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authorLinus Walleij <linus.walleij@linaro.org>2024-04-23 08:45:47 +0100
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2024-04-29 14:14:19 +0100
commit51db13aa8d09ecd33ff712d888a8cfe5ac89d6de (patch)
treed515088c44b3df85bbc8fdb3a704a769930825b7 /arch/arm/mm/proc-arm1020e.S
parentb4d20eff64d5912b95d7a397057aba9c8e9c9a8a (diff)
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 <keescook@chromium.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/mm/proc-arm1020e.S')
-rw-r--r--arch/arm/mm/proc-arm1020e.S24
1 files changed, 15 insertions, 9 deletions
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index f636f42fde33..60169f4ca391 100644
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/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: