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target/ppc: Rename "in_pm_state" to "resume_as_sreset" 

To better reflect what this does, as it's specific to some of the
P7/P8/P9 PM states, not generic.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215161648.9600-6-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2019-02-15 17:16:43 +01:00 committed by David Gibson
parent dead760b00
commit 1e7fd61d97
3 changed files with 8 additions and 8 deletions
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2
hw/ppc/ppc.c
View File

@ -776,7 +776,7 @@ static inline void cpu_ppc_hdecr_excp(PowerPCCPU *cpu)
* interrupts in a PM state. Not only they don't cause a
* wakeup but they also get effectively discarded.
*/
if (!env->in_pm_state) {
if (!env->resume_as_sreset) {
ppc_set_irq(cpu, PPC_INTERRUPT_HDECR, 1);
}
}

6
target/ppc/cpu.h
View File

@ -1117,10 +1117,10 @@ struct CPUPPCState {
/*
* On P7/P8/P9, set when in PM state, we need to handle resume in
* a special way (such as routing some resume causes to 0x100), so
* flag this here.
* a special way (such as routing some resume causes to 0x100, ie,
* sreset), so flag this here.
*/
bool in_pm_state;
bool resume_as_sreset;
#endif
/* Those resources are used only during code translation */

8
target/ppc/excp_helper.c
View File

@ -69,7 +69,7 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp,
target_ulong *msr)
{
/* We no longer are in a PM state */
env->in_pm_state = false;
env->resume_as_sreset = false;
/* Pretend to be returning from doze always as we don't lose state */
*msr |= (0x1ull << (63 - 47));
@ -141,7 +141,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
* check for special resume at 0x100 from doze/nap/sleep/winkle on
* P7/P8/P9
*/
if (env->in_pm_state) {
if (env->resume_as_sreset) {
excp = powerpc_reset_wakeup(cs, env, excp, &msr);
}
@ -787,7 +787,7 @@ static void ppc_hw_interrupt(CPUPPCState *env)
* clear when coming out of some power management states (in order
* for them to become a 0x100).
*/
async_deliver = (msr_ee != 0) || env->in_pm_state;
async_deliver = (msr_ee != 0) || env->resume_as_sreset;
/* Hypervisor decrementer exception */
if (env->pending_interrupts & (1 << PPC_INTERRUPT_HDECR)) {
@ -970,7 +970,7 @@ void helper_pminsn(CPUPPCState *env, powerpc_pm_insn_t insn)
env->pending_interrupts &= ~(1 << PPC_INTERRUPT_HDECR);
/* Condition for waking up at 0x100 */
env->in_pm_state = (insn != PPC_PM_STOP) ||
env->resume_as_sreset = (insn != PPC_PM_STOP) ||
(env->spr[SPR_PSSCR] & PSSCR_EC);
}
#endif /* defined(TARGET_PPC64) */