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>

diff --git a/arch/mips/config.mk b/arch/mips/config.mk
index 52e28f2ca5cc7e4fc16dd06e21bb251b0f824eb7..415ec8afd2d7016f7d87379a1ab491a3907644e9 100644 (file)
--- 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)