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author | Andrew Waterman <waterman@cs.berkeley.edu> | 2015-09-20 23:31:23 -0700 |
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committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2015-09-20 23:31:23 -0700 |
commit | 0bf56e2156ad5393ec2997e4f3dfba98778e8f1f (patch) | |
tree | 2ef7c198f94720b118c02c3aaab8a3b69dbbbb89 /v/entry.S | |
parent | cdf86f59e5706d1c35371b555892fe7b8ab2b01d (diff) | |
download | env-0bf56e2156ad5393ec2997e4f3dfba98778e8f1f.zip env-0bf56e2156ad5393ec2997e4f3dfba98778e8f1f.tar.gz env-0bf56e2156ad5393ec2997e4f3dfba98778e8f1f.tar.bz2 |
Remove Hwacha v3 support
Diffstat (limited to 'v/entry.S')
-rw-r--r-- | v/entry.S | 28 |
1 files changed, 1 insertions, 27 deletions
@@ -130,34 +130,8 @@ trap_entry: csrr t0,scause STORE t0,35*REGBYTES(sp) - # get hwacha cause if IRQ_COP - # vxcptcause clears hwacha interrupt bit - - bgez t0,1f - slli t0,t0,1 # clearing MSB of cause - srli t0,t0,1 # clearing MSB of cause - li t1,IRQ_COP - bne t0,t1,1f - vxcptcause t0 - STORE t0,36*REGBYTES(sp) -1: - move a0, sp - csrr t0, sstatus - li t1, SSTATUS_XS - and t0, t0, t1 - beqz t0, 2f - - # disable saving vector state for now - addi t0,sp,SIZEOF_TRAPFRAME_T_SCALAR - - vgetcfg x4 - STORE x4,0*REGBYTES(t0) - vgetvl x4 - STORE x4,1*REGBYTES(t0) - addi t0,t0,2*REGBYTES - vxcptevac t0 -2:j handle_trap + j handle_trap .global do_tohost do_tohost: |