thermosphere: properly implement guest timer stuff

2020-01-12 21:51:50 +00:00
parent 388c245ce4
commit 68a1ce6dd2
12 changed files with 180 additions and 53 deletions
--- a/thermosphere/src/start.s
+++ b/thermosphere/src/start.s
@@ -39,6 +39,8 @@ _startCommon:
    msr     daifset, 0b1111
    msr     spsel, #1

+    mrs     x20, cntpct_el0
+
    // Set sctlr_el2 ASAP to disable mmu/caching if not already done.
    mov     x1, #0x0838
    movk    x1, #0x30C5,lsl #16
@@ -69,12 +71,13 @@ _startCommon:

    // Save x18, reserve space for exception frame
    stp     x18, xzr, [sp, #-0x10]!
-    sub     sp, sp, #0x120
+    sub     sp, sp, #0x140

    dsb     sy
    isb

    mov     x0, sp
+    mov     x1, x20
    bl      thermosphereMain

    dsb     sy