qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH for-4.0 1/3] disas.c: Use address_space_read() t


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-devel] [PATCH for-4.0 1/3] disas.c: Use address_space_read() to read memory
Date: Thu, 22 Nov 2018 13:21:55 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0

On 22/11/18 12:29, Peter Maydell wrote:
> Currently disas.c reads physical memory using
> cpu_physical_memory_read(). This effectively hard-codes
> assuming that all CPUs have the same view of physical
> memory. Switch to address_space_read() instead, which
> lets us use the AddressSpace for the CPU we're
> disassembling for.
> 
> Signed-off-by: Peter Maydell <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

> ---
>  disas.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/disas.c b/disas.c
> index 5325b7e6be6..f9c517b3588 100644
> --- a/disas.c
> +++ b/disas.c
> @@ -588,7 +588,10 @@ static int
>  physical_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
>                       struct disassemble_info *info)
>  {
> -    cpu_physical_memory_read(memaddr, myaddr, length);
> +    CPUDebug *s = container_of(info, CPUDebug, info);
> +
> +    address_space_read(s->cpu->as, memaddr, MEMTXATTRS_UNSPECIFIED,
> +                       myaddr, length);
>      return 0;
>  }
>  
> 



reply via email to

[Prev in Thread] Current Thread [Next in Thread]