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feat(v4.0.0): storage speaks messages -- a device over v3's block chains, common and private

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What is on a storage port (v4/system/storage.c): it takes Block read,
Block write and Block data and answers Block data or Block done.  It
holds a view of a common chain, a private chain, or both; private block k
is number 2^32 - 1 - k.  Behind it is v3's block subsystem, reached
through v4/system/store_v3.c, the one v4 file that includes v3's headers.

v3's block code links here with its two device back ends, its log and
its clock, and nothing else of v3.

v4/tests/test_store.c: 36 checks at 64 bits, 35 at 32, and under the
sanitizers.  docs/v4.0.0/MESH.md 8.3, 8.4.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-06 20:41:07 -04:00
co-authored by Claude Opus 5.5
parent 0e761cb117
commit 4a505a154d
6 changed files with 525 additions and 6 deletions
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v4/Makefile
+39 -6
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@@ -49,6 +49,39 @@ HOST_DATA_RING := 30
HOST_RET_RING := 31
node_size = $(if $(findstring /test_host_,$(1)),-DV4_NODE_WORDS=$(HOST_WORDS) -DV4_DATA_RING=$(HOST_DATA_RING) -DV4_RET_RING=$(HOST_RET_RING))
# STORAGE (docs/v4.0.0/MESH.md section 8). What is on a storage port is
# system/storage.c, held to this model's warnings; behind it is the kernel's
# block subsystem, which is v3's, built as v3 builds it and reached through
# system/store_v3.c. Tests named test_store*.c and test_host_*.c link them.
# V3_BLOCK_SRCS is all of v3 that the block subsystem needs: its two device
# back ends, the log and the clock.
ROOT_DIR := $(abspath $(HERE)/..)
V3_BLOCK_SRCS := $(addprefix $(ROOT_DIR)/v3/src/,block_subsystem.c blkio_ram.c blkio_file.c log.c platform/platform_init.c platform/linux/time.c)
V3_CFLAGS := -std=gnu99 -Wall $(OPT) -I$(ROOT_DIR)/v3/include -I$(ROOT_DIR)/kernel/include
STORE_SRC := $(HERE)/system/storage.c
STORE_V3_SRC := $(HERE)/system/store_v3.c
V3_INC := -isystem $(ROOT_DIR)/v3/include -isystem $(ROOT_DIR)/kernel/include
uses_store = $(or $(findstring /test_store,$(1)),$(findstring /test_host_,$(1)))
store_src = $(if $(call uses_store,$(1)),$(STORE_SRC))
store_inc = $(if $(call uses_store,$(1)),$(V3_INC))
$(BINDIR)/v3blocks.o: $(V3_BLOCK_SRCS) $(wildcard $(ROOT_DIR)/v3/include/*.h) $(HERE)/Makefile
@mkdir -p $(BINDIR)/v3o
cd $(BINDIR)/v3o && $(CC) $(V3_CFLAGS) -c $(V3_BLOCK_SRCS)
$(LD) -r $(BINDIR)/v3o/*.o -o $@
$(BINDIR)/san-v3blocks.o: $(V3_BLOCK_SRCS) $(wildcard $(ROOT_DIR)/v3/include/*.h) $(HERE)/Makefile
@mkdir -p $(BINDIR)/san-v3o
cd $(BINDIR)/san-v3o && $(CC) $(V3_CFLAGS) -O1 -g -fno-omit-frame-pointer -fsanitize=address,undefined -fno-sanitize-recover=all -c $(V3_BLOCK_SRCS)
$(LD) -r $(BINDIR)/san-v3o/*.o -o $@
define STORE_V3_RULE
$(BINDIR)/store_v3-$(1).o: $(STORE_V3_SRC) $$(wildcard $(HERE)/include/v4/*.h) $(HERE)/Makefile
@mkdir -p $(BINDIR)
$$(CC) $(V3_CFLAGS) -I$(HERE)/include -DV4_CELL_BITS=$(1) -c $(STORE_V3_SRC) -o $$@
endef
$(foreach w,32 64,$(eval $(call STORE_V3_RULE,$(w))))
store_objs = $(if $(call uses_store,$(2)),$(BINDIR)/store_v3-$(1).o $(BINDIR)/v3blocks.o)
san_store_objs = $(if $(call uses_store,$(2)),$(BINDIR)/store_v3-$(1).o $(BINDIR)/san-v3blocks.o)
# The capsule sources: definitions as text (include/v4/text.h), which tests
# assemble onto a node. The directory is passed to the tests so that they
# find the files whatever directory make was run from.
@@ -191,16 +224,16 @@ endif
#
# Both binaries depend on this Makefile, so a flag change rebuilds them.
define TEST_RULE
$(BINDIR)/$(1)-$(notdir $(2)): $(2) $$(SRCS) $$(wildcard $(HERE)/include/v4/*.h) $$(wildcard $(HERE)/tests/*.h) $(HERE)/Makefile
$(BINDIR)/$(1)-$(notdir $(2)): $(2) $$(SRCS) $(call store_src,$(2)) $(call store_objs,$(1),$(2)) $$(wildcard $(HERE)/include/v4/*.h) $$(wildcard $(HERE)/tests/*.h) $(HERE)/Makefile
@mkdir -p $(BINDIR)
$$(CC) $$(CFLAGS) -I$(HERE)/include -DV4_CELL_BITS=$(1) $(call node_size,$(2)) $(capsule_dir) \
$(2) $$(SRCS) -o $$@
$$(CC) $$(CFLAGS) -I$(HERE)/include $(call store_inc,$(2)) -DV4_CELL_BITS=$(1) $(call node_size,$(2)) $(capsule_dir) \
$(2) $$(SRCS) $(call store_src,$(2)) $(call store_objs,$(1),$(2)) -o $$@
$(BINDIR)/san-$(1)-$(notdir $(2)): $(2) $$(SRCS) $$(wildcard $(HERE)/include/v4/*.h) $$(wildcard $(HERE)/tests/*.h) $(HERE)/Makefile
$(BINDIR)/san-$(1)-$(notdir $(2)): $(2) $$(SRCS) $(call store_src,$(2)) $(call san_store_objs,$(1),$(2)) $$(wildcard $(HERE)/include/v4/*.h) $$(wildcard $(HERE)/tests/*.h) $(HERE)/Makefile
@mkdir -p $(BINDIR)
$$(CC) $$(CSTD) $$(WARN) -O1 -g -fno-omit-frame-pointer \
-fsanitize=address,undefined -fno-sanitize-recover=all -I$(HERE)/include -DV4_CELL_BITS=$(1) $(call node_size,$(2)) $(capsule_dir) \
$(2) $$(SRCS) -o $$@
-fsanitize=address,undefined -fno-sanitize-recover=all -I$(HERE)/include $(call store_inc,$(2)) -DV4_CELL_BITS=$(1) $(call node_size,$(2)) $(capsule_dir) \
$(2) $$(SRCS) $(call store_src,$(2)) $(call san_store_objs,$(1),$(2)) -o $$@
endef
# One run target per (width, test) and one prerequisite line per width, so