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serial: Add MemoryRegion parameter to serial_mm_init

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Remove the get_system_memory() call from serial_mm_init, pushing
it back into the callers.  In many cases we already have the
system memory region available.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Richard Henderson 2011-08-11 16:07:16 -07:00 • committed by Avi Kivity
parent 2ff0c7c3c2
commit 39186d8ab8
14 changed files with 63 additions and 43 deletions
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10
hw/serial.c
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@ -28,7 +28,6 @@
#include "pc.h"
#include "qemu-timer.h"
#include "sysemu.h"
#include "exec-memory.h"
//#define DEBUG_SERIAL
@ -855,9 +854,10 @@ static const MemoryRegionOps serial_mm_ops[3] = {
},
};
SerialState *serial_mm_init (target_phys_addr_t base, int it_shift,
qemu_irq irq, int baudbase,
CharDriverState *chr, enum device_endian end)
SerialState *serial_mm_init(MemoryRegion *address_space,
target_phys_addr_t base, int it_shift,
qemu_irq irq, int baudbase,
CharDriverState *chr, enum device_endian end)
{
SerialState *s;
@ -873,7 +873,7 @@ SerialState *serial_mm_init (target_phys_addr_t base, int it_shift,
memory_region_init_io(&s->io, &serial_mm_ops[end], s,
"serial", 8 << it_shift);
memory_region_add_subregion(get_system_memory(), base, &s->io);
memory_region_add_subregion(address_space, base, &s->io);
serial_update_msl(s);
return s;