From f849f3ee1f41b9298d840bc79c1e7be4cc4a6249 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 14 Mar 2001 17:19:53 +0000 Subject: 2001-02-22 Joel Sherrill * The Generic Mongoose-V BSP uses only the peripherals found on the Synova Mongoose-V CPU. This is a radiation hardened CPU based on the LSI Logic 33K. * .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.in, clock/.cvsignore, clock/Makefile.am, clock/clockdrv.c, console/.cvsignore, console/Makefile.am, console/conscfg.c, include/.cvsignore, include/Makefile.am, include/bsp.h, start/.cvsignore, start/Makefile.am, start/regs.S, start/start.S, startup/.cvsignore, startup/Makefile.am, startup/bspstart.c, startup/linkcmds, timer/.cvsignore, timer/Makefile.am, timer/timer.c, wrapup/.cvsignore, wrapup/Makefile.am: New files. --- c/src/lib/libbsp/mips/genmongoosev/.cvsignore | 13 ++ c/src/lib/libbsp/mips/genmongoosev/ChangeLog | 14 ++ c/src/lib/libbsp/mips/genmongoosev/Makefile.am | 17 ++ c/src/lib/libbsp/mips/genmongoosev/README | 65 ++++++ c/src/lib/libbsp/mips/genmongoosev/bsp_specs | 23 ++ .../lib/libbsp/mips/genmongoosev/clock/.cvsignore | 2 + .../lib/libbsp/mips/genmongoosev/clock/Makefile.am | 36 ++++ .../lib/libbsp/mips/genmongoosev/clock/clockdrv.c | 54 +++++ c/src/lib/libbsp/mips/genmongoosev/configure.in | 36 ++++ .../libbsp/mips/genmongoosev/console/.cvsignore | 2 + .../libbsp/mips/genmongoosev/console/Makefile.am | 35 ++++ .../lib/libbsp/mips/genmongoosev/console/conscfg.c | 77 +++++++ .../libbsp/mips/genmongoosev/include/.cvsignore | 2 + .../libbsp/mips/genmongoosev/include/Makefile.am | 25 +++ c/src/lib/libbsp/mips/genmongoosev/include/bsp.h | 106 ++++++++++ .../lib/libbsp/mips/genmongoosev/start/.cvsignore | 2 + .../lib/libbsp/mips/genmongoosev/start/Makefile.am | 33 +++ c/src/lib/libbsp/mips/genmongoosev/start/regs.S | 138 ++++++++++++ c/src/lib/libbsp/mips/genmongoosev/start/start.S | 231 +++++++++++++++++++++ .../libbsp/mips/genmongoosev/startup/.cvsignore | 2 + .../libbsp/mips/genmongoosev/startup/Makefile.am | 40 ++++ .../libbsp/mips/genmongoosev/startup/bspstart.c | 122 +++++++++++ .../lib/libbsp/mips/genmongoosev/startup/linkcmds | 157 ++++++++++++++ .../lib/libbsp/mips/genmongoosev/timer/.cvsignore | 2 + .../lib/libbsp/mips/genmongoosev/timer/Makefile.am | 33 +++ c/src/lib/libbsp/mips/genmongoosev/timer/timer.c | 95 +++++++++ .../lib/libbsp/mips/genmongoosev/wrapup/.cvsignore | 2 + .../libbsp/mips/genmongoosev/wrapup/Makefile.am | 36 ++++ 28 files changed, 1400 insertions(+) create mode 100644 c/src/lib/libbsp/mips/genmongoosev/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/ChangeLog create mode 100644 c/src/lib/libbsp/mips/genmongoosev/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/README create mode 100644 c/src/lib/libbsp/mips/genmongoosev/bsp_specs create mode 100644 c/src/lib/libbsp/mips/genmongoosev/clock/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/clock/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c create mode 100644 c/src/lib/libbsp/mips/genmongoosev/configure.in create mode 100644 c/src/lib/libbsp/mips/genmongoosev/console/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/console/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/console/conscfg.c create mode 100644 c/src/lib/libbsp/mips/genmongoosev/include/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/include/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/include/bsp.h create mode 100644 c/src/lib/libbsp/mips/genmongoosev/start/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/start/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/start/regs.S create mode 100644 c/src/lib/libbsp/mips/genmongoosev/start/start.S create mode 100644 c/src/lib/libbsp/mips/genmongoosev/startup/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/startup/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/startup/bspstart.c create mode 100644 c/src/lib/libbsp/mips/genmongoosev/startup/linkcmds create mode 100644 c/src/lib/libbsp/mips/genmongoosev/timer/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/timer/Makefile.am create mode 100644 c/src/lib/libbsp/mips/genmongoosev/timer/timer.c create mode 100644 c/src/lib/libbsp/mips/genmongoosev/wrapup/.cvsignore create mode 100644 c/src/lib/libbsp/mips/genmongoosev/wrapup/Makefile.am (limited to 'c') diff --git a/c/src/lib/libbsp/mips/genmongoosev/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/.cvsignore new file mode 100644 index 0000000000..525275c115 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/.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/mips/genmongoosev/ChangeLog b/c/src/lib/libbsp/mips/genmongoosev/ChangeLog new file mode 100644 index 0000000000..c2e29b2b21 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/ChangeLog @@ -0,0 +1,14 @@ +2001-02-22 Joel Sherrill + + * The Generic Mongoose-V BSP uses only the peripherals found on + the Synova Mongoose-V CPU. This is a radiation hardened CPU + based on the LSI Logic 33K. + * .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.in, + clock/.cvsignore, clock/Makefile.am, clock/clockdrv.c, + console/.cvsignore, console/Makefile.am, console/conscfg.c, + include/.cvsignore, include/Makefile.am, include/bsp.h, + start/.cvsignore, start/Makefile.am, start/regs.S, start/start.S, + startup/.cvsignore, startup/Makefile.am, startup/bspstart.c, + startup/linkcmds, timer/.cvsignore, timer/Makefile.am, timer/timer.c, + wrapup/.cvsignore, wrapup/Makefile.am: New files. + diff --git a/c/src/lib/libbsp/mips/genmongoosev/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/Makefile.am new file mode 100644 index 0000000000..a18be0ca0c --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/Makefile.am @@ -0,0 +1,17 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 +ACLOCAL_AMFLAGS = -I ../../../../../../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 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/mips/genmongoosev/README b/c/src/lib/libbsp/mips/genmongoosev/README new file mode 100644 index 0000000000..5f2fe9dde6 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/README @@ -0,0 +1,65 @@ +# +# $Id$ +# + +BSP supporting the on-CPU capabilities of the Synova Mongoose-V. +This BSP assumes that basic HW initialization is performed by +PMON. + +Address Map +=========== +This is the generic address map of the Mongoose-V prototyping board +this BSP was tested on. + +0x8000_0000 - 0x8FFF_FFFF - RAM (KSEG0 cached) +0xA000_0000 - 0xAFFF_FFFF - RAM (KSEG1, same memory uncached) +0xBFC0_0000 - 0xBFFF_FFFF - EEPROM +0xFFFE_xxxx - on-CPU peripherals + +This is the hardware address map of the board used as it was +actually populated. + +0x8000_0000 - 0x83FF_FFFF - 32 MB RAM (KSEG0 cached) +0xA000_0000 - 0xA3FF_FFFF - 32 MB RAM (KSEG1, same memory uncached) +0xBFC0_0000 - 0xBFDF_FFFF - 2 MB EEPROM +0xFFFE_xxxx - on-CPU peripherals + +This is the organization of the EEPROM when fully populated. Since +the board used to develop this BSP only had the first bank of EEPROM +populated, only the first program image area was used. + +0xBFC0_0000 - 0xBFC3_FFFF - PMON +0xBFC4_0000 - 0xBFC4_FFFF - reserved for boot loader +0xBFC5_0000 - 0xBFDF_FFFF - reserved for program 1 image +0xBFE0_0000 - 0xBFFF_FFFF - reserved for program 2 image + +The Mongoose-V on this board is at 12 Mhz. + +Downloading +=========== + +At startup, PMON looks for a to be pressed. If it is pressed, +then a PMON prompt is displayed. Otherwise, PMON automatically jumps +to the code at 0xBFC4_0000. This code may be a boot manager or +simply a collection of noop's that fall into the code at +0xBFC5_0000. If the code at 0xBFC4_0000 is a boot manager, then it +can determine which program image to load. This layout allows for the +possible compression of program images. Given that there is much +more RAM than EEPROM, compression could be desirable for certain +applications. + +Questions +========= + ++ XXX + +Status +====== + ++ untested + ++ no mkeeprom script + ++ start code must copy from EEPROM to RAM and then run. + ++ XXX diff --git a/c/src/lib/libbsp/mips/genmongoosev/bsp_specs b/c/src/lib/libbsp/mips/genmongoosev/bsp_specs new file mode 100644 index 0000000000..eecf37c5a0 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/bsp_specs @@ -0,0 +1,23 @@ +%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}} + +*link: +%(old_link) %{!qrtems: %(old_link)} %{qrtems: -dc -dp -N -e _start} + diff --git a/c/src/lib/libbsp/mips/genmongoosev/clock/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/clock/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/clock/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/clock/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/clock/Makefile.am new file mode 100644 index 0000000000..a282c31e54 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/clock/Makefile.am @@ -0,0 +1,36 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/clock.rel + +C_FILES = clockdrv.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/compile.am +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +# to include the shared clock driver shell +AM_CPPFLAGS += -I$(top_srcdir)/../../shared + +$(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 = clockdrv.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c b/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c new file mode 100644 index 0000000000..b2391da41e --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c @@ -0,0 +1,54 @@ +/* + * Instantiate the clock driver shell. + * + * The tx3904 simulator in gdb counts instructions. + * + * $Id$ + */ + +#include +#include +#include + +#if defined(USE_TIMER2_FOR_CLOCK) +#define CLOCK_BASE MONGOOSEV_TIMER2_BASE +#define CLOCK_VECTOR MONGOOSEV_IRQ_TIMER2 +#else +#define CLOCK_BASE MONGOOSEV_TIMER1_BASE +#define CLOCK_VECTOR MONGOOSEV_IRQ_TIMER1 +#endif + +/* reset Timeout (TO) bit */ +#define Clock_driver_support_at_tick() \ + MONGOOSEV_WRITE_REGISTER( \ + CLOCK_BASE, \ + MONGOOSEV_TIMER_CONTROL_REGISTER, \ + (MONGOOSEV_TIMER_CONTROL_COUNTER_ENABLE | \ + MONGOOSEV_TIMER_CONTROL_INTERRUPT_ENABLE) \ + ); + +#define Clock_driver_support_install_isr( _new, _old ) \ + do { \ + _old = set_vector( _new, CLOCK_VECTOR, 1 ); \ + } while(0) + + +extern int ClockRate; + +#define CLICKS (unsigned32) &ClockRate +#define Clock_driver_support_initialize_hardware() \ + do { \ + unsigned32 _clicks; \ + _clicks = CLICKS * rtems_configuration_get_microseconds_per_tick(); \ + MONGOOSEV_WRITE_REGISTER( \ + CLOCK_BASE, \ + MONGOOSEV_TIMER_INITIAL_COUNTER_REGISTER, \ + _clicks \ + ); \ + Clock_driver_support_at_tick(); \ + } while(0) + +#define Clock_driver_support_shutdown_hardware() \ + MONGOOSEV_WRITE_REGISTER( CLOCK_BASE, MONGOOSEV_TIMER_CONTROL_REGISTER, 0 ) + +#include diff --git a/c/src/lib/libbsp/mips/genmongoosev/configure.in b/c/src/lib/libbsp/mips/genmongoosev/configure.in new file mode 100644 index 0000000000..668acadc6f --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/configure.in @@ -0,0 +1,36 @@ +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-mips-genmongoosev,$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 +start/Makefile +startup/Makefile +timer/Makefile +wrapup/Makefile) + +RTEMS_OUTPUT_BUILD_SUBDIRS(RTEMS_BUILD_SUBDIRS) diff --git a/c/src/lib/libbsp/mips/genmongoosev/console/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/console/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/console/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/console/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/console/Makefile.am new file mode 100644 index 0000000000..6744d9d108 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/console/Makefile.am @@ -0,0 +1,35 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +VPATH = @srcdir@:@srcdir@/../../../shared + +PGM = $(ARCH)/console.rel + +C_FILES = conscfg.c 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/compile.am +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 = conscfg.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/mips/genmongoosev/console/conscfg.c b/c/src/lib/libbsp/mips/genmongoosev/console/conscfg.c new file mode 100644 index 0000000000..49f8ed79c0 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/console/conscfg.c @@ -0,0 +1,77 @@ +/* + * This file contains the libchip configuration information + * to instantiate the libchip driver for the on-CPU DUART + * and any other serial ports in the system. + * + * + * COPYRIGHT (c) 1989-2001. + * 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 + +#include +#include + +#if (CONSOLE_USE_INTERRUPTS) +#define MG5UART_FUNCTIONS &mg5uart_fns +#else +#define MG5UART_FUNCTIONS &mg5uart_fns_polled +#endif + +extern int ClockRate; +#define CLOCK_RATE (unsigned32) &ClockRate + +console_tbl Console_Port_Tbl[] = { +{ + "/dev/com0", /* sDeviceName */ + SERIAL_MG5UART, /* deviceType */ + MG5UART_FUNCTIONS, /* pDeviceFns */ + NULL, /* deviceProbe, assume it is there */ + NULL, /* pDeviceFlow */ + 16, /* ulMargin */ + 8, /* ulHysteresis */ + (void *) NULL, /* NULL */ /* pDeviceParams */ + MONGOOSEV_PERIPHERAL_COMMAND_REGISTER, /* ulCtrlPort1 */ + MONGOOSEV_UART0_BASE, /* ulCtrlPort2 */ + MG5UART_UART0, /* ulDataPort */ + NULL, /* getRegister */ + NULL, /* setRegister */ + NULL, /* unused */ /* getData */ + NULL, /* unused */ /* setData */ + CLOCK_RATE, /* ulClock */ + MONGOOSEV_IRQ_UART0_RX_FRAME_ERROR /* ulIntVector -- base for port */ +} +}; + +/* + * Declare some information used by the console driver + */ + +#define NUM_CONSOLE_PORTS (sizeof(Console_Port_Tbl)/sizeof(console_tbl)) + +unsigned long Console_Port_Count = NUM_CONSOLE_PORTS; + +console_data Console_Port_Data[NUM_CONSOLE_PORTS]; + +rtems_device_minor_number Console_Port_Minor; + + +/* + * printk() support that simply routes printk to stderr + */ + +#include + +void GENMG5_output_char(char c) { write( 2, &c, 1 ); } + +BSP_output_char_function_type BSP_output_char = GENMG5_output_char; +BSP_polling_getchar_function_type BSP_poll_char = NULL; + + diff --git a/c/src/lib/libbsp/mips/genmongoosev/include/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/include/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/include/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/include/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/include/Makefile.am new file mode 100644 index 0000000000..1d6c3074ec --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/include/Makefile.am @@ -0,0 +1,25 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +H_FILES = bsp.h ../../../shared/include/coverhd.h + +$(PROJECT_INCLUDE): + $(mkinstalldirs) $@ + +$(PROJECT_INCLUDE)/bsp.h: bsp.h + $(INSTALL_DATA) $< $@ + +$(PROJECT_INCLUDE)/coverhd.h: ../../../shared/include/coverhd.h + $(INSTALL_DATA) $< $@ + +TMPINSTALL_FILES += $(PROJECT_INCLUDE) $(PROJECT_INCLUDE)/bsp.h \ + $(PROJECT_INCLUDE)/coverhd.h + +all-local: $(TMPINSTALL_FILES) + +EXTRA_DIST = bsp.h + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/mips/genmongoosev/include/bsp.h b/c/src/lib/libbsp/mips/genmongoosev/include/bsp.h new file mode 100644 index 0000000000..d7b6f91bc6 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/include/bsp.h @@ -0,0 +1,106 @@ +/* bsp.h + * + * This include file contains some definitions specific to a board + * based upon the generic capabilities of a Mongoose-V. + * + * COPYRIGHT (c) 1989-2000. + * 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 __GENERIC_MONGOOSE_V_h +#define __GENERIC_MONGOOSE_V_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include +#include + +/* + * 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 + * + * NOTE: Following are for XXX and are board independent + * + */ + +#define MUST_WAIT_FOR_INTERRUPT 1 + +#if 0 +#define Install_tm27_vector( handler ) \ + (void) set_vector( handler, MONGOOSEV_IRQ_SOFTWARE_1, 1 ); \ + +#define Cause_tm27_intr() \ + asm volatile ( "syscall 0x01" : : ); + +#define CLOCK_VECTOR MONGOOSEV_IRQ_TMR0 + +#define Clear_tm27_intr() + +#define Lower_tm27_intr() +#else +#define Install_tm27_vector( handler ) \ + (void) set_vector( handler, MONGOOSEV_IRQ_TMR0, 1 ); \ + +#define Cause_tm27_intr() \ + do { \ + ; \ + } while(0) + +#define Clear_tm27_intr() + +#define Lower_tm27_intr() + +#endif + +/* Constants */ + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; + +/* + * Device Driver Table Entries + */ + +/* + * NOTE: Use the standard Console driver entry + */ + +/* + * NOTE: Use the standard Clock driver entry + */ + +/* functions */ + +void bsp_cleanup( void ); + +rtems_isr_entry set_vector( + rtems_isr_entry, rtems_vector_number, int ); + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ diff --git a/c/src/lib/libbsp/mips/genmongoosev/start/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/start/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/start/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/start/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/start/Makefile.am new file mode 100644 index 0000000000..86053b9e99 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/start/Makefile.am @@ -0,0 +1,33 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +PGM = $(ARCH)/start.o + +S_FILES = start.S +S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o) + +OBJS = $(S_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/compile.am +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.S + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/mips/genmongoosev/start/regs.S b/c/src/lib/libbsp/mips/genmongoosev/start/regs.S new file mode 100644 index 0000000000..c673e5e1c9 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/start/regs.S @@ -0,0 +1,138 @@ +/* + * regs.S -- standard MIPS register names from + * newlib-1.8.2/libgloss/mips and adapted. + * + * Copyright (c) 1995 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +/* Standard MIPS register names: */ +#define zero $0 +#define z0 $0 +#define v0 $2 +#define v1 $3 +#define a0 $4 +#define a1 $5 +#define a2 $6 +#define a3 $7 +#define t0 $8 +#define t1 $9 +#define t2 $10 +#define t3 $11 +#define t4 $12 +#define t5 $13 +#define t6 $14 +#define t7 $15 +#define s0 $16 +#define s1 $17 +#define s2 $18 +#define s3 $19 +#define s4 $20 +#define s5 $21 +#define s6 $22 +#define s7 $23 +#define t8 $24 +#define t9 $25 +#define k0 $26 /* kernel private register 0 */ +#define k1 $27 /* kernel private register 1 */ +#define gp $28 /* global data pointer */ +#define sp $29 /* stack-pointer */ +#define fp $30 /* frame-pointer */ +#define ra $31 /* return address */ +#define pc $pc /* pc, used on mips16 */ + +#define fp0 $f0 +#define fp1 $f1 + +/* Useful memory constants: */ +#define K0BASE 0x80000000 +#ifndef __mips64 +#define K1BASE 0xA0000000 +#else +#define K1BASE 0xFFFFFFFFA0000000LL +#endif + +#define PHYS_TO_K1(a) ((unsigned)(a) | K1BASE) + +/* Standard Co-Processor 0 register numbers: +#define C0_COUNT $9 /* Count Register */ +#define C0_SR $12 /* Status Register */ +#define C0_CAUSE $13 /* last exception description */ +#define C0_EPC $14 /* Exception error address */ +#define C0_CONFIG $16 /* CPU configuration */ + +/* Standard Status Register bitmasks: */ +#define SR_CU1 0x20000000 /* Mark CP1 as usable */ +#define SR_FR 0x04000000 /* Enable MIPS III FP registers */ +#define SR_BEV 0x00400000 /* Controls location of exception vectors */ +#define SR_PE 0x00100000 /* Mark soft reset (clear parity error) */ + +#define SR_KX 0x00000080 /* Kernel extended addressing enabled */ +#define SR_SX 0x00000040 /* Supervisor extended addressing enabled */ +#define SR_UX 0x00000020 /* User extended addressing enabled */ + +/* Standard (R4000) cache operations. Taken from "MIPS R4000 + Microprocessor User's Manual" 2nd edition: */ + +#define CACHE_I (0) /* primary instruction */ +#define CACHE_D (1) /* primary data */ +#define CACHE_SI (2) /* secondary instruction */ +#define CACHE_SD (3) /* secondary data (or combined instruction/data) */ + +#define INDEX_INVALIDATE (0) /* also encodes WRITEBACK if CACHE_D or CACHE_SD */ +#define INDEX_LOAD_TAG (1) +#define INDEX_STORE_TAG (2) +#define CREATE_DIRTY_EXCLUSIVE (3) /* CACHE_D and CACHE_SD only */ +#define HIT_INVALIDATE (4) +#define CACHE_FILL (5) /* CACHE_I only */ +#define HIT_WRITEBACK_INVALIDATE (5) /* CACHE_D and CACHE_SD only */ +#define HIT_WRITEBACK (6) /* CACHE_I, CACHE_D and CACHE_SD only */ +#define HIT_SET_VIRTUAL (7) /* CACHE_SI and CACHE_SD only */ + +#define BUILD_CACHE_OP(o,c) (((o) << 2) | (c)) + +/* Individual cache operations: */ +#define INDEX_INVALIDATE_I BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_I) +#define INDEX_WRITEBACK_INVALIDATE_D BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_D) +#define INDEX_INVALIDATE_SI BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_SI) +#define INDEX_WRITEBACK_INVALIDATE_SD BUILD_CACHE_OP(INDEX_INVALIDATE,CACHE_SD) + +#define INDEX_LOAD_TAG_I BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_I) +#define INDEX_LOAD_TAG_D BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_D) +#define INDEX_LOAD_TAG_SI BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_SI) +#define INDEX_LOAD_TAG_SD BUILD_CACHE_OP(INDEX_LOAD_TAG,CACHE_SD) + +#define INDEX_STORE_TAG_I BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_I) +#define INDEX_STORE_TAG_D BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_D) +#define INDEX_STORE_TAG_SI BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_SI) +#define INDEX_STORE_TAG_SD BUILD_CACHE_OP(INDEX_STORE_TAG,CACHE_SD) + +#define CREATE_DIRTY_EXCLUSIVE_D BUILD_CACHE_OP(CREATE_DIRTY_EXCLUSIVE,CACHE_D) +#define CREATE_DIRTY_EXCLUSIVE_SD BUILD_CACHE_OP(CREATE_DIRTY_EXCLUSIVE,CACHE_SD) + +#define HIT_INVALIDATE_I BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_I) +#define HIT_INVALIDATE_D BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_D) +#define HIT_INVALIDATE_SI BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_SI) +#define HIT_INVALIDATE_SD BUILD_CACHE_OP(HIT_INVALIDATE,CACHE_SD) + +#define CACHE_FILL_I BUILD_CACHE_OP(CACHE_FILL,CACHE_I) +#define HIT_WRITEBACK_INVALIDATE_D BUILD_CACHE_OP(HIT_WRITEBACK_INVALIDATE,CACHE_D) +#define HIT_WRITEBACK_INVALIDATE_SD BUILD_CACHE_OP(HIT_WRITEBACK_INVALIDATE,CACHE_SD) + +#define HIT_WRITEBACK_I BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_I) +#define HIT_WRITEBACK_D BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_D) +#define HIT_WRITEBACK_SD BUILD_CACHE_OP(HIT_WRITEBACK,CACHE_SD) + +#define HIT_SET_VIRTUAL_SI BUILD_CACHE_OP(HIT_SET_VIRTUAL,CACHE_SI) +#define HIT_SET_VIRTUAL_SD BUILD_CACHE_OP(HIT_SET_VIRTUAL,CACHE_SD) + +/*> EOF regs.S <*/ diff --git a/c/src/lib/libbsp/mips/genmongoosev/start/start.S b/c/src/lib/libbsp/mips/genmongoosev/start/start.S new file mode 100644 index 0000000000..c484b7b0bd --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/start/start.S @@ -0,0 +1,231 @@ +/* + * start.S -- startup file for JMR3904 BSP based upon crt0.S from + * newlib-1.8.2/libgloss/mips and adapted for RTEMS. + * + * crt0.S -- startup file for MIPS. + * + * Copyright (c) 1995, 1996, 1997 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#ifdef __mips16 +/* This file contains 32 bit assembly code. */ + .set nomips16 +#endif + +#include +#include "regs.S" + +/* + * Set up some room for a stack. We just grab a chunk of memory. + */ +#define STACK_SIZE 0x4000 +#define GLOBAL_SIZE 0x2000 + +#define STARTUP_STACK_SIZE 0x0100 + +/* This is for referencing addresses that are not in the .sdata or + .sbss section under embedded-pic, or before we've set up gp. */ +#ifdef __mips_embedded_pic +# ifdef __mips64 +# define LA(t,x) la t,x-PICBASE ; daddu t,s0,t +# else +# define LA(t,x) la t,x-PICBASE ; addu t,s0,t +# endif +#else /* __mips_embedded_pic */ +# define LA(t,x) la t,x +#endif /* __mips_embedded_pic */ + + .comm __memsize, 12 + .comm __lstack, STARTUP_STACK_SIZE + .comm __stackbase,4 + + .text + .align 2 + +/* Without the following nop, GDB thinks _start is a data variable. + * This is probably a bug in GDB in handling a symbol that is at the + * start of the .text section. + */ + nop + + .globl _start + .ent _start +_start: + .set noreorder +#ifdef __mips_embedded_pic + PICBASE = .+8 + bal PICBASE + nop + move s0,$31 +#endif + + li v0, SR_CU1|SR_PE|SR_FR|SR_KX|SR_SX|SR_UX + mtc0 v0, C0_SR + mtc0 zero, C0_CAUSE + +/* Check for FPU presence */ +#ifndef __mips_soft_float +/* This doesn't work if there is no FPU. We get illegal instruction + exceptions. */ + li t2,0xAAAA5555 + mtc1 t2,fp0 /* write to FPR 0 */ + mtc1 zero,fp1 /* write to FPR 1 */ + mfc1 t0,fp0 + mfc1 t1,fp1 + nop + bne t0,t2,1f /* check for match */ + nop + bne t1,zero,1f /* double check */ + nop +#ifndef __mips64 /* Clear the FR bit */ + li v0, SR_CU1|SR_PE|SR_KX|SR_SX|SR_UX + mtc0 v0, C0_SR +#endif + j 2f + nop +#endif +1: + li v0, SR_PE|SR_FR|SR_KX|SR_SX|SR_UX + mtc0 v0, C0_SR +2: +/* Fix high bits, if any, of the PC so that exception handling + doesn't get confused. */ + LA (v0, 3f) + jr v0 + nop +3: + LA (gp, _gp) # set the global data pointer + .end _start + +/* + * zero out the bss section. + */ + .globl __memsize + .globl get_mem_info .text + .globl __stack + .globl __global + .globl zerobss + .ent zerobss +zerobss: + LA (v0, _fbss) + LA (v1, _end) +3: + sw zero,0(v0) + bltu v0,v1,3b + addiu v0,v0,4 # executed in delay slot + + la t0, __lstack # make a small stack so we + addiu sp, t0, STARTUP_STACK_SIZE # can run some C code + la a0, __memsize # get the usable memory size + jal get_mem_info + nop + + /* setup the stack pointer */ + LA (t0, __stack) # is __stack set ? + bne t0,zero,4f + nop + + /* NOTE: a0[0] contains the amount of memory available, and + not the last memory address. */ + lw t0,0(a0) # last address of memory available + la t1,K0BASE # cached kernel memory + addu t0,t0,t1 # get the end of memory address + /* We must subtract 24 bytes for the 3 8 byte arguments to main, in + case main wants to write them back to the stack. The caller is + supposed to allocate stack space for parameters in registers in + the old MIPS ABIs. We must do this even though we aren't passing + arguments, because main might be declared to have them. + + Some ports need a larger alignment for the stack, so we subtract + 32, which satisifes the stack for the arguments and keeps the + stack pointer better aligned. */ + subu t0,t0,32 # and generate a starting stack-pointer +4: + move sp,t0 # set stack pointer + sw sp,__stackbase # keep this for future ref + .end zerobss + +/* + * initialize target specific stuff. Only execute these + * functions it they exist. + */ +#if 0 + .globl hardware_init_hook .text + .globl software_init_hook .text + .globl __do_global_dtors .text + .globl atexit .text +#endif + .globl exit .text + .globl init + .ent init +init: +#if 0 + LA (t9, hardware_init_hook) # init the hardware if needed + beq t9,zero,6f + nop + jal t9 + nop +6: + LA (t9, software_init_hook) # init the hardware if needed + beq t9,zero,7f + nop + jal t9 + nop +7: + LA (a0, __do_global_dtors) + jal atexit + nop +#endif + +#ifdef GCRT0 + .globl _ftext + .globl _extext + LA (a0, _ftext) + LA (a1, _etext) + jal monstartup + nop +#endif + + move a0,zero # set argc to 0 + jal boot_card # call the program start function + nop + + # fall through to the "exit" routine + jal exit # call libc exit to run the G++ + # destructors + move a0,v0 # pass through the exit code + .end init + +/* + * Exit from the application. Normally we cause a user trap + * to return to the ROM monitor for another run. NOTE: This is + * the only other routine we provide in the crt0.o object, since + * it may be tied to the "_start" routine. It also allows + * executables that contain a complete world to be linked with + * just the crt0.o object. + */ + +FRAME(_sys_exit,sp,0,ra) +7: +#ifdef GCRT0 + jal _mcleanup + nop +#endif + # break instruction can cope with 0xfffff, but GAS limits the range: + break 1023 + nop + b 7b # but loop back just in-case + nop +ENDFRAME(_sys_exit) + +/* EOF crt0.S */ diff --git a/c/src/lib/libbsp/mips/genmongoosev/startup/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/startup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/startup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/startup/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/startup/Makefile.am new file mode 100644 index 0000000000..21e282917b --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/startup/Makefile.am @@ -0,0 +1,40 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +VPATH = @srcdir@:@srcdir@/../../../shared + +PGM = $(ARCH)/startup.rel + +C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c bootcard.c main.c sbrk.c \ + gnatinstallhandler.c setvec.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/compile.am +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PGM): $(OBJS) + $(make-rel) + +$(PROJECT_RELEASE)/lib/linkcmds: linkcmds + $(INSTALL_DATA) $< $@ + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile +TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds + +all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = bspclean.c bspstart.c exit.c linkcmds setvec.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/mips/genmongoosev/startup/bspstart.c b/c/src/lib/libbsp/mips/genmongoosev/startup/bspstart.c new file mode 100644 index 0000000000..0868e824ee --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/startup/bspstart.c @@ -0,0 +1,122 @@ +/* + * 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) 1989-2000. + * 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 + +#include +#include +#include + +/* + * 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 ); + +/* + * Function: bsp_pretasking_hook + * Created: 95/03/10 + * + * Description: + * BSP pretasking hook. Called just before drivers are initialized. + * Used to setup libc and install any BSP extensions. + * + * NOTES: + * Must not use libc (to do io) from here, since drivers are + * not yet initialized. + * + */ + +void bsp_pretasking_hook(void) +{ + extern int HeapBase; + extern int HeapSize; + void *heapStart = &HeapBase; + unsigned long heapSize = (unsigned long)&HeapSize; + unsigned long ramSpace; + + bsp_libc_init(heapStart, (unsigned32) heapSize, 0); + +#ifdef RTEMS_DEBUG + rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); +#endif + +} + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ + +void bsp_start( void ) +{ + extern int _end; + extern int WorkspaceBase; + /* Configure Number of Register Caches */ + + Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ + Cpu_table.postdriver_hook = bsp_postdriver_hook; + Cpu_table.interrupt_stack_size = 4096; + + /* HACK -- tied to value linkcmds */ + if ( BSP_Configuration.work_space_size >(4096*1024) ) + _sys_exit( 1 ); + + BSP_Configuration.work_space_start = (void *) &WorkspaceBase; + + mips_set_sr( 0xff00 ); /* all interrupts unmasked but globally off */ + /* depend on the IRC to take care of things */ + mips_install_isr_entries(); +} + +/* XXX */ +void clear_cache( void *address, size_t n ) +{ +} + +/* Structure filled in by get_mem_info. Only the size field is + actually used (to clear bss), so the others aren't even filled in. */ + +struct s_mem +{ + unsigned int size; + unsigned int icsize; + unsigned int dcsize; +}; + + +void +get_mem_info (mem) + struct s_mem *mem; +{ + mem->size = 0x1000000; /* XXX figure out something here */ +} + diff --git a/c/src/lib/libbsp/mips/genmongoosev/startup/linkcmds b/c/src/lib/libbsp/mips/genmongoosev/startup/linkcmds new file mode 100644 index 0000000000..b0fe4b4469 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/startup/linkcmds @@ -0,0 +1,157 @@ +/* + * Linker script for Mongoose-V prototyping board. + * See README for address map details. + * + * $Id$ + */ + +/* + * Declare some sizes. + */ +_RamBase = DEFINED(_RamBase) ? _RamBase : 0x80000000; +_RamSize = DEFINED(_RamSize) ? _RamSize : 32M; +HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000; +_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; +ClockRate = DEFINED(ClockRate) ? ClockRate : 12000000; + +SECTIONS +{ + . = 0x80000000; + .text : + { + _ftext = . ; + *(.init) + eprol = .; + *(.text) + *(.text.*) + *(.gnu.linkonce.t*) + *(.mips16.fn.*) + *(.mips16.call.*) + PROVIDE (__runtime_reloc_start = .); + *(.rel.sdata) + PROVIDE (__runtime_reloc_stop = .); + *(.fini) + etext = .; + _etext = .; + } + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, 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. */ + + KEEP (*crtbegin.o(.ctors)) + + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } + + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } + + . = .; + .rdata : { + *(.rdata) + *(.rodata) + *(.rodata.*) + *(.gnu.linkonce.r*) + } + _fdata = ALIGN(16); + .data : { + *(.data) + *(.data.*) + *(.gnu.linkonce.d*) + } + . = ALIGN(8); + _gp = . + 0x8000; + __global = _gp; + .lit8 : { + *(.lit8) + } + .lit4 : { + *(.lit4) + } + .sdata : { + *(.sdata) + *(.sdata.*) + *(.gnu.linkonce.s*) + } + . = ALIGN(4); + edata = .; + _edata = .; + _fbss = .; + .sbss : { + *(.sbss) + *(.scommon) + } + .bss : { + _bss_start = . ; + *(.bss) + *(COMMON) + . = ALIGN (64); + _stack_limit = .; + . += _StackSize; + __stack = .; + _stack_init = .; + _clear_end = .; + WorkspaceBase = .; + /* HACK -- tied to value bspstart */ + . += 4096K; /* reserve some memory for workspace */ + HeapBase = .; + . += HeapSize; /* reserve some memory for heap */ + } + end = .; + _end = .; + + +/* Put starting stack in SRAM (8 Kb); this size is the same as the stack from + the original script (when everything was in SRAM). */ + /* __stack = 0x8000A000; */ + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to + the beginning of the section so we begin them at 0. */ + + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } +} diff --git a/c/src/lib/libbsp/mips/genmongoosev/timer/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/timer/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/timer/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/timer/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/timer/Makefile.am new file mode 100644 index 0000000000..53b53ebc99 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/timer/Makefile.am @@ -0,0 +1,33 @@ +## +## $Id$ +## + +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/compile.am +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/mips/genmongoosev/timer/timer.c b/c/src/lib/libbsp/mips/genmongoosev/timer/timer.c new file mode 100644 index 0000000000..027b330dfa --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/timer/timer.c @@ -0,0 +1,95 @@ +/* + * This file implements a benchmark timer using a MONGOOSE-V timer. + * + * NOTE: On the simulator, the count directly reflects instructions. + * + * COPYRIGHT (c) 1989-2000. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include + +#include + +rtems_boolean Timer_driver_Find_average_overhead; + +#if defined(USE_TIMER2_FOR_CLOCK) +#define TIMER_BASE MONGOOSEV_TIMER1_BASE +#define TIMER_VECTOR MONGOOSEV_IRQ_TIMER1 +#else +#define TIMER_BASE MONGOOSEV_TIMER2_BASE +#define TIMER_VECTOR MONGOOSEV_IRQ_TIMER2 +#endif + +void Timer_initialize() +{ + /* + * Programming the compare register as the maximum value should let + * it run long enough and accurate enough not to require an interrupt. + * but if it ever does generate an interrupt, we will simply fault. + * + * NOTE: This is similar to the clock driver initialization + * with the exception that the divider is disabled and + * the compare register is set to the maximum value. + */ + + MONGOOSEV_WRITE_REGISTER( + TIMER_BASE, + MONGOOSEV_TIMER_INITIAL_COUNTER_REGISTER, + 0xffffffff + ); + MONGOOSEV_WRITE_REGISTER( + TIMER_BASE, + MONGOOSEV_TIMER_CONTROL_REGISTER, + MONGOOSEV_TIMER_CONTROL_COUNTER_ENABLE + ); +} + +#define AVG_OVERHEAD 0 /* It typically takes N instructions */ + /* to start/stop the timer. */ +#define LEAST_VALID 1 /* Don't trust a value lower than this */ + /* mongoose-v can count cycles. :) */ +#include + +int Read_timer() +{ + rtems_unsigned32 clicks; + rtems_unsigned32 total; + rtems_unsigned32 tcr; + + clicks = MONGOOSEV_READ_REGISTER( + TIMER_BASE, + MONGOOSEV_TIMER_INITIAL_COUNTER_REGISTER + ); + total = 0xffffffff - clicks; + + tcr = MONGOOSEV_READ_REGISTER( TIMER_BASE, MONGOOSEV_TIMER_CONTROL_REGISTER ); + if ( tcr & MONGOOSEV_TIMER_CONTROL_TIMEOUT ) + printk( "MG5 timer overran\n" ); + + if ( Timer_driver_Find_average_overhead == 1 ) + return total; /* in cycle units */ + + if ( total < LEAST_VALID ) + return 0; /* below timer resolution */ + + return total - AVG_OVERHEAD; +} + +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/mips/genmongoosev/wrapup/.cvsignore b/c/src/lib/libbsp/mips/genmongoosev/wrapup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/wrapup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/mips/genmongoosev/wrapup/Makefile.am b/c/src/lib/libbsp/mips/genmongoosev/wrapup/Makefile.am new file mode 100644 index 0000000000..4f0cdd69cd --- /dev/null +++ b/c/src/lib/libbsp/mips/genmongoosev/wrapup/Makefile.am @@ -0,0 +1,36 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +BSP_FILES = startup clock console timer + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/compile.am +include $(top_srcdir)/../../../../../../automake/lib.am + +# bummer; have to use $foreach since % pattern subst rules only replace 1x +OBJS = $(foreach piece, $(BSP_FILES), $(wildcard ../$(piece)/$(ARCH)/*.o)) \ + $(wildcard ../../../../libcpu/$(RTEMS_CPU)/shared/*/$(ARCH)/*.o) \ + $(wildcard ../../../../libcpu/$(RTEMS_CPU)/mongoosev/*/$(ARCH)/*.o) \ + $(wildcard ../../../../libcpu/$(RTEMS_CPU)/$(RTEMS_CPU_MODEL)/$(ARCH)/*.o) \ + $(foreach piece, $(GENERIC_FILES), ../../../$(piece)/$(ARCH)/$(piece).rel) + +LIB = $(ARCH)/libbsp.a + +# +# (OPTIONAL) Add local stuff here using += +# + +$(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} $(TMPINSTALL_FILES) + +include $(top_srcdir)/../../../../../../automake/local.am -- cgit v1.2.3