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translate-all: Move tcg_handle_interrupt() to -common

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Move this function to common code. It has no arch specific
dependencies. Prepares support for multi-arch where the translate-all
interface needs to be virtualised. One less thing to virtualise.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <44a7c73604ed2552af47ed02b047b6a772b683e0.1441614289.git.crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Crosthwaite 2015-09-10 22:39:33 -07:00 • committed by Paolo Bonzini
parent 5abf9495ca
commit 9b68a7754a
3 changed files with 54 additions and 30 deletions
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30
translate-all.c
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@ -1491,36 +1491,6 @@ void tb_check_watchpoint(CPUState *cpu)
}
#ifndef CONFIG_USER_ONLY
/* mask must never be zero, except for A20 change call */
static void tcg_handle_interrupt(CPUState *cpu, int mask)
{
int old_mask;
old_mask = cpu->interrupt_request;
cpu->interrupt_request |= mask;
/*
* If called from iothread context, wake the target cpu in
* case its halted.
*/
if (!qemu_cpu_is_self(cpu)) {
qemu_cpu_kick(cpu);
return;
}
if (use_icount) {
cpu->icount_decr.u16.high = 0xffff;
if (!cpu->can_do_io
&& (mask & ~old_mask) != 0) {
cpu_abort(cpu, "Raised interrupt while not in I/O function");
}
} else {
cpu->tcg_exit_req = 1;
}
}
CPUInterruptHandler cpu_interrupt_handler = tcg_handle_interrupt;
/* in deterministic execution mode, instructions doing device I/Os
must be at the end of the TB */
void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)