d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove L2_BLOCK_MASK from arm64

Browse Source 
It's unneeded as it was just used to align KERNBASE to a level 2
block start address. KERNBASE was already aligned correctly.

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2022-03-23 15:33:05 +00:00
parent 863f3220d0
commit 6e1f7b9b38
2 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/arm64/arm64/locore.S
View File

@ -455,7 +455,7 @@ common:
/* Create the kernel space L2 table */
mov x6, x26
mov x7, #(ATTR_S1_IDX(VM_MEMATTR_WRITE_BACK))
mov x8, #(KERNBASE & L2_BLOCK_MASK)
mov x8, #(KERNBASE)
mov x9, x28
bl build_l2_block_pagetable

2
sys/arm64/include/pte.h
View File

@ -134,8 +134,6 @@ typedef uint64_t pt_entry_t; /* page table entry */
#define L2_BLOCK L1_BLOCK
#define L2_TABLE L1_TABLE
#define L2_BLOCK_MASK UINT64_C(0xffffffffffe00000)
/* Level 3 table, 4KiB per entry */
#define L3_SHIFT 12
#define L3_SIZE (1 << L3_SHIFT)