diff options
Diffstat (limited to 'ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm')
| -rw-r--r-- | ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm index d60d4ed213..82daa3ce16 100644 --- a/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm +++ b/ArmPkg/Library/ArmLib/ArmV7/ArmLibSupportV7.asm @@ -37,8 +37,10 @@ ArmIsMpCore mrc p15,0,R0,c0,c0,5
// Get Multiprocessing extension (bit31) & U bit (bit30)
and R0, R0, #0xC0000000
- // if bit30 == 0 then the processor is part of a multiprocessor system)
- and R0, R0, #0x80000000
+ // if (bit31 == 1) && (bit30 == 0) then the processor is part of a multiprocessor system
+ cmp R0, #0x80000000
+ moveq R0, #1
+ movne R0, #0
bx LR
ArmEnableAsynchronousAbort
|