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279 | --
-- Copyright (c) 2020-2023, Adel Noureddine, Université de Pau et des Pays de l'Adour.
-- All rights reserved. This program and the accompanying materials
-- are made available under the terms of the
-- GNU General Public License v3.0 only (GPL-3.0-only)
-- which accompanies this distribution, and is available at:
-- https://www.gnu.org/licenses/gpl-3.0.en.html
--
-- Author : Adel Noureddine
--
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with GNAT.OS_Lib; use GNAT.OS_Lib;
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
with GNAT.Expect; use GNAT.Expect;
with Ada.Environment_Variables; use Ada.Environment_Variables;
package body OS_Utils is
function Check_Intel_Supported_System (Platform_Name : in String) return Boolean is
begin
return Platform_Name in "intel" | "amd";
end;
-- Check if platform supports Raspberry Pi
function Check_Raspberry_Pi_Supported_System (Platform_Name : in String) return Boolean is
begin
return Platform_Name in "rbp4001.0-64" | "rbp4b1.2" | "rbp4b1.2-64" | "rbp4b1.1" | "rbp4b1.1-64" | "rbp3b+1.3" | "rbp3b1.2" | "rbp2b1.1" | "rbp1b+1.2" | "rbp1b2" | "rbpzw1.1" | "asustbs";
end;
-- Get architecture name (uname -m)
function Get_Architecture_Name return String is
Command : String := "uname -m";
Args : Argument_List_Access;
Status : aliased Integer;
begin
Args := Argument_String_To_List (Command);
declare
Response : String :=
Get_Command_Output
(Command => Args (Args'First).all,
Arguments => Args (Args'First + 1 .. Args'Last),
Input => "",
Status => Status'Access);
begin
Free (Args);
return Response;
end;
exception
when others =>
return "";
end;
-- Get the name of the current platform (Raspberry) using a codename per supported platform
-- Return empty string if platform is not supported
function Get_Platform_Name_Raspberry return String is
F_Name : File_Type; -- File handle
File_Name : constant String := "/proc/device-tree/model"; -- File to read
Index_Search : Integer; -- Index of platform name in the searched string
Line_String : Unbounded_String; -- Variable to store each line of the read file
Architecture_Name : String := Get_Architecture_Name; -- Architecture name (32/84 bits, arm/x86)
begin
Open (F_Name, In_File, File_Name);
-- Loop through file to check if it's one of the supported ones and get its name
while not End_Of_File (F_Name) loop
Line_String := To_Unbounded_String (Get_Line (F_Name));
-- Specific model used to train the energy models
-- Raspberry Pi 400 1.0
Index_Search := Index (To_String (Line_String), "Raspberry Pi 400 Rev 1.0");
if (Index_Search > 0) then
if (Architecture_Name = "aarch64") then
return "rbp4001.0-64";
end if;
end if;
-- Raspberry Pi 4B 1.2
Index_Search := Index (To_String (Line_String), "Raspberry Pi 4 Model B Rev 1.2");
if (Index_Search > 0) then
if (Architecture_Name = "aarch64") then
return "rbp4b1.2-64";
else
return "rbp4b1.2";
end if;
end if;
-- Raspberry Pi 4B 1.1
Index_Search := Index (To_String (Line_String), "Raspberry Pi 4 Model B Rev 1.1");
if (Index_Search > 0) then
if (Architecture_Name = "aarch64") then
return "rbp4b1.1-64";
else
return "rbp4b1.1";
end if;
end if;
-- Raspberry Pi 3B+ 1.3
Index_Search := Index (To_String (Line_String), "Raspberry Pi 3 Model B Plus Rev 1.3");
if (Index_Search > 0) then
return "rbp3b+1.3";
end if;
-- Raspberry Pi 3B 1.2
Index_Search := Index (To_String (Line_String), "Raspberry Pi 3 Model B Rev 1.2");
if (Index_Search > 0) then
return "rbp3b1.2";
end if;
-- Raspberry Pi 2B 1.1
Index_Search := Index (To_String (Line_String), "Raspberry Pi 2 Model B Rev 1.1");
if (Index_Search > 0) then
return "rbp2b1.1";
end if;
-- Raspberry Pi B+ 1.2
Index_Search := Index (To_String (Line_String), "Raspberry Pi Model B Plus Rev 1.2");
if (Index_Search > 0) then
return "rbp1b+1.2";
end if;
-- Raspberry Pi B 2
Index_Search := Index (To_String (Line_String), "Raspberry Pi Model B Rev 2");
if (Index_Search > 0) then
return "rbp1b2";
end if;
-- Raspberry Pi Zero W 1.1
Index_Search := Index (To_String (Line_String), "Raspberry Pi Zero W Rev 1.1");
if (Index_Search > 0) then
return "rbpzw1.1";
end if;
-- Asus Tinker Board (S)
Index_Search := Index (To_String (Line_String), "ASUS Tinker Board (S)");
if (Index_Search > 0) then
return "asustbs";
end if;
-- Supporting other revisions where specific energy models were not generated
-- In this case, we use the model of the same RPi model but different revision
-- Raspberry Pi 400
Index_Search := Index (To_String (Line_String), "Raspberry Pi 400");
if (Index_Search > 0) then
if (Architecture_Name = "aarch64") then
return "rbp4001.0-64";
end if;
end if;
-- Raspberry Pi 4B
Index_Search := Index (To_String (Line_String), "Raspberry Pi 4 Model B");
if (Index_Search > 0) then
if (Architecture_Name = "aarch64") then
return "rbp4b1.2-64";
else
return "rbp4b1.2";
end if;
end if;
-- Raspberry Pi 3B+
Index_Search := Index (To_String (Line_String), "Raspberry Pi 3 Model B Plus");
if (Index_Search > 0) then
return "rbp3b+1.3";
end if;
-- Raspberry Pi 3B
Index_Search := Index (To_String (Line_String), "Raspberry Pi 3 Model B");
if (Index_Search > 0) then
return "rbp3b1.2";
end if;
-- Raspberry Pi 2B
Index_Search := Index (To_String (Line_String), "Raspberry Pi 2 Model B");
if (Index_Search > 0) then
return "rbp2b1.1";
end if;
-- Raspberry Pi B+
Index_Search := Index (To_String (Line_String), "Raspberry Pi Model B Plus");
if (Index_Search > 0) then
return "rbp1b+1.2";
end if;
-- Raspberry Pi B
Index_Search := Index (To_String (Line_String), "Raspberry Pi Model B");
if (Index_Search > 0) then
return "rbp1b2";
end if;
-- Raspberry Pi Zero W
Index_Search := Index (To_String (Line_String), "Raspberry Pi Zero W");
if (Index_Search > 0) then
return "rbpzw1.1";
end if;
-- Asus Tinker Board
Index_Search := Index (To_String (Line_String), "ASUS Tinker Board");
if (Index_Search > 0) then
return "asustbs";
end if;
end loop;
Close (F_Name);
return "";
exception
when others =>
Put_Line ("Wrong platform or error reading file: " & File_Name);
OS_Exit (0);
end;
function Get_Platform_Name return String is
F_Name : File_Type; -- File handle
File_Name : constant String := "/proc/cpuinfo"; -- File to read
Index_Search : Integer; -- Index of platform name in the searched string
Line_String : Unbounded_String; -- Variable to store each line of the read file
AMD_vendor : Unbounded_String; -- AMD vendor name
begin
Open (F_Name, In_File, File_Name);
-- Loop through file to check if it's one of the supported ones and get its name
while not End_Of_File (F_Name) loop
Line_String := To_Unbounded_String (Get_Line (F_Name));
Index_Search := Index (To_String (Line_String), "GenuineIntel");
if (Index_Search > 0) then
return "intel";
end if;
Index_Search := Index (To_String (Line_String), "AuthenticAMD");
if (Index_Search > 0) then
AMD_vendor := To_Unbounded_String ("amd");
end if;
end loop;
Close (F_Name);
if (AMD_vendor = "amd") then
Open (F_Name, In_File, File_Name);
while not End_Of_File (F_Name) loop
Line_String := To_Unbounded_String (Get_Line (F_Name));
Index_Search := Index (To_String (Line_String), "Ryzen");
if (Index_Search > 0) then
return "amd";
end if;
Index_Search := Index (To_String (Line_String), "EPYC");
if (Index_Search > 0) then
return "amd";
end if;
end loop;
Close (F_Name);
end if;
return Get_Platform_Name_Raspberry;
exception
when others =>
-- Put_Line ("Error reading file: " & File_Name);
-- Put_Line (Get_OS_Name);
-- OS_Exit (0);
return "";
end;
function Get_OS_Name return String is
begin
if (Ada.Environment_Variables.Exists ("OS")) then
return Ada.Environment_Variables.Value ("OS");
else
return "";
end if;
end;
end OS_Utils;
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