Re: [PATCH 1/1] target/riscv: pmp: Ignore writes when RW=01 and MML=0

2024-01-07 Thread Alistair Francis
On Thu, Dec 21, 2023 at 1:32 AM Ivan Klokov wrote: > > This patch changes behavior on writing RW=01 to pmpcfg with MML=0. > RWX filed is form of collective WARL with the combination of > pmpcfg.RW=01 remains reserved for future standard use. > > According to definition of WARL writing the CSR has

Re: [PATCH 1/1] target/riscv: pmp: Ignore writes when RW=01 and MML=0

2024-01-07 Thread Alistair Francis
On Thu, Dec 21, 2023 at 1:32 AM Ivan Klokov wrote: > > This patch changes behavior on writing RW=01 to pmpcfg with MML=0. > RWX filed is form of collective WARL with the combination of > pmpcfg.RW=01 remains reserved for future standard use. > > According to definition of WARL writing the CSR has

Re: [PATCH 1/1] target/riscv: pmp: Ignore writes when RW=01 and MML=0

2023-12-21 Thread Daniel Henrique Barboza
On 12/20/23 12:32, Ivan Klokov wrote: This patch changes behavior on writing RW=01 to pmpcfg with MML=0. RWX filed is form of collective WARL with the combination of pmpcfg.RW=01 remains reserved for future standard use. According to definition of WARL writing the CSR has no other side effect

[PATCH 1/1] target/riscv: pmp: Ignore writes when RW=01 and MML=0

2023-12-20 Thread Ivan Klokov
This patch changes behavior on writing RW=01 to pmpcfg with MML=0. RWX filed is form of collective WARL with the combination of pmpcfg.RW=01 remains reserved for future standard use. According to definition of WARL writing the CSR has no other side effect. But current implementation change archite