kern: swap tpidr_el1/cntv_cval_el0 as scratch vs exception stack

2021-04-07 08:36:03 -07:00
parent 2f930c2d5f
commit c216f92a91
7 changed files with 34 additions and 28 deletions
--- a/mesosphere/kernel/source/arch/arm64/init/start.s
+++ b/mesosphere/kernel/source/arch/arm64/init/start.s
@@ -227,9 +227,9 @@ _ZN3ams4kern4init16InvokeEntrypointEPKNS1_14KInitArgumentsE:
    /* Ensure that the exception vectors are setup. */
    bl _ZN3ams4kern4init26InitializeExceptionVectorsEv

-    /* Setup the exception stack in tpidr_el1. */
+    /* Setup the exception stack in cntv_cval_el0. */
    ldr x1, [x20, #0x58]
-    msr tpidr_el1, x1
+    msr cntv_cval_el0, x1

    /* Jump to the entrypoint. */
    ldr x1, [x20, #0x40]