113 lines
2.7 KiB
JavaScript
113 lines
2.7 KiB
JavaScript
"use strict";
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// jor1k compatibility
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var VIRTIO_MAGIC_REG = 0x0;
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var VIRTIO_VERSION_REG = 0x4;
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var VIRTIO_DEVICE_REG = 0x8;
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var VIRTIO_VENDOR_REG = 0xc;
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var VIRTIO_HOSTFEATURES_REG = 0x10;
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var VIRTIO_HOSTFEATURESSEL_REG = 0x14;
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var VIRTIO_GUESTFEATURES_REG = 0x20;
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var VIRTIO_GUESTFEATURESSEL_REG = 0x24;
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var VIRTIO_GUEST_PAGE_SIZE_REG = 0x28;
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var VIRTIO_QUEUESEL_REG = 0x30;
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var VIRTIO_QUEUENUMMAX_REG = 0x34;
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var VIRTIO_QUEUENUM_REG = 0x38;
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var VIRTIO_QUEUEALIGN_REG = 0x3C;
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var VIRTIO_QUEUEPFN_REG = 0x40;
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var VIRTIO_QUEUENOTIFY_REG = 0x50;
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var VIRTIO_INTERRUPTSTATUS_REG = 0x60;
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var VIRTIO_INTERRUPTACK_REG = 0x64;
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var VIRTIO_STATUS_REG = 0x70;
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/** @const */
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var VRING_DESC_F_NEXT = 1; /* This marks a buffer as continuing via the next field. */
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/** @const */
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var VRING_DESC_F_WRITE = 2; /* This marks a buffer as write-only (otherwise read-only). */
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/** @const */
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var VRING_DESC_F_INDIRECT = 4; /* This means the buffer contains a list of buffer descriptors. */
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function Swap16(x)
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{
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// OR1K is big endian, therefore no conversion needed for us
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return x;
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}
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function Swap32(x)
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{
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return x;
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}
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function abort()
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{
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if(DEBUG)
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{
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throw "abort";
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}
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}
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function hex8(n)
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{
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return h(n);
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}
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/** @param {...string} log */
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function DebugMessage(log)
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{
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if(DEBUG)
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{
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console.log.apply(console, arguments);
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}
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}
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function LoadXMLResource(url, OnSuccess, OnError) {
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var req = new XMLHttpRequest();
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req.open('GET', url, true);
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//req.overrideMimeType('text/xml');
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req.onreadystatechange = function () {
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if (req.readyState != 4) {
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return;
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}
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if ((req.status != 200) && (req.status != 0)) {
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OnError("Error: Could not load XML file " + url);
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return;
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}
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OnSuccess(req.responseText);
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};
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req.send(null);
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}
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function LoadBinaryResource(url, OnSuccess, OnError) {
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var req = new XMLHttpRequest();
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req.open('GET', url, true);
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req.responseType = "arraybuffer";
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req.onreadystatechange = function () {
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if (req.readyState != 4) {
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return;
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}
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if ((req.status != 200) && (req.status != 0)) {
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OnError("Error: Could not load file " + url);
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return;
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}
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var arrayBuffer = req.response;
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if (arrayBuffer) {
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OnSuccess(arrayBuffer);
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} else {
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OnError("Error: No data received from: " + url);
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}
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};
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/*
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req.onload = function(e)
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{
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var arrayBuffer = req.response;
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if (arrayBuffer) {
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OnLoadFunction(arrayBuffer);
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}
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};
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*/
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req.send(null);
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}
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