First commit, Vystem v0.1

shelter/lib/include/std/status.h

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: MPL-2.0
+#ifndef SH_LIB_STATUS_H
+#define SH_LIB_STATUS_H
+#include "std/type.h"
+typedef sh_int64 SH_STATUS;
+#define SH_STATUS_NEW_SLAB_ADDED -5LL
+#define SH_STATUS_VA_FULLY_MAPPED -4LL
+#define SH_STATUS_VA_PARTIALLY_MAPPED -3LL
+#define SH_STATUS_VA_NOT_MAPPED -2LL
+#define SH_STATUS_VA_MAPPED -1LL
+#define SH_STATUS_SUCCESS 0LL
+#define SH_STATUS_INVALID_PARAMETER 1LL
+#define SH_STATUS_MEM_NOT_EQUAL 2LL
+#define SH_STATUS_INVALID_SIGNATURE 3LL
+#define SH_STATUS_MMAP_BUFFER_OVERFLOW 4LL
+#define SH_STATUS_PMAP_NO_PAGES_SET 5LL
+#define SH_STATUS_PT_POOL_NO_BITMAP_INIT 6LL
+#define SH_STATUS_PT_POOL_NO_PAGE_SET 7LL
+#define SH_STATUS_OUT_OF_MEMORY 8LL
+#define SH_STATUS_INVALID_INTERNAL_PA 9LL
+#define SH_STATUS_KERNEL_PANIC 10LL
+#define SH_STATUS_PTP_FULL 11LL
+#define SH_STATUS_ERROR_VA_FULLY_MAPPED 12LL
+#define SH_STATUS_ERROR_VA_PARTIALLY_MAPPED 13LL
+#define SH_STATUS_ERROR_VA_NOT_MAPPED 14LL
+#define SH_STATUS_SLAB_ALLOCATOR_FULL 15LL
+#define SH_STATUS_NOT_FOUND 16LL
+#define SH_STATUS_RESCAN_NEEDED 17LL
+#define SH_STATUS_ERROR_NULLPTR_RETURNED 18LL
+#define SH_STATUS_ERROR_PEZ_INITIALIZED 19LL
+#define SH_STATUS_SLAB_SLOT_ALREADY_FREE 20LL
+#define SH_STATUS_TEST_FAILED 21LL
+#define SH_STATUS_PBA_FULL 22LL
+#define SH_STATUS_FOUND_CORRUPTED_SLAB 23LL
+#define SH_STATUS_PEZ_CORRUPTED 24LL
+#define SH_STATUS_PAGE_ALREADY_FREE 25LL
+#define SH_STATUS_TOO_MUCH_DATA 26LL
+#define SH_STATUS_HEAP_NOT_INITIALIZED 27LL
+// Return SH_TRUE if provided status is an error
+static inline sh_bool sh_status_error(SH_STATUS s) {
+  return s>=SH_STATUS_INVALID_PARAMETER;
+}
+#endif