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Re: [RFC v9 18/32] cpu: Move synchronize_from_tb() to tcg_ops
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [RFC v9 18/32] cpu: Move synchronize_from_tb() to tcg_ops |
Date: |
Wed, 9 Dec 2020 10:27:56 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 |
On 12/8/20 8:48 PM, Claudio Fontana wrote:
> From: Eduardo Habkost <ehabkost@redhat.com>
>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> [claudio: wrapped in CONFIG_TCG]
> Signed-off-by: Claudio Fontana <cfontana@suse.de>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
...
> diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
> index 4475ef0996..109291ac52 100644
> --- a/include/hw/core/tcg-cpu-ops.h
> +++ b/include/hw/core/tcg-cpu-ops.h
> @@ -10,9 +10,6 @@
> #ifndef TCG_CPU_OPS_H
> #define TCG_CPU_OPS_H
Missing for TranslationBlock:
#include "hw/core/cpu.h"
>
> -/**
> - * struct TcgCpuOperations: TCG operations specific to a CPU class
> - */
Why remove the comment?
> typedef struct TcgCpuOperations {
> /**
> * @initialize: Initalize TCG state
> @@ -20,6 +17,17 @@ typedef struct TcgCpuOperations {
> * Called when the first CPU is realized.
> */
> void (*initialize)(void);
> + /**
> + * @synchronize_from_tb: Synchronize state from a TCG #TranslationBlock
> + *
> + * This is called when we abandon execution of a TB before
> + * starting it, and must set all parts of the CPU state which
> + * the previous TB in the chain may not have updated. This
> + * will need to do more. If this hook is not implemented then
> + * the default is to call
> + * @set_pc(tb->pc).
> + */
> + void (*synchronize_from_tb)(CPUState *cpu, struct TranslationBlock *tb);
> } TcgCpuOperations;
...
- [RFC v9 16/32] target/riscv: remove CONFIG_TCG, as it is always TCG, (continued)
- [RFC v9 16/32] target/riscv: remove CONFIG_TCG, as it is always TCG, Claudio Fontana, 2020/12/08
- [RFC v9 20/32] cpu: Move tlb_fill to tcg_ops, Claudio Fontana, 2020/12/08
- [RFC v9 17/32] accel/tcg: split TCG-only code from cpu_exec_realizefn, Claudio Fontana, 2020/12/08
- [RFC v9 18/32] cpu: Move synchronize_from_tb() to tcg_ops, Claudio Fontana, 2020/12/08
- [RFC v9 19/32] cpu: Move cpu_exec_* to tcg_ops, Claudio Fontana, 2020/12/08
- [RFC v9 24/32] cpu: move cc->transaction_failed to tcg_ops, Claudio Fontana, 2020/12/08