213 lines
10 KiB
Makefile
213 lines
10 KiB
Makefile
# SPDX-License-Identifier: AGPL-3.0-or-later
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# Copyright (C) 2026 David (Corey) Herrera
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# Foundry Blackhole backend — Phase 6's VECTOR op family: the ELTWISE binary (SiLU,
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# sigmoid, add, mul, sub, SiLU-gated multiply) and the REDUCE binary (softmax, RMS norm,
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# layer norm, router normalise).
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#
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# TWO BINARIES, TWO BUILD TREES, AND THE FENCE BETWEEN THEM IS THE POINT.
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#
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# make -f Makefile.vector all -> build-vector/test_vector_ops
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# The OFF-HARDWARE gate. Built WITHOUT -DFT_TT_PHASE1B_NOC_ENABLED, so every device
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# call in the objects it links would return FT_TT_EPERM before touching the NoC. That
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# is not a formality: it means this binary cannot reach the card even if it is wrong,
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# which is what makes it safe to run while somebody else owns the silicon.
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#
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# make -f Makefile.vector PHASE1B=1 card -> build-vector-card/test_phase6_vector
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# The ON-CARD acceptance. PHASE1B=1 is mandatory and deliberate (spec §7.3 — a wrong
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# NoC coordinate hangs the chip and costs a physical power cycle).
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#
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# The two trees are separate because the flag changes what the backend objects DO. Sharing
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# a tree would mean a stale object from the other configuration linking silently, which is
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# not a build error — it is a wrong answer (dev notes §5, and best-practices §9).
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#
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# Run the off-hardware gate from this directory, so FT_TT_KERNEL_DIR's default resolves:
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# ./build-vector/test_vector_ops
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#
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# Run the on-card acceptance (detached, and never with these cores in use by another
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# worker) -- AFTER `make -f Makefile.vector check-programs`, which is not optional:
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# make -f Makefile.vector check-programs
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# FT_TT_FIRMWARE_DIR=../programs/eltwise FT_TT_TENSIX_INDEX=101 \
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# ./build-vector-card/test_phase6_vector ../programs/eltwise ../programs/reduce
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#
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# A GREEN FROM A STALE PROGRAM DIRECTORY IS THE FAILURE MODE THIS SUITE HAS ACTUALLY HAD.
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# All seven directories under programs/ once carried `.src` sidecars naming `.cpp` files
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# deleted weeks earlier, so this file's greens -- and the four mutation numbers quoted in
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# test_phase6_vector.c's own comment -- were produced by images nobody could rebuild.
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# `check-programs` reads the sidecars nothing used to read; see
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# ../tools/check_tensix_program_sources.sh.
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#
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# The two program directories are RELOCATE_KERNEL_TEXT=1 builds. Pass the kernel sources by
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# ABSOLUTE path: the generated chlkc_*.cpp `#include`s the path it was given, and it is
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# resolved relative to the OUTPUT directory, not the working one.
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#
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# RELOCATE_KERNEL_TEXT=1 READER_CTARGS=0,1,2048,1,2048 COMPUTE_CTARGS=0,1,2,16,1 \
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# WRITER_CTARGS=16,2048,1 CB_TABLE=$PWD/kernels/cb_tables/eltwise_float16b.cbtable \
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# build_tensix_program.sh $PWD/kernels/resident_eltwise_reader.c \
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# $PWD/kernels/resident_eltwise_compute.c $PWD/kernels/resident_vector_writer.c \
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# programs/eltwise
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#
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# RELOCATE_KERNEL_TEXT=1 READER_CTARGS=0,1,5,6,7,2048,1 \
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# COMPUTE_CTARGS=0,1,2,3,4,5,6,7,8,9,16,1 WRITER_CTARGS=16,2048,1 \
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# CB_TABLE=$PWD/kernels/cb_tables/reduce_float16b.cbtable \
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# build_tensix_program.sh $PWD/kernels/resident_reduce_reader.c \
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# $PWD/kernels/resident_reduce_compute.c $PWD/kernels/resident_vector_writer.c \
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# programs/reduce
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#
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# THE ACTIVATION STRIP BRIDGE is two MORE programs off the SAME three eltwise sources, and
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# their recipes live here because a recipe that lives only in a `.prov` record is a recipe
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# nobody reads — reduce_fp32's was written down nowhere in tree for a whole round. The reader
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# and the writer are built at DIFFERENT tile sizes ON PURPOSE: that difference IS the render.
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# Each still matches its own circular buffer, and nothing checks either for you.
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#
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# RELOCATE_KERNEL_TEXT=1 READER_CTARGS=0,1,2048,1,2048 COMPUTE_CTARGS=0,1,2,16,1 \
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# WRITER_CTARGS=16,4096,1 CB_TABLE=$PWD/kernels/cb_tables/render_widen.cbtable \
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# build_tensix_program.sh $PWD/kernels/resident_eltwise_reader.c \
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# $PWD/kernels/resident_eltwise_compute.c $PWD/kernels/resident_vector_writer.c \
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# programs/render_widen
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#
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# RELOCATE_KERNEL_TEXT=1 READER_CTARGS=0,1,4096,1,4096 COMPUTE_CTARGS=0,1,2,16,1 \
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# WRITER_CTARGS=16,2048,1 CB_TABLE=$PWD/kernels/cb_tables/render_narrow.cbtable \
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# build_tensix_program.sh $PWD/kernels/resident_eltwise_reader.c \
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# $PWD/kernels/resident_eltwise_compute.c $PWD/kernels/resident_vector_writer.c \
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# programs/render_narrow
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#
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# THE GATE THAT DELETES THE NARROW HALF is a FIFTH program off the same three sources, and it
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# is the first one whose two INPUT streams are different sizes: 2048 B for A, 4096 B for B
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# (READER_CTARGS arg 4, added 2026-08-25). Under `gate_narrow.cbtable` the fp32 B operand gets
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# `unpack_src Float32 / unpack_dst Float16_b / tile_size 4096` — the SAME descriptor triple
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# `render_narrow` gives its own fp32 input, so the truncating fp32->bf16 unpack happens on the
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# gate's own multiply instead of one descriptor and one DRAM round trip earlier.
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#
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# RELOCATE_KERNEL_TEXT=1 READER_CTARGS=0,1,2048,1,4096 COMPUTE_CTARGS=0,1,2,16,1 \
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# WRITER_CTARGS=16,2048,1 CB_TABLE=$PWD/kernels/cb_tables/gate_narrow.cbtable \
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# build_tensix_program.sh $PWD/kernels/resident_eltwise_reader.c \
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# $PWD/kernels/resident_eltwise_compute.c $PWD/kernels/resident_vector_writer.c \
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# programs/gate_narrow
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#
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# ALL FIVE SHARE A WRITER SOURCE, so a change to resident_vector_writer.c obliges every one of
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# them — which is why the eltwise stage is still in the on-card suite: it is the check
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# that the shared writer still serves the family it was written for. All five also share the
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# READER source, so arg 4 obliges all five: the four pre-existing recipes pass their own A
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# size and rebuild BYTE-IDENTICAL, which is the control that says the new argument is inert
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# when it is not used.
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#
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# Both must be built against ONE firmware build: a kernel is linked against its own
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# firmware's exported symbols, so mixing directories is a wedged core, not a configuration.
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CC ?= cc
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SRC_DIR := ..
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# The on-card harness opens the card through the product transport seam.
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include hardware_session_sources.mk
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CONVERT := ../convert
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BUILD := build-vector
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CARD_BUILD := build-vector-card
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WARNINGS := -Wall -Wextra -Werror -pedantic \
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-Wshadow -Wconversion -Wstrict-prototypes -Wformat=2 \
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-fstack-protector-strong
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CFLAGS := -std=c99 -O1 -g $(WARNINGS) -I$(SRC_DIR)
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LDLIBS := -lm
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# `card` and `all` are separate invocations on purpose: the PHASE1B flag changes what the
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# backend objects DO, so one command line cannot honestly produce both.
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ifneq ($(filter card probe,$(MAKECMDGOALS)),)
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ifneq ($(filter all,$(MAKECMDGOALS)),)
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$(error build `all` and `card` in separate invocations — they are different configurations)
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endif
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ifndef PHASE1B
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$(error the on-card acceptance drives the card: build with PHASE1B=1, or every device call \
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is refused before it reaches the NoC)
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endif
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CFLAGS += -DFT_TT_PHASE1B_NOC_ENABLED
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endif
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# Header dependency tracking. Without it, editing a HEADER rebuilds nothing and the link
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# silently mixes objects compiled against two different struct layouts — not a build error,
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# a wrong offset (a downstream client hit exactly this; so did ft_tt_grid_info here on 2026-08-12).
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DEPFLAGS := -MMD -MP
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BACKEND := $(SRC_DIR)/ft_tt_kmd.c \
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$(SRC_DIR)/ft_tt_arch.c \
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$(SRC_DIR)/ft_tt_arch_blackhole.c \
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$(SRC_DIR)/ft_tt_device.c \
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$(SRC_DIR)/ft_tt_tlb.c \
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$(SRC_DIR)/ft_tt_arc_telemetry.c \
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$(SRC_DIR)/ft_tt_coord.c \
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$(SRC_DIR)/ft_tt_noc.c \
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$(SRC_DIR)/ft_tt_buffer.c \
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$(SRC_DIR)/ft_tt_elf.c \
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$(SRC_DIR)/ft_tt_kernel_blob.c \
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$(SRC_DIR)/ft_tt_udrv_claim.c \
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$(SRC_DIR)/ft_tt_tensix_claim.c \
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$(SRC_DIR)/ft_tt_launch.c \
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$(SRC_DIR)/ft_tt_tilize.c \
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$(SRC_DIR)/ft_tt_op_dispatch.c \
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$(SRC_DIR)/ft_tt_op_matmul.c \
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$(SRC_DIR)/ft_tt_op_vector.c \
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$(SRC_DIR)/ft_tt_queue.c \
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$(SRC_DIR)/ft_tt_group.c \
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$(SRC_DIR)/ft_tt_watchdog.c
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# ft_float_convert is READ, not modified: the reference needs the same bf16 rounding the
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# card will apply, and compiling it in rather than reimplementing it is what keeps the
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# reference honest about rounding while staying independent about the OP.
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CONVERT_SRC := $(CONVERT)/ft_float_convert.c
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SUPPORT := ft_tt_test_report.c ft_tt_vector_reference.c
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CARD_SUPPORT := $(HARDWARE_SESSION_SOURCES) ft_tt_program_directory.c
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TARGET := $(BUILD)/test_vector_ops
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CARD_TARGET := $(CARD_BUILD)/test_phase6_vector
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# The multi-tile MAX probe. Same configuration as `card` (it drives the card), its own
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# target because it is a QUESTION and not an acceptance: it answers whether a row MAX wider
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# than one tile may be expressed as repeated reduce_tile calls, and it is not part of the
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# suite `card` runs.
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PROBE_TARGET := $(CARD_BUILD)/test_reduce_max_multitile
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.PHONY: all card probe red clean check-programs
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all: $(TARGET)
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card: $(CARD_TARGET)
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probe: $(PROBE_TARGET)
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$(BUILD) $(CARD_BUILD):
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mkdir -p $@
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# Whole-program links, not incremental objects. `red` deletes the tree first, because
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# Apple's GNU make 3.81 compares mtimes at one-second granularity and will silently skip a
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# rebuild of a source edited in the same second as its object — which has already produced
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# three "runs" of the same stale binary here (best-practices §9, dev notes §3).
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$(TARGET): test_vector_ops.c $(BACKEND) $(CONVERT_SRC) $(SUPPORT) | $(BUILD)
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$(CC) $(CFLAGS) $(DEPFLAGS) -o $@ $< $(BACKEND) $(CONVERT_SRC) $(SUPPORT) $(LDLIBS)
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$(CARD_TARGET): test_phase6_vector.c $(BACKEND) $(CONVERT_SRC) $(SUPPORT) $(CARD_SUPPORT) \
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| $(CARD_BUILD)
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$(CC) $(CFLAGS) $(DEPFLAGS) -o $@ $< $(BACKEND) $(CONVERT_SRC) $(SUPPORT) $(CARD_SUPPORT) \
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$(LDLIBS)
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$(PROBE_TARGET): test_reduce_max_multitile.c $(BACKEND) $(CONVERT_SRC) ft_tt_test_report.c \
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$(CARD_SUPPORT) | $(CARD_BUILD)
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$(CC) $(CFLAGS) $(DEPFLAGS) -o $@ $< $(BACKEND) $(CONVERT_SRC) ft_tt_test_report.c \
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$(CARD_SUPPORT) $(LDLIBS)
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red: clean all
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clean:
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rm -rf $(BUILD) $(CARD_BUILD)
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-include $(wildcard $(BUILD)/*.d) $(wildcard $(CARD_BUILD)/*.d)
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# ---------------------------------------------------------------------------
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# Refuse a program directory built from sources that have since moved. Reads the `.src`
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# sidecars every program build already writes and nothing used to read.
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# ---------------------------------------------------------------------------
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PROGRAM_DIRS ?= ../programs/eltwise ../programs/reduce
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check-programs:
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@bash ../tools/check_tensix_program_sources.sh $(PROGRAM_DIRS)
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