HelenOS sources
smp_irq_to_pin 56 kernel/arch/amd64/include/arch/smp/smp.h extern int smp_irq_to_pin(unsigned int);
smp_irq_to_pin 222 kernel/arch/amd64/src/smp/apic.c if ((pin = smp_irq_to_pin(i)) != -1)
smp_irq_to_pin 652 kernel/arch/amd64/src/smp/apic.c int pin = smp_irq_to_pin(i);
smp_irq_to_pin 679 kernel/arch/amd64/src/smp/apic.c int pin = smp_irq_to_pin(i);
smp_irq_to_pin 56 kernel/arch/ia32/include/arch/smp/smp.h extern int smp_irq_to_pin(unsigned int);
smp_irq_to_pin 222 kernel/arch/ia32/src/smp/apic.c if ((pin = smp_irq_to_pin(i)) != -1)
smp_irq_to_pin 652 kernel/arch/ia32/src/smp/apic.c int pin = smp_irq_to_pin(i);
smp_irq_to_pin 679 kernel/arch/ia32/src/smp/apic.c int pin = smp_irq_to_pin(i);
HelenOS homepage, sources at GitHub