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 ---
arch/mips/config.mk | 18 ++++++++++++++---- 1 file 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)