thermosphere: enable EL2 stage1 translation (doesn't take much space)

Identity map using 1GB L1 blocks
2019-08-01 02:58:16 +02:00
parent a35b3ff982
commit 823b2c8a6d
13 changed files with 454 additions and 12 deletions
--- a/thermosphere/src/start.s
+++ b/thermosphere/src/start.s
@@ -82,7 +82,7 @@ _startCommon:

    // Don't call init array to save space?
    // Clear BSS & call main for the first core executing this code
-    cbz     x19, _jump_to_main
+    cbz     x19, _enable_mmu
    adrp    x0, __bss_start__
    add     x0, x0, #:lo12:__bss_start__
    mov     w1, wzr
@@ -91,7 +91,9 @@ _startCommon:
    sub     x2, x2, x0
    bl      memset

-_jump_to_main:
+_enable_mmu:
+
+    bl      configureMemoryMapEnableMmu

    dsb     sy
    isb