201 lines
7.0 KiB
Makefile
201 lines
7.0 KiB
Makefile
# fossmark - multi-core CPU benchmark
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#
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# The assembly kernels are architecture-specific:
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# src/fossmark.S AArch64 (ARM64)
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# src/fossmark_x86_64.S x86-64 (AMD64)
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# src/fossmark_ppc32.c PowerPC 32-bit, including big-endian systems
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# and the portable PPC64 kernel implementations
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# The C driver (src/main.c) is portable across architectures and OSes. A
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# "binary that runs everywhere" is not possible - each OS/arch pair uses a
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# different executable format and instruction set - so output is named per
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# platform, e.g. dist/fossmark-linux-arm64, dist/fossmark-linux-amd64.
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#
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# Common targets:
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# make build for the host arch (dist/fossmark-<os>-<arch>)
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# make linux-arm64 build the Linux/ARM64 binary
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# make linux-amd64 build the Linux/AMD64 binary
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# make linux-ppc64be build Linux/PPC64 big-endian for an iMac G5
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# make macos-arm64 build the macOS/ARM64 binary
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# make macos-amd64 build the macOS/AMD64 binary
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# make all build both Linux binaries
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# make bench build for the host and run it
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# make test build and run the kernel correctness tests (host arch)
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# make clean remove dist/
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#
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# Cross-compiling: linux-amd64 on an ARM64 host (or vice versa) needs the
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# matching cross toolchain. The compiler for each target defaults to the host
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# `cc` when the host arch already matches, and to the conventional GNU cross
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# compiler otherwise. Override with CC_ARM64=... / CC_AMD64=... if your
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# toolchain is named differently, e.g.:
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# make linux-amd64 CC_AMD64=x86_64-linux-gnu-gcc-14
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# make linux-arm64 CC_ARM64="clang --target=aarch64-linux-gnu"
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# make linux-ppc64be CC_PPC64BE=powerpc64-linux-gnu-gcc
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#
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# On macOS, Apple Clang can build both architectures. The macOS compiler may
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# be overridden for an osxcross or other cross toolchain:
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# make macos-arm64 CC_MACOS_ARM64=clang
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# make macos-amd64 CC_MACOS_AMD64=clang
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CC ?= cc
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CFLAGS ?= -O2 -Wall -Wextra
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TLS_CFLAGS ?=
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TLS_LDLIBS ?= -lssl -lcrypto
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LDLIBS ?= -lm $(TLS_LDLIBS)
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# The driver spreads each workload across all cores with pthreads.
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PTHREAD := -pthread
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DIST := dist
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DRIVER := src/main.c
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ASM_ARM64 := src/fossmark.S
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ASM_AMD64 := src/fossmark_x86_64.S
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SRC_PPC32 := src/fossmark_ppc32.c
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ASM_PPC32 := src/fossmark_ppc32_ext.S
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SRC_PPC64 := src/fossmark_ppc32.c
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# ---- host detection: normalise `uname -m` to our arch names ----
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HOST_ARCH := $(shell uname -m)
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ifneq (,$(filter aarch64 arm64,$(HOST_ARCH)))
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HOST_ARCHNAME := arm64
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HOST_ASM := $(ASM_ARM64)
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else ifneq (,$(filter x86_64 amd64,$(HOST_ARCH)))
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HOST_ARCHNAME := amd64
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HOST_KERNEL := $(ASM_AMD64)
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else ifneq (,$(filter ppc powerpc ppc32 powerpc32,$(HOST_ARCH)))
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HOST_ARCHNAME := ppc32be
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HOST_KERNEL := $(SRC_PPC32) $(ASM_PPC32)
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else ifneq (,$(filter ppc64 powerpc64,$(HOST_ARCH)))
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HOST_ARCHNAME := ppc64be
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HOST_KERNEL := $(SRC_PPC64)
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else
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HOST_ARCHNAME := $(HOST_ARCH)
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$(error unsupported host architecture '$(HOST_ARCH)')
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endif
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ifeq ($(HOST_ARCHNAME),ppc64be)
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CFLAGS += -mcpu=970 -maltivec
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endif
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ifeq ($(HOST_ARCHNAME),arm64)
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HOST_KERNEL := $(ASM_ARM64)
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endif
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# ---- host OS name for the native binary ----
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UNAME_S := $(shell uname -s)
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ifeq ($(UNAME_S),Linux)
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OSNAME := linux
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else ifeq ($(UNAME_S),Darwin)
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OSNAME := macos
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else ifeq ($(OS),Windows_NT)
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OSNAME := windows
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else
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OSNAME := $(shell uname -s | tr '[:upper:]' '[:lower:]')
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endif
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# ---- per-target compilers: native cc if the host matches, else a cross gcc ----
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ifeq ($(HOST_ARCHNAME),arm64)
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CC_ARM64 ?= $(CC)
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else
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CC_ARM64 ?= aarch64-linux-gnu-gcc
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endif
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ifeq ($(HOST_ARCHNAME),amd64)
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CC_AMD64 ?= $(CC)
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else
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CC_AMD64 ?= x86_64-linux-gnu-gcc
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endif
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CC_MACOS_ARM64 ?= $(CC)
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CC_MACOS_AMD64 ?= $(CC)
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MACOS_AMD64_MIN ?= 10.5
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ifeq ($(HOST_ARCHNAME),ppc32be)
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CC_PPC32BE ?= $(CC)
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else
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CC_PPC32BE ?= powerpc-linux-gnu-gcc
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endif
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ifeq ($(HOST_ARCHNAME),ppc64be)
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CC_PPC64BE ?= $(CC)
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else
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CC_PPC64BE ?= powerpc64-linux-gnu-gcc
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endif
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NATIVE_BIN := $(DIST)/fossmark-$(OSNAME)-$(HOST_ARCHNAME)
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# `make` with no target builds the host binary, as before.
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.DEFAULT_GOAL := native
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.PHONY: all native linux-arm64 linux-amd64 linux-ppc32be linux-ppc64be macos-arm64 macos-amd64 bench test clean
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# `make all` builds all Linux binaries.
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all: linux-arm64 linux-amd64 linux-ppc32be linux-ppc64be
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# `make native` (and bare `make`) build for whatever host you are on.
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native: $(NATIVE_BIN)
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linux-arm64: $(DIST)/fossmark-linux-arm64
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linux-amd64: $(DIST)/fossmark-linux-amd64
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linux-ppc32be: $(DIST)/fossmark-linux-ppc32be
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linux-ppc64be: $(DIST)/fossmark-linux-ppc64be
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macos-arm64: $(DIST)/fossmark-macos-arm64
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macos-amd64: $(DIST)/fossmark-macos-amd64
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$(DIST)/fossmark-linux-arm64: $(DRIVER) $(ASM_ARM64) | $(DIST)
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$(CC_ARM64) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(ASM_ARM64) $(LDLIBS)
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@echo "built $@"
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$(DIST)/fossmark-linux-amd64: $(DRIVER) $(ASM_AMD64) | $(DIST)
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$(CC_AMD64) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(ASM_AMD64) $(LDLIBS)
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@echo "built $@"
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$(DIST)/fossmark-linux-ppc32be: $(DRIVER) $(SRC_PPC32) $(ASM_PPC32) | $(DIST)
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$(CC_PPC32BE) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(SRC_PPC32) $(ASM_PPC32) $(LDLIBS)
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@echo "built $@"
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$(DIST)/fossmark-linux-ppc64be: $(DRIVER) $(SRC_PPC64) | $(DIST)
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$(CC_PPC64BE) -mcpu=970 -maltivec $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(SRC_PPC64) $(LDLIBS)
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@echo "built $@"
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$(DIST)/fossmark-macos-arm64: $(DRIVER) $(ASM_ARM64) | $(DIST)
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$(CC_MACOS_ARM64) -arch arm64 $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(ASM_ARM64) $(LDLIBS)
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@echo "built $@"
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$(DIST)/fossmark-macos-amd64: $(DRIVER) $(ASM_AMD64) | $(DIST)
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MACOSX_DEPLOYMENT_TARGET=$(MACOS_AMD64_MIN) $(CC_MACOS_AMD64) -arch x86_64 -mmacosx-version-min=$(MACOS_AMD64_MIN) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -Wl,-no_fixup_chains -o $@ $(DRIVER) $(ASM_AMD64) $(LDLIBS)
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@echo "built $@"
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# When the host is Linux/ARM64 or Linux/AMD64, the native binary IS one of the
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# linux-* targets above, so no separate recipe is defined (that would be a
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# duplicate). Otherwise - e.g. macOS/ARM64 - provide the native recipe here.
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ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-arm64)
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NATIVE_HAS_RULE := yes
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endif
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ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-amd64)
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NATIVE_HAS_RULE := yes
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endif
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ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-ppc32be)
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NATIVE_HAS_RULE := yes
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endif
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ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-ppc64be)
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NATIVE_HAS_RULE := yes
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endif
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ifeq ($(OSNAME)-$(HOST_ARCHNAME),macos-arm64)
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NATIVE_HAS_RULE := yes
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endif
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ifeq ($(OSNAME)-$(HOST_ARCHNAME),macos-amd64)
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NATIVE_HAS_RULE := yes
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endif
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ifneq ($(NATIVE_HAS_RULE),yes)
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$(NATIVE_BIN): $(DRIVER) $(HOST_KERNEL) | $(DIST)
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$(CC) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(HOST_KERNEL) $(LDLIBS)
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@echo "built $@"
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endif
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$(DIST):
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mkdir -p $(DIST)
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# Build for the host and run the benchmark.
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bench: $(NATIVE_BIN)
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./$(NATIVE_BIN)
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# Build and run the kernel correctness tests for the host arch.
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test: | $(DIST)
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$(CC) $(CFLAGS) $(PTHREAD) -o $(DIST)/test_kernels src/test_kernels.c $(HOST_KERNEL) -lm
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./$(DIST)/test_kernels
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clean:
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rm -rf $(DIST)
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