diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/entry.S | 10 |
2 files changed, 5 insertions, 7 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 4f3891215b8..04cbc88e9b9 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -596,6 +596,8 @@ menu "Boot options" config ZERO_PAGE_OFFSET hex "Zero page offset" default "0x00004000" if SH_MPC1211 || SH_SH03 + default "0x00010000" if PAGE_SIZE_64KB + default "0x00002000" if PAGE_SIZE_8KB default "0x00001000" help This sets the default offset of zero page. diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 014ac37ca16..1c520358ba9 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -332,12 +332,6 @@ general_exception: ! ! -/* This code makes some assumptions to improve performance. - * Make sure they are stil true. */ -#if PTRS_PER_PGD != PTRS_PER_PTE -#error PGD and PTE sizes don't match -#endif - /* gas doesn't flag impossible values for mov #immediate as an error */ #if (_PAGE_PRESENT >> 2) > 0x7f #error cannot load PAGE_PRESENT as an immediate @@ -399,6 +393,7 @@ tlb_miss: bt 20f ! 110 BR + mov.w 3f, k3 ! 8 LS (latency=2) (PTRS_PER_PTE-1) << 2 and k3, k0 ! 78 EX mov.w 5f, k4 ! 8 LS (latency=2) _PAGE_PRESENT @@ -491,8 +486,9 @@ tlb_miss: .align 5 ! Once cache line if possible... 1: .long swapper_pg_dir +3: .short (PTRS_PER_PTE-1) << 2 4: .short (PTRS_PER_PGD-1) << 2 -5: .short _PAGE_PRESENT +5: .long _PAGE_PRESENT 7: .long _PAGE_FLAGS_HARDWARE_MASK 8: .long MMU_PTEH #ifdef COUNT_EXCEPTIONS |