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authorMark Brown <broonie@kernel.org>2020-05-01 12:54:29 +0100
committerWill Deacon <will@kernel.org>2020-05-04 12:46:03 +0100
commit0343a7e46362c3836ff27ceb749ee2b6f78aa982 (patch)
treeba3fd870e6ae195a8dea40cd91cf52b5ad333d48 /arch/arm64
parent06607c7e93f2a4799346baa262d4304681e4b528 (diff)
arm64: kernel: Convert to modern annotations for assembly functions
In an effort to clarify and simplify the annotation of assembly functions in the kernel new macros have been introduced. These replace ENTRY and ENDPROC and also add a new annotation for static functions which previously had no ENTRY equivalent. Update the annotations in the core kernel code to the new macros. Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20200501115430.37315-3-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/kernel/cpu-reset.S4
-rw-r--r--arch/arm64/kernel/efi-rt-wrapper.S4
-rw-r--r--arch/arm64/kernel/entry-fpsimd.S20
-rw-r--r--arch/arm64/kernel/hibernate-asm.S16
-rw-r--r--arch/arm64/kernel/hyp-stub.S20
-rw-r--r--arch/arm64/kernel/probes/kprobes_trampoline.S4
-rw-r--r--arch/arm64/kernel/reloc_test_syms.S44
-rw-r--r--arch/arm64/kernel/relocate_kernel.S4
-rw-r--r--arch/arm64/kernel/sleep.S12
-rw-r--r--arch/arm64/kernel/smccc-call.S8
10 files changed, 68 insertions, 68 deletions
diff --git a/arch/arm64/kernel/cpu-reset.S b/arch/arm64/kernel/cpu-reset.S
index 38087b4c0432..4a18055b2ff9 100644
--- a/arch/arm64/kernel/cpu-reset.S
+++ b/arch/arm64/kernel/cpu-reset.S
@@ -29,7 +29,7 @@
* branch to what would be the reset vector. It must be executed with the
* flat identity mapping.
*/
-ENTRY(__cpu_soft_restart)
+SYM_CODE_START(__cpu_soft_restart)
/* Clear sctlr_el1 flags. */
mrs x12, sctlr_el1
mov_q x13, SCTLR_ELx_FLAGS
@@ -47,6 +47,6 @@ ENTRY(__cpu_soft_restart)
mov x1, x3 // arg1
mov x2, x4 // arg2
br x8
-ENDPROC(__cpu_soft_restart)
+SYM_CODE_END(__cpu_soft_restart)
.popsection
diff --git a/arch/arm64/kernel/efi-rt-wrapper.S b/arch/arm64/kernel/efi-rt-wrapper.S
index 3fc71106cb2b..1192c4bb48df 100644
--- a/arch/arm64/kernel/efi-rt-wrapper.S
+++ b/arch/arm64/kernel/efi-rt-wrapper.S
@@ -5,7 +5,7 @@
#include <linux/linkage.h>
-ENTRY(__efi_rt_asm_wrapper)
+SYM_FUNC_START(__efi_rt_asm_wrapper)
stp x29, x30, [sp, #-32]!
mov x29, sp
@@ -35,4 +35,4 @@ ENTRY(__efi_rt_asm_wrapper)
b.ne 0f
ret
0: b efi_handle_corrupted_x18 // tail call
-ENDPROC(__efi_rt_asm_wrapper)
+SYM_FUNC_END(__efi_rt_asm_wrapper)
diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S
index 0f24eae8f3cc..f880dd63ddc3 100644
--- a/arch/arm64/kernel/entry-fpsimd.S
+++ b/arch/arm64/kernel/entry-fpsimd.S
@@ -16,34 +16,34 @@
*
* x0 - pointer to struct fpsimd_state
*/
-ENTRY(fpsimd_save_state)
+SYM_FUNC_START(fpsimd_save_state)
fpsimd_save x0, 8
ret
-ENDPROC(fpsimd_save_state)
+SYM_FUNC_END(fpsimd_save_state)
/*
* Load the FP registers.
*
* x0 - pointer to struct fpsimd_state
*/
-ENTRY(fpsimd_load_state)
+SYM_FUNC_START(fpsimd_load_state)
fpsimd_restore x0, 8
ret
-ENDPROC(fpsimd_load_state)
+SYM_FUNC_END(fpsimd_load_state)
#ifdef CONFIG_ARM64_SVE
-ENTRY(sve_save_state)
+SYM_FUNC_START(sve_save_state)
sve_save 0, x1, 2
ret
-ENDPROC(sve_save_state)
+SYM_FUNC_END(sve_save_state)
-ENTRY(sve_load_state)
+SYM_FUNC_START(sve_load_state)
sve_load 0, x1, x2, 3, x4
ret
-ENDPROC(sve_load_state)
+SYM_FUNC_END(sve_load_state)
-ENTRY(sve_get_vl)
+SYM_FUNC_START(sve_get_vl)
_sve_rdvl 0, 1
ret
-ENDPROC(sve_get_vl)
+SYM_FUNC_END(sve_get_vl)
#endif /* CONFIG_ARM64_SVE */
diff --git a/arch/arm64/kernel/hibernate-asm.S b/arch/arm64/kernel/hibernate-asm.S
index 6532105b3e32..8ccca660034e 100644
--- a/arch/arm64/kernel/hibernate-asm.S
+++ b/arch/arm64/kernel/hibernate-asm.S
@@ -65,7 +65,7 @@
* x5: physical address of a zero page that remains zero after resume
*/
.pushsection ".hibernate_exit.text", "ax"
-ENTRY(swsusp_arch_suspend_exit)
+SYM_CODE_START(swsusp_arch_suspend_exit)
/*
* We execute from ttbr0, change ttbr1 to our copied linear map tables
* with a break-before-make via the zero page
@@ -110,7 +110,7 @@ ENTRY(swsusp_arch_suspend_exit)
cbz x24, 3f /* Do we need to re-initialise EL2? */
hvc #0
3: ret
-ENDPROC(swsusp_arch_suspend_exit)
+SYM_CODE_END(swsusp_arch_suspend_exit)
/*
* Restore the hyp stub.
@@ -119,15 +119,15 @@ ENDPROC(swsusp_arch_suspend_exit)
*
* x24: The physical address of __hyp_stub_vectors
*/
-el1_sync:
+SYM_CODE_START_LOCAL(el1_sync)
msr vbar_el2, x24
eret
-ENDPROC(el1_sync)
+SYM_CODE_END(el1_sync)
.macro invalid_vector label
-\label:
+SYM_CODE_START_LOCAL(\label)
b \label
-ENDPROC(\label)
+SYM_CODE_END(\label)
.endm
invalid_vector el2_sync_invalid
@@ -141,7 +141,7 @@ ENDPROC(\label)
/* el2 vectors - switch el2 here while we restore the memory image. */
.align 11
-ENTRY(hibernate_el2_vectors)
+SYM_CODE_START(hibernate_el2_vectors)
ventry el2_sync_invalid // Synchronous EL2t
ventry el2_irq_invalid // IRQ EL2t
ventry el2_fiq_invalid // FIQ EL2t
@@ -161,6 +161,6 @@ ENTRY(hibernate_el2_vectors)
ventry el1_irq_invalid // IRQ 32-bit EL1
ventry el1_fiq_invalid // FIQ 32-bit EL1
ventry el1_error_invalid // Error 32-bit EL1
-END(hibernate_el2_vectors)
+SYM_CODE_END(hibernate_el2_vectors)
.popsection
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S
index e473ead806ed..160f5881a0b7 100644
--- a/arch/arm64/kernel/hyp-stub.S
+++ b/arch/arm64/kernel/hyp-stub.S
@@ -21,7 +21,7 @@
.align 11
-ENTRY(__hyp_stub_vectors)
+SYM_CODE_START(__hyp_stub_vectors)
ventry el2_sync_invalid // Synchronous EL2t
ventry el2_irq_invalid // IRQ EL2t
ventry el2_fiq_invalid // FIQ EL2t
@@ -41,11 +41,11 @@ ENTRY(__hyp_stub_vectors)
ventry el1_irq_invalid // IRQ 32-bit EL1
ventry el1_fiq_invalid // FIQ 32-bit EL1
ventry el1_error_invalid // Error 32-bit EL1
-ENDPROC(__hyp_stub_vectors)
+SYM_CODE_END(__hyp_stub_vectors)
.align 11
-el1_sync:
+SYM_CODE_START_LOCAL(el1_sync)
cmp x0, #HVC_SET_VECTORS
b.ne 2f
msr vbar_el2, x1
@@ -68,12 +68,12 @@ el1_sync:
9: mov x0, xzr
eret
-ENDPROC(el1_sync)
+SYM_CODE_END(el1_sync)
.macro invalid_vector label
-\label:
+SYM_CODE_START_LOCAL(\label)
b \label
-ENDPROC(\label)
+SYM_CODE_END(\label)
.endm
invalid_vector el2_sync_invalid
@@ -106,15 +106,15 @@ ENDPROC(\label)
* initialisation entry point.
*/
-ENTRY(__hyp_set_vectors)
+SYM_FUNC_START(__hyp_set_vectors)
mov x1, x0
mov x0, #HVC_SET_VECTORS
hvc #0
ret
-ENDPROC(__hyp_set_vectors)
+SYM_FUNC_END(__hyp_set_vectors)
-ENTRY(__hyp_reset_vectors)
+SYM_FUNC_START(__hyp_reset_vectors)
mov x0, #HVC_RESET_VECTORS
hvc #0
ret
-ENDPROC(__hyp_reset_vectors)
+SYM_FUNC_END(__hyp_reset_vectors)
diff --git a/arch/arm64/kernel/probes/kprobes_trampoline.S b/arch/arm64/kernel/probes/kprobes_trampoline.S
index 45dce03aaeaf..890ca72c5a51 100644
--- a/arch/arm64/kernel/probes/kprobes_trampoline.S
+++ b/arch/arm64/kernel/probes/kprobes_trampoline.S
@@ -61,7 +61,7 @@
ldp x28, x29, [sp, #S_X28]
.endm
-ENTRY(kretprobe_trampoline)
+SYM_CODE_START(kretprobe_trampoline)
sub sp, sp, #S_FRAME_SIZE
save_all_base_regs
@@ -79,4 +79,4 @@ ENTRY(kretprobe_trampoline)
add sp, sp, #S_FRAME_SIZE
ret
-ENDPROC(kretprobe_trampoline)
+SYM_CODE_END(kretprobe_trampoline)
diff --git a/arch/arm64/kernel/reloc_test_syms.S b/arch/arm64/kernel/reloc_test_syms.S
index 16a34f188f26..c50f45fa29fa 100644
--- a/arch/arm64/kernel/reloc_test_syms.S
+++ b/arch/arm64/kernel/reloc_test_syms.S
@@ -5,81 +5,81 @@
#include <linux/linkage.h>
-ENTRY(absolute_data64)
+SYM_FUNC_START(absolute_data64)
ldr x0, 0f
ret
0: .quad sym64_abs
-ENDPROC(absolute_data64)
+SYM_FUNC_END(absolute_data64)
-ENTRY(absolute_data32)
+SYM_FUNC_START(absolute_data32)
ldr w0, 0f
ret
0: .long sym32_abs
-ENDPROC(absolute_data32)
+SYM_FUNC_END(absolute_data32)
-ENTRY(absolute_data16)
+SYM_FUNC_START(absolute_data16)
adr x0, 0f
ldrh w0, [x0]
ret
0: .short sym16_abs, 0
-ENDPROC(absolute_data16)
+SYM_FUNC_END(absolute_data16)
-ENTRY(signed_movw)
+SYM_FUNC_START(signed_movw)
movz x0, #:abs_g2_s:sym64_abs
movk x0, #:abs_g1_nc:sym64_abs
movk x0, #:abs_g0_nc:sym64_abs
ret
-ENDPROC(signed_movw)
+SYM_FUNC_END(signed_movw)
-ENTRY(unsigned_movw)
+SYM_FUNC_START(unsigned_movw)
movz x0, #:abs_g3:sym64_abs
movk x0, #:abs_g2_nc:sym64_abs
movk x0, #:abs_g1_nc:sym64_abs
movk x0, #:abs_g0_nc:sym64_abs
ret
-ENDPROC(unsigned_movw)
+SYM_FUNC_END(unsigned_movw)
.align 12
.space 0xff8
-ENTRY(relative_adrp)
+SYM_FUNC_START(relative_adrp)
adrp x0, sym64_rel
add x0, x0, #:lo12:sym64_rel
ret
-ENDPROC(relative_adrp)
+SYM_FUNC_END(relative_adrp)
.align 12
.space 0xffc
-ENTRY(relative_adrp_far)
+SYM_FUNC_START(relative_adrp_far)
adrp x0, memstart_addr
add x0, x0, #:lo12:memstart_addr
ret
-ENDPROC(relative_adrp_far)
+SYM_FUNC_END(relative_adrp_far)
-ENTRY(relative_adr)
+SYM_FUNC_START(relative_adr)
adr x0, sym64_rel
ret
-ENDPROC(relative_adr)
+SYM_FUNC_END(relative_adr)
-ENTRY(relative_data64)
+SYM_FUNC_START(relative_data64)
adr x1, 0f
ldr x0, [x1]
add x0, x0, x1
ret
0: .quad sym64_rel - .
-ENDPROC(relative_data64)
+SYM_FUNC_END(relative_data64)
-ENTRY(relative_data32)
+SYM_FUNC_START(relative_data32)
adr x1, 0f
ldr w0, [x1]
add x0, x0, x1
ret
0: .long sym64_rel - .
-ENDPROC(relative_data32)
+SYM_FUNC_END(relative_data32)
-ENTRY(relative_data16)
+SYM_FUNC_START(relative_data16)
adr x1, 0f
ldrsh w0, [x1]
add x0, x0, x1
ret
0: .short sym64_rel - ., 0
-ENDPROC(relative_data16)
+SYM_FUNC_END(relative_data16)
diff --git a/arch/arm64/kernel/relocate_kernel.S b/arch/arm64/kernel/relocate_kernel.S
index c40ce496c78b..542d6edc6806 100644
--- a/arch/arm64/kernel/relocate_kernel.S
+++ b/arch/arm64/kernel/relocate_kernel.S
@@ -26,7 +26,7 @@
* control_code_page, a special page which has been set up to be preserved
* during the copy operation.
*/
-ENTRY(arm64_relocate_new_kernel)
+SYM_CODE_START(arm64_relocate_new_kernel)
/* Setup the list loop variables. */
mov x18, x2 /* x18 = dtb address */
@@ -111,7 +111,7 @@ ENTRY(arm64_relocate_new_kernel)
mov x3, xzr
br x17
-ENDPROC(arm64_relocate_new_kernel)
+SYM_CODE_END(arm64_relocate_new_kernel)
.align 3 /* To keep the 64-bit values below naturally aligned. */
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index 7b2f2e650c44..c1bf43cfaa2b 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -62,7 +62,7 @@
*
* x0 = struct sleep_stack_data area
*/
-ENTRY(__cpu_suspend_enter)
+SYM_FUNC_START(__cpu_suspend_enter)
stp x29, lr, [x0, #SLEEP_STACK_DATA_CALLEE_REGS]
stp x19, x20, [x0,#SLEEP_STACK_DATA_CALLEE_REGS+16]
stp x21, x22, [x0,#SLEEP_STACK_DATA_CALLEE_REGS+32]
@@ -95,10 +95,10 @@ ENTRY(__cpu_suspend_enter)
ldp x29, lr, [sp], #16
mov x0, #1
ret
-ENDPROC(__cpu_suspend_enter)
+SYM_FUNC_END(__cpu_suspend_enter)
.pushsection ".idmap.text", "awx"
-ENTRY(cpu_resume)
+SYM_CODE_START(cpu_resume)
bl el2_setup // if in EL2 drop to EL1 cleanly
mov x0, #ARM64_CPU_RUNTIME
bl __cpu_setup
@@ -107,11 +107,11 @@ ENTRY(cpu_resume)
bl __enable_mmu
ldr x8, =_cpu_resume
br x8
-ENDPROC(cpu_resume)
+SYM_CODE_END(cpu_resume)
.ltorg
.popsection
-ENTRY(_cpu_resume)
+SYM_FUNC_START(_cpu_resume)
mrs x1, mpidr_el1
adr_l x8, mpidr_hash // x8 = struct mpidr_hash virt address
@@ -147,4 +147,4 @@ ENTRY(_cpu_resume)
ldp x29, lr, [x29]
mov x0, #0
ret
-ENDPROC(_cpu_resume)
+SYM_FUNC_END(_cpu_resume)
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S
index 54655273d1e0..1f93809528a4 100644
--- a/arch/arm64/kernel/smccc-call.S
+++ b/arch/arm64/kernel/smccc-call.S
@@ -30,9 +30,9 @@
* unsigned long a6, unsigned long a7, struct arm_smccc_res *res,
* struct arm_smccc_quirk *quirk)
*/
-ENTRY(__arm_smccc_smc)
+SYM_FUNC_START(__arm_smccc_smc)
SMCCC smc
-ENDPROC(__arm_smccc_smc)
+SYM_FUNC_END(__arm_smccc_smc)
EXPORT_SYMBOL(__arm_smccc_smc)
/*
@@ -41,7 +41,7 @@ EXPORT_SYMBOL(__arm_smccc_smc)
* unsigned long a6, unsigned long a7, struct arm_smccc_res *res,
* struct arm_smccc_quirk *quirk)
*/
-ENTRY(__arm_smccc_hvc)
+SYM_FUNC_START(__arm_smccc_hvc)
SMCCC hvc
-ENDPROC(__arm_smccc_hvc)
+SYM_FUNC_END(__arm_smccc_hvc)
EXPORT_SYMBOL(__arm_smccc_hvc)