ARM: 9388/2: mm: Type-annotate all per-processor assembly routines

Type tag the remaining per-processor assembly using the CFI
symbol macros, in addition to those that were previously tagged
for cache maintenance calls.

This will be used to finally provide proper C prototypes for
all these calls as well so that CFI can be made to work.

Tested-by: Kees Cook <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Reviewed-by: Sami Tolvanen <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Russell King (Oracle) <[email protected]>

Author: linusw

arch/arm/mm/proc-arm1020.S

@@ -57,18 +57,20 @@
 /*
  * cpu_arm1020_proc_init()
  */
-ENTRY(cpu_arm1020_proc_init)
+SYM_TYPED_FUNC_START(cpu_arm1020_proc_init)
 	ret	lr
+SYM_FUNC_END(cpu_arm1020_proc_init)
 
 /*
  * cpu_arm1020_proc_fin()
  */
-ENTRY(cpu_arm1020_proc_fin)
+SYM_TYPED_FUNC_START(cpu_arm1020_proc_fin)
 	mrc	p15, 0, r0, c1, c0, 0		@ ctrl register
 	bic	r0, r0, #0x1000 		@ ...i............
 	bic	r0, r0, #0x000e 		@ ............wca.
 	mcr	p15, 0, r0, c1, c0, 0		@ disable caches
 	ret	lr
+SYM_FUNC_END(cpu_arm1020_proc_fin)
 
 /*
  * cpu_arm1020_reset(loc)
@@ -81,7 +83,7 @@ ENTRY(cpu_arm1020_proc_fin)
  */
 	.align	5
 	.pushsection	.idmap.text, "ax"
-ENTRY(cpu_arm1020_reset)
+SYM_TYPED_FUNC_START(cpu_arm1020_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
@@ -93,16 +95,17 @@ ENTRY(cpu_arm1020_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	ret	r0
-ENDPROC(cpu_arm1020_reset)
+SYM_FUNC_END(cpu_arm1020_reset)
 	.popsection
 
 /*
  * cpu_arm1020_do_idle()
  */
 	.align	5
-ENTRY(cpu_arm1020_do_idle)
+SYM_TYPED_FUNC_START(cpu_arm1020_do_idle)
 	mcr	p15, 0, r0, c7, c0, 4		@ Wait for interrupt
 	ret	lr
+SYM_FUNC_END(cpu_arm1020_do_idle)
 
 /* ================================= CACHE ================================ */
 
@@ -360,7 +363,7 @@ SYM_TYPED_FUNC_START(arm1020_dma_unmap_area)
 SYM_FUNC_END(arm1020_dma_unmap_area)
 
 	.align	5
-ENTRY(cpu_arm1020_dcache_clean_area)
+SYM_TYPED_FUNC_START(cpu_arm1020_dcache_clean_area)
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mov	ip, #0
 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
@@ -370,6 +373,7 @@ ENTRY(cpu_arm1020_dcache_clean_area)
 	bhi	1b
 #endif
 	ret	lr
+SYM_FUNC_END(cpu_arm1020_dcache_clean_area)
 
 /* =============================== PageTable ============================== */
 
@@ -381,7 +385,7 @@ ENTRY(cpu_arm1020_dcache_clean_area)
  * pgd: new page tables
  */
 	.align	5
-ENTRY(cpu_arm1020_switch_mm)
+SYM_TYPED_FUNC_START(cpu_arm1020_switch_mm)
 #ifdef CONFIG_MMU
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mcr	p15, 0, r3, c7, c10, 4
@@ -409,14 +413,15 @@ ENTRY(cpu_arm1020_switch_mm)
 	mcr	p15, 0, r1, c8, c7, 0		@ invalidate I & D TLBs
 #endif /* CONFIG_MMU */
 	ret	lr
-        
+SYM_FUNC_END(cpu_arm1020_switch_mm)
+
 /*
  * cpu_arm1020_set_pte(ptep, pte)
  *
  * Set a PTE and flush it out
  */
 	.align	5
-ENTRY(cpu_arm1020_set_pte_ext)
+SYM_TYPED_FUNC_START(cpu_arm1020_set_pte_ext)
 #ifdef CONFIG_MMU
 	armv3_set_pte_ext
 	mov	r0, r0
@@ -427,6 +432,7 @@ ENTRY(cpu_arm1020_set_pte_ext)
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 #endif /* CONFIG_MMU */
 	ret	lr
+SYM_FUNC_END(cpu_arm1020_set_pte_ext)
 
 	.type	__arm1020_setup, #function
 __arm1020_setup:

arch/arm/mm/proc-arm1020e.S

@@ -57,18 +57,20 @@
 /*
  * cpu_arm1020e_proc_init()
  */
-ENTRY(cpu_arm1020e_proc_init)
+SYM_TYPED_FUNC_START(cpu_arm1020e_proc_init)
 	ret	lr
+SYM_FUNC_END(cpu_arm1020e_proc_init)
 
 /*
  * cpu_arm1020e_proc_fin()
  */
-ENTRY(cpu_arm1020e_proc_fin)
+SYM_TYPED_FUNC_START(cpu_arm1020e_proc_fin)
 	mrc	p15, 0, r0, c1, c0, 0		@ ctrl register
 	bic	r0, r0, #0x1000 		@ ...i............
 	bic	r0, r0, #0x000e 		@ ............wca.
 	mcr	p15, 0, r0, c1, c0, 0		@ disable caches
 	ret	lr
+SYM_FUNC_END(cpu_arm1020e_proc_fin)
 
 /*
  * cpu_arm1020e_reset(loc)
@@ -81,7 +83,7 @@ ENTRY(cpu_arm1020e_proc_fin)
  */
 	.align	5
 	.pushsection	.idmap.text, "ax"
-ENTRY(cpu_arm1020e_reset)
+SYM_TYPED_FUNC_START(cpu_arm1020e_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
@@ -93,16 +95,17 @@ ENTRY(cpu_arm1020e_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	ret	r0
-ENDPROC(cpu_arm1020e_reset)
+SYM_FUNC_END(cpu_arm1020e_reset)
 	.popsection
 
 /*
  * cpu_arm1020e_do_idle()
  */
 	.align	5
-ENTRY(cpu_arm1020e_do_idle)
+SYM_TYPED_FUNC_START(cpu_arm1020e_do_idle)
 	mcr	p15, 0, r0, c7, c0, 4		@ Wait for interrupt
 	ret	lr
+SYM_FUNC_END(cpu_arm1020e_do_idle)
 
 /* ================================= CACHE ================================ */
 
@@ -347,7 +350,7 @@ SYM_TYPED_FUNC_START(arm1020e_dma_unmap_area)
 SYM_FUNC_END(arm1020e_dma_unmap_area)
 
 	.align	5
-ENTRY(cpu_arm1020e_dcache_clean_area)
+SYM_TYPED_FUNC_START(cpu_arm1020e_dcache_clean_area)
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mov	ip, #0
 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
@@ -356,6 +359,7 @@ ENTRY(cpu_arm1020e_dcache_clean_area)
 	bhi	1b
 #endif
 	ret	lr
+SYM_FUNC_END(cpu_arm1020e_dcache_clean_area)
 
 /* =============================== PageTable ============================== */
 
@@ -367,7 +371,7 @@ ENTRY(cpu_arm1020e_dcache_clean_area)
  * pgd: new page tables
  */
 	.align	5
-ENTRY(cpu_arm1020e_switch_mm)
+SYM_TYPED_FUNC_START(cpu_arm1020e_switch_mm)
 #ifdef CONFIG_MMU
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mcr	p15, 0, r3, c7, c10, 4
@@ -394,14 +398,15 @@ ENTRY(cpu_arm1020e_switch_mm)
 	mcr	p15, 0, r1, c8, c7, 0		@ invalidate I & D TLBs
 #endif
 	ret	lr
-        
+SYM_FUNC_END(cpu_arm1020e_switch_mm)
+
 /*
  * cpu_arm1020e_set_pte(ptep, pte)
  *
  * Set a PTE and flush it out
  */
 	.align	5
-ENTRY(cpu_arm1020e_set_pte_ext)
+SYM_TYPED_FUNC_START(cpu_arm1020e_set_pte_ext)
 #ifdef CONFIG_MMU
 	armv3_set_pte_ext
 	mov	r0, r0
@@ -410,6 +415,7 @@ ENTRY(cpu_arm1020e_set_pte_ext)
 #endif
 #endif /* CONFIG_MMU */
 	ret	lr
+SYM_FUNC_END(cpu_arm1020e_set_pte_ext)
 
 	.type	__arm1020e_setup, #function
 __arm1020e_setup:

arch/arm/mm/proc-arm1022.S

@@ -57,18 +57,20 @@
 /*
  * cpu_arm1022_proc_init()
  */
-ENTRY(cpu_arm1022_proc_init)
+SYM_TYPED_FUNC_START(cpu_arm1022_proc_init)
 	ret	lr
+SYM_FUNC_END(cpu_arm1022_proc_init)
 
 /*
  * cpu_arm1022_proc_fin()
  */
-ENTRY(cpu_arm1022_proc_fin)
+SYM_TYPED_FUNC_START(cpu_arm1022_proc_fin)
 	mrc	p15, 0, r0, c1, c0, 0		@ ctrl register
 	bic	r0, r0, #0x1000 		@ ...i............
 	bic	r0, r0, #0x000e 		@ ............wca.
 	mcr	p15, 0, r0, c1, c0, 0		@ disable caches
 	ret	lr
+SYM_FUNC_END(cpu_arm1022_proc_fin)
 
 /*
  * cpu_arm1022_reset(loc)
@@ -81,7 +83,7 @@ ENTRY(cpu_arm1022_proc_fin)
  */
 	.align	5
 	.pushsection	.idmap.text, "ax"
-ENTRY(cpu_arm1022_reset)
+SYM_TYPED_FUNC_START(cpu_arm1022_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
@@ -93,16 +95,17 @@ ENTRY(cpu_arm1022_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	ret	r0
-ENDPROC(cpu_arm1022_reset)
+SYM_FUNC_END(cpu_arm1022_reset)
 	.popsection
 
 /*
  * cpu_arm1022_do_idle()
  */
 	.align	5
-ENTRY(cpu_arm1022_do_idle)
+SYM_TYPED_FUNC_START(cpu_arm1022_do_idle)
 	mcr	p15, 0, r0, c7, c0, 4		@ Wait for interrupt
 	ret	lr
+SYM_FUNC_END(cpu_arm1022_do_idle)
 
 /* ================================= CACHE ================================ */
 
@@ -346,7 +349,7 @@ SYM_TYPED_FUNC_START(arm1022_dma_unmap_area)
 SYM_FUNC_END(arm1022_dma_unmap_area)
 
 	.align	5
-ENTRY(cpu_arm1022_dcache_clean_area)
+SYM_TYPED_FUNC_START(cpu_arm1022_dcache_clean_area)
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mov	ip, #0
 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
@@ -355,6 +358,7 @@ ENTRY(cpu_arm1022_dcache_clean_area)
 	bhi	1b
 #endif
 	ret	lr
+SYM_FUNC_END(cpu_arm1022_dcache_clean_area)
 
 /* =============================== PageTable ============================== */
 
@@ -366,7 +370,7 @@ ENTRY(cpu_arm1022_dcache_clean_area)
  * pgd: new page tables
  */
 	.align	5
-ENTRY(cpu_arm1022_switch_mm)
+SYM_TYPED_FUNC_START(cpu_arm1022_switch_mm)
 #ifdef CONFIG_MMU
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mov	r1, #(CACHE_DSEGMENTS - 1) << 5	@ 16 segments
@@ -386,14 +390,15 @@ ENTRY(cpu_arm1022_switch_mm)
 	mcr	p15, 0, r1, c8, c7, 0		@ invalidate I & D TLBs
 #endif
 	ret	lr
-        
+SYM_FUNC_END(cpu_arm1022_switch_mm)
+
 /*
  * cpu_arm1022_set_pte_ext(ptep, pte, ext)
  *
  * Set a PTE and flush it out
  */
 	.align	5
-ENTRY(cpu_arm1022_set_pte_ext)
+SYM_TYPED_FUNC_START(cpu_arm1022_set_pte_ext)
 #ifdef CONFIG_MMU
 	armv3_set_pte_ext
 	mov	r0, r0
@@ -402,6 +407,7 @@ ENTRY(cpu_arm1022_set_pte_ext)
 #endif
 #endif /* CONFIG_MMU */
 	ret	lr
+SYM_FUNC_END(cpu_arm1022_set_pte_ext)
 
 	.type	__arm1022_setup, #function
 __arm1022_setup: