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* target/riscv: Add basic vmstate description of CPUYifei Jiang2020-11-031-0/+4
| | | | | | | | | | Add basic CPU state description to the newly created machine.c Signed-off-by: Yifei Jiang <jiangyifei@huawei.com> Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20201026115530.304-3-jiangyifei@huawei.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: Check nanboxed inputs to fp helpersRichard Henderson2020-08-221-0/+11
| | | | | | | | | | If a 32-bit input is not properly nanboxed, then the input is replaced with the default qnan. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Message-Id: <20200724002807.441147-5-richard.henderson@linaro.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: Generate nanboxed results from fp helpersRichard Henderson2020-08-221-0/+5
| | | | | | | | | | Make sure that all results from single-precision scalar helpers are properly nan-boxed to 64-bits. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Message-Id: <20200724002807.441147-2-richard.henderson@linaro.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: integer scalar move instructionLIU Zhiwei2020-07-021-0/+6
| | | | | | | Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200701152549.1218-57-zhiwei_liu@c-sky.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: vector floating-point classify instructionsLIU Zhiwei2020-07-021-0/+5
| | | | | | | | Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20200701152549.1218-41-zhiwei_liu@c-sky.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: add vector amo operationsLIU Zhiwei2020-07-021-0/+1
| | | | | | | | | | | | | Vector AMOs operate as if aq and rl bits were zero on each element with regard to ordering relative to other instructions in the same hart. Vector AMOs provide no ordering guarantee between element operations in the same vector AMO instruction Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200701152549.1218-10-zhiwei_liu@c-sky.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: add vector stride load and store instructionsLIU Zhiwei2020-07-021-0/+5
| | | | | | | | | | | | | | | | Vector strided operations access the first memory element at the base address, and then access subsequent elements at address increments given by the byte offset contained in the x register specified by rs2. Vector unit-stride operations access elements stored contiguously in memory starting from the base effective address. It can been seen as a special case of strided operations. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20200701152549.1218-7-zhiwei_liu@c-sky.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* target/riscv: add an internals.h headerLIU Zhiwei2020-07-021-0/+24
The internals.h keeps things that are not relevant to the actual architecture, only to the implementation, separate. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200701152549.1218-6-zhiwei_liu@c-sky.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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