3rd-party/linux-kernel-module-cheat
1
0
Fork 0
mirror of https://github.com/cirosantilli/linux-kernel-module-cheat.git synced 2026-01-29 21:14:27 +01:00
Code Issues Releases Wiki Activity

baremetal: only rebuild required files based on mtime

Browse Source 
Move multcore test up with bootloader.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2018-11-22 00:00:03 +00:00
parent f73eaaffd2
commit 8dd01415f5
4 changed files with 99 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
baremetal/arch/aarch64/no_bootloader/multicore.S
View File

@@ -1,35 +0,0 @@
/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-multicore */
.global mystart
mystart:
/* Reset spinlock. */
mov x0, #0
ldr x1, =spinlock
str x0, [x1]
/* Read cpu id into x1. */
mrs x1, mpidr_el1
and x1, x1, #3
cbz x1, 1f
/* Only CPU 1 reaches this point and sets the spinlock. */
mov x0, #1
ldr x1, =spinlock
str x0, [x1]
b .
1:
/* Only CPU 0 reaches this point. */
ldr x0, spinlock
cbz x0, 1b
/* Semihost exit. */
mov x1, #0x26
movk x1, #2, lsl #16
str x1, [sp,#0]
mov x0, #0
str x0, [sp,#8]
mov x1, sp
mov w0, #0x18
hlt 0xf000
spinlock:
.skip 8