nfp: bpf: encode extended LM pointer operands

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Most instructions have special fields which allow switching
between base and extended Local Memory pointers.  Introduce
those to register encoding, we will use the extra LM pointers
to access high addresses of the stack.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jakub Kicinski 2017-10-08 21:04:12 -07:00 • committed by David S. Miller

parent 9f15d0f438

commit 995e101ffa

3 changed files with 70 additions and 20 deletions

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56

drivers/net/ethernet/netronome/nfp/bpf/jit.c

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6

drivers/net/ethernet/netronome/nfp/nfp_asm.c

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28

drivers/net/ethernet/netronome/nfp/nfp_asm.h

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