25 Commits

Author	SHA1	Message	Date
Bastian Koppelmann	28daad082b	target/riscv: Remove manual decoding of RV32/64M insn ... Backports commit 1288701682d81b93f62e01cd87001dc90b30b881 from qemu	2019-03-19 05:34:32 -04:00
Bastian Koppelmann	b9eda7c464	target/riscv: Remove shift and slt insn manual decoding ... Backports commit 34446e845829f55eaa9a07a915950af0b2710b47 from qemu	2019-03-19 05:23:47 -04:00
Bastian Koppelmann	177726afb8	target/riscv: make ADD/SUB/OR/XOR/AND insn use arg lists ... manual decoding in gen_arith() is not necessary with decodetree. For now the function is called trans_arith as the original gen_arith still exists. The former will be renamed to gen_arith as soon as the old gen_arith can be removed. Backports commit f2ab1728675772cd475a33f4df3d2f68a22c188f from qemu	2019-03-19 05:17:54 -04:00
Bastian Koppelmann	cb7c94fbc4	target/riscv: Move gen_arith_imm() decoding into trans_* functions ... gen_arith_imm() does a lot of decoding manually, which was hard to read in case of the shift instructions and is not necessary anymore with decodetree. Backports commit 7a50d3e2ae7f13b24fe55990ea0b8ddcbbb43130 from qemu	2019-03-19 05:14:21 -04:00
Bastian Koppelmann	6190837e2f	target/riscv: Remove manual decoding from gen_store() ... With decodetree we don't need to convert RISC-V opcodes into to MemOps as the old gen_store() did. Backports commit bce8a342a1f0919479d18ec812b100136daa746b from qemu	2019-03-19 05:05:14 -04:00
Bastian Koppelmann	f91f286ed2	target/riscv: Remove manual decoding from gen_load() ... With decodetree we don't need to convert RISC-V opcodes into to MemOps as the old gen_load() did. Backports commit 98898b20e9cca462843c22ad952c216ffd57d654 from qemu	2019-03-19 05:02:25 -04:00
Bastian Koppelmann	6f89816f5d	target/riscv: Remove manual decoding from gen_branch() ... We now utilizes argument-sets of decodetree such that no manual decoding is necessary. Backports commit 090cc2c898a04e42350eabf1bcf7d245471603f9 from qemu	2019-03-19 04:59:08 -04:00
Bastian Koppelmann	3fe4cf353c	target/riscv: Remove gen_jalr() ... trans_jalr() is the only caller, so move the code into trans_jalr(). Backports commit 9e92c57d834cd50ab088d75510c3c720878eef13 from qemu	2019-03-19 04:55:52 -04:00
Bastian Koppelmann	580457a1d2	target/riscv: Convert quadrant 2 of RVXC insns to decodetree ... Backports commit 97b0be81f6f20bfd53725cb2500b47c6786be532 from qemu	2019-03-19 04:53:07 -04:00
Bastian Koppelmann	b4854e3340	target/riscv: Convert quadrant 1 of RVXC insns to decodetree ... Backports commit 07b001c6fc500fa0e87fd8210f270d7dc8aff9ea from qemu	2019-03-19 04:50:08 -04:00
Lioncash	8d294a7897	target/riscv: Convert quadrant 0 of RVXC insns to decodetree	2019-03-19 04:45:53 -04:00
Bastian Koppelmann	67164f2b29	target/riscv: Convert RV priv insns to decodetree ... Backports commit 4ba79c47a205b3af4b62b9b1b6090dee678a1069 from qemu	2019-03-19 04:40:24 -04:00
Bastian Koppelmann	7475207aba	target/riscv: Convert RV64D insns to decodetree ... Backports commit 31fe4d35f2608daecb2319c81e0bb4af81b398ae from qemu	2019-03-18 16:57:16 -04:00
Bastian Koppelmann	71f2ed2959	target/riscv: Convert RV32D insns to decodetree ... Backports commit 97f8b49372d73aab4d172df4ea297d7f3ce4e02e from qemu	2019-03-18 16:51:20 -04:00
Bastian Koppelmann	9edaf2069e	target/riscv: Convert RV32F insns to decodetree ... Backports commit 6f0e74ff4b7f83901e99e59108eaa43513a0ce36 from qemu	2019-03-18 16:40:04 -04:00
Bastian Koppelmann	3f9177f6e7	target/riscv: Convert RV64A insns to decodetree ... Backports commit 40b9faecfe8000520958f50a77ea16f4b3dd6405 from qemu	2019-03-18 16:27:53 -04:00
Bastian Koppelmann	81013f9e2b	target/riscv: Convert RV32A insns to decodetree ... Backports commit 3b77c289aef21b33517f2fd7639cce13bed50cc1 from qemu	2019-03-18 16:25:50 -04:00
Bastian Koppelmann	3a5da0b939	target/riscv: Convert RVXM insns to decodetree ... Backports commit d2e2c1e406e0ab886eafeb012fd2ed0d21f3a6a1 from qemu	2019-03-18 16:20:29 -04:00
Bastian Koppelmann	4ea449a809	target/riscv: Convert RVXI csr insns to decodetree ... Backports commit 771fbe156a2a2be964a4fbe6251339a5570a26c4 from qemu	2019-03-18 16:17:59 -04:00
Bastian Koppelmann	de580ee378	target/riscv: Convert RVXI fence insns to decodetree ... Backports commit 0c865e856a7e97d37c4dea4cf2ff875faa6e72ed from qemu	2019-03-18 16:09:21 -04:00
Bastian Koppelmann	11e2b9c410	target/riscv: Convert RVXI arithmetic insns to decodetree ... we cannot remove the call to gen_arith() in decode_RV32_64G() since it is used to translate multiply instructions. Backports commit b73a987b09ad5081123dc6b1e8e6c8305a1c8673 from qemu	2019-03-18 16:04:49 -04:00
Bastian Koppelmann	1024ceb4df	target/riscv: Convert RV64I load/store insns to decodetree ... this splits the 64-bit only instructions into its own decode file such that we generate the decoder for these instructions only for the RISC-V 64 bit target. Backports commit 7e45a682edc32ba90d6955215f062210531b835b from qemu	2019-03-18 16:02:16 -04:00
Bastian Koppelmann	55dc0038e8	target/riscv: Convert RVXI branch insns to decodetree ... Backports commit 3cca75a6fe8b3f85e19559ffa64cb0be370d2814 from qemu	2019-03-18 15:58:16 -04:00
Bastian Koppelmann	5e5b3e9ea9	target/riscv: Activate decodetree and implemnt LUI & AUIPC ... for now only LUI & AUIPC are decoded and translated. If decodetree fails, we fall back to the old decoder. Backports commit 2a53cff418335ccb4719e9a94fde55f6ebcc895d from qemu	2019-03-18 15:54:17 -04:00
Lioncash	b6f752970b	target/riscv: Initial introduction of the RISC-V target ... This ports over the RISC-V architecture from Qemu. This is currently a very barebones transition. No code hooking or any fancy stuff. Currently, you can feed it instructions and query the CPU state itself. This also allows choosing whether or not RISC-V 32-bit or RISC-V 64-bit is desirable through Unicorn's interface as well. Extremely basic examples of executing a single instruction have been added to the samples directory to help demonstrate how to use the basic functionality.	2019-03-08 21:46:10 -05:00