diff options
| author | John Stultz <john.stultz@linaro.org> | 2011-11-11 15:29:25 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-11-11 15:29:25 -0800 |
| commit | c3e5127312f97482a6a09c0df602c726675eff5b (patch) | |
| tree | 9082d8201a1daac5ff019ef50322d551711eb250 /arch/arm/include/asm/proc-fns.h | |
| parent | 5e537f041bd05cddee0d2a2fb3013ee642064cc6 (diff) | |
| parent | f171dfebbdf1de4b6ca267285739e190f95f84cc (diff) | |
Merge branch 'upstream/linaro-3.1' into linaro-android-3.1-agreen-rebaselinux-linaro-3.1-2011.11-0-android-0
Diffstat (limited to 'arch/arm/include/asm/proc-fns.h')
| -rw-r--r-- | arch/arm/include/asm/proc-fns.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index 9e92cb205e6..f3628fb3d2b 100644 --- a/arch/arm/include/asm/proc-fns.h +++ b/arch/arm/include/asm/proc-fns.h @@ -65,7 +65,11 @@ extern struct processor { * Set a possibly extended PTE. Non-extended PTEs should * ignore 'ext'. */ +#ifdef CONFIG_ARM_LPAE + void (*set_pte_ext)(pte_t *ptep, pte_t pte); +#else void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); +#endif /* Suspend/resume */ unsigned int suspend_size; @@ -79,7 +83,11 @@ extern void cpu_proc_fin(void); extern int cpu_do_idle(void); extern void cpu_dcache_clean_area(void *, int); extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); +#ifdef CONFIG_ARM_LPAE +extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte); +#else extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); +#endif extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); /* These three are private to arch/arm/kernel/suspend.c */ @@ -107,6 +115,18 @@ extern void cpu_resume(void); #define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm) +#ifdef CONFIG_ARM_LPAE +#define cpu_get_pgd() \ + ({ \ + unsigned long pg, pg2; \ + __asm__("mrrc p15, 0, %0, %1, c2" \ + : "=r" (pg), "=r" (pg2) \ + : \ + : "cc"); \ + pg &= ~(PTRS_PER_PGD*sizeof(pgd_t)-1); \ + (pgd_t *)phys_to_virt(pg); \ + }) +#else #define cpu_get_pgd() \ ({ \ unsigned long pg; \ @@ -115,6 +135,7 @@ extern void cpu_resume(void); pg &= ~0x3fff; \ (pgd_t *)phys_to_virt(pg); \ }) +#endif #endif |