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_ldr/source/arch/arm64/start.s
+++ b/mesosphere/kernel_ldr/source/arch/arm64/start.s
@@ -89,7 +89,8 @@ _main:
    bl _ZN3ams4kern4init3Elf18CallInitArrayFuncsEmm

    /* Setup system registers, for detection of errors during init later. */
-    msr tpidr_el1, xzr /* Clear TPIDR_EL1 */
+    msr tpidr_el1, xzr
+    msr cntv_cval_el0, xzr
    adr x0, __external_references
    adr x1, _start
    ldr x0, [x0,  #0x30]