Claude
8b482bedb8
xhci.c's XHCI_XFER_CONFIG_DESC_FULL case walked the descriptor set inline, in the event loop, where nothing could test it. The walk is now usb_config_parse() (kernel/src/usb/usb_config.c), returning what it found; the case acts on it as before -- the same messages, the same decisions: the first Interface descriptor only, a BOT interface's bulk endpoints (the last of each direction), a boot keyboard's first interrupt IN endpoint, bLength 0 ending the walk, nothing read past len. One difference, in debug output only: the bulk endpoints are logged IN then OUT, not in descriptor order. kernel/tests/test_usb_config.c, 7 checks, pins the walk as moved: a BOT stick as QEMU presents it, a boot keyboard with its HID descriptor, a mouse before a drive (the first interface only), a drive with bulk IN only, bLength 0, an endpoint cut by len, an interface cut before its protocol byte. All pass. Built for amd64, aarch64, riscv64; the boots come with the protocol (a data stick enumerates through this path). The fixes for #170 and #171 follow. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017RzZgrf7V7Zk2iczBXDRbm
41 lines
1.5 KiB
Makefile
41 lines
1.5 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
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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 $$(SRC_$(1))
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@mkdir -p $(BUILD)
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$(CC) $(CFLAGS) $(HERE)/$(1).c $(HERE)/fakes.c $$(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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