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powerpc/pmap: Use a constant for HPT superpage shift

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There are no plans to allow multiple sizes of HPT superpages, so just use a
constant for it.

MFC after:	3 weeks
Fixes:		1bc75d77e9 ("powerpc/pmap/oea64: Make PV_LOCK superpage sized")
This commit is contained in:
Justin Hibbits
2026-02-03 10:11:19 -05:00
parent 9d4bad45e2
commit 9345091308
2 changed files with 5 additions and 4 deletions
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sys/powerpc/aim/mmu_oea64.c
+2 -2
View File
@@ -125,7 +125,7 @@ uintptr_t moea64_get_unique_vsid(void);
#define PV_LOCK_COUNT MAXCPU
static struct mtx_padalign pv_lock[PV_LOCK_COUNT];
#define PV_LOCK_SHIFT HPT_SP_SIZE
#define PV_LOCK_SHIFT HPT_SP_SHIFT
#define pa_index(pa) ((pa) >> PV_LOCK_SHIFT)
/*
@@ -890,7 +890,7 @@ moea64_early_bootstrap(vm_offset_t kernelstart, vm_offset_t kernelend)
int rm_pavail;
/* Level 0 reservations consist of 4096 pages (16MB superpage). */
vm_level_0_order = 12;
vm_level_0_order = VM_LEVEL_0_ORDER_HPT;
#ifndef __powerpc64__
/* We don't have a direct map since there is no BAT */
sys/powerpc/include/pte.h
+3 -2
View File
@@ -145,10 +145,11 @@ typedef struct lpte lpte_t;
#define LPTE_RO LPTE_BR
/* HPT superpage definitions */
#define HPT_SP_SHIFT (VM_LEVEL_0_ORDER + PAGE_SHIFT)
#define VM_LEVEL_0_ORDER_HPT 12
#define HPT_SP_SHIFT (VM_LEVEL_0_ORDER_HPT + PAGE_SHIFT)
#define HPT_SP_SIZE (1 << HPT_SP_SHIFT)
#define HPT_SP_MASK (HPT_SP_SIZE - 1)
#define HPT_SP_PAGES (1 << VM_LEVEL_0_ORDER)
#define HPT_SP_PAGES (1 << VM_LEVEL_0_ORDER_HPT)
/* POWER ISA 3.0 Radix Table Definitions */
#define RPTE_VALID 0x8000000000000000ULL