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Initial upstream commit 

The history contained unlicensed code so everything got squashed, sorry.

Change-Id: Ie1335ecfcee7f740bb6de2e9887606be30a2deff
Signed-off-by: Nico Huber <nico.huber@secunet.com>
This commit is contained in:
Nico Huber 2016-10-08 22:09:33 +02:00 committed by Nico Huber
commit 5e9b1b50e7
30 changed files with 2060 additions and 0 deletions
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/proof-allconfigs/
/build/
/dest/
/*.gpr
/.config

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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libhw-dir := $(dir $(lastword $(MAKEFILE_LIST)))
DESTDIR ?= dest
name ?= hw
hw-install = Makefile Makefile.proof gnat.adc spark.adc
top := $(CURDIR)
cnf := .config
obj := build
binary := $(obj)/lib$(name).a
$(binary):
space :=
space +=
comma := ,
$(foreach dep,$($(name)-deplibs), \
$(eval -include $($(dep)-dir)/config))
-include $(cnf)
include $(libhw-dir)/Makefile.proof
CC = $(CROSS_COMPILE)gcc
GNATBIND = $(CROSS_COMPILE)gnatbind
ADAFLAGS += -gnatA -gnatec=$(libhw-dir)/gnat.adc
ADAFLAGS += -gnatg -gnatp
ADAFLAGS += -Wuninitialized -Wall -Werror
ADAFLAGS += -pipe -g
ADAFLAGS += -Wstrict-aliasing -Wshadow
ADAFLAGS += -fno-common -fomit-frame-pointer
ADAFLAGS += -ffunction-sections -fdata-sections
# Ada warning options:
#
# a Activate most optional warnings.
# .e Activate every optional warnings.
# e Treat warnings and style checks as errors.
#
# D Suppress warnings on implicit dereferences:
# As SPARK does not accept access types we have to map the
# dynamically chosen register locations to a static SPARK
# variable.
#
# .H Suppress warnings on holes/gaps in records:
# We are modelling hardware here!
#
# H Suppress warnings on hiding:
# It's too annoying, you run out of ideas for identifiers fast.
#
# T Suppress warnings for tracking of deleted conditional code:
# We use static options to select code paths at compile time.
#
# U Suppress warnings on unused entities:
# Would have lots of warnings for unused register definitions,
# `withs` for debugging etc.
#
# .U Deactivate warnings on unordered enumeration types:
# As SPARK doesn't support `pragma Ordered` by now, we don't
# use that, yet.
#
# .W Suppress warnings on unnecessary Warnings Off pragmas:
# Things get really messy when you use different compiler
# versions, otherwise.
# .Y Disable information messages for why package spec needs body:
# Those messages are annoying. But don't forget to enable those,
# if you need the information.
ADAFLAGS += -gnatwa.eeD.HHTU.U.W.Y
# Disable style checks for now
ADAFLAGS += -gnatyN
MAKEFLAGS += -rR
# Make is silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1)
.SILENT:
endif
# must come rather early
.SECONDEXPANSION:
$(binary): $$($(name)-objs)
@printf " AR $(subst $(obj)/,,$@)\n"
ar cr $@ $^
$(foreach dep,$($(name)-deplibs), \
$(eval $(name)-extra-objs += $($(dep)-dir)/lib) \
$(eval $(name)-extra-incs += $($(dep)-dir)/include))
# Converts one or more source file paths to their corresponding build/ paths.
# Only .ads and .adb get converted to .o, other files keep their names.
# $1 file path (list)
src-to-obj = \
$(addprefix $(obj)/,\
$(patsubst $(obj)/%,%, \
$(patsubst %.ads,%.o,\
$(patsubst %.adb,%.o,\
$(2)))))
# Converts one or more source file paths to the corresponding build/ paths
# of their Ada library information (.ali) files.
# $1 file path (list)
src-to-ali = \
$(addprefix $(obj)/,\
$(patsubst $(obj)/%,%, \
$(patsubst %.ads,%.ali,\
$(patsubst %.adb,%.ali,\
$(filter %.ads %.adb,$(2))))))
# Clean -y variables, include Makefile.inc
# Add paths to files in $(name)-y to $(name)-srcs
# Add subdirs-y to subdirs
# $1 dir to read Makefile.inc from
includemakefile = \
$(eval $(name)-y :=) \
$(eval $(name)-gen-y :=) \
$(eval $(name)-proof-y :=) \
$(eval subdirs-y :=) \
$(eval include $(1)/Makefile.inc) \
$(eval $(name)-srcs += \
$(subst $(top)/,, \
$(abspath $(addprefix $(1)/,$($(name)-y))))) \
$(eval $(name)-gens += \
$(subst $(top)/,, \
$(abspath $($(name)-gen-y)))) \
$(eval $(name)-proof += \
$(subst $(top)/,, \
$(abspath $(addprefix $(1)/,$($(name)-proof-y))))) \
$(eval subdirs += \
$(subst $(top)/,, \
$(abspath $(addprefix $(1)/,$(subdirs-y))))) \
# For each path in $(subdirs) call includemakefiles
# Repeat until subdirs is empty
evaluate_subdirs = \
$(eval cursubdirs := $(subdirs)) \
$(eval subdirs :=) \
$(foreach dir,$(cursubdirs), \
$(call includemakefile,$(dir))) \
$(if $(subdirs), \
$(call evaluate_subdirs))
# collect all object files eligible for building
subdirs := .
$(call evaluate_subdirs)
# Eliminate duplicate mentions of source files
$(name)-srcs := $(sort $($(name)-srcs))
$(name)-gens := $(sort $($(name)-gens))
# For Ada includes
$(name)-ada-dirs := $(sort $(dir $(filter %.ads %.adb,$($(name)-srcs) $($(name)-gens))))
# To track dependencies, we need all Ada specification (.ads) files in
# *-srcs. Extract / filter all specification files that have a matching
# body (.adb) file here (specifications without a body are valid sources
# in Ada).
$(name)-extra-specs := \
$(filter \
$(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(name)-srcs))))), \
$(filter %.ads,$($(name)-srcs) $($(name)-gens)))
$(name)-srcs := $(filter-out $($(name)-extra-specs),$($(name)-srcs))
$(name)-gens := $(filter-out $($(name)-extra-specs),$($(name)-gens))
$(name)-objs := $(call src-to-obj,,$($(name)-srcs) $($(name)-gens))
$(name)-alis := $(call src-to-ali,,$($(name)-srcs) $($(name)-gens))
# For gnatprove
$(name)-proof-dirs := \
$(sort $(dir $($(name)-proof)) \
$(filter-out ada/% %/ada/%,$($(name)-ada-dirs)))
# For mkdir
alldirs := $(abspath $(dir $(sort $($(name)-objs))))
# Reads dependencies from an Ada library information (.ali) file
# Only basenames (with suffix) are preserved so we have to look the
# paths up in $($(name)-srcs) $($(name)-gens).
# $1 ali file
create_ada_deps = \
$(if $(wildcard $(1)),\
$(filter \
$(addprefix %/,$(shell sed -ne's/^D \([^\t]\+\).*$$/\1/p' $(1) 2>/dev/null)), \
$($(name)-srcs) $($(name)-gens) $($(name)-extra-specs)), \
$($(name)-gens))
# Adds dependency rules
# $1 source file
add_ada_deps = \
$(call src-to-obj,,$(1)): $(1) \
$(call create_ada_deps,$(call src-to-ali,,$(1)))
# Writes a compilation rule for a source type
# $1 source type (ads, adb)
# $2 source files (including the colon)
# $3 obj path prefix (including the trailing slash)
define add_ada_rule
$(2) $(3)%.o: %.$(1)
@printf " COMPILE $$(subst $(obj)/,,$$@)\n"
$(CC) \
$(ADAFLAGS) $(addprefix -I,$($(name)-ada-dirs) $($(name)-extra-incs)) \
-c -o $$@ $$<
endef
# For sources
$(foreach type,ads adb, \
$(eval $(call add_ada_rule,$(type),$(call src-to-obj,,$(filter %.$(type),$($(name)-srcs))):,$(obj)/)))
$(foreach file,$($(name)-srcs) $($(name)-gens), \
$(eval $(call add_ada_deps,$(file))))
# For generated sources already in $(obj)/
$(foreach type,ads adb, \
$(eval $(call add_ada_rule,$(type),$(call src-to-obj,,$(filter %.$(type),$($(name)-gens))):,)))
# Ali files are generated along with the object file. They need an empty
# recipe for correct updating.
$($(name)-alis): %.ali: %.o ;
# To support complex package initializations, we need to call the
# emitted code explicitly. gnatbind gathers all the calls for us
# and exports them as a procedure $(name)_adainit(). Every stage that
# uses Ada code has to call it!
$(obj)/b__lib$(name).adb: $($(name)-alis)
@printf " BIND $(subst $(obj)/,,$@)\n"
# We have to give gnatbind a simple filename (without leading
# path components) so just cd there.
cd $(dir $@) && \
$(GNATBIND) $(addprefix -aO,$(abspath $($(name)-extra-objs))) \
-a -n -L$(name)_ada -o $(notdir $@) \
$(subst $(dir $@),,$^)
$(eval $(call add_ada_rule,adb,$(obj)/b__lib$(name).o:,))
$(name)-objs += $(obj)/b__lib$(name).o
$(shell mkdir -p $(alldirs))
$(name)-install-srcs = $(sort \
$($(name)-extra-specs) $(filter %.ads,$($(name)-srcs)) \
$(foreach adb,$(filter %.adb,$($(name)-srcs)), \
$(shell grep -q '^U .*\<BN\>' $(call src-to-ali,,$(adb)) 2>/dev/null && echo $(adb))))
$(name)-install-proof = \
$(filter $(addprefix %/,$(notdir $($(name)-install-srcs))),$($(name)-proof)) \
$(filter-out $(addprefix %/,$(notdir $($(name)-proof))),$($(name)-install-srcs))
install: $(binary) $($(name)-alis) $(libgpr)
install -d $(DESTDIR)/lib $(DESTDIR)/include $(DESTDIR)/proof
printf " INSTALL $(subst $(obj)/,,$(binary))\n"
install $(binary) $(DESTDIR)/lib/
$(foreach file,$($(name)-install) $(libgpr), \
printf " INSTALL $(subst $(obj)/,,$(file))\n"; \
install $(file) $(DESTDIR);)
printf " INSTALL $(cnf)\n"
install $(cnf) $(DESTDIR)/config
printf " INSTALL %s\n" $(subst $(obj)/,,$($(name)-alis))
install $($(name)-alis) $(DESTDIR)/lib/
printf " INSTALL %s\n" $(subst $(obj)/,,$($(name)-install-srcs))
install $($(name)-install-srcs) $(DESTDIR)/include/
printf " INSTALL %s\n" $(subst $(obj)/,,$($(name)-install-proof))
install $($(name)-install-proof) $(DESTDIR)/proof/
clean::
rm -rf $(obj) $(name).gpr
distclean: clean
rm -rf dest
.PHONY: install clean distclean

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subdirs-y += ada common proof
subdirs-y += debug

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PROOF_MODE ?= all
jobs ?= 4
$(foreach dep,$($(name)-deplibs), \
$(eval SPARKFLAGS += -aP=$($(dep)-dir)))
SPARKFLAGS += -j$(jobs)
SPARKFLAGS += -k
SPARKFLAGS += -m
SPARKFLAGS += --mode=$(PROOF_MODE)
SPARKFLAGS += --report=fail
SPARKFLAGS += --warnings=error
SPARKFLAGS += --prover=cvc4,z3 --steps=500 --timeout=1 # FIXME: timeout used because steps seems broken
quote-list = $(subst $(space),$(comma),$(patsubst %,"%",$(1)))
$(name)-exclude-srcs = \
$(filter-out \
$(sort $(notdir $($(name)-proof) $($(name)-srcs) $($(name)-gens) $($(name)-extra-specs))), \
$(sort $(notdir \
$(wildcard $(addsuffix *.ad[sb],$($(name)-proof-dirs))))))
# Has to reside in the working directory. gnatprove takes paths relative
# to the directory wher it's placed and reports internal errors if used
# with absolute paths.
gpr := $(name).gpr
gpr-name = $(subst -,_,$(subst .,_,$(basename $(notdir $@))))
# Will be installed for inclusion
libgpr := $(obj)/lib$(name).gpr
.SECONDEXPANSION:
$(gpr):
@printf " GENERATE $(subst $(obj)/,,$@)\n"
printf '$(if $($(name)-deplibs),with "%s";\n)' $($(name)-deplibs) >$@
echo 'library project $(gpr-name) is' >>$@
echo ' for Library_Name use "$(name)";' >>$@
echo ' for Library_Dir use "$(obj)/adalib";' >>$@
echo ' for Source_Dirs use' \
'($(call quote-list,$($(name)-proof-dirs)));' >>$@
echo ' for Object_Dir use "$(obj)";' >>$@
echo ' package Builder is' >>$@
echo ' for Global_Configuration_Pragmas use' \
'"$(abspath $(libhw-dir)/spark.adc)";' >>$@
echo ' end Builder;' >>$@
echo ' for Excluded_Source_Files use' \
'($(call quote-list,$($(name)-exclude-srcs)));' >>$@
echo 'end $(gpr-name);' >>$@
.INTERMEDIATE: $(gpr)
$(libgpr): $$(MAKEFILE_LIST)
@printf " GENERATE $(subst $(obj)/,,$@)\n"
printf '$(if $($(name)-deplibs),with "%s";\n)' $($(name)-deplibs) >$@
echo 'library project lib$(name) is' >>$@
echo ' for Library_Name use "$(name)";' >>$@
echo ' for Library_Dir use "lib";' >>$@
echo ' for Library_ALI_Dir use "lib";' >>$@
echo ' for Source_Dirs use ("proof");' >>$@
echo ' for Object_Dir use external ("obj", "build");' >>$@
echo 'end lib$(name);' >>$@
$(obj)/gnatprove/gnatprove.out: $(gpr) $$($(name)-gens) $(obj)/proofmode
gnatprove -P$< $(SPARKFLAGS) -Xobj=$(abspath $(obj))
proof:
if [ "$(PROOF_MODE)" != "$$(cat $(obj)/proofmode 2>/dev/null)" ]; then \
echo "$(PROOF_MODE)" >$(obj)/proofmode; \
fi
$(MAKE) $(obj)/gnatprove/gnatprove.out
check: export override PROOF_MODE=check
check: proof
flow: export override PROOF_MODE=flow
flow: proof
full: export override PROOF_MODE=all
full: proof
allconfigs = $(wildcard configs/*)
allconfigs-targets = $(addprefix allconfigs-,$(notdir $(allconfigs)))
$(allconfigs-targets): allconfigs-%: configs/%
rm -rf proof-allconfigs/$* $(name)_$*.gpr
mkdir -p proof-allconfigs/$*
echo "$(PROOF_MODE)" >proof-allconfigs/$*/proofmode
$(MAKE) obj=proof-allconfigs/$* cnf=configs/$* gpr=$(name)_$*.gpr jobs=1 proof-allconfigs/$*/gnatprove/gnatprove.out
proof-allconfigs: $(allconfigs-targets)
clean::
rm -rf proof-allconfigs/
.PHONY: proof check flow full $(allconfigs-targets) proof-allconfigs

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hw-$(CONFIG_HWBASE_STATIC_MMIO) += static_mmio/hw-mmio_range.adb
hw-$(CONFIG_HWBASE_DYNAMIC_MMIO) += dynamic_mmio/hw-mmio_range.adb
hw-$(CONFIG_HWBASE_TIMER_CLOCK_GETTIME) += clock_gettime/hw-time-timer.adb

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--
-- Copyright (C) 2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with Interfaces.C;
use type Interfaces.C.long;
package body HW.Time.Timer
with
Refined_State => (Timer_State => null,
Abstract_Time => null)
is
CLOCK_MONOTONIC_RAW : constant := 4;
subtype Clock_ID_T is Interfaces.C.int;
subtype Time_T is Interfaces.C.long;
type Struct_Timespec is record
TV_Sec : aliased Time_T;
TV_NSec : aliased Interfaces.C.long;
end record;
pragma Convention (C_Pass_By_Copy, Struct_Timespec);
function Clock_Gettime
(Clock_ID : Clock_ID_T;
Timespec : access Struct_Timespec)
return Interfaces.C.int;
pragma Import (C, Clock_Gettime, "clock_gettime");
function Raw_Value_Min return T
is
Ignored : Interfaces.C.int;
Timespec : aliased Struct_Timespec;
begin
Ignored := Clock_Gettime (CLOCK_MONOTONIC_RAW, Timespec'Access);
return T (Timespec.TV_Sec * 1_000_000_000 + Timespec.TV_NSec);
end Raw_Value_Min;
function Raw_Value_Max return T
is
begin
return Raw_Value_Min + 1;
end Raw_Value_Max;
function Hz return T
is
begin
return 1_000_000_000; -- clock_gettime(2) is fixed to nanoseconds
end Hz;
end HW.Time.Timer;

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--
-- Copyright (C) 2015-2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with HW.Debug;
with GNAT.Source_Info;
with System.Storage_Elements;
with System.Address_To_Access_Conversions;
package body HW.MMIO_Range
with
Refined_State =>
(State => Range_A, -- the contents accessed
Base_Address => null) -- the address, so actually Range_A too
is
pragma Warnings (Off, "implicit dereference",
Reason => "This is what this package is about.");
Debug_Reads : constant Boolean := False;
Debug_Writes : constant Boolean := False;
type Range_Access is access all Array_T;
package Conv_Range is new System.Address_To_Access_Conversions (Array_T);
Range_A : Range_Access :=
Range_Access (Conv_Range.To_Pointer (System'To_Address (Base_Addr)))
with Volatile;
procedure Read (Value : out Element_T; Index : in Index_T)
is
use type Word32;
begin
Value := Range_A (Index);
pragma Debug (Debug_Reads, Debug.Put
(GNAT.Source_Info.Enclosing_Entity & ": "));
pragma Debug (Debug_Reads, Debug.Put_Word32 (Word32 (Value)));
pragma Debug (Debug_Reads, Debug.Put (" <- "));
pragma Debug (Debug_Reads, Debug.Put_Word32
(Word32 (System.Storage_Elements.To_Integer
(Conv_Range.To_Address (Conv_Range.Object_Pointer (Range_A)))) +
Word32 (Index) * (Element_T'Size / 8)));
pragma Debug (Debug_Reads, Debug.New_Line);
end Read;
procedure Write (Index : in Index_T; Value : in Element_T)
is
use type Word32;
begin
pragma Debug (Debug_Writes, Debug.Put
(GNAT.Source_Info.Enclosing_Entity & ": "));
pragma Debug (Debug_Writes, Debug.Put_Word32 (Word32 (Value)));
pragma Debug (Debug_Writes, Debug.Put (" -> "));
pragma Debug (Debug_Writes, Debug.Put_Word32
(Word32 (System.Storage_Elements.To_Integer
(Conv_Range.To_Address (Conv_Range.Object_Pointer (Range_A)))) +
Word32 (Index) * (Element_T'Size / 8)));
pragma Debug (Debug_Writes, Debug.New_Line);
Range_A (Index) := Value;
end Write;
procedure Set_Base_Address (Base : Word64) is
begin
Range_A := Range_Access
(Conv_Range.To_Pointer (System'To_Address (Base)));
end Set_Base_Address;
end HW.MMIO_Range;

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--
-- Copyright (C) 2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package body HW.MMIO_Range
with
Refined_State =>
(State => MMIO,
Base_Address => null)
is
MMIO : Array_T with Volatile, Address => System'To_Address (Base_Addr);
procedure Read (Value : out Element_T; Index : in Index_T) is
begin
Value := MMIO (Index);
end Read;
procedure Write (Index : in Index_T; Value : in Element_T) is
begin
MMIO (Index) := Value;
end Write;
procedure Set_Base_Address (Base : Word64) is null;
end HW.MMIO_Range;

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hw-y += hw.ads
hw-y += hw-mmio_range.ads
hw-y += hw-mmio_regs.adb
hw-y += hw-mmio_regs.ads
hw-y += hw-port_io.adb
hw-y += hw-port_io.ads
hw-y += hw-sub_regs.ads
hw-y += hw-time.ads
hw-y += hw-time.adb
hw-y += hw-time-timer.ads

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--
-- Copyright (C) 2015-2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with System;
generic
Base_Addr : Word64;
type Element_T is mod <>;
type Index_T is range <>;
type Array_T is array (Index_T) of Element_T;
package HW.MMIO_Range
with
Abstract_State =>
((State with External),
Base_Address),
Initializes => Base_Address
is
procedure Read (Value : out Element_T; Index : in Index_T);
procedure Write (Index : in Index_T; Value : in Element_T);
procedure Set_Base_Address (Base : Word64);
end HW.MMIO_Range;

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--
-- Copyright (C) 2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package body HW.MMIO_Regs
is
generic
type Word_T is mod <>;
procedure Read_G (Value : out Word_T; Idx : Subs_P.Index_T);
procedure Read_G (Value : out Word_T; Idx : Subs_P.Index_T)
is
Off : constant Range_P.Index_T := Range_P.Index_T
((Byte_Offset + Regs (Idx).Byte_Offset) / (Range_P.Element_T'Size / 8));
pragma Warnings
(GNAT, Off, """Mask"" is not modified, could be declared constant",
Reason => "Ada RM forbids making it constant.");
Mask : Word64 := Shift_Left (1, Regs (Idx).MSB + 1 - Regs (Idx).LSB) - 1;
pragma Warnings
(GNAT, On, """Mask"" is not modified, could be declared constant");
Temp : Range_P.Element_T;
begin
Range_P.Read (Temp, Off);
Value := Word_T (Shift_Right (Word64 (Temp), Regs (Idx).LSB) and Mask);
end Read_G;
procedure Read_I is new Read_G (Word8);
procedure Read (Value : out Word8; Idx : Subs_P.Index_T) renames Read_I;
procedure Read_I is new Read_G (Word16);
procedure Read (Value : out Word16; Idx : Subs_P.Index_T) renames Read_I;
procedure Read_I is new Read_G (Word32);
procedure Read (Value : out Word32; Idx : Subs_P.Index_T) renames Read_I;
procedure Read_I is new Read_G (Word64);
procedure Read (Value : out Word64; Idx : Subs_P.Index_T) renames Read_I;
----------------------------------------------------------------------------
generic
type Word_T is mod <>;
procedure Write_G (Idx : Subs_P.Index_T; Value : Word_T);
procedure Write_G (Idx : Subs_P.Index_T; Value : Word_T)
is
Off : constant Range_P.Index_T := Range_P.Index_T
((Byte_Offset + Regs (Idx).Byte_Offset) / (Range_P.Element_T'Size / 8));
pragma Warnings
(GNAT, Off, """Mask"" is not modified, could be declared constant",
Reason => "Ada RM forbids making it constant.");
Mask : Word64 :=
Shift_Left (1, Regs (Idx).MSB + 1) - Shift_Left (1, Regs (Idx).LSB);
pragma Warnings
(GNAT, On, """Mask"" is not modified, could be declared constant");
Temp : Range_P.Element_T;
begin
if Regs (Idx).MSB - Regs (Idx).LSB + 1 = Range_P.Element_T'Size then
Range_P.Write (Off, Range_P.Element_T (Value));
else
-- read/modify/write
Range_P.Read (Temp, Off);
Temp := Range_P.Element_T
((Word64 (Temp) and not Mask) or
(Shift_Left (Word64 (Value), Regs (Idx).LSB)));
Range_P.Write (Off, Temp);
end if;
end Write_G;
procedure Write_I is new Write_G (Word8);
procedure Write (Idx : Subs_P.Index_T; Value : Word8) renames Write_I;
procedure Write_I is new Write_G (Word16);
procedure Write (Idx : Subs_P.Index_T; Value : Word16) renames Write_I;
procedure Write_I is new Write_G (Word32);
procedure Write (Idx : Subs_P.Index_T; Value : Word32) renames Write_I;
procedure Write_I is new Write_G (Word64);
procedure Write (Idx : Subs_P.Index_T; Value : Word64) renames Write_I;
end HW.MMIO_Regs;

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--
-- Copyright (C) 2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with HW.Sub_Regs;
with HW.MMIO_Range;
use type HW.Word64;
generic
with package Range_P is new MMIO_Range (<>);
Byte_Offset_O : Natural := 0;
with package Subs_P is new Sub_Regs (<>);
Regs : Subs_P.Array_T;
package HW.MMIO_Regs
is
Byte_Offset : Natural := Byte_Offset_O;
----------------------------------------------------------------------------
procedure Read (Value : out Word8; Idx : Subs_P.Index_T)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Word8'Size;
procedure Read (Value : out Word16; Idx : Subs_P.Index_T)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Word16'Size;
procedure Read (Value : out Word32; Idx : Subs_P.Index_T)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Word32'Size;
procedure Read (Value : out Word64; Idx : Subs_P.Index_T)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Word64'Size;
----------------------------------------------------------------------------
procedure Write (Idx : Subs_P.Index_T; Value : Word8)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Value'Size and
Word64 (Value) < Word64 (2 ** (Regs (Idx).MSB + 1 - Regs (Idx).LSB));
procedure Write (Idx : Subs_P.Index_T; Value : Word16)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Value'Size and
Word64 (Value) < Word64 (2 ** (Regs (Idx).MSB + 1 - Regs (Idx).LSB));
procedure Write (Idx : Subs_P.Index_T; Value : Word32)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Value'Size and
Word64 (Value) < Word64 (2 ** (Regs (Idx).MSB + 1 - Regs (Idx).LSB));
procedure Write (Idx : Subs_P.Index_T; Value : Word64)
with
Pre => ((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) >= Integer (Range_P.Index_T'First) and
((Byte_Offset + Regs (Idx).Byte_Offset) /
(Range_P.Element_T'Size / 8)) <= Integer (Range_P.Index_T'Last) and
Range_P.Element_T'Size <= Word64'Size and
Regs (Idx).MSB < Range_P.Element_T'Size and
Regs (Idx).MSB >= Regs (Idx).LSB and
Regs (Idx).MSB - Regs (Idx).LSB + 1 <= Value'Size and
Word64 (Value) < Word64 (2 ** (Regs (Idx).MSB + 1 - Regs (Idx).LSB));
end HW.MMIO_Regs;

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--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with System;
with System.Machine_Code;
package body HW.Port_IO
with
Refined_State => (State => null),
SPARK_Mode => Off
is
generic
type Word is private;
procedure Port_In (Value : out Word; Port : Port_Type);
procedure Port_In (Value : out Word; Port : Port_Type) is
begin
System.Machine_Code.Asm
("in %1, %0",
Inputs => (Port_Type'Asm_Input ("Nd", Port)),
Outputs => (Word'Asm_Output ("=a", Value)),
Volatile => True);
end Port_In;
procedure InB_Body is new Port_In (Word => Word8);
procedure InB (Value : out Word8; Port : Port_Type) renames InB_Body;
procedure InW_Body is new Port_In (Word => Word16);
procedure InW (Value : out Word16; Port : Port_Type) renames InW_Body;
procedure InL_Body is new Port_In (Word => Word32);
procedure InL (Value : out Word32; Port : Port_Type) renames InL_Body;
----------------------------------------------------------------------------
generic
type Word is private;
procedure Port_Out (Port : Port_Type; Value : Word);
procedure Port_Out (Port : Port_Type; Value : Word) is
begin
System.Machine_Code.Asm
("out %1, %0",
Inputs => (Port_Type'Asm_Input ("Nd", Port),
Word'Asm_Input ("a", Value)),
Volatile => True);
end Port_Out;
procedure OutB_Body is new Port_Out (Word => Word8);
procedure OutB (Port : Port_Type; Value : Word8) renames OutB_Body;
procedure OutW_Body is new Port_Out (Word => Word16);
procedure OutW (Port : Port_Type; Value : Word16) renames OutW_Body;
procedure OutL_Body is new Port_Out (Word => Word32);
procedure OutL (Port : Port_Type; Value : Word32) renames OutL_Body;
end HW.Port_IO;
-- vim: set ts=8 sts=3 sw=3 et:

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--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package HW.Port_IO
with
Abstract_State => (State with External => (Async_Readers, Async_Writers))
is
type Port_Type is mod 2**16;
procedure InB (Value : out Word8; Port : Port_Type)
with
Global => (In_Out => State),
Depends => ((Value, State) => (Port, State)),
Inline_Always;
procedure InW (Value : out Word16; Port : Port_Type)
with
Global => (In_Out => State),
Depends => ((Value, State) => (Port, State)),
Pre => Port mod 2 = 0,
Inline_Always;
procedure InL (Value : out Word32; Port : Port_Type)
with
Global => (In_Out => State),
Depends => ((Value, State) => (Port, State)),
Pre => Port mod 4 = 0,
Inline_Always;
procedure OutB (Port : Port_Type; Value : Word8)
with
Global => (In_Out => State),
Depends => (State =>+ (Port, Value)),
Inline_Always;
procedure OutW (Port : Port_Type; Value : Word16)
with
Global => (In_Out => State),
Depends => (State =>+ (Port, Value)),
Pre => Port mod 2 = 0,
Inline_Always;
procedure OutL (Port : Port_Type; Value : Word32)
with
Global => (In_Out => State),
Depends => (State =>+ (Port, Value)),
Pre => Port mod 4 = 0,
Inline_Always;
end HW.Port_IO;

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--
-- Copyright (C) 2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
generic
type Index_T is (<>);
package HW.Sub_Regs is
type T is record
Byte_Offset : Natural;
MSB : Natural;
LSB : Natural;
end record;
type Array_T is array (Index_T) of T;
end HW.Sub_Regs;

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--
-- Copyright (C) 2015-2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
private package HW.Time.Timer
with
Abstract_State => ((Timer_State with Part_Of => HW.Time.State),
(Abstract_Time with
Part_Of => HW.Time.State,
External => Async_Writers)),
Initializes => (Timer_State)
is
-- Returns the highest point in time that has definitely passed.
function Raw_Value_Min return T
with
Volatile_Function,
Global => (Input => Abstract_Time),
Depends => (Raw_Value_Min'Result => Abstract_Time);
-- Returns the highest point in time that might have been reached yet.
function Raw_Value_Max return T
with
Volatile_Function,
Global => (Input => Abstract_Time),
Depends => (Raw_Value_Max'Result => Abstract_Time);
function Hz return T
with
Global => (Input => Timer_State);
end HW.Time.Timer;

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--
-- Copyright (C) 2015-2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with HW;
with HW.Time.Timer;
use type HW.Word64;
package body HW.Time
with Refined_State => (State => (Timer.Timer_State, Timer.Abstract_Time))
is
function Now return T
with
Refined_Global => (Input => Timer.Abstract_Time)
is
Current : constant T := Timer.Raw_Value_Min;
begin
return Current;
end Now;
function US_From_Now (US : Natural) return T
with
Refined_Global => (Input => (Timer.Abstract_Time, Timer.Timer_State))
is
Current : constant T := Timer.Raw_Value_Max;
begin
return Current + (T (US) * Timer.Hz + 999_999) / 1_000_000;
end US_From_Now;
function MS_From_Now (MS : Natural) return T
with
Refined_Global => (Input => (Timer.Abstract_Time, Timer.Timer_State))
is
Current : constant T := Timer.Raw_Value_Max;
begin
return Current + (T (MS) * Timer.Hz + 999) / 1_000;
end MS_From_Now;
function Now_US return Int64
with
Refined_Global => (Input => (Timer.Abstract_Time, Timer.Timer_State))
is
MHz : constant T := Timer.Hz / 1_000_000;
Current : constant T := Timer.Raw_Value_Min;
begin
return Int64 ((Current and (2 ** 63 - 1)) / (if MHz = 0 then 1 else MHz));
end Now_US;
----------------------------------------------------------------------------
procedure Delay_Until (Deadline : T)
with
Refined_Global => (Input => (Timer.Abstract_Time))
is
Current: T;
begin
loop
Current := Timer.Raw_Value_Min;
exit when Current >= Deadline;
end loop;
end Delay_Until;
procedure U_Delay (US : Natural)
with
Refined_Global => (Input => (Timer.Abstract_Time, Timer.Timer_State))
is
Deadline : constant T := US_From_Now (US);
begin
Delay_Until (Deadline);
end U_Delay;
procedure M_Delay (MS : Natural)
with
Refined_Global => (Input => (Timer.Abstract_Time, Timer.Timer_State))
is
Deadline : constant T := MS_From_Now (MS);
begin
Delay_Until (Deadline);
end M_Delay;
----------------------------------------------------------------------------
function Timed_Out (Deadline : T) return Boolean
with
Refined_Global => (Input => (Timer.Abstract_Time))
is
Current : constant T := Timer.Raw_Value_Min;
begin
return Current >= Deadline;
end Timed_Out;
end HW.Time;
-- vim: set ts=8 sts=3 sw=3 et:

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--
-- Copyright (C) 2015-2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package HW.Time
with Abstract_State => (State with External => Async_Writers)
is
type T is private;
function Now return T
with
Volatile_Function,
Global => (Input => State);
function US_From_Now (US : Natural) return T
with
Volatile_Function,
Global => (Input => State);
function MS_From_Now (MS : Natural) return T
with
Volatile_Function,
Global => (Input => State);
function Now_US return Int64
with
Volatile_Function,
Global => (Input => State);
----------------------------------------------------------------------------
pragma Warnings
(GNATprove, Off, "subprogram ""*Delay*"" has no effect",
Reason => "No effect on dataflow but time always passes.");
-- Delay execution until Deadline has been reached.
procedure Delay_Until (Deadline : T)
with
Global => (Input => State);
procedure U_Delay (US : Natural)
with
Global => (Input => State);
procedure M_Delay (MS : Natural)
with
Global => (Input => State);
pragma Warnings
(GNATprove, On, "subprogram ""*Delay*"" has no effect");
----------------------------------------------------------------------------
function Timed_Out (Deadline : T) return Boolean
with
Volatile_Function,
Global => (Input => State);
private
type T is new Word64;
end HW.Time;
-- vim: set ts=8 sts=3 sw=3 et:

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--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with Interfaces;
package HW is
type Bit is mod 2 ** 1;
subtype Byte is Interfaces.Unsigned_8;
subtype Word8 is Byte;
function Shift_Left (Value : Word8; Amount : Natural) return Word8
renames Interfaces.Shift_Left;
function Shift_Right (Value : Word8; Amount : Natural) return Word8
renames Interfaces.Shift_Right;
subtype Word16 is Interfaces.Unsigned_16;
function Shift_Left (Value : Word16; Amount : Natural) return Word16
renames Interfaces.Shift_Left;
function Shift_Right (Value : Word16; Amount : Natural) return Word16
renames Interfaces.Shift_Right;
subtype Word32 is Interfaces.Unsigned_32;
function Shift_Left (Value : Word32; Amount : Natural) return Word32
renames Interfaces.Shift_Left;
function Shift_Right (Value : Word32; Amount : Natural) return Word32
renames Interfaces.Shift_Right;
subtype Word64 is Interfaces.Unsigned_64;
function Shift_Left (Value : Word64; Amount : Natural) return Word64
renames Interfaces.Shift_Left;
function Shift_Right (Value : Word64; Amount : Natural) return Word64
renames Interfaces.Shift_Right;
subtype Int8 is Interfaces.Integer_8;
subtype Int16 is Interfaces.Integer_16;
subtype Int32 is Interfaces.Integer_32;
subtype Int64 is Interfaces.Integer_64;
subtype Pos8 is Interfaces.Integer_8 range 1 .. Interfaces.Integer_8'Last;
subtype Pos16 is Interfaces.Integer_16 range 1 .. Interfaces.Integer_16'Last;
subtype Pos32 is Interfaces.Integer_32 range 1 .. Interfaces.Integer_32'Last;
subtype Pos64 is Interfaces.Integer_64 range 1 .. Interfaces.Integer_64'Last;
subtype Buffer_Range is Natural range 0 .. Natural'Last - 1;
type Buffer is array (Buffer_Range range <>) of Byte;
end HW;

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CONFIG_HWBASE_DEBUG_NULL = y
CONFIG_HWBASE_DEBUG_TEXT_IO =
CONFIG_HWBASE_STATIC_MMIO = y
CONFIG_HWBASE_DYNAMIC_MMIO =
CONFIG_HWBASE_TIMER_CLOCK_GETTIME = y

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hw-y += hw-debug.ads
hw-y += hw-debug.adb
hw-$(CONFIG_HWBASE_DEBUG_NULL) += null/hw-debug_sink.ads
hw-$(CONFIG_HWBASE_DEBUG_TEXT_IO) += text_io/hw-debug_sink.ads

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--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with HW;
with HW.Time;
with HW.Debug_Sink;
use type HW.Word64;
use type HW.Int64;
package body HW.Debug
with
SPARK_Mode => Off
is
Start_Of_Line : Boolean := True;
Register_Write_Delay_Nanoseconds : Word64 := 0;
type Base_Range is new Positive range 2 .. 16;
type Width_Range is new Natural range 0 .. 64;
procedure Put_By_Base
(Item : Word64;
Min_Width : Width_Range;
Base : Base_Range);
procedure Do_Put_Int64
(Item : Int64);
----------------------------------------------------------------------------
procedure Put_Time
is
Now_US : Int64;
begin
if Start_Of_Line then
Start_Of_Line := False;
Now_US := Time.Now_US;
Debug_Sink.Put_Char ('[');
Do_Put_Int64 ((Now_US / 1_000_000) mod 1_000_000);
Debug_Sink.Put_Char ('.');
Put_By_Base (Word64 (Now_US mod 1_000_000), 6, 10);
Debug_Sink.Put ("] ");
end if;
end Put_Time;
----------------------------------------------------------------------------
procedure Put (Item : String) is
begin
Put_Time;
HW.Debug_Sink.Put (Item);
end Put;
procedure Put_Line (Item : String) is
begin
Put (Item);
New_Line;
end Put_Line;
procedure New_Line is
begin
HW.Debug_Sink.New_Line;
Start_Of_Line := True;
end New_Line;
----------------------------------------------------------------------------
procedure Put_By_Base
(Item : Word64;
Min_Width : Width_Range;
Base : Base_Range)
is
Temp : Word64 := Item;
subtype Chars_Range is Width_Range range 0 .. 63;
Index : Width_Range := 0;
type Chars_Array is array (Chars_Range) of Character;
Chars : Chars_Array := (others => '0');
Digit : Natural;
begin
while Temp > 0 loop
Digit := Natural (Temp rem Word64 (Base));
if Digit < 10 then
Chars (Index) := Character'Val (Character'Pos ('0') + Digit);
else
Chars (Index) := Character'Val (Character'Pos ('a') + Digit - 10);
end if;
Temp := Temp / Word64 (Base);
Index := Index + 1;
end loop;
if Index < Min_Width then
Index := Min_Width;
end if;
for I in reverse Width_Range range 0 .. Index - 1 loop
HW.Debug_Sink.Put_Char (Chars (I));
end loop;
end Put_By_Base;
----------------------------------------------------------------------------
procedure Put_Word
(Item : Word64;
Min_Width : Width_Range;
Print_Ox : Boolean := True) is
begin
Put_Time;
if Print_Ox then
Put ("0x");
end if;
Put_By_Base (Item, Min_Width, 16);
end Put_Word;
procedure Put_Word8 (Item : Word8) is
begin
Put_Word (Word64 (Item), 2);
end Put_Word8;
procedure Put_Word16 (Item : Word16) is
begin
Put_Word (Word64 (Item), 4);
end Put_Word16;
procedure Put_Word32 (Item : Word32) is
begin
Put_Word (Word64 (Item), 8);
end Put_Word32;
procedure Put_Word64 (Item : Word64) is
begin
Put_Word (Item, 16);
end Put_Word64;
----------------------------------------------------------------------------
procedure Do_Put_Int64 (Item : Int64)
is
Temp : Word64;
begin
if Item < 0 then
Debug_Sink.Put_Char ('-');
Temp := Word64 (-Item);
else
Temp := Word64 (Item);
end if;
Put_By_Base (Temp, 1, 10);
end Do_Put_Int64;
procedure Put_Int64 (Item : Int64)
is
begin
Put_Time;
Do_Put_Int64 (Item);
end Put_Int64;
procedure Put_Int8 (Item : Int8) is
begin
Put_Int64 (Int64 (Item));
end Put_Int8;
procedure Put_Int16 (Item : Int16) is
begin
Put_Int64 (Int64 (Item));
end Put_Int16;
procedure Put_Int32 (Item : Int32) is
begin
Put_Int64 (Int64 (Item));
end Put_Int32;
----------------------------------------------------------------------------
procedure Put_Reg8 (Name : String; Item : Word8) is
begin
Put (Name);
Put (": ");
Put_Word8 (Item);
New_Line;
end Put_Reg8;
procedure Put_Reg16 (Name : String; Item : Word16)
is
begin
Put (Name);
Put (": ");
Put_Word16 (Item);
New_Line;
end Put_Reg16;
procedure Put_Reg32 (Name : String; Item : Word32)
is
begin
Put (Name);
Put (": ");
Put_Word32 (Item);
New_Line;
end Put_Reg32;
procedure Put_Reg64 (Name : String; Item : Word64)
is
begin
Put (Name);
Put (": ");
Put_Word64 (Item);
New_Line;
end Put_Reg64;
----------------------------------------------------------------------------
procedure Put_Buffer
(Name : String;
Buf : Buffer;
Len : Buffer_Range)
is
Line_Start, Left : Natural;
begin
if Len = 0 then
if Name'Length > 0 then
Put (Name);
Put_Line ("+0x00:");
end if;
else
Line_Start := 0;
Left := Len - 1;
for I in Natural range 1 .. ((Len + 15) / 16) loop
if Name'Length > 0 then
Put (Name);
Debug_Sink.Put_Char ('+');
Put_Word16 (Word16 (Line_Start));
Put (": ");
end if;
for J in Natural range 0 .. Natural'Min (7, Left)
loop
Put_Word (Word64 (Buf (Line_Start + J)), 2, False);
Debug_Sink.Put_Char (' ');
end loop;
Debug_Sink.Put_Char (' ');
for J in Natural range 8 .. Natural'Min (15, Left)
loop
Put_Word (Word64(Buf (Line_Start + J)), 2, False);
Debug_Sink.Put_Char (' ');
end loop;
New_Line;
Line_Start := Line_Start + 16;
Left := Left - Natural'Min (Left, 16);
end loop;
end if;
end Put_Buffer;
----------------------------------------------------------------------------
procedure Set_Register_Write_Delay (Value : Word64)
is
begin
Register_Write_Delay_Nanoseconds := Value;
end Set_Register_Write_Delay;
----------------------------------------------------------------------------
Procedure Register_Write_Wait
is
begin
if Register_Write_Delay_Nanoseconds > 0 then
Time.U_Delay (Natural ((Register_Write_Delay_Nanoseconds + 999) / 1000));
end if;
end Register_Write_Wait;
end HW.Debug;
-- vim: set ts=8 sts=3 sw=3 et:

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--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package HW.Debug is
procedure Put (Item : String);
procedure Put_Line (Item : String);
procedure New_Line;
procedure Put_Word8 (Item : Word8);
procedure Put_Word16 (Item : Word16);
procedure Put_Word32 (Item : Word32);
procedure Put_Word64 (Item : Word64);
procedure Put_Int8 (Item : Int8);
procedure Put_Int16 (Item : Int16);
procedure Put_Int32 (Item : Int32);
procedure Put_Int64 (Item : Int64);
procedure Put_Reg8 (Name : String; Item : Word8);
procedure Put_Reg16 (Name : String; Item : Word16);
procedure Put_Reg32 (Name : String; Item : Word32);
procedure Put_Reg64 (Name : String; Item : Word64);
procedure Put_Buffer (Name : String; Buf : in Buffer; Len : in Buffer_Range);
procedure Set_Register_Write_Delay (Value : Word64);
Procedure Register_Write_Wait;
end HW.Debug;
-- vim: set ts=8 sts=3 sw=3 et:

22
debug/null/hw-debug_sink.ads Normal file
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--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package HW.Debug_Sink is
procedure Put (Item : String) is null;
procedure Put_Char (Item : Character) is null;
procedure New_Line is null;
end HW.Debug_Sink;

23
debug/text_io/hw-debug_sink.ads Normal file
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@ -0,0 +1,23 @@
--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with Ada.Text_IO;
package HW.Debug_Sink is
procedure Put (Item : String) renames Ada.Text_IO.Put;
procedure Put_Char (Item : Character) renames Ada.Text_IO.Put;
procedure New_Line (Spacing : Ada.Text_IO.Positive_Count := 1)
renames Ada.Text_IO.New_Line;
end HW.Debug_Sink;

25
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@ -0,0 +1,25 @@
pragma Restrictions (No_Allocators);
pragma Restrictions (No_Calendar);
pragma Restrictions (No_Dispatch);
pragma Restrictions (No_Exception_Handlers);
pragma Restrictions (No_Fixed_Point);
pragma Restrictions (No_Floating_Point);
pragma Restrictions (No_Implicit_Dynamic_Code);
pragma Restrictions (No_Implicit_Heap_Allocations);
pragma Restrictions (No_Implicit_Loops);
pragma Restrictions (No_Initialize_Scalars);
pragma Restrictions (No_Local_Allocators);
pragma Restrictions (No_Recursion);
pragma Restrictions (No_Secondary_Stack);
pragma Restrictions (No_Streams);
pragma Restrictions (No_Tasking);
pragma Restrictions (No_Unchecked_Access);
pragma Restrictions (No_Unchecked_Deallocation);
pragma Restrictions (No_Wide_Characters);
pragma Restrictions (Static_Storage_Size);
pragma Assertion_Policy
(Statement_Assertions => Disable,
Pre => Disable,
Post => Disable);
pragma Overflow_Mode (General => Strict, Assertions => Eliminated);
pragma SPARK_Mode (On);

1
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hw-proof-y += hw-mmio_range.adb

44
proof/hw-mmio_range.adb Normal file
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@ -0,0 +1,44 @@
--
-- Copyright (C) 2015 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
package body HW.MMIO_Range
with
Refined_State =>
(State => Range_A,
Base_Address => Address)
is
Range_A : Array_T
with
Volatile,
Async_Readers, Async_Writers, Effective_Reads, Effective_Writes,
Import;
Address : Word64 := Base_Addr;
procedure Read (Value : out Element_T; Index : in Index_T) is
begin
Value := Range_A (Index);
end Read;
procedure Write (Index : in Index_T; Value: in Element_T) is
begin
Range_A (Index) := Value;
end Write;
procedure Set_Base_Address (Base : Word64) is
begin
Address := Base;
end Set_Base_Address;
end HW.MMIO_Range;

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pragma Restrictions (No_Allocators);
pragma Restrictions (No_Calendar);
pragma Restrictions (No_Dispatch);
pragma Restrictions (No_Exception_Handlers);
pragma Restrictions (No_Fixed_Point);
pragma Restrictions (No_Floating_Point);
pragma Restrictions (No_Implicit_Dynamic_Code);
pragma Restrictions (No_Implicit_Heap_Allocations);
pragma Restrictions (No_Implicit_Loops);
pragma Restrictions (No_Initialize_Scalars);
pragma Restrictions (No_Local_Allocators);
pragma Restrictions (No_Recursion);
pragma Restrictions (No_Secondary_Stack);
pragma Restrictions (No_Streams);
pragma Restrictions (No_Tasking);
pragma Restrictions (No_Unchecked_Access);
pragma Restrictions (No_Unchecked_Deallocation);
pragma Restrictions (No_Wide_Characters);
pragma Restrictions (Static_Storage_Size);
pragma Assertion_Policy
(Debug => Disable);
pragma Overflow_Mode (General => Strict, Assertions => Eliminated);
pragma SPARK_Mode (On);