Module Name: src
Committed By: maxv
Date: Fri Aug 10 17:46:06 UTC 2018
Modified Files:
src/sys/arch/aarch64/aarch64: locore.S
Log Message:
Enlighten a little.
To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/sys/arch/aarch64/aarch64/locore.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/aarch64/aarch64/locore.S
diff -u src/sys/arch/aarch64/aarch64/locore.S:1.16 src/sys/arch/aarch64/aarch64/locore.S:1.17
--- src/sys/arch/aarch64/aarch64/locore.S:1.16 Mon Aug 6 20:05:26 2018
+++ src/sys/arch/aarch64/aarch64/locore.S Fri Aug 10 17:46:06 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.S,v 1.16 2018/08/06 20:05:26 ryo Exp $ */
+/* $NetBSD: locore.S,v 1.17 2018/08/10 17:46:06 maxv Exp $ */
/*
* Copyright (c) 2017 Ryo Shimizu <r...@nerv.org>
@@ -35,7 +35,7 @@
#include <aarch64/hypervisor.h>
#include "assym.h"
-RCSID("$NetBSD: locore.S,v 1.16 2018/08/06 20:05:26 ryo Exp $")
+RCSID("$NetBSD: locore.S,v 1.17 2018/08/10 17:46:06 maxv Exp $")
/* #define DEBUG_LOCORE */
/* #define DEBUG_MMU */
@@ -589,28 +589,30 @@ arm_boot_l0pt_init:
b.lo 1b
VERBOSE("Creating VA=PA tables\r\n")
- /* VA=PA table for L0 */
+
+ /* VA=PA table, link L0->L1 */
ADDR x0, ttbr0_l0table
mov x1, #0
ADDR x2, ttbr0_l1table
bl l0_settable
- /* VA=PA blocks */
+ /* VA=PA L1 blocks */
ADDR x0, ttbr0_l1table
- mov x1, #0 /* PA */
- mov x2, #0 /* VA */
+ mov x1, #0 /* VA */
+ mov x2, #0 /* PA */
mov x3, #L2_BLKPAG_ATTR_DEVICE_MEM
mov x4, #4 /* 4GB = whole 32bit */
bl l1_setblocks
VERBOSE("Creating KSEG tables\r\n")
- /* KSEG table for L0 */
+
+ /* KSEG table, link L0->L1 */
ADDR x0, ttbr1_l0table
mov x1, #AARCH64_KSEG_START
ADDR x2, ttbr1_l1table_kseg
bl l0_settable
- /* KSEG blocks */
+ /* KSEG L1 blocks */
ADDR x0, ttbr1_l1table_kseg
mov x1, #AARCH64_KSEG_START
mov x2, #0
@@ -620,19 +622,20 @@ arm_boot_l0pt_init:
bl l1_setblocks
VERBOSE("Creating KVA=PA tables\r\n")
- /* KVA=PA table for L0 */
+
+ /* KVA=PA table, link L0->L1 */
ADDR x0, ttbr1_l0table
mov x1, #VM_MIN_KERNEL_ADDRESS
ADDR x2, ttbr1_l1table_kva
bl l0_settable
- /* KVA=PA table for L1 */
+ /* KVA=PA table, link L1->L2 */
ADDR x0, ttbr1_l1table_kva
mov x1, #VM_MIN_KERNEL_ADDRESS
ADDR x2, ttbr1_l2table_kva
bl l1_settable
- /* KVA=PA blocks */
+ /* KVA=PA L2 blocks */
ADDR x0, ttbr1_l2table_kva
adr x2, start /* physical addr. before MMU */
and x2, x2, #L2_BLK_OA /* L2 block size aligned (2MB) */
@@ -717,7 +720,7 @@ arm_boot_l0pt_init:
VERBOSE("Creating devmap tables\r\n")
- /* devmap=PA table for L1 */
+ /* devmap=PA table, link L1->L2 */
ADDR x0, ttbr1_l1table_kva
ldr x1, .L_devmap_addr
ADDR x2, ttbr1_l2table_devmap
