diff options
26 files changed, 1033 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sh/shsim/.cvsignore b/c/src/lib/libbsp/sh/shsim/.cvsignore new file mode 100644 index 0000000000..525275c115 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/.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/sh/shsim/ChangeLog b/c/src/lib/libbsp/sh/shsim/ChangeLog new file mode 100644 index 0000000000..3373a9a733 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/ChangeLog @@ -0,0 +1,13 @@ +2000-11-27 Joel Sherrill <joel@OARcorp.com> + + * The shsim is for the SH simulator in gdb. It should be able + to be used with multiple SH CPU models. + * .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, + configure.in, clock/.cvsignore, clock/Makefile.am, + clock/clockdrv.c, console/.cvsignore, console/Makefile.am, + console/console-io.c, console/console-support.S, + 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, wrapup/.cvsignore, + wrapup/Makefile.am: New files. diff --git a/c/src/lib/libbsp/sh/shsim/Makefile.am b/c/src/lib/libbsp/sh/shsim/Makefile.am new file mode 100644 index 0000000000..a0320f099b --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/Makefile.am @@ -0,0 +1,18 @@ +## +## $Id$ +## + +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 +SUBDIRS = include start startup clock console 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/sh/shsim/README b/c/src/lib/libbsp/sh/shsim/README new file mode 100644 index 0000000000..b1143cd94b --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/README @@ -0,0 +1,14 @@ +# +# $Id$ +# + +Simple BSP for the SH simulator built into gdb. + +Simulator Invocation +==================== +target sim + +Status +====== +Does not link yet. libcpu/sh code needs to be addressed so we can +get context switch code. diff --git a/c/src/lib/libbsp/sh/shsim/bsp_specs b/c/src/lib/libbsp/sh/shsim/bsp_specs new file mode 100644 index 0000000000..eecf37c5a0 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/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/sh/shsim/clock/.cvsignore b/c/src/lib/libbsp/sh/shsim/clock/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/clock/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/sh/shsim/clock/Makefile.am b/c/src/lib/libbsp/sh/shsim/clock/Makefile.am new file mode 100644 index 0000000000..17ecfe4e15 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/clock/Makefile.am @@ -0,0 +1,33 @@ +## +## $Id$ +## + +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 $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(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/sh/shsim/clock/clockdrv.c b/c/src/lib/libbsp/sh/shsim/clock/clockdrv.c new file mode 100644 index 0000000000..c49150fba6 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/clock/clockdrv.c @@ -0,0 +1,22 @@ +/* + * Instantiate the clock driver shell. + * + * Since there is no clock source on the simulator, all we do is + * make sure it will build. + * + * $Id$ + */ + +#define CLOCK_VECTOR 0 + +#define Clock_driver_support_at_tick() + +#define Clock_driver_support_install_isr( _new, _old ) \ + do { _old = 0; } while(0) + + +#define Clock_driver_support_initialize_hardware() + +#define Clock_driver_support_shutdown_hardware() + +#include "../../../shared/clockdrv_shell.c" diff --git a/c/src/lib/libbsp/sh/shsim/configure.in b/c/src/lib/libbsp/sh/shsim/configure.in new file mode 100644 index 0000000000..e537f6d331 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/configure.in @@ -0,0 +1,32 @@ +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-sh-shsim,$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 +wrapup/Makefile) diff --git a/c/src/lib/libbsp/sh/shsim/console/.cvsignore b/c/src/lib/libbsp/sh/shsim/console/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/console/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/sh/shsim/console/Makefile.am b/c/src/lib/libbsp/sh/shsim/console/Makefile.am new file mode 100644 index 0000000000..01cc97d615 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/console/Makefile.am @@ -0,0 +1,38 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +VPATH = @srcdir@:@srcdir@/../../../shared + +PGM = $(ARCH)/console.rel + +C_FILES = console-io.c console-polled.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +S_FILES = console-support.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/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 = console.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/sh/shsim/console/console-io.c b/c/src/lib/libbsp/sh/shsim/console/console-io.c new file mode 100644 index 0000000000..dfbb970d33 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/console/console-io.c @@ -0,0 +1,62 @@ +/* + * This file contains the hardware specific portions of the TTY driver + * for the simulators stdin/out. + * + * Logic based on newlib-1.8.2/newlib/libc/sys/sh/syscalls.c + * + * 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 <bsp.h> +#include <rtems/libio.h> +#include <stdlib.h> +#include <assert.h> + + +#define SYS_exit 1 +#define SYS_read 3 +#define SYS_write 4 + + +/* + * console_outbyte_polled + * + * This routine transmits a character using polling. + */ + +void console_outbyte_polled( + int port, + char ch +) +{ + return __trap34 (SYS_write, 1, &ch, 1); +} + +/* + * console_inbyte_nonblocking + * + * This routine polls for a character. + */ + +int console_inbyte_nonblocking( + int port +) +{ + unsigned char c; + + return __trap34 (SYS_read, 0, &c, 1); +} + +/* XXX wrong place for this */ +_sys_exit (n) +{ + return __trap34 (SYS_exit, n, 0, 0); +} + diff --git a/c/src/lib/libbsp/sh/shsim/console/console-support.S b/c/src/lib/libbsp/sh/shsim/console/console-support.S new file mode 100644 index 0000000000..b4b9d9ae76 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/console/console-support.S @@ -0,0 +1,21 @@ +/* + * newlib-1.8.2/newlib/libc/sys/sh/trap.S + * + * $Id$ + */ + .text + .global ___trap34 +___trap34: + trapa #34 + tst r1,r1 ! r1 is errno + bt ret + mov.l perrno,r2 + mov.l r1,@r2 +ret: + rts + nop + + .align 2 +perrno: + .long _errno + diff --git a/c/src/lib/libbsp/sh/shsim/include/.cvsignore b/c/src/lib/libbsp/sh/shsim/include/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/include/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/sh/shsim/include/Makefile.am b/c/src/lib/libbsp/sh/shsim/include/Makefile.am new file mode 100644 index 0000000000..1d6c3074ec --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/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/sh/shsim/include/bsp.h b/c/src/lib/libbsp/sh/shsim/include/bsp.h new file mode 100644 index 0000000000..e2e9c0fb57 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/include/bsp.h @@ -0,0 +1,85 @@ +/* bsp.h + * + * This include file contains some definitions specific to the + * JMR3904 simulator in gdb. + * + * 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 __JMR3904_h +#define __JMR3904_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems.h> +#include <iosupp.h> +#include <console.h> +#include <clockdrv.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 */ + +/* + * Define the interrupt mechanism for Time Test 27 + * + * NOTE: Following are for XXX and are board independent + * + */ + +#define MUST_WAIT_FOR_INTERRUPT 0 + +#define Install_tm27_vector( handler ) + +#define Cause_tm27_intr() + +#define Clear_tm27_intr() + +#define Lower_tm27_intr() + +/* 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 ); + +/* i960_isr_entry set_vector( rtems_isr_entry, unsigned int, unsigned int ); */ + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ diff --git a/c/src/lib/libbsp/sh/shsim/start/.cvsignore b/c/src/lib/libbsp/sh/shsim/start/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/start/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/sh/shsim/start/Makefile.am b/c/src/lib/libbsp/sh/shsim/start/Makefile.am new file mode 100644 index 0000000000..86053b9e99 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/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/sh/shsim/start/regs.S b/c/src/lib/libbsp/sh/shsim/start/regs.S new file mode 100644 index 0000000000..c673e5e1c9 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/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/sh/shsim/start/start.S b/c/src/lib/libbsp/sh/shsim/start/start.S new file mode 100644 index 0000000000..9b5c0798a8 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/start/start.S @@ -0,0 +1,55 @@ + .section .text + .global start +start: + mov.l stack_k,r15 + + ! zero out bss + mov.l edata_k,r0 + mov.l end_k,r1 + mov #0,r2 +start_l: + mov.l r2,@r0 + add #4,r0 + cmp/ge r0,r1 + bt start_l + +#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY) + mov.l set_fpscr_k, r1 + jsr @r1 + mov #0,r4 + lds r3,fpscr +#endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) */ + + ! call the mainline + mov.l boot_card_k,r0 + jsr @r0 + or r0,r0 + + ! call exit + mov r0,r4 + mov.l exit_k,r0 + jsr @r0 + or r0,r0 + + .align 2 +#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) +set_fpscr_k: + .long ___set_fpscr +#endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(SH4_SINGLE_ONLY) */ +stack_k: + .long _stack +edata_k: + .long _edata +end_k: + .long _end +boot_card_k: + .long _boot_card +exit_k: + .long _exit + +#ifdef __ELF__ + .section .stack,"aw" +#else + .section .stack +#endif +_stack: .long 0xdeaddead diff --git a/c/src/lib/libbsp/sh/shsim/startup/.cvsignore b/c/src/lib/libbsp/sh/shsim/startup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/startup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/sh/shsim/startup/Makefile.am b/c/src/lib/libbsp/sh/shsim/startup/Makefile.am new file mode 100644 index 0000000000..4dd270fbea --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/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 +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/sh/shsim/startup/bspstart.c b/c/src/lib/libbsp/sh/shsim/startup/bspstart.c new file mode 100644 index 0000000000..1143386ada --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/startup/bspstart.c @@ -0,0 +1,117 @@ +/* + * 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 <string.h> + +#include <bsp.h> +#include <rtems/libio.h> +#include <rtems/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; + +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; + + if ( BSP_Configuration.work_space_size >(512*1024) ) + _sys_exit( 1 ); + + BSP_Configuration.work_space_start = (void *) &WorkspaceBase; +} + +/* 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/sh/shsim/startup/linkcmds b/c/src/lib/libbsp/sh/shsim/startup/linkcmds new file mode 100644 index 0000000000..a0a099f4ee --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/startup/linkcmds @@ -0,0 +1,203 @@ +/* + * This is an adapted linker script from egcs-1.0.1 + * + * Memory layout for an SH 7032 with main memory in area 2 + * This memory layout it very similar to that used for Hitachi's + * EVB with CMON in rom + * + * NOTE: The ram start address may vary, all other start addresses are fixed + * Not suiteable for gdb's simulator + * + * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and + * Bernd Becker (becker@faw.uni-ulm.de) + * + * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * + * COPYRIGHT (c) 1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * 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. + * + * $Id$ + */ + +OUTPUT_FORMAT("coff-sh") +OUTPUT_ARCH(sh) +ENTRY(_start) + +MEMORY +{ + rom : o = 0x00000000, l = 128k + onchip_peri : o = 0x05000000, l = 512 + ram : o = 0x0A040000, l = 256k + + onchip_ram : o = 0x0f000000, l = 8k +} + +SECTIONS +{ + /* boot vector table */ + .monvects 0x00000000 (NOLOAD): { + _monvects = . ; + } > rom + + /* monitor play area */ + .monram 0x0A040000 (NOLOAD) : + { + _ramstart = .; + } > ram + + /* monitor vector table */ + .vects 0x0A042000 (NOLOAD) : { + _vectab = . ; + *(.vects); + } + + /* Read-only sections, merged into text segment: */ + + . = 0x0a044000 ; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.text : + { *(.rel.text) *(.rel.gnu.linkonce.t*) } + .rela.text : + { *(.rela.text) *(.rela.gnu.linkonce.t*) } + .rel.data : + { *(.rel.data) *(.rel.gnu.linkonce.d*) } + .rela.data : + { *(.rela.data) *(.rela.gnu.linkonce.d*) } + .rel.rodata : + { *(.rel.rodata) *(.rel.gnu.linkonce.r*) } + .rela.rodata : + { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } =0 + .plt : { *(.plt) } + .text . : + { + *(.text) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t*) + } > ram + _etext = .; + PROVIDE (etext = .); + .fini . : { *(.fini) } =0 + .rodata . : { *(.rodata) *(.gnu.linkonce.r*) } + .rodata1 . : { *(.rodata1) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */ + . = ALIGN(128) + (. & (128 - 1)); + .data . : + { + *(.data) + *(.gnu.linkonce.d*) + CONSTRUCTORS + } > ram + .data1 . : { *(.data1) } + .ctors . : + { + ___ctors = .; + *(.ctors) + ___ctors_end = .; + } + .dtors . : + { + ___dtors = .; + *(.dtors) + ___dtors_end = .; + } + .got . : { *(.got.plt) *(.got) } + .dynamic . : { *(.dynamic) } + /* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + .sdata . : { *(.sdata) } + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .sbss . : { *(.sbss) *(.scommon) } + .bss . : + { + *(.dynbss) + *(.bss) + *(COMMON) + } > ram + _end = . ; + PROVIDE (end = .); + + _HeapBase = . ; + . = . + 1024 * 20 ; + PROVIDE( _HeapEnd = . ); + + _WorkSpaceBase = . ; + . = 0x0a080000 ; + PROVIDE(_WorkSpaceEnd = .); + + _CPU_Interrupt_stack_low = 0x0f000000 ; + _CPU_Interrupt_stack_high = _CPU_Interrupt_stack_low + 4096 ; + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* 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) } + + .stack 0x0f001ff0 : { _stack = .; *(.stack) } > onchip_ram + /* These must appear regardless of . */ +} diff --git a/c/src/lib/libbsp/sh/shsim/wrapup/.cvsignore b/c/src/lib/libbsp/sh/shsim/wrapup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/wrapup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/sh/shsim/wrapup/Makefile.am b/c/src/lib/libbsp/sh/shsim/wrapup/Makefile.am new file mode 100644 index 0000000000..7a5744c97d --- /dev/null +++ b/c/src/lib/libbsp/sh/shsim/wrapup/Makefile.am @@ -0,0 +1,36 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +BSP_FILES = startup clock console timer + +# CPU_PIECES = score + +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)/$(RTEMS_CPU_MODEL)/$(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 |