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| author | Paul Mundt <lethal@linux-sh.org> | 2006-12-26 15:29:19 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-02-13 10:54:44 +0900 |
| commit | 7a847f819063b80cc5b38d39e8aad4d60f6ca2fd (patch) | |
| tree | f60ac00a1860d188e83f31883df7be807e500bff /include/asm-sh | |
| parent | aa4a5db52a440d32eab134bfb79d2c9af71eedb4 (diff) | |
| download | op-kernel-dev-7a847f819063b80cc5b38d39e8aad4d60f6ca2fd.zip op-kernel-dev-7a847f819063b80cc5b38d39e8aad4d60f6ca2fd.tar.gz | |
sh: More tidying for large base pages.
There were a few more things that needed fixing up, namely THREAD_SIZE
and the TLB miss handler where certain PTRS_PER_PGD == PTRS_PER_PTE
assumptions were being made.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh')
| -rw-r--r-- | include/asm-sh/pgtable.h | 4 | ||||
| -rw-r--r-- | include/asm-sh/thread_info.h | 16 |
2 files changed, 14 insertions, 6 deletions
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h index 036ca28..eba1418 100644 --- a/include/asm-sh/pgtable.h +++ b/include/asm-sh/pgtable.h @@ -47,13 +47,13 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; #define PGDIR_MASK (~(PGDIR_SIZE-1)) /* Entries per level */ -#define PTRS_PER_PTE (PAGE_SIZE / 4) +#define PTRS_PER_PTE (PAGE_SIZE / (1 << PTE_MAGNITUDE)) #define PTRS_PER_PGD (PAGE_SIZE / 4) #define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) #define FIRST_USER_ADDRESS 0 -#define PTE_PHYS_MASK 0x1ffff000 +#define PTE_PHYS_MASK (0x20000000 - PAGE_SIZE) /* * First 1MB map is used by fixed purpose. diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h index 879f741..279e70a 100644 --- a/include/asm-sh/thread_info.h +++ b/include/asm-sh/thread_info.h @@ -32,12 +32,20 @@ struct thread_info { #define PREEMPT_ACTIVE 0x10000000 -#ifdef CONFIG_4KSTACKS -#define THREAD_SIZE (PAGE_SIZE) +#if defined(CONFIG_4KSTACKS) +#define THREAD_SIZE_ORDER (0) +#elif defined(CONFIG_PAGE_SIZE_4KB) +#define THREAD_SIZE_ORDER (1) +#elif defined(CONFIG_PAGE_SIZE_8KB) +#define THREAD_SIZE_ORDER (1) +#elif defined(CONFIG_PAGE_SIZE_64KB) +#define THREAD_SIZE_ORDER (0) #else -#define THREAD_SIZE (PAGE_SIZE * 2) +#error "Unknown thread size" #endif -#define STACK_WARN (THREAD_SIZE / 8) + +#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) +#define STACK_WARN (THREAD_SIZE >> 3) /* * macros/functions for gaining access to the thread information structure |
