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-rw-r--r--Rules.mak43
-rw-r--r--extra/Configs/Config.alpha7
-rw-r--r--extra/Configs/Config.arm14
-rw-r--r--extra/Configs/Config.cris4
-rw-r--r--extra/Configs/Config.h830010
-rw-r--r--extra/Configs/Config.i38623
-rw-r--r--extra/Configs/Config.i386.default1
-rw-r--r--extra/Configs/Config.i96010
-rw-r--r--extra/Configs/Config.in.arch5
-rw-r--r--extra/Configs/Config.m68k6
-rw-r--r--extra/Configs/Config.mips7
-rw-r--r--extra/Configs/Config.mipsel7
-rw-r--r--extra/Configs/Config.powerpc7
-rw-r--r--extra/Configs/Config.sh18
-rw-r--r--extra/Configs/Config.sparc4
-rw-r--r--extra/Configs/Config.v850e11
16 files changed, 51 insertions, 126 deletions
diff --git a/Rules.mak b/Rules.mak
index bdcd163cf..9154a9aa1 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -94,20 +94,45 @@ export LC_COLLATE
ARFLAGS:=r
-# Some nice architecture specific optimizations
-ifndef OPTIMIZATION
-
# use '-Os' optimization if available, else use -O2, allow Config to override
OPTIMIZATION:=
OPTIMIZATION+=$(call check_gcc,-Os,-O2)
-ifeq ($(strip $(TARGET_ARCH)),arm)
- OPTIMIZATION+=-fstrict-aliasing
-endif
+
+# Some nice CPU specific optimizations
ifeq ($(strip $(TARGET_ARCH)),i386)
OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,)
- OPTIMIZATION+=$(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,\
- -malign-functions=0 -malign-jumps=0 -malign-loops=0)
+ OPTIMIZATION+=$(call check_gcc,-falign-jumps=0 -falign-loops=0,-malign-jumps=0 -malign-loops=0)
+ CPU_CFLAGS-$(CONFIG_386):="-march=i386"
+ CPU_CFLAGS-$(CONFIG_486):="-march=i486"
+ CPU_CFLAGS-$(CONFIG_586):="-march=i586"
+ CPU_CFLAGS-$(CONFIG_586MMX):="$(call check_gcc,-march=pentium-mmx,-march=i586)"
+ CPU_CFLAGS-$(CONFIG_686):="-march=i686"
+ CPU_CFLAGS-$(CONFIG_PENTIUMIII):="$(call check_gcc,-march=pentium3,-march=i686)"
+ CPU_CFLAGS-$(CONFIG_PENTIUM4):="$(call check_gcc,-march=pentium4,-march=i686)"
+ CPU_CFLAGS-$(CONFIG_K6):="$(call check_gcc,-march=k6,-march=i586)"
+ CPU_CFLAGS-$(CONFIG_K7):="$(call check_gcc,-march=athlon,-malign-functions=4 -march=i686)"
+ CPU_CFLAGS-$(CONFIG_CRUSOE):="-march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0"
+ CPU_CFLAGS-$(CONFIG_WINCHIPC6):="$(call check_gcc,-march=winchip-c6,-march=i586)"
+ CPU_CFLAGS-$(CONFIG_WINCHIP2):="$(call check_gcc,-march=winchip2,-march=i586)"
+ CPU_CFLAGS-$(CONFIG_CYRIXIII):="$(call check_gcc,-march=c3,-march=i586)"
endif
+
+ifeq ($(strip $(TARGET_ARCH)),arm)
+ OPTIMIZATION+=-fstrict-aliasing
+ CPU_CFLAGS-$(CONFIG_GENERIC_ARM):=
+ CPU_CFLAGS-$(CONFIG_ARM7TDMI):="-march=arm7tdmi"
+ CPU_CFLAGS-$(CONFIG_STRONGARM):="-march=strongarm"
+ CPU_CFLAGS-$(CONFIG_XSCALE):="$(call check_gcc,-march=xscale,-march=strongarm)"
+endif
+
+ifeq ($(strip $(TARGET_ARCH)),sh)
+ OPTIMIZATION+=-fstrict-aliasing
+ CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN):="-ml"
+ CPU_CFLAGS-$(ARCH_BIG_ENDIAN):="-mb"
+ CPU_CFLAGS-$(CONFIG_SH2)+="-m2"
+ CPU_CFLAGS-$(CONFIG_SH3)+="-m3"
+ CPU_CFLAGS-$(CONFIG_SH4)+="-m4"
+ CPU_CFLAGS-$(CONFIG_SH5)+="-m5"
endif
# Add a bunch of extra pedantic annoyingly strict checks
@@ -115,7 +140,7 @@ WARNINGS+=-Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
CFLAGS:=$(WARNINGS) $(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) \
- -I$(TOPDIR)include -iwithprefix include -I. -D_LIBC $(CPU_CFLAGS) $(ARCH_CFLAGS)
+ -I$(TOPDIR)include -iwithprefix include -I. -D_LIBC $(CPU_CFLAGS-y) $(ARCH_CFLAGS)
NATIVE_CFLAGS:=-O2 -Wall
ifeq ($(strip $(DODEBUG)),y)
diff --git a/extra/Configs/Config.alpha b/extra/Configs/Config.alpha
index 3a13d9826..0f55c3252 100644
--- a/extra/Configs/Config.alpha
+++ b/extra/Configs/Config.alpha
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
source "extra/Configs/Config.in.arch"
diff --git a/extra/Configs/Config.arm b/extra/Configs/Config.arm
index e11ec1008..f458f23a1 100644
--- a/extra/Configs/Config.arm
+++ b/extra/Configs/Config.arm
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
choice
prompt "Target Processor Type"
@@ -66,13 +59,6 @@ config ARCH_HAS_NO_MMU
bool
default y if CONFIG_ARM7TDMI
-config CPU_CFLAGS
- string
- default "" if CONFIG_GENERIC_ARM
- default "-march=arm7tdmi" if CONFIG_ARM7TDMI
- default "-march=strongarm" if CONFIG_STRONGARM
- default "$(call check_gcc,-march=xscale,-march=strongarm)" if CONFIG_XSCALE
-
source "extra/Configs/Config.in.arch"
endmenu
diff --git a/extra/Configs/Config.cris b/extra/Configs/Config.cris
index 983570f78..4d3514689 100644
--- a/extra/Configs/Config.cris
+++ b/extra/Configs/Config.cris
@@ -11,10 +11,6 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
default "-fpic -mlinux -D__USE_WEAK_ALIASES"
diff --git a/extra/Configs/Config.h8300 b/extra/Configs/Config.h8300
index e3a63a5af..8c17d89a9 100644
--- a/extra/Configs/Config.h8300
+++ b/extra/Configs/Config.h8300
@@ -11,26 +11,24 @@ config HAVE_ELF
bool
default n
-config C_SYMBOL_PREFIX
- string
- default "_"
-
config ARCH_CFLAGS
string
default "-mh -mint32 -fsigned-char"
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
config ARCH_HAS_NO_MMU
bool
default y
+config ARCH_HAS_C_SYMBOL_PREFIX
+ bool
+ default y
+
source "extra/Configs/Config.in.arch"
endmenu
diff --git a/extra/Configs/Config.i386 b/extra/Configs/Config.i386
index 463da8e2b..55f609bb6 100644
--- a/extra/Configs/Config.i386
+++ b/extra/Configs/Config.i386
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
choice
prompt "Target Processor Type"
@@ -100,22 +93,6 @@ config CONFIG_CYRIXIII
endchoice
-config CPU_CFLAGS
- string
- default "-march=i386" if CONFIG_386
- default "-march=i486" if CONFIG_486
- default "-march=i586" if CONFIG_586
- default "$(call check_gcc,-march=pentium-mmx,-march=i586)" if CONFIG_586MMX
- default "-march=i686" if CONFIG_686
- default "$(call check_gcc,-march=pentium3,-march=i686)" if CONFIG_PENTIUMIII
- default "$(call check_gcc,-march=pentium4,-march=i686)" if CONFIG_PENTIUM4
- default "$(call check_gcc,-march=k6,-march=i586)" if CONFIG_K6
- default "$(call check_gcc,-march=athlon,-march=i686 -malign-functions=4)" if CONFIG_K7
- default "-march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0" if CONFIG_CRUSOE
- default "$(call check_gcc,-march=winchip-c6,-march=i586)" if CONFIG_WINCHIPC6
- default "$(call check_gcc,-march=winchip2,-march=i586)" if CONFIG_WINCHIP2
- default "$(call check_gcc,-march=c3,-march=i586)" if CONFIG_CYRIXIII
-
source "extra/Configs/Config.in.arch"
endmenu
diff --git a/extra/Configs/Config.i386.default b/extra/Configs/Config.i386.default
index b563f47c3..bc215596f 100644
--- a/extra/Configs/Config.i386.default
+++ b/extra/Configs/Config.i386.default
@@ -27,7 +27,6 @@ HAS_FPU=y
# DO_C99_MATH is not set
WARNINGS="-Wall"
KERNEL_SOURCE="/usr/src/linux"
-C_SYMBOL_PREFIX=""
UCLIBC_UCLINUX_BROKEN_MUNMAP=y
HAVE_ELF=y
# HAVE_DOT_HIDDEN is not set
diff --git a/extra/Configs/Config.i960 b/extra/Configs/Config.i960
index 4ffafdf01..ac35628c2 100644
--- a/extra/Configs/Config.i960
+++ b/extra/Configs/Config.i960
@@ -11,26 +11,24 @@ config HAVE_ELF
bool
default n
-config C_SYMBOL_PREFIX
- string
- default "_"
-
config ARCH_CFLAGS
string
default "-mh -mint32 -fsigned-char"
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
config ARCH_HAS_NO_MMU
bool
default y
+config ARCH_HAS_C_SYMBOL_PREFIX
+ bool
+ default y
+
source "extra/Configs/Config.in.arch"
endmenu
diff --git a/extra/Configs/Config.in.arch b/extra/Configs/Config.in.arch
index 6e9f5fb82..1e7b1129a 100644
--- a/extra/Configs/Config.in.arch
+++ b/extra/Configs/Config.in.arch
@@ -82,3 +82,8 @@ config EXCLUDE_BRK
depends on !UCLIBC_HAS_MMU
default y
+config C_SYMBOL_PREFIX
+ string
+ default "_" if ARCH_HAS_C_SYMBOL_PREFIX
+ default "" if !ARCH_HAS_C_SYMBOL_PREFIX
+
diff --git a/extra/Configs/Config.m68k b/extra/Configs/Config.m68k
index ca36c0cd0..48c70fe54 100644
--- a/extra/Configs/Config.m68k
+++ b/extra/Configs/Config.m68k
@@ -11,21 +11,15 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
default "-Wa,--bitwise-or -I$(KERNEL_SOURCE)/include"
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
config HAVE_ELF
bool
diff --git a/extra/Configs/Config.mips b/extra/Configs/Config.mips
index 72f7f6d50..8ede6f26f 100644
--- a/extra/Configs/Config.mips
+++ b/extra/Configs/Config.mips
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
choice
prompt "Target Processor Endianness"
diff --git a/extra/Configs/Config.mipsel b/extra/Configs/Config.mipsel
index 3a13d9826..0f55c3252 100644
--- a/extra/Configs/Config.mipsel
+++ b/extra/Configs/Config.mipsel
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
source "extra/Configs/Config.in.arch"
diff --git a/extra/Configs/Config.powerpc b/extra/Configs/Config.powerpc
index 3a13d9826..0f55c3252 100644
--- a/extra/Configs/Config.powerpc
+++ b/extra/Configs/Config.powerpc
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
source "extra/Configs/Config.in.arch"
diff --git a/extra/Configs/Config.sh b/extra/Configs/Config.sh
index 5b7f1c907..bcd273487 100644
--- a/extra/Configs/Config.sh
+++ b/extra/Configs/Config.sh
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
config HAVE_DOT_HIDDEN
bool
@@ -80,17 +73,6 @@ config ARCH_HAS_NO_MMU
bool
default y if CONFIG_SH2 || CONFIG_SH3
-config CPU_CFLAGS
- string
- default "-ml -m2" if CONFIG_SH2 && ARCH_LITTLE_ENDIAN
- default "-mb -m2" if CONFIG_SH2 && ARCH_BIG_ENDIAN
- default "-ml -m3" if CONFIG_SH3 && ARCH_LITTLE_ENDIAN
- default "-mb -m3" if CONFIG_SH3 && ARCH_BIG_ENDIAN
- default "-ml -m4" if CONFIG_SH4 && ARCH_LITTLE_ENDIAN
- default "-mb -m4" if CONFIG_SH4 && ARCH_BIG_ENDIAN
- default "-ml -m5" if CONFIG_SH5 && ARCH_LITTLE_ENDIAN
- default "-mb -m5" if CONFIG_SH5 && ARCH_BIG_ENDIAN
-
source "extra/Configs/Config.in.arch"
endmenu
diff --git a/extra/Configs/Config.sparc b/extra/Configs/Config.sparc
index 983570f78..4d3514689 100644
--- a/extra/Configs/Config.sparc
+++ b/extra/Configs/Config.sparc
@@ -11,10 +11,6 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default ""
-
config ARCH_CFLAGS
string
default "-fpic -mlinux -D__USE_WEAK_ALIASES"
diff --git a/extra/Configs/Config.v850e b/extra/Configs/Config.v850e
index 176e43e14..c0a7226ed 100644
--- a/extra/Configs/Config.v850e
+++ b/extra/Configs/Config.v850e
@@ -11,21 +11,14 @@ config HAVE_ELF
bool
default y
-config C_SYMBOL_PREFIX
- string
- default "_"
-
config ARCH_CFLAGS
string
- default ""
config ARCH_LDFLAGS
string
- default ""
config LIBGCC_CFLAGS
string
- default ""
config HAVE_ELF
bool
@@ -35,6 +28,10 @@ config ARCH_HAS_NO_MMU
bool
default y
+config ARCH_HAS_C_SYMBOL_PREFIX
+ bool
+ default y
+
source "extra/Configs/Config.in.arch"
endmenu
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 04:33:41 +0000