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greenhills: add dummy implementation for unused function

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add dummy implementation to avoid the link error

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
This commit is contained in:
guoshichao 2024-08-16 17:34:42 +08:00 committed by archer
parent c95a9fc304
commit 29e50ebed8
3 changed files with 56 additions and 0 deletions
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1
arch/arm/src/Makefile
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@ -154,6 +154,7 @@ ifeq ($(CONFIG_ARM_TOOLCHAIN_IAR),y)
VPATH += common$(DELIM)iar VPATH += common$(DELIM)iar
else # ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y) else # ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y)
VPATH += common$(DELIM)gnu VPATH += common$(DELIM)gnu
VPATH += common$(DELIM)ghs
endif endif
all: $(HEAD_OBJ) $(BIN) all: $(HEAD_OBJ) $(BIN)

4
arch/arm/src/common/Make.defs
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@ -84,3 +84,7 @@ endif
ifeq ($(CONFIG_ARCH_HAVE_FETCHADD),y) ifeq ($(CONFIG_ARCH_HAVE_FETCHADD),y)
CMN_ASRCS += arm_fetchadd.S CMN_ASRCS += arm_fetchadd.S
endif endif
ifeq ($(CONFIG_ARCH_TOOLCHAIN_GHS),y)
CMN_CSRCS += ghs/lib_dummy.c
endif

51
arch/arm/src/common/ghs/lib_dummy.c Normal file
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@ -0,0 +1,51 @@
/****************************************************************************
* arch/arm/src/common/ghs/lib_dummy.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/* The following functions is needed by libmath that introduced by default
* in the Greenhills toolchain, in nuttx we do not really need these
* function, so add dummy implementation here to avoid the link error
*/
void __gh_long_long_printf(void)
{
}
void __gh_float_printf(void)
{
}
void __gh_fputs_stdout(void)
{
}
void exp2(void)
{
}