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/*

 * This file is subject to the terms and conditions of the BSD License. See

 * the file "LICENSE" in the main directory of this archive for more details.

 *

 * Copyright (C) 2014 Aleksander Osman

 */

#include <cstdio>

#include <cstdlib>

#include "tests.h"

//------------------------------------------------------------------------------

void interrupt_till_exc_init(tst_t *tst, shared_mem_t *shared_ptr) {

    for(int i=1; i<32; i++) shared_ptr->initial.reg[i-1] = rand_uint32();

    shared_ptr->initial.pc = 0xA0001000;

    //tlb left zero

    shared_ptr->initial.index_p             = rand() & 0x1;

    shared_ptr->initial.index_index         = rand() & 0x3F;

    shared_ptr->initial.random              = rand() & 0x3F;

    shared_ptr->initial.entrylo_pfn         = rand() & 0xFFFFF;

    shared_ptr->initial.entrylo_n           = rand() & 0x1;

    shared_ptr->initial.entrylo_d           = rand() & 0x1;

    shared_ptr->initial.entrylo_v           = rand() & 0x1;

    shared_ptr->initial.entrylo_g           = rand() & 0x1;

    shared_ptr->initial.context_ptebase     = rand() & 0x7FF;

    shared_ptr->initial.context_badvpn      = rand() & 0x7FFFF;

    shared_ptr->initial.bad_vaddr           = rand_uint32();

    shared_ptr->initial.entryhi_vpn         = rand() & 0xFFFFF;

    shared_ptr->initial.entryhi_asid        = rand() & 0x3F;

    shared_ptr->initial.sr_cp_usable        = rand() & 0xF;

    shared_ptr->initial.sr_rev_endian       = rand() & 0x1;

    shared_ptr->initial.sr_bootstrap_vec    = rand() & 0x1;

    shared_ptr->initial.sr_tlb_shutdown     = rand() & 0x1;

    shared_ptr->initial.sr_parity_err       = rand() & 0x1;

    shared_ptr->initial.sr_cache_miss       = rand() & 0x1;

    shared_ptr->initial.sr_parity_zero      = rand() & 0x1;

    shared_ptr->initial.sr_switch_cache     = rand() & 0x1;

    shared_ptr->initial.sr_isolate_cache    = rand() & 0x1;

    shared_ptr->initial.sr_irq_mask         = rand() & 0xFF;

    shared_ptr->initial.sr_ku_ie            = rand() & 0x3F;

    shared_ptr->initial.cause_branch_delay  = rand() & 0x1;

    shared_ptr->initial.cause_cp_error      = rand() & 0x3;

    shared_ptr->initial.cause_irq_pending   = 0;

    shared_ptr->initial.cause_exc_code      = rand() & 0x1F;

    shared_ptr->initial.epc                 = rand_uint32();

    //

    uint32 *ptr = &shared_ptr->mem.ints[(shared_ptr->initial.pc & 0x1FFFFFFF) / 4];

    (*ptr) = 0;

    ptr++;

    (*ptr) = 0;

    ptr++;

    (*ptr) = 0;

    ptr++;

    (*ptr) = rand() & 0x03FFFFC0;

    (*ptr) |= 0b001100; //SYSCALL

    ptr++;

    //

    bool irq3 = (rand() % 2) == 0;

    shared_ptr->irq2_at_event = (irq3)? 0xFFFFFFFF : 1;

    shared_ptr->irq3_at_event = (irq3)? 1          : 0xFFFFFFFF;

}

//------------------------------------------------------------------------------