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Differential D24153 Diff 70757 head/sys/arm64/arm64/pmap.c

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head/sys/arm64/arm64/pmap.c

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#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/ktr.h> #include <sys/ktr.h>
#include <sys/limits.h> #include <sys/limits.h>
#include <sys/lock.h> #include <sys/lock.h>
#include <sys/malloc.h> #include <sys/malloc.h>
#include <sys/mman.h> #include <sys/mman.h>
#include <sys/msgbuf.h> #include <sys/msgbuf.h>
#include <sys/mutex.h> #include <sys/mutex.h>
#include <sys/physmem.h>
#include <sys/proc.h> #include <sys/proc.h>
#include <sys/rwlock.h> #include <sys/rwlock.h>
#include <sys/sbuf.h> #include <sys/sbuf.h>
#include <sys/sx.h> #include <sys/sx.h>
#include <sys/vmem.h> #include <sys/vmem.h>
#include <sys/vmmeter.h> #include <sys/vmmeter.h>
#include <sys/sched.h> #include <sys/sched.h>
#include <sys/sysctl.h> #include <sys/sysctl.h>
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#include <vm/vm_radix.h> #include <vm/vm_radix.h>
#include <vm/vm_reserv.h> #include <vm/vm_reserv.h>
#include <vm/uma.h> #include <vm/uma.h>
#include <machine/machdep.h> #include <machine/machdep.h>
#include <machine/md_var.h> #include <machine/md_var.h>
#include <machine/pcb.h> #include <machine/pcb.h>
#include <arm/include/physmem.h>
#define PMAP_ASSERT_STAGE1(pmap) MPASS((pmap)->pm_stage == PM_STAGE1) #define PMAP_ASSERT_STAGE1(pmap) MPASS((pmap)->pm_stage == PM_STAGE1)
#define NL0PG (PAGE_SIZE/(sizeof (pd_entry_t))) #define NL0PG (PAGE_SIZE/(sizeof (pd_entry_t)))
#define NL1PG (PAGE_SIZE/(sizeof (pd_entry_t))) #define NL1PG (PAGE_SIZE/(sizeof (pd_entry_t)))
#define NL2PG (PAGE_SIZE/(sizeof (pd_entry_t))) #define NL2PG (PAGE_SIZE/(sizeof (pd_entry_t)))
#define NL3PG (PAGE_SIZE/(sizeof (pt_entry_t))) #define NL3PG (PAGE_SIZE/(sizeof (pt_entry_t)))
#define NUL0E L0_ENTRIES #define NUL0E L0_ENTRIES
▲ Show 20 Lines • Show All 695 Lines • ▼ Show 20 Linespmap_bootstrap(vm_offset_t l0pt, vm_offset_t l1pt, vm_paddr_t kernstart,
kernel_pmap->pm_l0_paddr = l0pt - kern_delta; kernel_pmap->pm_l0_paddr = l0pt - kern_delta;
kernel_pmap->pm_cookie = COOKIE_FROM(-1, INT_MIN); kernel_pmap->pm_cookie = COOKIE_FROM(-1, INT_MIN);
kernel_pmap->pm_stage = PM_STAGE1; kernel_pmap->pm_stage = PM_STAGE1;
kernel_pmap->pm_asid_set = &asids; kernel_pmap->pm_asid_set = &asids;
/* Assume the address we were loaded to is a valid physical address */ /* Assume the address we were loaded to is a valid physical address */
min_pa = KERNBASE - kern_delta; min_pa = KERNBASE - kern_delta;
physmap_idx = arm_physmem_avail(physmap, nitems(physmap)); physmap_idx = physmem_avail(physmap, nitems(physmap));
physmap_idx /= 2; physmap_idx /= 2;
/* /*
* Find the minimum physical address. physmap is sorted, * Find the minimum physical address. physmap is sorted,
* but may contain empty ranges. * but may contain empty ranges.
*/ */
for (i = 0; i < (physmap_idx * 2); i += 2) { for (i = 0; i < (physmap_idx * 2); i += 2) {
if (physmap[i] == physmap[i + 1]) if (physmap[i] == physmap[i + 1])
▲ Show 20 Lines • Show All 64 Lines • ▼ Show 20 Lines#define alloc_pages(var, np) \
virtual_avail = preinit_map_va + PMAP_PREINIT_MAPPING_SIZE; virtual_avail = preinit_map_va + PMAP_PREINIT_MAPPING_SIZE;
virtual_avail = roundup2(virtual_avail, L1_SIZE); virtual_avail = roundup2(virtual_avail, L1_SIZE);
virtual_end = VM_MAX_KERNEL_ADDRESS - (PMAP_MAPDEV_EARLY_SIZE); virtual_end = VM_MAX_KERNEL_ADDRESS - (PMAP_MAPDEV_EARLY_SIZE);
kernel_vm_end = virtual_avail; kernel_vm_end = virtual_avail;
pa = pmap_early_vtophys(l1pt, freemempos); pa = pmap_early_vtophys(l1pt, freemempos);
arm_physmem_exclude_region(start_pa, pa - start_pa, EXFLAG_NOALLOC); physmem_exclude_region(start_pa, pa - start_pa, EXFLAG_NOALLOC);
cpu_tlb_flushID(); cpu_tlb_flushID();
} }
/* /*
* Initialize a vm_page's machine-dependent fields. * Initialize a vm_page's machine-dependent fields.
*/ */
void void
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