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[Qemu-devel] What "opaque" stand for?
From: |
Kaiyuan |
Subject: |
[Qemu-devel] What "opaque" stand for? |
Date: |
Fri, 7 Nov 2014 22:42:18 +0800 (GMT+08:00) |
Hello, all
I am reviewing source of Qemu. I can see parameter called "opaque" from a lot
of function like this:
//@hw/timer/xilinx_timer.c
static uint64_t timer_read(void *opaque, hwaddr addr, unsigned int size)
{
...
}
, and its meaning confuse me. What does "opaque" stand for?
Thanks,
Kaiyuan Liang