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De-inline the tlb demap functions. These were so big that gcc3.1 refused

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to inline them anyway.  ;)
This commit is contained in:
Jake Burkholder 2002-05-20 16:10:17 +00:00
parent 5818927a00
commit f7c81a5182
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=96998
3 changed files with 144 additions and 100 deletions
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1
sys/conf/files.sparc64
View File

@ -63,6 +63,7 @@ sparc64/sparc64/support.s standard
sparc64/sparc64/sys_machdep.c standard
sparc64/sparc64/swtch.s standard
sparc64/sparc64/tick.c standard
sparc64/sparc64/tlb.c standard
sparc64/sparc64/trap.c standard
sparc64/sparc64/tsb.c standard
sparc64/sparc64/vm_machdep.c standard

103
sys/sparc64/include/tlb.h
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@ -83,106 +83,9 @@
extern int kernel_tlb_slots;
extern struct tte *kernel_ttes;
/*
* Some tlb operations must be atomic, so no interrupt or trap can be allowed
* while they are in progress. Traps should not happen, but interrupts need to
* be explicitely disabled. critical_enter() cannot be used here, since it only
* disables soft interrupts.
*/
static __inline void
tlb_context_demap(struct pmap *pm)
{
void *cookie;
u_long s;
/*
* It is important that we are not interrupted or preempted while
* doing the IPIs. The interrupted CPU may hold locks, and since
* it will wait for the CPU that sent the IPI, this can lead
* to a deadlock when an interrupt comes in on that CPU and it's
* handler tries to grab one of that locks. This will only happen for
* spin locks, but these IPI types are delivered even if normal
* interrupts are disabled, so the lock critical section will not
* protect the target processor from entering the IPI handler with
* the lock held.
*/
critical_enter();
cookie = ipi_tlb_context_demap(pm);
if (pm->pm_active & PCPU_GET(cpumask)) {
KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
("tlb_context_demap: inactive pmap?"));
s = intr_disable();
stxa(TLB_DEMAP_PRIMARY | TLB_DEMAP_CONTEXT, ASI_DMMU_DEMAP, 0);
stxa(TLB_DEMAP_PRIMARY | TLB_DEMAP_CONTEXT, ASI_IMMU_DEMAP, 0);
membar(Sync);
intr_restore(s);
}
ipi_wait(cookie);
critical_exit();
}
static __inline void
tlb_page_demap(u_int tlb, struct pmap *pm, vm_offset_t va)
{
u_long flags;
void *cookie;
u_long s;
critical_enter();
cookie = ipi_tlb_page_demap(tlb, pm, va);
if (pm->pm_active & PCPU_GET(cpumask)) {
KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
("tlb_page_demap: inactive pmap?"));
if (pm == kernel_pmap)
flags = TLB_DEMAP_NUCLEUS | TLB_DEMAP_PAGE;
else
flags = TLB_DEMAP_PRIMARY | TLB_DEMAP_PAGE;
s = intr_disable();
if (tlb & TLB_DTLB) {
stxa(TLB_DEMAP_VA(va) | flags, ASI_DMMU_DEMAP, 0);
membar(Sync);
}
if (tlb & TLB_ITLB) {
stxa(TLB_DEMAP_VA(va) | flags, ASI_IMMU_DEMAP, 0);
membar(Sync);
}
intr_restore(s);
}
ipi_wait(cookie);
critical_exit();
}
static __inline void
tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
{
vm_offset_t va;
void *cookie;
u_long flags;
u_long s;
critical_enter();
cookie = ipi_tlb_range_demap(pm, start, end);
if (pm->pm_active & PCPU_GET(cpumask)) {
KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
("tlb_range_demap: inactive pmap?"));
if (pm == kernel_pmap)
flags = TLB_DEMAP_NUCLEUS | TLB_DEMAP_PAGE;
else
flags = TLB_DEMAP_PRIMARY | TLB_DEMAP_PAGE;
s = intr_disable();
for (va = start; va < end; va += PAGE_SIZE) {
stxa(TLB_DEMAP_VA(va) | flags, ASI_DMMU_DEMAP, 0);
stxa(TLB_DEMAP_VA(va) | flags, ASI_IMMU_DEMAP, 0);
membar(Sync);
}
intr_restore(s);
}
ipi_wait(cookie);
critical_exit();
}
void tlb_context_demap(struct pmap *pm);
void tlb_page_demap(u_int tlb, struct pmap *pm, vm_offset_t va);
void tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end);
#define tlb_tte_demap(tte, pm) \
tlb_page_demap(TD_GET_TLB((tte).tte_data), pm, \

140
sys/sparc64/sparc64/tlb.c Normal file
View File

@ -0,0 +1,140 @@
/*-
* Copyright (c) 2001 Jake Burkholder.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/pcpu.h>
#include <sys/smp.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/pmap.h>
#include <machine/smp.h>
#include <machine/tlb.h>
/*
* Some tlb operations must be atomic, so no interrupt or trap can be allowed
* while they are in progress. Traps should not happen, but interrupts need to
* be explicitely disabled. critical_enter() cannot be used here, since it only
* disables soft interrupts.
*/
void
tlb_context_demap(struct pmap *pm)
{
void *cookie;
u_long s;
/*
* It is important that we are not interrupted or preempted while
* doing the IPIs. The interrupted CPU may hold locks, and since
* it will wait for the CPU that sent the IPI, this can lead
* to a deadlock when an interrupt comes in on that CPU and it's
* handler tries to grab one of that locks. This will only happen for
* spin locks, but these IPI types are delivered even if normal
* interrupts are disabled, so the lock critical section will not
* protect the target processor from entering the IPI handler with
* the lock held.
*/
critical_enter();
cookie = ipi_tlb_context_demap(pm);
if (pm->pm_active & PCPU_GET(cpumask)) {
KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
("tlb_context_demap: inactive pmap?"));
s = intr_disable();
stxa(TLB_DEMAP_PRIMARY | TLB_DEMAP_CONTEXT, ASI_DMMU_DEMAP, 0);
stxa(TLB_DEMAP_PRIMARY | TLB_DEMAP_CONTEXT, ASI_IMMU_DEMAP, 0);
membar(Sync);
intr_restore(s);
}
ipi_wait(cookie);
critical_exit();
}
void
tlb_page_demap(u_int tlb, struct pmap *pm, vm_offset_t va)
{
u_long flags;
void *cookie;
u_long s;
critical_enter();
cookie = ipi_tlb_page_demap(tlb, pm, va);
if (pm->pm_active & PCPU_GET(cpumask)) {
KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
("tlb_page_demap: inactive pmap?"));
if (pm == kernel_pmap)
flags = TLB_DEMAP_NUCLEUS | TLB_DEMAP_PAGE;
else
flags = TLB_DEMAP_PRIMARY | TLB_DEMAP_PAGE;
s = intr_disable();
if (tlb & TLB_DTLB) {
stxa(TLB_DEMAP_VA(va) | flags, ASI_DMMU_DEMAP, 0);
membar(Sync);
}
if (tlb & TLB_ITLB) {
stxa(TLB_DEMAP_VA(va) | flags, ASI_IMMU_DEMAP, 0);
membar(Sync);
}
intr_restore(s);
}
ipi_wait(cookie);
critical_exit();
}
void
tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
{
vm_offset_t va;
void *cookie;
u_long flags;
u_long s;
critical_enter();
cookie = ipi_tlb_range_demap(pm, start, end);
if (pm->pm_active & PCPU_GET(cpumask)) {
KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
("tlb_range_demap: inactive pmap?"));
if (pm == kernel_pmap)
flags = TLB_DEMAP_NUCLEUS | TLB_DEMAP_PAGE;
else
flags = TLB_DEMAP_PRIMARY | TLB_DEMAP_PAGE;
s = intr_disable();
for (va = start; va < end; va += PAGE_SIZE) {
stxa(TLB_DEMAP_VA(va) | flags, ASI_DMMU_DEMAP, 0);
stxa(TLB_DEMAP_VA(va) | flags, ASI_IMMU_DEMAP, 0);
membar(Sync);
}
intr_restore(s);
}
ipi_wait(cookie);
critical_exit();
}