summaryrefslogtreecommitdiffstats
path: root/arch/arm/mm/proc-mohawk.S
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /arch/arm/mm/proc-mohawk.S
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mm/proc-mohawk.S')
-rw-r--r--arch/arm/mm/proc-mohawk.S74
1 files changed, 41 insertions, 33 deletions
diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S
index 1645ccaffe..8e9f38da86 100644
--- a/arch/arm/mm/proc-mohawk.S
+++ b/arch/arm/mm/proc-mohawk.S
@@ -9,6 +9,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
+#include <linux/cfi_types.h>
#include <linux/pgtable.h>
#include <asm/assembler.h>
#include <asm/hwcap.h>
@@ -31,18 +32,20 @@
/*
* cpu_mohawk_proc_init()
*/
-ENTRY(cpu_mohawk_proc_init)
+SYM_TYPED_FUNC_START(cpu_mohawk_proc_init)
ret lr
+SYM_FUNC_END(cpu_mohawk_proc_init)
/*
* cpu_mohawk_proc_fin()
*/
-ENTRY(cpu_mohawk_proc_fin)
+SYM_TYPED_FUNC_START(cpu_mohawk_proc_fin)
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1800 @ ...iz...........
bic r0, r0, #0x0006 @ .............ca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
ret lr
+SYM_FUNC_END(cpu_mohawk_proc_fin)
/*
* cpu_mohawk_reset(loc)
@@ -57,7 +60,7 @@ ENTRY(cpu_mohawk_proc_fin)
*/
.align 5
.pushsection .idmap.text, "ax"
-ENTRY(cpu_mohawk_reset)
+SYM_TYPED_FUNC_START(cpu_mohawk_reset)
mov ip, #0
mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches
mcr p15, 0, ip, c7, c10, 4 @ drain WB
@@ -67,7 +70,7 @@ ENTRY(cpu_mohawk_reset)
bic ip, ip, #0x1100 @ ...i...s........
mcr p15, 0, ip, c1, c0, 0 @ ctrl register
ret r0
-ENDPROC(cpu_mohawk_reset)
+SYM_FUNC_END(cpu_mohawk_reset)
.popsection
/*
@@ -76,22 +79,23 @@ ENDPROC(cpu_mohawk_reset)
* Called with IRQs disabled
*/
.align 5
-ENTRY(cpu_mohawk_do_idle)
+SYM_TYPED_FUNC_START(cpu_mohawk_do_idle)
mov r0, #0
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt
ret lr
+SYM_FUNC_END(cpu_mohawk_do_idle)
/*
* flush_icache_all()
*
* Unconditionally clean and invalidate the entire icache.
*/
-ENTRY(mohawk_flush_icache_all)
+SYM_TYPED_FUNC_START(mohawk_flush_icache_all)
mov r0, #0
mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
ret lr
-ENDPROC(mohawk_flush_icache_all)
+SYM_FUNC_END(mohawk_flush_icache_all)
/*
* flush_user_cache_all()
@@ -99,15 +103,14 @@ ENDPROC(mohawk_flush_icache_all)
* Clean and invalidate all cache entries in a particular
* address space.
*/
-ENTRY(mohawk_flush_user_cache_all)
- /* FALLTHROUGH */
+SYM_FUNC_ALIAS(mohawk_flush_user_cache_all, mohawk_flush_kern_cache_all)
/*
* flush_kern_cache_all()
*
* Clean and invalidate the entire cache.
*/
-ENTRY(mohawk_flush_kern_cache_all)
+SYM_TYPED_FUNC_START(mohawk_flush_kern_cache_all)
mov r2, #VM_EXEC
mov ip, #0
__flush_whole_cache:
@@ -116,6 +119,7 @@ __flush_whole_cache:
mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache
mcrne p15, 0, ip, c7, c10, 0 @ drain write buffer
ret lr
+SYM_FUNC_END(mohawk_flush_kern_cache_all)
/*
* flush_user_cache_range(start, end, flags)
@@ -129,7 +133,7 @@ __flush_whole_cache:
*
* (same as arm926)
*/
-ENTRY(mohawk_flush_user_cache_range)
+SYM_TYPED_FUNC_START(mohawk_flush_user_cache_range)
mov ip, #0
sub r3, r1, r0 @ calculate total size
cmp r3, #CACHE_DLIMIT
@@ -146,6 +150,7 @@ ENTRY(mohawk_flush_user_cache_range)
tst r2, #VM_EXEC
mcrne p15, 0, ip, c7, c10, 4 @ drain WB
ret lr
+SYM_FUNC_END(mohawk_flush_user_cache_range)
/*
* coherent_kern_range(start, end)
@@ -157,8 +162,11 @@ ENTRY(mohawk_flush_user_cache_range)
* - start - virtual start address
* - end - virtual end address
*/
-ENTRY(mohawk_coherent_kern_range)
- /* FALLTHROUGH */
+SYM_TYPED_FUNC_START(mohawk_coherent_kern_range)
+#ifdef CONFIG_CFI_CLANG /* Fallthrough if !CFI */
+ b mohawk_coherent_user_range
+#endif
+SYM_FUNC_END(mohawk_coherent_kern_range)
/*
* coherent_user_range(start, end)
@@ -172,7 +180,7 @@ ENTRY(mohawk_coherent_kern_range)
*
* (same as arm926)
*/
-ENTRY(mohawk_coherent_user_range)
+SYM_TYPED_FUNC_START(mohawk_coherent_user_range)
bic r0, r0, #CACHE_DLINESIZE - 1
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
mcr p15, 0, r0, c7, c5, 1 @ invalidate I entry
@@ -182,6 +190,7 @@ ENTRY(mohawk_coherent_user_range)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov r0, #0
ret lr
+SYM_FUNC_END(mohawk_coherent_user_range)
/*
* flush_kern_dcache_area(void *addr, size_t size)
@@ -192,7 +201,7 @@ ENTRY(mohawk_coherent_user_range)
* - addr - kernel address
* - size - region size
*/
-ENTRY(mohawk_flush_kern_dcache_area)
+SYM_TYPED_FUNC_START(mohawk_flush_kern_dcache_area)
add r1, r0, r1
1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry
add r0, r0, #CACHE_DLINESIZE
@@ -202,6 +211,7 @@ ENTRY(mohawk_flush_kern_dcache_area)
mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
mcr p15, 0, r0, c7, c10, 4 @ drain WB
ret lr
+SYM_FUNC_END(mohawk_flush_kern_dcache_area)
/*
* dma_inv_range(start, end)
@@ -256,7 +266,7 @@ mohawk_dma_clean_range:
* - start - virtual start address
* - end - virtual end address
*/
-ENTRY(mohawk_dma_flush_range)
+SYM_TYPED_FUNC_START(mohawk_dma_flush_range)
bic r0, r0, #CACHE_DLINESIZE - 1
1:
mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry
@@ -265,6 +275,7 @@ ENTRY(mohawk_dma_flush_range)
blo 1b
mcr p15, 0, r0, c7, c10, 4 @ drain WB
ret lr
+SYM_FUNC_END(mohawk_dma_flush_range)
/*
* dma_map_area(start, size, dir)
@@ -272,13 +283,13 @@ ENTRY(mohawk_dma_flush_range)
* - size - size of region
* - dir - DMA direction
*/
-ENTRY(mohawk_dma_map_area)
+SYM_TYPED_FUNC_START(mohawk_dma_map_area)
add r1, r1, r0
cmp r2, #DMA_TO_DEVICE
beq mohawk_dma_clean_range
bcs mohawk_dma_inv_range
b mohawk_dma_flush_range
-ENDPROC(mohawk_dma_map_area)
+SYM_FUNC_END(mohawk_dma_map_area)
/*
* dma_unmap_area(start, size, dir)
@@ -286,23 +297,18 @@ ENDPROC(mohawk_dma_map_area)
* - size - size of region
* - dir - DMA direction
*/
-ENTRY(mohawk_dma_unmap_area)
+SYM_TYPED_FUNC_START(mohawk_dma_unmap_area)
ret lr
-ENDPROC(mohawk_dma_unmap_area)
-
- .globl mohawk_flush_kern_cache_louis
- .equ mohawk_flush_kern_cache_louis, mohawk_flush_kern_cache_all
-
- @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
- define_cache_functions mohawk
+SYM_FUNC_END(mohawk_dma_unmap_area)
-ENTRY(cpu_mohawk_dcache_clean_area)
+SYM_TYPED_FUNC_START(cpu_mohawk_dcache_clean_area)
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
add r0, r0, #CACHE_DLINESIZE
subs r1, r1, #CACHE_DLINESIZE
bhi 1b
mcr p15, 0, r0, c7, c10, 4 @ drain WB
ret lr
+SYM_FUNC_END(cpu_mohawk_dcache_clean_area)
/*
* cpu_mohawk_switch_mm(pgd)
@@ -312,7 +318,7 @@ ENTRY(cpu_mohawk_dcache_clean_area)
* pgd: new page tables
*/
.align 5
-ENTRY(cpu_mohawk_switch_mm)
+SYM_TYPED_FUNC_START(cpu_mohawk_switch_mm)
mov ip, #0
mcr p15, 0, ip, c7, c14, 0 @ clean & invalidate all D cache
mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
@@ -321,6 +327,7 @@ ENTRY(cpu_mohawk_switch_mm)
mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
ret lr
+SYM_FUNC_END(cpu_mohawk_switch_mm)
/*
* cpu_mohawk_set_pte_ext(ptep, pte, ext)
@@ -328,7 +335,7 @@ ENTRY(cpu_mohawk_switch_mm)
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_mohawk_set_pte_ext)
+SYM_TYPED_FUNC_START(cpu_mohawk_set_pte_ext)
#ifdef CONFIG_MMU
armv3_set_pte_ext
mov r0, r0
@@ -336,11 +343,12 @@ ENTRY(cpu_mohawk_set_pte_ext)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
ret lr
#endif
+SYM_FUNC_END(cpu_mohawk_set_pte_ext)
.globl cpu_mohawk_suspend_size
.equ cpu_mohawk_suspend_size, 4 * 6
#ifdef CONFIG_ARM_CPU_SUSPEND
-ENTRY(cpu_mohawk_do_suspend)
+SYM_TYPED_FUNC_START(cpu_mohawk_do_suspend)
stmfd sp!, {r4 - r9, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
mrc p15, 0, r5, c15, c1, 0 @ CP access reg
@@ -351,9 +359,9 @@ ENTRY(cpu_mohawk_do_suspend)
bic r4, r4, #2 @ clear frequency change bit
stmia r0, {r4 - r9} @ store cp regs
ldmia sp!, {r4 - r9, pc}
-ENDPROC(cpu_mohawk_do_suspend)
+SYM_FUNC_END(cpu_mohawk_do_suspend)
-ENTRY(cpu_mohawk_do_resume)
+SYM_TYPED_FUNC_START(cpu_mohawk_do_resume)
ldmia r0, {r4 - r9} @ load cp regs
mov ip, #0
mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB
@@ -369,7 +377,7 @@ ENTRY(cpu_mohawk_do_resume)
mcr p15, 0, r8, c1, c0, 1 @ auxiliary control reg
mov r0, r9 @ control register
b cpu_resume_mmu
-ENDPROC(cpu_mohawk_do_resume)
+SYM_FUNC_END(cpu_mohawk_do_resume)
#endif
.type __mohawk_setup, #function