Am 21.08.2013 16:36, schrieb Peter Maydell: > On 21 August 2013 15:12, Andreas Färber <afaer...@suse.de> wrote: > >> - for (i = 0, cpu = first_cpu; i < s->num_cpu; i++, cpu = >> cpu->next_cpu) { >> + i = 0; >> + CPU_FOREACH(cpu) { >> DeviceState *cpudev = DEVICE(cpu); >> int ppibase = s->num_irq - 32 + i * 32; >> + >> + if (i < s->num_cpu) { >> + break; >> + } >> + >> /* physical timer; we wire it up to the non-secure timer's ID, >> * since a real A15 always has TrustZone but QEMU doesn't. >> */ >> @@ -83,6 +89,7 @@ static int a15mp_priv_init(SysBusDevice *dev) >> /* virtual timer */ >> qdev_connect_gpio_out(cpudev, 1, >> qdev_get_gpio_in(s->gic, ppibase + 27)); >> + i++; >> } > > It seems a bit ugly to have to both enumerate the CPUs > via CPU_FOREACH and update an index i simultaneously.
Same for the original code. :) > Isn't there any way to either say "give me the CPU pointer for > CPU i" or "give me the index i of this CPU" ? There is: diff --git a/hw/cpu/a15mpcore.c b/hw/cpu/a15mpcore.c index 9d0e27e..1263b12 100644 --- a/hw/cpu/a15mpcore.c +++ b/hw/cpu/a15mpcore.c @@ -50,7 +50,6 @@ static int a15mp_priv_init(SysBusDevice *dev) SysBusDevice *busdev; const char *gictype = "arm_gic"; int i; - CPUState *cpu; if (kvm_irqchip_in_kernel()) { gictype = "kvm-arm-gic"; @@ -72,15 +71,10 @@ static int a15mp_priv_init(SysBusDevice *dev) /* Wire the outputs from each CPU's generic timer to the * appropriate GIC PPI inputs */ - i = 0; - CPU_FOREACH(cpu) { - DeviceState *cpudev = DEVICE(cpu); + for (i = 0; i < s->num_cpu; i++) { + DeviceState *cpudev = DEVICE(qemu_get_cpu(i)); int ppibase = s->num_irq - 32 + i * 32; - if (i < s->num_cpu) { - break; - } - /* physical timer; we wire it up to the non-secure timer's ID, * since a real A15 always has TrustZone but QEMU doesn't. */ @@ -89,7 +83,6 @@ static int a15mp_priv_init(SysBusDevice *dev) /* virtual timer */ qdev_connect_gpio_out(cpudev, 1, qdev_get_gpio_in(s->gic, ppibase + 27)); - i++; } /* Memory map (addresses are offsets from PERIPHBASE): -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html