Remove partially qualified asm helper functions

Each ARM Trusted Firmware image should know in which EL it is running
and it should use the corresponding register directly instead of reading
currentEL and knowing which asm register to read/write

Change-Id: Ief35630190b6f07c8fbb7ba6cb20db308f002945

1 files changed, 0 insertions, 318 deletions

diff --git a/lib/arch/aarch64/sysreg_helpers.S b/lib/arch/aarch64/sysreg_helpers.S
index 6650419..dfd0f2f 100644
--- a/lib/arch/aarch64/sysreg_helpers.S
+++ b/lib/arch/aarch64/sysreg_helpers.S
@@ -30,127 +30,99 @@
 
 #include <arch_helpers.h>
 
-	.globl	read_vbar
 	.globl	read_vbar_el1
 	.globl	read_vbar_el2
 	.globl	read_vbar_el3
-	.globl	write_vbar
 	.globl	write_vbar_el1
 	.globl	write_vbar_el2
 	.globl	write_vbar_el3
 
-	.globl	read_sctlr
 	.globl	read_sctlr_el1
 	.globl	read_sctlr_el2
 	.globl	read_sctlr_el3
-	.globl	write_sctlr
 	.globl	write_sctlr_el1
 	.globl	write_sctlr_el2
 	.globl	write_sctlr_el3
 
-	.globl	read_actlr
 	.globl	read_actlr_el1
 	.globl	read_actlr_el2
 	.globl	read_actlr_el3
-	.globl	write_actlr
 	.globl	write_actlr_el1
 	.globl	write_actlr_el2
 	.globl	write_actlr_el3
 
-	.globl	read_esr
 	.globl	read_esr_el1
 	.globl	read_esr_el2
 	.globl	read_esr_el3
-	.globl	write_esr
 	.globl	write_esr_el1
 	.globl	write_esr_el2
 	.globl	write_esr_el3
 
-	.globl	read_afsr0
 	.globl	read_afsr0_el1
 	.globl	read_afsr0_el2
 	.globl	read_afsr0_el3
-	.globl	write_afsr0
 	.globl	write_afsr0_el1
 	.globl	write_afsr0_el2
 	.globl	write_afsr0_el3
 
-	.globl	read_afsr1
 	.globl	read_afsr1_el1
 	.globl	read_afsr1_el2
 	.globl	read_afsr1_el3
-	.globl	write_afsr1
 	.globl	write_afsr1_el1
 	.globl	write_afsr1_el2
 	.globl	write_afsr1_el3
 
-	.globl	read_far
 	.globl	read_far_el1
 	.globl	read_far_el2
 	.globl	read_far_el3
-	.globl	write_far
 	.globl	write_far_el1
 	.globl	write_far_el2
 	.globl	write_far_el3
 
-	.globl	read_mair
 	.globl	read_mair_el1
 	.globl	read_mair_el2
 	.globl	read_mair_el3
-	.globl	write_mair
 	.globl	write_mair_el1
 	.globl	write_mair_el2
 	.globl	write_mair_el3
 
-	.globl	read_amair
 	.globl	read_amair_el1
 	.globl	read_amair_el2
 	.globl	read_amair_el3
-	.globl	write_amair
 	.globl	write_amair_el1
 	.globl	write_amair_el2
 	.globl	write_amair_el3
 
-	.globl	read_rvbar
 	.globl	read_rvbar_el1
 	.globl	read_rvbar_el2
 	.globl	read_rvbar_el3
 
-	.globl	read_rmr
 	.globl	read_rmr_el1
 	.globl	read_rmr_el2
 	.globl	read_rmr_el3
-	.globl	write_rmr
 	.globl	write_rmr_el1
 	.globl	write_rmr_el2
 	.globl	write_rmr_el3
 
-	.globl	read_tcr
 	.globl	read_tcr_el1
 	.globl	read_tcr_el2
 	.globl	read_tcr_el3
-	.globl	write_tcr
 	.globl	write_tcr_el1
 	.globl	write_tcr_el2
 	.globl	write_tcr_el3
 
-	.globl	read_cptr
 	.globl	read_cptr_el2
 	.globl	read_cptr_el3
-	.globl	write_cptr
 	.globl	write_cptr_el2
 	.globl	write_cptr_el3
 
-	.globl	read_ttbr0
 	.globl	read_ttbr0_el1
 	.globl	read_ttbr0_el2
 	.globl	read_ttbr0_el3
-	.globl	write_ttbr0
 	.globl	write_ttbr0_el1
 	.globl	write_ttbr0_el2
 	.globl	write_ttbr0_el3
 
-	.globl	read_ttbr1
 	.globl	read_ttbr1_el1
 	.globl	read_ttbr1_el2
 	.globl	write_ttbr1
@@ -213,16 +185,6 @@ read_id_aa64pfr0_el1: ; .type read_id_aa64pfr0_el1, %function
 	 * VBAR accessors
 	 * -----------------------------------------------------
 	 */
-read_vbar: ; .type read_vbar, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_vbar_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_vbar_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_vbar_el3
-
-
 read_vbar_el1: ; .type read_vbar_el1, %function
 	mrs	x0, vbar_el1
 	ret
@@ -238,16 +200,6 @@ read_vbar_el3: ; .type read_vbar_el3, %function
 	ret
 
 
-write_vbar: ; .type write_vbar, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_vbar_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_vbar_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_vbar_el3
-
-
 write_vbar_el1: ; .type write_vbar_el1, %function
 	msr	vbar_el1, x0
 	isb
@@ -270,16 +222,6 @@ write_vbar_el3: ; .type write_vbar_el3, %function
 	 * AFSR0 accessors
 	 * -----------------------------------------------------
 	 */
-read_afsr0: ; .type read_afsr0, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_afsr0_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_afsr0_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_afsr0_el3
-
-
 read_afsr0_el1: ; .type read_afsr0_el1, %function
 	mrs	x0, afsr0_el1
 	ret
@@ -295,16 +237,6 @@ read_afsr0_el3: ; .type read_afsr0_el3, %function
 	ret
 
 
-write_afsr0: ; .type write_afsr0, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_afsr0_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_afsr0_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_afsr0_el3
-
-
 write_afsr0_el1: ; .type write_afsr0_el1, %function
 	msr	afsr0_el1, x0
 	isb
@@ -327,16 +259,6 @@ write_afsr0_el3: ; .type write_afsr0_el3, %function
 	 * FAR accessors
 	 * -----------------------------------------------------
 	 */
-read_far: ; .type read_far, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_far_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_far_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_far_el3
-
-
 read_far_el1: ; .type read_far_el1, %function
 	mrs	x0, far_el1
 	ret
@@ -352,16 +274,6 @@ read_far_el3: ; .type read_far_el3, %function
 	ret
 
 
-write_far: ; .type write_far, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_far_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_far_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_far_el3
-
-
 write_far_el1: ; .type write_far_el1, %function
 	msr	far_el1, x0
 	isb
@@ -384,16 +296,6 @@ write_far_el3: ; .type write_far_el3, %function
 	 * MAIR accessors
 	 * -----------------------------------------------------
 	 */
-read_mair: ; .type read_mair, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_mair_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_mair_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_mair_el3
-
-
 read_mair_el1: ; .type read_mair_el1, %function
 	mrs	x0, mair_el1
 	ret
@@ -409,16 +311,6 @@ read_mair_el3: ; .type read_mair_el3, %function
 	ret
 
 
-write_mair: ; .type write_mair, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_mair_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_mair_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_mair_el3
-
-
 write_mair_el1: ; .type write_mair_el1, %function
 	msr	mair_el1, x0
 	isb
@@ -441,16 +333,6 @@ write_mair_el3: ; .type write_mair_el3, %function
 	 * AMAIR accessors
 	 * -----------------------------------------------------
 	 */
-read_amair: ; .type read_amair, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_amair_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_amair_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_amair_el3
-
-
 read_amair_el1: ; .type read_amair_el1, %function
 	mrs	x0, amair_el1
 	ret
@@ -466,16 +348,6 @@ read_amair_el3: ; .type read_amair_el3, %function
 	ret
 
 
-write_amair: ; .type write_amair, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_amair_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_amair_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_amair_el3
-
-
 write_amair_el1: ; .type write_amair_el1, %function
 	msr	amair_el1, x0
 	isb
@@ -498,16 +370,6 @@ write_amair_el3: ; .type write_amair_el3, %function
 	 * RVBAR accessors
 	 * -----------------------------------------------------
 	 */
-read_rvbar: ; .type read_rvbar, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_rvbar_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_rvbar_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_rvbar_el3
-
-
 read_rvbar_el1: ; .type read_rvbar_el1, %function
 	mrs	x0, rvbar_el1
 	ret
@@ -527,16 +389,6 @@ read_rvbar_el3: ; .type read_rvbar_el3, %function
 	 * RMR accessors
 	 * -----------------------------------------------------
 	 */
-read_rmr: ; .type read_rmr, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_rmr_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_rmr_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_rmr_el3
-
-
 read_rmr_el1: ; .type read_rmr_el1, %function
 	mrs	x0, rmr_el1
 	ret
@@ -552,16 +404,6 @@ read_rmr_el3: ; .type read_rmr_el3, %function
 	ret
 
 
-write_rmr: ; .type write_rmr, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_rmr_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_rmr_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_rmr_el3
-
-
 write_rmr_el1: ; .type write_rmr_el1, %function
 	msr	rmr_el1, x0
 	isb
@@ -580,16 +422,6 @@ write_rmr_el3: ; .type write_rmr_el3, %function
 	ret
 
 
-read_afsr1: ; .type read_afsr1, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_afsr1_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_afsr1_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_afsr1_el3
-
-
 	/* -----------------------------------------------------
 	 * AFSR1 accessors
 	 * -----------------------------------------------------
@@ -609,16 +441,6 @@ read_afsr1_el3: ; .type read_afsr1_el3, %function
 	ret
 
 
-write_afsr1: ; .type write_afsr1, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_afsr1_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_afsr1_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_afsr1_el3
-
-
 write_afsr1_el1: ; .type write_afsr1_el1, %function
 	msr	afsr1_el1, x0
 	isb
@@ -641,16 +463,6 @@ write_afsr1_el3: ; .type write_afsr1_el3, %function
 	 * SCTLR accessors
 	 * -----------------------------------------------------
 	 */
-read_sctlr: ; .type read_sctlr, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_sctlr_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_sctlr_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_sctlr_el3
-
-
 read_sctlr_el1: ; .type read_sctlr_el1, %function
 	mrs	x0, sctlr_el1
 	ret
@@ -666,16 +478,6 @@ read_sctlr_el3: ; .type read_sctlr_el3, %function
 	ret
 
 
-write_sctlr: ; .type write_sctlr, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_sctlr_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_sctlr_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_sctlr_el3
-
-
 write_sctlr_el1: ; .type write_sctlr_el1, %function
 	msr	sctlr_el1, x0
 	dsb	sy
@@ -701,16 +503,6 @@ write_sctlr_el3: ; .type write_sctlr_el3, %function
 	 * ACTLR accessors
 	 * -----------------------------------------------------
 	 */
-read_actlr: ; .type read_actlr, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_actlr_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_actlr_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_actlr_el3
-
-
 read_actlr_el1: ; .type read_actlr_el1, %function
 	mrs	x0, actlr_el1
 	ret
@@ -726,16 +518,6 @@ read_actlr_el3: ; .type read_actlr_el3, %function
 	ret
 
 
-write_actlr: ; .type write_actlr, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_actlr_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_actlr_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_actlr_el3
-
-
 write_actlr_el1: ; .type write_actlr_el1, %function
 	msr	actlr_el1, x0
 	dsb	sy
@@ -761,16 +543,6 @@ write_actlr_el3: ; .type write_actlr_el3, %function
 	 * ESR accessors
 	 * -----------------------------------------------------
 	 */
-read_esr: ; .type read_esr, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_esr_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_esr_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_esr_el3
-
-
 read_esr_el1: ; .type read_esr_el1, %function
 	mrs	x0, esr_el1
 	ret
@@ -786,16 +558,6 @@ read_esr_el3: ; .type read_esr_el3, %function
 	ret
 
 
-write_esr: ; .type write_esr, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_esr_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_esr_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_esr_el3
-
-
 write_esr_el1: ; .type write_esr_el1, %function
 	msr	esr_el1, x0
 	dsb	sy
@@ -821,16 +583,6 @@ write_esr_el3: ; .type write_esr_el3, %function
 	 * TCR accessors
 	 * -----------------------------------------------------
 	 */
-read_tcr: ; .type read_tcr, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_tcr_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_tcr_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_tcr_el3
-
-
 read_tcr_el1: ; .type read_tcr_el1, %function
 	mrs	x0, tcr_el1
 	ret
@@ -846,16 +598,6 @@ read_tcr_el3: ; .type read_tcr_el3, %function
 	ret
 
 
-write_tcr: ; .type write_tcr, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_tcr_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_tcr_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_tcr_el3
-
-
 write_tcr_el1: ; .type write_tcr_el1, %function
 	msr	tcr_el1, x0
 	dsb	sy
@@ -881,16 +623,6 @@ write_tcr_el3: ; .type write_tcr_el3, %function
 	 * CPTR accessors
 	 * -----------------------------------------------------
 	 */
-read_cptr: ; .type read_cptr, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_cptr_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_cptr_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_cptr_el3
-
-
 read_cptr_el1: ; .type read_cptr_el1, %function
 	b	read_cptr_el1
 	ret
@@ -906,16 +638,6 @@ read_cptr_el3: ; .type read_cptr_el3, %function
 	ret
 
 
-write_cptr: ; .type write_cptr, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_cptr_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_cptr_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_cptr_el3
-
-
 write_cptr_el1: ; .type write_cptr_el1, %function
 	b	write_cptr_el1
 
@@ -938,16 +660,6 @@ write_cptr_el3: ; .type write_cptr_el3, %function
 	 * TTBR0 accessors
 	 * -----------------------------------------------------
 	 */
-read_ttbr0: ; .type read_ttbr0, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_ttbr0_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_ttbr0_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_ttbr0_el3
-
-
 read_ttbr0_el1: ; .type read_ttbr0_el1, %function
 	mrs	x0, ttbr0_el1
 	ret
@@ -963,16 +675,6 @@ read_ttbr0_el3: ; .type read_ttbr0_el3, %function
 	ret
 
 
-write_ttbr0: ; .type write_ttbr0, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_ttbr0_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_ttbr0_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_ttbr0_el3
-
-
 write_ttbr0_el1: ; .type write_ttbr0_el1, %function
 	msr	ttbr0_el1, x0
 	isb
@@ -995,16 +697,6 @@ write_ttbr0_el3: ; .type write_ttbr0_el3, %function
 	 * TTBR1 accessors
 	 * -----------------------------------------------------
 	 */
-read_ttbr1: ; .type read_ttbr1, %function
-	mrs	x0, CurrentEl
-	cmp	x0, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	read_ttbr1_el1
-	cmp	x0, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	read_ttbr1_el2
-	cmp	x0, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	read_ttbr1_el3
-
-
 read_ttbr1_el1: ; .type read_ttbr1_el1, %function
 	mrs	x0, ttbr1_el1
 	ret
@@ -1018,16 +710,6 @@ read_ttbr1_el3: ; .type read_ttbr1_el3, %function
 	b	read_ttbr1_el3
 
 
-write_ttbr1: ; .type write_ttbr1, %function
-	mrs	x1, CurrentEl
-	cmp	x1, #(MODE_EL1 << MODE_EL_SHIFT)
-	b.eq	write_ttbr1_el1
-	cmp	x1, #(MODE_EL2 << MODE_EL_SHIFT)
-	b.eq	write_ttbr1_el2
-	cmp	x1, #(MODE_EL3 << MODE_EL_SHIFT)
-	b.eq	write_ttbr1_el3
-
-
 write_ttbr1_el1: ; .type write_ttbr1_el1, %function
 	msr	ttbr1_el1, x0
 	isb