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| author | Christoffer Dall <cdall@cs.columbia.edu> | 2011-04-23 12:26:45 +0200 |
|---|---|---|
| committer | Christoffer Dall <cdall@cs.columbia.edu> | 2011-04-28 13:15:29 +0200 |
| commit | caf2b243c4e2dad98a375d455764d9859e6bee5e (patch) | |
| tree | 8afdf4b478e2cb0c5dc3d9f08819eaca9ef75cfa | |
| parent | f6a4aa162284a89ea25dd6c3dc7398efb8c5bc6e (diff) | |
Allow co-processor access from non-secure mode
| -rw-r--r-- | boot.S | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -65,6 +65,12 @@ _start: mov r1, #0x80 str r1, [r0, #0x4] @ GIC ICCPMR + @ Set NSACR to allow coprocessor access from non-secure + mrc p15, 0, r0, c1, c1, 2 + ldr r1, =0x3fff + orr r0, r0, r1 + mcr p15, 0, r0, c1, c1, 2 + @ Change to NS-mode mov r0, #0xf0000000 mcr p15, 0, r0, c12, c0, 1 @ Monitor vector base address |