2002-02-25 D.Venkatasubramanian <dvenkat@noida.hcltech.com>

        * libc/sys/h8300hms/Makefile.am: Add support for new files.
        * libc/sys/h8300hms/Makefile.in: Regenerated.
        * libc/sys/h8300hms/close.S: New file.
        * libc/sys/h8300hms/fstat.S: Ditto.
        * libc/sys/h8300hms/lseek.S: Ditto.
        * libc/sys/h8300hms/open.S: Ditto.
        * libc/sys/h8300hms/stat.S: Ditto.
        * libc/sys/h8300hms/read.S: New file to replace read.c.
        * libc/sys/h8300hms/read.c: Removed.
        * libc/sys/h8300hms/syscalls.c: Removed functions _open,
        _lseek, _close, _stat, _fstat.
        * libc/sys/h8300hms/write.S: New file to replace write.c.
        * libc/sys/h8300hms/write.c: Removed.

13 files changed, 175 insertions, 81 deletions

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 7781da129..c09409ff4 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,19 @@
+2002-02-25   D.Venkatasubramanian <dvenkat@noida.hcltech.com>
+
+	* libc/sys/h8300hms/Makefile.am: Add support for new files.
+	* libc/sys/h8300hms/Makefile.in: Regenerated.
+	* libc/sys/h8300hms/close.S: New file.
+	* libc/sys/h8300hms/fstat.S: Ditto.
+	* libc/sys/h8300hms/lseek.S: Ditto.
+	* libc/sys/h8300hms/open.S: Ditto.
+	* libc/sys/h8300hms/stat.S: Ditto.
+	* libc/sys/h8300hms/read.S: New file to replace read.c.
+	* libc/sys/h8300hms/read.c: Removed.
+	* libc/sys/h8300hms/syscalls.c: Removed functions _open,
+	_lseek, _close, _stat, _fstat.
+	* libc/sys/h8300hms/write.S: New file to replace write.c.
+	* libc/sys/h8300hms/write.c: Removed.
+
 2003-02-20  Nick Clifton  <nickc@redhat.com>
 
 	* Add support for Cirrus Maverick ARM co-processor:
diff --git a/newlib/libc/sys/h8300hms/Makefile.am b/newlib/libc/sys/h8300hms/Makefile.am
index a6d0815d9..b4b8823b7 100644
--- a/newlib/libc/sys/h8300hms/Makefile.am
+++ b/newlib/libc/sys/h8300hms/Makefile.am
@@ -6,7 +6,8 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
-lib_a_SOURCES = syscalls.c write.c _exit.c read.c sbrk.c misc.c crt1.c
+lib_a_SOURCES = syscalls.c _exit.c sbrk.c misc.c crt1.c \
+	close.S fstat.S lseek.S open.S read.S stat.S write.S
 
 all: crt0.o
 
diff --git a/newlib/libc/sys/h8300hms/Makefile.in b/newlib/libc/sys/h8300hms/Makefile.in
index 865da548e..971ada259 100644
--- a/newlib/libc/sys/h8300hms/Makefile.in
+++ b/newlib/libc/sys/h8300hms/Makefile.in
@@ -1,6 +1,6 @@
-# Makefile.in generated automatically by automake 1.4 from Makefile.am
+# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
 
-# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -89,7 +89,9 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
-lib_a_SOURCES = syscalls.c write.c _exit.c read.c sbrk.c misc.c crt1.c
+lib_a_SOURCES = syscalls.c _exit.c sbrk.c misc.c crt1.c \
+	close.S fstat.S lseek.S open.S read.S stat.S write.S
+
 
 ACLOCAL_AMFLAGS = -I ../../..
 CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
@@ -103,7 +105,8 @@ DEFS = @DEFS@ -I. -I$(srcdir)
 CPPFLAGS = @CPPFLAGS@
 LIBS = @LIBS@
 lib_a_LIBADD = 
-lib_a_OBJECTS =  syscalls.o write.o _exit.o read.o sbrk.o misc.o crt1.o
+lib_a_OBJECTS =  syscalls.o _exit.o sbrk.o misc.o crt1.o close.o fstat.o \
+lseek.o open.o read.o stat.o write.o
 CFLAGS = @CFLAGS@
 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
diff --git a/newlib/libc/sys/h8300hms/close.S b/newlib/libc/sys/h8300hms/close.S
new file mode 100644
index 000000000..54a1214d7
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/close.S
@@ -0,0 +1,22 @@
+;int close(int fd);
+;Integer arguments have to be zero extended.
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __close
+__close:
+#if defined(__H8300H__) || defined(__H8300S__)
+#if __INT_MAX__ == 32767
+	extu.l er0
+#endif
+#endif
+	jsr @@0xc9
+	rts
+	.end
diff --git a/newlib/libc/sys/h8300hms/fstat.S b/newlib/libc/sys/h8300hms/fstat.S
new file mode 100644
index 000000000..a6214e662
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/fstat.S
@@ -0,0 +1,23 @@
+;int fstat(int filedes, struct stat *buf);
+;Integer arguments have to be zero extended.
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __fstat
+__fstat:
+#if defined(__H8300H__) || defined(__H8300S__)
+#if __INT_MAX__ == 32767
+	extu.l	er0
+#endif
+#endif
+	jsr @@0xcb
+	rts
+	.end
+									
diff --git a/newlib/libc/sys/h8300hms/lseek.S b/newlib/libc/sys/h8300hms/lseek.S
new file mode 100644
index 000000000..1af533c14
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/lseek.S
@@ -0,0 +1,23 @@
+;off_t lseek(int fildes, off_t offset, int whence);
+;Integer arguments have to be zero extended.
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __lseek
+__lseek:
+#if defined(__H8300H__) || defined(__H8300S__)
+#if __INT_MAX__ == 32767
+	extu.l er0
+	extu.l er2
+#endif
+#endif
+	jsr @@0xc8
+	rts
+	.end
diff --git a/newlib/libc/sys/h8300hms/open.S b/newlib/libc/sys/h8300hms/open.S
new file mode 100644
index 000000000..f025aac60
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/open.S
@@ -0,0 +1,19 @@
+;int open(const char *pathname, int flags);
+;Integer arguments have to be zero extended.
+;The second argument is taken from the stack,
+;hence it is not zero extended here.
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __open
+__open:
+	jsr @@0xc5
+	rts
+	.end
diff --git a/newlib/libc/sys/h8300hms/read.S b/newlib/libc/sys/h8300hms/read.S
new file mode 100644
index 000000000..77a7f1c3a
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/read.S
@@ -0,0 +1,23 @@
+;ssize_t read(int fd, void *buf, size_t count);
+;Integer arguments have to be zero extended.
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __read
+__read:
+#if defined(__H8300H__) || defined(__H8300S__)
+#if __INT_MAX__ == 32767
+	extu.l  er0
+#endif
+#endif
+	jsr @@0xc6
+	rts
+	.end
+									
diff --git a/newlib/libc/sys/h8300hms/read.c b/newlib/libc/sys/h8300hms/read.c
deleted file mode 100644
index 01316f951..000000000
--- a/newlib/libc/sys/h8300hms/read.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include "sys/syscall.h"
-
-int _read(file, ptr, len)
-     int file;
-     char *ptr;
-     int len;
-{
-	register int ret asm("r0") ;
-
-	/* Type cast int as short so that we can copy int values into 16 bit 
-	   registers in case of -mint32 switch is given.
-	   This is not going to affect data as file= 0 for stdin and len=1024 */
-
-	asm("mov.b %0, r0l"::  "i" (SYS_read)) ; /* Syscall Number */
-	asm("mov.w %0, r1" :: "r"((short)file) :"r1", "r2", "r3") ;
-	asm("mov.w %0, r3" :: "r"((short)len) :"r1", "r2", "r3") ;
-#if defined(__H8300__) || defined(__NORMAL_MODE__)
-	asm("mov.w %0, r2" :: "r"(ptr) :"r1", "r2", "r3") ;
-#else
-	asm("mov.l %0, er2" :: "r"(ptr) :"r1", "er2", "r3") ;
-#endif
-	// This is magic trap similar to _write for simulator
-	asm("jsr @@0xc8") ;
-  return ret;
-}
-
-
diff --git a/newlib/libc/sys/h8300hms/stat.S b/newlib/libc/sys/h8300hms/stat.S
new file mode 100644
index 000000000..d4ce3ff37
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/stat.S
@@ -0,0 +1,17 @@
+;int stat(const char *file_name, struct stat *buf);
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __stat
+__stat:
+	jsr @@0xca
+	rts
+	.end
+									
diff --git a/newlib/libc/sys/h8300hms/syscalls.c b/newlib/libc/sys/h8300hms/syscalls.c
index 3ebac8843..b716e62fc 100644
--- a/newlib/libc/sys/h8300hms/syscalls.c
+++ b/newlib/libc/sys/h8300hms/syscalls.c
@@ -1,47 +1,14 @@
 /* Operating system stubs, set up for the MRI simulator */
 
 #include <_ansi.h>
-#include <sys/types.h>
-#include <sys/stat.h>
 #include <errno.h>
 
-
-int _DEFUN(_lseek,(file, ptr, dir),
-	  int file _AND
-	  int ptr _AND
-	  int dir)
-{
-  return 0;
-}
-
-int _DEFUN(_close,(file),
-	  int file)
-{
-  return -1;
-}
-
 int isatty(file)
      int file;
 {
   return 1;
 }
 
-int _DEFUN(_fstat,(file, st),
-	  int file _AND
-	  struct stat *st)
-{
-  st->st_mode = S_IFCHR;
-  return 0;
-}
-
-int
-_open (path, flags)
-     const char *path;
-     int flags;
-{
-  return 0;
-}
-
 int
 _unlink (path)
      const char *path;
diff --git a/newlib/libc/sys/h8300hms/write.S b/newlib/libc/sys/h8300hms/write.S
new file mode 100644
index 000000000..ccd06c5b7
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/write.S
@@ -0,0 +1,23 @@
+;ssize_t write(int fd, const void *buf, size_t count);
+;Integer arguments have to be zero extended.
+
+#if defined(__H8300H__)
+	.h8300h
+#endif
+
+#if defined(__H8300S__)
+	.h8300s
+#endif
+
+	.section .text
+	.align 2
+	.global __write
+__write:
+#if defined(__H8300H__) || defined(__H8300S__)
+#if __INT_MAX__ == 32767
+	extu.l	er0
+#endif
+#endif
+	jsr @@0xc7
+	rts
+	.end
diff --git a/newlib/libc/sys/h8300hms/write.c b/newlib/libc/sys/h8300hms/write.c
deleted file mode 100644
index 22fc63d57..000000000
--- a/newlib/libc/sys/h8300hms/write.c
+++ /dev/null
@@ -1,16 +0,0 @@
-
-
-int _write(file, ptr, len)
-     int file;
-     char *ptr;
-     int len;
-{
-  int todo;
-  
-  for (todo = 0; todo < len; todo++) 
-    {
-      asm("mov.b #0,r1l\n mov.b %0l,r2l\njsr @@0xc4"   :  : "r" (*ptr++)  : "r1", "r2");
-    }
-  return len;
-}
-