Disable timer and interrupts

2021-03-10 00:32:07 +09:00 · 2021-03-10 00:32:07 +09:00 · a441be9976
parent 1a061b3c7d
commit a441be9976
1 changed files with 10 additions and 1 deletions
--- a/x1/injector/disable_mmu.S
+++ b/x1/injector/disable_mmu.S
@ -3,9 +3,18 @@
    .global _start

 _start:
-    mov r9, #0
    ldr r0, =0x67800000

+    cpsid if
+
+    mrc p15, 0, r8, c14, c2, 1
+    bic r8, r8, #1
+    mcr p15, 0, r8, c14, c2, 1
+    mrc p15, 0, r8, c14, c3, 1
+    bic r8, r8, #1
+    mcr p15, 0, r8, c14, c3, 1
+
+    mov r9, #0
    mrc p15, 0, r10, c1, c0, 0
    @bic r10, r10, #5  @ disable MMU and dcache
    bic r10, r10, #1  @ disable MMU