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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;
> }
>
>