Commit Graph

26 Commits

Author SHA1 Message Date
Richard Henderson c2b618a8c1 target/loongarch: Disassemble jirl properly
While jirl shares the same instruction format as bne etc,
it is not assembled the same.  In particular, rd is printed
first not second and the immediate is not pc-relative.

Decode into the arg_rr_i structure, which prints correctly.
This changes the "offs" member to "imm", to update translate.

Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-23 15:36:36 -10:00
Rui Wang e913bace61
target/loongarch: Fix return value of CHECK_FPE
Regarding the patchset v3 has been merged into main line, and not
approved, this patch updates to patchset v4.

Fixes: 2419978c ("target/loongarch: Fix emulation of float-point disable exception")
Link: https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg00808.html
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Message-Id: <20221107024526.702297-3-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2022-11-07 10:54:11 +08:00
Rui Wang c8885b8839
target/loongarch: Separate the hardware flags into MMU index and PLV
Regarding the patchset v3 has been merged into main line, and not
approved, this patch updates to patchset v4.

Fixes: b4bda200 ("target/loongarch: Adjust the layout of hardware flags bit fields")
Link: https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg00808.html
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Message-Id: <20221107024526.702297-2-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2022-11-07 10:54:08 +08:00
Rui Wang 2419978cb0
target/loongarch: Fix emulation of float-point disable exception
We need to emulate it to generate a floating point disable exception
when CSR.EUEN.FPE is zero.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Message-Id: <20221104040517.222059-3-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2022-11-04 17:10:53 +08:00
Rui Wang b4bda2006f
target/loongarch: Adjust the layout of hardware flags bit fields
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Message-Id: <20221104040517.222059-2-wangrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2022-11-04 17:10:52 +08:00
Song Gao 153620126a
target/loongarch: Fix fnm{sub/add}_{s/d} set wrong flags
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220930024510.800005-3-gaosong@loongson.cn>
2022-10-17 10:28:35 +08:00
Song Gao 68e35a2b75
target/loongarch: bstrins.w src register need EXT_NONE
use gen_bstrins/gen_bstrpic to replace gen_rr_ms_ls.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220930024510.800005-2-gaosong@loongson.cn>
2022-10-17 10:28:35 +08:00
Richard Henderson 10dcb08b03 target/loongarch: Remove cpu_fcsr0
All of the fpu operations are defined with TCG_CALL_NO_WG, but they
all modify FCSR0.  The most efficient way to fix this is to remove
cpu_fcsr0, and instead use explicit load and store operations for the
two instructions that manipulate that value.

Acked-by: Qi Hu <huqi@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reported-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-08 19:42:53 -07:00
Song Gao 0093b9a5ee target/loongarch: Adjust functions and structure to support user-mode
Some functions and member of the structure are different with softmmu-mode
So we need adjust them to support user-mode.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220624031049.1716097-12-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-07-04 11:08:58 +05:30
Xiaojuan Yang f9bf50745f target/loongarch: Add timer related instructions support.
This includes:
-RDTIME{L/H}.W
-RDTIME.D

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-30-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Xiaojuan Yang d2cba6f7ce target/loongarch: Add other core instructions support
This includes:
-CACOP
-LDDIR
-LDPTE
-ERTN
-DBCL
-IDLE

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-29-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Xiaojuan Yang fcbbeb8ecd target/loongarch: Add TLB instruction support
This includes:
- TLBSRCH
- TLBRD
- TLBWR
- TLBFILL
- TLBCLR
- TLBFLUSH
- INVTLB

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-28-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Xiaojuan Yang f84a2aacf5 target/loongarch: Add LoongArch IOCSR instruction
This includes:
- IOCSR{RD/WR}.{B/H/W/D}

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-27-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Xiaojuan Yang 5b1dedfe84 target/loongarch: Add LoongArch CSR instruction
This includes:
- CSRRD
- CSRWR
- CSRXCHG

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-26-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao ee86bd58b8 target/loongarch: Add branch instruction translation
This includes:
- BEQ, BNE, BLT[U], BGE[U]
- BEQZ, BNEZ
- B
- BL
- JIRL
- BCEQZ, BCNEZ

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-16-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao e616bdfd01 target/loongarch: Add floating point load/store instruction translation
This includes:
- FLD.{S/D}, FST.{S/D}
- FLDX.{S/D}, FSTX.{S/D}
- FLD{GT/LE}.{S/D}, FST{GT/LE}.{S/D}

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-15-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao b7dabd5624 target/loongarch: Add floating point move instruction translation
This includes:
- FMOV.{S/D}
- FSEL
- MOVGR2FR.{W/D}, MOVGR2FRH.W
- MOVFR2GR.{S/D}, MOVFRH2GR.S
- MOVGR2FCSR, MOVFCSR2GR
- MOVFR2CF, MOVCF2FR
- MOVGR2CF, MOVCF2GR

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-14-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao 7c1f88703d target/loongarch: Add floating point conversion instruction translation
This includes:
- FCVT.S.D, FCVT.D.S
- FFINT.{S/D}.{W/L}, FTINT.{W/L}.{S/D}
- FTINT{RM/RP/RZ/RNE}.{W/L}.{S/D}
- FRINT.{S/D}

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-13-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao 9b7410763a target/loongarch: Add floating point comparison instruction translation
This includes:
- FCMP.cond.{S/D}

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-12-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao d578ca6cbb target/loongarch: Add floating point arithmetic instruction translation
This includes:
- F{ADD/SUB/MUL/DIV}.{S/D}
- F{MADD/MSUB/NMADD/NMSUB}.{S/D}
- F{MAX/MIN}.{S/D}
- F{MAXA/MINA}.{S/D}
- F{ABS/NEG}.{S/D}
- F{SQRT/RECIP/RSQRT}.{S/D}
- F{SCALEB/LOGB/COPYSIGN}.{S/D}
- FCLASS.{S/D}

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-11-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao 8708a04a61 target/loongarch: Add fixed point extra instruction translation
This includes:
- CRC[C].W.{B/H/W/D}.W
- SYSCALL
- BREAK
- ASRT{LE/GT}.D
- RDTIME{L/H}.W, RDTIME.D
- CPUCFG

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-10-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao 94b02d57b0 target/loongarch: Add fixed point atomic instruction translation
This includes:
- LL.{W/D}, SC.{W/D}
- AM{SWAP/ADD/AND/OR/XOR/MAX/MIN}[_DB].{W/D}
- AM{MAX/MIN}[_DB].{WU/DU}

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-9-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao bb79174d4e target/loongarch: Add fixed point load/store instruction translation
This includes:
- LD.{B[U]/H[U]/W[U]/D}, ST.{B/H/W/D}
- LDX.{B[U]/H[U]/W[U]/D}, STX.{B/H/W/D}
- LDPTR.{W/D}, STPTR.{W/D}
- PRELD
- LD{GT/LE}.{B/H/W/D}, ST{GT/LE}.{B/H/W/D}
- DBAR, IBAR

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-8-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao ad08cb3f97 target/loongarch: Add fixed point bit instruction translation
This includes:
- EXT.W.{B/H}
- CL{O/Z}.{W/D}, CT{O/Z}.{W/D}
- BYTEPICK.{W/D}
- REVB.{2H/4H/2W/D}
- REVH.{2W/D}
- BITREV.{4B/8B}, BITREV.{W/D}
- BSTRINS.{W/D}, BSTRPICK.{W/D}
- MASKEQZ, MASKNEZ

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-7-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao 63cfcd47d7 target/loongarch: Add fixed point shift instruction translation
This includes:
- SLL.W, SRL.W, SRA.W, ROTR.W
- SLLI.W, SRLI.W, SRAI.W, ROTRI.W
- SLL.D, SRL.D, SRA.D, ROTR.D
- SLLI.D, SRLI.D, SRAI.D, ROTRI.D

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-6-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Song Gao 143d6785ef target/loongarch: Add fixed point arithmetic instruction translation
This includes:
- ADD.{W/D}, SUB.{W/D}
- ADDI.{W/D}, ADDU16ID
- ALSL.{W[U]/D}
- LU12I.W, LU32I.D LU52I.D
- SLT[U], SLT[U]I
- PCADDI, PCADDU12I, PCADDU18I, PCALAU12I
- AND, OR, NOR, XOR, ANDN, ORN
- MUL.{W/D}, MULH.{W[U]/D[U]}
- MULW.D.W[U]
- DIV.{W[U]/D[U]}, MOD.{W[U]/D[U]}
- ANDI, ORI, XORI

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-5-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00