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The old assumption that all physical memory is directly mapped in
kernel space is about to go away. Those variables are directly linked
to that assumption.
* i386/i386/model_dep.h (phys_first_addr): Remove extern declaration.
(phys_last_addr): Likewise.
* i386/i386/phys.c (pmap_zero_page): Use VM_PAGE_DIRECTMAP_LIMIT
instead of phys_last_addr.
(pmap_copy_page, copy_to_phys, copy_from_phys): Likewise.
* i386/i386/trap.c (user_trap): Remove check against phys_last_addr.
* i386/i386at/biosmem.c (biosmem_bootstrap_common): Don't set
phys_last_addr.
* i386/i386at/mem.c (memmmap): Use vm_page_lookup_pa to determine if
a physical address references physical memory.
* i386/i386at/model_dep.c (phys_first_addr): Remove variable.
(phys_last_addr): Likewise.
(pmap_free_pages, pmap_valid_page): Remove functions.
* i386/intel/pmap.c: Include i386at/biosmem.h.
(pa_index): Turn into an alias for vm_page_table_index.
(pmap_bootstrap): Replace uses of phys_first_addr and phys_last_addr
as appropriate.
(pmap_virtual_space): Use vm_page_table_size instead of phys_first_addr
and phys_last_addr to obtain the number of physical pages.
(pmap_verify_free): Remove function.
(valid_page): Turn this macro into an inline function and rewrite
using vm_page_lookup_pa.
(pmap_page_table_page_alloc): Build the pmap VM object using
vm_page_table_size to determine its size.
(pmap_remove_range, pmap_page_protect, phys_attribute_clear,
phys_attribute_test): Turn page indexes into unsigned long integers.
(pmap_enter): Likewise. In addition, use either vm_page_lookup_pa or
biosmem_directmap_end to determine if a physical address references
physical memory.
* i386/xen/xen.c (hyp_p2m_init): Use vm_page_table_size instead of
phys_last_addr to obtain the number of physical pages.
* kern/startup.c (phys_first_addr): Remove extern declaration.
(phys_last_addr): Likewise.
* linux/dev/init/main.c (linux_init): Use vm_page_seg_end with the
appropriate segment selector instead of phys_last_addr to determine
where high memory starts.
* vm/pmap.h: Update requirements description.
(pmap_free_pages, pmap_valid_page): Remove declarations.
* vm/vm_page.c (vm_page_seg_end, vm_page_boot_table_size,
vm_page_table_size, vm_page_table_index): New functions.
* vm/vm_page.h (vm_page_seg_end, vm_page_table_size,
vm_page_table_index): New function declarations.
* vm/vm_resident.c (vm_page_bucket_count, vm_page_hash_mask): Define
as unsigned long integers.
(vm_page_bootstrap): Compute VP table size based on the page table
size instead of the value returned by pmap_free_pages.
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* device/conf.h: Include <sys/types.h>, <mach/port.h>, <mach/vm_prot.h>.
Predefine struct io_req, io_req_t and io_return_t.
(dev_ops): Add explicit prototypes for d_open, d_close, d_read, d_write,
d_getstat, d_setstat, d_mmap, d_port_death.
(nulldev_open, nulldev_close, nulldev_read, nulldev_write,
nulldev_getstat, nulldev_setstat, nulldev_portdeath): Add prototypes.
(nomap): Fix prototype.
* device/dev_name.c (nulldev_open, nulldev_close, nulldev_read,
nulldev_write, nulldev_getstat, nulldev_setstat, nulldev_portdeath): New
functions.
(nomap): Fix prototype.
* device/ds_routines.c (dev_close): Pass 0 as flag parameter.
* device/kmsg.c (kmsgclose): Drop return value.
* device/kmsg.h (kmsgclose): Fix prototype.
* i386/i386at/com.c (comopen): Fix prototype.
(comclose): Fix prototype, drop return value.
(comread, comwrite): Fix prototype.
* i386/i386at/com.h (comopen, comclose, comread, comwrite): Fix
prototype.
* i386/i386at/conf.c (dev_ops): Use nulldev_open, nulldev_close,
nulldev_read, nulldev_write, nulldev_getstat, nulldev_setstat,
nulldev_portdeath where appropriate.
* i386/i386at/kd.c (kdclose, kdread, kdwrite, kdmmap): Fix prototype.
* i386/i386at/kd.h (kdclose, kdread, kdwrite, kdmmap): Likewise.
* i386/i386at/kd_event.c (kbdopen): Likewise.
* i386/i386at/kd_event.h (kbdopen): Likewise.
* i386/i386at/kd_mouse.c (mouseopen): Likewise.
* i386/i386at/kd_mouse.h (mouseopen): Likewise.
* i386/i386at/lpr.c (lpropen, lprclose, lprread, lprwrite): Likewise.
* i386/i386at/lpr.h (lpropen, lprclose, lprread, lprwrite): Likewise.
* i386/i386at/mem.c (memmmap): Likewise.
* i386/i386at/mem.h (memmmap): Likewise.
* i386/i386at/model_dep.c (timemmap): Likewise.
* i386/i386at/model_dep.h (timemmap): Likewise.
* kern/mach_clock.c (timeopen, timeclose): Likewise.
* kern/mach_clock.h: Include <sys/types.h>, predefine struct io_req and
io_req_t.
(timeopen, timeclose): Fix prototype.
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