zephyr/include/toolchain/mwdt.h

100 lines
2.2 KiB
C

/*
* Copyright (c) 2020 Synopsys.
* Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_
#define ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_
#ifndef _LINKER
#if defined(_ASMLANGUAGE)
#include <toolchain/common.h>
#define FUNC_CODE()
#define FUNC_INSTR(a)
.macro section_var_mwdt, section, symbol
.section .\&section\&.\&symbol, "aw"
symbol :
.endm
.macro section_func_mwdt, section, symbol
.section .\&section\&.\&symbol, "ax"
FUNC_CODE()
PERFOPT_ALIGN
symbol :
FUNC_INSTR(symbol)
.endm
.macro section_subsec_func_mwdt, section, subsection, symbol
.section .\&section\&.\&subsection, "ax"
PERFOPT_ALIGN
symbol :
.endm
#define SECTION_VAR(sect, sym) section_var_mwdt sect, sym
#define SECTION_FUNC(sect, sym) section_func_mwdt sect, sym
#define SECTION_SUBSEC_FUNC(sect, subsec, sym) \
section_subsec_func_mwdt sect, subsec, sym
.macro glbl_text_mwdt, symbol
.globl symbol
.type symbol, @function
.endm
.macro glbl_data_mwdt, symbol
.globl symbol
.type symbol, @object
.endm
.macro weak_data_mwdt, symbol
.weak symbol
.type symbol, @object
.endm
#define GTEXT(sym) glbl_text_mwdt sym
#define GDATA(sym) glbl_data_mwdt sym
#define WDATA(sym) weak_data_mwdt sym
#else /* defined(_ASMLANGUAGE) */
/* MWDT toolchain misses ssize_t definition which is used by Zephyr */
#ifndef _SSIZE_T_DEFINED
#define _SSIZE_T_DEFINED
#ifdef CONFIG_64BIT
typedef long ssize_t;
#else
typedef int ssize_t;
#endif
#endif /* _SSIZE_T_DEFINED */
#ifdef CONFIG_NEWLIB_LIBC
#error "ARC MWDT doesn't support building with CONFIG_NEWLIB_LIBC as it doesn't have newlib"
#endif /* CONFIG_NEWLIB_LIBC */
#ifdef CONFIG_NATIVE_APPLICATION
#error "ARC MWDT doesn't support building Zephyr as an native application"
#endif /* CONFIG_NATIVE_APPLICATION */
#define __no_optimization __attribute__((optnone))
#include <toolchain/gcc.h>
#undef BUILD_ASSERT
#ifdef __cplusplus
#define BUILD_ASSERT(EXPR, MSG...) static_assert(EXPR, "" MSG)
#else
#define BUILD_ASSERT(EXPR, MSG...) _Static_assert(EXPR, "" MSG)
#endif
#define __builtin_arc_nop() _nop()
#endif /* _ASMLANGUAGE */
#endif /* !_LINKER */
#endif /* ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_ */