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Re: [PATCH v5 11/48] target/nios2: Do not zero the general registers on
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH v5 11/48] target/nios2: Do not zero the general registers on reset |
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Date: |
Thu, 10 Mar 2022 12:21:06 +0000 |
On Thu, 10 Mar 2022 at 11:27, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> The bulk of the general register set is undefined on reset.
They might be architecturally undefined, but for QEMU's
purposes we want the state of the CPU on reset to be
identical to the state it is in when QEMU is first started.
thanks
-- PMM
- [PATCH v5 03/48] target/nios2: Add NUM_GP_REGS and NUM_CP_REGS, (continued)
- [PATCH v5 03/48] target/nios2: Add NUM_GP_REGS and NUM_CP_REGS, Richard Henderson, 2022/03/10
- [PATCH v5 05/48] target/nios2: Split out helper for eret instruction, Richard Henderson, 2022/03/10
- [PATCH v5 06/48] target/nios2: Fix BRET instruction, Richard Henderson, 2022/03/10
- [PATCH v5 07/48] target/nios2: Do not create TCGv for control registers, Richard Henderson, 2022/03/10
- [PATCH v5 08/48] linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs, Richard Henderson, 2022/03/10
- [PATCH v5 09/48] target/nios2: Remove cpu_interrupts_enabled, Richard Henderson, 2022/03/10
- [PATCH v5 13/48] target/nios2: Use hw/registerfields.h for CR_STATUS fields, Richard Henderson, 2022/03/10
- [PATCH v5 11/48] target/nios2: Do not zero the general registers on reset, Richard Henderson, 2022/03/10
- Re: [PATCH v5 11/48] target/nios2: Do not zero the general registers on reset,
Peter Maydell <=
- [PATCH v5 10/48] target/nios2: Split control registers away from general registers, Richard Henderson, 2022/03/10
- [PATCH v5 12/48] target/nios2: Clean up nios2_cpu_dump_state, Richard Henderson, 2022/03/10
- [PATCH v5 15/48] target/nios2: Use hw/registerfields.h for CR_TLBADDR fields, Richard Henderson, 2022/03/10
- [PATCH v5 14/48] target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields, Richard Henderson, 2022/03/10
- [PATCH v5 17/48] target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE, Richard Henderson, 2022/03/10
- [PATCH v5 16/48] target/nios2: Use hw/registerfields.h for CR_TLBACC fields, Richard Henderson, 2022/03/10