SocLib Components General Index

VciXicu

1) Functional Description

This VCI target is a memory mapped peripheral implementing a vectorized interrupt controller, a timer controller, and an Inter-processor interrupt controller.

It can concentrate up to

• 32 independent interrupt lines
• 32 independent timers
• 32 IPI registers

multiplexing to up to 32 output lines

Complete specification is in xicu-1.0.pdf​.

2) Component definition & usage

source:trunk/soclib/module/infrastructure_component/interrupt_infrastructure/vci_xicu/caba/metadata/vci_xicu.sd

Uses( 'vci_xicu' )

3) CABA Implementation

CABA sources

• interface : source:trunk/soclib/soclib/module/infrastructure_component/interrupt_infrastructure/vci_xicu/caba/source/include/vci_xicu.h​
• implementation : source:trunk/soclib/soclib/module/infrastructure_component/interrupt_infrastructure/vci_xicu/caba/source/src/vci_xicu.cpp​

CABA Constructor parameters

VciXicu(
     sc_module_name name,  // Component Name
     const soclib::common::InTab &index, // Target index
     const soclib::common::MappingTable &mt,  // Mapping Table
     size_t pti_count,   // Number of programmeble timers
     size_t hwi_count,   // Number of hardware interrupt lines
     size_t wti_count,   // Number of write-triggerred interrupts (IPI)
     size_t irq_count);  // Number of output lines

CABA Ports

• sc_in<bool> p_clk : Global system clock
• sc_in<bool> p_resetn : Global system reset
• soclib::caba::VciTarget<vci_param> p_vci : VCI port
• sc_out<bool> *p_irq : Output interrupt ports (irq_count)
• sc_in<bool> *p_hwi : Input interrupts ports (hwi_count)