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hw/ppc: Reset timebase facilities on machine reset

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Lower interrupts, delete timers, and set time facility registers
back to initial state on machine reset.

This is not so important for record-replay since timebase and
decrementer are migrated, but it gives a cleaner reset state.

Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[ clg: checkpatch.pl fixes ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Nicholas Piggin 2023-08-08 14:19:53 +10:00 • committed by Cédric Le Goater
parent 578912ad73
commit 30d0647bcf
7 changed files with 36 additions and 21 deletions
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2
hw/ppc/pnv_core.c
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@ -61,6 +61,8 @@ static void pnv_core_cpu_reset(PnvCore *pc, PowerPCCPU *cpu)
hreg_compute_hflags(env);
ppc_maybe_interrupt(env);
cpu_ppc_tb_reset(env);
pcc->intc_reset(pc->chip, cpu);
}