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-- --
-- Copyright (C) 2021, AdaCore --
-- --
-- Redistribution and use in source and binary forms, with or without --
-- modification, are permitted provided that the following conditions are --
-- met: --
-- 1. Redistributions of source code must retain the above copyright --
-- notice, this list of conditions and the following disclaimer. --
-- 2. 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. --
-- 3. Neither the name of the copyright holder 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, --
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-- --
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with System.Machine_Code; use System.Machine_Code;
package body Cortex_M.Hints is
-----------
-- Yield --
-----------
procedure Yield is
begin
Asm ("yield", Volatile => True);
end Yield;
----------------
-- Send_Event --
----------------
procedure Send_Event is
begin
Asm ("sev", Volatile => True);
end Send_Event;
--------------------
-- Wait_For_Event --
--------------------
procedure Wait_For_Event is
begin
Asm ("wfe", Volatile => True);
end Wait_For_Event;
------------------------
-- Wait_For_Interrupt --
------------------------
procedure Wait_For_Interrupt is
begin
Asm ("wfi", Volatile => True);
end Wait_For_Interrupt;
end Cortex_M.Hints;