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RESET and SYSRQ is now trapped by a hypervisor

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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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11
terranmon.txt
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@@ -74,9 +74,10 @@ MMIO
stores keys that are held down. Can accomodate 8-key rollover (in keyboard geeks' terms)
0x0 is written for the empty area; numbers are always sorted
48..51 RO: System flags
48: 0b r000 000t
48: 0b rq00 000t
t: STOP button (should raise SIGTERM)
r: RESET button (should reset the system)
r: RESET button (hypervisor should reset the system)
q: SysRq button (hypervisor should respond to it)
64..67 RO: User area memory size in bytes
68 WO: Counter latch
@@ -104,10 +105,12 @@ MMIO
90 RO: BMS calculated battery percentage where 255 is 100%
91 RO: BMS battery voltage multiplied by 10 (127 = "12.7 V")
92..127 RW: Used by the hypervisor
1024..2047 RW: Reserved for integrated peripherals (e.g. built-in status display)
2048..4075 RW: Used by the hypervisor
2048..2051 RW: Status flags
4076..4079 RW: 8-bit status code for the port
4080..4083 RO: 8-bit status code for connected device