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| author | marcel <marcel@FreeBSD.org> | 2009-06-09 17:21:47 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2009-06-09 17:21:47 +0000 |
| commit | 6550c66aa23e544ae0721ff433e77661cc5c4098 (patch) | |
| tree | 46973a5cb13e5a939cfba4514a6c71aa654f1c92 /sys/arm | |
| parent | 5e741eef8498d3a8f754989c20cb04a54cc89fba (diff) | |
| download | FreeBSD-src-6550c66aa23e544ae0721ff433e77661cc5c4098.zip FreeBSD-src-6550c66aa23e544ae0721ff433e77661cc5c4098.tar.gz | |
Disable interrupts to allow booting on firmware (e.g. U-Boot) that
has interrupts enabled and active.
Obtained from: Juniper Networks, Inc.
Diffstat (limited to 'sys/arm')
| -rw-r--r-- | sys/arm/arm/locore.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/arm/arm/locore.S b/sys/arm/arm/locore.S index e56a91c..ff4494d 100644 --- a/sys/arm/arm/locore.S +++ b/sys/arm/arm/locore.S @@ -73,6 +73,11 @@ ASENTRY_NP(_start) mov ip, r0 + /* Make sure interrupts are disabled. */ + mrs r7, cpsr + orr r7, r7, #(I32_bit|F32_bit) + msr cpsr_c, r7 + #if defined (FLASHADDR) && defined(LOADERRAMADDR) /* Check if we're running from flash. */ ldr r7, =FLASHADDR |
