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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-05-21 20:15:05 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-05-22 09:13:55 +0200 |
| commit | 79a34e861d4124ba47e2a0b66ca72ff69b799663 (patch) | |
| tree | 7ccc86591d4bb4a6d83539167c620845a3dac86d /arch/arm/cpu/mmu.c | |
| parent | 6419c463d28ff4a48a1a9244c57644497f59ddb6 (diff) | |
| download | barebox-79a34e861d4124ba47e2a0b66ca72ff69b799663.tar.gz barebox-79a34e861d4124ba47e2a0b66ca72ff69b799663.tar.xz | |
ARM: mmu: Use find_pte() to find PTE in create_vector_table()
There's already a function that implement necessary arithemtic to find
offset within page table for a given address, so make use of it
instead of re-implementing it again.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/cpu/mmu.c')
| -rw-r--r-- | arch/arm/cpu/mmu.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 21394deb13..f9e4d1a506 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -272,8 +272,7 @@ static void create_vector_table(unsigned long adr) { struct resource *vectors_sdram; void *vectors; - u32 *exc; - int idx; + u32 *pte; vectors_sdram = request_sdram_region("vector table", adr, PAGE_SIZE); if (vectors_sdram) { @@ -293,9 +292,9 @@ static void create_vector_table(unsigned long adr) vectors = xmemalign(PAGE_SIZE, PAGE_SIZE); pr_debug("Creating vector table, virt = 0x%p, phys = 0x%08lx\n", vectors, adr); - exc = arm_create_pte(adr, pte_flags_uncached); - idx = (adr & (PGDIR_SIZE - 1)) >> PAGE_SHIFT; - exc[idx] = (u32)vectors | PTE_TYPE_SMALL | pte_flags_cached; + arm_create_pte(adr, pte_flags_uncached); + pte = find_pte(adr); + *pte = (u32)vectors | PTE_TYPE_SMALL | pte_flags_cached; } arm_fixup_vectors(); |