diff options
Diffstat (limited to 'libgloss/m32r')
-rw-r--r-- | libgloss/m32r/Makefile.in | 144 | ||||
-rw-r--r-- | libgloss/m32r/chmod.c | 10 | ||||
-rw-r--r-- | libgloss/m32r/close.c | 10 | ||||
-rwxr-xr-x | libgloss/m32r/configure | 1110 | ||||
-rw-r--r-- | libgloss/m32r/configure.in | 51 | ||||
-rw-r--r-- | libgloss/m32r/crt0.S | 51 | ||||
-rw-r--r-- | libgloss/m32r/eit.h | 13 | ||||
-rw-r--r-- | libgloss/m32r/eva-stub.ld | 111 | ||||
-rw-r--r-- | libgloss/m32r/eva.ld | 97 | ||||
-rw-r--r-- | libgloss/m32r/exit.c | 10 | ||||
-rw-r--r-- | libgloss/m32r/fstat.c | 11 | ||||
-rw-r--r-- | libgloss/m32r/getpid.c | 6 | ||||
-rw-r--r-- | libgloss/m32r/isatty.c | 8 | ||||
-rw-r--r-- | libgloss/m32r/kill.c | 9 | ||||
-rw-r--r-- | libgloss/m32r/lseek.c | 10 | ||||
-rw-r--r-- | libgloss/m32r/m32r-lib.c | 142 | ||||
-rw-r--r-- | libgloss/m32r/mon.specs | 3 | ||||
-rw-r--r-- | libgloss/m32r/open.c | 10 | ||||
-rw-r--r-- | libgloss/m32r/raise.c | 5 | ||||
-rw-r--r-- | libgloss/m32r/read.c | 10 | ||||
-rw-r--r-- | libgloss/m32r/sbrk.c | 34 | ||||
-rw-r--r-- | libgloss/m32r/stat.c | 11 | ||||
-rw-r--r-- | libgloss/m32r/trap0.S | 16 | ||||
-rw-r--r-- | libgloss/m32r/trapmon0.c | 53 | ||||
-rw-r--r-- | libgloss/m32r/unlink.c | 10 | ||||
-rw-r--r-- | libgloss/m32r/utime.c | 12 | ||||
-rw-r--r-- | libgloss/m32r/write.c | 10 |
27 files changed, 0 insertions, 1967 deletions
diff --git a/libgloss/m32r/Makefile.in b/libgloss/m32r/Makefile.in deleted file mode 100644 index 909a837..0000000 --- a/libgloss/m32r/Makefile.in +++ /dev/null @@ -1,144 +0,0 @@ -# Makefile for libgloss/m32r -# Copyright (c) 1996, 1998 Cygnus Support. -# All rights reserved. -# -# Redistribution and use in source and binary forms are permitted -# provided that the above copyright notice and this paragraph are -# duplicated in all such forms and that any documentation, -# advertising materials, and other materials related to such -# distribution and use acknowledge that the software was developed -# at Cygnus Support, Inc. Cygnus Support, Inc. may not be used to -# endorse or promote products derived from this software without -# specific prior written permission. -# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR -# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED -# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -VPATH = @srcdir@ -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -host_alias = @host_alias@ -target_alias = @target_alias@ -prefix = @prefix@ -exec_prefix = @exec_prefix@ -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -TOP = ../.. -SRCTOP = ../.. - -# Multilib support variables. -# TOP is used instead of MULTI{BUILD,SRC}TOP. -MULTISRCTOP = -MULTIBUILDTOP = -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -SHELL = /bin/sh - -CC = @CC@ - -AS = @AS@ -AR = @AR@ -LD = @LD@ -RANLIB = @RANLIB@ - -AR_FLAGS = qv -BISON = bison -MAKEINFO = makeinfo - -.NOEXPORT: -MAKEOVERRIDES= - -TARGETDOC = ../../targetdep.tex - -CRT0 = crt0.o -GDBLIB = m32r-lib.o -GDBSTUB = m32r-stub.o -EVASCRIPT = eva.ld -STUBSCRIPT = eva-stub.ld - -GENERIC_LIBOBJS = \ - chmod.o close.o exit.o fstat.o getpid.o isatty.o kill.o lseek.o \ - open.o raise.o read.o sbrk.o stat.o unlink.o utime.o write.o - -LIBOBJS = trap0.o $(GENERIC_LIBOBJS) -LIBGLOSS = libgloss.a - -MONLIBOBJS = trapmon0.o $(GENERIC_LIBOBJS) -MONLIBGLOSS = libmon.a -MONSPECS = mon.specs - -# Host specific makefile fragment comes in here. -@host_makefile_frag@ - -all: $(CRT0) $(LIBGLOSS) $(MONLIBGLOSS) $(GDBLIB) $(GDBSTUB) - -m32r-stub.o: $(srcdir)/$(MULTISRCTOP)../../gdb/m32r-stub.c - $(CC) -c $(CFLAGS) -o $@ $(srcdir)/$(MULTISRCTOP)../../gdb/m32r-stub.c - -libgloss.a: $(LIBOBJS) - $(AR) $(ARFLAGS) $@ $(LIBOBJS) - $(RANLIB) $@ - -libmon.a: $(MONLIBOBJS) - $(AR) $(ARFLAGS) $@ $(MONLIBOBJS) - $(RANLIB) $@ - -install: - $(INSTALL_DATA) $(CRT0) $(tooldir)/lib${MULTISUBDIR}/$(CRT0) - $(INSTALL_DATA) $(LIBGLOSS) $(tooldir)/lib${MULTISUBDIR}/$(LIBGLOSS) - $(INSTALL_DATA) $(MONLIBGLOSS) $(tooldir)/lib${MULTISUBDIR}/$(MONLIBGLOSS) - $(INSTALL_DATA) $(GDBLIB) $(tooldir)/lib${MULTISUBDIR}/$(GDBLIB) - $(INSTALL_DATA) $(GDBSTUB) $(tooldir)/lib${MULTISUBDIR}/$(GDBSTUB) - $(INSTALL_DATA) $(srcdir)/$(EVASCRIPT) $(tooldir)/lib/$(EVASCRIPT) - $(INSTALL_DATA) $(srcdir)/$(STUBSCRIPT) $(tooldir)/lib/$(STUBSCRIPT) - $(INSTALL_DATA) $(srcdir)/$(MONSPECS) $(tooldir)/lib/$(MONSPECS) - -clean mostlyclean: - rm -f *~ *.[oa] - -distclean maintainer-clean realclean: clean - rm -f Makefile config.status - -info doc: -install-info: -clean-info: - -Makefile: Makefile.in config.status @host_makefile_frag_path@ - $(SHELL) config.status - -config.status: configure - $(SHELL) config.status --recheck - -# to support SunOS VPATH -crt0.o: crt0.S -m32r-lib.o: m32r-lib.c -chmod.o: chmod.c -close.o: close.c -exit.o: exit.c -fstat.o: fstat.c -getpid.o: getpid.c -isatty.o: isatty.c -kill.o: kill.c -lseek.o: lseek.c -open.o: open.c -raise.o: raise.c -read.o: read.c -sbrk.o: sbrk.c -stat.o: stat.c -unlink.o: unlink.c -utime.o: utime.c -write.o: write.c -trap0.o: trap0.S -trapmon0.o: trapmon0.c diff --git a/libgloss/m32r/chmod.c b/libgloss/m32r/chmod.c deleted file mode 100644 index 14990d9..0000000 --- a/libgloss/m32r/chmod.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_chmod (const char *path, short mode) -{ - return TRAP0 (SYS_chmod, path, mode, 0); -} diff --git a/libgloss/m32r/close.c b/libgloss/m32r/close.c deleted file mode 100644 index 1e32da4..0000000 --- a/libgloss/m32r/close.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_close (int file) -{ - return TRAP0 (SYS_close, file, 0, 0); -} diff --git a/libgloss/m32r/configure b/libgloss/m32r/configure deleted file mode 100755 index 8424baa..0000000 --- a/libgloss/m32r/configure +++ /dev/null @@ -1,1110 +0,0 @@ -#! /bin/sh - -# Guess values for system-dependent variables and create Makefiles. -# Generated automatically using autoconf version 2.10 -# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc. -# -# This configure script is free software; the Free Software Foundation -# gives unlimited permission to copy, distribute and modify it. - -# Defaults: -ac_help= -ac_default_prefix=/usr/local -# Any additions from configure.in: - -# Initialize some variables set by options. -# The variables have the same names as the options, with -# dashes changed to underlines. -build=NONE -cache_file=./config.cache -exec_prefix=NONE -host=NONE -no_create= -nonopt=NONE -no_recursion= -prefix=NONE -program_prefix=NONE -program_suffix=NONE -program_transform_name=s,x,x, -silent= -site= -srcdir= -target=NONE -verbose= -x_includes=NONE -x_libraries=NONE -bindir='${exec_prefix}/bin' -sbindir='${exec_prefix}/sbin' -libexecdir='${exec_prefix}/libexec' -datadir='${prefix}/share' -sysconfdir='${prefix}/etc' -sharedstatedir='${prefix}/com' -localstatedir='${prefix}/var' -libdir='${exec_prefix}/lib' -includedir='${prefix}/include' -oldincludedir='/usr/include' -infodir='${prefix}/info' -mandir='${prefix}/man' - -# Initialize some other variables. -subdirs= -MFLAGS= MAKEFLAGS= - -ac_prev= -for ac_option -do - - # If the previous option needs an argument, assign it. - if test -n "$ac_prev"; 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Do it in two parts for efficiency: longwords first -# for most of it, then the remaining 0 to 3 bytes. - - seth r2, #shigh(__bss_start) - add3 r2, r2, #low(__bss_start); R2 = start of BSS - seth r3, #shigh(_end) - add3 r3, r3, #low(_end) ; R3 = end of BSS + 1 - - sub r3, r2 ; R3 = BSS size in bytes - mv r4, r3 - srli r4, #2 ; R4 = BSS size in longwords (rounded down) - ldi r1, #0 ; clear R1 for longword store - addi r2, #-4 ; account for pre-inc store - beqz r4, .Lendloop1 ; any more to go? -.Lloop1: - st r1, @+r2 ; yep, zero out another longword - addi r4, #-1 ; decrement count - bnez r4, .Lloop1 ; go do some more -.Lendloop1: - and3 r4, r3, #3 ; get no. of remaining BSS bytes to clear - addi r2, #4 ; account for pre-inc store - beqz r4, .Lendloop2 ; any more to go? -.Lloop2: - stb r1, @r2 ; yep, zero out another byte - addi r2, #1 ; bump address - addi r4, #-1 ; decrement count - bnez r4, .Lloop2 ; go do some more -.Lendloop2: - -# Run code in the .init section. -# This will queue the .fini section to be run with atexit. - - bl __init - -# Call main, then exit. - - bl main - bl exit - -# If that fails just loop. - -.Lexit: - bra .Lexit diff --git a/libgloss/m32r/eit.h b/libgloss/m32r/eit.h deleted file mode 100644 index ef51c08..0000000 --- a/libgloss/m32r/eit.h +++ /dev/null @@ -1,13 +0,0 @@ -/* M32R libgloss EIT interface. - Copyright (C) 1998, Cygnus Solutions. - - At present we only document trap 0, the syscall interface. - In the future this can hold further EIT related stuff. - [The m32r manuals use the acronym EIT: exception, interrupt, trap.] */ - -#include <reent.h> - -int __trap0 (int function, int p1, int p2, int p3, struct _reent *r); - -#define TRAP0(f, p1, p2, p3) \ -__trap0 (f, (int) (p1), (int) (p2), (int) (p3), _REENT) diff --git a/libgloss/m32r/eva-stub.ld b/libgloss/m32r/eva-stub.ld deleted file mode 100644 index 34c341c..0000000 --- a/libgloss/m32r/eva-stub.ld +++ /dev/null @@ -1,111 +0,0 @@ -OUTPUT_FORMAT("elf32-m32r", "elf32-m32r", - "elf32-m32r") -OUTPUT_ARCH(m32r) -ENTRY(_start) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ - -INPUT(m32r-stub.o) -INPUT(m32r-lib.o) -INPUT(-lgloss) - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = 0x200000; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .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) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - *(.gnu.linkonce.t*) - } = 0 - _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(32) + (ALIGN(8) & (32 - 1)); - .data : - { - *(.data) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - .data1 : { *(.data1) } - .ctors : - { - *(.ctors) - } - .dtors : - { - *(.dtors) - } - .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) - } - _end = . ; - PROVIDE (end = .); - /* 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 .debug DWARF section are relative to the beginning of the - section so we begin .debug at 0. It's not clear yet what needs to happen - for the others. */ - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } - .stack 0x207ffc : { _stack = .; *(.stack) } - /* These must appear regardless of . */ -} - diff --git a/libgloss/m32r/eva.ld b/libgloss/m32r/eva.ld deleted file mode 100644 index ee66464..0000000 --- a/libgloss/m32r/eva.ld +++ /dev/null @@ -1,97 +0,0 @@ -OUTPUT_FORMAT("elf32-m32r", "elf32-m32r", - "elf32-m32r") -OUTPUT_ARCH(m32r) -ENTRY(_start) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ - -INPUT(-lgloss) - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = 0x208000; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .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) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - *(.gnu.linkonce.t*) - } =0 - _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(32) + (ALIGN(8) & (32 - 1)); - .data : - { - *(.data) - *(.gnu.linkonce.d*) - CONSTRUCTORS - } - .data1 : { *(.data1) } - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } - .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) } - _end = . ; - PROVIDE (end = .); - /* 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 .debug DWARF section are relative to the beginning of the - section so we begin .debug at 0. It's not clear yet what needs to happen - for the others. */ - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } - .stack 0x5ffffc : { _stack = .; *(.stack) } - /* These must appear regardless of . */ -} diff --git a/libgloss/m32r/exit.c b/libgloss/m32r/exit.c deleted file mode 100644 index 5251f0d..0000000 --- a/libgloss/m32r/exit.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -void -_exit (n) -{ - TRAP0 (SYS_exit, n, 0, 0); -} diff --git a/libgloss/m32r/fstat.c b/libgloss/m32r/fstat.c deleted file mode 100644 index 1f91828..0000000 --- a/libgloss/m32r/fstat.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_fstat (int file, struct stat *st) -{ - st->st_mode = S_IFCHR; - return 0; -} diff --git a/libgloss/m32r/getpid.c b/libgloss/m32r/getpid.c deleted file mode 100644 index ff6e902..0000000 --- a/libgloss/m32r/getpid.c +++ /dev/null @@ -1,6 +0,0 @@ - -int -_getpid (int n) -{ - return 1; -} diff --git a/libgloss/m32r/isatty.c b/libgloss/m32r/isatty.c deleted file mode 100644 index bb5f2ac..0000000 --- a/libgloss/m32r/isatty.c +++ /dev/null @@ -1,8 +0,0 @@ - -/* FIXME: can we not nuke the 10,000 copies of this function - and fudge things (which is all this function does) in _fstat? */ -int -isatty (int fd) -{ - return 1; -} diff --git a/libgloss/m32r/kill.c b/libgloss/m32r/kill.c deleted file mode 100644 index d7aaee9..0000000 --- a/libgloss/m32r/kill.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -_kill (n, m) -{ - return TRAP0 (SYS_exit, 0xdead, 0, 0); -} diff --git a/libgloss/m32r/lseek.c b/libgloss/m32r/lseek.c deleted file mode 100644 index 1fbb5d0..0000000 --- a/libgloss/m32r/lseek.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_lseek (int file, int ptr, int dir) -{ - return TRAP0 (SYS_lseek, file, ptr, dir); -} diff --git a/libgloss/m32r/m32r-lib.c b/libgloss/m32r/m32r-lib.c deleted file mode 100644 index cad55f5..0000000 --- a/libgloss/m32r/m32r-lib.c +++ /dev/null @@ -1,142 +0,0 @@ -/* Stand-alone library for M32R-EVA board. - * - * Copyright (c) 1996, 1998 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. - */ - -/* #define REVC to enable handling of the original RevC board, - which is no longer the default, nor is it supported. */ - -#ifndef REVC - -/* Serial I/O routines for MSA2000G01 board */ -#define UART_INCHAR_ADDR 0xff004009 -#define UART_OUTCHR_ADDR 0xff004007 -#define UART_STATUS_ADDR 0xff004002 - -#else - -/* Serial I/O routines for M32R-EVA board */ -#define UART_INCHAR_ADDR 0xff102013 -#define UART_OUTCHR_ADDR 0xff10200f -#define UART_STATUS_ADDR 0xff102006 - -#endif - -#define UART_INPUT_EMPTY 0x4 -#define UART_OUTPUT_EMPTY 0x1 - -static volatile char *rx_port = (unsigned char *) UART_INCHAR_ADDR; -static volatile char *tx_port = (char *) UART_OUTCHR_ADDR; -static volatile short *rx_status = (short *) UART_STATUS_ADDR; -static volatile short *tx_status = (short *) UART_STATUS_ADDR; - -static int -rx_rdy() -{ -#ifndef REVC - return (*rx_status & UART_INPUT_EMPTY); -#else - return !(*rx_status & UART_INPUT_EMPTY); -#endif -} - -static int -tx_rdy() -{ - return (*tx_status & UART_OUTPUT_EMPTY); -} - -static unsigned char -rx_uchar() -{ - return *rx_port; -} - -void -tx_char(char c) -{ - *tx_port = c; -} - -int -getDebugChar() -{ - while (!rx_rdy()) - ; - return rx_uchar(); -} - -void -putDebugChar(int c) -{ - while (!tx_rdy()) - ; - tx_char(c); -} - -void mesg(char *p) -{ - while (*p) - { - if (*p == '\n') - putDebugChar('\r'); - putDebugChar(*p++); - } -} - -void phex(long x) -{ - char buf[9]; - int i; - - buf[8] = '\0'; - for (i = 7; i >= 0; i--) - { - char c = x & 0x0f; - buf[i] = c < 10 ? c + '0' : c - 10 + 'A'; - x >>= 4; - } - mesg(buf); -} - -/* Setup trap TT to go to ROUTINE. */ - -void -exceptionHandler (int tt, unsigned long routine) -{ -#ifndef REVC - unsigned long *tb = (unsigned long *) 0x40; /* Trap vector base address */ - - tb[tt] = ((routine >> 2) | 0xff000000) - tt - (0x40 >> 2); -#else - unsigned long *tb = 0; /* Trap vector base address */ - - tb[tt] = ((routine >> 2) | 0xff000000) - tt; -#endif -} - -/* Return the address of trap TT handler */ - -unsigned long -getExceptionHandler (int tt) -{ -#ifndef REVC - unsigned long *tb = (unsigned long *) 0x40; /* Trap vector base address */ - - return ((tb[tt] + tt + (0x40 >> 2)) | 0xff000000) << 2; -#else - unsigned long *tb = 0; /* Trap vector base address */ - - return ((tb[tt] + tt) | 0xff000000) << 2; -#endif -} diff --git a/libgloss/m32r/mon.specs b/libgloss/m32r/mon.specs deleted file mode 100644 index 5db789a..0000000 --- a/libgloss/m32r/mon.specs +++ /dev/null @@ -1,3 +0,0 @@ -*endfile_cpu: --lmon %{m32rx:m32rx/crtfini.o%s} %{!m32rx:crtfini.o%s} - diff --git a/libgloss/m32r/open.c b/libgloss/m32r/open.c deleted file mode 100644 index 6671c29..0000000 --- a/libgloss/m32r/open.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_open (const char *path, int flags) -{ - return TRAP0 (SYS_open, path, flags, 0); -} diff --git a/libgloss/m32r/raise.c b/libgloss/m32r/raise.c deleted file mode 100644 index b2dc2f6..0000000 --- a/libgloss/m32r/raise.c +++ /dev/null @@ -1,5 +0,0 @@ -/* ??? Needed? */ - -_raise () -{ -} diff --git a/libgloss/m32r/read.c b/libgloss/m32r/read.c deleted file mode 100644 index 0e32b74..0000000 --- a/libgloss/m32r/read.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_read (int file, char *ptr, int len) -{ - return TRAP0 (SYS_read, file, ptr, len); -} diff --git a/libgloss/m32r/sbrk.c b/libgloss/m32r/sbrk.c deleted file mode 100644 index bc82091..0000000 --- a/libgloss/m32r/sbrk.c +++ /dev/null @@ -1,34 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -caddr_t -_sbrk (int incr) -{ - /* `_end' is defined in the linker script. - We must handle it carefully as we don't want the compiler to think - it lives in the small data area. Use medium model to ensure 32 bit - addressability. */ - extern char _end __attribute__ ((__model__(__medium__))); - static char *heap_end; - char *prev_heap_end; - char *sp = (char *)&sp; - - if (heap_end == 0) - { - heap_end = &_end; - } - prev_heap_end = heap_end; - if (heap_end > sp) - { - _write (1, "Heap and stack collision\n", 25); -#if 0 /* Calling abort brings in the signal handling code. */ - abort (); -#else - exit (1); -#endif - } - heap_end += incr; - return (caddr_t) prev_heap_end; -} diff --git a/libgloss/m32r/stat.c b/libgloss/m32r/stat.c deleted file mode 100644 index eb4c8e3..0000000 --- a/libgloss/m32r/stat.c +++ /dev/null @@ -1,11 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_stat (const char *path, struct stat *st) - -{ - return TRAP0 (SYS_stat, path, st, 0); -} diff --git a/libgloss/m32r/trap0.S b/libgloss/m32r/trap0.S deleted file mode 100644 index 04efa13..0000000 --- a/libgloss/m32r/trap0.S +++ /dev/null @@ -1,16 +0,0 @@ -; Trap 0 handler (syscall interface). -; -; The trap handler returns the result in r0 and the error code (errno value) -; in r2. r1 is reserved in case an 8 byte quantity ever needs to be -; returned in registers. - - .text - .global __trap0 -__trap0: - trap #0 ; trap 0 returns result in r0, error code in r2 - cmpui r2,#1 ; is error code zero? - bc .Lret ; yes, skip setting errno - ld r4,@(sp) ; no, set errno - st r2,@r4 -.Lret: - jmp lr ; return to caller diff --git a/libgloss/m32r/trapmon0.c b/libgloss/m32r/trapmon0.c deleted file mode 100644 index 44bf6a5..0000000 --- a/libgloss/m32r/trapmon0.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Mon2000 Trap handler (syscall interface). - * - * This trap handler is linked into the mon2000 libgloss (libmon). - */ -#include <reent.h> -#include "syscall.h" - -int __trap0 (int function, int p1, int p2, int p3, struct _reent *r) -{ - int rc = 0; - - switch (function) { - case SYS_exit: - /* loop so GDB can't go past system exit call */ - while (1) { - asm volatile (" - ldi r0, #0 - trap #15 ; return control to Mon2000"); - } - break; - - case SYS_write: - { - int i; - - for( i=0; i<p3; i++ ) { - asm volatile (" - ldi r0, #2 - ldi r1, #15 ; load Ctrl-O (ASCII 15) - trap #15 ; write Ctrl-O for quoting purposes" ); - - asm volatile (" - ldi r0, #2 - ldb r1, %0 - trap #15 ; write character to console" - : /* no outputs */ - : "m" (((char*)p2)[i])); - } - - rc = p3; /* return number of chars written */ - break; - } - - default: - rc = 0; - break; - } - - return rc; -} - - diff --git a/libgloss/m32r/unlink.c b/libgloss/m32r/unlink.c deleted file mode 100644 index 14f741e..0000000 --- a/libgloss/m32r/unlink.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_unlink () -{ - return -1; -} diff --git a/libgloss/m32r/utime.c b/libgloss/m32r/utime.c deleted file mode 100644 index ea8da2f..0000000 --- a/libgloss/m32r/utime.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_utime (path, times) - const char *path; - char *times; -{ - return TRAP0 (SYS_utime, path, times, 0); -} diff --git a/libgloss/m32r/write.c b/libgloss/m32r/write.c deleted file mode 100644 index 55be40c..0000000 --- a/libgloss/m32r/write.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include "syscall.h" -#include "eit.h" - -int -_write (int file, char *ptr, int len) -{ - return TRAP0 (SYS_write, file, ptr, len); -} |