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* newlib/libc/sys/h8300hms/Makeile.am (lib_a_SOURCES): Add read.c.

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* newlib/libc/sys/h8300hms/read.c: New file.  Magic trap 0xC8 for sim.
	* newlib/libc/sys/h8300hms/syscalls.c: Move _read() to read.c.
	* newlib/libs/sys/h8300hms/sys/syscall.h: New file.
This commit is contained in:
Thomas Fitzsimmons
2002-05-17 20:13:38 +00:00
parent b05b7d84d6
commit 7fc85bd1b9
6 changed files with 38 additions and 11 deletions
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7
newlib/ChangeLog
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@@ -1,3 +1,10 @@
2002-05-14 Dhananjay Deshpande <dhananjayd@kpit.com>
* newlib/libc/sys/h8300hms/Makeile.am (lib_a_SOURCES): Add read.c.
* newlib/libc/sys/h8300hms/read.c: New file. Magic trap 0xC8 for sim.
* newlib/libc/sys/h8300hms/syscalls.c: Move _read() to read.c.
* newlib/libs/sys/h8300hms/sys/syscall.h: New file.
Thu May 16 17:24:57 2002 J"orn Rennecke <joern.rennecke@superh.com>
* libc/machine/sh/strcpy.S (strcpy): Replace LITTLE_ENDIAN with

2
newlib/libc/sys/h8300hms/Makefile.am
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@@ -6,7 +6,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = syscalls.c write.c _exit.c sbrk.c misc.c crt1.c
lib_a_SOURCES = syscalls.c write.c _exit.c read.c sbrk.c misc.c crt1.c
all: crt0.o

4
newlib/libc/sys/h8300hms/Makefile.in
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@@ -88,7 +88,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = syscalls.c write.c _exit.c sbrk.c misc.c crt1.c
lib_a_SOURCES = syscalls.c write.c _exit.c read.c sbrk.c misc.c crt1.c
ACLOCAL_AMFLAGS = -I ../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
@@ -102,7 +102,7 @@ DEFS = @DEFS@ -I. -I$(srcdir)
CPPFLAGS = @CPPFLAGS@
LIBS = @LIBS@
lib_a_LIBADD =
lib_a_OBJECTS = syscalls.o write.o _exit.o sbrk.o misc.o crt1.o
lib_a_OBJECTS = syscalls.o write.o _exit.o read.o sbrk.o misc.o crt1.o
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)

27
newlib/libc/sys/h8300hms/read.c Normal file
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@@ -0,0 +1,27 @@
#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") ;
#ifdef __H8300__
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;
}

1
newlib/libc/sys/h8300hms/sys/syscall.h Normal file
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@@ -0,0 +1 @@
#define SYS_read 4

8
newlib/libc/sys/h8300hms/syscalls.c
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@@ -5,14 +5,6 @@
#include <sys/stat.h>
#include <errno.h>
int _DEFUN(_read,(file, ptr, len),
int file _AND
char *ptr _AND
int len)
{
return 0;
}
int _DEFUN(_lseek,(file, ptr, dir),
int file _AND