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331 | ------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- I N T E R F A C E S . A R M _ V 7 A R --
-- --
-- B o d y --
-- --
-- Copyright (C) 2016-2020, AdaCore --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
with System.Machine_Code; use System.Machine_Code;
-- @design to generate assembly code.
package body Interfaces.ARM_V7AR is
use System;
package body CP15 is
---------------
-- Get_CLIDR --
---------------
function Get_CLIDR return Unsigned_32
is
Res : Unsigned_32;
begin
Asm ("mrc p15,#1,%0,c0,c0,#1",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_CLIDR;
----------------
-- Get_CCSIDR --
----------------
function Get_CCSIDR return Unsigned_32 is
Res : Unsigned_32;
begin
Asm ("mrc p15,#1,%0,c0,c0,#0",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_CCSIDR;
----------------
-- Set_CSSELR --
----------------
procedure Set_CSSELR (V : Unsigned_32) is
begin
Asm ("mcr p15,#2,%0,c0,c0,#0",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_CSSELR;
---------------
-- Get_SCTLR --
---------------
function Get_SCTLR return Unsigned_32 is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c1,c0,#0",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_SCTLR;
---------------
-- Set_SCTLR --
---------------
procedure Set_SCTLR (V : Unsigned_32) is
begin
Asm ("mcr p15,#0,%0,c1,c0,#0",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_SCTLR;
---------------
-- Get_ACTLR --
---------------
function Get_ACTLR return Unsigned_32 is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c1,c0,#1",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_ACTLR;
---------------
-- Set_ACTLR --
---------------
procedure Set_ACTLR (V : Unsigned_32) is
begin
Asm ("mcr p15,#0,%0,c1,c0,#1",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_ACTLR;
---------------
-- Get_MPUIR --
---------------
function Get_MPUIR return Unsigned_32
is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c0,c0,#4",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_MPUIR;
---------------------------------
-- Get_MPU_Region_Base_Address --
---------------------------------
function Get_MPU_Region_Base_Address return Unsigned_32
is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c6,c1,#0",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_MPU_Region_Base_Address;
---------------------------------
-- Set_MPU_Region_Base_Address --
---------------------------------
procedure Set_MPU_Region_Base_Address (V : Unsigned_32)
is
begin
Asm ("mcr p15,#0,%0,c6,c1,#0",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_MPU_Region_Base_Address;
------------------------------------
-- Get_MPU_Region_Size_And_Enable --
------------------------------------
function Get_MPU_Region_Size_And_Enable return Unsigned_32
is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c6,c1,#2",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_MPU_Region_Size_And_Enable;
------------------------------------
-- Set_MPU_Region_Size_And_Enable --
------------------------------------
procedure Set_MPU_Region_Size_And_Enable (V : Unsigned_32)
is
begin
Asm ("mcr p15,#0,%0,c6,c1,#2",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_MPU_Region_Size_And_Enable;
-----------------------------------
-- Get_MPU_Region_Access_Control --
-----------------------------------
function Get_MPU_Region_Access_Control return Unsigned_32
is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c6,c1,#4",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_MPU_Region_Access_Control;
-----------------------------------
-- Set_MPU_Region_Access_Control --
-----------------------------------
procedure Set_MPU_Region_Access_Control (V : Unsigned_32)
is
begin
Asm ("mcr p15,#0,%0,c6,c1,#4",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_MPU_Region_Access_Control;
---------------------------
-- Set_MPU_Region_Number --
---------------------------
procedure Set_MPU_Region_Number (V : Unsigned_32)
is
begin
Asm ("mcr p15,#0,%0,c6,c2,#0",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_MPU_Region_Number;
-------------
-- DCIMVAC --
-------------
procedure DCIMVAC (Mva : Address) is
begin
Asm ("mcr p15,#0,%0,c7,c6,#1",
Inputs => Address'Asm_Input ("r", Mva),
Volatile => True);
end DCIMVAC;
--------------
-- DCCIMVAC --
--------------
procedure DCCIMVAC (Mva : Address) is
begin
Asm ("mcr p15,#0,%0,c7,c14,#1",
Inputs => Address'Asm_Input ("r", Mva),
Volatile => True);
end DCCIMVAC;
--------------
-- Get_PMCR --
--------------
function Get_PMCR return Unsigned_32
is
Res : Unsigned_32;
begin
Asm ("mrc p15,#0,%0,c9,c12,#0",
Outputs => Unsigned_32'Asm_Output ("=r", Res),
Volatile => True);
return Res;
end Get_PMCR;
--------------
-- Set_PMCR --
--------------
procedure Set_PMCR (V : Unsigned_32)
is
begin
Asm ("mcr p15,#0,%0,c9,c12,#0",
Inputs => Unsigned_32'Asm_Input ("r", V),
Volatile => True);
end Set_PMCR;
end CP15;
package body Barriers is
---------
-- DSB --
---------
procedure DSB is
begin
Asm ("dsb", Volatile => True);
end DSB;
---------
-- DMB --
---------
procedure DMB is
begin
Asm ("dmb", Volatile => True);
end DMB;
---------
-- ISB --
---------
procedure ISB is
begin
Asm ("isb", Volatile => True);
end ISB;
end Barriers;
package body Cache is
-----------------------
-- Invalidate_DCache --
-----------------------
procedure Invalidate_DCache
is
begin
Asm ("mcr p15,#0,%0,c15,c5,#0",
Inputs => Unsigned_32'Asm_Input ("r", 0),
Volatile => True);
end Invalidate_DCache;
procedure Invalidate_ICache
is
begin
Asm ("mcr p15,#0,%0,c7,c5,#0",
Inputs => Unsigned_32'Asm_Input ("r", 0),
Volatile => True);
end Invalidate_ICache;
end Cache;
end Interfaces.ARM_V7AR;
|