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arm64: assembler: Change order of macro arguments in phys_to_ttbr

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Since AArch64 assembly instructions take the destination register as
their first operand, do the same thing for the phys_to_ttbr macro.

Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Will Deacon 2018-01-29 11:59:57 +00:00 committed by Catalin Marinas
parent 6dc52b15c4
commit fa0465fc07
5 changed files with 9 additions and 9 deletions
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2
arch/arm64/include/asm/assembler.h
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@ -514,7 +514,7 @@ alternative_endif
* phys: physical address, preserved
* ttbr: returns the TTBR value
*/
.macro phys_to_ttbr, phys, ttbr
.macro phys_to_ttbr, ttbr, phys
#ifdef CONFIG_ARM64_PA_BITS_52
orr \ttbr, \phys, \phys, lsr #46
and \ttbr, \ttbr, #TTBR_BADDR_MASK_52

4
arch/arm64/kernel/head.S
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@ -776,8 +776,8 @@ ENTRY(__enable_mmu)
update_early_cpu_boot_status 0, x1, x2
adrp x1, idmap_pg_dir
adrp x2, swapper_pg_dir
phys_to_ttbr x1, x3
phys_to_ttbr x2, x4
phys_to_ttbr x3, x1
phys_to_ttbr x4, x2
msr ttbr0_el1, x3 // load TTBR0
msr ttbr1_el1, x4 // load TTBR1
isb

4
arch/arm64/kernel/hibernate-asm.S
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@ -34,12 +34,12 @@
* each stage of the walk.
*/
.macro break_before_make_ttbr_switch zero_page, page_table, tmp
phys_to_ttbr \zero_page, \tmp
phys_to_ttbr \tmp, \zero_page
msr ttbr1_el1, \tmp
isb
tlbi vmalle1
dsb nsh
phys_to_ttbr \page_table, \tmp
phys_to_ttbr \tmp, \page_table
msr ttbr1_el1, \tmp
isb
.endm

2
arch/arm64/kvm/hyp-init.S
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@ -63,7 +63,7 @@ __do_hyp_init:
cmp x0, #HVC_STUB_HCALL_NR
b.lo __kvm_handle_stub_hvc
phys_to_ttbr x0, x4
phys_to_ttbr x4, x0
msr ttbr0_el2, x4
mrs x4, tcr_el1

6
arch/arm64/mm/proc.S
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@ -153,7 +153,7 @@ ENDPROC(cpu_do_resume)
ENTRY(cpu_do_switch_mm)
mrs x2, ttbr1_el1
mmid x1, x1 // get mm->context.id
phys_to_ttbr x0, x3
phys_to_ttbr x3, x0
#ifdef CONFIG_ARM64_SW_TTBR0_PAN
bfi x3, x1, #48, #16 // set the ASID field in TTBR0
#endif
@ -169,7 +169,7 @@ ENDPROC(cpu_do_switch_mm)
.macro __idmap_cpu_set_reserved_ttbr1, tmp1, tmp2
adrp \tmp1, empty_zero_page
phys_to_ttbr \tmp1, \tmp2
phys_to_ttbr \tmp2, \tmp1
msr ttbr1_el1, \tmp2
isb
tlbi vmalle1
@ -188,7 +188,7 @@ ENTRY(idmap_cpu_replace_ttbr1)
__idmap_cpu_set_reserved_ttbr1 x1, x3
phys_to_ttbr x0, x3
phys_to_ttbr x3, x0
msr ttbr1_el1, x3
isb