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add ppc32be, and other fixes

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This commit is contained in:
owen
2026-07-17 15:16:30 -05:00
parent 31ba00f1b5
commit ec7e7c3a27
6 changed files with 206 additions and 22 deletions
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Makefile
+29 -8
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@@ -3,6 +3,7 @@
# The assembly kernels are architecture-specific:
# src/fossmark.S AArch64 (ARM64)
# src/fossmark_x86_64.S x86-64 (AMD64)
# src/fossmark_ppc32.c PowerPC 32-bit, including big-endian systems
# The C driver (src/main.c) is portable across architectures and OSes. A
# "binary that runs everywhere" is not possible - each OS/arch pair uses a
# different executable format and instruction set - so output is named per
@@ -42,6 +43,7 @@ DIST := dist
DRIVER := src/main.c
ASM_ARM64 := src/fossmark.S
ASM_AMD64 := src/fossmark_x86_64.S
SRC_PPC32 := src/fossmark_ppc32.c
# ---- host detection: normalise `uname -m` to our arch names ----
HOST_ARCH := $(shell uname -m)
@@ -50,10 +52,16 @@ ifneq (,$(filter aarch64 arm64,$(HOST_ARCH)))
HOST_ASM := $(ASM_ARM64)
else ifneq (,$(filter x86_64 amd64,$(HOST_ARCH)))
HOST_ARCHNAME := amd64
HOST_ASM := $(ASM_AMD64)
HOST_KERNEL := $(ASM_AMD64)
else ifneq (,$(filter ppc powerpc ppc32 powerpc32,$(HOST_ARCH)))
HOST_ARCHNAME := ppc32be
HOST_KERNEL := $(SRC_PPC32)
else
HOST_ARCHNAME := $(HOST_ARCH)
HOST_ASM := $(ASM_ARM64)
$(error unsupported host architecture '$(HOST_ARCH)')
endif
ifeq ($(HOST_ARCHNAME),arm64)
HOST_KERNEL := $(ASM_ARM64)
endif
# ---- host OS name for the native binary ----
@@ -81,21 +89,27 @@ else
endif
CC_MACOS_ARM64 ?= $(CC)
CC_MACOS_AMD64 ?= $(CC)
ifeq ($(HOST_ARCHNAME),ppc32be)
CC_PPC32BE ?= $(CC)
else
CC_PPC32BE ?= powerpc-linux-gnu-gcc
endif
NATIVE_BIN := $(DIST)/fossmark-$(OSNAME)-$(HOST_ARCHNAME)
# `make` with no target builds the host binary, as before.
.DEFAULT_GOAL := native
.PHONY: all native linux-arm64 linux-amd64 macos-arm64 macos-amd64 bench test clean
.PHONY: all native linux-arm64 linux-amd64 linux-ppc32be macos-arm64 macos-amd64 bench test clean
# `make all` builds both Linux binaries.
all: linux-arm64 linux-amd64
# `make all` builds all Linux binaries.
all: linux-arm64 linux-amd64 linux-ppc32be
# `make native` (and bare `make`) build for whatever host you are on.
native: $(NATIVE_BIN)
linux-arm64: $(DIST)/fossmark-linux-arm64
linux-amd64: $(DIST)/fossmark-linux-amd64
linux-ppc32be: $(DIST)/fossmark-linux-ppc32be
macos-arm64: $(DIST)/fossmark-macos-arm64
macos-amd64: $(DIST)/fossmark-macos-amd64
@@ -107,6 +121,10 @@ $(DIST)/fossmark-linux-amd64: $(DRIVER) $(ASM_AMD64) | $(DIST)
$(CC_AMD64) $(CFLAGS) $(PTHREAD) -o $@ $(DRIVER) $(ASM_AMD64) $(LDLIBS)
@echo "built $@"
$(DIST)/fossmark-linux-ppc32be: $(DRIVER) $(SRC_PPC32) | $(DIST)
$(CC_PPC32BE) $(CFLAGS) $(PTHREAD) -o $@ $(DRIVER) $(SRC_PPC32) $(LDLIBS)
@echo "built $@"
$(DIST)/fossmark-macos-arm64: $(DRIVER) $(ASM_ARM64) | $(DIST)
$(CC_MACOS_ARM64) -arch arm64 $(CFLAGS) $(PTHREAD) -o $@ $(DRIVER) $(ASM_ARM64) $(LDLIBS)
@echo "built $@"
@@ -124,6 +142,9 @@ endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-amd64)
NATIVE_HAS_RULE := yes
endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-ppc32be)
NATIVE_HAS_RULE := yes
endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),macos-arm64)
NATIVE_HAS_RULE := yes
endif
@@ -131,8 +152,8 @@ ifeq ($(OSNAME)-$(HOST_ARCHNAME),macos-amd64)
NATIVE_HAS_RULE := yes
endif
ifneq ($(NATIVE_HAS_RULE),yes)
$(NATIVE_BIN): $(DRIVER) $(HOST_ASM) | $(DIST)
$(CC) $(CFLAGS) $(PTHREAD) -o $@ $(DRIVER) $(HOST_ASM) $(LDLIBS)
$(NATIVE_BIN): $(DRIVER) $(HOST_KERNEL) | $(DIST)
$(CC) $(CFLAGS) $(PTHREAD) -o $@ $(DRIVER) $(HOST_KERNEL) $(LDLIBS)
@echo "built $@"
endif
@@ -145,7 +166,7 @@ bench: $(NATIVE_BIN)
# Build and run the kernel correctness tests for the host arch.
test: | $(DIST)
$(CC) $(CFLAGS) $(PTHREAD) -o $(DIST)/test_kernels src/test_kernels.c $(HOST_ASM) $(LDLIBS)
$(CC) $(CFLAGS) $(PTHREAD) -o $(DIST)/test_kernels src/test_kernels.c $(HOST_KERNEL) $(LDLIBS)
./$(DIST)/test_kernels
clean: