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237 | ------------------------------------------------------------------------------
-- --
-- Matreshka Project --
-- --
-- Localization, Internationalization, Globalization for Ada --
-- --
-- Runtime Library Component --
-- --
------------------------------------------------------------------------------
-- --
-- Copyright © 2013, Vadim Godunko <vgodunko@gmail.com> --
-- All rights reserved. --
-- --
-- Redistribution and use in source and binary forms, with or without --
-- modification, are permitted provided that the following conditions --
-- are met: --
-- --
-- * Redistributions of source code must retain the above copyright --
-- notice, this list of conditions and the following disclaimer. --
-- --
-- * Redistributions in binary form must reproduce the above copyright --
-- notice, this list of conditions and the following disclaimer in the --
-- documentation and/or other materials provided with the distribution. --
-- --
-- * Neither the name of the Vadim Godunko, IE nor the names of its --
-- contributors may be used to endorse or promote products derived from --
-- this software without specific prior written permission. --
-- --
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS --
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT --
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR --
-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT --
-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, --
-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED --
-- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR --
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF --
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING --
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS --
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --
-- --
------------------------------------------------------------------------------
-- $Revision: 4061 $ $Date: 2013-08-31 03:30:58 +0400 (Сб, 31 авг 2013) $
------------------------------------------------------------------------------
with Ada.Characters.Latin_1;
with System.Machine_Code;
package body Matreshka.SIMD.Intel.CPUID is
use Ada.Characters.Latin_1;
LFHT : constant String := LF & HT;
type Features_ECX is record
SSE3 : Boolean;
PCLMULQDQ : Boolean;
DTES64 : Boolean;
MONITOR : Boolean;
DS_CPL : Boolean;
VMX : Boolean;
SMX : Boolean;
EIST : Boolean;
TM2 : Boolean;
SSSE3 : Boolean;
CNXT_ID : Boolean;
Reserved_11 : Boolean;
FMA : Boolean;
CX16 : Boolean;
XTPR : Boolean;
PDCM : Boolean;
Reserved_16 : Boolean;
PCID : Boolean;
DCA : Boolean;
SSE4_1 : Boolean;
SSE4_2 : Boolean;
X2APIC : Boolean;
MOVBE : Boolean;
POPCNT : Boolean;
TSC_DEADLINE : Boolean;
AES : Boolean;
XSAVE : Boolean;
OSXSAVE : Boolean;
AVX : Boolean;
F16C : Boolean;
RDRAND : Boolean;
Not_Used : Boolean;
end record;
pragma Pack (Features_ECX);
for Features_ECX'Size use 32;
type Features_EDX is record
FPU : Boolean;
VME : Boolean;
DE : Boolean;
PSE : Boolean;
TSC : Boolean;
MSR : Boolean;
PAE : Boolean;
MCE : Boolean;
CX8 : Boolean;
APIC : Boolean;
Reserved_10 : Boolean;
SEP : Boolean;
MTRR : Boolean;
PGE : Boolean;
MCA : Boolean;
CMOV : Boolean;
PAT : Boolean;
PSE_36 : Boolean;
PSN : Boolean;
CLFSH : Boolean;
Reserved_20 : Boolean;
DS : Boolean;
ACPI : Boolean;
MMX : Boolean;
FXSR : Boolean;
SSE : Boolean;
SSE2 : Boolean;
SS : Boolean;
HTT : Boolean;
TM : Boolean;
Reserved_30 : Boolean;
PBE : Boolean;
end record;
pragma Pack (Features_EDX);
for Features_EDX'Size use 32;
function To_Features_ECX is
new Ada.Unchecked_Conversion (Interfaces.Unsigned_32, Features_ECX);
function To_Features_EDX is
new Ada.Unchecked_Conversion (Interfaces.Unsigned_32, Features_EDX);
procedure CPUID
(level : Interfaces.Unsigned_32;
eax : out Interfaces.Unsigned_32;
ebx : out Interfaces.Unsigned_32;
ecx : out Interfaces.Unsigned_32;
edx : out Interfaces.Unsigned_32);
-----------
-- CPUID --
-----------
procedure CPUID
(level : Interfaces.Unsigned_32;
eax : out Interfaces.Unsigned_32;
ebx : out Interfaces.Unsigned_32;
ecx : out Interfaces.Unsigned_32;
edx : out Interfaces.Unsigned_32) is
begin
-- This code is copied from GCC's cpuid.h file.
System.Machine_Code.Asm
(Template =>
"xchg{l}" & HT & "{%%}ebx, %1" & LFHT
& "cpuid" & LFHT
& "xchg{l}" & HT & "{%%}ebx, %1" & LFHT,
Outputs =>
(Interfaces.Unsigned_32'Asm_Output ("=a", eax),
Interfaces.Unsigned_32'Asm_Output ("=r", ebx),
Interfaces.Unsigned_32'Asm_Output ("=c", ecx),
Interfaces.Unsigned_32'Asm_Output ("=d", edx)),
Inputs =>
Interfaces.Unsigned_32'Asm_Input ("0", level));
end CPUID;
-------------
-- Has_AVX --
-------------
function Has_AVX return Boolean is
eax : Interfaces.Unsigned_32;
ebx : Interfaces.Unsigned_32;
ecx : Interfaces.Unsigned_32;
edx : Interfaces.Unsigned_32;
begin
CPUID (16#0000_0001#, eax, ebx, ecx, edx);
return To_Features_ECX (ecx).AVX;
end Has_AVX;
----------------
-- Has_POPCNT --
----------------
function Has_POPCNT return Boolean is
eax : Interfaces.Unsigned_32;
ebx : Interfaces.Unsigned_32;
ecx : Interfaces.Unsigned_32;
edx : Interfaces.Unsigned_32;
begin
CPUID (16#0000_0001#, eax, ebx, ecx, edx);
return To_Features_ECX (ecx).POPCNT;
end Has_POPCNT;
--------------
-- Has_SSE2 --
--------------
function Has_SSE2 return Boolean is
eax : Interfaces.Unsigned_32;
ebx : Interfaces.Unsigned_32;
ecx : Interfaces.Unsigned_32;
edx : Interfaces.Unsigned_32;
begin
CPUID (16#0000_0001#, eax, ebx, ecx, edx);
return To_Features_EDX (edx).SSE2;
end Has_SSE2;
-------------------
-- Highest_CPUID --
-------------------
function Highest_CPUID
(Extended : Boolean := False) return Interfaces.Unsigned_32
is
level : Interfaces.Unsigned_32 := 16#0000_0000#;
eax : Interfaces.Unsigned_32;
ebx : Interfaces.Unsigned_32;
ecx : Interfaces.Unsigned_32;
edx : Interfaces.Unsigned_32;
begin
if Extended then
level := 16#8000_0000#;
end if;
CPUID (level, eax, ebx, ecx, edx);
return eax;
end Highest_CPUID;
end Matreshka.SIMD.Intel.CPUID;
|