feat: initial booting kernel, copy libc stuff from myke

yak-kernel/include/errno.h

@@ -0,0 +1,45 @@
+//
+// Created by rick on 10-03-21.
+//
+
+#ifndef NEW_KERNEL_ERRNO_H
+#define NEW_KERNEL_ERRNO_H
+
+extern int errno;
+
+#define EPERM   1  /* Operation not permitted */
+#define ENOENT  2  /* No such file or directory */
+#define ESRCH   3  /* No such process */
+#define EINTR   4  /* Interrupted system call */
+#define EIO     5  /* I/O error */
+#define ENXIO   6  /* No such device or address */
+#define E2BIG   7  /* Argument list too long */
+#define ENOEXEC 8  /* Exec format error */
+#define EBADF   9  /* Bad file number */
+#define ECHILD  10 /* No child processes */
+#define EAGAIN  11 /* Try again */
+#define ENOMEM  12 /* Out of memory */
+#define EACCES  13 /* Permission denied */
+#define EFAULT  14 /* Bad address */
+#define ENOTBLK 15 /* Block device required */
+#define EBUSY   16 /* Device or resource busy */
+#define EEXIST  17 /* File exists */
+#define EXDEV   18 /* Cross-device link */
+#define ENODEV  19 /* No such device */
+#define ENOTDIR 20 /* Not a directory */
+#define EISDIR  21 /* Is a directory */
+#define EINVAL  22 /* Invalid argument */
+#define ENFILE  23 /* File table overflow */
+#define EMFILE  24 /* Too many open files */
+#define ENOTTY  25 /* Not a typewriter */
+#define ETXTBSY 26 /* Text file busy */
+#define EFBIG   27 /* File too large */
+#define ENOSPC  28 /* No space left on device */
+#define ESPIPE  29 /* Illegal seek */
+#define EROFS   30 /* Read-only file system */
+#define EMLINK  31 /* Too many links */
+#define EPIPE   32 /* Broken pipe */
+#define EDOM    33 /* Math argument out of domain of func */
+#define ERANGE  34 /* Math result not representable */
+
+#endif //NEW_KERNEL_ERRNO_H

yak-kernel/include/stdio.h

@@ -0,0 +1,2 @@
+#define PRINTF_ALIAS_STANDARD_FUNCTION_NAMES_SOFT 1
+#include <printf/printf.h>

yak-kernel/include/stdlib.h

@@ -0,0 +1,37 @@
+//
+// Created by rick on 10-03-21.
+//
+
+#ifndef NEW_KERNEL_STDLIB_H
+#define NEW_KERNEL_STDLIB_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+void __attribute__((__noreturn__)) abort();
+
+int atexit(void (*)(void));
+
+int atoi(const char *);
+
+char *itoa(uint32_t value, char *buffer, int base);
+
+char *getenv(const char *);
+
+int abs(int val);
+
+long labs(long val);
+
+long long llabs(long long val);
+
+void qsort(void *base, size_t num, size_t size, int (*compar)(const void *, const void *));
+
+long strtol(const char *nptr, char **endptr, int base);
+
+void *malloc(size_t size);
+void free(void *ptr);
+void *calloc(size_t nmemb, size_t size);
+void *realloc(void *ptr, size_t size);
+void *reallocarray(void *ptr, size_t nmemb, size_t size);
+
+#endif //NEW_KERNEL_STDLIB_H

yak-kernel/include/string.h

@@ -0,0 +1,40 @@
+//
+// Created by rick on 01-02-21.
+//
+
+#ifndef NEW_KERNEL_STRING_H
+#define NEW_KERNEL_STRING_H
+
+#include <stddef.h>
+
+void *memcpy(void *dst, const void *src, size_t amount);
+
+void *memset(void *dst, int data, size_t amount);
+
+void *memmove(void *dst, const void *src, size_t amount);
+
+void *strcpy(char *dst, const char *src);
+
+void *strncpy(char *dst, const char *src, size_t n);
+
+size_t strlen(const char *str);
+
+char *strchr(const char *s, char c);
+
+char *strrchr(const char *s, char c);
+
+int memcmp(const void *s1, const void *s2, size_t n);
+
+int strcmp(const char *s1, const char *s2);
+
+int strncmp(const char *s1, const char *s2, size_t n);
+
+char *strdup(const char *s);
+
+char *strndup(const char *s, size_t n);
+
+char *strcat(char *dest, const char *src);
+
+char *strncat(char *dest, const char *src, size_t n);
+
+#endif //NEW_KERNEL_STRING_H

yak-kernel/include/sys/param.h

@@ -0,0 +1,11 @@
+//
+// Created by rick on 10-03-21.
+//
+
+#ifndef NEW_KERNEL_PARAM_H
+#define NEW_KERNEL_PARAM_H
+
+#define MIN(a, b) (((a)<(b))?(a):(b))
+#define MAX(a, b) (((a)>(b))?(a):(b))
+
+#endif //NEW_KERNEL_PARAM_H

yak-kernel/include/sys/types.h

@@ -0,0 +1,16 @@
+/*
+ * types.h
+ *
+ *  Created on: Nov 1, 2018
+ *      Author: rick
+ */
+
+#ifndef KERNEL_LIBC_TYPES_H_
+#define KERNEL_LIBC_TYPES_H_
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef int pid_t;
+
+#endif /* KERNEL_LIBC_TYPES_H_ */

yak-kernel/include/yak/platform/generic/platform.h

@@ -0,0 +1,12 @@
+//
+// Created by rick on 22-3-23.
+//
+
+#ifndef YAK_PLATFORM_H
+#define YAK_PLATFORM_H
+
+void platform_init();
+
+void __attribute__((noreturn)) halt_forever();
+
+#endif //YAK_PLATFORM_H

yak-kernel/include/yak/rt/kmain.h

@@ -0,0 +1,10 @@
+//
+// Created by rick on 22-3-23.
+//
+
+#ifndef YAK_KMAIN_H
+#define YAK_KMAIN_H
+
+void kmain();
+
+#endif //YAK_KMAIN_H

yak-kernel/include/yak/rt/kprint.h

@@ -0,0 +1,18 @@
+//
+// Created by rick on 21-3-23.
+//
+
+#ifndef YAK_KPRINT_H
+#define YAK_KPRINT_H
+
+typedef void (*print_function)(char c);
+
+void kprint_now(char* msg);
+
+void kprint_putc_now(char c);
+
+void kprint_register(print_function print);
+
+void kprint_unregister(print_function print);
+
+#endif //YAK_KPRINT_H

yak-kernel/include/yak/rt/panic.h

@@ -0,0 +1,10 @@
+//
+// Created by rick on 21-3-23.
+//
+
+#ifndef YAK_PANIC_H
+#define YAK_PANIC_H
+
+void __attribute__((__noreturn__)) panic(char* reason);
+
+#endif //YAK_PANIC_H