add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/mips/Makefile
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@@ -13,6 +13,10 @@
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 #
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 archscripts: scripts_basic
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+	$(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
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+ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
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+	$(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
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+endif
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 	$(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
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 KBUILD_DEFCONFIG := 32r2el_defconfig
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@@ -112,33 +116,8 @@
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 cflags-y += -ffreestanding
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-#
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-# We explicitly add the endianness specifier if needed, this allows
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-# to compile kernels with a toolchain for the other endianness. We
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-# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
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-# when fed the toolchain default!
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-#
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-# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
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-# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
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-# are used, so we kludge that here.  A bug has been filed at
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-# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
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-#
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-# clang doesn't suffer from these issues and our checks against -dumpmachine
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-# don't work so well when cross compiling, since without providing --target
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-# clang's output will be based upon the build machine. So for clang we simply
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-# unconditionally specify -EB or -EL as appropriate.
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-#
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-ifeq ($(cc-name),clang)
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 cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -EB
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 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -EL
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-else
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-undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
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-undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
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-predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
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-predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
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-cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
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-cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
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-endif
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 cflags-$(CONFIG_SB1XXX_CORELIS)	+= $(call cc-option,-mno-sched-prolog) \
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 				   -fno-omit-frame-pointer
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@@ -157,24 +136,43 @@
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 #
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 cflags-y += -fno-stack-check
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+# binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
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+# supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
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+# instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
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+# for a description).
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+#
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+# We disable this in order to prevent the assembler meddling with the
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+# instruction that labels refer to, ie. if we label an ll instruction:
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+#
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+# 1: ll v0, 0(a0)
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+#
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+# ...then with the assembler fix applied the label may actually point at a sync
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+# instruction inserted by the assembler, and if we were using the label in an
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+# exception table the table would no longer contain the address of the ll
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+# instruction.
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+#
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+# Avoid this by explicitly disabling that assembler behaviour.
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+#
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+cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
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+
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 #
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 # CPU-dependent compiler/assembler options for optimization.
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 #
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 cflags-$(CONFIG_CPU_R3000)	+= -march=r3000
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 cflags-$(CONFIG_CPU_TX39XX)	+= -march=r3900
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-cflags-$(CONFIG_CPU_R4300)	+= -march=r4300 -Wa,--trap
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 cflags-$(CONFIG_CPU_VR41XX)	+= -march=r4100 -Wa,--trap
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 cflags-$(CONFIG_CPU_R4X00)	+= -march=r4600 -Wa,--trap
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 cflags-$(CONFIG_CPU_TX49XX)	+= -march=r4600 -Wa,--trap
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 cflags-$(CONFIG_CPU_MIPS32_R1)	+= -march=mips32 -Wa,--trap
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 cflags-$(CONFIG_CPU_MIPS32_R2)	+= -march=mips32r2 -Wa,--trap
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+cflags-$(CONFIG_CPU_MIPS32_R5)	+= -march=mips32r5 -Wa,--trap -modd-spreg
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 cflags-$(CONFIG_CPU_MIPS32_R6)	+= -march=mips32r6 -Wa,--trap -modd-spreg
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 cflags-$(CONFIG_CPU_MIPS64_R1)	+= -march=mips64 -Wa,--trap
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 cflags-$(CONFIG_CPU_MIPS64_R2)	+= -march=mips64r2 -Wa,--trap
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+cflags-$(CONFIG_CPU_MIPS64_R5)	+= -march=mips64r5 -Wa,--trap
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 cflags-$(CONFIG_CPU_MIPS64_R6)	+= -march=mips64r6 -Wa,--trap
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+cflags-$(CONFIG_CPU_P5600)	+= -march=p5600 -Wa,--trap -modd-spreg
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 cflags-$(CONFIG_CPU_R5000)	+= -march=r5000 -Wa,--trap
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-cflags-$(CONFIG_CPU_R5432)	+= $(call cc-option,-march=r5400,-march=r5000) \
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-			-Wa,--trap
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 cflags-$(CONFIG_CPU_R5500)	+= $(call cc-option,-march=r5500,-march=r5000) \
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 			-Wa,--trap
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 cflags-$(CONFIG_CPU_NEVADA)	+= $(call cc-option,-march=rm5200,-march=r5000) \
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@@ -185,7 +183,6 @@
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 			-Wa,--trap
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 cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-mno-mdmx)
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 cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-mno-mips3d)
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-cflags-$(CONFIG_CPU_R8000)	+= -march=r8000 -Wa,--trap
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 cflags-$(CONFIG_CPU_R10000)	+= $(call cc-option,-march=r10000,-march=r8000) \
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 			-Wa,--trap
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 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
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@@ -231,6 +228,10 @@
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 cflags-$(toolchain-xpa)			+= -DTOOLCHAIN_SUPPORTS_XPA
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 toolchain-crc				:= $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
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 cflags-$(toolchain-crc)			+= -DTOOLCHAIN_SUPPORTS_CRC
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+toolchain-dsp				:= $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
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+cflags-$(toolchain-dsp)			+= -DTOOLCHAIN_SUPPORTS_DSP
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+toolchain-ginv				:= $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
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+cflags-$(toolchain-ginv)		+= -DTOOLCHAIN_SUPPORTS_GINV
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 #
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 # Firmware support
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@@ -258,13 +259,7 @@
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 load-y					= $(CONFIG_PHYSICAL_START)
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 endif
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-# Sign-extend the entry point to 64 bits if retrieved as a 32-bit number.
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-entry-y		= $(shell $(OBJDUMP) -f vmlinux 2>/dev/null \
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-			| sed -n '/^start address / { \
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-				s/^.* //; \
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-				s/0x\([0-7].......\)$$/0x00000000\1/; \
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-				s/0x\(........\)$$/0xffffffff\1/; p }')
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-
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+entry-y				= $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
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 cflags-y			+= -I$(srctree)/arch/mips/include/asm/mach-generic
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 drivers-$(CONFIG_PCI)		+= arch/mips/pci/
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@@ -334,7 +329,7 @@
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 head-y := arch/mips/kernel/head.o
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 libs-y			+= arch/mips/lib/
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-libs-y			+= arch/mips/math-emu/
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+libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
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 # See arch/mips/Kbuild for content of core part of the kernel
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 core-y += arch/mips/
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@@ -370,12 +365,6 @@
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 bootz-y			+= vmlinuz.srec
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 ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
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 bootz-y			+= uzImage.bin
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-endif
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-
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-ifdef CONFIG_LASAT
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-rom.bin rom.sw: vmlinux
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-	$(Q)$(MAKE) $(build)=arch/mips/lasat/image \
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-		$(bootvars-y) $@
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 endif
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 #
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@@ -419,18 +408,7 @@
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 CLEAN_FILES += vmlinux.32 vmlinux.64
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 # device-trees
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-core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
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-
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-%.dtb %.dtb.S %.dtb.o: | scripts
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-	$(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
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-
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-PHONY += dtbs
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-dtbs: scripts
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-	$(Q)$(MAKE) $(build)=arch/mips/boot/dts
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-
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-PHONY += dtbs_install
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-dtbs_install:
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-	$(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
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+core-y += arch/mips/boot/dts/
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 archprepare:
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 ifdef CONFIG_MIPS32_N32
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@@ -454,7 +432,9 @@
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 	$(Q)$(MAKE) $(clean)=arch/mips/boot
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 	$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
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 	$(Q)$(MAKE) $(clean)=arch/mips/boot/tools
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-	$(Q)$(MAKE) $(clean)=arch/mips/lasat
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+
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+archheaders:
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+	$(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
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 define archhelp
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 	echo '  install              - install kernel into $(INSTALL_PATH)'
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@@ -473,8 +453,6 @@
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 	echo '  uImage.lzma          - U-Boot image (lzma)'
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 	echo '  uImage.lzo           - U-Boot image (lzo)'
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 	echo '  uzImage.bin          - U-Boot image (self-extracting)'
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-	echo '  dtbs                 - Device-tree blobs for enabled boards'
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-	echo '  dtbs_install         - Install dtbs to $(INSTALL_DTBS_PATH)'
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 	echo
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 	echo '  These will be default as appropriate for a configured platform.'
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 	echo