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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-12 00:55:47 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-12 00:55:47 -0400
commite86908614f2c7fec401827e5cefd7a6ea9407f85 (patch)
treefcb5d9e52422b37bdaf0e647126ebdfc1680f162 /include/asm-powerpc/page_64.h
parent547307420931344a868275bd7ea7a30f117a15a9 (diff)
parent9b4b8feb962f4b3e74768b7205f1f8f6cce87238 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits) [POWERPC] Add memchr() to the bootwrapper [POWERPC] Implement logging of unhandled signals [POWERPC] Add legacy serial support for OPB with flattened device tree [POWERPC] Use 1TB segments [POWERPC] XilinxFB: Allow fixed framebuffer base address [POWERPC] XilinxFB: Add support for custom screen resolution [POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters [POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci [POWERPC] 4xx: Kilauea defconfig file [POWERPC] 4xx: Kilauea DTS [POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x [POWERPC] 4xx: Add AMCC 405EX support to cputable.c [POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable [POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers [POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig [POWERPC] 85xx: Killed <asm/mpc85xx.h> [POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS [POWERPC] 85xx: Convert mpc8560ads to the new CPM binding. [POWERPC] mpc8272ads: Remove muram from the CPM reg property. [POWERPC] Make clockevents work on PPC601 processors ... Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.
Diffstat (limited to 'include/asm-powerpc/page_64.h')
-rw-r--r--include/asm-powerpc/page_64.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
index 3448a3d4bc64..4ee82c61e4d7 100644
--- a/include/asm-powerpc/page_64.h
+++ b/include/asm-powerpc/page_64.h
@@ -26,12 +26,18 @@
26 */ 26 */
27#define PAGE_FACTOR (PAGE_SHIFT - HW_PAGE_SHIFT) 27#define PAGE_FACTOR (PAGE_SHIFT - HW_PAGE_SHIFT)
28 28
29/* Segment size */ 29/* Segment size; normal 256M segments */
30#define SID_SHIFT 28 30#define SID_SHIFT 28
31#define SID_MASK 0xfffffffffUL 31#define SID_MASK ASM_CONST(0xfffffffff)
32#define ESID_MASK 0xfffffffff0000000UL 32#define ESID_MASK 0xfffffffff0000000UL
33#define GET_ESID(x) (((x) >> SID_SHIFT) & SID_MASK) 33#define GET_ESID(x) (((x) >> SID_SHIFT) & SID_MASK)
34 34
35/* 1T segments */
36#define SID_SHIFT_1T 40
37#define SID_MASK_1T 0xffffffUL
38#define ESID_MASK_1T 0xffffff0000000000UL
39#define GET_ESID_1T(x) (((x) >> SID_SHIFT_1T) & SID_MASK_1T)
40
35#ifndef __ASSEMBLY__ 41#ifndef __ASSEMBLY__
36#include <asm/cache.h> 42#include <asm/cache.h>
37 43
@@ -121,6 +127,7 @@ extern unsigned int get_slice_psize(struct mm_struct *mm,
121 127
122extern void slice_init_context(struct mm_struct *mm, unsigned int psize); 128extern void slice_init_context(struct mm_struct *mm, unsigned int psize);
123extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize); 129extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize);
130#define slice_mm_new_context(mm) ((mm)->context.id == 0)
124 131
125#define ARCH_HAS_HUGEPAGE_ONLY_RANGE 132#define ARCH_HAS_HUGEPAGE_ONLY_RANGE
126extern int is_hugepage_only_range(struct mm_struct *m, 133extern int is_hugepage_only_range(struct mm_struct *m,
@@ -130,6 +137,12 @@ extern int is_hugepage_only_range(struct mm_struct *m,
130#endif /* __ASSEMBLY__ */ 137#endif /* __ASSEMBLY__ */
131#else 138#else
132#define slice_init() 139#define slice_init()
140#define slice_set_user_psize(mm, psize) \
141do { \
142 (mm)->context.user_psize = (psize); \
143 (mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \
144} while (0)
145#define slice_mm_new_context(mm) 1
133#endif /* CONFIG_PPC_MM_SLICES */ 146#endif /* CONFIG_PPC_MM_SLICES */
134 147
135#ifdef CONFIG_HUGETLB_PAGE 148#ifdef CONFIG_HUGETLB_PAGE