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ioport: add destructor method to IORange

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Previously all callers had a containing object with a destructor that
could be used to trigger cleanup of the IORange objects (typically
just freeing the containing object), but a forthcoming memory API
change doesn't fit this pattern.  Rather than setting up a new global
table, extend the ioport system to support destructors.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2012-03-05 17:36:19 +02:00
parent 2aeabc0817
commit c5b703ac20
3 changed files with 17 additions and 0 deletions
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1
ioport.h
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@ -36,6 +36,7 @@ typedef uint32_t pio_addr_t;
/* These should really be in isa.h, but are here to make pc.h happy. */
typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
typedef void (IOPortDestructor)(void *opaque);
void ioport_register(IORange *iorange);
int register_ioport_read(pio_addr_t start, int length, int size,