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(parent: db9f3fd) | patch
RISC-V: Add misa.MAFD checks to translate
authorMichael Clark <mjc@sifive.com>
Mon, 14 Jan 2019 23:58:51 +0000 (23:58 +0000)
committerPalmer Dabbelt <palmer@sifive.com>
Mon, 11 Feb 2019 23:56:22 +0000 (15:56 -0800)
commitd77c3401e694900a15dd8a658ae524f33fc8bc50
treeeb6d3c2220109ae3d7c830bc686665ef1f5871catree | snapshot
parentdb9f3fd69d5bccfd25f84d5cec805308406b7b8fcommit | diff
RISC-V: Add misa.MAFD checks to translate

Add misa checks for M, A, F and D extensions and if they are
not present generate illegal instructions. This improves
emulation accurary for harts with a limited set of extensions.

Signed-off-by: Michael Clark <mjc@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
target/riscv/translate.c diff | blob | history
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