upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-11 09:41:03 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Mark all arm64 locore functions with ENTRY/LENTRY

Browse source 
It is useful to know where these are within the code, and will be
needed by later changes.

Sponsored by:	Innovate UK
This commit is contained in:
Andrew Turner 2020-12-23 13:24:52 +00:00
parent 6f8866af34
commit edb48ff6e7
1 changed files with 20 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
sys/arm64/arm64/locore.S
View file

@ -67,9 +67,7 @@
* We are loaded at a 2MiB aligned address
*/
.text
.globl _start
_start:
ENTRY(_start)
#if defined(LINUX_BOOT_ABI)
/* U-boot image header */
b 1f /* code 0 */
@ -190,6 +188,7 @@ virtdone:
.quad __bss_start
.Lend:
.quad __bss_end
END(_start)
#ifdef SMP
/*
@ -249,7 +248,7 @@ END(mpentry)
* If we are started in EL2, configure the required hypervisor
* registers and drop to EL1.
*/
drop_to_el1:
LENTRY(drop_to_el1)
mrs x23, CurrentEL
lsr x23, x23, #2
cmp x23, #0x2
@ -318,6 +317,7 @@ drop_to_el1:
.align 3
.Lsctlr_res1:
.quad SCTLR_RES1
LEND(drop_to_el1)
#define VECT_EMPTY \
.align 7; \
@ -350,7 +350,7 @@ hyp_vectors:
* virtual address we expect to run from. This is used when building the
* initial page table.
*/
get_virt_delta:
LENTRY(get_virt_delta)
/* Load the physical address of virt_map */
adrp x29, virt_map
add x29, x29, :lo12:virt_map
@ -366,6 +366,7 @@ get_virt_delta:
.align 3
virt_map:
.quad virt_map
LEND(get_virt_delta)
/*
* This builds the page tables containing the identity map, and the kernel
@ -386,7 +387,7 @@ virt_map:
* - The identity (PA = VA) L0 table (TTBR0)
* - The DMAP L1 tables
*/
create_pagetables:
LENTRY(create_pagetables)
/* Save the Link register */
mov x5, x30
@ -538,6 +539,7 @@ common:
/* Restore the Link register */
mov x30, x5
ret
LEND(create_pagetables)
/*
* Builds an L0 -> L1 table descriptor
@ -551,7 +553,7 @@ common:
* x10 = Entry count
* x11, x12 and x13 are trashed
*/
link_l0_pagetable:
LENTRY(link_l0_pagetable)
/*
* Link an L0 -> L1 table entry.
*/
@ -575,6 +577,7 @@ link_l0_pagetable:
cbnz x10, 1b
ret
LEND(link_l0_pagetable)
/*
* Builds an L1 -> L2 table descriptor
@ -587,7 +590,7 @@ link_l0_pagetable:
* x9 = L2 PA (trashed)
* x11, x12 and x13 are trashed
*/
link_l1_pagetable:
LENTRY(link_l1_pagetable)
/*
* Link an L1 -> L2 table entry.
*/
@ -606,6 +609,7 @@ link_l1_pagetable:
str x13, [x6, x11, lsl #3]
ret
LEND(link_l1_pagetable)
/*
* Builds count 1 GiB page table entry
@ -616,7 +620,7 @@ link_l1_pagetable:
* x10 = Entry count
* x11, x12 and x13 are trashed
*/
build_l1_block_pagetable:
LENTRY(build_l1_block_pagetable)
/*
* Build the L1 table entry.
*/
@ -643,6 +647,7 @@ build_l1_block_pagetable:
cbnz x10, 1b
ret
LEND(build_l1_block_pagetable)
/*
* Builds count 2 MiB page table entry
@ -653,7 +658,7 @@ build_l1_block_pagetable:
* x10 = Entry count
* x11, x12 and x13 are trashed
*/
build_l2_block_pagetable:
LENTRY(build_l2_block_pagetable)
/*
* Build the L2 table entry.
*/
@ -682,8 +687,9 @@ build_l2_block_pagetable:
cbnz x10, 1b
ret
LEND(build_l2_block_pagetable)
start_mmu:
LENTRY(start_mmu)
dsb sy
/* Load the exception vectors */
@ -775,10 +781,11 @@ sctlr_clear:
/* Bits to clear */
.quad (SCTLR_EE | SCTLR_EOE | SCTLR_IESB | SCTLR_WXN | SCTLR_UMA | \
SCTLR_ITD | SCTLR_A)
LEND(start_mmu)
.globl abort
abort:
ENTRY(abort)
b abort
END(abort)
.align 3
init_pt_va: