Claude
d7b2f6bf54
sk_v4_genesis never wiped its seed or its read-back; sk_v4_drive_arrived
never wiped the proxy's seed after her login; sk_v4_real_zuse_arrived wiped
the seed only on a match. (The logged-in Zuse's own key stays in g_zuse_seed,
by design.)
Option 1: the three use one buffer the identity module owns, g_seeds (seed,
then its read-back), and sk_v4_drive_arrived -- which every drive goes through,
and which alone calls the other two -- runs the drive's handling (now
handle_drive()) and then wipes it, whichever way it went.
sk_v4_identity_seeds() lets the host tests read it.
kernel/tests/test_sk_v4_identity.c, 10 checks, through the real drive-arrival
path: a fake xHCI controller marks a slot attach-pending, the identity code's
idle beat handles it, the real gpt.c reads the stick's table from the RAM disk;
the block layer, signatures, key mint, marker and console faked. Genesis; a
genesis not read back; the proxy logging in; a real Zuse named, then her stick
logging in. Against the code before the wipe: 5 failures (every case's seeds
left). Now: 0. The harness gains fake_disk_bind. Built for amd64, aarch64,
riscv64. #176 done with 2bac2ac8 (the mint).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017RzZgrf7V7Zk2iczBXDRbm
62 lines
3.0 KiB
Makefile
62 lines
3.0 KiB
Makefile
# SPDX-License-Identifier: LicenseRef-Starship-1.0
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# Copyright (c) 2023-2026 Robert A. James
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#
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# The kernel host tests (docs/v4.0.0/plans/2026-11-12-kernel-host-tests.md): each test_<unit>.c
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# built on the host with the kernel source file(s) it tests and the fakes, nothing else of the
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# kernel, and run.
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#
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# make -C kernel/tests test build and run them all; fails if any check fails
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# make -C kernel/tests run-test_gpt
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#
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# A test's sources are SRC_<test>; give another on the command line to run the same test against
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# it (how a test is seen to fail against the code before a fix):
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# make -C kernel/tests run-test_gpt SRC_test_gpt=/path/to/old/gpt.c
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HERE := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
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ROOT := $(abspath $(HERE)/../..)
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BUILD := $(ROOT)/build/kernel-tests
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CC ?= cc
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CFLAGS := -std=c99 -Wall -Wextra -Werror -O2 -g -I$(HERE) -I$(ROOT)/kernel/include \
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-I$(ROOT)/kernel/include/starkernel -I$(ROOT)/v3/include
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TESTS := test_gpt test_usb_config test_sk_v4_stop test_sk_v4_slots test_sk_v4_mint test_sk_v4_identity
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SRC_test_sk_v4_identity := $(ROOT)/kernel/src/v4/sk_v4_identity.c $(ROOT)/kernel/src/v4/sk_v4_slots.c $(ROOT)/kernel/src/gpt.c
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EXTRA_test_sk_v4_identity := -D__STARKERNEL__ -I$(ROOT)/v4/include -DSTICK_GROW_MIN_BYTES=8000000000ULL -DSTICK_ARTEMIS_CAP_GIB=256ULL
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SRC_test_sk_v4_mint := $(ROOT)/kernel/src/v4/sk_v4_mint.c $(ROOT)/kernel/src/gpt.c
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EXTRA_test_sk_v4_mint := -D__STARKERNEL__ -I$(ROOT)/v4/include
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SRC_test_sk_v4_slots := $(ROOT)/kernel/src/v4/sk_v4_slots.c
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SRC_test_sk_v4_stop := $(ROOT)/kernel/src/v4/sk_v4_stop.c
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SRC_test_gpt := $(ROOT)/kernel/src/gpt.c
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SRC_test_usb_config := $(ROOT)/kernel/src/usb/usb_config.c
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define TEST_RULE
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$(BUILD)/$(1): $(HERE)/$(1).c $(HERE)/fakes.c $(HERE)/fakes.h $(HERE)/harness.h $$(SRC_$(1))
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@mkdir -p $(BUILD)
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$(CC) $(CFLAGS) $$(EXTRA_$(1)) $(HERE)/$(1).c $(HERE)/fakes.c $$(SRC_$(1)) -o $$@
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.PHONY: run-$(1)
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run-$(1): $(BUILD)/$(1)
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@echo "$(1)"
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@$(BUILD)/$(1)
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endef
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$(foreach t,$(TESTS),$(eval $(call TEST_RULE,$(t))))
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.PHONY: test
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test: $(addprefix run-,$(TESTS))
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@echo "all kernel host tests passed"
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# #182: sk_v4_grow.c's 32-bit block arithmetic holds while Artemis is capped below 4 TiB -- the build
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# itself refuses a cap past that. Seen here: 256 GiB (the real cap) compiles, 4096 GiB must not.
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.PHONY: run-check_cap
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run-check_cap:
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@echo "check_cap"
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@$(CC) $(CFLAGS) -I$(ROOT)/v4/include -DSTICK_ARTEMIS_CAP_GIB=256ULL -c $(ROOT)/kernel/src/v4/sk_v4_grow.c -o /dev/null \
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|| { echo "FAIL #182: sk_v4_grow.c does not build with the real cap, 256 GiB"; exit 1; }
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@if $(CC) $(CFLAGS) -I$(ROOT)/v4/include -DSTICK_ARTEMIS_CAP_GIB=4096ULL -c $(ROOT)/kernel/src/v4/sk_v4_grow.c -o /dev/null 2>/dev/null; then \
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echo "FAIL #182: a 4096 GiB cap builds -- its block numbers do not fit 32 bits, and nothing stops it"; exit 1; fi
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@if $(CC) $(CFLAGS) -I$(ROOT)/v4/include -c $(ROOT)/kernel/src/v4/sk_v4_grow.c -o /dev/null 2>/dev/null; then \
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echo "FAIL #182: no cap defined builds -- the check would be skipped, not failed"; exit 1; fi
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@echo " 3 checks, 0 failures"
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test: run-check_cap
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