[PATCH v2 6/9] arm64: assembler: Change order of macro arguments in phys_to_ttbr

[Will Deacon]

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 at arm.com>
Signed-off-by: Will Deacon <will.deacon at arm.com>
---
 arch/arm64/include/asm/assembler.h | 2 +-
 arch/arm64/kernel/head.S           | 4 ++--
 arch/arm64/kernel/hibernate-asm.S  | 4 ++--
 arch/arm64/kvm/hyp-init.S          | 2 +-
 arch/arm64/mm/proc.S               | 6 +++---
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 23251eae6e8a..e4495ef96058 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -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
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index ba3ab04788dc..341649c08337 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -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
diff --git a/arch/arm64/kernel/hibernate-asm.S b/arch/arm64/kernel/hibernate-asm.S
index 84f5d52fddda..dd14ab8c9f72 100644
--- a/arch/arm64/kernel/hibernate-asm.S
+++ b/arch/arm64/kernel/hibernate-asm.S
@@ -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
diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S
index e086c6eff8c6..5aa9ccf6db99 100644
--- a/arch/arm64/kvm/hyp-init.S
+++ b/arch/arm64/kvm/hyp-init.S
@@ -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
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index ab8660eb55ca..cfd22ba9b510 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -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
 
-- 
2.1.4