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| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/mips/config.mk | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/mips/config.mk')
| -rw-r--r-- | roms/u-boot/arch/mips/config.mk | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/config.mk b/roms/u-boot/arch/mips/config.mk new file mode 100644 index 000000000..faf4129ac --- /dev/null +++ b/roms/u-boot/arch/mips/config.mk @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. + +ifdef CONFIG_SYS_BIG_ENDIAN +32bit-emul := elf32btsmip +64bit-emul := elf64btsmip +32bit-bfd := elf32-tradbigmips +64bit-bfd := elf64-tradbigmips +PLATFORM_CPPFLAGS += -EB +KBUILD_LDFLAGS += -EB +endif + +ifdef CONFIG_SYS_LITTLE_ENDIAN +32bit-emul := elf32ltsmip +64bit-emul := elf64ltsmip +32bit-bfd := elf32-tradlittlemips +64bit-bfd := elf64-tradlittlemips +PLATFORM_CPPFLAGS += -EL +KBUILD_LDFLAGS += -EL +endif + +ifdef CONFIG_32BIT +PLATFORM_CPPFLAGS += -mabi=32 +KBUILD_LDFLAGS += -m $(32bit-emul) +OBJCOPYFLAGS += -O $(32bit-bfd) +CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 +endif + +ifdef CONFIG_64BIT +PLATFORM_CPPFLAGS += -mabi=64 +KBUILD_LDFLAGS += -m$(64bit-emul) +OBJCOPYFLAGS += -O $(64bit-bfd) +CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000 +endif + +PLATFORM_CPPFLAGS += -D__MIPS__ +PLATFORM_ELFFLAGS += -B mips $(OBJCOPYFLAGS) + +# +# From Linux arch/mips/Makefile +# +# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel +# code since it only slows down the whole thing. At some point we might make +# use of global pointer optimizations but their use of $28 conflicts with +# the current pointer optimization. +# +# The DECStation requires an ECOFF kernel for remote booting, other MIPS +# machines may also. Since BFD is incredibly buggy with respect to +# crossformat linking we rely on the elf2ecoff tool for format conversion. +# +# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe +# cflags-y += -msoft-float +# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib +# MODFLAGS += -mlong-calls +# +ifndef CONFIG_SPL_BUILD +OBJCOPYFLAGS += -j .data.reloc -j .dtb.init.rodata +LDFLAGS_FINAL += --emit-relocs +endif + +PLATFORM_CPPFLAGS += -G 0 -mno-abicalls -fno-pic +PLATFORM_CPPFLAGS += -msoft-float +KBUILD_LDFLAGS += -G 0 -static -n -nostdlib +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections +LDFLAGS_FINAL += --gc-sections +OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list + +LDFLAGS_STANDALONE += --gc-sections |