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authorAnton Blanchard <anton@samba.org>2014-02-04 16:04:35 +1100
committerAnton Blanchard <anton@samba.org>2014-04-23 10:05:16 +1000
commitb1576fec7f4dd4657694fefc97fda4cf28ec68e9 (patch)
tree5cb6a303ba74429260ecb200f454172e385b8593 /arch/powerpc/kernel/head_64.S
parent58aedccb1907f05f702f0f6d8f8a57e8efe485b7 (diff)
powerpc: No need to use dot symbols when branching to a function
binutils is smart enough to know that a branch to a function descriptor is actually a branch to the functions text address. Alan tells me that binutils has been doing this for 9 years. Signed-off-by: Anton Blanchard <anton@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
-rw-r--r--arch/powerpc/kernel/head_64.S66
1 files changed, 33 insertions, 33 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index b7363bd42452..afcfd631bf7f 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -70,7 +70,7 @@ _GLOBAL(__start)
/* NOP this out unconditionally */
BEGIN_FTR_SECTION
FIXUP_ENDIAN
- b .__start_initialization_multiplatform
+ b __start_initialization_multiplatform
END_FTR_SECTION(0, 1)
/* Catch branch to 0 in real mode */
@@ -186,16 +186,16 @@ _GLOBAL(generic_secondary_thread_init)
mr r24,r3
/* turn on 64-bit mode */
- bl .enable_64b_mode
+ bl enable_64b_mode
/* get a valid TOC pointer, wherever we're mapped at */
- bl .relative_toc
+ bl relative_toc
tovirt(r2,r2)
#ifdef CONFIG_PPC_BOOK3E
/* Book3E initialization */
mr r3,r24
- bl .book3e_secondary_thread_init
+ bl book3e_secondary_thread_init
#endif
b generic_secondary_common_init
@@ -214,17 +214,17 @@ _GLOBAL(generic_secondary_smp_init)
mr r25,r4
/* turn on 64-bit mode */
- bl .enable_64b_mode
+ bl enable_64b_mode
/* get a valid TOC pointer, wherever we're mapped at */
- bl .relative_toc
+ bl relative_toc
tovirt(r2,r2)
#ifdef CONFIG_PPC_BOOK3E
/* Book3E initialization */
mr r3,r24
mr r4,r25
- bl .book3e_secondary_core_init
+ bl book3e_secondary_core_init
#endif
generic_secondary_common_init:
@@ -236,7 +236,7 @@ generic_secondary_common_init:
ld r13,0(r13) /* Get base vaddr of paca array */
#ifndef CONFIG_SMP
addi r13,r13,PACA_SIZE /* know r13 if used accidentally */
- b .kexec_wait /* wait for next kernel if !SMP */
+ b kexec_wait /* wait for next kernel if !SMP */
#else
LOAD_REG_ADDR(r7, nr_cpu_ids) /* Load nr_cpu_ids address */
lwz r7,0(r7) /* also the max paca allocated */
@@ -250,7 +250,7 @@ generic_secondary_common_init:
blt 1b
mr r3,r24 /* not found, copy phys to r3 */
- b .kexec_wait /* next kernel might do better */
+ b kexec_wait /* next kernel might do better */
2: SET_PACA(r13)
#ifdef CONFIG_PPC_BOOK3E
@@ -326,10 +326,10 @@ _STATIC(__mmu_off)
*/
_GLOBAL(__start_initialization_multiplatform)
/* Make sure we are running in 64 bits mode */
- bl .enable_64b_mode
+ bl enable_64b_mode
/* Get TOC pointer (current runtime address) */
- bl .relative_toc
+ bl relative_toc
/* find out where we are now */
bcl 20,31,$+4
@@ -342,7 +342,7 @@ _GLOBAL(__start_initialization_multiplatform)
*/
cmpldi cr0,r5,0
beq 1f
- b .__boot_from_prom /* yes -> prom */
+ b __boot_from_prom /* yes -> prom */
1:
/* Save parameters */
mr r31,r3
@@ -354,8 +354,8 @@ _GLOBAL(__start_initialization_multiplatform)
#endif
#ifdef CONFIG_PPC_BOOK3E
- bl .start_initialization_book3e
- b .__after_prom_start
+ bl start_initialization_book3e
+ b __after_prom_start
#else
/* Setup some critical 970 SPRs before switching MMU off */
mfspr r0,SPRN_PVR
@@ -368,12 +368,12 @@ _GLOBAL(__start_initialization_multiplatform)
beq 1f
cmpwi r0,0x45 /* 970GX */
bne 2f
-1: bl .__cpu_preinit_ppc970
+1: bl __cpu_preinit_ppc970
2:
/* Switch off MMU if not already off */
- bl .__mmu_off
- b .__after_prom_start
+ bl __mmu_off
+ b __after_prom_start
#endif /* CONFIG_PPC_BOOK3E */
_INIT_STATIC(__boot_from_prom)
@@ -395,7 +395,7 @@ _INIT_STATIC(__boot_from_prom)
#ifdef CONFIG_RELOCATABLE
/* Relocate code for where we are now */
mr r3,r26
- bl .relocate
+ bl relocate
#endif
/* Restore parameters */
@@ -407,7 +407,7 @@ _INIT_STATIC(__boot_from_prom)
/* Do all of the interaction with OF client interface */
mr r8,r26
- bl .prom_init
+ bl prom_init
#endif /* #CONFIG_PPC_OF_BOOT_TRAMPOLINE */
/* We never return. We also hit that trap if trying to boot
@@ -424,7 +424,7 @@ _STATIC(__after_prom_start)
bne 1f
add r25,r25,r26
1: mr r3,r25
- bl .relocate
+ bl relocate
#endif
/*
@@ -464,7 +464,7 @@ _STATIC(__after_prom_start)
lis r5,(copy_to_here - _stext)@ha
addi r5,r5,(copy_to_here - _stext)@l /* # bytes of memory to copy */
- bl .copy_and_flush /* copy the first n bytes */
+ bl copy_and_flush /* copy the first n bytes */
/* this includes the code being */
/* executed here. */
addis r8,r3,(4f - _stext)@ha /* Jump to the copy of this code */
@@ -478,9 +478,9 @@ p_end: .llong _end - _stext
4: /* Now copy the rest of the kernel up to _end */
addis r5,r26,(p_end - _stext)@ha
ld r5,(p_end - _stext)@l(r5) /* get _end */
-5: bl .copy_and_flush /* copy the rest */
+5: bl copy_and_flush /* copy the rest */
-9: b .start_here_multiplatform
+9: b start_here_multiplatform
/*
* Copy routine used to copy the kernel to start at physical address 0
@@ -544,7 +544,7 @@ __secondary_start_pmac_0:
_GLOBAL(pmac_secondary_start)
/* turn on 64-bit mode */
- bl .enable_64b_mode
+ bl enable_64b_mode
li r0,0
mfspr r3,SPRN_HID4
@@ -556,11 +556,11 @@ _GLOBAL(pmac_secondary_start)
slbia
/* get TOC pointer (real address) */
- bl .relative_toc
+ bl relative_toc
tovirt(r2,r2)
/* Copy some CPU settings from CPU 0 */
- bl .__restore_cpu_ppc970
+ bl __restore_cpu_ppc970
/* pSeries do that early though I don't think we really need it */
mfmsr r3
@@ -619,7 +619,7 @@ __secondary_start:
std r14,PACAKSAVE(r13)
/* Do early setup for that CPU (stab, slb, hash table pointer) */
- bl .early_setup_secondary
+ bl early_setup_secondary
/*
* setup the new stack pointer, but *don't* use this until
@@ -656,7 +656,7 @@ _GLOBAL(start_secondary_prolog)
ld r2,PACATOC(r13)
li r3,0
std r3,0(r1) /* Zero the stack frame pointer */
- bl .start_secondary
+ bl start_secondary
b .
/*
* Reset stack pointer and call start_secondary
@@ -667,7 +667,7 @@ _GLOBAL(start_secondary_resume)
ld r1,PACAKSAVE(r13) /* Reload kernel stack pointer */
li r3,0
std r3,0(r1) /* Zero the stack frame pointer */
- bl .start_secondary
+ bl start_secondary
b .
#endif
@@ -717,7 +717,7 @@ p_toc: .llong __toc_start + 0x8000 - 0b
*/
_INIT_STATIC(start_here_multiplatform)
/* set up the TOC */
- bl .relative_toc
+ bl relative_toc
tovirt(r2,r2)
/* Clear out the BSS. It may have been done in prom_init,
@@ -776,7 +776,7 @@ _INIT_STATIC(start_here_multiplatform)
/* Restore parameters passed from prom_init/kexec */
mr r3,r31
- bl .early_setup /* also sets r13 and SPRG_PACA */
+ bl early_setup /* also sets r13 and SPRG_PACA */
LOAD_REG_ADDR(r3, .start_here_common)
ld r4,PACAKMSR(r13)
@@ -794,7 +794,7 @@ _INIT_GLOBAL(start_here_common)
ld r2,PACATOC(r13)
/* Do more system initializations in virtual mode */
- bl .setup_system
+ bl setup_system
/* Mark interrupts soft and hard disabled (they might be enabled
* in the PACA when doing hotplug)
@@ -805,7 +805,7 @@ _INIT_GLOBAL(start_here_common)
stb r0,PACAIRQHAPPENED(r13)
/* Generic kernel entry */
- bl .start_kernel
+ bl start_kernel
/* Not reached */
BUG_OPCODE