First commit, Vystem v0.1

shelter/lib/include/std/malloc.h

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MPL-2.0
+#ifndef SH_LIB_MALLOC_H
+#define SH_LIB_MALLOC_H
+#include "std/status.h"
+#include "std/type.h"
+// Return last status
+SH_STATUS sh_malloc_get_last_status();
+// Allocate memory
+void* sh_malloc(sh_uint64 size);
+// Free memory
+void sh_free(void *ptr);
+#endif

shelter/lib/include/std/mem.h

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MPL-2.0
+#ifndef SH_LIB_MEM_H
+#define SH_LIB_MEM_H
+#include "std/type.h"
+#include "std/status.h"
+// Memory comparaison function
+SH_STATUS sh_mem_compare(const void *a,const void *b,sh_uint64 size);
+// Memory copy function
+SH_STATUS sh_mem_copy(const void *destination,const void *source,sh_uint64 size);
+// Memory set function
+SH_STATUS sh_mem_set_8(sh_uint8 *ptr,const sh_uint8 byte,sh_uint64 count);
+#endif

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

shelter/lib/include/std/stdlib.h

@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: MPL-2.0
+// This header is just here to include all standard header
+// If you are looking for printing functions, take a look at kernel/log.h
+#include "std/mem.h"
+#include "std/malloc.h"
+#include "std/status.h"
+#include "std/type.h"

shelter/lib/include/std/type.h

@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: MPL-2.0
+#ifndef SH_LIB_TYPE_H
+#define SH_LIB_TYPE_H
+typedef signed char sh_int8;
+typedef unsigned char sh_uint8;
+typedef signed short sh_int16;
+typedef unsigned short sh_uint16;
+typedef signed int sh_int32;
+typedef unsigned int sh_uint32;
+typedef signed long long sh_int64;
+typedef unsigned long long sh_uint64;
+#define SH_INT8_MAX 127
+#define SH_INT8_MIN (-128)
+#define SH_UINT8_MAX 0xFF
+#define SH_INT16_MAX 32767
+#define SH_INT16_MIN (-32768)
+#define SH_UINT16_MAX 0xFFFF
+#define SH_INT32_MAX 2147483647
+#define SH_INT32_MIN (-2147483647-1)
+#define SH_UINT32_MAX 0xFFFFFFFFU
+#define SH_INT64_MAX 9223372036854775807LL
+#define SH_INT64_MIN (-9223372036854775807LL-1)
+#define SH_UINT64_MAX 0xFFFFFFFFFFFFFFFFULL
+#define SH_NULLPTR ((void*)0)
+typedef sh_uint8 sh_bool;
+#define SH_TRUE ((sh_bool)1)
+#define SH_FALSE ((sh_bool)0)
+#define SH_DEFVALUE ((sh_uint64)0x446546614C547674)
+#define DEFAULT
+typedef sh_uint64 sh_iter64;
+typedef __builtin_va_list va_list;
+#define va_start(v,l) __builtin_va_start(v,l)
+#define va_end(v) __builtin_va_end(v)
+#define va_arg(v,l) __builtin_va_arg(v,l)
+#endif