From: Guo Ren
Highest bits of PTE has been used for svpbmt, ref: [1], [2], so we
need to ignore them. They cannot be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit Virtual
From: Guo Ren
Highest 10 bits of PTE are reserved in riscv-privileged, ref: [1], so we
need to ignore them. They cannot be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit V
From: Guo Ren
Highest 10 bits of PTE are reserved in riscv-privileged, ref: [1], so we
need to ignore them. They cannot be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit V
From: Guo Ren
Highest 10 bits of PTE are reserved in riscv-privileged, ref: [1], so we
need to ignore them. They cannot be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit V
From: Guo Ren
Highest 10 bits of PTE are reserved in riscv-privileged, ref: [1], so we
need to ignore them. They can not be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit
From: Guo Ren
Highest 10 bits of PTE are reserved in riscv-privileged, ref: [1], so we
need to ignore them. They can not be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit
From: Guo Ren
Highest 10 bits of PTE are reserved in riscv-privileged, ref: [1], so we
need to ignore them. They can not be a part of ppn.
1: The RISC-V Instruction Set Manual, Volume II: Privileged Architecture
4.4 Sv39: Page-Based 39-bit Virtual-Memory System
4.5 Sv48: Page-Based 48-bit