Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit

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Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit

From:	Richard Henderson
Subject:	Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit
Date:	Thu, 17 Dec 2020 07:58:11 -0600
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 12/17/20 12:44 AM, Bin Meng wrote:
> What happens if something like ARM big.LITTLE needs to be supported on RISC-V?

I'd say it's the board's job to pass the boot heart.
(Though even big.LITTLE doesn't mix 64 and 32-bit cores.)


r~

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[PATCH v4 12/16] target/riscv: cpu: Remove compile time XLEN checks, (continued)
- [PATCH v4 12/16] target/riscv: cpu: Remove compile time XLEN checks, Alistair Francis, 2020/12/16
  - Re: [PATCH v4 12/16] target/riscv: cpu: Remove compile time XLEN checks, Bin Meng, 2020/12/17
- [PATCH v4 13/16] target/riscv: cpu_helper: Remove compile time XLEN checks, Alistair Francis, 2020/12/16
  - Re: [PATCH v4 13/16] target/riscv: cpu_helper: Remove compile time XLEN checks, Bin Meng, 2020/12/17
- [PATCH v4 14/16] target/riscv: csr: Remove compile time XLEN checks, Alistair Francis, 2020/12/16
  - Re: [PATCH v4 14/16] target/riscv: csr: Remove compile time XLEN checks, Bin Meng, 2020/12/17
- [PATCH v4 15/16] target/riscv: cpu: Set XLEN independently from target, Alistair Francis, 2020/12/16
- [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit, Alistair Francis, 2020/12/16
  - Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit, Richard Henderson, 2020/12/16
  - Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit, Bin Meng, 2020/12/17
    - Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit, Richard Henderson <=
    - Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit, Palmer Dabbelt, 2020/12/17
    - Re: [PATCH v4 16/16] hw/riscv: Use the CPU to determine if 32-bit, Alistair Francis, 2020/12/17

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