4b534147c0
[sim] add disable option for vector
15 years ago
7198e5091f
[sim] set SR_EV for uts
15 years ago
68f504c52e
[sim] add vector traps to vector instructions
15 years ago
e9567ce7bb
[sim] add vt stuff
15 years ago
c8de0ef0fa
[xcc, sim] added rvc insn c.li; misc fixes
15 years ago
3c6275887f
[sim,pk] reorganized status register
15 years ago
d31b94409c
[xcc,pk,sim,opcodes] added first RVC instruction
15 years ago
98598ca5e2
[sim] fixed multiply-high in rv32
15 years ago
dde934bb5b
[pk,sim] fixed parse-opcodes bug
was causing spurious illegal instruction traps
15 years ago
02166b2691
[opcodes,pk,sim,xcc] fix utidx - add rd
15 years ago
a174f4bfdb
[opcodes,pk,sim,xcc] fix vector mem instruction format, add vector seg mem instructions
15 years ago
fed0e53ae7
[opcodes,pk,sim,xcc] add leftover vector instructions (vf, etc.)
15 years ago
9e58791c6b
[opcodes,pk,sim,xcc] add vector mem instructions
15 years ago
c17b57db55
[opcodes,pk,sim,xcc] add stop,utidx instructions
15 years ago
aab3bc1244
[opcodes,pk,sim,xcc] add fence instructions for vector unit
15 years ago
eb6cb4b2ee
[xcc] fixed bug in amo{maxu,minu}.w
15 years ago
99d358e589
[opcodes] minor opcode changes
15 years ago
1598e2964e
[sim,pk,xcc,opcodes] removed fminmag/fmaxmag
15 years ago
3fb2ead615
[xcc,pk,opcodes,sim] updated encoding/insn names
15 years ago
d17ab96ab5
[sim] LWU now illegal in RV32
15 years ago
68591c3c45
[xcc,sim] branches are pc-relative (not pc+4) again
15 years ago
2c3ff5536d
[xcc,opcodes,pk,sim] krste's re-renaming spree
15 years ago
f37be621fe
[xcc,sim,opcodes] removed mtflh/mffl/mffh
in rv32 these will be replaced with loads and stores.
15 years ago
75d9ab427d
[sim,pk] added interrupt-pending field to cause reg
15 years ago
c983d273b2
[sim,xcc,opcodes] added back mtflh.d
15 years ago
28a6b2a350
[opcodes,pk,sim,xcc] synci now bombs whole icache
15 years ago
94dc73b7f1
[xcc,opcodes,pk,sim] cleanup to FP ISA
- Added 5th rounding mode
- Removed MFCR/MTCR in favor of MFFSR/MTFSR (it was the only CR...)
- merged MTF.D with MTFLH.D; operation depends on RV32/RV64 mode
- made MFFL.D and MFFH.D illegal in RV64
15 years ago
ada2fe414b
[sim] added nearest/ties to max magnitude rounding mode
15 years ago
dc1aa62411
[sim] changed divide-by-0 semantics
now it always gives -1, no matter the signedness.
15 years ago
76ee8711f8
[sim,opcodes] add mulhsu instruction
15 years ago
5bae2bf372
[opcodes,pk,sim,xcc] great renumbering of 2011, part deux
15 years ago
f0063c2e8b
[sim, pk, xcc, opcodes] great instruction renaming of 2011
15 years ago
21ce327f5d
[opcodes, sim, xcc] made *w insns illegal in RV32
now generic variants behave differently in RV32 and RV64.
15 years ago
5ddec097b8
[opcodes, pk, sim, xcc] removed nor, normalized macros to addi
15 years ago
db6af47aa9
[sim] fix jalr bug
15 years ago
1313050769
[opcodes,pk,sim,xcc] flip fields to favor little endian
15 years ago
0ea058a5a8
[sim] fixed some compiler warnings
15 years ago
53e36319bc
[sim] cleaned up handling of link register
15 years ago
3ebbeba6d5
[sim] handle integer division overflow
Behavior is now same as GCC's optimizer. Previously, we just crashed :)
16 years ago
259d20a35d
[opcodes, pk, sim, xcc] Tweaked FP encoding
16 years ago
6d443095f9
[opcodes] generate latex and verilog correctly
16 years ago
e59cf7ebfe
[pk] various PK cleanups/speedups
16 years ago
7471eee0ba
[xcc, sim, pk, opcodes] new instruction encoding!
16 years ago
3f144b12ed
[xcc, sim, pk] link register is now x1
16 years ago
68f81d8f48
[opcodes, pk, sim, xcc] made jumps shorter and PC-relative
16 years ago
63844a7558
[sim] removed unnecessary trap in mfcr instruction
16 years ago
5f0b1c3e7b
[sim,xcc] fixed minor bugs related to tp/cr29
16 years ago
78bc7d9885
[pk,sim,xcc] get rid of at register, introduce tp register
16 years ago
2c9a832352
[sim,xcc,pk,opcodes] static rounding modes for FP insns
Now, you can either use the RM in the FSR or specify it in the insn.
(Except for FP->int; no dynamic for that.)
16 years ago
8456c1e923
[pk, sim] added FPU emulation support to proxy kernel
16 years ago
Yunsup Lee
Andrew Waterman
Andrew Waterman