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Re: [Qemu-devel] restore pc in cpu_exec_nocache()
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] restore pc in cpu_exec_nocache() |
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Date: |
Sun, 1 Dec 2013 16:52:37 +0000 |
On 1 December 2013 08:42, wangxd <address@hidden> wrote:
> Hello all ：
> I am wondering to know why we must call cpu_pc_from_tb() in the function
> cpu_exec_nocache() . I found the function cpu_exec_nocache() with comments
> :“Restore PC. This may happen if async event occurs before the TB starts
> executing." But I don't know what would happen if async event occurs.
Current QEMU source code doesn't have such a function call. You might
like to look at the current source code first, which may make it clearer
what it is doing.
thanks
-- PMM