#include <hvmm_types.h>

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Functions
hvmm_status_t	trap_hvc_dabort (unsigned int iss, struct arch_regs *regs)

Function Documentation

hvmm_status_t trap_hvc_dabort	(	unsigned int	iss,
		struct arch_regs *	regs
	)

Definition at line 72 of file trap_dabort.c.

{
    hvmm_status_t result = HVMM_STATUS_UNKNOWN_ERROR;
    //far, fipa, il
    uint32_t far = read_hdfar();
    uint32_t fipa;
    uint32_t sas, srt, wnr;

    HVMM_TRACE_ENTER();

    printh( "trap_hvc_dabort: hdfar:%x hpfar:%x\n", far, read_hpfar() );
    fipa = (read_hpfar() & HPFAR_FIPA_MASK) >> HPFAR_FIPA_SHIFT;
    fipa = fipa << HPFAR_FIPA_PAGE_SHIFT;
    fipa = fipa | (far & HPFAR_FIPA_PAGE_MASK);
    sas = (iss & ISS_SAS_MASK) >> ISS_SAS_SHIFT;
    srt = (iss & ISS_SRT_MASK) >> ISS_SRT_SHIFT;
    wnr = (iss & ISS_WNR) ? 1 : 0;

    if ( (iss & ISS_VALID) && ((iss & ISS_FSR_MASK) < 8) ) {
        /*
           vdev emulates read/write, update pc, update destination register
         */
        result = vdev_emulate(fipa, wnr, (vdev_access_size_t) sas, srt, regs );
        if ( result != HVMM_STATUS_SUCCESS ) {
            printh( "trap_dabort: emulation failed guest pc:%x\n", regs->pc );

            /* Let the guest continue by increasing pc */
            regs->pc += 4;
        }
    } else {
        printh( "trap_dboart: fipa=0x%x\n", fipa );
        result = HVMM_STATUS_BAD_ACCESS;
    }
    if ( result != HVMM_STATUS_SUCCESS ) {
        printh( "- INSTR: %s[%d] r%d [%x]\n", wnr ? "str" : "ldr", (sas + 1) * 8, srt, fipa );
    }

    switch (iss & ISS_FSR_MASK) {
        case TRANS_FAULT_LEVEL1:
        case TRANS_FAULT_LEVEL2:
        case TRANS_FAULT_LEVEL3:
            break;

        case ACCESS_FAULT_LEVEL1:
        case ACCESS_FAULT_LEVEL2:
        case ACCESS_FAULT_LEVEL3:
            {
                printh("ACCESS fault %d\n", iss & ISS_FSR_MASK);
            }
            break;
        default:
        break;
    }
    HVMM_TRACE_EXIT();

    return result;
}

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Functions

Function Documentation