/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*-----------------------------------------------------------------------
** vmachmon.c
#include <ppc/exception.h>
#include <ppc/mappings.h>
#include <ppc/thread.h>
+#include <ppc/savearea.h>
+#include <ppc/misc_protos.h>
+#include <ppc/fpu_protos.h>
#include <vm/vm_kern.h>
#include <vm/vm_fault.h>
uint32_t pages = GV_HPAGES; /* Number of pages in the hash table */
vm_offset_t free = VMX_HPIDX_OFFSET; /* Offset into extension page of free area (128-byte aligned) */
uint32_t freeSize = PAGE_SIZE - free; /* Number of free bytes in the extension page */
+ uint32_t idx;
if ((pages * sizeof(addr64_t)) + (pages * sizeof(vm_offset_t)) > freeSize) {
panic("vmm_build_shadow_hash: too little pmap_vmm_ext free space\n");
extPP = pmap_find_phys(kernel_pmap, (vm_offset_t)ext);
/* Get extension block's physical page number */
if (!extPP) { /* This should not fail, but then again... */
- panic("vmm_build_shadow_hash: could not translate pmap_vmm_ext vaddr %08X\n", ext);
+ panic("vmm_build_shadow_hash: could not translate pmap_vmm_ext vaddr %p\n", ext);
}
ext->vmxSalt = (addr64_t)(vm_offset_t)ext ^ ptoa_64(extPP);
/* The hash table is typically larger than a single page, but we don't require it to be in a
contiguous virtual or physical chunk. So, we allocate it page by page, noting the effective and
physical address of each page in vmxHashPgList and vmxHashPgIdx, respectively. */
- uint32_t idx;
for (idx = 0; idx < pages; idx++) {
+ mapping_t *map;
+ uint32_t mapIdx;
ret = kmem_alloc_wired(kernel_map, &ext->vmxHashPgList[idx], PAGE_SIZE);
/* Allocate a hash-table page */
if (ret != KERN_SUCCESS) goto fail; /* Allocation failed, exit through cleanup */
if (!ext->vmxHashPgIdx[idx]) { /* Hash-table page's LRA failed */
panic("vmm_build_shadow_hash: could not translate hash-table vaddr %08X\n", ext->vmxHashPgList[idx]);
}
- mapping_t *map = (mapping_t *)ext->vmxHashPgList[idx];
- uint32_t mapIdx;
+ map = (mapping_t *)ext->vmxHashPgList[idx];
for (mapIdx = 0; mapIdx < GV_SLTS_PPG; mapIdx++) { /* Iterate over mappings in this page */
map->mpFlags = (mpGuest | mpgFree); /* Mark guest type and free */
map = (mapping_t *)((char *)map + GV_SLOT_SZ); /* Next slot-sized mapping */
vmm_thread_index_t index)
{
vmmCntrlTable *CTable = act->machine.vmmControl; /* Get VMM control table */
+ vmmCntrlEntry *CEntry;
+ pmap_t hpmap;
+ pmap_t gpmap;
if (!CTable) { /* Caller guarantees that this will work */
- panic("vmm_activate_gsa: VMM control table not present; act = %08X, idx = %d\n",
+ panic("vmm_activate_gsa: VMM control table not present; act = %p, idx = %lu\n",
act, index);
return KERN_FAILURE;
}
- vmmCntrlEntry *CEntry = vmm_get_entry(act, index); /* Get context from index */
+ CEntry = vmm_get_entry(act, index); /* Get context from index */
if (!CEntry) { /* Caller guarantees that this will work */
- panic("vmm_activate_gsa: Unexpected failure of vmm_get_entry; act = %08X, idx = %d\n",
+ panic("vmm_activate_gsa: Unexpected failure of vmm_get_entry; act = %p, idx = %lu\n",
act, index);
return KERN_FAILURE;
}
- pmap_t hpmap = act->map->pmap; /* Get host pmap */
- pmap_t gpmap = vmm_get_adsp(act, index); /* Get guest pmap */
+ hpmap = act->map->pmap; /* Get host pmap */
+ gpmap = vmm_get_adsp(act, index); /* Get guest pmap */
if (!gpmap) { /* Caller guarantees that this will work */
- panic("vmm_activate_gsa: Unexpected failure of vmm_get_adsp; act = %08X, idx = %d\n",
+ panic("vmm_activate_gsa: Unexpected failure of vmm_get_adsp; act = %p, idx = %lu\n",
act, index);
return KERN_FAILURE;
}
** Deactivate guest shadow assist
**
-----------------------------------------------------------------------*/
-static void vmm_deactivate_gsa(
+static void
+vmm_deactivate_gsa(
thread_t act,
vmm_thread_index_t index)
{
vmmCntrlEntry *CEntry = vmm_get_entry(act, index); /* Get context from index */
+ pmap_t gpmap;
if (!CEntry) { /* Caller guarantees that this will work */
- panic("vmm_deactivate_gsa: Unexpected failure of vmm_get_entry; act = %08X, idx = %d\n",
+ panic("vmm_deactivate_gsa: Unexpected failure of vmm_get_entry; act = %p, idx = %lu\n",
act, index);
- return KERN_FAILURE;
}
- pmap_t gpmap = vmm_get_adsp(act, index); /* Get guest pmap */
+ gpmap = vmm_get_adsp(act, index); /* Get guest pmap */
if (!gpmap) { /* Caller guarantees that this will work */
- panic("vmm_deactivate_gsa: Unexpected failure of vmm_get_adsp; act = %08X, idx = %d\n",
+ panic("vmm_deactivate_gsa: Unexpected failure of vmm_get_adsp; act = %p, idx = %lu\n",
act, index);
- return KERN_FAILURE;
}
gpmap->pmapFlags &= ~pmapVMgsaa; /* Deactivate GSA for this guest */
CEntry = vmm_get_entry(act, index); /* Convert index to entry */
if (!CEntry) { /* Caller guarantees that this will work */
- panic("vmm_flush_context: Unexpected failure of vmm_get_entry; act = %08X, idx = %d\n",
+ panic("vmm_flush_context: Unexpected failure of vmm_get_entry; act = %p, idx = %lu\n",
act, index);
return;
}
if(CEntry->vmmFacCtx.FPUsave) { /* Is there any floating point context? */
toss_live_fpu(&CEntry->vmmFacCtx); /* Get rid of any live context here */
- save_release((savearea *)CEntry->vmmFacCtx.FPUsave); /* Release it */
+ save_release((struct savearea *)CEntry->vmmFacCtx.FPUsave); /* Release it */
}
if(CEntry->vmmFacCtx.VMXsave) { /* Is there any vector context? */
toss_live_vec(&CEntry->vmmFacCtx); /* Get rid of any live context here */
- save_release((savearea *)CEntry->vmmFacCtx.VMXsave); /* Release it */
+ save_release((struct savearea *)CEntry->vmmFacCtx.VMXsave); /* Release it */
}
vmm_unmap_all_pages(act, index); /* Blow away all mappings for this context */
CTable->vmmGFlags = CTable->vmmGFlags & ~vmmLastAdSp; /* Make sure we don't try to automap into this */
CEntry->vmmFlags &= vmmInUse; /* Clear out all of the flags for this entry except in use */
- CEntry->vmmFacCtx.FPUsave = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.FPUlevel = 0; /* Clear facility context control */
+ CEntry->vmmFacCtx.FPUsave = NULL; /* Clear facility context control */
+ CEntry->vmmFacCtx.FPUlevel = NULL; /* Clear facility context control */
CEntry->vmmFacCtx.FPUcpu = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.VMXsave = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.VMXlevel = 0; /* Clear facility context control */
+ CEntry->vmmFacCtx.VMXsave = NULL; /* Clear facility context control */
+ CEntry->vmmFacCtx.VMXlevel = NULL; /* Clear facility context control */
CEntry->vmmFacCtx.VMXcpu = 0; /* Clear facility context control */
vks = CEntry->vmmContextKern; /* Get address of the context page */
vks->interface_version = version; /* Set our version code */
vks->thread_index = index % vmmTInum; /* Tell the user the index for this virtual machine */
- return; /* Context is now flushed */
+ /* Context is now flushed */
}
** Returns max address
-----------------------------------------------------------------------*/
-addr64_t vmm_max_addr(thread_t act)
+addr64_t
+vmm_max_addr(__unused thread_t act)
{
return vm_max_address; /* Return the maximum address */
}
int cvi, i;
task_t task;
thread_t fact, gact;
+ pmap_t hpmap;
+ pmap_t gpmap;
vmm_user_state = CAST_DOWN(vmm_state_page_t *, save->save_r4); /* Get the user address of the comm area */
if ((unsigned int)vmm_user_state & (PAGE_SIZE - 1)) { /* Make sure the comm area is page aligned */
task_lock(task); /* Lock our task */
fact = (thread_t)task->threads.next; /* Get the first activation on task */
- gact = 0; /* Pretend we didn't find it yet */
+ gact = NULL; /* Pretend we didn't find it yet */
for(i = 0; i < task->thread_count; i++) { /* All of the activations */
if(fact->machine.vmmControl) { /* Is this a virtual machine monitor? */
CTable = act->machine.vmmControl; /* Get the control table address */
if ((unsigned int)CTable == 1) { /* If we are marked, try to allocate a new table, otherwise we have one */
if(!(CTable = (vmmCntrlTable *)kalloc(sizeof(vmmCntrlTable)))) { /* Get a fresh emulation control table */
- act->machine.vmmControl = 0; /* Unmark us as vmm 'cause we failed */
+ act->machine.vmmControl = NULL; /* Unmark us as vmm 'cause we failed */
ml_set_interrupts_enabled(FALSE); /* Set back interruptions */
save->save_r3 = KERN_RESOURCE_SHORTAGE; /* No storage... */
return 1;
CTable->vmmc[cvi].vmmContextPhys = conphys; /* Remember the state page physical addr */
CTable->vmmc[cvi].vmmContextUser = vmm_user_state; /* Remember user address of comm area */
- CTable->vmmc[cvi].vmmFacCtx.FPUsave = 0; /* Clear facility context control */
- CTable->vmmc[cvi].vmmFacCtx.FPUlevel = 0; /* Clear facility context control */
+ CTable->vmmc[cvi].vmmFacCtx.FPUsave = NULL; /* Clear facility context control */
+ CTable->vmmc[cvi].vmmFacCtx.FPUlevel = NULL; /* Clear facility context control */
CTable->vmmc[cvi].vmmFacCtx.FPUcpu = 0; /* Clear facility context control */
- CTable->vmmc[cvi].vmmFacCtx.VMXsave = 0; /* Clear facility context control */
- CTable->vmmc[cvi].vmmFacCtx.VMXlevel = 0; /* Clear facility context control */
+ CTable->vmmc[cvi].vmmFacCtx.VMXsave = NULL; /* Clear facility context control */
+ CTable->vmmc[cvi].vmmFacCtx.VMXlevel = NULL; /* Clear facility context control */
CTable->vmmc[cvi].vmmFacCtx.VMXcpu = 0; /* Clear facility context control */
CTable->vmmc[cvi].vmmFacCtx.facAct = act; /* Point back to the activation */
- hw_atomic_add((int *)&saveanchor.savetarget, 2); /* Account for the number of extra saveareas we think we might "need" */
+ (void)hw_atomic_add(&saveanchor.savetarget, 2); /* Account for the number of extra saveareas we think we might "need" */
- pmap_t hpmap = act->map->pmap; /* Get host pmap */
- pmap_t gpmap = pmap_create(0); /* Make a fresh guest pmap */
+ hpmap = act->map->pmap; /* Get host pmap */
+ gpmap = pmap_create(0, FALSE); /* Make a fresh guest pmap */
if (gpmap) { /* Did we succeed ? */
CTable->vmmAdsp[cvi] = gpmap; /* Remember guest pmap for new context */
if (lowGlo.lgVMMforcedFeats & vmmGSA) { /* Forcing on guest shadow assist ? */
return_in_shame:
if(!gact) kfree(CTable, sizeof(vmmCntrlTable)); /* Toss the table if we just allocated it */
- act->machine.vmmControl = 0; /* Unmark us as vmm 'cause we failed */
+ act->machine.vmmControl = NULL; /* Unmark us as vmm 'cause we failed */
ml_set_interrupts_enabled(FALSE); /* Set back interruptions */
save->save_r3 = ret; /* Pass back return code... */
return 1;
vmmCntrlEntry *CEntry;
vmmCntrlTable *CTable;
int cvi;
- register savearea *sv;
+ pmap_t gpmap;
+ pmap_t pmap;
CEntry = vmm_get_entry(act, index); /* Convert index to entry */
if (CEntry == NULL) return KERN_FAILURE; /* Either this isn't vmm thread or the index is bogus */
ml_set_interrupts_enabled(TRUE); /* This can take a bit of time so pass interruptions */
- hw_atomic_sub((int *)&saveanchor.savetarget, 2); /* We don't need these extra saveareas anymore */
+ (void)hw_atomic_sub(&saveanchor.savetarget, 2); /* We don't need these extra saveareas anymore */
if(CEntry->vmmFacCtx.FPUsave) { /* Is there any floating point context? */
toss_live_fpu(&CEntry->vmmFacCtx); /* Get rid of any live context here */
- save_release((savearea *)CEntry->vmmFacCtx.FPUsave); /* Release it */
+ save_release((struct savearea *)CEntry->vmmFacCtx.FPUsave); /* Release it */
}
if(CEntry->vmmFacCtx.VMXsave) { /* Is there any vector context? */
toss_live_vec(&CEntry->vmmFacCtx); /* Get rid of any live context here */
- save_release((savearea *)CEntry->vmmFacCtx.VMXsave); /* Release it */
+ save_release((struct savearea *)CEntry->vmmFacCtx.VMXsave); /* Release it */
}
- CEntry->vmmPmap = 0; /* Remove this trace */
- pmap_t gpmap = act->machine.vmmControl->vmmAdsp[index - 1];
+ CEntry->vmmPmap = NULL; /* Remove this trace */
+ gpmap = act->machine.vmmControl->vmmAdsp[index - 1];
/* Get context's guest pmap (if any) */
if (gpmap) { /* Check if there is an address space assigned here */
if (gpmap->pmapFlags & pmapVMgsaa) { /* Handle guest shadow assist case specially */
CTable->vmmGFlags = CTable->vmmGFlags & ~vmmLastAdSp; /* Make sure we don't try to automap into this */
CEntry->vmmFlags = 0; /* Clear out all of the flags for this entry including in use */
- CEntry->vmmContextKern = 0; /* Clear the kernel address of comm area */
- CEntry->vmmContextUser = 0; /* Clear the user address of comm area */
+ CEntry->vmmContextKern = NULL; /* Clear the kernel address of comm area */
+ CEntry->vmmContextUser = NULL; /* Clear the user address of comm area */
- CEntry->vmmFacCtx.FPUsave = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.FPUlevel = 0; /* Clear facility context control */
+ CEntry->vmmFacCtx.FPUsave = NULL; /* Clear facility context control */
+ CEntry->vmmFacCtx.FPUlevel = NULL; /* Clear facility context control */
CEntry->vmmFacCtx.FPUcpu = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.VMXsave = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.VMXlevel = 0; /* Clear facility context control */
+ CEntry->vmmFacCtx.VMXsave = NULL; /* Clear facility context control */
+ CEntry->vmmFacCtx.VMXlevel = NULL; /* Clear facility context control */
CEntry->vmmFacCtx.VMXcpu = 0; /* Clear facility context control */
- CEntry->vmmFacCtx.facAct = 0; /* Clear facility context control */
+ CEntry->vmmFacCtx.facAct = NULL; /* Clear facility context control */
for(cvi = 0; cvi < kVmmMaxContexts; cvi++) { /* Search to find a free slot */
if(CTable->vmmc[cvi].vmmFlags & vmmInUse) { /* Return if there are still some in use */
mapping_remove(act->machine.vmmControl->vmmAdsp[index - 1], 0xFFFFFFFFFFFFF000LL); /* Remove final page explicitly because we might have mapped it */
pmap_remove(act->machine.vmmControl->vmmAdsp[index - 1], 0, 0xFFFFFFFFFFFFF000LL); /* Remove all entries from this map */
pmap_destroy(act->machine.vmmControl->vmmAdsp[index - 1]); /* Toss the pmap for this context */
- act->machine.vmmControl->vmmAdsp[index - 1] = 0; /* Clear just in case */
+ act->machine.vmmControl->vmmAdsp[index - 1] = NULL; /* Clear just in case */
}
- pmap_t pmap = act->map->pmap; /* Get our pmap */
+ pmap = act->map->pmap; /* Get our pmap */
if (pmap->pmapVmmExt) { /* Release any VMM pmap extension block and shadow hash table */
vmm_release_shadow_hash(pmap->pmapVmmExt); /* Release extension block and shadow hash table */
- pmap->pmapVmmExt = 0; /* Forget extension block */
+ pmap->pmapVmmExt = NULL; /* Forget extension block */
pmap->pmapVmmExtPhys = 0; /* Forget extension block's physical address, too */
}
pmap->pmapFlags &= ~pmapVMhost; /* We're no longer hosting */
kfree(CTable, sizeof(vmmCntrlTable)); /* Toss the table because to tossed the last context */
- act->machine.vmmControl = 0; /* Unmark us as vmm */
+ act->machine.vmmControl = NULL; /* Unmark us as vmm */
ml_set_interrupts_enabled(FALSE); /* No more interruptions */
vmmCntrlTable *CTable;
int cvi;
kern_return_t ret;
- savearea *save;
+ struct savearea *save;
spl_t s;
if(act->machine.specFlags & runningVM) { /* Are we actually in a context right now? */
splx(s); /* Restore interrupts */
}
- if(CTable = act->machine.vmmControl) { /* Do we have a vmm control block? */
-
-
+ if(act->machine.vmmControl) { /* Do we have a vmm control block? */
+ CTable = act->machine.vmmControl;
for(cvi = 1; cvi <= kVmmMaxContexts; cvi++) { /* Look at all slots */
if(CTable->vmmc[cvi - 1].vmmFlags & vmmInUse) { /* Is this one in use */
ret = vmm_tear_down_context(act, cvi); /* Take down the found context */
if(ret != KERN_SUCCESS) { /* Did it go away? */
- panic("vmm_tear_down_all: vmm_tear_down_context failed; ret=%08X, act = %08X, cvi = %d\n",
+ panic("vmm_tear_down_all: vmm_tear_down_context failed; ret=%08X, act = %p, cvi = %d\n",
ret, act, cvi);
}
}
panic("vmm_tear_down_all: control table did not get deallocated\n"); /* Table did not go away */
}
}
-
- return;
}
/*-----------------------------------------------------------------------
map = current_thread()->map; /* Get the host's map */
if (pmap->pmapFlags & pmapVMgsaa) { /* Guest shadow assist active ? */
- ret = hw_res_map_gv(map->pmap, pmap, cva, ava, getProtPPC(prot));
+ ret = hw_res_map_gv(map->pmap, pmap, cva, ava, getProtPPC(prot, TRUE));
/* Attempt to resume an existing gv->phys mapping */
if (mapRtOK != ret) { /* Nothing to resume, construct a new mapping */
+ unsigned int pindex;
+ phys_entry_t *physent;
+ unsigned int pattr;
+ unsigned int wimg;
+ unsigned int mflags;
+ addr64_t gva;
while (1) { /* Find host mapping or fail */
mp = mapping_find(map->pmap, cva, &nextva, 0);
}
/* Partially construct gv->phys mapping */
- unsigned int pindex;
- phys_entry_t *physent = mapping_phys_lookup(mp->mpPAddr, &pindex);
+ physent = mapping_phys_lookup(mp->mpPAddr, &pindex);
if (!physent) {
mapping_drop_busy(mp);
return KERN_FAILURE;
}
- unsigned int pattr = ((physent->ppLink & (ppI | ppG)) >> 60);
- unsigned int wimg = 0x2;
+ pattr = ((physent->ppLink & (ppI | ppG)) >> 60);
+ wimg = 0x2;
if (pattr & mmFlgCInhib) wimg |= 0x4;
if (pattr & mmFlgGuarded) wimg |= 0x1;
- unsigned int mflags = (pindex << 16) | mpGuest;
- addr64_t gva = ((ava & ~mpHWFlags) | (wimg << 3) | getProtPPC(prot));
+ mflags = (pindex << 16) | mpGuest;
+ gva = ((ava & ~mpHWFlags) | (wimg << 3) | getProtPPC(prot, TRUE));
hw_add_map_gv(map->pmap, pmap, gva, mflags, mp->mpPAddr);
/* Construct new guest->phys mapping */
prot = ava & vmmlProt; /* Extract the protection bits */
adsp = (ava & vmmlAdID) >> 4; /* Extract an explicit address space request */
- if(!adsp) adsp = index - 1; /* If no explicit, use supplied default */
- ava = ava &= 0xFFFFFFFFFFFFF000ULL; /* Clean up the address */
+ if(!adsp) /* If no explicit, use supplied default */
+ adsp = index - 1;
+ ava &= 0xFFFFFFFFFFFFF000ULL; /* Clean up the address */
ret = vmm_map_page(act, index, cva, ava, prot); /* Go try to map the page on in */
- if(ret != KERN_SUCCESS) return ret; /* Bail if any error */
+ if(ret != KERN_SUCCESS) /* Bail if any error */
+ return ret;
}
- return KERN_SUCCESS ; /* Return... */
+ return KERN_SUCCESS;
}
/*-----------------------------------------------------------------------
vmm_adsp_id_t index,
addr64_t va)
{
- vmmCntrlEntry *CEntry;
addr64_t nadd;
pmap_t pmap;
unsigned int flavor)
{
vmmCntrlEntry *CEntry;
- boolean_t ret;
kern_return_t kern_result = KERN_SUCCESS;
- unsigned int *pgaddr, i;
+ unsigned int i;
addr64_t gva;
vmmUMList *lst;
vmmUMList64 *lstx;
int adsp;
CEntry = vmm_get_entry(act, index); /* Convert index to entry */
- if (CEntry == NULL) return KERN_FAILURE; /* Either this isn't a vmm or the index is bogus */
+ if (CEntry == NULL) { /* Either this isn't a vmm or the index is bogus */
+ kern_result = KERN_FAILURE;
+ goto out;
+ }
- if(cnt > kVmmMaxUnmapPages) return KERN_FAILURE; /* They tried to unmap too many */
- if(!cnt) return KERN_SUCCESS; /* If they said none, we're done... */
+ if(cnt > kVmmMaxUnmapPages) { /* They tried to unmap too many */
+ kern_result = KERN_FAILURE;
+ goto out;
+ }
+ if(!cnt) { /* If they said none, we're done... */
+ kern_result = KERN_SUCCESS;
+ goto out;
+ }
- lst = (vmmUMList *)lstx = (vmmUMList64 *) &((vmm_comm_page_t *)CEntry->vmmContextKern)->vmcpComm[0]; /* Point to the first entry */
+ lstx = (vmmUMList64 *) &((vmm_comm_page_t *)CEntry->vmmContextKern)->vmcpComm[0]; /* Point to the first entry */
+ lst = (vmmUMList *)lstx;
for(i = 0; i < cnt; i++) { /* Step and release all pages in list */
if(flavor) { /* Check if 32- or 64-bit addresses */
}
adsp = (gva & vmmlAdID) >> 4; /* Extract an explicit address space request */
- if(!adsp) adsp = index - 1; /* If no explicit, use supplied default */
+ if(!adsp) /* If no explicit, use supplied default */
+ adsp = index - 1;
pmap = act->machine.vmmControl->vmmAdsp[adsp]; /* Get the pmap for this request */
- if(!pmap) continue; /* Ain't nuthin' mapped here, no durn map... */
+ if(!pmap)
+ continue; /* Ain't nuthin' mapped here, no durn map... */
- gva = gva &= 0xFFFFFFFFFFFFF000ULL; /* Clean up the address */
+ gva &= 0xFFFFFFFFFFFFF000ULL; /* Clean up the address */
if (pmap->pmapFlags & pmapVMgsaa) { /* Handle guest shadow assist specially */
hw_susp_map_gv(act->map->pmap, pmap, gva);
/* Suspend the mapping */
}
}
- return KERN_SUCCESS ; /* Return... */
+out:
+ return kern_result;
}
/*-----------------------------------------------------------------------
thread_t act,
vmm_adsp_id_t index)
{
- vmmCntrlEntry *CEntry;
pmap_t pmap;
pmap = vmm_get_adsp(act, index); /* Convert index to entry */
mapping_remove(pmap, 0xFFFFFFFFFFFFF000LL); /* Remove final page explicitly because we might have mapped it */
pmap_remove(pmap, 0, 0xFFFFFFFFFFFFF000LL); /* Remove all entries from this map */
}
- return;
}
addr64_t va,
unsigned int reset)
{
- vmmCntrlEntry *CEntry;
- register mapping_t *mpv, *mp;
unsigned int RC;
pmap_t pmap;
break;
default:
- panic("vmm_get_page_dirty_flag: hw_test_rc failed - rc = %d, pmap = %08X, va = %016llX\n", RC, pmap, va);
+ panic("vmm_get_page_dirty_flag: hw_test_rc failed - rc = %d, pmap = %p, va = %016llX\n", RC, pmap, va);
}
addr64_t va,
vm_prot_t prot)
{
- vmmCntrlEntry *CEntry;
addr64_t nextva;
int ret;
pmap_t pmap;
break;
default:
- panic("vmm_protect_page: hw_protect failed - rc = %d, pmap = %08X, va = %016llX\n", ret, pmap, (addr64_t)va);
+ panic("vmm_protect_page: hw_protect failed - rc = %d, pmap = %p, va = %016llX\n", ret, pmap, (addr64_t)va);
}
vmm_thread_index_t index)
{
vmmCntrlEntry *CEntry;
- vmmCntrlTable *CTable;
int i;
register struct savearea_fpu *sv;
fpu_save(&CEntry->vmmFacCtx); /* Save context if live */
- if(sv = CEntry->vmmFacCtx.FPUsave) { /* Is there context yet? */
+ if(CEntry->vmmFacCtx.FPUsave) { /* Is there context yet? */
+ sv = CEntry->vmmFacCtx.FPUsave;
bcopy((char *)&sv->save_fp0, (char *)&(CEntry->vmmContextKern->vmm_proc_state.ppcFPRs), 32 * 8); /* 32 registers */
return KERN_SUCCESS;
}
vmm_thread_index_t index)
{
vmmCntrlEntry *CEntry;
- vmmCntrlTable *CTable;
int i, j;
unsigned int vrvalidwrk;
register struct savearea_vec *sv;
act->machine.specFlags &= ~vectorCng; /* Clear the special flag */
CEntry->vmmContextKern->vmmStat &= ~vmmVectCngd; /* Clear the change indication */
- if(sv = CEntry->vmmFacCtx.VMXsave) { /* Is there context yet? */
-
+ if(CEntry->vmmFacCtx.VMXsave) { /* Is there context yet? */
+ sv = CEntry->vmmFacCtx.VMXsave;
vrvalidwrk = sv->save_vrvalid; /* Get the valid flags */
for(i = 0; i < 32; i++) { /* Copy the saved registers and invalidate the others */
vmm_thread_index_t index)
{
vmmCntrlEntry *CEntry;
- vmmCntrlTable *CTable;
CEntry = vmm_get_entry(act, index); /* Convert index to entry */
if (CEntry == NULL) return KERN_FAILURE; /* Either this isn't vmm thread or the index is bogus */
void vmm_timer_pop(
thread_t act)
{
- vmmCntrlEntry *CEntry;
vmmCntrlTable *CTable;
int cvi, any;
uint64_t now, soonest;
- savearea *sv;
+ struct savearea *sv;
if(!((unsigned int)act->machine.vmmControl & 0xFFFFFFFE)) { /* Are there any virtual machines? */
- panic("vmm_timer_pop: No virtual machines defined; act = %08X\n", act);
+ panic("vmm_timer_pop: No virtual machines defined; act = %p\n", act);
}
soonest = 0xFFFFFFFFFFFFFFFFULL; /* Max time */
if((unsigned int)&CTable->vmmc[cvi] == (unsigned int)act->machine.vmmCEntry) { /* Is this the running VM? */
sv = find_user_regs(act); /* Get the user state registers */
if(!sv) { /* Did we find something? */
- panic("vmm_timer_pop: no user context; act = %08X\n", act);
+ panic("vmm_timer_pop: no user context; act = %p\n", act);
}
sv->save_exception = kVmmReturnNull*4; /* Indicate that this is a null exception */
vmm_force_exit(act, sv); /* Intercept a running VM */
if (act->machine.qactTimer == 0 || soonest <= act->machine.qactTimer)
act->machine.qactTimer = soonest; /* Set lowest timer */
}
-
- return;
}
task_lock(task); /* Lock our task */
fact = (thread_t)task->threads.next; /* Get the first activation on task */
- act = 0; /* Pretend we didn't find it yet */
+ act = NULL; /* Pretend we didn't find it yet */
for(i = 0; i < task->thread_count; i++) { /* All of the activations */
if(fact->machine.vmmControl) { /* Is this a virtual machine monitor? */
for(cvi = 0; cvi < kVmmMaxContexts; cvi++) { /* Search slots */
if((0x80000000 & vmmask) && (CTable->vmmc[cvi].vmmFlags & vmmInUse)) { /* See if we need to stop and if it is in use */
- hw_atomic_or(&CTable->vmmc[cvi].vmmFlags, vmmXStop); /* Set this one to stop */
+ (void)hw_atomic_or(&CTable->vmmc[cvi].vmmFlags, vmmXStop); /* Set this one to stop */
}
vmmask = vmmask << 1; /* Slide mask over */
}
void vmm_interrupt(ReturnHandler *rh, thread_t act) {
vmmCntrlTable *CTable;
- savearea *sv;
+ struct savearea *sv;
boolean_t inter;
if(act->machine.vmmCEntry && (act->machine.vmmCEntry->vmmFlags & vmmXStop)) { /* Do we need to stop the running guy? */
sv = find_user_regs(act); /* Get the user state registers */
if(!sv) { /* Did we find something? */
- panic("vmm_interrupt: no user context; act = %08X\n", act);
+ panic("vmm_interrupt: no user context; act = %p\n", act);
}
sv->save_exception = kVmmStopped*4; /* Set a "stopped" exception */
vmm_force_exit(act, sv); /* Intercept a running VM */
}
ml_set_interrupts_enabled(inter); /* Put interrupts back to what they were */
-
- return;
}
projects / apple / xnu.git / blobdiff