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cpu: Make first_cpu and next_cpu CPUState

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Move next_cpu from CPU_COMMON to CPUState.
Move first_cpu variable to qom/cpu.h.

gdbstub needs to use CPUState::env_ptr for now.
cpu_copy() no longer needs to save and restore cpu_next.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Rebased, simplified cpu_copy()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-05-29 22:29:20 +02:00
parent 9b056fcc5b
commit 182735efaf
39 changed files with 266 additions and 234 deletions
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25
target-mips/op_helper.c
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@ -1696,39 +1696,38 @@ target_ulong helper_emt(void)
target_ulong helper_dvpe(CPUMIPSState *env)
{
CPUMIPSState *other_cpu_env = first_cpu;
CPUState *other_cs = first_cpu;
target_ulong prev = env->mvp->CP0_MVPControl;
do {
MIPSCPU *other_cpu = MIPS_CPU(other_cs);
/* Turn off all VPEs except the one executing the dvpe. */
if (other_cpu_env != env) {
MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
if (&other_cpu->env != env) {
other_cpu->env.mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
mips_vpe_sleep(other_cpu);
}
other_cpu_env = other_cpu_env->next_cpu;
} while (other_cpu_env);
other_cs = other_cs->next_cpu;
} while (other_cs);
return prev;
}
target_ulong helper_evpe(CPUMIPSState *env)
{
CPUMIPSState *other_cpu_env = first_cpu;
CPUState *other_cs = first_cpu;
target_ulong prev = env->mvp->CP0_MVPControl;
do {
MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
MIPSCPU *other_cpu = MIPS_CPU(other_cs);
if (other_cpu_env != env
if (&other_cpu->env != env
/* If the VPE is WFI, don't disturb its sleep. */
&& !mips_vpe_is_wfi(other_cpu)) {
/* Enable the VPE. */
other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
other_cpu->env.mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
mips_vpe_wake(other_cpu); /* And wake it up. */
}
other_cpu_env = other_cpu_env->next_cpu;
} while (other_cpu_env);
other_cs = other_cs->next_cpu;
} while (other_cs);
return prev;
}
#endif /* !CONFIG_USER_ONLY */