1 /* 2 * Copyright (c) 2020 Synopsys. 3 * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 */ 7 8 #ifndef ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_ 9 #define ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_ 10 11 #ifndef _LINKER 12 #if defined(_ASMLANGUAGE) 13 14 #include <toolchain/common.h> 15 16 #define FUNC_CODE() 17 #define FUNC_INSTR(a) 18 19 .macro section_var_mwdt, section, symbol 20 .section .\§ion\&.\&symbol, "aw" 21 symbol : 22 .endm 23 24 .macro section_func_mwdt, section, symbol 25 .section .\§ion\&.\&symbol, "ax" 26 FUNC_CODE() 27 PERFOPT_ALIGN 28 symbol : 29 FUNC_INSTR(symbol) 30 .endm 31 32 .macro section_subsec_func_mwdt, section, subsection, symbol 33 .section .\§ion\&.\&subsection, "ax" 34 PERFOPT_ALIGN 35 symbol : 36 .endm 37 38 #define SECTION_VAR(sect, sym) section_var_mwdt sect, sym 39 #define SECTION_FUNC(sect, sym) section_func_mwdt sect, sym 40 #define SECTION_SUBSEC_FUNC(sect, subsec, sym) \ 41 section_subsec_func_mwdt sect, subsec, sym 42 43 .macro glbl_text_mwdt, symbol 44 .globl symbol 45 .type symbol, @function 46 .endm 47 48 .macro glbl_data_mwdt, symbol 49 .globl symbol 50 .type symbol, @object 51 .endm 52 53 .macro weak_data_mwdt, symbol 54 .weak symbol 55 .type symbol, @object 56 .endm 57 58 #define GTEXT(sym) glbl_text_mwdt sym 59 #define GDATA(sym) glbl_data_mwdt sym 60 #define WDATA(sym) weak_data_mwdt sym 61 62 #else /* defined(_ASMLANGUAGE) */ 63 64 /* MWDT toolchain misses ssize_t definition which is used by Zephyr */ 65 #ifndef _SSIZE_T_DEFINED 66 #define _SSIZE_T_DEFINED 67 #ifdef CONFIG_64BIT 68 typedef long ssize_t; 69 #else 70 typedef int ssize_t; 71 #endif 72 #endif /* _SSIZE_T_DEFINED */ 73 74 #ifdef CONFIG_NEWLIB_LIBC 75 #error "ARC MWDT doesn't support building with CONFIG_NEWLIB_LIBC as it doesn't have newlib" 76 #endif /* CONFIG_NEWLIB_LIBC */ 77 78 #ifdef CONFIG_NATIVE_APPLICATION 79 #error "ARC MWDT doesn't support building Zephyr as an native application" 80 #endif /* CONFIG_NATIVE_APPLICATION */ 81 82 83 #define __no_optimization __attribute__((optnone)) 84 85 #include <toolchain/gcc.h> 86 87 /* Metaware toolchain has _Static_assert. However it not able to calculate 88 * conditional expression in build time for some realy complex cases. ARC GNU 89 * toolchain works fine in this cases, so it looks like MWDT bug. So, disable 90 * BUILD_ASSERT macro until we fix that issue in MWDT toolchain. 91 */ 92 #undef BUILD_ASSERT 93 #define BUILD_ASSERT(EXPR, MSG...) 94 95 #define __builtin_arc_nop() _nop() 96 97 #endif /* _ASMLANGUAGE */ 98 99 #endif /* !_LINKER */ 100 #endif /* ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_ */ 101
