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Add PPC64 iMac G5 build support

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This commit is contained in:
owen
2026-07-17 18:21:31 -05:00
parent 7e2360c104
commit 438cc58b02
5 changed files with 89 additions and 9 deletions
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Makefile
+25 -2
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@@ -4,6 +4,7 @@
# src/fossmark.S AArch64 (ARM64)
# src/fossmark_x86_64.S x86-64 (AMD64)
# src/fossmark_ppc32.c PowerPC 32-bit, including big-endian systems
# and the portable PPC64 kernel implementations
# 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
@@ -13,6 +14,7 @@
# make build for the host arch (dist/fossmark-<os>-<arch>)
# make linux-arm64 build the Linux/ARM64 binary
# make linux-amd64 build the Linux/AMD64 binary
# make linux-ppc64be build Linux/PPC64 big-endian for an iMac G5
# make macos-arm64 build the macOS/ARM64 binary
# make macos-amd64 build the macOS/AMD64 binary
# make all build both Linux binaries
@@ -27,6 +29,7 @@
# toolchain is named differently, e.g.:
# make linux-amd64 CC_AMD64=x86_64-linux-gnu-gcc-14
# make linux-arm64 CC_ARM64="clang --target=aarch64-linux-gnu"
# make linux-ppc64be CC_PPC64BE=powerpc64-linux-gnu-gcc
#
# On macOS, Apple Clang can build both architectures. The macOS compiler may
# be overridden for an osxcross or other cross toolchain:
@@ -47,6 +50,7 @@ ASM_ARM64 := src/fossmark.S
ASM_AMD64 := src/fossmark_x86_64.S
SRC_PPC32 := src/fossmark_ppc32.c
ASM_PPC32 := src/fossmark_ppc32_ext.S
SRC_PPC64 := src/fossmark_ppc32.c
# ---- host detection: normalise `uname -m` to our arch names ----
HOST_ARCH := $(shell uname -m)
@@ -59,10 +63,16 @@ else ifneq (,$(filter x86_64 amd64,$(HOST_ARCH)))
else ifneq (,$(filter ppc powerpc ppc32 powerpc32,$(HOST_ARCH)))
HOST_ARCHNAME := ppc32be
HOST_KERNEL := $(SRC_PPC32) $(ASM_PPC32)
else ifneq (,$(filter ppc64 powerpc64,$(HOST_ARCH)))
HOST_ARCHNAME := ppc64be
HOST_KERNEL := $(SRC_PPC64)
else
HOST_ARCHNAME := $(HOST_ARCH)
$(error unsupported host architecture '$(HOST_ARCH)')
endif
ifeq ($(HOST_ARCHNAME),ppc64be)
CFLAGS += -mcpu=970 -maltivec
endif
ifeq ($(HOST_ARCHNAME),arm64)
HOST_KERNEL := $(ASM_ARM64)
endif
@@ -97,15 +107,20 @@ ifeq ($(HOST_ARCHNAME),ppc32be)
else
CC_PPC32BE ?= powerpc-linux-gnu-gcc
endif
ifeq ($(HOST_ARCHNAME),ppc64be)
CC_PPC64BE ?= $(CC)
else
CC_PPC64BE ?= powerpc64-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 linux-ppc32be macos-arm64 macos-amd64 bench test clean
.PHONY: all native linux-arm64 linux-amd64 linux-ppc32be linux-ppc64be macos-arm64 macos-amd64 bench test clean
# `make all` builds all Linux binaries.
all: linux-arm64 linux-amd64 linux-ppc32be
all: linux-arm64 linux-amd64 linux-ppc32be linux-ppc64be
# `make native` (and bare `make`) build for whatever host you are on.
native: $(NATIVE_BIN)
@@ -113,6 +128,7 @@ native: $(NATIVE_BIN)
linux-arm64: $(DIST)/fossmark-linux-arm64
linux-amd64: $(DIST)/fossmark-linux-amd64
linux-ppc32be: $(DIST)/fossmark-linux-ppc32be
linux-ppc64be: $(DIST)/fossmark-linux-ppc64be
macos-arm64: $(DIST)/fossmark-macos-arm64
macos-amd64: $(DIST)/fossmark-macos-amd64
@@ -128,6 +144,10 @@ $(DIST)/fossmark-linux-ppc32be: $(DRIVER) $(SRC_PPC32) $(ASM_PPC32) | $(DIST)
$(CC_PPC32BE) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(SRC_PPC32) $(ASM_PPC32) $(LDLIBS)
@echo "built $@"
$(DIST)/fossmark-linux-ppc64be: $(DRIVER) $(SRC_PPC64) | $(DIST)
$(CC_PPC64BE) -mcpu=970 -maltivec $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(SRC_PPC64) $(LDLIBS)
@echo "built $@"
$(DIST)/fossmark-macos-arm64: $(DRIVER) $(ASM_ARM64) | $(DIST)
$(CC_MACOS_ARM64) -arch arm64 $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(ASM_ARM64) $(LDLIBS)
@echo "built $@"
@@ -148,6 +168,9 @@ endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-ppc32be)
NATIVE_HAS_RULE := yes
endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-ppc64be)
NATIVE_HAS_RULE := yes
endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),macos-arm64)
NATIVE_HAS_RULE := yes
endif