From 21f19d6af76d57a2770fab2b2899cf8929c4fd60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20L=C3=B6nnberg?= <joakim.lonnberg@iar.com>
Date: Tue, 14 Mar 2023 10:14:26 +0100
Subject: IAR:Improved assembler support

---
 Modules/Compiler/IAR-ASM.cmake | 84 ++++++++++++++++++++++++++++--------------
 Modules/Compiler/IAR.cmake     |  6 +++
 2 files changed, 63 insertions(+), 27 deletions(-)

(limited to 'Modules/Compiler')

diff --git a/Modules/Compiler/IAR-ASM.cmake b/Modules/Compiler/IAR-ASM.cmake
index bae0fbd8ca..98f58e7bc6 100644
--- a/Modules/Compiler/IAR-ASM.cmake
+++ b/Modules/Compiler/IAR-ASM.cmake
@@ -2,44 +2,74 @@
 
 include(Compiler/IAR)
 
-cmake_policy(PUSH)
-cmake_policy(SET CMP0057 NEW) # if IN_LIST
-
-set(_CMAKE_IAR_ITOOLS "ARM" "RH850"  "RL78" "RX" "RISC-V" "STM8")
-set(_CMAKE_IAR_XTOOLS "AVR" "MSP430" "V850" "8051")
+# Architecture specific
+if("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
+  __compiler_iar_ilink(ASM)
+  __assembler_iar_deps("-y" 9)
+  set(_CMAKE_IAR_SILENCER_FLAG " -S")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa;S)
 
-set(_CMAKE_IAR_ASM_SILENT   "RH850"  "RL78" "RX" "RISC-V" "STM8")
-if("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" IN_LIST _CMAKE_IAR_ASM_SILENT)
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
+  __compiler_iar_ilink(ASM)
+  __assembler_iar_deps("--dependencies=ns" 2.50.1)
   set(_CMAKE_IAR_SILENCER_FLAG " --silent")
-else()
-  set(_CMAKE_IAR_SILENCER_FLAG " -S")
-endif()
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa;S)
 
-string(APPEND CMAKE_ASM_FLAGS_INIT " ")
-string(APPEND CMAKE_ASM_FLAGS_DEBUG_INIT " -r")
-string(APPEND CMAKE_ASM_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
-string(APPEND CMAKE_ASM_FLAGS_RELEASE_INIT " -DNDEBUG")
-string(APPEND CMAKE_ASM_FLAGS_RELWITHDEBINFO_INIT " -r -DNDEBUG")
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RH850")
+  __compiler_iar_ilink(ASM)
+  __assembler_iar_deps("--dependencies=ns" 2)
+  set(_CMAKE_IAR_SILENCER_FLAG " --silent")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa;S)
 
-set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> ${_CMAKE_IAR_SILENCER_FLAG} <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RL78")
+  __compiler_iar_ilink(ASM)
+  __assembler_iar_deps("--dependencies=ns" 2)
+  set(_CMAKE_IAR_SILENCER_FLAG " --silent")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa;S)
 
-if("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" IN_LIST _CMAKE_IAR_ITOOLS)
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" MATCHES "(RISCV|RISC-V)")
   __compiler_iar_ilink(ASM)
+  __assembler_iar_deps("--dependencies=ns" 1)
+  set(_CMAKE_IAR_SILENCER_FLAG " --silent")
   set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa;S)
 
-elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" IN_LIST _CMAKE_IAR_XTOOLS)
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
+  __compiler_iar_xlink(ASM)
+  __assembler_iar_deps("-y" 8)
+  set(_CMAKE_IAR_SILENCER_FLAG " -S")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s90;asm;msa)
+
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "MSP430")
   __compiler_iar_xlink(ASM)
-  # AVR=s90, MSP430=s43, V850=s85, 8051=s51
-  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s90;s43;s85;s51;asm;msa)
+  __assembler_iar_deps("-y" 8)
+  set(_CMAKE_IAR_SILENCER_FLAG " -S")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s43;asm;msa)
 
-else()
-  message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID not detected. This should be automatic.")
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
+  __compiler_iar_xlink(ASM)
+  set(_CMAKE_IAR_SILENCER_FLAG " -S")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s85;asm;msa)
+
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
+  __compiler_iar_xlink(ASM)
+  set(_CMAKE_IAR_SILENCER_FLAG " -S")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s51;asm;msa)
+
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
+  __compiler_iar_ilink(ASM)
+  __assembler_iar_deps("--dependencies=ns" 2)
+  set(_CMAKE_IAR_SILENCER_FLAG " --silent")
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa;S)
 
+else()
+  message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID not detected. This should be automatic." )
 endif()
 
-unset(_CMAKE_IAR_ITOOLS)
-unset(_CMAKE_IAR_XTOOLS)
-unset(_CMAKE_IAR_ASM_SILENT)
-unset(_CMAKE_IAR_SILENCER_FLAG)
+string(APPEND CMAKE_ASM_FLAGS_DEBUG_INIT " -r")
+string(APPEND CMAKE_ASM_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
+string(APPEND CMAKE_ASM_FLAGS_RELEASE_INIT " -DNDEBUG")
+string(APPEND CMAKE_ASM_FLAGS_RELWITHDEBINFO_INIT " -r -DNDEBUG")
 
-cmake_policy(POP)
+set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> ${_CMAKE_IAR_SILENCER_FLAG} <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
+
+unset(_CMAKE_IAR_SILENCER_FLAG)
diff --git a/Modules/Compiler/IAR.cmake b/Modules/Compiler/IAR.cmake
index e75df59c6e..0aca2838a7 100644
--- a/Modules/Compiler/IAR.cmake
+++ b/Modules/Compiler/IAR.cmake
@@ -53,3 +53,9 @@ macro(__compiler_iar_xlink lang)
 
   set(CMAKE_LIBRARY_PATH_FLAG "-I")
 endmacro()
+
+macro(__assembler_iar_deps flag min_version)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL ${min_version})
+    set(CMAKE_DEPFILE_FLAGS_ASM "${flag} <DEP_FILE>")
+  endif()
+endmacro()
-- 
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