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AgeCommit message (Collapse)AuthorFilesLines
2015-11-28Change boot procedure to not rely on IPIsAndrew Waterman1-10/+17
That procedure doesn't work correctly if hart 0 comes out of reset while hart 1 is still in reset.
2015-11-16Use IPIs to wake up hartsAndrew Waterman1-13/+10
This has the side effect of testing the IPI mechanism. Still not sure this is the best approach to booting, but it works...
2015-09-14Zero-initialize x-registers for debuggabilityAndrew Waterman1-0/+33
2015-09-03Fix RVC buildAndrew Waterman1-0/+1
2015-07-05New M-mode timer and SBI call to use itAndrew Waterman1-13/+21
2015-05-29Make boot loader/SBI changes to support SMP LinuxAndrew Waterman1-1/+21
2015-05-09Upgrade to privileged architecture 1.7Andrew Waterman1-33/+40
2015-03-31Don't rely on mstatus.fs to determine FPU presenceAndrew Waterman1-45/+38
2015-03-24New virtual memory implementation (Sv39)Andrew Waterman1-1/+1
2015-03-17Merge [shm]call into ecall, [shm]ret into eretAndrew Waterman1-44/+67
2015-03-12Use hcall instead of mcall for sbi callsAndrew Waterman1-2/+2
2015-03-12Update to new privileged specAndrew Waterman1-0/+250