diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/include/bsp.h | 114 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/include/coverhd.h | 135 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/startup/bspclean.c | 44 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c | 194 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c | 58 |
5 files changed, 545 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h b/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h new file mode 100644 index 0000000000..a18ca343bd --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h @@ -0,0 +1,114 @@ +/* bsp.h + * + * This include file contains all Papyrus board IO definitions. + * + * Author: Andrew Bray <andy@i-cubed.demon.co.uk> + * + * COPYRIGHT (c) 1995 by i-cubed ltd. + * + * To anyone who acknowledges that this file is provided "AS IS" + * without any express or implied warranty: + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of i-cubed limited not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * i-cubed limited makes no representations about the suitability + * of this software for any purpose. + * + * Derived from c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * bsp.h,v 1.2 1995/05/31 16:56:13 joel Exp + */ + +#ifndef __PAPYRUS_h +#define __PAPYRUS_h + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef ASM +/* Definition of where to store registers in alignment handler */ +#define ALIGN_REGS 0x0140 + +#else +#include <rtems.h> + +/* + * 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 */ + +/* + * Stuff for Time Test 27 + */ + +#define MUST_WAIT_FOR_INTERRUPT 0 + +#define Install_tm27_vector( handler ) set_vector( (handler), PPC_IRQ_SCALL, 1 ) + +#define Cause_tm27_intr() asm volatile ("sc") + +#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 ) \ + { \ + unsigned32 start, ticks, now; \ + asm volatile ("mftblo %0" : "=r" (start)); \ + ticks = (microseconds) * Cpu_table.clicks_per_usec; \ + do \ + asm volatile ("mftblo %0" : "=r" (now)); \ + while (now - start < ticks); \ + } + +/* Constants */ + +#define RAM_START 0 +#define RAM_END 0x00200000 + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; /* owned by BSP */ +extern rtems_cpu_table Cpu_table; /* owned by BSP */ + +/* functions */ + +void bsp_start( void ); +void bsp_cleanup( void ); + +rtems_isr_entry set_vector( /* returns old vector */ + rtems_isr_entry handler, /* isr routine */ + rtems_vector_number vector, /* vector number */ + int type /* RTEMS or RAW intr */ +); +#endif /* ASM */ + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ diff --git a/c/src/lib/libbsp/powerpc/papyrus/include/coverhd.h b/c/src/lib/libbsp/powerpc/papyrus/include/coverhd.h new file mode 100644 index 0000000000..fa419147bd --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/include/coverhd.h @@ -0,0 +1,135 @@ +/* coverhd.h + * + * This include file has defines to represent the overhead associated + * with calling a particular directive from C. These are used in the + * Timing Test Suite to ignore the overhead required to pass arguments + * to directives. On some CPUs and/or target boards, this overhead + * is significant and makes it difficult to distinguish internal + * RTEMS execution time from that used to call the directive. + * This file should be updated after running the C overhead timing + * test. Once this update has been performed, the RTEMS Time Test + * Suite should be rebuilt to account for these overhead times in the + * timing results. + * + * NOTE: If these are all zero, then the times reported include all + * all calling overhead including passing of arguments. + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * coverhd.h,v 1.2 1995/05/31 16:56:15 joel Exp + */ + +/* + * Updated for a 25MHz Papyrus by Andrew Bray <andy@i-cubed.demon.co.uk> + * + * Units are 100ns. + * + * These numbers are of questionable use, as they are developed by calling + * the routine many times, thus getting its entry veneer into the (small) + * cache on the 403GA. This in general is not true of the RTEMS timing + * tests, which usually call a routine only once, thus having no cache loaded + * advantage. + * + * Whether the directive times are useful after deducting the function call + * overhead is also questionable. The user is more interested generally + * in the total cost of a directive, not the cost if the procedure call + * is inlined! (In general this is not true). + * + * Andrew Bray 18/08/1995 + * + */ + +#ifndef __COVERHD_h +#define __COVERHD_h + +#ifdef __cplusplus +extern "C" { +#endif + +#define CALLING_OVERHEAD_INITIALIZE_EXECUTIVE 1 +#define CALLING_OVERHEAD_SHUTDOWN_EXECUTIVE 1 +#define CALLING_OVERHEAD_TASK_CREATE 3 +#define CALLING_OVERHEAD_TASK_IDENT 1 +#define CALLING_OVERHEAD_TASK_START 1 +#define CALLING_OVERHEAD_TASK_RESTART 1 +#define CALLING_OVERHEAD_TASK_DELETE 1 +#define CALLING_OVERHEAD_TASK_SUSPEND 1 +#define CALLING_OVERHEAD_TASK_RESUME 1 +#define CALLING_OVERHEAD_TASK_SET_PRIORITY 1 +#define CALLING_OVERHEAD_TASK_MODE 1 +#define CALLING_OVERHEAD_TASK_GET_NOTE 1 +#define CALLING_OVERHEAD_TASK_SET_NOTE 1 +#define CALLING_OVERHEAD_TASK_WAKE_WHEN 4 +#define CALLING_OVERHEAD_TASK_WAKE_AFTER 1 +#define CALLING_OVERHEAD_INTERRUPT_CATCH 1 +#define CALLING_OVERHEAD_CLOCK_GET 4 +#define CALLING_OVERHEAD_CLOCK_SET 3 +#define CALLING_OVERHEAD_CLOCK_TICK 1 + +#define CALLING_OVERHEAD_TIMER_CREATE 1 +#define CALLING_OVERHEAD_TIMER_IDENT 1 +#define CALLING_OVERHEAD_TIMER_DELETE 1 +#define CALLING_OVERHEAD_TIMER_FIRE_AFTER 2 +#define CALLING_OVERHEAD_TIMER_FIRE_WHEN 5 +#define CALLING_OVERHEAD_TIMER_RESET 1 +#define CALLING_OVERHEAD_TIMER_CANCEL 1 +#define CALLING_OVERHEAD_SEMAPHORE_CREATE 2 +#define CALLING_OVERHEAD_SEMAPHORE_IDENT 1 +#define CALLING_OVERHEAD_SEMAPHORE_DELETE 1 +#define CALLING_OVERHEAD_SEMAPHORE_OBTAIN 1 +#define CALLING_OVERHEAD_SEMAPHORE_RELEASE 1 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_CREATE 2 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_IDENT 1 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_DELETE 1 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_SEND 1 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_URGENT 1 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST 1 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE 2 +#define CALLING_OVERHEAD_MESSAGE_QUEUE_FLUSH 1 + +#define CALLING_OVERHEAD_EVENT_SEND 1 +#define CALLING_OVERHEAD_EVENT_RECEIVE 2 +#define CALLING_OVERHEAD_SIGNAL_CATCH 1 +#define CALLING_OVERHEAD_SIGNAL_SEND 1 +#define CALLING_OVERHEAD_PARTITION_CREATE 3 +#define CALLING_OVERHEAD_PARTITION_IDENT 1 +#define CALLING_OVERHEAD_PARTITION_DELETE 1 +#define CALLING_OVERHEAD_PARTITION_GET_BUFFER 1 +#define CALLING_OVERHEAD_PARTITION_RETURN_BUFFER 1 +#define CALLING_OVERHEAD_REGION_CREATE 3 +#define CALLING_OVERHEAD_REGION_IDENT 1 +#define CALLING_OVERHEAD_REGION_DELETE 1 +#define CALLING_OVERHEAD_REGION_GET_SEGMENT 2 +#define CALLING_OVERHEAD_REGION_RETURN_SEGMENT 1 +#define CALLING_OVERHEAD_PORT_CREATE 2 +#define CALLING_OVERHEAD_PORT_IDENT 1 +#define CALLING_OVERHEAD_PORT_DELETE 1 +#define CALLING_OVERHEAD_PORT_EXTERNAL_TO_INTERNAL 1 +#define CALLING_OVERHEAD_PORT_INTERNAL_TO_EXTERNAL 2 + +#define CALLING_OVERHEAD_IO_INITIALIZE 2 +#define CALLING_OVERHEAD_IO_OPEN 2 +#define CALLING_OVERHEAD_IO_CLOSE 2 +#define CALLING_OVERHEAD_IO_READ 2 +#define CALLING_OVERHEAD_IO_WRITE 2 +#define CALLING_OVERHEAD_IO_CONTROL 2 +#define CALLING_OVERHEAD_FATAL_ERROR_OCCURRED 1 +#define CALLING_OVERHEAD_RATE_MONOTONIC_CREATE 1 +#define CALLING_OVERHEAD_RATE_MONOTONIC_IDENT 1 +#define CALLING_OVERHEAD_RATE_MONOTONIC_DELETE 1 +#define CALLING_OVERHEAD_RATE_MONOTONIC_CANCEL 1 +#define CALLING_OVERHEAD_RATE_MONOTONIC_PERIOD 1 +#define CALLING_OVERHEAD_MULTIPROCESSING_ANNOUNCE 1 + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/bspclean.c b/c/src/lib/libbsp/powerpc/papyrus/startup/bspclean.c new file mode 100644 index 0000000000..876ed1b659 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/startup/bspclean.c @@ -0,0 +1,44 @@ +/* bsp_cleanup() + * + * This routine normally is part of start.s and usually returns + * control to a monitor. + * + * INPUT: NONE + * + * OUTPUT: NONE + * + * Author: Andrew Bray <andy@i-cubed.demon.co.uk> + * + * COPYRIGHT (c) 1995 by i-cubed ltd. + * + * To anyone who acknowledges that this file is provided "AS IS" + * without any express or implied warranty: + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of i-cubed limited not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * i-cubed limited makes no representations about the suitability + * of this software for any purpose. + * + * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspclean.c: + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * bspclean.c,v 1.2 1995/05/31 16:56:27 joel Exp + */ + +#include <rtems.h> +#include <bsp.h> + +void bsp_cleanup( void ) +{ + rtems_fatal_error_occurred(0); +} diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c new file mode 100644 index 0000000000..a018c4cbfb --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c @@ -0,0 +1,194 @@ +/* bsp_start() + * + * 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. + * + * INPUT: NONE + * + * OUTPUT: NONE + * + * Author: Andrew Bray <andy@i-cubed.demon.co.uk> + * + * COPYRIGHT (c) 1995 by i-cubed ltd. + * + * To anyone who acknowledges that this file is provided "AS IS" + * without any express or implied warranty: + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of i-cubed limited not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * i-cubed limited makes no representations about the suitability + * of this software for any purpose. + * + * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c: + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * bspstart.c,v 1.2 1995/05/31 16:56:29 joel Exp + */ + +#include <rtems.h> +#include <bsp.h> +#include <shm.h> +#include <libcsupport.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; + +/* Initialize whatever libc we are using + * called from postdriver hook + */ + +void bsp_libc_init() +{ + extern int _end; + rtems_unsigned32 heap_start; + + heap_start = (rtems_unsigned32) &_end; + if (heap_start & (CPU_ALIGNMENT-1)) + heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); + + /* + * The last parameter to RTEMS_Malloc_Initialize is the "chunk" + * size which a multiple of will be requested on each sbrk() + * call by malloc(). A value of 0 indicates that sbrk() should + * not be called to extend the heap. + */ + + RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0); + + /* + * Set up for the libc handling. + */ + + if (BSP_Configuration.ticks_per_timeslice > 0) + libc_init(1); /* reentrant if possible */ + else + libc_init(0); /* non-reentrant */ + + /* + * Initialize the stack bounds checker + */ + +#ifdef STACK_CHECKER_ON + Stack_check_Initialize(); +#endif +} + +void bsp_start(void) +{ + /* + * Allocate the memory for the RTEMS Work Space. This can come from + * a variety of places: hard coded address, malloc'ed from outside + * RTEMS world (e.g. simulator or primitive memory manager), or (as + * typically done by stock BSPs) by subtracting the required amount + * of work space from the last physical address on the CPU board. + */ + + /* + * Copy the Configuration Table .. so we can change it + */ + + BSP_Configuration = Configuration; + + /* + * Add 1 region for the RTEMS Malloc + */ + + BSP_Configuration.maximum_regions++; + + /* + * Add 1 extension for newlib libc + */ + +#ifdef RTEMS_NEWLIB + BSP_Configuration.maximum_extensions++; +#endif + + /* + * Add 1 extension for stack checker + */ + +#ifdef STACK_CHECKER_ON + BSP_Configuration.maximum_extensions++; +#endif + + /* + * Need to "allocate" the memory for the RTEMS Workspace and + * tell the RTEMS configuration where it is. This memory is + * not malloc'ed. It is just "pulled from the air". + */ + +/*BSP_Configuration.work_space_size *= 4;*/ + + BSP_Configuration.work_space_start = (void *) + RAM_END - BSP_Configuration.work_space_size; + + /* + * initialize the CPU table for this BSP + */ + + /* + * we do not use the pretasking_hook + */ + + Cpu_table.pretasking_hook = NULL; + + Cpu_table.predriver_hook = bsp_libc_init; /* RTEMS resources available */ + + Cpu_table.postdriver_hook = NULL; + + Cpu_table.idle_task = NULL; /* do not override system IDLE task */ + + Cpu_table.do_zero_of_workspace = TRUE; + + Cpu_table.interrupt_stack_size = 4 * 1024; + + Cpu_table.extra_system_initialization_stack = 0; + + /* + * Don't forget the other CPU Table entries. + */ + + Cpu_table.clicks_per_usec = 10; + + Cpu_table.serial_per_sec = 10000000; + + Cpu_table.serial_external_clock = 1; + + Cpu_table.serial_xon_xoff = 0; + + Cpu_table.serial_cts_rts = 1; + + Cpu_table.serial_rate = 9600; + + Cpu_table.timer_average_overhead = 2; + + Cpu_table.timer_least_valid = 3; + + /* + * Start RTEMS + */ + + rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); + + bsp_cleanup(); +} diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c b/c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c new file mode 100644 index 0000000000..73752d9b47 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/startup/setvec.c @@ -0,0 +1,58 @@ +/* set_vector + * + * This routine installs an interrupt vector on the target Board/CPU. + * This routine is allowed to be as board dependent as necessary. + * + * INPUT: + * handler - interrupt handler entry point + * vector - vector number + * type - 0 indicates raw hardware connect + * 1 indicates RTEMS interrupt connect + * + * RETURNS: + * address of previous interrupt handler + * + * Author: Andrew Bray <andy@i-cubed.demon.co.uk> + * + * COPYRIGHT (c) 1995 by i-cubed ltd. + * + * To anyone who acknowledges that this file is provided "AS IS" + * without any express or implied warranty: + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of i-cubed limited not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * i-cubed limited makes no representations about the suitability + * of this software for any purpose. + * + * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/setvec.c: + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * setvec.c,v 1.2 1995/05/31 16:56:35 joel Exp + */ + +#include <rtems.h> +#include <bsp.h> + +rtems_isr_entry set_vector( /* returns old vector */ + rtems_isr_entry handler, /* isr routine */ + rtems_vector_number vector, /* vector number */ + int type /* RTEMS or RAW intr */ +) +{ + rtems_isr_entry previous_isr; + + rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); + + return previous_isr; +} + |