/*
- * Copyright (c) 2000-2004 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@
*/
/*
* @OSF_COPYRIGHT@
extern void mapping_set_mod(ppnum_t pa);
extern void mapping_set_ref(ppnum_t pn);
-extern void fillPage(ppnum_t pa, unsigned int fill);
extern void ovbcopy(const char *from,
char *to,
vm_size_t nbytes);
#define value_64bit(value) ((value) & 0xFFFFFFFF00000000LL)
#define low32(x) ((unsigned int)((x) & 0x00000000FFFFFFFFLL))
+void
+bzero_phys_nc(
+ addr64_t src64,
+ vm_size_t bytes)
+{
+ bzero_phys(src64,bytes);
+}
void
bzero_phys(
vm_size_t bytes)
{
mapwindow_t *map;
- pt_entry_t save;
mp_disable_preemption();
- map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | ((pmap_paddr_t)src64 & PG_FRAME) | INTEL_PTE_REF | INTEL_PTE_MOD));
- if (map == 0) {
- panic("bzero_phys: CMAP busy");
- }
- save = *map->prv_CMAP;
- invlpg((uintptr_t)map->prv_CADDR);
+ map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | ((pmap_paddr_t)src64 & PG_FRAME) | INTEL_PTE_REF | INTEL_PTE_MOD));
bzero((void *)((uintptr_t)map->prv_CADDR | ((uint32_t)src64 & INTEL_OFFMASK)), bytes);
- if (save != *map->prv_CMAP)
- panic("bzero_phys: CMAP changed");
- *map->prv_CMAP = 0;
+ pmap_put_mapwindow(map);
mp_enable_preemption();
}
vm_size_t bytes)
{
mapwindow_t *src_map, *dst_map;
- pt_entry_t save1, save2;
/* ensure we stay within a page */
if ( ((((uint32_t)src64 & (NBPG-1)) + bytes) > NBPG) || ((((uint32_t)dst64 & (NBPG-1)) + bytes) > NBPG) ) {
dst_map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | ((pmap_paddr_t)dst64 & PG_FRAME) |
INTEL_PTE_REF | INTEL_PTE_MOD));
- if (src_map == 0 || dst_map == 0) {
- panic("bcopy_phys: CMAP busy");
- }
- save1 = *src_map->prv_CMAP;
- save2 = *dst_map->prv_CMAP;
-
- invlpg((uintptr_t)src_map->prv_CADDR);
- invlpg((uintptr_t)dst_map->prv_CADDR);
-
bcopy((void *) ((uintptr_t)src_map->prv_CADDR | ((uint32_t)src64 & INTEL_OFFMASK)),
(void *) ((uintptr_t)dst_map->prv_CADDR | ((uint32_t)dst64 & INTEL_OFFMASK)), bytes);
- if ( (save1 != *src_map->prv_CMAP) || (save2 != *dst_map->prv_CMAP))
- panic("bcopy_phys CMAP changed");
-
- *src_map->prv_CMAP = 0;
- *dst_map->prv_CMAP = 0;
+ pmap_put_mapwindow(src_map);
+ pmap_put_mapwindow(dst_map);
mp_enable_preemption();
}
{
mapwindow_t *map;
unsigned int result;
- pt_entry_t save;
mp_disable_preemption();
- map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | (paddr & PG_FRAME) | INTEL_PTE_REF));
- if (map == 0) {
- panic("ml_phys_read_data: CMAP busy");
- }
- save = *map->prv_CMAP;
- invlpg((uintptr_t)map->prv_CADDR);
+ map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | (paddr & PG_FRAME) | INTEL_PTE_REF));
switch (size) {
unsigned char s1;
result = *(unsigned int *)((uintptr_t)map->prv_CADDR | ((uint32_t)paddr & INTEL_OFFMASK));
break;
}
+ pmap_put_mapwindow(map);
- if (save != *map->prv_CMAP)
- panic("ml_phys_read_data CMAP changed");
- *map->prv_CMAP = 0;
mp_enable_preemption();
return result;
{
mapwindow_t *map;
unsigned long long result;
- pt_entry_t save;
mp_disable_preemption();
- map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | (paddr & PG_FRAME) | INTEL_PTE_REF));
-
- if (map == 0) {
- panic("ml_phys_read_long_long: CMAP busy");
- }
- save = *map->prv_CMAP;
- invlpg((uintptr_t)map->prv_CADDR);
+ map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | (paddr & PG_FRAME) | INTEL_PTE_REF));
result = *(unsigned long long *)((uintptr_t)map->prv_CADDR | ((uint32_t)paddr & INTEL_OFFMASK));
- if (save != *map->prv_CMAP)
- panic("ml_phys_read_long_long CMAP changed");
- *map->prv_CMAP = 0;
+ pmap_put_mapwindow(map);
+
mp_enable_preemption();
- return result;
+ return result;
}
-unsigned int ml_phys_read(vm_offset_t paddr)
+unsigned int ml_phys_read( vm_offset_t paddr)
{
return ml_phys_read_data((pmap_paddr_t)paddr, 4);
}
ml_phys_write_data(pmap_paddr_t paddr, unsigned long data, int size)
{
mapwindow_t *map;
- pt_entry_t save;
mp_disable_preemption();
+
map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | (paddr & PG_FRAME) |
INTEL_PTE_REF | INTEL_PTE_MOD));
- if (map == 0) {
- panic("ml_phys_write_data: CMAP busy");
- }
-
- save = *map->prv_CMAP;
- invlpg((uintptr_t)map->prv_CADDR);
-
switch (size) {
case 1:
*(unsigned char *)((uintptr_t)map->prv_CADDR | ((uint32_t)paddr & INTEL_OFFMASK)) = (unsigned char)data;
*(unsigned int *)((uintptr_t)map->prv_CADDR | ((uint32_t)paddr & INTEL_OFFMASK)) = data;
break;
}
-
- if (save != *map->prv_CMAP)
- panic("ml_phys_write_data CMAP changed");
- *map->prv_CMAP = 0;
+ pmap_put_mapwindow(map);
mp_enable_preemption();
}
ml_phys_write_long_long(pmap_paddr_t paddr, unsigned long long data)
{
mapwindow_t *map;
- pt_entry_t save;
mp_disable_preemption();
+
map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | (paddr & PG_FRAME) |
INTEL_PTE_REF | INTEL_PTE_MOD));
- if (map == 0) {
- panic("ml_phys_write_data: CMAP busy");
- }
-
- save = *map->prv_CMAP;
- invlpg((uintptr_t)map->prv_CADDR);
*(unsigned long long *)((uintptr_t)map->prv_CADDR | ((uint32_t)paddr & INTEL_OFFMASK)) = data;
- if (save != *map->prv_CMAP)
- panic("ml_phys_write_data CMAP changed");
- *map->prv_CMAP = 0;
+ pmap_put_mapwindow(map);
+
mp_enable_preemption();
}
boolean_t
ml_probe_read(vm_offset_t paddr, unsigned int *val)
{
- *val = ml_phys_read((pmap_paddr_t)paddr);
+ if ((PAGE_SIZE - (paddr & PAGE_MASK)) < 4)
+ return FALSE;
+
+ *val = ml_phys_read((pmap_paddr_t)paddr);
- return TRUE;
+ return TRUE;
}
/*
boolean_t
ml_probe_read_64(addr64_t paddr64, unsigned int *val)
{
- *val = ml_phys_read_64((pmap_paddr_t)paddr64);
+ if ((PAGE_SIZE - (paddr64 & PAGE_MASK)) < 4)
+ return FALSE;
- return TRUE;
+ *val = ml_phys_read_64((pmap_paddr_t)paddr64);
+ return TRUE;
}
}
int
-memcmp(s1, s2, n)
- const void *s1, *s2;
- size_t n;
+memcmp(const void *s1, const void *s2, size_t n)
{
if (n != 0) {
const unsigned char *p1 = s1, *p2 = s2;
}
uint32_t
-hw_atomic_add(
- uint32_t *dest,
- uint32_t delt)
-{
- uint32_t oldValue;
- uint32_t newValue;
-
- do {
- oldValue = *dest;
- newValue = (oldValue + delt);
- } while (!OSCompareAndSwap((UInt32)oldValue,
- (UInt32)newValue, (UInt32 *)dest));
-
- return newValue;
-}
-
-uint32_t
-hw_atomic_sub(
- uint32_t *dest,
- uint32_t delt)
-{
- uint32_t oldValue;
- uint32_t newValue;
-
- do {
- oldValue = *dest;
- newValue = (oldValue - delt);
- } while (!OSCompareAndSwap((UInt32)oldValue,
- (UInt32)newValue, (UInt32 *)dest));
-
- return newValue;
-}
-
-uint32_t
-hw_atomic_or(
- uint32_t *dest,
- uint32_t mask)
-{
- uint32_t oldValue;
- uint32_t newValue;
-
- do {
- oldValue = *dest;
- newValue = (oldValue | mask);
- } while (!OSCompareAndSwap((UInt32)oldValue,
- (UInt32)newValue, (UInt32 *)dest));
-
- return newValue;
-}
-
-uint32_t
-hw_atomic_and(
- uint32_t *dest,
- uint32_t mask)
+hw_compare_and_store(uint32_t oldval, uint32_t newval, volatile uint32_t *dest)
{
- uint32_t oldValue;
- uint32_t newValue;
-
- do {
- oldValue = *dest;
- newValue = (oldValue & mask);
- } while (!OSCompareAndSwap((UInt32)oldValue,
- (UInt32)newValue, (UInt32 *)dest));
-
- return newValue;
-}
-
-uint32_t
-hw_compare_and_store(
- uint32_t oldval,
- uint32_t newval,
- uint32_t *dest)
-{
- return OSCompareAndSwap((UInt32)oldval, (UInt32)newval, (UInt32 *)dest);
+ return OSCompareAndSwap((UInt32)oldval,
+ (UInt32)newval,
+ (volatile UInt32 *)dest);
}
#if MACH_ASSERT
#endif /* MACH_ASSERT */
+void fillPage(ppnum_t pa, unsigned int fill)
+{
+ mapwindow_t *map;
+ pmap_paddr_t src;
+ int i;
+ int cnt = PAGE_SIZE/sizeof(unsigned int);
+ unsigned int *addr;
+ mp_disable_preemption();
+ src = i386_ptob(pa);
+ map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | (src & PG_FRAME) |
+ INTEL_PTE_REF | INTEL_PTE_MOD));
-void fillPage(ppnum_t pa, unsigned int fill)
-{
- mapwindow_t *map;
- pmap_paddr_t src;
- int i;
- int cnt = PAGE_SIZE/sizeof(unsigned int);
- unsigned int *addr;
-
- mp_disable_preemption();
- src = i386_ptob(pa);
- map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | (src & PG_FRAME) |
- INTEL_PTE_REF | INTEL_PTE_MOD));
- if (map == 0) {
- panic("fillPage: CMAP busy");
- }
- invlpg((uintptr_t)map->prv_CADDR);
+ for (i = 0, addr = (unsigned int *)map->prv_CADDR; i < cnt ; i++ )
+ *addr++ = fill;
- for (i = 0, addr = (unsigned int *)map->prv_CADDR; i < cnt ; i++ )
- *addr++ = fill;
+ pmap_put_mapwindow(map);
- *map->prv_CMAP = 0;
- mp_enable_preemption();
+ mp_enable_preemption();
}
static inline void __sfence(void)
addr = pa - offset;
map = pmap_get_mapwindow((pt_entry_t)(i386_ptob(atop_64(addr)) | INTEL_PTE_VALID));
- if (map == 0) {
- panic("cache_flush_page_phys: CMAP busy");
- }
count += offset;
offset = addr & ((addr64_t) (page_size - 1));
{
if (chunk > count)
chunk = count;
-
- *map->prv_CMAP = (pt_entry_t)(i386_ptob(atop_64(addr)) | INTEL_PTE_VALID);
- invlpg((uintptr_t)map->prv_CADDR);
for (; offset < chunk; offset += linesize)
__clflush((void *)(((uintptr_t)map->prv_CADDR) + offset));
addr += chunk;
chunk = page_size;
offset = 0;
+
+ if (count) {
+ pmap_store_pte(map->prv_CMAP, (pt_entry_t)(i386_ptob(atop_64(addr)) | INTEL_PTE_VALID));
+ invlpg((uintptr_t)map->prv_CADDR);
+ }
}
while (count);
- *map->prv_CMAP = 0;
+ pmap_put_mapwindow(map);
(void) ml_set_interrupts_enabled(istate);
istate = ml_set_interrupts_enabled(FALSE);
map = pmap_get_mapwindow((pt_entry_t)(i386_ptob(pa) | INTEL_PTE_VALID));
- if (map == 0) {
- panic("cache_flush_page_phys: CMAP busy");
- }
-
- invlpg((uintptr_t)map->prv_CADDR);
for (i = 0, cacheline_addr = (unsigned char *)map->prv_CADDR;
i < cachelines_in_page;
i++, cacheline_addr += cacheline_size) {
__clflush((void *) cacheline_addr);
}
-
- *map->prv_CMAP = 0;
+ pmap_put_mapwindow(map);
(void) ml_set_interrupts_enabled(istate);
}
-void exit_funnel_section(void)
-{
- thread_t thread;
-
- thread = current_thread();
-
- if (thread->funnel_lock)
- (void) thread_funnel_set(thread->funnel_lock, FALSE);
-}
-
-
-
/*
* the copy engine has the following characteristics
* - copyio handles copies to/from user or kernel space
static int
-copyio(int copy_type, user_addr_t user_addr, char *kernel_addr, vm_size_t nbytes, vm_size_t *lencopied, int use_kernel_map)
+copyio(int copy_type, user_addr_t user_addr, char *kernel_addr,
+ vm_size_t nbytes, vm_size_t *lencopied, int use_kernel_map)
{
thread_t thread;
pmap_t pmap;
thread = current_thread();
- KERNEL_DEBUG(debug_type | DBG_FUNC_START, (int)(user_addr >> 32), (int)user_addr, (int)nbytes, thread->machine.copyio_state, 0);
+ KERNEL_DEBUG(debug_type | DBG_FUNC_START, (int)(user_addr >> 32), (int)user_addr,
+ (int)nbytes, thread->machine.copyio_state, 0);
if (nbytes == 0) {
- KERNEL_DEBUG(debug_type | DBG_FUNC_END, (int)user_addr, (int)kernel_addr, (int)nbytes, 0, 0);
+ KERNEL_DEBUG(debug_type | DBG_FUNC_END, (unsigned)user_addr,
+ (unsigned)kernel_addr, (unsigned)nbytes, 0, 0);
return (0);
}
pmap = thread->map->pmap;
+#if CONFIG_DTRACE
+ thread->machine.specFlags |= CopyIOActive;
+#endif /* CONFIG_DTRACE */
+
if (pmap == kernel_pmap || use_kernel_map) {
kern_vaddr = (vm_offset_t)user_addr;
error = copyoutphys_kern(kernel_addr, kern_vaddr, nbytes);
break;
}
- KERNEL_DEBUG(debug_type | DBG_FUNC_END, (int)kern_vaddr, (int)kernel_addr, (int)nbytes, error | 0x80000000, 0);
+ KERNEL_DEBUG(debug_type | DBG_FUNC_END, (unsigned)kern_vaddr,
+ (unsigned)kernel_addr, (unsigned)nbytes,
+ error | 0x80000000, 0);
+
+#if CONFIG_DTRACE
+ thread->machine.specFlags &= ~CopyIOActive;
+#endif /* CONFIG_DTRACE */
return (error);
}
user_base = user_addr & ~((user_addr_t)(NBPDE - 1));
user_offset = user_addr & (NBPDE - 1);
- KERNEL_DEBUG(debug_type | DBG_FUNC_NONE, (int)(user_base >> 32), (int)user_base, (int)user_offset, 0, 0);
+ KERNEL_DEBUG(debug_type | DBG_FUNC_NONE, (int)(user_base >> 32), (int)user_base,
+ (int)user_offset, 0, 0);
cnt = NBPDE - user_offset;
copyio_state = WINDOWS_DIRTY;
- KERNEL_DEBUG(0xeff70040 | DBG_FUNC_NONE, window_index, (int)user_base, (int)updp, (int)kpdp, 0);
+ KERNEL_DEBUG(0xeff70040 | DBG_FUNC_NONE, window_index,
+ (unsigned)user_base, (unsigned)updp,
+ (unsigned)kpdp, 0);
}
#if JOE_DEBUG
}
user_offset += (window_index * NBPDE);
- KERNEL_DEBUG(0xeff70044 | DBG_FUNC_NONE, (int)user_offset, (int)kernel_addr, cnt, 0, 0);
+ KERNEL_DEBUG(0xeff70044 | DBG_FUNC_NONE, (unsigned)user_offset,
+ (unsigned)kernel_addr, cnt, 0, 0);
switch (copy_type) {
done:
thread->machine.copyio_state = WINDOWS_CLOSED;
- KERNEL_DEBUG(debug_type | DBG_FUNC_END, (int)user_addr, (int)kernel_addr, (int)nbytes, error, 0);
+ KERNEL_DEBUG(debug_type | DBG_FUNC_END, (unsigned)user_addr,
+ (unsigned)kernel_addr, (unsigned)nbytes, error, 0);
+
+#if CONFIG_DTRACE
+ thread->machine.specFlags &= ~CopyIOActive;
+#endif /* CONFIG_DTRACE */
return (error);
}
copyio_phys(addr64_t source, addr64_t sink, vm_size_t csize, int which)
{
pmap_paddr_t paddr;
- user_addr_t vaddr;
+ user_addr_t vaddr;
char *window_offset;
pt_entry_t pentry;
int ctype;
* flushing the tlb after it reloaded the page table from machine.physwindow_pte
*/
istate = ml_set_interrupts_enabled(FALSE);
- *(current_cpu_datap()->cpu_physwindow_ptep) = pentry;
+ pmap_store_pte((current_cpu_datap()->cpu_physwindow_ptep), pentry);
(void) ml_set_interrupts_enabled(istate);
invlpg((uintptr_t)current_cpu_datap()->cpu_physwindow_base);
return (retval);
}
-
-
int
copyinmsg(const user_addr_t user_addr, char *kernel_addr, vm_size_t nbytes)
{
int
copyoutmsg(const char *kernel_addr, user_addr_t user_addr, vm_size_t nbytes)
{
- return (copyio(COPYOUT, user_addr, (char *)kernel_addr, nbytes, NULL, 0));
+ return (copyio(COPYOUT, user_addr, kernel_addr, nbytes, NULL, 0));
}
int
-copyout(const char *kernel_addr, user_addr_t user_addr, vm_size_t nbytes)
+copyout(const void *kernel_addr, user_addr_t user_addr, vm_size_t nbytes)
{
- return (copyio(COPYOUT, user_addr, (char *)kernel_addr, nbytes, NULL, 0));
+ return (copyio(COPYOUT, user_addr, kernel_addr, nbytes, NULL, 0));
}
-kern_return_t copypv(addr64_t src64, addr64_t snk64, unsigned int size, int which)
+kern_return_t
+copypv(addr64_t src64, addr64_t snk64, unsigned int size, int which)
{
unsigned int lop, csize;
int bothphys = 0;
-
- KERNEL_DEBUG(0xeff7004c | DBG_FUNC_START, (int)src64, (int)snk64, size, which, 0);
+ KERNEL_DEBUG(0xeff7004c | DBG_FUNC_START, (unsigned)src64,
+ (unsigned)snk64, size, which, 0);
if ((which & (cppvPsrc | cppvPsnk)) == 0 ) /* Make sure that only one is virtual */
panic("copypv: no more than 1 parameter may be virtual\n"); /* Not allowed */
if (which & cppvFsnk)
flush_dcache64(snk64, csize, 1); /* If requested, flush sink after move */
#endif
- size -= csize; /* Calculate what is left */
+ size -= csize; /* Calculate what is left */
snk64 += csize; /* Bump sink to next physical address */
src64 += csize; /* Bump source to next physical address */
}
- KERNEL_DEBUG(0xeff7004c | DBG_FUNC_END, (int)src64, (int)snk64, size, which, 0);
+ KERNEL_DEBUG(0xeff7004c | DBG_FUNC_END, (unsigned)src64,
+ (unsigned)snk64, size, which, 0);
return KERN_SUCCESS;
}
+
+#if !MACH_KDP
+void
+kdp_register_callout(void)
+{
+}
+#endif
projects / apple / xnu.git / blobdiff