| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | [arm] Use CNTVCT_EL0 as profiling timestamp | Michael Brown | 2016-05-12 | 1 | -3/+1 |
| | | | | | | | | | | | | | The raw cycle counter at PMCCNTR_EL0 works in qemu but seems to always read as zero on physical hardware (tested on Juno r1 and Cavium ThunderX), even after ensuring that PMCR_EL0.E and PMCNTENSET_EL0.C are both enabled. Use CNTVCT_EL0 instead; this seems to count at a lower resolution (tens of CPU cycles), but is usable for profiling. Signed-off-by: Michael Brown <mcb30@ipxe.org> | ||||
| * | [arm] Add support for 64-bit ARM (Aarch64) | Michael Brown | 2016-05-08 | 1 | -0/+30 |
| Signed-off-by: Michael Brown <mcb30@ipxe.org> | |||||
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