Runtime relocation has been made the default for microblaze, so do the following cleanups: - drop all manual reloc codepaths in start.S - drop all STATIC_RELA ifdefs, as it is now enabled unconditionally in Kconfig
Reviewed-by: Michal Simek michal.simek@amd.com Signed-off-by: Ovidiu Panait ovpanait@gmail.com ---
(no changes since v1)
arch/microblaze/config.mk | 4 ---- arch/microblaze/cpu/Makefile | 3 +-- arch/microblaze/cpu/start.S | 28 ---------------------------- 3 files changed, 1 insertion(+), 34 deletions(-)
diff --git a/arch/microblaze/config.mk b/arch/microblaze/config.mk index 467c5ca1b1..64c3f31319 100644 --- a/arch/microblaze/config.mk +++ b/arch/microblaze/config.mk @@ -13,10 +13,6 @@ LDFLAGS_FINAL += --gc-sections
ifeq ($(CONFIG_SPL_BUILD),) PLATFORM_CPPFLAGS += -fPIC -endif - -ifeq ($(CONFIG_STATIC_RELA),y) -PLATFORM_CPPFLAGS += -fPIC LDFLAGS_u-boot += -pic endif
diff --git a/arch/microblaze/cpu/Makefile b/arch/microblaze/cpu/Makefile index 1c586a7de0..b8c1dcbe14 100644 --- a/arch/microblaze/cpu/Makefile +++ b/arch/microblaze/cpu/Makefile @@ -5,7 +5,6 @@
extra-y = start.o obj-y = irq.o -obj-y += interrupts.o cache.o exception.o cpuinfo.o -obj-$(CONFIG_STATIC_RELA) += relocate.o +obj-y += interrupts.o cache.o exception.o cpuinfo.o relocate.o obj-$(CONFIG_XILINX_MICROBLAZE0_PVR) += pvr.o obj-$(CONFIG_SPL_BUILD) += spl.o diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S index 7079d9e170..c1e0fcda0a 100644 --- a/arch/microblaze/cpu/start.S +++ b/arch/microblaze/cpu/start.S @@ -10,16 +10,11 @@ #include <asm-offsets.h> #include <config.h>
-#if defined(CONFIG_STATIC_RELA) #define SYM_ADDR(reg, reg_add, symbol) \ mfs r20, rpc; \ addik r20, r20, _GLOBAL_OFFSET_TABLE_ + 8; \ lwi reg, r20, symbol@GOT; \ addk reg, reg reg_add; -#else -#define SYM_ADDR(reg, reg_add, symbol) \ - addi reg, reg_add, symbol -#endif
.text .global _start @@ -35,7 +30,6 @@ _start: addi r1, r0, CONFIG_SPL_STACK #else add r1, r0, r20 -#if defined(CONFIG_STATIC_RELA) bri 1f
/* Force alignment for easier ASM code below */ @@ -67,7 +61,6 @@ uboot_sym_start:
brlid r15, mb_fix_rela nop -#endif #endif
addi r1, r1, -4 /* Decrement SP to top of memory */ @@ -310,7 +303,6 @@ relocate_code: brlid r15, __setup_exceptions nop
-#if defined(CONFIG_STATIC_RELA) /* reloc_offset is current location */ SYM_ADDR(r10, r0, _start)
@@ -331,27 +323,7 @@ relocate_code: add r9, r9, r5 brlid r15, mb_fix_rela nop - /* end of code which does relocation */ -#else - /* Check if GOT exist */ - addik r21, r23, _got_start - addik r22, r23, _got_end - cmpu r12, r21, r22 - beqi r12, 2f /* No GOT table - jump over */ - - /* Skip last 3 entries plus 1 because of loop boundary below */ - addik r22, r22, -0x10 - - /* Relocate the GOT. */ -3: lw r12, r21, r0 /* Load entry */ - addk r12, r12, r23 /* Add reloc offset */ - sw r12, r21, r0 /* Save entry back */ - - cmpu r12, r21, r22 /* Check if this cross boundary */ - bneid r12, 3b - addik r21. r21, 4 -#endif
/* Flush caches to ensure consistency */ brlid r15, flush_cache_all