Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 2023/6/12 11:10, Weiwei Li wrote: On 2023/6/12 10:45, LIU Zhiwei wrote: On 2023/5/29 20:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Does MPP==PRV_M always indicate the MPV==0? No, I think . The spec doesn't restrict this.

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 2023/6/12 10:45, LIU Zhiwei wrote: On 2023/5/29 20:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Does MPP==PRV_M always indicate the MPV==0? No, I think . The spec doesn't restrict this. When MPP=PRV_M, MPV wll be 0 in norma

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 2023/5/29 20:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Does MPP==PRV_M always indicate the MPV==0? Zhiwei Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang --- target/riscv/cpu_helper.c | 3 ++- target/riscv/op_h

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On Mon, May 29, 2023 at 10:19 PM Weiwei Li wrote: > > Upon MRET or explicit memory access with MPRV=1, MPV should be ignored > when MPP=PRV_M. > > Signed-off-by: Weiwei Li > Signed-off-by: Junqiang Wang Reviewed-by: Alistair Francis Alistair > --- > target/riscv/cpu_helper.c | 3 ++- > targ

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 5/29/23 09:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang --- Reviewed-by: Daniel Henrique Barboza target/riscv/cpu_helper.c | 3 ++- target/riscv/op_helper.c | 3 +

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 5/30/23 21:27, Weiwei Li wrote: On 2023/5/31 04:23, Daniel Henrique Barboza wrote: On 5/29/23 09:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang ---   target/riscv/cpu_h

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 2023/5/31 04:23, Daniel Henrique Barboza wrote: On 5/29/23 09:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang ---   target/riscv/cpu_helper.c | 3 ++-   target/riscv/op_help

Re: [PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

On 5/29/23 09:17, Weiwei Li wrote: Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang --- target/riscv/cpu_helper.c | 3 ++- target/riscv/op_helper.c | 3 ++- 2 files changed, 4 insertions(+), 2 d

[PATCH 1/4] target/riscv: Make MPV only work when MPP != PRV_M

Upon MRET or explicit memory access with MPRV=1, MPV should be ignored when MPP=PRV_M. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang --- target/riscv/cpu_helper.c | 3 ++- target/riscv/op_helper.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu_