emulator/csr_machine_information.c


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#include "emulator/csr.h"

#include "emulator/hart.h"

static uint32_t csr_minfo_zero(Hart* hart, uint32_t v, enum CsrAction a)
{
    return 0;
}

static uint32_t csr_mhartid(Hart* hart, uint32_t v, enum CsrAction a)
{
    return hart->hartid;
}

void csr_init_machine_information(Hart* hart)
{
    hart->csrs[CSR_MVENDORID].action = csr_minfo_zero;
    hart->csrs[CSR_MARCHID].action = csr_minfo_zero;
    hart->csrs[CSR_MIMPID].action = csr_minfo_zero;
    hart->csrs[CSR_MHARTID].action = csr_mhartid;
}