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i8257: remove cpu_request_exit irq

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This is unused.  cpu_exit now is almost exclusively an internal function
to the CPU execution loop.  In a few patches, we'll change the remaining
occurrences to qemu_cpu_kick, making it truly internal.

Reviewed-by: Richard henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-02-16 14:13:11 +01:00
parent 19d2b5e6ff
commit 5039d6e235
11 changed files with 13 additions and 77 deletions
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13
hw/dma/i8257.c
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@ -59,7 +59,6 @@ static struct dma_cont {
uint8_t flip_flop;
int dshift;
struct dma_regs regs[4];
qemu_irq *cpu_request_exit;
MemoryRegion channel_io;
MemoryRegion cont_io;
} dma_controllers[2];
@ -521,13 +520,11 @@ static const MemoryRegionOps cont_io_ops = {
/* dshift = 0: 8 bit DMA, 1 = 16 bit DMA */
static void dma_init2(struct dma_cont *d, int base, int dshift,
int page_base, int pageh_base,
qemu_irq *cpu_request_exit)
int page_base, int pageh_base)
{
int i;
d->dshift = dshift;
d->cpu_request_exit = cpu_request_exit;
memory_region_init_io(&d->channel_io, NULL, &channel_io_ops, d,
"dma-chan", 8 << d->dshift);
@ -591,12 +588,10 @@ static const VMStateDescription vmstate_dma = {
}
};
void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit)
void DMA_init(int high_page_enable)
{
dma_init2(&dma_controllers[0], 0x00, 0, 0x80,
high_page_enable ? 0x480 : -1, cpu_request_exit);
dma_init2(&dma_controllers[1], 0xc0, 1, 0x88,
high_page_enable ? 0x488 : -1, cpu_request_exit);
dma_init2(&dma_controllers[0], 0x00, 0, 0x80, high_page_enable ? 0x480 : -1);
dma_init2(&dma_controllers[1], 0xc0, 1, 0x88, high_page_enable ? 0x488 : -1);
vmstate_register (NULL, 0, &vmstate_dma, &dma_controllers[0]);
vmstate_register (NULL, 1, &vmstate_dma, &dma_controllers[1]);