File system interface

Basic file system implementation
Path resolution work in progress

1 files changed, 35 insertions, 0 deletions

diff --git a/sw/z80/kernel/include/errno.h b/sw/z80/kernel/include/errno.h
new file mode 100644
index 0000000..7632269
--- /dev/null
+++ b/sw/z80/kernel/include/errno.h
@@ -0,0 +1,35 @@
+#ifndef ERRNO_H
+#define 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       /* Input/output error */
+#define ENXIO       6       /* Device not configured */
+#define E2BIG       7       /* Argument list too long */
+#define ENOEXEC     8       /* Exec format error */
+#define EBADF       9       /* Bad file descriptor */
+#define ECHILD      10      /* No child processes */
+#define EDEADLK     11      /* Resource deadlock avoided */
+
+#define ENOMEM      12      /* Cannot allocate memory */
+#define EACCES      13      /* Permission denied */
+#define EFAULT      14      /* Bad address */
+
+#define ENOTBLK     15      /* Block device required */
+#define EBUSY       16      /* Device busy */
+#define EEXIST      17      /* File exists */
+
+#define EXDEV       18      /* Cross-device link */
+#define ENODEV      19      /* Operation not supported by device */
+#define ENOTDIR     20      /* Not a directory */
+#define EISDIR      21      /* Is a directory */
+#define EINVAL      22      /* Invalid argument */
+#define ENFILE      23      /* Too many open files in system */
+#define EMFILE      24      /* Too many open files */
+#define ENOTTY      25      /* Inappropriate ioctl for device */
+
+#endif