File: [Development] / linux-2.6-xfs / include / asm-sparc64 / Attic / spitfire.h (download)
Revision 1.5, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.4: +7 -0
lines
Update 2.6.x-xfs to 2.6.23-rc4.
Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:
--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
xfs ioctl __user annotations
commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
mm: Remove slab destructors from kmem_cache_create().
commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
mm: fault feedback #1
commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
mm: merge populate and nopage into fault (fixes nonlinear)
commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
mm: fix fault vs invalidate race for linear mappings
commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
knfsd: exportfs: add exportfs.h header
commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
Freezer: make kernel threads nonfreezable by default
commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
mm: clean up and kernelify shrinker registration
commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
Add suspend-related notifications for CPU hotplug
commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
Fix occurrences of "the the "
commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.
|
/* $Id: spitfire.h,v 1.18 2001/11/29 16:42:10 kanoj Exp $
* spitfire.h: SpitFire/BlackBird/Cheetah inline MMU operations.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC64_SPITFIRE_H
#define _SPARC64_SPITFIRE_H
#include <asm/asi.h>
/* The following register addresses are accessible via ASI_DMMU
* and ASI_IMMU, that is there is a distinct and unique copy of
* each these registers for each TLB.
*/
#define TSB_TAG_TARGET 0x0000000000000000 /* All chips */
#define TLB_SFSR 0x0000000000000018 /* All chips */
#define TSB_REG 0x0000000000000028 /* All chips */
#define TLB_TAG_ACCESS 0x0000000000000030 /* All chips */
#define VIRT_WATCHPOINT 0x0000000000000038 /* All chips */
#define PHYS_WATCHPOINT 0x0000000000000040 /* All chips */
#define TSB_EXTENSION_P 0x0000000000000048 /* Ultra-III and later */
#define TSB_EXTENSION_S 0x0000000000000050 /* Ultra-III and later, D-TLB only */
#define TSB_EXTENSION_N 0x0000000000000058 /* Ultra-III and later */
#define TLB_TAG_ACCESS_EXT 0x0000000000000060 /* Ultra-III+ and later */
/* These registers only exist as one entity, and are accessed
* via ASI_DMMU only.
*/
#define PRIMARY_CONTEXT 0x0000000000000008
#define SECONDARY_CONTEXT 0x0000000000000010
#define DMMU_SFAR 0x0000000000000020
#define VIRT_WATCHPOINT 0x0000000000000038
#define PHYS_WATCHPOINT 0x0000000000000040
#define SPITFIRE_HIGHEST_LOCKED_TLBENT (64 - 1)
#define CHEETAH_HIGHEST_LOCKED_TLBENT (16 - 1)
#define L1DCACHE_SIZE 0x4000
#define SUN4V_CHIP_INVALID 0x00
#define SUN4V_CHIP_NIAGARA1 0x01
#define SUN4V_CHIP_NIAGARA2 0x02
#define SUN4V_CHIP_UNKNOWN 0xff
#ifndef __ASSEMBLY__
enum ultra_tlb_layout {
spitfire = 0,
cheetah = 1,
cheetah_plus = 2,
hypervisor = 3,
};
extern enum ultra_tlb_layout tlb_type;
extern int sun4v_chip_type;
extern int cheetah_pcache_forced_on;
extern void cheetah_enable_pcache(void);
#define sparc64_highest_locked_tlbent() \
(tlb_type == spitfire ? \
SPITFIRE_HIGHEST_LOCKED_TLBENT : \
CHEETAH_HIGHEST_LOCKED_TLBENT)
/* The data cache is write through, so this just invalidates the
* specified line.
*/
static __inline__ void spitfire_put_dcache_tag(unsigned long addr, unsigned long tag)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (tag), "r" (addr), "i" (ASI_DCACHE_TAG));
}
/* The instruction cache lines are flushed with this, but note that
* this does not flush the pipeline. It is possible for a line to
* get flushed but stale instructions to still be in the pipeline,
* a flush instruction (to any address) is sufficient to handle
* this issue after the line is invalidated.
*/
static __inline__ void spitfire_put_icache_tag(unsigned long addr, unsigned long tag)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (tag), "r" (addr), "i" (ASI_IC_TAG));
}
static __inline__ unsigned long spitfire_get_dtlb_data(int entry)
{
unsigned long data;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (data)
: "r" (entry << 3), "i" (ASI_DTLB_DATA_ACCESS));
/* Clear TTE diag bits. */
data &= ~0x0003fe0000000000UL;
return data;
}
static __inline__ unsigned long spitfire_get_dtlb_tag(int entry)
{
unsigned long tag;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (tag)
: "r" (entry << 3), "i" (ASI_DTLB_TAG_READ));
return tag;
}
static __inline__ void spitfire_put_dtlb_data(int entry, unsigned long data)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (data), "r" (entry << 3),
"i" (ASI_DTLB_DATA_ACCESS));
}
static __inline__ unsigned long spitfire_get_itlb_data(int entry)
{
unsigned long data;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (data)
: "r" (entry << 3), "i" (ASI_ITLB_DATA_ACCESS));
/* Clear TTE diag bits. */
data &= ~0x0003fe0000000000UL;
return data;
}
static __inline__ unsigned long spitfire_get_itlb_tag(int entry)
{
unsigned long tag;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (tag)
: "r" (entry << 3), "i" (ASI_ITLB_TAG_READ));
return tag;
}
static __inline__ void spitfire_put_itlb_data(int entry, unsigned long data)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (data), "r" (entry << 3),
"i" (ASI_ITLB_DATA_ACCESS));
}
static __inline__ void spitfire_flush_dtlb_nucleus_page(unsigned long page)
{
__asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
"membar #Sync"
: /* No outputs */
: "r" (page | 0x20), "i" (ASI_DMMU_DEMAP));
}
static __inline__ void spitfire_flush_itlb_nucleus_page(unsigned long page)
{
__asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
"membar #Sync"
: /* No outputs */
: "r" (page | 0x20), "i" (ASI_IMMU_DEMAP));
}
/* Cheetah has "all non-locked" tlb flushes. */
static __inline__ void cheetah_flush_dtlb_all(void)
{
__asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
"membar #Sync"
: /* No outputs */
: "r" (0x80), "i" (ASI_DMMU_DEMAP));
}
static __inline__ void cheetah_flush_itlb_all(void)
{
__asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
"membar #Sync"
: /* No outputs */
: "r" (0x80), "i" (ASI_IMMU_DEMAP));
}
/* Cheetah has a 4-tlb layout so direct access is a bit different.
* The first two TLBs are fully assosciative, hold 16 entries, and are
* used only for locked and >8K sized translations. One exists for
* data accesses and one for instruction accesses.
*
* The third TLB is for data accesses to 8K non-locked translations, is
* 2 way assosciative, and holds 512 entries. The fourth TLB is for
* instruction accesses to 8K non-locked translations, is 2 way
* assosciative, and holds 128 entries.
*
* Cheetah has some bug where bogus data can be returned from
* ASI_{D,I}TLB_DATA_ACCESS loads, doing the load twice fixes
* the problem for me. -DaveM
*/
static __inline__ unsigned long cheetah_get_ldtlb_data(int entry)
{
unsigned long data;
__asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
"ldxa [%1] %2, %0"
: "=r" (data)
: "r" ((0 << 16) | (entry << 3)),
"i" (ASI_DTLB_DATA_ACCESS));
return data;
}
static __inline__ unsigned long cheetah_get_litlb_data(int entry)
{
unsigned long data;
__asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
"ldxa [%1] %2, %0"
: "=r" (data)
: "r" ((0 << 16) | (entry << 3)),
"i" (ASI_ITLB_DATA_ACCESS));
return data;
}
static __inline__ unsigned long cheetah_get_ldtlb_tag(int entry)
{
unsigned long tag;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (tag)
: "r" ((0 << 16) | (entry << 3)),
"i" (ASI_DTLB_TAG_READ));
return tag;
}
static __inline__ unsigned long cheetah_get_litlb_tag(int entry)
{
unsigned long tag;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (tag)
: "r" ((0 << 16) | (entry << 3)),
"i" (ASI_ITLB_TAG_READ));
return tag;
}
static __inline__ void cheetah_put_ldtlb_data(int entry, unsigned long data)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (data),
"r" ((0 << 16) | (entry << 3)),
"i" (ASI_DTLB_DATA_ACCESS));
}
static __inline__ void cheetah_put_litlb_data(int entry, unsigned long data)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (data),
"r" ((0 << 16) | (entry << 3)),
"i" (ASI_ITLB_DATA_ACCESS));
}
static __inline__ unsigned long cheetah_get_dtlb_data(int entry, int tlb)
{
unsigned long data;
__asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
"ldxa [%1] %2, %0"
: "=r" (data)
: "r" ((tlb << 16) | (entry << 3)), "i" (ASI_DTLB_DATA_ACCESS));
return data;
}
static __inline__ unsigned long cheetah_get_dtlb_tag(int entry, int tlb)
{
unsigned long tag;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (tag)
: "r" ((tlb << 16) | (entry << 3)), "i" (ASI_DTLB_TAG_READ));
return tag;
}
static __inline__ void cheetah_put_dtlb_data(int entry, unsigned long data, int tlb)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (data),
"r" ((tlb << 16) | (entry << 3)),
"i" (ASI_DTLB_DATA_ACCESS));
}
static __inline__ unsigned long cheetah_get_itlb_data(int entry)
{
unsigned long data;
__asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
"ldxa [%1] %2, %0"
: "=r" (data)
: "r" ((2 << 16) | (entry << 3)),
"i" (ASI_ITLB_DATA_ACCESS));
return data;
}
static __inline__ unsigned long cheetah_get_itlb_tag(int entry)
{
unsigned long tag;
__asm__ __volatile__("ldxa [%1] %2, %0"
: "=r" (tag)
: "r" ((2 << 16) | (entry << 3)), "i" (ASI_ITLB_TAG_READ));
return tag;
}
static __inline__ void cheetah_put_itlb_data(int entry, unsigned long data)
{
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"membar #Sync"
: /* No outputs */
: "r" (data), "r" ((2 << 16) | (entry << 3)),
"i" (ASI_ITLB_DATA_ACCESS));
}
#endif /* !(__ASSEMBLY__) */
#endif /* !(_SPARC64_SPITFIRE_H) */
![[BACK]](/icons/back.gif){kind=icon}
Return to spitfire.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [Development] / linux-2.6-xfs / include / asm-sparc64