File : g-intpri.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- G N A T . I N T E R R U P T S _ P R I O R I T I E S --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 2013, AdaCore --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- This package is specific to the ravenscar-minimal runtime for
33 -- PowerPC 8321/8349.
34
35 with System;
36 with Ada.Interrupts;
37
38 with System.BB.Board_Support;
39 pragma Unreferenced (System.BB.Board_Support);
40 -- Ensure that BB.Board_Support is elaborated before this package
41
42 package GNAT.Interrupt_Priorities is
43
44 procedure Define_Interrupt_Priority
45 (Interrupt : Ada.Interrupts.Interrupt_ID;
46 Priority : System.Interrupt_Priority;
47 Mask_Bit : Natural);
48 -- Define the priority and the mask for Interrupt.
49 --
50 -- Mask_Bit is the bit number in the SIMSR_H/SIMSR_L/SEMSR registers.
51 -- Bit numbers 0 to 31 means bit 0 (MSB) to 31 (LSB) of SIMSR_H,
52 -- bit numbers 32 to 63 means bit 0 (MSB) to 31 (LSB) of SIMSR_L,
53 -- and bit numbers 64 to 95 means bit 0 (MSB) to 31 (LSB) of SEMSR.
54
55 private
56 pragma Import (Ada, Define_Interrupt_Priority,
57 "__gnat_define_interrupt_priority");
58 end GNAT.Interrupt_Priorities;