Add test disp.lvgl

tests/disp/lvgl/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.28)
+project(lvgl_port_gl C)
+
+set(CMAKE_C_STANDARD 99)
+
+add_subdirectory(lvgl)
+
+add_executable(lvgl_port_gl
+        porting/lv_port_disp.c
+        porting/lv_port_fs.c
+        porting/lv_port_indev.c
+        main.c
+        /workspace/share/main.S)
+
+set_source_files_properties(foo.cpp PROPERTIES COMPILE_FLAGS "-T /workspace/share/t1.ld")
+
+#find_package(glfw3 3.4.0 EXACT REQUIRED PATHS /opt/homebrew/Cellar/glfw/3.4/lib/cmake/glfw3)
+#find_package(OpenGL REQUIRED)
+
+target_link_libraries(lvgl_port_gl PRIVATE lvgl)
+#target_link_libraries(lvgl_port_gl PRIVATE glfw3)
+#target_link_libraries(lvgl_port_gl PRIVATE OpenGL::GL)
+
+#target_include_directories(lvgl_port_gl PRIVATE /opt/homebrew/Cellar/glfw/3.4/include)
+#target_link_libraries(lvgl_port_gl PRIVATE /opt/homebrew/Cellar/glfw/3.4/lib/libglfw.dylib)

tests/disp/lvgl/README.md

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+# disp.lvgl
+
+This is an example of running lvgl on T1.
+
+## Build & Run instructions
+
+```
+# Create a directory for compiling
+cd /workspace/examples/disp.lvgl # Should be the directory where this README lives
+mkdir build && cd build
+
+# Generate build files using cmake
+cmake .. \
+    -DLV_CONF_BUILD_DISABLE_DEMOS=TRUE \
+    -DLV_CONF_BUILD_DISABLE_EXAMPLES=TRUE \
+    -DLV_CONF_BUILD_DISABLE_THORVG_INTERNAL=TRUE \
+    -DT1_PLATFORM=TRUE \
+    -DCMAKE_TOOLCHAIN_FILE=../toolchain.cmake
+
+# Build using make
+make -j$(nproc)
+
+# Since T1's elf need a special entry point, manually link a new elf here.
+# (This should be done in cmake, though I haven't invest in time to figure it out)
+t1-cc -T /workspace/share/t1.ld /workspace/share/main.S \
+    ../main.c \
+    -DLV_CONF_INCLUDE_SIMPLE -DLV_LVGL_H_INCLUDE_SIMPLE \
+    -isystem /workspace/examples/disp.lvgl/lvgl \
+    -isystem /workspace/examples/disp.lvgl/build/lvgl \
+    CMakeFiles/lvgl_port_gl.dir/porting/lv_port_disp.c.obj \
+    CMakeFiles/lvgl_port_gl.dir/porting/lv_port_fs.c.obj \
+    CMakeFiles/lvgl_port_gl.dir/porting/lv_port_indev.c.obj \
+    lvgl/lib/liblvgl.a \
+    -o lvgl.elf
+
+# Run the elf binary through emulator
+t1rocketemu-verilated-simulator +t1_elf_file=lvgl.elf
+```