diff options
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable.h | 4 | ||||
-rw-r--r-- | arch/powerpc/include/asm/code-patching.h | 5 | ||||
-rw-r--r-- | arch/powerpc/include/asm/mmu-8xx.h | 43 | ||||
-rw-r--r-- | arch/powerpc/include/asm/nohash/64/pgtable.h | 4 | ||||
-rw-r--r-- | arch/powerpc/include/asm/processor.h | 6 | ||||
-rw-r--r-- | arch/powerpc/include/asm/rtas.h | 1 | ||||
-rw-r--r-- | arch/powerpc/include/uapi/asm/ioctls.h | 2 |
7 files changed, 25 insertions, 40 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index c4a726c10af5..6c99e846a8c9 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -716,9 +716,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) BUILD_BUG_ON(_PAGE_HPTEFLAGS & (0x1f << _PAGE_BIT_SWAP_TYPE)); \ BUILD_BUG_ON(_PAGE_HPTEFLAGS & _PAGE_SWP_SOFT_DIRTY); \ } while (0) -/* - * on pte we don't need handle RADIX_TREE_EXCEPTIONAL_SHIFT; - */ + #define SWP_TYPE_BITS 5 #define __swp_type(x) (((x).val >> _PAGE_BIT_SWAP_TYPE) \ & ((1UL << SWP_TYPE_BITS) - 1)) diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index 31733a95bbd0..3d5acd2b113a 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -36,6 +36,11 @@ int raw_patch_instruction(unsigned int *addr, unsigned int instr); int patch_instruction_site(s32 *addr, unsigned int instr); int patch_branch_site(s32 *site, unsigned long target, int flags); +static inline unsigned long patch_site_addr(s32 *site) +{ + return (unsigned long)site + *site; +} + int instr_is_relative_branch(unsigned int instr); int instr_is_relative_link_branch(unsigned int instr); int instr_is_branch_to_addr(const unsigned int *instr, unsigned long addr); diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h index 4f547752ae79..fa05aa566ece 100644 --- a/arch/powerpc/include/asm/mmu-8xx.h +++ b/arch/powerpc/include/asm/mmu-8xx.h @@ -34,20 +34,12 @@ * respectively NA for All or X for Supervisor and no access for User. * Then we use the APG to say whether accesses are according to Page rules or * "all Supervisor" rules (Access to all) - * We also use the 2nd APG bit for _PAGE_ACCESSED when having SWAP: - * When that bit is not set access is done iaw "all user" - * which means no access iaw page rules. - * Therefore, we define 4 APG groups. lsb is _PMD_USER, 2nd is _PAGE_ACCESSED - * 0x => No access => 11 (all accesses performed as user iaw page definition) - * 10 => No user => 01 (all accesses performed according to page definition) - * 11 => User => 00 (all accesses performed as supervisor iaw page definition) + * Therefore, we define 2 APG groups. lsb is _PMD_USER + * 0 => No user => 01 (all accesses performed according to page definition) + * 1 => User => 00 (all accesses performed as supervisor iaw page definition) * We define all 16 groups so that all other bits of APG can take any value */ -#ifdef CONFIG_SWAP -#define MI_APG_INIT 0xf4f4f4f4 -#else #define MI_APG_INIT 0x44444444 -#endif /* The effective page number register. When read, contains the information * about the last instruction TLB miss. When MI_RPN is written, bits in @@ -115,20 +107,12 @@ * Supervisor and no access for user and NA for ALL. * Then we use the APG to say whether accesses are according to Page rules or * "all Supervisor" rules (Access to all) - * We also use the 2nd APG bit for _PAGE_ACCESSED when having SWAP: - * When that bit is not set access is done iaw "all user" - * which means no access iaw page rules. - * Therefore, we define 4 APG groups. lsb is _PMD_USER, 2nd is _PAGE_ACCESSED - * 0x => No access => 11 (all accesses performed as user iaw page definition) - * 10 => No user => 01 (all accesses performed according to page definition) - * 11 => User => 00 (all accesses performed as supervisor iaw page definition) + * Therefore, we define 2 APG groups. lsb is _PMD_USER + * 0 => No user => 01 (all accesses performed according to page definition) + * 1 => User => 00 (all accesses performed as supervisor iaw page definition) * We define all 16 groups so that all other bits of APG can take any value */ -#ifdef CONFIG_SWAP -#define MD_APG_INIT 0xf4f4f4f4 -#else #define MD_APG_INIT 0x44444444 -#endif /* The effective page number register. When read, contains the information * about the last instruction TLB miss. When MD_RPN is written, bits in @@ -180,12 +164,6 @@ */ #define SPRN_M_TW 799 -/* APGs */ -#define M_APG0 0x00000000 -#define M_APG1 0x00000020 -#define M_APG2 0x00000040 -#define M_APG3 0x00000060 - #ifdef CONFIG_PPC_MM_SLICES #include <asm/nohash/32/slice.h> #define SLICE_ARRAY_SIZE (1 << (32 - SLICE_LOW_SHIFT - 1)) @@ -251,6 +229,15 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) BUG(); } +/* patch sites */ +extern s32 patch__itlbmiss_linmem_top; +extern s32 patch__dtlbmiss_linmem_top, patch__dtlbmiss_immr_jmp; +extern s32 patch__fixupdar_linmem_top; + +extern s32 patch__itlbmiss_exit_1, patch__itlbmiss_exit_2; +extern s32 patch__dtlbmiss_exit_1, patch__dtlbmiss_exit_2, patch__dtlbmiss_exit_3; +extern s32 patch__itlbmiss_perf, patch__dtlbmiss_perf; + #endif /* !__ASSEMBLY__ */ #if defined(CONFIG_PPC_4K_PAGES) diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 67421f74efcf..e77ed9761632 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -350,9 +350,7 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, #define MAX_SWAPFILES_CHECK() do { \ BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS); \ } while (0) -/* - * on pte we don't need handle RADIX_TREE_EXCEPTIONAL_SHIFT; - */ + #define SWP_TYPE_BITS 5 #define __swp_type(x) (((x).val >> _PAGE_BIT_SWAP_TYPE) \ & ((1UL << SWP_TYPE_BITS) - 1)) diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 7d04d60a39c9..ee58526cb6c2 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -67,12 +67,6 @@ extern int _chrp_type; #endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */ -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ __label__ _l; _l: &&_l;}) - /* Macros for adjusting thread priority (hardware multi-threading) */ #define HMT_very_low() asm volatile("or 31,31,31 # very low priority") #define HMT_low() asm volatile("or 1,1,1 # low priority") diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index bb38dd67d47d..1b06add4f092 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -5,6 +5,7 @@ #include <linux/spinlock.h> #include <asm/page.h> #include <linux/time.h> +#include <linux/cpumask.h> /* * Definitions for talking to the RTAS on CHRP machines. diff --git a/arch/powerpc/include/uapi/asm/ioctls.h b/arch/powerpc/include/uapi/asm/ioctls.h index 41b1a5c15734..2c145da3b774 100644 --- a/arch/powerpc/include/uapi/asm/ioctls.h +++ b/arch/powerpc/include/uapi/asm/ioctls.h @@ -102,6 +102,8 @@ #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ #define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */ +#define TIOCGISO7816 _IOR('T', 0x42, struct serial_iso7816) +#define TIOCSISO7816 _IOWR('T', 0x43, struct serial_iso7816) #define TIOCSERCONFIG 0x5453 #define TIOCSERGWILD 0x5454 |