build system refresh

rlibc/include/stdio.h

@@ -0,0 +1,10 @@
+#ifndef RLIBC_STDIO_H
+#define RLIBC_STDIO_H
+
+#include <stdarg.h>
+
+int printf(const char *format, ...);
+
+char getchar(void);
+
+#endif

rlibc/include/stdlib.h

@@ -0,0 +1,8 @@
+#ifndef RLIBC_STDLIB_H
+#define RLIBC_STDLIB_H
+
+#include <stddef.h>
+
+void* malloc(size_t size);
+
+#endif

rlibc/include/string.h

@@ -0,0 +1,15 @@
+#ifndef RLIBC_STRING_H
+#define RLIBC_STRING_H
+
+#include <stddef.h>
+
+void *memcpy(void *restrict dest, const void *restrict src, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
+void *memset(void *s, int c, size_t n);
+
+size_t strlen(const char *s);
+int strcmp(const char *s1, const char *s2);
+char *strcpy(char *dest, const char *src);
+char* strcat(char *dest, const char* src);
+
+#endif

rlibc/include/sys/types.h

@@ -0,0 +1,8 @@
+#ifndef RLIBC_SYS_TYPES_H
+#define RLIBC_SYS_TYPES_H
+
+typedef long off_t;
+
+typedef int ssize_t;
+
+#endif

rlibc/include/sys/video.h

@@ -0,0 +1,17 @@
+#ifndef USER_VIDEO_H
+#define USER_VIDEO_H
+
+#include <stdint.h>
+
+#define FBIOGET_INFO  0x1
+
+typedef struct {
+    uint32_t width;
+    uint32_t height;
+    uint32_t pitch;
+    uint32_t bpp;
+    uint32_t fb_size;
+} fb_info_t;
+
+
+#endif

rlibc/include/syscall.h

@@ -0,0 +1,46 @@
+#ifndef RLIBC_SYSCALL_H
+#define RLIBC_SYSCALL_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define SYS_EXIT    1
+#define SYS_READ    3
+#define SYS_WRITE   4
+#define SYS_OPEN    5
+#define SYS_CLOSE   6
+#define SYS_BRK     12
+#define SYS_SBRK    13
+#define SYS_PTY     20
+#define SYS_FORK    21
+#define SYS_EXEC    22
+#define SYS_DUP2    23
+#define SYS_LSEEK   24
+#define SYS_WAIT    25
+#define SYS_MMAP    26
+#define SYS_IOCTL   27
+
+int open(const char* path);
+int write(int fd, const void *buf, size_t count);
+int read(int fd, void *buf, size_t count);
+int close(int fd);
+
+int lseek(int fd, size_t offset, int whence);
+
+void* mmap(int fd);
+
+void exit(int status) __attribute__((noreturn));
+
+void* sbrk(int32_t increment);
+int brk(void *addr);
+
+int pty(int* slave);
+
+int fork();
+int exec(const char* path);
+int dup2(int src, int dst);
+int waitpid(int pid, int* status);
+
+int ioctl(int fd, uint32_t request, void* arg);
+
+#endif

rlibc/include/unistd.h

@@ -0,0 +1,15 @@
+#ifndef RLIBC_UNISTD_H
+#define RLIBC_UNISTD_H
+
+#include <syscall.h>
+#include <sys/types.h>
+
+#define STDIN_FILENO  0
+#define STDOUT_FILENO 1
+#define STDERR_FILENO 2
+
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+
+#endif