hwstub: don't touch mmu registers on non-STMP targets, they might not exist

Change-Id: Ib18475fd90e0d29ab6d7214116f7a0041584d621
2013-10-22 00:23:33 +02:00 · 2013-10-22 00:23:33 +02:00 · bfb67f41a9
commit bfb67f41a9
parent 4da8a441d1
1 changed files with 2 additions and 0 deletions
--- a/utils/hwstub/stub/crt0.S
+++ b/utils/hwstub/stub/crt0.S
@ -5,12 +5,14 @@
 start:
    sub     r7, pc, #8 /* Copy running address */
    msr     cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ/FIQ */
+#ifdef CONFIG_STMP
    /* Disable MMU, disable caching and buffering;
     * use low exception range address */
    mrc     p15, 0, r0, c1, c0, 0
    ldr     r1, =0x3005
    bic     r0, r1
    mcr     p15, 0, r0, c1, c0, 0
+#endif
    ldr     sp, =oc_stackend
    /* Relocate to right address */
    mov    r2, r7