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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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8
tsvm_core/src/net/torvald/tsvm/peripheral/IOSpace.kt
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@@ -103,7 +103,7 @@ class IOSpace(val vm: VM) : PeriBase("io"), InputProcessor {
38L -> keyboardInputRequested.toInt().toByte()
39L -> rawInputFunctionLatched.toInt().toByte()
in 40..47 -> keyEventBuffers[adi - 40]
48L -> ((vm.resetDown.toInt(7)) or (vm.stopDown.toInt())).toByte()
48L -> (vm.resetDown.toInt(7) or vm.sysrqDown.toInt(6) or vm.stopDown.toInt()).toByte()
in 64..67 -> vm.memsize.shr((adi - 64) * 8).toByte()
68L -> (uptimeCounterLatched.toInt() or RTClatched.toInt(1)).toByte()
@@ -116,7 +116,7 @@ class IOSpace(val vm: VM) : PeriBase("io"), InputProcessor {
89L -> ((acpiShutoff.toInt(7)) or (bmsIsBatteryOperated.toInt(3)) or (bmsHasBattery.toInt(1))
or bmsIsCharging.toInt()).toByte()
in 92L..127L -> hyveArea[addr.toInt()]
in 2048L..4075L -> hyveArea[addr.toInt() - 2048]
in 1024..2047 -> peripheralFast[addr - 1024]
@@ -160,7 +160,7 @@ class IOSpace(val vm: VM) : PeriBase("io"), InputProcessor {
}
}
private val hyveArea = ByteArray(128)
private val hyveArea = ByteArray(2048)
override fun mmio_write(addr: Long, byte: Byte) {
val adi = addr.toInt()
@@ -190,7 +190,7 @@ class IOSpace(val vm: VM) : PeriBase("io"), InputProcessor {
acpiShutoff = byte.and(-128).isNonZero()
}
in 92L..127L -> hyveArea[addr.toInt()] = byte
in 2048L..4075L -> hyveArea[addr.toInt() - 2048] = byte
in 1024..2047 -> peripheralFast[addr - 1024] = byte