diff --git a/setter/src/atarist/CMakeLists.txt b/setter/src/atarist/CMakeLists.txt
index cf949a4..3f6944e 100644
--- a/setter/src/atarist/CMakeLists.txt
+++ b/setter/src/atarist/CMakeLists.txt
@@ -26,4 +26,4 @@ if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "MiNT")
return()
endif()
-add_sources(attr.c attr.h deleted.c dirdepth.c filename.c files.c frag.c links.c os.c perms.c rsrcfork.c sparse.c time.c tostime.h volume.c xattr.c)
+add_sources(attr.c attr.h deleted.c dirdepth.c filename.c files.c frag.c links.c os.c os.h perms.c rsrcfork.c sparse.c time.c tostime.h volume.c xattr.c)
diff --git a/setter/src/atarist/os.c b/setter/src/atarist/os.c
new file mode 100644
index 0000000..09102ab
--- /dev/null
+++ b/setter/src/atarist/os.c
@@ -0,0 +1,142 @@
+/****************************************************************************
+Aaru Data Preservation Suite
+-----------------------------------------------------------------------------
+
+ Author(s) : Natalia Portillo
+
+--[ License ] ---------------------------------------------------------------
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+
+-----------------------------------------------------------------------------
+Copyright (C) 2011-2021 Natalia Portillo
+*****************************************************************************/
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#include "os.h"
+
+#include "../include/defs.h"
+#include "../log.h"
+
+void GetOsInfo()
+{
+ OSHEADER* osHeader = (OSHEADER*)_sysbase;
+ unsigned short version;
+ long** cookieJar = _p_cookies;
+ long cookie = 0;
+ char type[5];
+ int rc;
+ struct _stemu_vars* stemu_vars;
+ struct _tos2win_vars* tos2win_vars;
+ MAGX_COOKIE* magic_vars;
+
+ version = Sversion();
+
+ log_write("OS information:\n");
+ log_write("\tRunning under TOS %d.%02d\n", (osHeader->os_version & 0xFF00) >> 8, osHeader->os_version & 0xFF);
+ log_write("\tCountry code: %d\n", osHeader->os_conf >> 1);
+ log_write("\tVideo mode: %d\n", (osHeader->os_conf & 0x01) ? "PAL" : "NTSC");
+ log_write("\tSystem build date: %04X/%02X/%02X\n",
+ osHeader->os_date >> 16,
+ (osHeader->os_date & 0xFF00) >> 8,
+ osHeader->os_date & 0xFF);
+ log_write("\tGEMDOS v%d.%02d\n", version >> 8, version & 0xFF);
+
+ rc = Ssystem(-1, 0, 0);
+
+ if(rc == E_OK)
+ {
+ rc = Ssystem(S_OSNAME, 0, 0);
+
+ if(rc > 0)
+ {
+ memset(type, 0, 5);
+ snprintf(type, 4, "%s", (char*)&rc);
+ log_write("\tOS name: %s\n", type);
+ }
+
+ rc = Ssystem(S_OSXNAME, 0, 0);
+
+ if(rc > 0)
+ {
+ memset(type, 0, 5);
+ snprintf(type, 4, "%s", (char*)&rc);
+ log_write("\tOS sub-name: %s\n", type);
+ }
+ }
+
+ // Check for a cookie jar
+ if(*cookieJar == 0) return;
+
+ // KAOS TOS
+ rc = Getcookie(C__T30, &cookie);
+ if(rc == E_OK)
+ log_write(
+ "\tRunning under KAOS TOS from %04X/%02X/%02X\n", cookie & 0xFFFF, (cookie & 0xFF0000 >> 16), cookie >> 24);
+
+ // MiNT / MultiTOS
+ rc = Getcookie(C_MiNT, &cookie);
+ if(rc == E_OK) log_write("\tRunning under MiNT/MultiTOS version %d.%02d\n", cookie >> 8, cookie & 0xFF);
+
+ // oTOSis (format of cookie not known
+ rc = Getcookie(0x4F544F53L, &cookie);
+ if(rc == E_OK) log_write("\tRunning under oTOSis\n");
+
+ // STEmulator
+ rc = Getcookie(0x5354454DL, (long*)&stemu_vars);
+ if(rc == E_OK)
+ log_write("\tRunning under STEmulator version %d.%02d\n", stemu_vars->version >> 8, stemu_vars->version & 0xFF);
+
+ // STEmulator
+ rc = Getcookie(C__T2W, (long*)&tos2win_vars);
+ if(rc == E_OK)
+ log_write(
+ "\tRunning under TOS2WIN version %X.%02X\n", tos2win_vars->version >> 8, tos2win_vars->version & 0xFF);
+
+ // MagiC
+ rc = Getcookie(C_MagX, (long*)&magic_vars);
+ if(rc == E_OK)
+ log_write("\tRunning under MagiC version %d.%d\n",
+ magic_vars->aesvars->version >> 8,
+ magic_vars->aesvars->version & 0xFF);
+
+ // MagiC
+ rc = Getcookie(C_MgMc, (long*)&magic_vars);
+ if(rc == E_OK)
+ log_write("\tRunning under MagiCMac version %d.%d\n",
+ magic_vars->aesvars->version >> 8,
+ magic_vars->aesvars->version & 0xFF);
+
+ // MagiC
+ rc = Getcookie(C_MgMx, (long*)&magic_vars);
+ if(rc == E_OK)
+ log_write("\tRunning under MagiCMac X version %d.%d\n",
+ magic_vars->aesvars->version >> 8,
+ magic_vars->aesvars->version & 0xFF);
+
+ // MagiC
+ rc = Getcookie(C_MgPC, (long*)&magic_vars);
+ if(rc == E_OK)
+ log_write("\tRunning under MagiC PC version %d.%d\n",
+ magic_vars->aesvars->version >> 8,
+ magic_vars->aesvars->version & 0xFF);
+}
diff --git a/setter/src/atarist/os.h b/setter/src/atarist/os.h
new file mode 100644
index 0000000..2d5b442
--- /dev/null
+++ b/setter/src/atarist/os.h
@@ -0,0 +1,91 @@
+/****************************************************************************
+Aaru Data Preservation Suite
+-----------------------------------------------------------------------------
+
+ Author(s) : Natalia Portillo
+
+--[ License ] ---------------------------------------------------------------
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+
+-----------------------------------------------------------------------------
+Copyright (C) 2011-2021 Natalia Portillo
+*****************************************************************************/
+
+#ifndef FSSETTER_TEST_SRC_ATARIST_OS_H_
+#define FSSETTER_TEST_SRC_ATARIST_OS_H_
+
+struct _stemu_vars
+{
+ int16_t version; /* e.g. 0x0121 Version 1.21 */
+ int32_t unused; /* 0, currently not used */
+}
+
+struct _tos2win_vars
+{
+ int16_t len; /* Length of the structure */
+ int16_t version; /* Version in BCD i.e. $0119 = Version 1.19 */
+ int32_t pc_ptr; /* Offset of the Atari memory in PC memory for recalculation of pointers */
+ int32_t features[4]; /* Bit-fields for individual T2W features */
+};
+
+typedef struct
+{
+ int32_t magic; /* Has to be 0x87654321 */
+ void* membot; /* End of the AES variables */
+ void* aes_start; /* Start address */
+ int32_t magic2; /* Is 'MAGX' */
+ int32_t date; /* Creation date */
+ void (*chgres)(int16_t res, int16_t txt); /* Change resolution */
+ int32_t (**shel_vector)(void); /* Resident desktop */
+ int8_t* aes_bootdrv; /* Booting will be from here */
+ int16_t* vdi_device; /* Driver used by AES */
+ void* reservd1; /* Reserved */
+ void* reservd2; /* Reserved */
+ void* reservd3; /* Reserved */
+ int16_t version; /* Version (0x0201 is V2.1) */
+ int16_t release; /* 0=alpha..3=release */
+} AESVARS;
+
+typedef struct
+{
+ int8_t* in_dos; /* Adress of the DOS semaphore */
+ int16_t* dos_time; /* Adress of the DOS time */
+ int16_t* dos_date; /* Adress of the DOS date */
+ int32_t res1; /* */
+ int32_t res2; /* */
+ int32_t res3; /* is 0L */
+ void* act_pd; /* Running program */
+ int32_t res4; /* */
+ int16_t res5; /* */
+ void* res6; /* */
+ void* res7; /* Internal DOS memory list */
+ void (*resv_intmem)(); /* Extend DOS memory */
+ int32_t (*etv_critica)(); /* etv_critic of the GEMDOS */
+ int8_t*((*err_to_str)(int8_t e)); /* Conversion code->plain text */
+ int32_t res8; /* */
+ int32_t res9; /* */
+ int32_t res10; /* */
+} DOSVARS;
+
+typedef struct
+{
+ int32_t config_status;
+ DOSVARS* dosvars;
+ AESVARS* aesvars;
+ void* res1;
+ void* hddrv_functions;
+ int32_t status_bits;
+} MAGX_COOKIE;
+
+#endif // FSSETTER_TEST_SRC_ATARIST_OS_H_