remove c++

Makefile

@@ -32,12 +32,9 @@ GRUB_CONFIG    := $(ARCH_DIR)/build/grub.cfg
 
 # sources
 C_SOURCES      := $(shell find $(SRC_DIR) -type f -name '*.c' ! -name '*.excluded.c')
-CPP_SOURCES    := $(shell find $(SRC_DIR) -type f -name '*.cpp' ! -name '*.excluded.cpp')
 ASM_SOURCES    := $(shell find $(SRC_DIR) -type f -name '*.asm')
 
 # filtered sources
-#  assuming C++ is only in src/apps, so there is no need
-#  to exclude it based on architecture
 C_SOURCES_FILTERED := \
     $(filter-out $(SRC_DIR)/arch/%,$(C_SOURCES)) \
     $(filter $(SRC_DIR)/arch/$(ARCH)/%,$(C_SOURCES))
@@ -47,11 +44,10 @@ ASM_SOURCES_FILTERED := \
 
 # objects
 C_OBJECTS      := $(patsubst $(SRC_DIR)/%.c,$(BIN_DIR)/%.o,$(C_SOURCES_FILTERED))
-CPP_OBJECTS    := $(patsubst $(SRC_DIR)/%.cpp,$(BIN_DIR)/%.o,$(CPP_SOURCES))
 ASM_OBJECTS    := $(patsubst $(SRC_DIR)/%.asm,$(BIN_DIR)/%.o,$(ASM_SOURCES_FILTERED))
 
 # all objects
-OBJECTS        := $(C_OBJECTS) $(CPP_OBJECTS) $(ASM_OBJECTS)
+OBJECTS        := $(C_OBJECTS) $(ASM_OBJECTS)
 
 # main target
 all: build_kernel build_iso
@@ -61,13 +57,7 @@ all: build_kernel build_iso
 $(BIN_DIR)/%.o: $(SRC_DIR)/%.c
 	@mkdir -p $(dir $@)
 	@echo -e "\033[1;36m[*]\033[0m $< -> $@"
-	@gcc -g -Wall -Wextra -m$(ARCH_M) -ffreestanding -nostartfiles -Iinclude -nostdlib -fno-stack-protector -c $< -o $@
-
-# build c++ sources
-$(BIN_DIR)/%.o: $(SRC_DIR)/%.cpp
-	@mkdir -p $(dir $@)
-	@echo -e "\033[1;36m[*]\033[0m $< -> $@"
-	@g++ -g -Wall -Wextra -m$(ARCH_M) -ffreestanding -fno-rtti -fno-threadsafe-statics -nostartfiles -Iinclude -nostdlib -fno-stack-protector -fno-exceptions -c $< -o $@
+	@gcc -g -Wall -Wextra -m$(ARCH_M) -mno-sse -mno-sse2 -mno-sse3 -mno-mmx -ffreestanding -nostartfiles -Iinclude -nostdlib -fno-stack-protector -c $< -o $@
 
 # build assembly sources
 $(BIN_DIR)/%.o: $(SRC_DIR)/%.asm

compile_flags.txt

@@ -7,3 +7,7 @@
 -fno-stack-protector 
 -fno-exceptions 
 -fno-rtti
+-mno-sse 
+-mno-sse2 
+-mno-sse3 
+-mno-mmx

include/apps/calc.h

@@ -0,0 +1 @@
+void calculator_main();

include/apps/tinypad.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <screen.h>
+#include <types.h>
+#include <input.h>
+
+int tinypad_main(uint8_t color, uint8_t barcolor);

src/apps/calc/calc.cpp → src/apps/calc/calc.c

@@ -1,12 +1,10 @@
-extern "C" {
-    #include <input.h>
-    #include <msg.h>
-    #include <string.h>
-    #include <types.h>
-    #include <numbers.h>
-}
+#include <input.h>
+#include <msg.h>
+#include <string.h>
+#include <types.h>
+#include <numbers.h>
 
-extern "C" void calculator_main() {
+void calculator_main() {
     int64_t left;
     int64_t right;
     char    sign[2]; // leaving a space for a null-terminator