Remove unused or invalid asm helper functions
There are a small number of non-EL specific helper functions
which are no longer used, and also some unusable helper
functions for non-existant registers.
This change removes all of these functions.
Change-Id: Idd656cef3b59cf5c46fe2be4029d72288b649c24
diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h
index 08fb7f7..517e25a 100644
--- a/include/lib/aarch64/arch_helpers.h
+++ b/include/lib/aarch64/arch_helpers.h
@@ -194,9 +194,7 @@
extern unsigned long read_ttbr0_el2(void);
extern unsigned long read_ttbr0_el3(void);
-extern unsigned long read_ttbr1(void);
extern unsigned long read_ttbr1_el1(void);
-extern unsigned long read_ttbr1_el2(void);
extern unsigned long read_cptr_el2(void);
extern unsigned long read_cptr_el3(void);
@@ -228,12 +226,10 @@
extern void write_esr_el2(unsigned long);
extern void write_esr_el3(unsigned long);
-extern void write_afsr0(unsigned long);
extern void write_afsr0_el1(unsigned long);
extern void write_afsr0_el2(unsigned long);
extern void write_afsr0_el3(unsigned long);
-extern void write_afsr1(unsigned long);
extern void write_afsr1_el1(unsigned long);
extern void write_afsr1_el2(unsigned long);
extern void write_afsr1_el3(unsigned long);
@@ -263,7 +259,6 @@
extern void write_ttbr0_el3(unsigned long);
extern void write_ttbr1_el1(unsigned long);
-extern void write_ttbr1_el2(unsigned long);
extern void write_cpuectlr(unsigned long);
extern void write_cptr_el2(unsigned long);
diff --git a/lib/aarch64/misc_helpers.S b/lib/aarch64/misc_helpers.S
index bccc936..e7ee015 100644
--- a/lib/aarch64/misc_helpers.S
+++ b/lib/aarch64/misc_helpers.S
@@ -46,22 +46,18 @@
.globl read_daif
.globl write_daif
- .globl read_spsr
.globl read_spsr_el1
.globl read_spsr_el2
.globl read_spsr_el3
- .globl write_spsr
.globl write_spsr_el1
.globl write_spsr_el2
.globl write_spsr_el3
- .globl read_elr
.globl read_elr_el1
.globl read_elr_el2
.globl read_elr_el3
- .globl write_elr
.globl write_elr_el1
.globl write_elr_el2
.globl write_elr_el3
@@ -153,16 +149,6 @@
ret
-func read_spsr
- mrs x0, CurrentEl
- cmp x0, #(MODE_EL1 << MODE_EL_SHIFT)
- b.eq read_spsr_el1
- cmp x0, #(MODE_EL2 << MODE_EL_SHIFT)
- b.eq read_spsr_el2
- cmp x0, #(MODE_EL3 << MODE_EL_SHIFT)
- b.eq read_spsr_el3
-
-
func read_spsr_el1
mrs x0, spsr_el1
ret
@@ -178,16 +164,6 @@
ret
-func write_spsr
- mrs x1, CurrentEl
- cmp x1, #(MODE_EL1 << MODE_EL_SHIFT)
- b.eq write_spsr_el1
- cmp x1, #(MODE_EL2 << MODE_EL_SHIFT)
- b.eq write_spsr_el2
- cmp x1, #(MODE_EL3 << MODE_EL_SHIFT)
- b.eq write_spsr_el3
-
-
func write_spsr_el1
msr spsr_el1, x0
ret
@@ -203,16 +179,6 @@
ret
-func read_elr
- mrs x0, CurrentEl
- cmp x0, #(MODE_EL1 << MODE_EL_SHIFT)
- b.eq read_elr_el1
- cmp x0, #(MODE_EL2 << MODE_EL_SHIFT)
- b.eq read_elr_el2
- cmp x0, #(MODE_EL3 << MODE_EL_SHIFT)
- b.eq read_elr_el3
-
-
func read_elr_el1
mrs x0, elr_el1
ret
@@ -228,16 +194,6 @@
ret
-func write_elr
- mrs x1, CurrentEl
- cmp x1, #(MODE_EL1 << MODE_EL_SHIFT)
- b.eq write_elr_el1
- cmp x1, #(MODE_EL2 << MODE_EL_SHIFT)
- b.eq write_elr_el2
- cmp x1, #(MODE_EL3 << MODE_EL_SHIFT)
- b.eq write_elr_el3
-
-
func write_elr_el1
msr elr_el1, x0
ret
diff --git a/lib/aarch64/sysreg_helpers.S b/lib/aarch64/sysreg_helpers.S
index 1d73ba9..376da49 100644
--- a/lib/aarch64/sysreg_helpers.S
+++ b/lib/aarch64/sysreg_helpers.S
@@ -125,10 +125,7 @@
.globl write_ttbr0_el3
.globl read_ttbr1_el1
- .globl read_ttbr1_el2
- .globl write_ttbr1
.globl write_ttbr1_el1
- .globl write_ttbr1_el2
.globl read_cpacr
.globl write_cpacr
@@ -160,8 +157,6 @@
#if SUPPORT_VFP
.globl enable_vfp
- .globl read_fpexc
- .globl write_fpexc
#endif
@@ -577,11 +572,6 @@
* CPTR accessors
* -----------------------------------------------------
*/
-func read_cptr_el1
- b read_cptr_el1
- ret
-
-
func read_cptr_el2
mrs x0, cptr_el2
ret
@@ -592,10 +582,6 @@
ret
-func write_cptr_el1
- b write_cptr_el1
-
-
func write_cptr_el2
msr cptr_el2, x0
ret
@@ -649,27 +635,11 @@
ret
-func read_ttbr1_el2
- b read_ttbr1_el2
-
-
-func read_ttbr1_el3
- b read_ttbr1_el3
-
-
func write_ttbr1_el1
msr ttbr1_el1, x0
ret
-func write_ttbr1_el2
- b write_ttbr1_el2
-
-
-func write_ttbr1_el3
- b write_ttbr1_el3
-
-
func read_hcr
mrs x0, hcr_el2
ret
@@ -762,14 +732,4 @@
isb
ret
-
-func read_fpexc
- b read_fpexc
- ret
-
-
-func write_fpexc
- b write_fpexc
- ret
-
#endif