khypervisor: interrupt.c Source File

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00001 #include "hvmm_types.h"
00002 #include "gic.h"
00003 #include "armv7_p15.h"
00004 #include "context.h"
00005 #include "hvmm_trace.h"
00006 #include "vgic.h"
00007 #include "virq.h"
00008 
00009 #include <log/uart_print.h>
00010 
00011 hvmm_status_t hvmm_interrupt_init(void)
00012 {
00013     hvmm_status_t ret = HVMM_STATUS_UNKNOWN_ERROR;
00014 
00015     /* Route IRQ/IFQ to Hyp Exception Vector */
00016     {
00017         uint32_t hcr;
00018 
00019         hcr = read_hcr(); uart_print( "hcr:"); uart_print_hex32(hcr); uart_print("\n\r");
00020         hcr |= HCR_IMO | HCR_FMO;
00021         write_hcr( hcr );
00022         hcr = read_hcr(); uart_print( "hcr:"); uart_print_hex32(hcr); uart_print("\n\r");
00023     } 
00024 
00025     /* Physical Interrupt: GIC Distributor & CPU Interface */
00026     ret = gic_init();
00027 
00028     /* Virtual Interrupt: GIC Virtual Interface Control */
00029     if ( ret == HVMM_STATUS_SUCCESS ) ret = vgic_init();
00030     if ( ret == HVMM_STATUS_SUCCESS ) ret = vgic_enable(1);
00031     if ( ret == HVMM_STATUS_SUCCESS ) ret = virq_init();
00032 
00033     return ret;
00034 }