MALTA_PCI_BASE 48 kernel/arch/mips32/include/arch/mach/malta/malta.h #define PIC0_BASE (MALTA_PCI_BASE + 0x20) MALTA_PCI_BASE 49 kernel/arch/mips32/include/arch/mach/malta/malta.h #define PIC1_BASE (MALTA_PCI_BASE + 0xa0)HelenOS homepage, sources at GitHub