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authorMarkku-Juhani O. Saarinen <mjos@mjos.fi>2021-11-01 14:51:08 +0000
committerMarkku-Juhani O. Saarinen <mjos@mjos.fi>2021-11-01 14:51:08 +0000
commitc08650229cb7a055378c8a2dbf6370a59f03dea0 (patch)
treefe7b8d0ef740069cb0561cab66d8ca9409726f29
parent6a13d49c62c57ecc88d709118b2b8014f8906d2d (diff)
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Change entropy source CSR name and address (seed).
-rw-r--r--opcodes-rvk4
-rwxr-xr-xparse_opcodes3
2 files changed, 1 insertions, 6 deletions
diff --git a/opcodes-rvk b/opcodes-rvk
index 744c807..956a97d 100644
--- a/opcodes-rvk
+++ b/opcodes-rvk
@@ -5,10 +5,6 @@
# These instructions appear in _both_ RV32 and RV64.
# ------------------------------------------------------------
-# Poll Entropy / Get Noise Pseudo Instructions
-@pollentropy rd 19..15=0 31..20=0xF15 14..12=0 6..0=0b1110011
-@getnoise rd 19..15=0 31..20=0x7A9 14..12=0 6..0=0b1110011
-
# Scalar SM4 - RV32, RV64
sm4ed rd rs1 rs2 bs 29..25=0b11000 14..12=0 6..0=0x33
sm4ks rd rs1 rs2 bs 29..25=0b11010 14..12=0 6..0=0x33
diff --git a/parse_opcodes b/parse_opcodes
index b8059e5..b8d9f14 100755
--- a/parse_opcodes
+++ b/parse_opcodes
@@ -91,6 +91,7 @@ csrs = [
(0x009, 'vxsat'),
(0x00A, 'vxrm'),
(0x00F, 'vcsr'),
+ (0x015, 'seed'), # Zkr
# Standard User RO
(0xC00, 'cycle'),
@@ -298,8 +299,6 @@ csrs = [
(0xF12, 'marchid'),
(0xF13, 'mimpid'),
(0xF14, 'mhartid'),
- (0xF15, 'mentropy'), # crypto ext
- (0x7A9, 'mnoise'),
]
csrs32 = [