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RESET and SYSRQ is now trapped by a hypervisor

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This commit is contained in:
minjaesong
2024-09-14 12:23:52 +09:00
parent 8144dddb82
commit 8784b7f35c
6 changed files with 71 additions and 27 deletions
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4
assets/disk0/tvdos/bin/command.js
View File

@@ -37,7 +37,7 @@ function print_prompt_text() {
con.addch(16);con.curs_right()
con.color_pair(0,253)
print(" \\"+shell_pwd.join("\\").substring(1)+" ")
if (errorlevel != 0) {
if (errorlevel != 0 && errorlevel != "undefined" && errorlevel != undefined) {
con.color_pair(166,253)
print("["+errorlevel+"] ")
}
@@ -48,7 +48,7 @@ function print_prompt_text() {
}
else {
// con.color_pair(253,255)
if (errorlevel != 0)
if (errorlevel != 0 && errorlevel != "undefined" && errorlevel != undefined)
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + " [" + errorlevel + "]" + PROMPT_TEXT)
else
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + PROMPT_TEXT)

50
assets/disk0/tvdos/hyve.SYS
View File

@@ -9,8 +9,7 @@ hyve is a hypervisor for tsvm.
3. hands the control over to the TVDOS until SysRq sequence is struck
*/
let context = parallel.spawnNewContext()
let bios = `
const bios = `
// probe bootable device
var _BIOS = {};
@@ -24,8 +23,6 @@ _BIOS.FIRST_BOOTABLE_PORT = [0,1]; // ah screw it
Object.freeze(_BIOS);
///////////////////////////////////////////////////////////////////////////////
// load a bootsector using 'LOADBOOT'
let portNumber = 0;
let driveStatus = 0;
@@ -54,17 +51,46 @@ else {
printerrln("No bootable medium found.");
}
`
let runner = parallel.attachProgram("TVDOS", context, bios)
parallel.launch(runner)
sys.sleep(1000);
let runner = undefined
function startNewInstance() {
runner = parallel.attachProgram("TVDOS", parallel.spawnNewContext(), bios)
serial.println("Starting new instance "+runner)
parallel.launch(runner)
sys.sleep(1000)
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// initial kickstart
startNewInstance()
while (parallel.isRunning(runner)) {
graphics.plotPixel( // test fill the framebuffer to prove VM is shared
(Math.random() * 560) | 0,
(Math.random() * 448) | 0,
(Math.random() * 256) | 0
)
if (sys.peek(-49) >>> 7 == 1) {
sys.poke(-49, 0)
parallel.kill(runner)
graphics.clearText()
graphics.clearPixels(255)
startNewInstance()
}
else if (sys.peek(-49) >>> 6 == 1) {
sys.poke(-49, 0)
let threads = parallel.getThreadPool()
serial.println("======================")
for (let i = 0; i < threads.size; i++) {
serial.println(`Thread #${i+1}: ${threads[i]}`)
}
serial.println("======================")
sys.sleep(300)
}
sys.sleep(0)
}