thermosphere: optimize barrier and core_ctx

2020-01-26 15:07:26 +00:00
parent 1f2b8e7918
commit 8538fed043
7 changed files with 53 additions and 33 deletions
--- a/thermosphere/src/exception_vectors.s
+++ b/thermosphere/src/exception_vectors.s
@@ -104,6 +104,8 @@ vector_entry \name

    .if \type == EXCEPTION_TYPE_GUEST
        ldp     x18, xzr, [sp, #EXCEP_STACK_FRAME_SIZE]
+        prfm    pldl1keep, [x18]
+        prfm    pstl1keep, [x18, #0x40]
        str     x0, [x18, #CORECTX_GUEST_FRAME_OFFSET]
        mov     w1, #1
    .else