^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) # This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) # License. See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) # for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) # DECStation modifications by Paul M. Antoine, 1996
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) # This file is included by the global makefile so that you can add your own
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) # architecture-specific flags and dependencies. Remember to do have actions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) # for "archclean" cleaning up for this architecture.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) archscripts: scripts_basic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) KBUILD_DEFCONFIG := 32r2el_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) KBUILD_DTBS := dtbs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) # Select the object file format to substitute into the linker script.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) ifdef CONFIG_CPU_LITTLE_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 32bit-tool-archpref = mipsel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 64bit-tool-archpref = mips64el
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 32bit-bfd = elf32-tradlittlemips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 64bit-bfd = elf64-tradlittlemips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 32bit-emul = elf32ltsmip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 64bit-emul = elf64ltsmip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 32bit-tool-archpref = mips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 64bit-tool-archpref = mips64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 32bit-bfd = elf32-tradbigmips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 64bit-bfd = elf64-tradbigmips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 32bit-emul = elf32btsmip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 64bit-emul = elf64btsmip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) ifdef CONFIG_32BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) tool-archpref = $(32bit-tool-archpref)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) UTS_MACHINE := mips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) ifdef CONFIG_64BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) tool-archpref = $(64bit-tool-archpref)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) UTS_MACHINE := mips64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) ifneq ($(SUBARCH),$(ARCH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) ifeq ($(CROSS_COMPILE),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) ifndef KBUILD_MCOUNT_RA_ADDRESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) cflags-y += $(call cc-option, -mno-check-zero-division)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) ifdef CONFIG_32BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) ld-emul = $(32bit-emul)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) vmlinux-32 = vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) vmlinux-64 = vmlinux.64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) cflags-y += -mabi=32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ifdef CONFIG_64BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) ld-emul = $(64bit-emul)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) vmlinux-32 = vmlinux.32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) vmlinux-64 = vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) cflags-y += -mabi=64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) # code since it only slows down the whole thing. At some point we might make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) # use of global pointer optimizations but their use of $28 conflicts with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) # the current pointer optimization.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) # The DECStation requires an ECOFF kernel for remote booting, other MIPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) # machines may also. Since BFD is incredibly buggy with respect to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) # crossformat linking we rely on the elf2ecoff tool for format conversion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) cflags-y += -msoft-float
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) KBUILD_AFLAGS_MODULE += -mlong-calls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) KBUILD_CFLAGS_MODULE += -mlong-calls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) ifeq ($(CONFIG_RELOCATABLE),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) LDFLAGS_vmlinux += --emit-relocs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) # pass -msoft-float to GAS if it supports it. However on newer binutils
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) # (specifically newer than 2.24.51.20140728) we then also need to explicitly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) # set ".set hardfloat" in all files which manipulate floating point registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) cflags-y += -ffreestanding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) -fno-omit-frame-pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) # Some distribution-specific toolchains might pass the -fstack-check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) # option during the build, which adds a simple stack-probe at the beginning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) # of every function. This stack probe is to ensure that there is enough
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) # stack space, else a SEGV is generated. This is not desirable for MIPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) # as kernel stacks are small, placed in unmapped virtual memory, and do not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) # grow when overflowed. Especially on SGI IP27 platforms, this check will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) # lead to a NULL pointer dereference in _raw_spin_lock_irq.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) # In disassembly, this stack probe appears at the top of a function as:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) # sd zero,<offset>(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) # Where <offset> is a negative value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) cflags-y += -fno-stack-check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) # for a description).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) # We disable this in order to prevent the assembler meddling with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) # instruction that labels refer to, ie. if we label an ll instruction:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) # 1: ll v0, 0(a0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) # ...then with the assembler fix applied the label may actually point at a sync
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) # instruction inserted by the assembler, and if we were using the label in an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) # exception table the table would no longer contain the address of the ll
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) # instruction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) # Avoid this by explicitly disabling that assembler behaviour.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) # CPU-dependent compiler/assembler options for optimization.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) cflags-$(CONFIG_CPU_R3000) += -march=r3000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) # For smartmips configurations, there are hundreds of warnings due to ISA overrides
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) # similar directives in the kernel will spam the build logs with the following warnings:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) # or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) # been fixed properly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) mips-cflags := $(cflags-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) ifeq ($(CONFIG_CPU_MICROMIPS),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) cflags-$(micromips-ase) += -mmicromips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) ifeq ($(CONFIG_CPU_HAS_MSA),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) # only warns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) xpa-cflags-y := $(mips-cflags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) # Firmware support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) libs-y += arch/mips/fw/lib/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) # Kernel compression
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ifdef CONFIG_SYS_SUPPORTS_ZBOOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) COMPRESSION_FNAME = vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) COMPRESSION_FNAME = vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) # Board-dependent options and extra files
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) include arch/mips/Kbuild.platforms
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) ifdef CONFIG_PHYSICAL_START
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) load-y = $(CONFIG_PHYSICAL_START)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) drivers-$(CONFIG_PCI) += arch/mips/pci/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) # Automatically detect the build format. By default we choose
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) # the elf format according to the load address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) # We can always force a build with a 64-bits symbol format by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) # passing 'KBUILD_SYM32=no' option to the make's command line.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) ifdef CONFIG_64BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) ifndef KBUILD_SYM32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) KBUILD_SYM32 = y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) cflags-y += -msym32 -DKBUILD_64BIT_SYM32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) # When linking a 32-bit executable the LLVM linker cannot cope with a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) # 32-bit load address that has been sign-extended to 64 bits. Simply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) # remove the upper 32 bits then, as it is safe to do so with other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) # linkers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) ifdef CONFIG_64BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) load-ld = $(load-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) load-ld = $(subst 0xffffffff,0x,$(load-y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) KBUILD_AFLAGS += $(cflags-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) KBUILD_CFLAGS += $(cflags-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) LINKER_LOAD_ADDRESS=$(load-ld) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) VMLINUX_ENTRY_ADDRESS=$(entry-y) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) PLATFORM="$(platform-y)" \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) ITS_INPUTS="$(its-y)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) ifdef CONFIG_32BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) bootvars-y += ADDR_BITS=32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) ifdef CONFIG_64BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) bootvars-y += ADDR_BITS=64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) # This is required to get dwarf unwinding tables into .debug_frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) # instead of .eh_frame so we don't discard them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) KBUILD_LDFLAGS += -m $(ld-emul)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) ifdef CONFIG_MIPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) OBJCOPYFLAGS += --remove-section=.reginfo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) head-y := arch/mips/kernel/head.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) libs-y += arch/mips/lib/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) # See arch/mips/Kbuild for content of core part of the kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) core-y += arch/mips/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) drivers-y += arch/mips/crypto/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) # suspend and hibernation support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) drivers-$(CONFIG_PM) += arch/mips/power/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) # boot image targets (arch/mips/boot/)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) boot-y := vmlinux.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) boot-y += vmlinux.ecoff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) boot-y += vmlinux.srec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) boot-y += uImage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) boot-y += uImage.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) boot-y += uImage.bz2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) boot-y += uImage.gz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) boot-y += uImage.lzma
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) boot-y += uImage.lzo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) boot-y += vmlinux.itb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) boot-y += vmlinux.gz.itb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) boot-y += vmlinux.bz2.itb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) boot-y += vmlinux.lzma.itb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) boot-y += vmlinux.lzo.itb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) # compressed boot image targets (arch/mips/boot/compressed/)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) bootz-y := vmlinuz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) bootz-y += vmlinuz.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) bootz-y += vmlinuz.ecoff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) bootz-y += vmlinuz.srec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) bootz-y += uzImage.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) # convert to ECOFF using elf2ecoff.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) quiet_cmd_32 = OBJCOPY $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) vmlinux.32: vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) $(call cmd,32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) # ELF files from 32-bit files by conversion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) quiet_cmd_64 = OBJCOPY $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) vmlinux.64: vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) $(call cmd,64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) all: $(all-y) $(KBUILD_DTBS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) # boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) $(boot-y): $(vmlinux-32) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) $(bootvars-y) arch/mips/boot/$@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) ifdef CONFIG_SYS_SUPPORTS_ZBOOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) # boot/compressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) $(bootz-y): $(vmlinux-32) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) vmlinuz: FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) /bin/false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) CLEAN_FILES += vmlinux.32 vmlinux.64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) # device-trees
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) core-y += arch/mips/boot/dts/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) archprepare:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ifdef CONFIG_MIPS32_N32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) @$(kecho) ' Checking missing-syscalls for N32'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) ifdef CONFIG_MIPS32_O32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) @$(kecho) ' Checking missing-syscalls for O32'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) install:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) ifdef CONFIG_SYS_SUPPORTS_ZBOOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) archclean:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) $(Q)$(MAKE) $(clean)=arch/mips/boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) $(Q)$(MAKE) $(clean)=arch/mips/boot/tools
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) archheaders:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) define archhelp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) echo ' install - install kernel into $(INSTALL_PATH)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) echo ' vmlinux.ecoff - ECOFF boot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) echo ' vmlinux.bin - Raw binary boot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) echo ' vmlinux.srec - SREC boot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) echo ' vmlinuz - Compressed boot(zboot) image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) echo ' vmlinuz.ecoff - ECOFF zboot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) echo ' vmlinuz.bin - Raw binary zboot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) echo ' vmlinuz.srec - SREC zboot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) echo ' uImage - U-Boot image'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) echo ' uImage.bin - U-Boot image (uncompressed)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) echo ' uImage.bz2 - U-Boot image (bz2)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) echo ' uImage.gz - U-Boot image (gzip)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) echo ' uImage.lzma - U-Boot image (lzma)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) echo ' uImage.lzo - U-Boot image (lzo)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) echo ' uzImage.bin - U-Boot image (self-extracting)'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) echo ' These will be default as appropriate for a configured platform.'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) echo ' If you are targeting a system supported by generic kernels you may'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) echo ' configure the kernel for a given architecture target like so:'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) echo ' Where BOARDS is some subset of the following:'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) for board in $(sort $(BOARDS)); do echo " $${board}"; done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) echo ' Specifically the following generic default configurations are'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) echo ' supported:'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) $(foreach cfg,$(generic_defconfigs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) echo ' The following legacy default configurations have been converted to'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) echo ' generic and can still be used:'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) $(foreach cfg,$(sort $(legacy_defconfigs)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) echo ' Otherwise, the following default configurations are available:'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) generic_defconfigs :=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) # If the user generates a generic kernel configuration without specifying a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) # list of boards to include the config fragments for, default to including all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) # available board config fragments.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) ifeq ($(BOARDS),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) # Generic kernel configurations which merge generic_defconfig with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) # appropriate config fragments from arch/mips/configs/generic/, resulting in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) # the ability to easily configure the kernel for a given architecture,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) # endianness & set of boards without duplicating the needed configuration in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) # hundreds of defconfig files.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) define gen_generic_defconfigs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) target := $(bits)$(rev)$(filter el,$(endian))_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) generic_defconfigs += $$(target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) $$(target): $(generic_config_dir)/$(bits)$(rev).config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) $$(target): $(generic_config_dir)/$(endian).config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) )))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) define describe_generic_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) .PHONY: $(generic_defconfigs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) $(generic_defconfigs):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) grep -Ev '^#'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) "$(origin BOARDS)" $(BOARDS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) # Prevent generic merge_config rules attempting to merge single fragments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) $(generic_config_dir)/%.config: ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) # Prevent direct use of generic_defconfig, which is intended to be used as the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) # basis of the various ISA-specific targets generated above.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) .PHONY: generic_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) generic_defconfig:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) $(Q)echo "used via an ISA-specific target from the following list:"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) $(Q)echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) $(Q)echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) $(Q)false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) # Legacy defconfig compatibility - these targets used to be real defconfigs but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) # now that the boards have been converted to use the generic kernel they are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) # wrappers around the generic rules above.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) legacy_defconfigs += ocelot_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) legacy_defconfigs += sead3_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) legacy_defconfigs += sead3micro_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) legacy_defconfigs += xilfpga_defconfig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) .PHONY: $(legacy_defconfigs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) $(legacy_defconfigs):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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