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Add Pentium 4 Linux support

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This commit is contained in:
owen
2026-07-17 19:43:26 -05:00
parent 7f33d448c7
commit 136b417cf8
5 changed files with 76 additions and 7 deletions
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Makefile
+23 -3
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@@ -48,6 +48,7 @@ DIST := dist
DRIVER := src/main.c
ASM_ARM64 := src/fossmark.S
ASM_AMD64 := src/fossmark_x86_64.S
SRC_I386 := src/fossmark_ppc32.c
SRC_PPC32 := src/fossmark_ppc32.c
ASM_PPC32 := src/fossmark_ppc32_ext.S
SRC_PPC64 := src/fossmark_ppc32.c
@@ -60,6 +61,9 @@ ifneq (,$(filter aarch64 arm64,$(HOST_ARCH)))
else ifneq (,$(filter x86_64 amd64,$(HOST_ARCH)))
HOST_ARCHNAME := amd64
HOST_KERNEL := $(ASM_AMD64)
else ifneq (,$(filter i386 i486 i586 i686 x86,$(HOST_ARCH)))
HOST_ARCHNAME := i386
HOST_KERNEL := $(SRC_I386)
else ifneq (,$(filter ppc powerpc ppc32 powerpc32,$(HOST_ARCH)))
HOST_ARCHNAME := ppc32be
HOST_KERNEL := $(SRC_PPC32) $(ASM_PPC32)
@@ -68,7 +72,10 @@ else ifneq (,$(filter ppc64 powerpc64,$(HOST_ARCH)))
HOST_KERNEL := $(SRC_PPC64)
else
HOST_ARCHNAME := $(HOST_ARCH)
$(error unsupported host architecture '$(HOST_ARCH)')
$(error unsupported host architecture '$(HOST_ARCH)')
endif
ifeq ($(HOST_ARCHNAME),i386)
CFLAGS += -march=pentium4 -msse2
endif
ifeq ($(HOST_ARCHNAME),ppc64be)
CFLAGS += -mcpu=970 -maltivec
@@ -100,6 +107,11 @@ ifeq ($(HOST_ARCHNAME),amd64)
else
CC_AMD64 ?= x86_64-linux-gnu-gcc
endif
ifeq ($(HOST_ARCHNAME),i386)
CC_I386 ?= $(CC)
else
CC_I386 ?= cc
endif
CC_MACOS_ARM64 ?= $(CC)
CC_MACOS_AMD64 ?= $(CC)
MACOS_AMD64_MIN ?= 10.5
@@ -118,16 +130,17 @@ 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 linux-ppc64be macos-arm64 macos-amd64 bench test clean
.PHONY: all native linux-arm64 linux-amd64 linux-i386 linux-ppc32be linux-ppc64be macos-arm64 macos-amd64 bench test clean
# `make all` builds all Linux binaries.
all: linux-arm64 linux-amd64 linux-ppc32be linux-ppc64be
all: linux-arm64 linux-amd64 linux-i386 linux-ppc32be linux-ppc64be
# `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-i386: $(DIST)/fossmark-linux-i386
linux-ppc32be: $(DIST)/fossmark-linux-ppc32be
linux-ppc64be: $(DIST)/fossmark-linux-ppc64be
macos-arm64: $(DIST)/fossmark-macos-arm64
@@ -141,6 +154,10 @@ $(DIST)/fossmark-linux-amd64: $(DRIVER) $(ASM_AMD64) | $(DIST)
$(CC_AMD64) $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(ASM_AMD64) $(LDLIBS)
@echo "built $@"
$(DIST)/fossmark-linux-i386: $(DRIVER) $(SRC_I386) | $(DIST)
$(CC_I386) -m32 -march=pentium4 -msse2 $(CFLAGS) $(TLS_CFLAGS) $(PTHREAD) $(LDFLAGS) -o $@ $(DRIVER) $(SRC_I386) $(LDLIBS)
@echo "built $@"
$(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 $@"
@@ -166,6 +183,9 @@ endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-amd64)
NATIVE_HAS_RULE := yes
endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-i386)
NATIVE_HAS_RULE := yes
endif
ifeq ($(OSNAME)-$(HOST_ARCHNAME),linux-ppc32be)
NATIVE_HAS_RULE := yes
endif