@@ -577,37 +577,28 @@ ENDPROC(fixup_smp)
*/
__HEAD
__fixup_pv_table:
- adr r0, 1f
- ldmia r0, {r3-r7}
+ adr_l r7, __pv_offset @ __pa(__pv_offset)
+ ldr r3, =__pv_offset @ __va(__pv_offset)
mvn ip, #0
- subs r3, r0, r3 @ PHYS_OFFSET - PAGE_OFFSET
- add r4, r4, r3 @ adjust table start address
- add r5, r5, r3 @ adjust table end address
- add r6, r6, r3 @ adjust __pv_phys_pfn_offset address
- add r7, r7, r3 @ adjust __pv_offset address
- mov r0, r8, lsr #PAGE_SHIFT @ convert to PFN
- str r0, [r6] @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
+ subs r3, r7, r3 @ PHYS_OFFSET - PAGE_OFFSET
+ mov r0, r8, lsr #PAGE_SHIFT @ convert to PFN
+ str_l r0, __pv_phys_pfn_offset, r6 @ save computed PHYS_OFFSET
strcc ip, [r7, #HIGH_OFFSET] @ save to __pv_offset high bits
mov r6, r3, lsr #24 @ constant for add/sub instructions
teq r3, r6, lsl #24 @ must be 16MiB aligned
THUMB( it ne @ cross section branch )
bne __error
str r3, [r7, #LOW_OFFSET] @ save to __pv_offset low bits
+
+ adr_l r4, __pv_table_begin
+ adr_l r5, __pv_table_end
b __fixup_a_pv_table
ENDPROC(__fixup_pv_table)
-
- .align
-1: .long .
- .long __pv_table_begin
- .long __pv_table_end
-2: .long __pv_phys_pfn_offset
- .long __pv_offset
+ .ltorg
.text
__fixup_a_pv_table:
- adr r0, 3f
- ldr r6, [r0]
- add r6, r6, r3
+ adr_l r6, __pv_offset
ldr r0, [r6, #HIGH_OFFSET] @ pv_offset high word
ldr r6, [r6, #LOW_OFFSET] @ pv_offset low word
mov r6, r6, lsr #24
@@ -675,9 +666,6 @@ ARM_BE8(rev16 ip, ip)
#endif
ENDPROC(__fixup_a_pv_table)
- .align
-3: .long __pv_offset
-
ENTRY(fixup_pv_table)
stmfd sp!, {r4 - r7, lr}
mov r3, #0 @ no offset
Replace the open coded PC relative offset calculations with adr_l, ldr_l and str_l invocations. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- arch/arm/kernel/head.S | 32 ++++++-------------- 1 file changed, 10 insertions(+), 22 deletions(-) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel