Split up source and added basic support for different targets.

targets/_any/include/assert.h

@@ -0,0 +1,27 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_ASSERT_H_INCLUDED)
+#define BAD_APPLE_OS_ASSERT_H_INCLUDED
+
+#include "./detail/common.h"
+
+BA_EXTERN_C_BEGIN
+
+#if defined(NDEBUG)
+#define assert(condition) ((void) 0)
+#else
+#define assert(condition) \
+if (!(condition)) \
+{ \
+    __ba__assert_fail(__FILE__, __LINE__, #condition); \
+}
+#endif
+
+#if !defined(NDEBUG)
+BA_CXX_NORETURN void __ba__assert_fail(const char* filename, int line, const char* condition) BA_CXX_NOEXCEPT;
+#endif
+
+BA_EXTERN_C_END
+
+#endif // !defined(BAD_APPLE_OS_ASSERT_H_INCLUDED)

targets/_any/include/detail/common.h

@@ -0,0 +1,21 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_DETAIL_ATTRIBUTES_H_INCLUDED)
+#define BAD_APPLE_OS_DETAIL_ATTRIBUTES_H_INCLUDED
+
+#if defined(__cplusplus)
+#define BA_CXX_NODISCARD [[nodiscard]]
+#define BA_CXX_NORETURN [[noreturn]]
+#define BA_CXX_NOEXCEPT noexcept
+#define BA_EXTERN_C_BEGIN extern "C" {
+#define BA_EXTERN_C_END }
+#else
+#define BA_CXX_NODISCARD
+#define BA_CXX_NORETURN
+#define BA_CXX_NOEXCEPT
+#define BA_EXTERN_C_BEGIN
+#define BA_EXTERN_C_END
+#endif
+
+#endif // !defined(BAD_APPLE_OS_DETAIL_ATTRIBUTES_H_INCLUDED)

targets/_any/include/os/panic.hpp

@@ -0,0 +1,10 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_PANIC_HPP_INCLUDED)
+#define BAD_APPLE_OS_PANIC_HPP_INCLUDED
+
+[[noreturn]] void panic(const char* message) noexcept;
+[[noreturn]] void panicf(const char* format, ...) noexcept;
+
+#endif // !defined(BAD_APPLE_OS_PANIC_HPP_INCLUDED)

targets/_any/include/os/tty.hpp

@@ -0,0 +1,46 @@
+
+#pragma once
+
+#if !defined(OS_TTY_HPP_INCLUDED)
+#define OS_TTY_HPP_INCLUDED 1
+
+#include <stddef.h>
+#include <stdint.h>
+
+namespace tty
+{
+enum class VgaColor : uint8_t
+{
+	BLACK = 0,
+	BLUE = 1,
+	GREEN = 2,
+	CYAN = 3,
+	RED = 4,
+	MAGENTA = 5,
+	BROWN = 6,
+	LIGHT_GREY = 7,
+	DARK_GREY = 8,
+	LIGHT_BLUE = 9,
+	LIGHT_GREEN = 10,
+	LIGHT_CYAN = 11,
+	LIGHT_RED = 12,
+	LIGHT_MAGENTA = 13,
+	LIGHT_BROWN = 14,
+	WHITE = 15
+};
+
+struct VgaDoubleColor
+{
+    VgaColor foreground : 4 = VgaColor::LIGHT_GREY;
+    VgaColor background : 4 = VgaColor::BLACK;
+};
+
+void initialize();
+void setColor(VgaDoubleColor color);
+void putEntryAt(char chr, VgaDoubleColor color, size_t posX, size_t posY);
+void putChar(char chr);
+void write(const char* data, size_t size);
+void write(const char* data);
+} // namespace tty
+
+#endif // OS_TTY_HPP_INCLUDED

targets/_any/include/stdio.h

@@ -0,0 +1,19 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_STDIO_H_INCLUDED)
+#define BAD_APPLE_OS_STDIO_H_INCLUDED
+
+#include <stdarg.h>
+#include "./detail/common.h"
+
+BA_EXTERN_C_BEGIN
+
+int putchar(int chr) BA_CXX_NOEXCEPT;
+int puts(const char* str) BA_CXX_NOEXCEPT;
+int printf(const char* format, ...) BA_CXX_NOEXCEPT;
+int vprintf(const char* format, va_list vlist) BA_CXX_NOEXCEPT;
+
+BA_EXTERN_C_END
+
+#endif // !defined(BAD_APPLE_OS_STDIO_H_INCLUDED)

targets/_any/include/stdlib.h

@@ -0,0 +1,18 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_STDLIB_H_INCLUDED)
+#define BAD_APPLE_OS_STDLIB_H_INCLUDED
+
+#include <stddef.h>
+#include "./detail/common.h"
+
+BA_EXTERN_C_BEGIN
+
+BA_CXX_NORETURN void abort();
+BA_CXX_NODISCARD void* malloc(size_t size) BA_CXX_NOEXCEPT;
+void free(void* ptr) BA_CXX_NOEXCEPT;
+
+BA_EXTERN_C_END
+
+#endif // !defined(BAD_APPLE_OS_STDLIB_H_INCLUDED)

targets/_any/include/string.h

@@ -0,0 +1,21 @@
+
+#pragma once
+
+#if !defined(BAD_APPLE_OS_STRING_H_INCLUDED)
+#define BAD_APPLE_OS_STRING_H_INCLUDED
+
+#include <stddef.h>
+
+#include "./detail/common.h"
+
+BA_EXTERN_C_BEGIN
+
+BA_CXX_NODISCARD int memcmp(const void* lhs, const void* rhs, size_t count) BA_CXX_NOEXCEPT;
+void memcpy(void* dest, const void* src, size_t count) BA_CXX_NOEXCEPT;
+void memmove(void* dest, const void* src, size_t count) BA_CXX_NOEXCEPT;
+void* memset(void* dest, int value, size_t count) BA_CXX_NOEXCEPT;
+BA_CXX_NODISCARD size_t strlen(const char* str) BA_CXX_NOEXCEPT;
+
+BA_EXTERN_C_END
+
+#endif // !defined(BAD_APPLE_OS_STRING_H_INCLUDED)