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[src/trunk]: src/sys/arch/aarch64 AA64 is not MIPS.



details:   https://anonhg.NetBSD.org/src/rev/776d2265b2e3
branches:  trunk
changeset: 956914:776d2265b2e3
user:      skrll <skrll%NetBSD.org@localhost>
date:      Tue Nov 10 07:51:19 2020 +0000

description:
AA64 is not MIPS.

Change all KSEG references to directmap

diffstat:

 sys/arch/aarch64/aarch64/aarch64_machdep.c |  16 ++++++++--------
 sys/arch/aarch64/aarch64/genassym.cf       |   6 +++---
 sys/arch/aarch64/aarch64/pmap.c            |  26 +++++++++++++-------------
 sys/arch/aarch64/aarch64/pmap_page.S       |  18 +++++++++---------
 sys/arch/aarch64/aarch64/pmapboot.c        |   6 +++---
 sys/arch/aarch64/include/asan.h            |   4 ++--
 sys/arch/aarch64/include/vmparam.h         |  18 +++++++++---------
 7 files changed, 47 insertions(+), 47 deletions(-)

diffs (truncated from 305 to 300 lines):

diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/aarch64/aarch64_machdep.c
--- a/sys/arch/aarch64/aarch64/aarch64_machdep.c        Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/aarch64/aarch64_machdep.c        Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: aarch64_machdep.c,v 1.53 2020/10/22 07:31:15 skrll Exp $ */
+/* $NetBSD: aarch64_machdep.c,v 1.54 2020/11/10 07:51:19 skrll Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: aarch64_machdep.c,v 1.53 2020/10/22 07:31:15 skrll Exp $");
+__KERNEL_RCSID(1, "$NetBSD: aarch64_machdep.c,v 1.54 2020/11/10 07:51:19 skrll Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_cpuoptions.h"
@@ -150,8 +150,8 @@
        vaddr_t data_start = (vaddr_t)__data_start;
        vaddr_t rodata_start = (vaddr_t)__rodata_start;
 
-       /* add KSEG mappings of whole memory */
-       const pt_entry_t ksegattr =
+       /* add direct mappings of whole memory */
+       const pt_entry_t dmattr =
            LX_BLKPAG_ATTR_NORMAL_WB |
            LX_BLKPAG_AP_RW |
            LX_BLKPAG_PXN |
@@ -164,7 +164,7 @@
                    (uint64_t)bootconfig.dram[blk].pages * PAGE_SIZE);
 
                pmapboot_enter_range(AARCH64_PA_TO_KVA(start), start,
-                   end - start, ksegattr, printf);
+                   end - start, dmattr, printf);
        }
        aarch64_dcache_wbinv_all();
 
@@ -216,7 +216,7 @@
  *
  *               0xffff_bfff_ffff_ffff  End of direct mapped
  *               0xffff_0000_0000_0000  Start of direct mapped
- *                                      = AARCH64_KSEG_START
+ *                                      = AARCH64_DIRECTMAP_START
  *
  * Hole:         0xfffe_ffff_ffff_ffff
  *               0x0001_0000_0000_0000
@@ -605,9 +605,9 @@
                *handled = true;
                if ((v < data_start) && (prot & VM_PROT_WRITE))
                        return EFAULT;
-       } else if (IN_RANGE(v, AARCH64_KSEG_START, AARCH64_KSEG_END)) {
+       } else if (IN_RANGE(v, AARCH64_DIRECTMAP_START, AARCH64_DIRECTMAP_END)) {
                /*
-                * if defined PMAP_MAP_POOLPAGE, direct mapped address (KSEG)
+                * if defined PMAP_MAP_POOLPAGE, direct mapped address
                 * will be appeared as kvm(3) address.
                 */
                paddr_t pa = AARCH64_KVA_TO_PA(v);
diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/aarch64/genassym.cf
--- a/sys/arch/aarch64/aarch64/genassym.cf      Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/aarch64/genassym.cf      Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: genassym.cf,v 1.31 2020/09/15 09:28:20 ryo Exp $
+# $NetBSD: genassym.cf,v 1.32 2020/11/10 07:51:19 skrll Exp $
 #-
 # Copyright (c) 2014 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -70,8 +70,8 @@
 define VM_MAX_KERNEL_ADDRESS   VM_MAX_KERNEL_ADDRESS
 define VM_KERNEL_IO_ADDRESS    VM_KERNEL_IO_ADDRESS
 define VM_KERNEL_IO_SIZE       VM_KERNEL_IO_SIZE
-define AARCH64_KSEG_START      AARCH64_KSEG_START
-define AARCH64_KSEG_MASK       AARCH64_KSEG_MASK
+define AARCH64_DIRECTMAP_START AARCH64_DIRECTMAP_START
+define AARCH64_DIRECTMAP_MASK  AARCH64_DIRECTMAP_MASK
 define UPAGES                  UPAGES
 define USPACE                  (UPAGES * PAGE_SIZE)
 
diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/aarch64/pmap.c
--- a/sys/arch/aarch64/aarch64/pmap.c   Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/aarch64/pmap.c   Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.95 2020/11/07 08:33:50 skrll Exp $  */
+/*     $NetBSD: pmap.c,v 1.96 2020/11/10 07:51:19 skrll Exp $  */
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.95 2020/11/07 08:33:50 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.96 2020/11/10 07:51:19 skrll Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_ddb.h"
@@ -282,8 +282,8 @@
 
 #define IN_RANGE(va,sta,end)   (((sta) <= (va)) && ((va) < (end)))
 
-#define IN_KSEG_ADDR(va)       \
-       IN_RANGE((va), AARCH64_KSEG_START, AARCH64_KSEG_END)
+#define IN_DIRECTMAP_ADDR(va)  \
+       IN_RANGE((va), AARCH64_DIRECTMAP_START, AARCH64_DIRECTMAP_END)
 
 #ifdef MODULAR
 #define IN_MODULE_VA(va)       IN_RANGE((va), module_start, module_end)
@@ -631,7 +631,7 @@
                PMAP_COUNT(pdp_alloc);
                PMAP_PAGE_INIT(VM_PAGE_TO_PP(pg));
        } else {
-               /* uvm_pageboot_alloc() returns AARCH64 KSEG address */
+               /* uvm_pageboot_alloc() returns AARCH64 direct mapping address */
                pg = NULL;
                pa = AARCH64_KVA_TO_PA(
                    uvm_pageboot_alloc(Ln_TABLE_SIZE));
@@ -790,10 +790,10 @@
                        /* kernel text/data/bss are definitely linear mapped */
                        pa = KERN_VTOPHYS(va);
                        goto mapped;
-               } else if (IN_KSEG_ADDR(va)) {
+               } else if (IN_DIRECTMAP_ADDR(va)) {
                        /*
-                        * also KSEG is linear mapped, but areas that have no
-                        * physical memory haven't been mapped.
+                        * also direct mapping is linear mapped, but areas that
+                        * have no physical memory haven't been mapped.
                         * fast lookup by using the S1E1R/PAR_EL1 registers.
                         */
                        register_t s = daif_disable(DAIF_I|DAIF_F);
@@ -1261,7 +1261,7 @@
        KDASSERT((va & PGOFSET) == 0);
        KDASSERT((size & PGOFSET) == 0);
 
-       KDASSERT(!IN_KSEG_ADDR(va));
+       KDASSERT(!IN_DIRECTMAP_ADDR(va));
        KDASSERT(IN_RANGE(va, VM_MIN_KERNEL_ADDRESS, VM_MAX_KERNEL_ADDRESS));
 
        _pmap_remove(kpm, va, va + size, true, NULL);
@@ -1319,7 +1319,7 @@
            pm, sva, eva, prot);
 
        KASSERT_PM_ADDR(pm, sva);
-       KASSERT(!IN_KSEG_ADDR(sva));
+       KASSERT(!IN_DIRECTMAP_ADDR(sva));
 
        /* PROT_EXEC requires implicit PROT_READ */
        if (prot & VM_PROT_EXECUTE)
@@ -1766,7 +1766,7 @@
            va, pa, prot, flags);
 
        KASSERT_PM_ADDR(pm, va);
-       KASSERT(!IN_KSEG_ADDR(va));
+       KASSERT(!IN_DIRECTMAP_ADDR(va));
 
 #ifdef PMAPCOUNTERS
        PMAP_COUNT(mappings);
@@ -2115,7 +2115,7 @@
        struct pv_entry *pv, *pvtmp;
 
        KASSERT_PM_ADDR(pm, sva);
-       KASSERT(!IN_KSEG_ADDR(sva));
+       KASSERT(!IN_DIRECTMAP_ADDR(sva));
 
        pm_lock(pm);
        _pmap_remove(pm, sva, eva, false, &pvtofree);
@@ -2263,7 +2263,7 @@
        PMAP_COUNT(unwire);
 
        KASSERT_PM_ADDR(pm, va);
-       KASSERT(!IN_KSEG_ADDR(va));
+       KASSERT(!IN_DIRECTMAP_ADDR(va));
 
        pm_lock(pm);
        ptep = _pmap_pte_lookup_l3(pm, va);
diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/aarch64/pmap_page.S
--- a/sys/arch/aarch64/aarch64/pmap_page.S      Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/aarch64/pmap_page.S      Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap_page.S,v 1.4 2018/09/26 16:55:34 ryo Exp $ */
+/* $NetBSD: pmap_page.S,v 1.5 2020/11/10 07:51:19 skrll Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -33,15 +33,15 @@
 
 #include "assym.h"
 
-RCSID("$NetBSD: pmap_page.S,v 1.4 2018/09/26 16:55:34 ryo Exp $");
+RCSID("$NetBSD: pmap_page.S,v 1.5 2020/11/10 07:51:19 skrll Exp $");
 
 /* LINTSTUB: void pmap_zero_page(paddr_t pa); */
 ENTRY(pmap_zero_page)
        /* convert to direct mapped */
-#if ((AARCH64_KSEG_MASK & 0x0000ffffffffffff) == 0)
-       movk    x0, #(AARCH64_KSEG_START >> 48), lsl #48
+#if ((AARCH64_DIRECTMAP_MASK & 0x0000ffffffffffff) == 0)
+       movk    x0, #(AARCH64_DIRECTMAP_START >> 48), lsl #48
 #else
-       mov     x1, #AARCH64_KSEG_START
+       mov     x1, #AARCH64_DIRECTMAP_START
        orr     x0, x0, x1
 #endif
 
@@ -71,11 +71,11 @@
 /* LINTSTUB: void pmap_copy_page(paddr_t src_pa, paddr_t dst_pa); */
 ENTRY(pmap_copy_page)
        /* convert to direct mapped */
-#if ((AARCH64_KSEG_MASK & 0x0000ffffffffffff) == 0)
-       movk    x0, #(AARCH64_KSEG_START >> 48), lsl #48
-       movk    x1, #(AARCH64_KSEG_START >> 48), lsl #48
+#if ((AARCH64_DIRECTMAP_MASK & 0x0000ffffffffffff) == 0)
+       movk    x0, #(AARCH64_DIRECTMAP_START >> 48), lsl #48
+       movk    x1, #(AARCH64_DIRECTMAP_START >> 48), lsl #48
 #else
-       mov     x2, #AARCH64_KSEG_START
+       mov     x2, #AARCH64_DIRECTMAP_START
        orr     x0, x0, x2
        orr     x1, x1, x2
 #endif
diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/aarch64/pmapboot.c
--- a/sys/arch/aarch64/aarch64/pmapboot.c       Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/aarch64/pmapboot.c       Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmapboot.c,v 1.11 2020/11/07 08:48:11 skrll Exp $      */
+/*     $NetBSD: pmapboot.c,v 1.12 2020/11/10 07:51:19 skrll Exp $      */
 
 /*
  * Copyright (c) 2018 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmapboot.c,v 1.11 2020/11/07 08:48:11 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmapboot.c,v 1.12 2020/11/10 07:51:19 skrll Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_ddb.h"
@@ -70,7 +70,7 @@
  * 'clrprot' specified by bit of VM_PROT_{READ,WRITE,EXECUTE}
  * will be dropped from a pte entry.
  *
- * require KSEG(cached) mappings because TLB entries are already cached on.
+ * require direct (cached) mappings because TLB entries are already cached on.
  */
 int
 pmapboot_protect(vaddr_t sva, vaddr_t eva, vm_prot_t clrprot)
diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/include/asan.h
--- a/sys/arch/aarch64/include/asan.h   Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/include/asan.h   Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: asan.h,v 1.13 2020/09/20 15:30:11 skrll Exp $  */
+/*     $NetBSD: asan.h,v 1.14 2020/11/10 07:51:19 skrll Exp $  */
 
 /*
  * Copyright (c) 2018-2020 Maxime Villard, m00nbsd.net
@@ -43,7 +43,7 @@
 #define __MD_KERNMEM_BASE      0xFFFF000000000000 /* kern mem base address */
 
 #define __MD_SHADOW_SIZE       (1ULL << (__MD_VIRTUAL_SHIFT - KASAN_SHADOW_SCALE_SHIFT))
-#define KASAN_MD_SHADOW_START  (AARCH64_KSEG_END)
+#define KASAN_MD_SHADOW_START  (AARCH64_DIRECTMAP_END)
 #define KASAN_MD_SHADOW_END    (KASAN_MD_SHADOW_START + __MD_SHADOW_SIZE)
 
 static bool __md_early __read_mostly = true;
diff -r 7e8041a302d1 -r 776d2265b2e3 sys/arch/aarch64/include/vmparam.h
--- a/sys/arch/aarch64/include/vmparam.h        Tue Nov 10 07:40:30 2020 +0000
+++ b/sys/arch/aarch64/include/vmparam.h        Tue Nov 10 07:51:19 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmparam.h,v 1.16 2020/10/06 13:42:03 christos Exp $ */
+/* $NetBSD: vmparam.h,v 1.17 2020/11/10 07:51:19 skrll Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -127,7 +127,7 @@
 
 /*
  * kernel virtual space layout:
- *   0xffff_0000_0000_0000  -   64T  KSEG(direct mapping)
+ *   0xffff_0000_0000_0000  -   64T  direct mapping
  *   0xffff_4000_0000_0000  -   32T  (KASAN SHADOW MAP)
  *   0xffff_6000_0000_0000  -   32T  (not used)
  *   0xffff_8000_0000_0000  -    1G  EFI_RUNTIME
@@ -168,13 +168,13 @@
  * Since we have the address space, we map all of physical memory (RAM)
  * using block page table entries.
  */
-#define AARCH64_KSEG_MASK      ((vaddr_t) 0xffff000000000000L)
-#define AARCH64_KSEG_SIZE      (1UL << 46)     /* 64TB */
-#define AARCH64_KSEG_START     AARCH64_KSEG_MASK
-#define AARCH64_KSEG_END       (AARCH64_KSEG_START + AARCH64_KSEG_SIZE)
-#define AARCH64_KVA_P(va)      (((vaddr_t) (va) & AARCH64_KSEG_MASK) != 0)
-#define AARCH64_PA_TO_KVA(pa)  ((vaddr_t) ((pa) | AARCH64_KSEG_START))
-#define AARCH64_KVA_TO_PA(va)  ((paddr_t) ((va) & ~AARCH64_KSEG_MASK))
+#define AARCH64_DIRECTMAP_MASK ((vaddr_t) 0xffff000000000000L)
+#define AARCH64_DIRECTMAP_SIZE (1UL << 46)     /* 64TB */
+#define AARCH64_DIRECTMAP_START        AARCH64_DIRECTMAP_MASK
+#define AARCH64_DIRECTMAP_END  (AARCH64_DIRECTMAP_START + AARCH64_DIRECTMAP_SIZE)
+#define AARCH64_KVA_P(va)      (((vaddr_t) (va) & AARCH64_DIRECTMAP_MASK) != 0)



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