linkcmds_ROM new file mode 100644 index 0000000000..7467f78a25 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/startup/linkcmds_ROM @@ -0,0 +1,163 @@ +/* linkcmds + * + * $Id$ + */ + +OUTPUT_ARCH(m68k) +STARTUP(except_vect_332_ROM.o) +__DYNAMIC = 0; + +/* + * ROM: + * +--------------------+ <- low memory + * | .text | + * | etext | + * | ctor list | the ctor and dtor lists are for + * | dtor list | C++ support + * | _endtext | + * | temporary .data | .data is moved to RAM by crt0 + * | | + * +--------------------+ <- high memory + * + * + * RAM: + * +--------------------+ <- low memory + * | .data | initialized data goes here + * | _sdata | + * | _edata | + * +--------------------+ + * | .bss | + * | __bss_start | start of bss, cleared by crt0 + * | _end | start of heap, used by sbrk() + * +--------------------+ + * | heap space | + * | _ENDHEAP | + * | stack space | + * | __stack | top of stack + * +--------------------+ <- high memory + */ + +MEMORY +{ + rom : ORIGIN = 0x90000, LENGTH = 0x70000 + ram : ORIGIN = 0x03000, LENGTH = 0x7d000 +} + +_RamBase = DEFINED(_RamBase) ? _RamBase : 0x003000; +_RamSize = DEFINED(_RamSize) ? _RamSize : 0x7d000; +_RamEnd = _RamBase + _RamSize; + +__end_of_ram = 0x080000; +_copy_data_from_rom = 1; +_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; +_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; + +/* + * + */ +SECTIONS +{ + .text : + { + . = .; + CREATE_OBJECT_SYMBOLS + text_start = .; + _text_start = .; + *(.text) + . = ALIGN (16); + + + /* + * Initialization and finalization code. + * + * Various files can provide initialization and finalization + * functions. crtbegin.o and crtend.o are two instances. The + * body of these functions are in .init and .fini sections. We + * accumulate the bodies here, and prepend function prologues + * from crti.o and function epilogues from crtn.o. crti.o must + * be linked first; crtn.o must be linked last. Because these + * are wildcards, it doesn't matter if the user does not + * actually link against crti.o and crtn.o; the linker won't + * look for a file to match a wildcard. The wildcard also + * means that it doesn't matter which directory crti.o and + * crtn.o are in. + */ + PROVIDE (_init = .); + *crti.o(.init) + *(.init) + *crtn.o(.init) + PROVIDE (_fini = .); + *crti.o(.fini) + *(.fini) + *crtn.o(.fini) + + *(.eh_fram) + . = ALIGN (16); + + /* + * Read-only data + */ + . = ALIGN (16); + _rodata_start = . ; + *(.rodata) + *(.gnu.linkonce.r*) + + etext = ALIGN(0x10); + __CTOR_LIST__ = .; + LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) + *(.ctors) + LONG(0) + __CTOR_END__ = .; + __DTOR_LIST__ = .; + LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) + *(.dtors) + LONG(0) + __DTOR_END__ = .; + *(.lit) + *(.shdata) + _etext = .; + _endtext = .; + } > rom + .gcc_exc : + AT ( ADDR(.text) + SIZEOF( .text ) ) + { + *(.gcc_exc) + } > ram + .data : + { + data_start = .; + _data_start = .; + _copy_start = .; + _sdata = . ; + *(.data) + CONSTRUCTORS + edata = ALIGN(0x10); + _edata = .; + } > ram + .shbss : + { + *(.shbss) + } > ram + .bss : + { + __bss_start = ALIGN(0x8); + bss_start = .; + _bss_start = .; + _clear_start = .; + *(.bss) + *(COMMON) + end = .; + _end = ALIGN(0x8); + __end = ALIGN(0x8); + + _WorkspaceBase = . + _StackSize; + } > ram + .stab . (NOLOAD) : + { + [ .stab ] + } + .stabstr . (NOLOAD) : + { + [ .stabstr ] + } +} diff --git a/c/src/lib/libbsp/m68k/mrm332/timer/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/timer/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/timer/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/timer/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/timer/Makefile.am new file mode 100644 index 0000000000..5c2b8edf56 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/timer/Makefile.am @@ -0,0 +1,32 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/timer.rel + +C_FILES = timer.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PGM): $(OBJS) + $(make-rel) + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile + +all-local: $(ARCH) $(OBJS) $(PGM) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = timer.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/mrm332/timer/timer.c b/c/src/lib/libbsp/m68k/mrm332/timer/timer.c new file mode 100644 index 0000000000..7fa8f3b718 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/timer/timer.c @@ -0,0 +1,83 @@ +/* Timer_init() + * + * This routine initializes a timer in efi68k's DP8570A TCP + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * NOTE: It is important that the timer start/stop overhead be + * determined when porting or modifying this code. + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + + +#include <bsp.h> + +rtems_boolean Timer_driver_Find_average_overhead; + +extern rtems_isr Clock_isr(); + +void Timer_initialize( void ) +{ +} + +/* + * The following controls the behavior of Read_timer(). + * + * FIND_AVG_OVERHEAD * instructs the routine to return the "raw" count. + * + * AVG_OVEREHAD is the overhead for starting and stopping the timer. It + * is usually deducted from the number returned. + * + * LEAST_VALID is the lowest number this routine should trust. Numbers + * below this are "noise" and zero is returned. + */ + +#define AVG_OVERHEAD 0 /* It typically takes X.X microseconds */ + /* (Y countdowns) to start/stop the timer. */ + /* This value is in microseconds. */ +#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */ + +/* + * Return timer value in 1/2-microsecond units + */ +int Read_timer( void ) +{ + rtems_unsigned32 total; + total = 0; + + if ( Timer_driver_Find_average_overhead == 1 ) + return total; /* in XXX microsecond units */ + + if ( total < LEAST_VALID ) + return 0; /* below timer resolution */ + + return (total - AVG_OVERHEAD); +} + + +/* + * Empty function call used in loops to measure basic cost of looping + * in Timing Test Suite. + */ + +rtems_status_code Empty_function(void) +{ + return RTEMS_SUCCESSFUL; +} + +void Set_find_average_overhead( + rtems_boolean find_flag +) +{ + Timer_driver_Find_average_overhead = find_flag; +} diff --git a/c/src/lib/libbsp/m68k/mrm332/times b/c/src/lib/libbsp/m68k/mrm332/times new file mode 100644 index 0000000000..c9cd936ed2 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/times @@ -0,0 +1,195 @@ +# +# Timing Test Suite Results for the EFI332 BSP +# +# $Id$ +# + +NOTE: This BSP is used submitted and no information is currently available. + +TBD: MATT - update this with real times! + +Board: EFI332 +CPU: 68332 +Clock Speed: 20 Mhz +Memory Configuration: SRAM, DRAM, cache, etc +Wait States: + +Times Reported in: cycles, microseconds, etc +Timer Source: Count Down Timer, on-CPU cycle counter, etc + +Column A: unused +Column B: unused + +# DESCRIPTION A B +== ================================================================= ==== ==== + 1 rtems_semaphore_create 20 + rtems_semaphore_delete 21 + rtems_semaphore_obtain: available 15 + rtems_semaphore_obtain: not available -- NO_WAIT 15 + rtems_semaphore_release: no waiting tasks 16 + + 2 rtems_semaphore_obtain: not available -- caller blocks 62 + + 3 rtems_semaphore_release: task readied -- preempts caller 55 + + 4 rtems_task_restart: blocked task -- preempts caller 77 + rtems_task_restart: ready task -- preempts caller 70 + rtems_semaphore_release: task readied -- returns to caller 25 + rtems_task_create 57 + rtems_task_start 31 + rtems_task_restart: suspended task -- returns to caller 36 + rtems_task_delete: suspended task 47 + rtems_task_restart: ready task -- returns to caller 37 + rtems_task_restart: blocked task -- returns to caller 46 + rtems_task_delete: blocked task 50 + + 5 rtems_task_suspend: calling task 51 + rtems_task_resume: task readied -- preempts caller 49 + + 6 rtems_task_restart: calling task 59 + rtems_task_suspend: returns to caller 18 + rtems_task_resume: task readied -- returns to caller 19 + rtems_task_delete: ready task 50 + + 7 rtems_task_restart: suspended task -- preempts caller 70 + + 8 rtems_task_set_priority: obtain current priority 12 + rtems_task_set_priority: returns to caller 27 + rtems_task_mode: obtain current mode 5 + rtems_task_mode: no reschedule 5 + rtems_task_mode: reschedule -- returns to caller 8 + rtems_task_mode: reschedule -- preempts caller 39 + rtems_task_set_note 13 + rtems_task_get_note 13 + rtems_clock_set 33 + rtems_clock_get 3 + + 9 rtems_message_queue_create 110 + rtems_message_queue_send: no waiting tasks 37 + rtems_message_queue_urgent: no waiting tasks 37 + rtems_message_queue_receive: available 31 + rtems_message_queue_flush: no messages flushed 12 + rtems_message_queue_flush: messages flushed 16 + rtems_message_queue_delete 26 + +10 rtems_message_queue_receive: not available -- NO_WAIT 15 + rtems_message_queue_receive: not available -- caller blocks 62 + +11 rtems_message_queue_send: task readied -- preempts caller 72 + +12 rtems_message_queue_send: task readied -- returns to caller 39 + +13 rtems_message_queue_urgent: task readied -- preempts caller 72 + +14 rtems_message_queue_urgent: task readied -- returns to caller 39 + +15 rtems_event_receive: obtain current events 1 + rtems_event_receive: not available -- NO_WAIT 12 + rtems_event_receive: not available -- caller blocks 56 + rtems_event_send: no task readied 12 + rtems_event_receive: available 12 + rtems_event_send: task readied -- returns to caller 24 + +16 rtems_event_send: task readied -- preempts caller 55 + +17 rtems_task_set_priority: preempts caller 62 + +18 rtems_task_delete: calling task 83 + +19 rtems_signal_catch 9 + rtems_signal_send: returns to caller 15 + rtems_signal_send: signal to self 18 + exit ASR overhead: returns to calling task 22 + exit ASR overhead: returns to preempting task 49 + +20 rtems_partition_create 35 + rtems_region_create 23 + rtems_partition_get_buffer: available 15 + rtems_partition_get_buffer: not available 13 + rtems_partition_return_buffer 18 + rtems_partition_delete 16 + rtems_region_get_segment: available 22 + rtems_region_get_segment: not available -- NO_WAIT 21 + rtems_region_return_segment: no waiting tasks 19 + rtems_region_get_segment: not available -- caller blocks 64 + rtems_region_return_segment: task readied -- preempts caller 74 + rtems_region_return_segment: task readied -- returns to caller 44 + rtems_region_delete 16 + rtems_io_initialize 2 + rtems_io_open 1 + rtems_io_close 1 + rtems_io_read 1 + rtems_io_write 1 + rtems_io_control 1 + +21 rtems_task_ident 149 + rtems_message_queue_ident 145 + rtems_semaphore_ident 156 + rtems_partition_ident 145 + rtems_region_ident 148 + rtems_port_ident 145 + rtems_timer_ident 145 + rtems_rate_monotonic_ident 145 + +22 rtems_message_queue_broadcast: task readied -- returns to caller 42 + rtems_message_queue_broadcast: no waiting tasks 17 + rtems_message_queue_broadcast: task readied -- preempts caller 78 + +23 rtems_timer_create 14 + rtems_timer_fire_after: inactive 22 + rtems_timer_fire_after: active 24 + rtems_timer_cancel: active 15 + rtems_timer_cancel: inactive 13 + rtems_timer_reset: inactive 21 + rtems_timer_reset: active 23 + rtems_timer_fire_when: inactive 34 + rtems_timer_fire_when: active 34 + rtems_timer_delete: active 19 + rtems_timer_delete: inactive 17 + rtems_task_wake_when 69 + +24 rtems_task_wake_after: yield -- returns to caller 9 + rtems_task_wake_after: yields -- preempts caller 45 + +25 rtems_clock_tick 4 + +26 _ISR_Disable 0 + _ISR_Flash 1 + _ISR_Enable 1 + _Thread_Disable_dispatch 0 + _Thread_Enable_dispatch 7 + _Thread_Set_state 11 + _Thread_Disptach (NO FP) 31 + context switch: no floating point contexts 21 + context switch: self 10 + context switch: to another task 10 + context switch: restore 1st FP task 25 + fp context switch: save idle, restore idle 31 + fp context switch: save idle, restore initialized 19 + fp context switch: save initialized, restore initialized 20 + _Thread_Resume 7 + _Thread_Unblock 7 + _Thread_Ready 9 + _Thread_Get 4 + _Semaphore_Get 2 + _Thread_Get: invalid id 0 + +27 interrupt entry overhead: returns to interrupted task 6 + interrupt exit overhead: returns to interrupted task 6 + interrupt entry overhead: returns to nested interrupt 6 + interrupt exit overhead: returns to nested interrupt 5 + interrupt entry overhead: returns to preempting task 7 + interrupt exit overhead: returns to preempting task 36 + +28 rtems_port_create 16 + rtems_port_external_to_internal 11 + rtems_port_internal_to_external 11 + rtems_port_delete 16 + +29 rtems_rate_monotonic_create 15 + rtems_rate_monotonic_period: initiate period -- returns to caller 21 + rtems_rate_monotonic_period: obtain status 13 + rtems_rate_monotonic_cancel 16 + rtems_rate_monotonic_delete: inactive 18 + rtems_rate_monotonic_delete: active 20 + rtems_rate_monotonic_period: conclude periods -- caller blocks 53 diff --git a/c/src/lib/libbsp/m68k/mrm332/wrapup/.cvsignore b/c/src/lib/libbsp/m68k/mrm332/wrapup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/wrapup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/m68k/mrm332/wrapup/Makefile.am b/c/src/lib/libbsp/m68k/mrm332/wrapup/Makefile.am new file mode 100644 index 0000000000..5b82482da1 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/wrapup/Makefile.am @@ -0,0 +1,32 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +BSP_PIECES = startup clock console spurious timer + +# bummer; have to use $foreach since % pattern subst rules only replace 1x +OBJS = $(foreach piece, $(BSP_PIECES), $(wildcard ../$(piece)/$(ARCH)/*.o)) +LIB = $(ARCH)/libbsp.a + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(LIB): $(OBJS) + $(make-library) + +$(PROJECT_RELEASE)/lib/libbsp$(LIB_VARIANT).a: $(LIB) + $(INSTALL_DATA) $< $@ + +TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/libbsp$(LIB_VARIANT).a + +all-local: $(ARCH) $(OBJS) $(LIB) $(TMPINSTALL_FILES) + +.PRECIOUS: $(LIB) + +include $(top_srcdir)/../../../../../../automake/local.am |