> compile NEMU

ysyx_22040000 李心杨
Linux calcite 6.6.19 #1-NixOS SMP PREEMPT_DYNAMIC Fri Mar  1 12:35:11 UTC 2024 x86_64 GNU/Linux
 16:07:06  up 4 days  3:13,  2 users,  load average: 1.07, 1.12, 1.07

abstract-machine/CMakeLists.txt

@@ -76,9 +76,12 @@ add_link_options(
 )
 
 # -- Include linker script here. Use this linker script at link time if INCLUDE_LINKER_SCRIPT is set to true
-set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/scripts/linker.ld)
+set(LINKER_SCRIPT linker.ld)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 
+add_compile_options(-march=rv32if -mabi=ilp32)
+add_link_options(-march=rv32if -mabi=ilp32)
+
 add_subdirectory(klib)
 add_subdirectory(am)

abstract-machine/am/src/CMakeLists.txt

@@ -14,9 +14,11 @@ target_include_directories(am-${ARCH}
 target_link_libraries(am-${ARCH}
     PUBLIC klib_interface
     INTERFACE m)
-if(INCLUDE_LINKER_SCRIPT)
-    target_link_options(am-${ARCH} INTERFACE -T${LINKER_SCRIPT})
-endif()
+
+# TODO: Check
+target_link_options(am-${ARCH} INTERFACE
+    $<BUILD_INTERFACE:-T${CMAKE_SOURCE_DIR}/scripts/${LINKER_SCRIPT}>
+    $<INSTALL_INTERFACE:-T${CMAKE_INSTALL_LIBDIR}/cmake/am-${ARCH}/${LINKER_SCRIPT}>)
 
 # Interface compile flags
 target_link_options(am-${ARCH} INTERFACE
@@ -45,3 +47,7 @@ configure_package_config_file(${CMAKE_SOURCE_DIR}/cmake/am-config.cmake.in
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/am-${ARCH}-config.cmake
         DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/am-${ARCH})
+
+# TODO: check
+install(FILES ${CMAKE_SOURCE_DIR}/scripts/${LINKER_SCRIPT}
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/am-${ARCH})

abstract-machine/am/src/riscv/nemu/CMakeLists.txt

@@ -1,4 +1,5 @@
 include(nemu-settings)
+include(riscv-settings)
 
 add_library(am-${ISA}-nemu
     cte.c
@@ -16,6 +17,12 @@ target_link_options(am-${ISA}-nemu PRIVATE
     ${RISCV_LINK_OPTIONS})
 target_include_directories(am-${ISA}-nemu PRIVATE
     ${NEMU_INCLUDE_DIRECTORIES})
+target_link_options(am-${ISA}-nemu INTERFACE
+    LINKER:--defsym=_pmem_start=0x80000000
+    LINKER:--defsym=_entry_offset=0x0
+    LINKER:--gc-sections
+    LINKER:-e _start
+    -nostartfiles)
 
 target_compile_definitions(am-${ISA}-nemu PUBLIC
     ARCH_H="arch/riscv.h")

abstract-machine/cmake/nemu-settings.cmake

@@ -8,4 +8,4 @@ set(NEMU_INCLUDE_DIRECTORIES
     ${CMAKE_SOURCE_DIR}/am/src/platform/nemu/include)
 file(GLOB_RECURSE NEMU_SOURCES
     ${CMAKE_SOURCE_DIR}/am/src/platform/nemu/*.[cS])
-set(INCLUDE_LINKER_SCRIPT true)
+set(INCLUDE_LINKER_SCRIPT ON)

flake.nix

@@ -12,7 +12,10 @@
           localSystem = system;
           crossSystem = {
             config = "riscv32-none-elf";
+            gcc = {
               abi = "ilp32";
+              arch = "rv32if";
+            };
           };
         };
       in
@@ -40,14 +43,21 @@
 
         packages.am-kernels-cmake = crossPkgs.stdenv.mkDerivation rec {
           pname = "am-kernels-cmake";
-          version = "2024.02.18";
+          version = "2024.02.19";
 
-          src = /home/xin/repo/am-kernels;
+          src = ./am-kernels; 
 
           nativeBuildInputs = [
             pkgs.cmake
           ];
 
+          cmakeFlags = [
+            (pkgs.lib.cmakeFeature "ISA" "riscv")
+            (pkgs.lib.cmakeFeature "PLATFORM" "nemu")
+
+            (pkgs.lib.cmakeFeature "CMAKE_INSTALL_DATADIR" "share")
+          ];
+
           buildInputs = [
             # SDL2
             self.packages.${system}.abstract-machine

result

@@ -1 +1 @@
-/nix/store/nzfl421lydgznc237s7z6nz93zml4i8p-am-kernels-rv32-riscv32-none-elf-2024.02.18
+/nix/store/mpn11vhq7f7zqp9ql02n083x1wkp5jbx-am-kernels-cmake-riscv32-none-elf-2024.02.19