* 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.
This commit is contained in:
parent
b05b7d84d6
commit
7fc85bd1b9
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@ -1,3 +1,10 @@
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2002-05-14 Dhananjay Deshpande <dhananjayd@kpit.com>
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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.
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* newlib/libc/sys/h8300hms/syscalls.c: Move _read() to read.c.
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* newlib/libs/sys/h8300hms/sys/syscall.h: New file.
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Thu May 16 17:24:57 2002 J"orn Rennecke <joern.rennecke@superh.com>
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* libc/machine/sh/strcpy.S (strcpy): Replace LITTLE_ENDIAN with
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@ -6,7 +6,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
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noinst_LIBRARIES = lib.a
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lib_a_SOURCES = syscalls.c write.c _exit.c sbrk.c misc.c crt1.c
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lib_a_SOURCES = syscalls.c write.c _exit.c read.c sbrk.c misc.c crt1.c
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all: crt0.o
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@ -88,7 +88,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
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noinst_LIBRARIES = lib.a
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lib_a_SOURCES = syscalls.c write.c _exit.c sbrk.c misc.c crt1.c
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lib_a_SOURCES = syscalls.c write.c _exit.c read.c sbrk.c misc.c crt1.c
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ACLOCAL_AMFLAGS = -I ../../..
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CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
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@ -102,7 +102,7 @@ DEFS = @DEFS@ -I. -I$(srcdir)
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CPPFLAGS = @CPPFLAGS@
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LIBS = @LIBS@
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lib_a_LIBADD =
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lib_a_OBJECTS = syscalls.o write.o _exit.o sbrk.o misc.o crt1.o
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lib_a_OBJECTS = syscalls.o write.o _exit.o read.o sbrk.o misc.o crt1.o
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CFLAGS = @CFLAGS@
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COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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CCLD = $(CC)
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@ -0,0 +1,27 @@
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#include "sys/syscall.h"
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int _read(file, ptr, len)
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int file;
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char *ptr;
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int len;
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{
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register int ret asm("r0") ;
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/* Type cast int as short so that we can copy int values into 16 bit
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registers in case of -mint32 switch is given.
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This is not going to affect data as file= 0 for stdin and len=1024 */
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asm("mov.b %0, r0l":: "i" (SYS_read)) ; /* Syscall Number */
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asm("mov.w %0, r1" :: "r"((short)file) :"r1", "r2", "r3") ;
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asm("mov.w %0, r3" :: "r"((short)len) :"r1", "r2", "r3") ;
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#ifdef __H8300__
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asm("mov.w %0, r2" :: "r"(ptr) :"r1", "r2", "r3") ;
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#else
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asm("mov.l %0, er2" :: "r"(ptr) :"r1", "er2", "r3") ;
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#endif
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// This is magic trap similar to _write for simulator
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asm("jsr @@0xc8") ;
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return ret;
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}
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@ -0,0 +1 @@
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#define SYS_read 4
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@ -5,14 +5,6 @@
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#include <sys/stat.h>
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#include <errno.h>
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int _DEFUN(_read,(file, ptr, len),
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int file _AND
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char *ptr _AND
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int len)
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{
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return 0;
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}
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int _DEFUN(_lseek,(file, ptr, dir),
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int file _AND
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