1 files changed, 57 insertions, 0 deletions
diff --git a/libgloss/m68k/atari/atari-gem_errno.h b/libgloss/m68k/atari/atari-gem_errno.h
new file mode 100644
index 0000000..c61478d
--- /dev/null
+++ b/libgloss/m68k/atari/atari-gem_errno.h
@@ -0,0 +1,57 @@
+/*
+	Copyright (C) 2025 Mikael Hildenborg
+	SPDX-License-Identifier: BSD-2-Clause
+*/
+
+#ifndef GEM_ERRNO_DEFINED
+#define GEM_ERRNO_DEFINED
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GEM_E_OK 			0		// No error
+#define GEM_ERROR 			-1		// Generic error
+#define GEM_EDRVNR 			-2		// Drive not ready
+#define GEM_EUNCMD 			-3		// Unknown command
+#define GEM_E_CRC 			-4		// CRC error
+#define GEM_EBADRQ			-5		// Bad request
+#define GEM_E_SEEK			-6		// Seek error
+#define GEM_EMEDIA			-7		// Unknown media
+#define GEM_ESECNF			-8		// Sector not found
+#define GEM_EPAPER			-9		// Out of paper
+#define GEM_EWRITF			-10		// Write fault
+#define GEM_EREADF			-11		// Read fault
+#define GEM_EWRPRO			-12		// Device is write protected
+#define GEM_E_CHNG			-14		// Media change detected
+#define GEM_EUNDEV			-15		// Unknown device
+#define GEM_EBADSF			-16		// Bad sectors on format
+#define GEM_EOTHER			-17		// Insert other disk (request)
+#define GEM_EINVFN			-32		// Invalid function
+#define GEM_EFILNF			-33		// File not found
+#define GEM_EPTHNF			-34		// Path not found
+#define GEM_ENHNDL			-35		// No more handles
+#define GEM_EACCDN			-36		// Access denied
+#define GEM_EIHNDL			-37		// Invalid handle
+#define GEM_ENSMEM			-39		// Insufficient memory
+#define GEM_EIMBA 			-40		// Invalid memory block address
+#define GEM_EDRIVE			-46		// Invalid drive specification
+#define GEM_ENSAME			-48		// Cross device rename
+#define GEM_ENMFIL			-49		// No more files
+#define GEM_ELOCKED			-58		// Record is already locked
+#define GEM_ENSLOCK			-59		// Invalid lock removal request
+#define GEM_ERANGE			-64		// Range error
+#define GEM_ENAMETOOLONG	-64		// Range error
+#define GEM_EINTRN			-65		// Internal error
+#define GEM_EPLFMT			-66		// Invalid program load format
+#define GEM_EGSBF			-67		// Memory block growth failure
+#define GEM_ELOOP			-80		// Too many symbolic links
+#define GEM_EMOUNT			-200	// Mount point crossed (indicator)
+
+void gem_error_to_errno(int gem_error);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // GEM_ERRNO_DEFINED