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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-12-19 20:20:47 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2016-01-16 21:06:45 +0100 |
| commit | e92d9124f8c398405af51aa0bb0277e2dfc68b3d (patch) | |
| tree | 07f44f7f836b9aae0163abd8d86232737200fbff | |
| parent | 5b6f357fe73a3fab11870cceeac5f2fecd6d7e02 (diff) | |
| download | u-boot-imx-e92d9124f8c398405af51aa0bb0277e2dfc68b3d.zip u-boot-imx-e92d9124f8c398405af51aa0bb0277e2dfc68b3d.tar.gz u-boot-imx-e92d9124f8c398405af51aa0bb0277e2dfc68b3d.tar.bz2 | |
MIPS: do not build position-independent executables for SPL
SPL binaries are usually linked to a fixed address in SRAM.
Furthermore SPL binaries do not need to relocate itself. Thus
do not build them as position-independent binaries which helps
to largely reduce the size of SPL binaries.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
| -rw-r--r-- | arch/mips/config.mk | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/mips/config.mk b/arch/mips/config.mk index 52e28f2..415ec8a 100644 --- a/arch/mips/config.mk +++ b/arch/mips/config.mk @@ -63,10 +63,20 @@ PLATFORM_CPPFLAGS += -D__MIPS__ # On the other hand, we want PIC in the U-Boot code to relocate it from ROM # to RAM. $28 is always used as gp. # -PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic +ifdef CONFIG_SPL_BUILD +PF_ABICALLS := -mno-abicalls +PF_PIC := -fno-pic +PF_PIE := +else +PF_ABICALLS := -mabicalls +PF_PIC := -fpic +PF_PIE := -pie +PF_OBJCOPY := -j .got -j .u_boot_list -j .rel.dyn -j .padding +endif + +PLATFORM_CPPFLAGS += -G 0 $(PF_ABICALLS) $(PF_PIC) PLATFORM_CPPFLAGS += -msoft-float PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections -LDFLAGS_FINAL += --gc-sections -pie -OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .got -OBJCOPYFLAGS += -j .u_boot_list -j .rel.dyn -j .padding +LDFLAGS_FINAL += --gc-sections $(PF_PIE) +OBJCOPYFLAGS += -j .text -j .rodata -j .data $(PF_OBJCOPY) |