9 Apr
2015
9 Apr
'15
3:53 a.m.
On 04/08/2015 10:02 PM, Mark Rutland wrote:
- /* We're now in idmap, disable MMU */
+1: mrs x0, sctlr_el2
- and x1, x0, #SCTLR_EL2_EE
- orr x0, x0, x1 // preserve endianness of EL2
- ldr x1, =SCTLR_EL2_FLAGS
- eor x1, x1, xzr
- bic x0, x0, x1 // Clear SCTL_M and etc
- msr sctlr_el2, x0
- isb
This can instead be:
1: mrs x0, sctlr_el2 ldr x1, =SCTLR_EL2_FLAGS bic x0, x0, x1 msr sctlr_el2, x0 isb
As SCTLR_EL2_FLAGS doesn't contain the EE bit.
Oops. I will fix it.
Thanks, -Takahiro AKASHI
Mark.