HelenOS sources
io_redirection_reg_t 623 kernel/arch/amd64/src/smp/apic.c io_redirection_reg_t reg;
io_redirection_reg_t 654 kernel/arch/amd64/src/smp/apic.c io_redirection_reg_t reg;
io_redirection_reg_t 681 kernel/arch/amd64/src/smp/apic.c io_redirection_reg_t reg;
io_redirection_reg_t 623 kernel/arch/ia32/src/smp/apic.c io_redirection_reg_t reg;
io_redirection_reg_t 654 kernel/arch/ia32/src/smp/apic.c io_redirection_reg_t reg;
io_redirection_reg_t 681 kernel/arch/ia32/src/smp/apic.c io_redirection_reg_t reg;
io_redirection_reg_t 144 uspace/drv/intctl/apic/apic.c io_redirection_reg_t reg;
HelenOS homepage, sources at GitHub