microblaze: drop remnants of manual reloc
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>
Link: https://lore.kernel.org/r/20230311173838.521804-5-ovpanait@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/arch/microblaze/cpu/Makefile b/arch/microblaze/cpu/Makefile
index 1c586a7..b8c1dcb 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 7079d9e..c1e0fcd 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 @@
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 */
@@ -68,7 +62,6 @@
brlid r15, mb_fix_rela
nop
#endif
-#endif
addi r1, r1, -4 /* Decrement SP to top of memory */
@@ -310,7 +303,6 @@
brlid r15, __setup_exceptions
nop
-#if defined(CONFIG_STATIC_RELA)
/* reloc_offset is current location */
SYM_ADDR(r10, r0, _start)
@@ -331,27 +323,7 @@
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