Compare commits
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main
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| 94cbcd6a1f | |||
| de21059b53 | |||
| 7fb000f5ce | |||
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| a0a204b43c | |||
| 52098ee0e9 | |||
| 26db917d24 |
2
.gitignore
vendored
2
.gitignore
vendored
@ -2,5 +2,7 @@ nel_os_bootloader/target
|
||||
nel_os_kernel/target
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nel_os_common/target
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nel_os_bootloader/fat.img
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nel_os_bootloader/myOSimage.img
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nel_os_bootloader/iso/
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nel_os_bootloader/nel_os.iso
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nel_os_bootloader/vmlinux
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BIN
nel_os_bootloader/OVMF-pure-efi.fd
Normal file
BIN
nel_os_bootloader/OVMF-pure-efi.fd
Normal file
Binary file not shown.
BIN
nel_os_bootloader/OVMF.fd
Normal file
BIN
nel_os_bootloader/OVMF.fd
Normal file
Binary file not shown.
408
nel_os_bootloader/bochs.out
Normal file
408
nel_os_bootloader/bochs.out
Normal file
@ -0,0 +1,408 @@
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||||
00000000000i[ ] Bochs x86 Emulator 3.0.devel
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||||
00000000000i[ ] Built from GitHub snapshot after release 3.0
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||||
00000000000i[ ] Compiled on Aug 21 2025 at 19:02:35
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||||
00000000000i[ ] System configuration
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||||
00000000000i[ ] processors: 1 (cores=1, HT threads=1)
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||||
00000000000i[ ] A20 line support: yes
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||||
00000000000i[ ] IPS is set to 4000000
|
||||
00000000000i[ ] CPU configuration
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||||
00000000000i[ ] SMP support: no
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||||
00000000000i[ ] Using pre-defined CPU configuration: corei7_sandy_bridge_2600k
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||||
00000000000i[ ] Optimization configuration
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||||
00000000000i[ ] RepeatSpeedups support: no
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||||
00000000000i[ ] Fast function calls: no
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||||
00000000000i[ ] Handlers Chaining speedups: no
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||||
00000000000i[ ] Devices configuration
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||||
00000000000i[ ] PCI support: i440FX i430FX i440BX
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||||
00000000000i[ ] Networking: no
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||||
00000000000i[ ] Sound support: no
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||||
00000000000i[ ] USB support: no
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||||
00000000000i[ ] VGA extension support: vbe
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||||
00000000000i[IMG ] Disk image modules
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||||
00000000000i[IMG ] flat concat sparse dll growing undoable volatile vmware3
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||||
00000000000i[IMG ] vmware4 vbox vpc vvfat
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||||
00000000000i[MEM0 ] allocated memory at 0x7d9025bdd010. after alignment, vector=0x7d9025bde000, block_size = 128K
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00000000000i[MEM0 ] 256.00MB
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||||
00000000000i[MEM0 ] mem block size = 0x00020000, blocks=2048
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00000000000i[MEM0 ] rom at 0xffe00000/2097152 ('./OVMF-pure-efi.fd')
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00000000000i[CPU0 ] initialized CPU model corei7_sandy_bridge_2600k
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00000000000i[DEV ] will paste characters every 100 iodev timer ticks
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00000000000i[PLUGIN] init_dev of 'pci' plugin device by virtual method
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||||
00000000000i[DEV ] i440FX PMC present at device 0, function 0
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00000000000i[PLUGIN] init_dev of 'pci2isa' plugin device by virtual method
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||||
00000000000i[DEV ] PIIX3 PCI-to-ISA bridge present at device 1, function 0
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||||
00000000000i[PLUGIN] init_dev of 'cmos' plugin device by virtual method
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||||
00000000000i[CMOS ] Using local time for initial clock
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00000000000i[CMOS ] Setting initial clock to: Fri Aug 22 15:03:30 2025 tz=utc (time0=1755875010)
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00000000000i[PLUGIN] init_dev of 'dma' plugin device by virtual method
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||||
00000000000i[DMA ] channel 4 used by cascade
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||||
00000000000i[PLUGIN] init_dev of 'pic' plugin device by virtual method
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||||
00000000000i[PLUGIN] init_dev of 'pit' plugin device by virtual method
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||||
00000000000i[PLUGIN] init_dev of 'vga' plugin device by virtual method
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||||
00000000000i[MEM0 ] Register memory access handlers: 0x0000000a0000 - 0x0000000bffff
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||||
00000000000i[VGA ] interval=100000, mode=realtime
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00000000000i[VGA ] Setting VGA update interval to 100000 (10.0 Hz)
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||||
00000000000i[VGA ] VSYNC using standard mode
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||||
00000000000i[BXVGA ] VBE Bochs Display Extension Enabled (16 MB)
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||||
00000000000i[DEV ] PCI slot #1 used by plugin 'pcivga'
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||||
00000000000i[DEV ] Experimental PCI VGA present at device 2, function 0
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||||
00000000000i[BXVGA ] loaded PCI ROM '/usr/local/share/bochs/VGABIOS-lgpl-latest-cirrus.bin' (size=33792 / PCI=64k)
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||||
00000000000i[PLUGIN] init_dev of 'floppy' plugin device by virtual method
|
||||
00000000000i[DMA ] channel 2 used by Floppy Drive
|
||||
00000000000i[FLOPPY] Using boot sequence disk, none, none
|
||||
00000000000i[FLOPPY] Floppy boot signature check is enabled
|
||||
00000000000i[PLUGIN] init_dev of 'acpi' plugin device by virtual method
|
||||
00000000000i[DEV ] ACPI Controller present at device 1, function 3
|
||||
00000000000i[PLUGIN] init_dev of 'hpet' plugin device by virtual method
|
||||
00000000000i[HPET ] initializing HPET
|
||||
00000000000i[MEM0 ] Register memory access handlers: 0x0000fed00000 - 0x0000fed003ff
|
||||
00000000000i[PLUGIN] init_dev of 'ioapic' plugin device by virtual method
|
||||
00000000000i[IOAPIC] initializing I/O APIC
|
||||
00000000000i[MEM0 ] Register memory access handlers: 0x0000fec00000 - 0x0000fec00fff
|
||||
00000000000i[IOAPIC] IOAPIC enabled (base address = 0xfec00000)
|
||||
00000000000i[PLUGIN] init_dev of 'keyboard' plugin device by virtual method
|
||||
00000000000i[PLUGIN] init_dev of 'pci_ide' plugin device by virtual method
|
||||
00000000000i[DEV ] PIIX3 PCI IDE controller present at device 1, function 1
|
||||
00000000000i[PLUGIN] init_dev of 'harddrv' plugin device by virtual method
|
||||
00000000000i[HD ] HD on ata0-0: './myOSimage.img', 'flat' mode
|
||||
00000000000i[IMG ] hd_size: 67108864
|
||||
00000000000i[HD ] ata0-0: autodetect geometry: CHS=130/16/63 (sector size=512)
|
||||
00000000000i[HD ] ata0-0: extra data outside of CHS address range
|
||||
00000000000i[HD ] translation on ata0-0 set to 'none'
|
||||
00000000000i[PLUGIN] init_dev of 'unmapped' plugin device by virtual method
|
||||
00000000000i[PLUGIN] init_dev of 'biosdev' plugin device by virtual method
|
||||
00000000000i[PLUGIN] init_dev of 'speaker' plugin device by virtual method
|
||||
00000000000e[PCSPK ] Failed to open /dev/console: 許可がありません
|
||||
00000000000e[PCSPK ] Deactivating beep on console
|
||||
00000000000i[PLUGIN] init_dev of 'extfpuirq' plugin device by virtual method
|
||||
00000000000i[PLUGIN] init_dev of 'parallel' plugin device by virtual method
|
||||
00000000000i[PAR ] parallel port 1 at 0x0378 irq 7
|
||||
00000000000i[PLUGIN] init_dev of 'serial' plugin device by virtual method
|
||||
00000000000i[SER ] com1 at 0x03f8 irq 4 (mode: null)
|
||||
00000000000i[PLUGIN] init_dev of 'iodebug' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'pci' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'pci2isa' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'cmos' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'dma' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'pic' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'pit' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'vga' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'floppy' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'unmapped' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'biosdev' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'speaker' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'extfpuirq' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'parallel' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'serial' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'iodebug' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'acpi' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'hpet' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'ioapic' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'keyboard' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'pci_ide' plugin device by virtual method
|
||||
00000000000i[PLUGIN] register state of 'harddrv' plugin device by virtual method
|
||||
00000000000i[SYS ] bx_pc_system_c::Reset(HARDWARE) called
|
||||
00000000000i[CPU0 ] cpu hardware reset
|
||||
00000000000i[APIC0 ] allocate APIC id=0 (MMIO enabled) to 0x0000fee00000
|
||||
00000000000i[CPU0 ] CPUID[0x00000000]: 0000000d 756e6547 6c65746e 49656e69
|
||||
00000000000i[CPU0 ] CPUID[0x00000001]: 000206a7 00010800 079ae3bf afebfbff
|
||||
00000000000i[CPU0 ] CPUID[0x00000002]: 76035a01 00f0b0ff 00000000 00ca0000
|
||||
00000000000i[CPU0 ] CPUID[0x00000003]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x00000004]: 1c004121 01c0003f 0000003f 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x00000005]: 00000040 00000040 00000003 00001120
|
||||
00000000000i[CPU0 ] CPUID[0x00000006]: 00000077 00000002 0000000b 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x00000007]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x00000008]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x00000009]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] WARNING: Architectural Performance Monitoring is not implemented
|
||||
00000000000i[CPU0 ] CPUID[0x0000000a]: 07300803 00000000 00000000 00000603
|
||||
00000000000i[CPU0 ] CPUID[0x0000000b]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x0000000c]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x0000000d]: 00000003 00000240 00000240 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x80000000]: 80000008 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x80000001]: 00000000 00000000 00000001 28100000
|
||||
00000000000i[CPU0 ] CPUID[0x80000002]: 20202020 49202020 6c65746e 20295228
|
||||
00000000000i[CPU0 ] CPUID[0x80000003]: 65726f43 294d5428 2d376920 30303632
|
||||
00000000000i[CPU0 ] CPUID[0x80000004]: 5043204b 20402055 30342e33 007a4847
|
||||
00000000000i[CPU0 ] CPUID[0x80000005]: 00000000 00000000 00000000 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x80000006]: 00000000 00000000 01006040 00000000
|
||||
00000000000i[CPU0 ] CPUID[0x80000007]: 00000000 00000000 00000000 00000100
|
||||
00000000000i[CPU0 ] CPUID[0x80000008]: 00003028 00000200 00000000 00000000
|
||||
00000000000i[CPU0 ] CPU Features supported:
|
||||
00000000000i[CPU0 ] x87
|
||||
00000000000i[CPU0 ] 486ni
|
||||
00000000000i[CPU0 ] pentium_ni
|
||||
00000000000i[CPU0 ] p6ni
|
||||
00000000000i[CPU0 ] mmx
|
||||
00000000000i[CPU0 ] debugext
|
||||
00000000000i[CPU0 ] vme
|
||||
00000000000i[CPU0 ] pse
|
||||
00000000000i[CPU0 ] pae
|
||||
00000000000i[CPU0 ] pge
|
||||
00000000000i[CPU0 ] mtrr
|
||||
00000000000i[CPU0 ] pat
|
||||
00000000000i[CPU0 ] sysenter_sysexit
|
||||
00000000000i[CPU0 ] clflush
|
||||
00000000000i[CPU0 ] sse
|
||||
00000000000i[CPU0 ] sse2
|
||||
00000000000i[CPU0 ] sse3
|
||||
00000000000i[CPU0 ] ssse3
|
||||
00000000000i[CPU0 ] sse4_1
|
||||
00000000000i[CPU0 ] sse4_2
|
||||
00000000000i[CPU0 ] popcnt
|
||||
00000000000i[CPU0 ] mwait
|
||||
00000000000i[CPU0 ] longmode
|
||||
00000000000i[CPU0 ] lm_lahf_sahf
|
||||
00000000000i[CPU0 ] nx
|
||||
00000000000i[CPU0 ] cmpxhg16b
|
||||
00000000000i[CPU0 ] rdtscp
|
||||
00000000000i[CPU0 ] xsave
|
||||
00000000000i[CPU0 ] xsaveopt
|
||||
00000000000i[CPU0 ] aes_pclmulqdq
|
||||
00000000000i[CPU0 ] vmx
|
||||
00000000000i[CPU0 ] xapic
|
||||
00000000000i[CPU0 ] pcid
|
||||
00000000000i[CPU0 ] tsc_deadline
|
||||
00000000000i[PLUGIN] reset of 'pci' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'pci2isa' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'cmos' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'dma' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'pic' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'pit' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'vga' plugin device by virtual method
|
||||
00000000000i[DDC ] Using default EDID for resolution 1920x1200
|
||||
00000000000i[PLUGIN] reset of 'floppy' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'acpi' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'hpet' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'ioapic' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'keyboard' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'pci_ide' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'harddrv' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'unmapped' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'biosdev' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'speaker' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'extfpuirq' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'parallel' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'serial' plugin device by virtual method
|
||||
00000000000i[PLUGIN] reset of 'iodebug' plugin device by virtual method
|
||||
00000055493i[ACPI ] new PM base address: 0xb000
|
||||
00000055938i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000056097i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000056270i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000056429i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000056598i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000056757i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000056929i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000057088i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000057261i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000057420i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000057589i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000057748i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000057919i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00000058078i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404699010i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404699261i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404699420i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404699586i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404699747i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404699909e[CPU0 ] RDMSR: Unknown register 0x17
|
||||
00404701729i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404701888i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404702065i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404702224i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404702404i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404702563i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404702739i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404702898i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404703078i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404703237i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404703414i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404703573i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404706952i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404707111i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404707287i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404707446i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404707627i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404707786i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404707962i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404708121i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404708293i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404708452i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404708665i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404708836i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404749196i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404749367i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404750562i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404750733i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404953225i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404955765i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404956646i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404957662i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404957821i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404957987i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404958148i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404959043i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404959921i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404960937i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404961096i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404961262i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404961423i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00404962673i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455692544i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455721201i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455721452i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455721612i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455721802i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455721963i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455722125e[CPU0 ] RDMSR: Unknown register 0x17
|
||||
00455727961i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455728121i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455728322i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455728482i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455728686i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455728846i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455729046i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455729206i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455729410i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455729570i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455729771i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455729931i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455731779i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455731939i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455732129i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455732290i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455733787i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455733947i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455734137i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00455734298i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461046195i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461046350i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461046524i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461046679i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047124i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047279i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047448i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047603i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047777i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047932i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461047952i[APIC0 ] set timer divide factor to 1
|
||||
00461048098i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461048253i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461048427i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461048582i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461048753i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461048908i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461049074i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461049229i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461049402i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00461049557i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00471049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00471049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00477485335e[CMOS ] write to control register 0x0d ignored (read-only)
|
||||
00481049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00481049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00491049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00491049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00501049476i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00501049631i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00511049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00511049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00521049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00521049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00531049476i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00531049631i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00541049476i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00541049631i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00550634745i[PIDE ] BAR #4: i/o base address = 0xc000
|
||||
00550635289i[MEM0 ] Register memory access handlers: 0x000080000000 - 0x000080ffffff
|
||||
00550635289i[BXVGA ] BAR #0: mem base address = 0x80000000
|
||||
00550637278i[MEM0 ] Register memory access handlers: 0x000081000000 - 0x00008100ffff
|
||||
00550637278i[BXVGA ] new ROM address = 0x81000000
|
||||
00551049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00551049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00556732034i[SER ] com1: FIFO enabled
|
||||
00558548658i[SER ] com1: FIFO enabled
|
||||
00561049475i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00561049630i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00562088041i[KBD ] Switched to scancode set 2
|
||||
00571052468i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00571052623i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00581052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00581052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00581767851i[P2ISA ] PCI IRQ routing: PIRQA# set to 0x0a
|
||||
00581767938i[P2ISA ] PCI IRQ routing: PIRQB# set to 0x0a
|
||||
00581768025i[P2ISA ] PCI IRQ routing: PIRQC# set to 0x0b
|
||||
00581768112i[P2ISA ] PCI IRQ routing: PIRQD# set to 0x0b
|
||||
00591052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00591052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00601052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00601052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00611053746i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00611053901i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00621053540i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00621053695i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00631052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00631052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00641052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00641052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00651052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00651052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00661053540i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00661053695i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00671052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00671052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00681052467i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00681052622i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00691053746i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00691053901i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00701053540i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00701053695i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00711053746i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00711053901i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00721052468i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00721052623i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00731052468i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00731052623i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00741058328i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00741058483i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00751053746i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00751053901i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00761053540i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00761053695i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00764170096i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00764170251i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00764170425i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
00764170580i[CPU0 ] RDMSR: Read 00000000:fee00900 from MSR_APICBASE
|
||||
02367208064p[IOAPIC] >>PANIC<< I/O APIC read at address 0x0000fec00008 spans 32-bit boundary !
|
||||
02367208064i[CPU0 ] CPU is in long mode (active)
|
||||
02367208064i[CPU0 ] CS.mode = 64 bit
|
||||
02367208064i[CPU0 ] SS.mode = 64 bit
|
||||
02367208064i[CPU0 ] EFER = 0x00000d00: ffxsr NXE LMA LME sce
|
||||
02367208064i[CPU0 ] XCR0=0x00000001: tiledata tilecfg hwp lbr uintr hdc cet_s cet_u pasid pkru pt hi_zmm zmm_hi256 opmask bndcfg bndregs ymm sse FPU
|
||||
02367208064i[CPU0 ] | RAX=0000000000000000 RBX=0000000000232188
|
||||
02367208064i[CPU0 ] | RCX=ffffffffffffffff RDX=00000000fec00000
|
||||
02367208064i[CPU0 ] | RSP=0000000000232060 RBP=000000000fd7e518
|
||||
02367208064i[CPU0 ] | RSI=ffffffffffffffff RDI=0000000000232188
|
||||
02367208064i[CPU0 ] | R8=0000000000000000 R9=0000000000000001
|
||||
02367208064i[CPU0 ] | R10=0000000000000000 R11=0000000000000002
|
||||
02367208064i[CPU0 ] | R12=0000000000000000 R13=0000000000000000
|
||||
02367208064i[CPU0 ] | R14=00000000002320c0 R15=00000000001297e0
|
||||
02367208064i[CPU0 ] | EFLAGS=00000087: id vip vif ac vm rf nt IOPL=0 of df if tf SF zf af PF CF
|
||||
02367208064i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D
|
||||
02367208064i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 0
|
||||
02367208064i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
|
||||
02367208064i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
|
||||
02367208064i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 ffffffff 1 1
|
||||
02367208064i[CPU0 ] | FS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
|
||||
02367208064i[CPU0 ] | GS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
|
||||
02367208064i[CPU0 ] | MSR_FS_BASE:0000000000000000
|
||||
02367208064i[CPU0 ] | MSR_GS_BASE:0000000000000000
|
||||
02367208064i[CPU0 ] | RIP=0000000000110ed5 (0000000000110ed0)
|
||||
02367208064i[CPU0 ] | CR0=0x80010033: PG cd nw ac WP NE ET ts em MP PE
|
||||
02367208064i[CPU0 ] | CR2=0x0000000000000000
|
||||
02367208064i[CPU0 ] | CR3=0x000000000fa01000
|
||||
02367208064i[CPU0 ] | CR4=0x00000668: lass uintr pks cet pke smap smep keylock osxsave pcid fsgsbase smx vmx la57 umip OSXMMEXCPT OSFXSR pce pge MCE PAE pse DE tsd pvi vme
|
||||
02367208064i[CPU0 ] 0x0000000000110ed0>> mov rsi, qword ptr ds:[r13+rdx+8] : 498B741508
|
||||
02367208064i[CMOS ] Last time: 1755875601 tz=utc (Fri Aug 22 15:13:21 2025)
|
||||
02367208064i[ ] restoring default signal behavior
|
||||
02367208064i[SIM ] quit_sim called with exit code 1
|
||||
20
nel_os_bootloader/bochsrc
Normal file
20
nel_os_bootloader/bochsrc
Normal file
@ -0,0 +1,20 @@
|
||||
# ---- 画面/入力 ----
|
||||
display_library: sdl2
|
||||
vga: extension=cirrus
|
||||
pci: enabled=1, chipset=i440fx, slot1=pcivga
|
||||
vgaromimage: file=$BXSHARE/VGABIOS-lgpl-latest-cirrus.bin
|
||||
|
||||
romimage: file="./OVMF-pure-efi.fd", address=0x0, options=none
|
||||
|
||||
# ---- メモリ/CPU ----
|
||||
memory: guest=256
|
||||
cpu: count=1, model=corei7_sandy_bridge_2600k, reset_on_triple_fault=1
|
||||
|
||||
# ---- ストレージ（UEFI ESP を作った “本物のディスク” ）----
|
||||
ata0: enabled=1
|
||||
ata0-master: type=disk, mode=flat, path="./myOSimage.img", status=inserted
|
||||
boot: disk
|
||||
|
||||
# ---- ログ ----
|
||||
log: bochs.out
|
||||
|
||||
BIN
nel_os_bootloader/esp/NvVars
Normal file
BIN
nel_os_bootloader/esp/NvVars
Normal file
Binary file not shown.
0
nel_os_bootloader/esp/vvfat_attr.cfg
Normal file
0
nel_os_bootloader/esp/vvfat_attr.cfg
Normal file
BIN
nel_os_bootloader/myOSimage.img
Normal file
BIN
nel_os_bootloader/myOSimage.img
Normal file
Binary file not shown.
@ -6,7 +6,7 @@ EFI_BINARY="$1"
|
||||
./create-iso.sh "$EFI_BINARY"
|
||||
|
||||
qemu-system-x86_64 -enable-kvm \
|
||||
-m 4G \
|
||||
-m 2G \
|
||||
-serial mon:stdio \
|
||||
-nographic \
|
||||
-no-reboot \
|
||||
|
||||
@ -131,9 +131,20 @@ fn load_elf(bin: Box<[u8]>) -> u64 {
|
||||
elf.entry
|
||||
}
|
||||
|
||||
fn get_frame_buffer() -> gop::FrameBuffer {
|
||||
let gop_handle = uefi::boot::get_handle_for_protocol::<GraphicsOutput>().unwrap();
|
||||
let mut gop = boot::open_protocol_exclusive::<GraphicsOutput>(gop_handle).unwrap();
|
||||
fn get_frame_buffer() -> Option<gop::FrameBuffer> {
|
||||
let gop_handle = if let Ok(gop_handle) = uefi::boot::get_handle_for_protocol::<GraphicsOutput>()
|
||||
{
|
||||
gop_handle
|
||||
} else {
|
||||
println!("GraphicsOutput protocol not found");
|
||||
return None;
|
||||
};
|
||||
let mut gop = if let Ok(gop) = boot::open_protocol_exclusive::<GraphicsOutput>(gop_handle) {
|
||||
gop
|
||||
} else {
|
||||
println!("Failed to open GraphicsOutput protocol");
|
||||
return None;
|
||||
};
|
||||
|
||||
let info = gop.current_mode_info();
|
||||
let (width, height) = info.resolution();
|
||||
@ -141,7 +152,7 @@ fn get_frame_buffer() -> gop::FrameBuffer {
|
||||
let stride = info.stride();
|
||||
let pixel_format = info.pixel_format();
|
||||
|
||||
gop::FrameBuffer {
|
||||
Some(gop::FrameBuffer {
|
||||
frame_buffer,
|
||||
width,
|
||||
height,
|
||||
@ -151,15 +162,15 @@ fn get_frame_buffer() -> gop::FrameBuffer {
|
||||
PixelFormat::Bgr => gop::PixelFormat::Bgr,
|
||||
format => panic!("Unsupported pixel_format: {:?}", format),
|
||||
},
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
fn get_rsdp() -> u64 {
|
||||
fn get_rsdp() -> Option<u64> {
|
||||
uefi::system::with_config_table(move |c| {
|
||||
c.iter()
|
||||
.find(|config| config.guid == uefi::table::cfg::ACPI_GUID)
|
||||
.map(|config| config.address as u64)
|
||||
.expect("Failed to find RSDP in config table")
|
||||
.or(None)
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
6
nel_os_bootloader/update_img.sh
Executable file
6
nel_os_bootloader/update_img.sh
Executable file
@ -0,0 +1,6 @@
|
||||
#!/bin/sh
|
||||
cargo b -r
|
||||
sudo mount /dev/loop0 /mnt
|
||||
sudo cp ./target/x86_64-unknown-uefi/release/nel_os_bootloader.efi /mnt/EFI/BOOT/BOOTX64.EFI
|
||||
sudo sync
|
||||
sudo umount /mnt
|
||||
@ -7,8 +7,8 @@ pub mod memory;
|
||||
|
||||
pub struct BootInfo {
|
||||
pub usable_memory: UsableMemory,
|
||||
pub frame_buffer: FrameBuffer,
|
||||
pub rsdp: u64,
|
||||
pub frame_buffer: Option<FrameBuffer>,
|
||||
pub rsdp: Option<u64>,
|
||||
pub bzimage_addr: u64,
|
||||
pub bzimage_size: u64,
|
||||
pub rootfs_addr: u64,
|
||||
|
||||
@ -13,7 +13,4 @@ pub const HEAP_START: usize = 0x4444_4444_0000;
|
||||
pub const HEAP_SIZE: usize = 128 * 1024;
|
||||
|
||||
pub const PAGE_SIZE: usize = 4096;
|
||||
pub const MAX_MEMORY: usize = 256 * 1024 * 1024 * 1024;
|
||||
pub const FRAME_COUNT: usize = MAX_MEMORY / PAGE_SIZE;
|
||||
pub const BITS_PER_ENTRY: usize = 8 * core::mem::size_of::<usize>();
|
||||
pub const ENTRY_COUNT: usize = FRAME_COUNT / BITS_PER_ENTRY;
|
||||
|
||||
@ -5,6 +5,7 @@ use crate::{
|
||||
interrupt::{
|
||||
apic::{EOI, LAPIC},
|
||||
gdt,
|
||||
subscriber::InterruptContext,
|
||||
},
|
||||
time, warn,
|
||||
};
|
||||
@ -40,6 +41,17 @@ pub fn init_idt() {
|
||||
}
|
||||
|
||||
extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) {
|
||||
let context = InterruptContext {
|
||||
vector: 3,
|
||||
instruction_pointer: stack_frame.instruction_pointer.as_u64(),
|
||||
code_segment: stack_frame.code_segment.0 as u64,
|
||||
cpu_flags: stack_frame.cpu_flags.bits(),
|
||||
stack_pointer: stack_frame.stack_pointer.as_u64(),
|
||||
stack_segment: stack_frame.stack_segment.0 as u64,
|
||||
};
|
||||
|
||||
crate::interrupt::subscriber::dispatch_to_subscribers(&context);
|
||||
|
||||
warn!("EXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
|
||||
}
|
||||
|
||||
@ -47,6 +59,17 @@ extern "x86-interrupt" fn double_fault_handler(
|
||||
stack_frame: InterruptStackFrame,
|
||||
_error_code: u64,
|
||||
) -> ! {
|
||||
let context = InterruptContext {
|
||||
vector: 8,
|
||||
instruction_pointer: stack_frame.instruction_pointer.as_u64(),
|
||||
code_segment: stack_frame.code_segment.0 as u64,
|
||||
cpu_flags: stack_frame.cpu_flags.bits(),
|
||||
stack_pointer: stack_frame.stack_pointer.as_u64(),
|
||||
stack_segment: stack_frame.stack_segment.0 as u64,
|
||||
};
|
||||
|
||||
crate::interrupt::subscriber::dispatch_to_subscribers(&context);
|
||||
|
||||
panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
|
||||
}
|
||||
|
||||
@ -56,6 +79,17 @@ extern "x86-interrupt" fn page_fault_handler(
|
||||
) {
|
||||
use x86_64::registers::control::Cr2;
|
||||
|
||||
let context = InterruptContext {
|
||||
vector: 14,
|
||||
instruction_pointer: stack_frame.instruction_pointer.as_u64(),
|
||||
code_segment: stack_frame.code_segment.0 as u64,
|
||||
cpu_flags: stack_frame.cpu_flags.bits(),
|
||||
stack_pointer: stack_frame.stack_pointer.as_u64(),
|
||||
stack_segment: stack_frame.stack_segment.0 as u64,
|
||||
};
|
||||
|
||||
crate::interrupt::subscriber::dispatch_to_subscribers(&context);
|
||||
|
||||
panic!(
|
||||
"EXCEPTION: PAGE FAULT\n{:#?}\nAccessed address: {:#x}",
|
||||
stack_frame,
|
||||
@ -63,7 +97,18 @@ extern "x86-interrupt" fn page_fault_handler(
|
||||
);
|
||||
}
|
||||
|
||||
extern "x86-interrupt" fn timer_handler(_stack_frame: InterruptStackFrame) {
|
||||
extern "x86-interrupt" fn timer_handler(stack_frame: InterruptStackFrame) {
|
||||
let context = InterruptContext {
|
||||
vector: IRQ_TIMER as u8,
|
||||
instruction_pointer: stack_frame.instruction_pointer.as_u64(),
|
||||
code_segment: stack_frame.code_segment.0 as u64,
|
||||
cpu_flags: stack_frame.cpu_flags.bits(),
|
||||
stack_pointer: stack_frame.stack_pointer.as_u64(),
|
||||
stack_segment: stack_frame.stack_segment.0 as u64,
|
||||
};
|
||||
|
||||
crate::interrupt::subscriber::dispatch_to_subscribers(&context);
|
||||
|
||||
time::tick();
|
||||
LAPIC.get().unwrap().write(EOI, 0);
|
||||
}
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
pub mod apic;
|
||||
pub mod gdt;
|
||||
pub mod idt;
|
||||
pub mod subscriber;
|
||||
|
||||
68
nel_os_kernel/src/interrupt/subscriber.rs
Normal file
68
nel_os_kernel/src/interrupt/subscriber.rs
Normal file
@ -0,0 +1,68 @@
|
||||
use spin::Mutex;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct InterruptContext {
|
||||
pub vector: u8,
|
||||
pub instruction_pointer: u64,
|
||||
pub code_segment: u64,
|
||||
pub cpu_flags: u64,
|
||||
pub stack_pointer: u64,
|
||||
pub stack_segment: u64,
|
||||
}
|
||||
|
||||
pub type SubscriberCallback = fn(*mut core::ffi::c_void, &InterruptContext);
|
||||
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct Subscriber {
|
||||
pub callback: SubscriberCallback,
|
||||
pub context: *mut core::ffi::c_void,
|
||||
}
|
||||
|
||||
unsafe impl Send for Subscriber {}
|
||||
unsafe impl Sync for Subscriber {}
|
||||
|
||||
const MAX_SUBSCRIBERS: usize = 10;
|
||||
|
||||
static SUBSCRIBERS: Mutex<[Option<Subscriber>; MAX_SUBSCRIBERS]> =
|
||||
Mutex::new([None; MAX_SUBSCRIBERS]);
|
||||
|
||||
pub fn subscribe(
|
||||
callback: SubscriberCallback,
|
||||
context: *mut core::ffi::c_void,
|
||||
) -> Result<(), &'static str> {
|
||||
let mut subscribers = SUBSCRIBERS.lock();
|
||||
|
||||
for slot in subscribers.iter_mut() {
|
||||
if slot.is_none() {
|
||||
*slot = Some(Subscriber { callback, context });
|
||||
return Ok(());
|
||||
}
|
||||
}
|
||||
|
||||
Err("No available subscriber slots")
|
||||
}
|
||||
|
||||
pub fn unsubscribe(callback: SubscriberCallback) -> Result<(), &'static str> {
|
||||
let mut subscribers = SUBSCRIBERS.lock();
|
||||
|
||||
for slot in subscribers.iter_mut() {
|
||||
if let Some(subscriber) = slot {
|
||||
if core::ptr::fn_addr_eq(subscriber.callback, callback) {
|
||||
*slot = None;
|
||||
return Ok(());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Err("Subscriber not found")
|
||||
}
|
||||
|
||||
pub fn dispatch_to_subscribers(context: &InterruptContext) {
|
||||
let subscribers = SUBSCRIBERS.lock();
|
||||
|
||||
for subscriber in subscribers.iter() {
|
||||
if let Some(subscriber) = subscriber {
|
||||
(subscriber.callback)(subscriber.context, context);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -82,6 +82,8 @@ fn hlt_loop() -> ! {
|
||||
|
||||
#[unsafe(no_mangle)]
|
||||
pub extern "sysv64" fn main(boot_info: &nel_os_common::BootInfo) {
|
||||
serial::disable_screen_output();
|
||||
|
||||
interrupt::gdt::init();
|
||||
interrupt::idt::init_idt();
|
||||
|
||||
@ -96,10 +98,13 @@ pub extern "sysv64" fn main(boot_info: &nel_os_common::BootInfo) {
|
||||
|
||||
let ranges = boot_info.usable_memory.ranges();
|
||||
let mut count = 0;
|
||||
let mut max_range = 0;
|
||||
for range in ranges {
|
||||
count += range.end - range.start;
|
||||
max_range = max_range.max(range.end);
|
||||
}
|
||||
info!("Usable memory: {}MiB", count / 1024 / 1024);
|
||||
memory::memory::MAX_MEMORY.call_once(|| max_range as usize * 2);
|
||||
|
||||
let mut bitmap_table = BitmapMemoryTable::init(&boot_info.usable_memory);
|
||||
info!(
|
||||
@ -126,10 +131,15 @@ pub extern "sysv64" fn main(boot_info: &nel_os_common::BootInfo) {
|
||||
|
||||
allocator::init_heap(&mut mapper, &mut bitmap_table).unwrap();
|
||||
|
||||
let frame_buffer = FrameBuffer::from_raw_buffer(&boot_info.frame_buffer, (64, 64, 64));
|
||||
frame_buffer.clear();
|
||||
if boot_info.frame_buffer.is_some() {
|
||||
let frame_buffer =
|
||||
FrameBuffer::from_raw_buffer(&boot_info.frame_buffer.as_ref().unwrap(), (64, 64, 64));
|
||||
frame_buffer.clear();
|
||||
|
||||
FRAME_BUFFER.lock().replace(frame_buffer);
|
||||
FRAME_BUFFER.lock().replace(frame_buffer);
|
||||
} else {
|
||||
error!("No frame buffer found");
|
||||
}
|
||||
|
||||
println!("");
|
||||
info!("Kernel initialized successfully");
|
||||
@ -150,20 +160,20 @@ pub extern "sysv64" fn main(boot_info: &nel_os_common::BootInfo) {
|
||||
usable_frame as f64 * 4. / 1024. / 1024.
|
||||
);
|
||||
|
||||
info!("RSDP: {:#x}", boot_info.rsdp);
|
||||
if let Some(rsdp) = boot_info.rsdp {
|
||||
info!("RSDP: {:#x}", rsdp);
|
||||
|
||||
let acpi_tables =
|
||||
unsafe { AcpiTables::from_rsdp(KernelAcpiHandler, boot_info.rsdp as usize) }.unwrap();
|
||||
let platform_info = acpi_tables.platform_info().unwrap();
|
||||
let acpi_tables =
|
||||
unsafe { AcpiTables::from_rsdp(KernelAcpiHandler, rsdp as usize) }.unwrap();
|
||||
let platform_info = acpi_tables.platform_info().unwrap();
|
||||
|
||||
apic::init_local_apic(platform_info);
|
||||
info!("Local APIC initialized",);
|
||||
apic::init_local_apic(platform_info);
|
||||
info!("Local APIC initialized",);
|
||||
|
||||
x86_64::instructions::interrupts::enable();
|
||||
x86_64::instructions::interrupts::enable();
|
||||
|
||||
info!("Interrupts enabled");
|
||||
|
||||
serial::disable_screen_output();
|
||||
info!("Interrupts enabled");
|
||||
}
|
||||
|
||||
BZIMAGE_ADDR.call_once(|| boot_info.bzimage_addr);
|
||||
BZIMAGE_SIZE.call_once(|| boot_info.bzimage_size);
|
||||
|
||||
@ -1,12 +1,19 @@
|
||||
use core::slice;
|
||||
|
||||
use nel_os_common::memory::{self, UsableMemory};
|
||||
use spin::Once;
|
||||
use x86_64::{
|
||||
structures::paging::{FrameAllocator, PhysFrame, Size4KiB},
|
||||
PhysAddr,
|
||||
};
|
||||
|
||||
use crate::constant::{BITS_PER_ENTRY, ENTRY_COUNT, PAGE_SIZE};
|
||||
use crate::constant::{BITS_PER_ENTRY, PAGE_SIZE};
|
||||
|
||||
pub static MAX_MEMORY: Once<usize> = Once::new();
|
||||
|
||||
pub fn get_entry_count() -> usize {
|
||||
MAX_MEMORY.get().unwrap_or(&0) / PAGE_SIZE / BITS_PER_ENTRY
|
||||
}
|
||||
|
||||
pub struct BitmapMemoryTable {
|
||||
pub used_map: &'static mut [usize],
|
||||
@ -21,16 +28,17 @@ impl BitmapMemoryTable {
|
||||
max_addr = max_addr.max(range.end);
|
||||
}
|
||||
|
||||
let bitmap_size = ENTRY_COUNT * core::mem::size_of::<usize>();
|
||||
let entry_count = get_entry_count();
|
||||
let bitmap_size = entry_count * core::mem::size_of::<usize>();
|
||||
|
||||
let bitmap_addr = ((max_addr as usize).saturating_sub(bitmap_size)) & !(PAGE_SIZE - 1);
|
||||
|
||||
let used_map = unsafe {
|
||||
let ptr = bitmap_addr as *mut usize;
|
||||
slice::from_raw_parts_mut(ptr, ENTRY_COUNT)
|
||||
slice::from_raw_parts_mut(ptr, entry_count)
|
||||
};
|
||||
|
||||
(0..ENTRY_COUNT).for_each(|i| {
|
||||
(0..entry_count).for_each(|i| {
|
||||
used_map[i] = 0;
|
||||
});
|
||||
|
||||
@ -50,8 +58,8 @@ impl BitmapMemoryTable {
|
||||
table.set_frame(bitmap_start_frame + i, false);
|
||||
}
|
||||
|
||||
for i in 0..ENTRY_COUNT {
|
||||
let index = ENTRY_COUNT - i - 1;
|
||||
for i in 0..entry_count {
|
||||
let index = entry_count - i - 1;
|
||||
if table.used_map[index] != 0 {
|
||||
let offset = 63 - table.used_map[index].leading_zeros();
|
||||
table.end = index * BITS_PER_ENTRY + (BITS_PER_ENTRY - offset as usize);
|
||||
|
||||
@ -10,6 +10,12 @@ pub fn load_kernel(vcpu: &mut dyn VCpu) -> Result<(), &'static str> {
|
||||
let kernel =
|
||||
unsafe { core::slice::from_raw_parts(*kernel_addr as *const u8, *kernel_size as usize) };
|
||||
|
||||
let initrd_addr = crate::ROOTFS_ADDR.get().unwrap();
|
||||
let initrd_size = crate::ROOTFS_SIZE.get().unwrap();
|
||||
|
||||
let initrd =
|
||||
unsafe { core::slice::from_raw_parts(*initrd_addr as *const u8, *initrd_size as usize) };
|
||||
|
||||
info!("Creating boot parameters");
|
||||
let guest_mem_size = vcpu.get_guest_memory_size();
|
||||
let mut bp = BootParams::from_bytes(kernel)?;
|
||||
@ -23,6 +29,8 @@ pub fn load_kernel(vcpu: &mut dyn VCpu) -> Result<(), &'static str> {
|
||||
bp.hdr.loadflags.set_keep_segments(true);
|
||||
bp.hdr.cmd_line_ptr = LAYOUT_CMDLINE as u32;
|
||||
bp.hdr.vid_mode = 0xFFFF;
|
||||
bp.hdr.ramdisk_image = LAYOUT_INITRD as u32;
|
||||
bp.hdr.ramdisk_size = initrd.len() as u32;
|
||||
|
||||
bp.add_e820_entry(0, LAYOUT_KERNEL_BASE, E820Type::Ram);
|
||||
bp.add_e820_entry(
|
||||
@ -65,6 +73,9 @@ pub fn load_kernel(vcpu: &mut dyn VCpu) -> Result<(), &'static str> {
|
||||
LAYOUT_KERNEL_BASE as usize,
|
||||
)?;
|
||||
|
||||
info!("Loading initrd image into guest memory");
|
||||
load_image(vcpu, initrd, LAYOUT_INITRD as usize)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
||||
@ -1,4 +1,7 @@
|
||||
use crate::vmm::x86_64::{common, intel::vmcs};
|
||||
use crate::vmm::x86_64::{
|
||||
common,
|
||||
intel::{vmcs, vmwrite},
|
||||
};
|
||||
|
||||
pub fn setup_exec_controls() -> Result<(), &'static str> {
|
||||
let basic_msr = common::read_msr(0x480);
|
||||
@ -12,8 +15,8 @@ pub fn setup_exec_controls() -> Result<(), &'static str> {
|
||||
raw_pin_exec_ctrl |= (reserved_bits & 0xFFFFFFFF) as u32;
|
||||
raw_pin_exec_ctrl &= (reserved_bits >> 32) as u32;
|
||||
|
||||
let pin_exec_ctrl = vmcs::controls::PinBasedVmExecutionControls::from(raw_pin_exec_ctrl);
|
||||
//pin_exec_ctrl.set_external_interrupt_exiting(false);
|
||||
let mut pin_exec_ctrl = vmcs::controls::PinBasedVmExecutionControls::from(raw_pin_exec_ctrl);
|
||||
pin_exec_ctrl.set_external_interrupt_exiting(true);
|
||||
|
||||
pin_exec_ctrl.write()?;
|
||||
|
||||
@ -33,6 +36,8 @@ pub fn setup_exec_controls() -> Result<(), &'static str> {
|
||||
primary_exec_ctrl.set_hlt(true);
|
||||
primary_exec_ctrl.set_activate_secondary_controls(true);
|
||||
primary_exec_ctrl.set_use_msr_bitmap(false);
|
||||
primary_exec_ctrl.set_unconditional_io(false);
|
||||
primary_exec_ctrl.set_use_io_bitmap(true);
|
||||
|
||||
primary_exec_ctrl.write()?;
|
||||
|
||||
@ -55,6 +60,9 @@ pub fn setup_exec_controls() -> Result<(), &'static str> {
|
||||
|
||||
secondary_exec_ctrl.write()?;
|
||||
|
||||
vmwrite(x86::vmx::vmcs::control::CR0_GUEST_HOST_MASK, u64::MAX)?;
|
||||
vmwrite(x86::vmx::vmcs::control::CR4_GUEST_HOST_MASK, u64::MAX)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@ -101,7 +109,7 @@ pub fn setup_exit_controls() -> Result<(), &'static str> {
|
||||
|
||||
exit_ctrl.write()?;
|
||||
|
||||
//vmwrite(0x4004, 1u64 << 6)?; // EXCEPTION_BITMAP
|
||||
vmwrite(0x4004, 1u64 << x86::irq::INVALID_OPCODE_VECTOR)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
166
nel_os_kernel/src/vmm/x86_64/intel/cr.rs
Normal file
166
nel_os_kernel/src/vmm/x86_64/intel/cr.rs
Normal file
@ -0,0 +1,166 @@
|
||||
use x86::vmx::vmcs;
|
||||
|
||||
use crate::vmm::x86_64::{
|
||||
common::read_msr,
|
||||
intel::{
|
||||
qual::{AccessType, QualCr, Register},
|
||||
vcpu::IntelVCpu,
|
||||
vmread, vmwrite,
|
||||
},
|
||||
};
|
||||
|
||||
pub fn handle_cr_access(vcpu: &mut IntelVCpu, qual: &QualCr) -> Result<(), &'static str> {
|
||||
match qual.access_type() {
|
||||
AccessType::MovTo => match qual.index() {
|
||||
0 | 4 => {
|
||||
passthrough_write(vcpu, qual)?;
|
||||
update_ia32e(vcpu)?;
|
||||
}
|
||||
_ => panic!("Unsupported CR index: {}", qual.index()),
|
||||
},
|
||||
AccessType::MovFrom => passthrough_read(vcpu, qual)?,
|
||||
_ => {
|
||||
panic!("Unsupported CR access type: {:?}", qual.access_type());
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn passthrough_read(vcpu: &mut IntelVCpu, qual: &QualCr) -> Result<(), &'static str> {
|
||||
let value = match qual.index() {
|
||||
3 => vmread(x86::vmx::vmcs::guest::CR3)?,
|
||||
_ => panic!("Unsupported CR index: {}", qual.index()),
|
||||
};
|
||||
|
||||
set_value(vcpu, qual, value)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn passthrough_write(vcpu: &mut IntelVCpu, qual: &QualCr) -> Result<(), &'static str> {
|
||||
let value = get_value(vcpu, qual)?;
|
||||
match qual.index() {
|
||||
0 => {
|
||||
vmwrite(vmcs::guest::CR0, adjust_cr0(value))?;
|
||||
vmwrite(vmcs::control::CR0_READ_SHADOW, value)?;
|
||||
}
|
||||
4 => {
|
||||
vmwrite(vmcs::guest::CR4, adjust_cr4(value))?;
|
||||
vmwrite(vmcs::control::CR4_READ_SHADOW, value)?;
|
||||
}
|
||||
_ => {
|
||||
panic!("Unsupported CR index: {}", qual.index());
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn update_ia32e(vcpu: &mut IntelVCpu) -> Result<(), &'static str> {
|
||||
let cr0 = vmread(x86::vmx::vmcs::guest::CR0)?;
|
||||
let cr4 = vmread(x86::vmx::vmcs::guest::CR4)?;
|
||||
let ia32e_enabled = (cr0 & 1 << 31) != 0 && (cr4 & 1 << 5) != 0;
|
||||
|
||||
vcpu.ia32e_enabled = ia32e_enabled;
|
||||
|
||||
let mut entry_ctrl = super::vmcs::controls::EntryControls::read()?;
|
||||
entry_ctrl.set_ia32e_mode_guest(ia32e_enabled);
|
||||
entry_ctrl.write()?;
|
||||
|
||||
let mut efer = vmread(x86::vmx::vmcs::guest::IA32_EFER_FULL)?;
|
||||
|
||||
let lma = (vcpu.ia32e_enabled as u64) << 10;
|
||||
if lma != 0 {
|
||||
efer |= lma;
|
||||
} else {
|
||||
efer &= !lma;
|
||||
}
|
||||
|
||||
let lme = if cr0 & (1 << 31) != 0 {
|
||||
efer & (1 << 10)
|
||||
} else {
|
||||
efer & !(1 << 8)
|
||||
};
|
||||
if lme != 0 {
|
||||
efer |= lme;
|
||||
} else {
|
||||
efer &= lme;
|
||||
}
|
||||
|
||||
vmwrite(x86::vmx::vmcs::guest::IA32_EFER_FULL, efer)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn adjust_cr0(value: u64) -> u64 {
|
||||
let mut result = value;
|
||||
|
||||
let cr0_fixed0 = read_msr(x86::msr::IA32_VMX_CR0_FIXED0);
|
||||
let cr0_fixed1 = read_msr(x86::msr::IA32_VMX_CR0_FIXED1);
|
||||
|
||||
result |= cr0_fixed0;
|
||||
result &= cr0_fixed1;
|
||||
|
||||
result
|
||||
}
|
||||
|
||||
pub fn adjust_cr4(value: u64) -> u64 {
|
||||
let mut result = value;
|
||||
|
||||
let cr4_fixed0 = read_msr(x86::msr::IA32_VMX_CR4_FIXED0);
|
||||
let cr4_fixed1 = read_msr(x86::msr::IA32_VMX_CR4_FIXED1);
|
||||
|
||||
result |= cr4_fixed0;
|
||||
result &= cr4_fixed1;
|
||||
|
||||
result
|
||||
}
|
||||
|
||||
fn set_value(vcpu: &mut IntelVCpu, qual: &QualCr, value: u64) -> Result<(), &'static str> {
|
||||
let guest_regs = &mut vcpu.guest_registers;
|
||||
|
||||
match qual.register() {
|
||||
Register::Rax => guest_regs.rax = value,
|
||||
Register::Rcx => guest_regs.rcx = value,
|
||||
Register::Rdx => guest_regs.rdx = value,
|
||||
Register::Rbx => guest_regs.rbx = value,
|
||||
Register::Rbp => guest_regs.rbp = value,
|
||||
Register::Rsi => guest_regs.rsi = value,
|
||||
Register::Rdi => guest_regs.rdi = value,
|
||||
Register::R8 => guest_regs.r8 = value,
|
||||
Register::R9 => guest_regs.r9 = value,
|
||||
Register::R10 => guest_regs.r10 = value,
|
||||
Register::R11 => guest_regs.r11 = value,
|
||||
Register::R12 => guest_regs.r12 = value,
|
||||
Register::R13 => guest_regs.r13 = value,
|
||||
Register::R14 => guest_regs.r14 = value,
|
||||
Register::R15 => guest_regs.r15 = value,
|
||||
Register::Rsp => vmwrite(x86::vmx::vmcs::guest::RSP, value)?,
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn get_value(vcpu: &mut IntelVCpu, qual: &QualCr) -> Result<u64, &'static str> {
|
||||
let guest_regs = &mut vcpu.guest_registers;
|
||||
|
||||
Ok(match qual.register() {
|
||||
Register::Rax => guest_regs.rax,
|
||||
Register::Rcx => guest_regs.rcx,
|
||||
Register::Rdx => guest_regs.rdx,
|
||||
Register::Rbx => guest_regs.rbx,
|
||||
Register::Rbp => guest_regs.rbp,
|
||||
Register::Rsi => guest_regs.rsi,
|
||||
Register::Rdi => guest_regs.rdi,
|
||||
Register::R8 => guest_regs.r8,
|
||||
Register::R9 => guest_regs.r9,
|
||||
Register::R10 => guest_regs.r10,
|
||||
Register::R11 => guest_regs.r11,
|
||||
Register::R12 => guest_regs.r12,
|
||||
Register::R13 => guest_regs.r13,
|
||||
Register::R14 => guest_regs.r14,
|
||||
Register::R15 => guest_regs.r15,
|
||||
Register::Rsp => vmread(x86::vmx::vmcs::guest::RSP)?,
|
||||
})
|
||||
}
|
||||
67
nel_os_kernel/src/vmm/x86_64/intel/fpu.rs
Normal file
67
nel_os_kernel/src/vmm/x86_64/intel/fpu.rs
Normal file
@ -0,0 +1,67 @@
|
||||
use modular_bitfield::{bitfield, prelude::B44};
|
||||
|
||||
use crate::vmm::x86_64::intel::vcpu::IntelVCpu;
|
||||
|
||||
#[bitfield]
|
||||
#[repr(u64)]
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct XCR0 {
|
||||
pub x87: bool,
|
||||
pub sse: bool,
|
||||
pub avx: bool,
|
||||
pub bndreg: bool,
|
||||
pub bndcsr: bool,
|
||||
pub opmask: bool,
|
||||
pub zmm_hi256: bool,
|
||||
pub hi16_zmm: bool,
|
||||
pub pt: bool,
|
||||
pub pkru: bool,
|
||||
pub pasid: bool,
|
||||
pub cet_u: bool,
|
||||
pub cet_s: bool,
|
||||
pub hdc: bool,
|
||||
pub intr: bool,
|
||||
pub lbr: bool,
|
||||
pub hwp: bool,
|
||||
pub xtilecfg: bool,
|
||||
pub xtiledata: bool,
|
||||
pub apx: bool,
|
||||
#[skip]
|
||||
_reserved: B44,
|
||||
}
|
||||
|
||||
pub fn set_xcr(vcpu: &mut IntelVCpu, index: u32, xcr: u64) -> Result<(), &'static str> {
|
||||
if index != 0 {
|
||||
return Err("Invalid XCR index");
|
||||
}
|
||||
|
||||
if !(xcr & 0b1 != 0) {
|
||||
return Err("X87 is not enabled");
|
||||
}
|
||||
|
||||
if (xcr & 0b100 != 0) && !(xcr & 0b10 != 0) {
|
||||
return Err("SSE is not enabled");
|
||||
}
|
||||
|
||||
if !(xcr & 0b1000) != (!(xcr & 0b10000)) {
|
||||
return Err("BNDREGS and BNDCSR are not both enabled");
|
||||
}
|
||||
|
||||
if xcr & 0b11100000 != 0 {
|
||||
if !(xcr & 0b100 != 0) {
|
||||
return Err("YMM bits are not enabled");
|
||||
}
|
||||
|
||||
if (xcr & 0b11100000) != 0b11100000 {
|
||||
return Err("Invalid bits set in XCR0");
|
||||
}
|
||||
}
|
||||
|
||||
if (xcr & 0b1000000000000 != 0) && (xcr & 0b1000000000000 != 0b1000000000000) {
|
||||
return Err("xtile bits are not both enabled");
|
||||
}
|
||||
|
||||
vcpu.guest_xcr0 = XCR0::from(xcr);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
367
nel_os_kernel/src/vmm/x86_64/intel/io.rs
Normal file
367
nel_os_kernel/src/vmm/x86_64/intel/io.rs
Normal file
@ -0,0 +1,367 @@
|
||||
use x86::vmx::{self, vmcs};
|
||||
use x86_64::structures::paging::{FrameAllocator, PhysFrame, Size4KiB};
|
||||
|
||||
use super::qual::QualIo;
|
||||
use crate::{
|
||||
info,
|
||||
interrupt::subscriber::InterruptContext,
|
||||
vmm::x86_64::intel::{
|
||||
register::GuestRegisters, vmcs::controls::EntryIntrInfo, vmread, vmwrite,
|
||||
},
|
||||
};
|
||||
|
||||
pub fn vmm_interrupt_subscriber(vcpu_ptr: *mut core::ffi::c_void, context: &InterruptContext) {
|
||||
if vcpu_ptr.is_null() {
|
||||
return;
|
||||
}
|
||||
|
||||
let vcpu = unsafe { &mut *(vcpu_ptr as *mut super::vcpu::IntelVCpu) };
|
||||
|
||||
if 0x20 <= context.vector && context.vector <= 0x20 + 16 {
|
||||
let irq = context.vector - 0x20;
|
||||
vcpu.pending_irq |= 1 << irq;
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum InitPhase {
|
||||
Uninitialized,
|
||||
Phase1,
|
||||
Phase2,
|
||||
Phase3,
|
||||
Initialized,
|
||||
}
|
||||
|
||||
pub enum ReadSel {
|
||||
IRR,
|
||||
ISR,
|
||||
}
|
||||
|
||||
pub struct PIC {
|
||||
pub primary_mask: u8,
|
||||
pub secondary_mask: u8,
|
||||
pub primary_phase: InitPhase,
|
||||
pub secondary_phase: InitPhase,
|
||||
pub primary_base: u8,
|
||||
pub secondary_base: u8,
|
||||
pub primary_irr: u8,
|
||||
pub primary_isr: u8,
|
||||
pub secondary_irr: u8,
|
||||
pub secondary_isr: u8,
|
||||
pub primary_read_sel: ReadSel,
|
||||
pub secondary_read_sel: ReadSel,
|
||||
}
|
||||
|
||||
impl PIC {
|
||||
pub fn new() -> Self {
|
||||
Self {
|
||||
primary_mask: 0xFF,
|
||||
secondary_mask: 0xFF,
|
||||
primary_phase: InitPhase::Uninitialized,
|
||||
secondary_phase: InitPhase::Uninitialized,
|
||||
primary_base: 0,
|
||||
secondary_base: 0,
|
||||
primary_irr: 0,
|
||||
primary_isr: 0,
|
||||
secondary_irr: 0,
|
||||
secondary_isr: 0,
|
||||
primary_read_sel: ReadSel::IRR,
|
||||
secondary_read_sel: ReadSel::IRR,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn handle_io(&mut self, regs: &mut GuestRegisters, qual: QualIo) {
|
||||
match qual.direction() {
|
||||
0 => {
|
||||
self.handle_io_out(regs, qual);
|
||||
}
|
||||
1 => {
|
||||
self.handle_io_in(regs, qual);
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn inject_external_interrupt(
|
||||
&mut self,
|
||||
pending_irq: &mut u16,
|
||||
) -> Result<bool, &'static str> {
|
||||
let pending = *pending_irq;
|
||||
|
||||
if pending == 0 {
|
||||
return Ok(false);
|
||||
}
|
||||
|
||||
if self.primary_phase != InitPhase::Initialized {
|
||||
return Ok(false);
|
||||
}
|
||||
|
||||
let eflags = vmread(vmx::vmcs::guest::RFLAGS)?;
|
||||
if eflags >> 9 & 1 == 0 {
|
||||
return Ok(false);
|
||||
}
|
||||
|
||||
let interruptibility = vmread(vmx::vmcs::guest::INTERRUPTIBILITY_STATE)?;
|
||||
if interruptibility & 0x3 != 0 {
|
||||
return Ok(false);
|
||||
}
|
||||
|
||||
let is_secondary_masked = (self.primary_mask >> 2) & 1 != 0;
|
||||
|
||||
for i in 0..16 {
|
||||
if is_secondary_masked && i >= 8 {
|
||||
continue;
|
||||
}
|
||||
|
||||
let irq_bit = 1 << i;
|
||||
if pending & irq_bit == 0 {
|
||||
continue;
|
||||
}
|
||||
|
||||
let delta = if i < 8 { i } else { i - 8 };
|
||||
let is_masked = if i < 8 {
|
||||
(self.primary_mask >> delta) & 1 != 0
|
||||
} else {
|
||||
let is_irq_masked = (self.secondary_mask >> delta) & 1 != 0;
|
||||
is_secondary_masked || is_irq_masked
|
||||
};
|
||||
|
||||
if is_masked {
|
||||
continue;
|
||||
}
|
||||
|
||||
let interrupt_info = EntryIntrInfo::new()
|
||||
.with_vector(
|
||||
delta as u8
|
||||
+ if i < 8 {
|
||||
self.primary_base
|
||||
} else {
|
||||
self.secondary_base
|
||||
},
|
||||
)
|
||||
.with_typ(0)
|
||||
.with_ec_available(false)
|
||||
.with_valid(true);
|
||||
|
||||
vmwrite(
|
||||
vmx::vmcs::control::VMENTRY_INTERRUPTION_INFO_FIELD,
|
||||
u32::from(interrupt_info) as u64,
|
||||
)?;
|
||||
|
||||
*pending_irq &= !irq_bit;
|
||||
return Ok(true);
|
||||
}
|
||||
|
||||
Ok(false)
|
||||
}
|
||||
|
||||
pub fn inject_exception(
|
||||
&mut self,
|
||||
vector: u32,
|
||||
error_code: Option<u32>,
|
||||
) -> Result<(), &'static str> {
|
||||
let has_error_code = match vector {
|
||||
8 | 10..=14 | 17 | 21 => true,
|
||||
_ => false,
|
||||
};
|
||||
|
||||
let interrupt_info = EntryIntrInfo::new()
|
||||
.with_vector(vector as u8)
|
||||
.with_typ(3)
|
||||
.with_ec_available(has_error_code)
|
||||
.with_valid(true);
|
||||
|
||||
vmwrite(
|
||||
vmx::vmcs::control::VMENTRY_INTERRUPTION_INFO_FIELD,
|
||||
u32::from(interrupt_info) as u64,
|
||||
)?;
|
||||
|
||||
if has_error_code {
|
||||
let ec = error_code.unwrap_or(0);
|
||||
vmwrite(vmx::vmcs::control::VMENTRY_EXCEPTION_ERR_CODE, ec as u64)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn handle_io_in(&self, regs: &mut GuestRegisters, qual: QualIo) {
|
||||
match qual.port() {
|
||||
0x0CF8..=0x0CFF => regs.rax = 0,
|
||||
0xC000..=0xCFFF => {} //ignore
|
||||
0x20..=0x21 => self.handle_pic_in(regs, qual),
|
||||
0xA0..=0xA1 => self.handle_pic_in(regs, qual),
|
||||
0x0070..=0x0071 => regs.rax = 0,
|
||||
_ => regs.rax = 0,
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_io_out(&mut self, regs: &mut GuestRegisters, qual: QualIo) {
|
||||
match qual.port() {
|
||||
0x0CF8..=0x0CFF => {} //ignore
|
||||
0xC000..=0xCFFF => {} //ignore
|
||||
0x20..=0x21 => self.handle_pic_out(regs, qual),
|
||||
0xA0..=0xA1 => self.handle_pic_out(regs, qual),
|
||||
0x0070..=0x0071 => {} //ignore
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_pic_in(&self, regs: &mut GuestRegisters, qual: QualIo) {
|
||||
match qual.port() {
|
||||
0x20 => {
|
||||
let v = match self.primary_read_sel {
|
||||
ReadSel::IRR => self.primary_irr,
|
||||
ReadSel::ISR => self.primary_isr,
|
||||
};
|
||||
regs.rax = v as u64;
|
||||
}
|
||||
0xA0 => {
|
||||
let v = match self.secondary_read_sel {
|
||||
ReadSel::IRR => self.secondary_irr,
|
||||
ReadSel::ISR => self.secondary_isr,
|
||||
};
|
||||
regs.rax = v as u64;
|
||||
}
|
||||
0x21 => match self.primary_phase {
|
||||
InitPhase::Uninitialized | InitPhase::Initialized => {
|
||||
regs.rax = self.primary_mask as u64;
|
||||
}
|
||||
_ => {}
|
||||
},
|
||||
0xA1 => match self.secondary_phase {
|
||||
InitPhase::Uninitialized | InitPhase::Initialized => {
|
||||
regs.rax = self.secondary_mask as u64;
|
||||
}
|
||||
_ => {}
|
||||
},
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_pic_out(&mut self, regs: &mut GuestRegisters, qual: QualIo) {
|
||||
let pic = self;
|
||||
let dx = regs.rax as u8;
|
||||
match qual.port() {
|
||||
0x20 => match dx {
|
||||
0x11 => pic.primary_phase = InitPhase::Phase1,
|
||||
0x0A => pic.primary_read_sel = ReadSel::ISR,
|
||||
0x0B => pic.primary_read_sel = ReadSel::IRR,
|
||||
0x20 => {
|
||||
pic.primary_isr = 0;
|
||||
}
|
||||
0x60..=0x67 => {
|
||||
let irq = dx & 0x7;
|
||||
pic.primary_isr &= !(1 << irq);
|
||||
}
|
||||
_ => panic!("Primary PIC command: {:#x}", dx),
|
||||
},
|
||||
0x21 => match pic.primary_phase {
|
||||
InitPhase::Uninitialized | InitPhase::Initialized => pic.primary_mask = dx,
|
||||
InitPhase::Phase1 => {
|
||||
pic.primary_base = dx;
|
||||
pic.primary_phase = InitPhase::Phase2;
|
||||
}
|
||||
InitPhase::Phase2 => {
|
||||
pic.primary_phase = InitPhase::Phase3;
|
||||
}
|
||||
InitPhase::Phase3 => {
|
||||
info!("Primary PIC Initialized");
|
||||
pic.primary_phase = InitPhase::Initialized
|
||||
}
|
||||
},
|
||||
0xA0 => match dx {
|
||||
0x11 => pic.secondary_phase = InitPhase::Phase1,
|
||||
0x0A => pic.secondary_read_sel = ReadSel::ISR,
|
||||
0x0B => pic.secondary_read_sel = ReadSel::IRR,
|
||||
0x20 => {
|
||||
pic.secondary_isr = 0;
|
||||
}
|
||||
0x60..=0x67 => {
|
||||
let irq = dx & 0x7;
|
||||
pic.secondary_isr &= !(1 << irq);
|
||||
}
|
||||
_ => panic!("Secondary PIC command: {:#x}", dx),
|
||||
},
|
||||
0xA1 => match pic.secondary_phase {
|
||||
InitPhase::Uninitialized | InitPhase::Initialized => pic.secondary_mask = dx,
|
||||
InitPhase::Phase1 => {
|
||||
pic.secondary_base = dx;
|
||||
pic.secondary_phase = InitPhase::Phase2;
|
||||
}
|
||||
InitPhase::Phase2 => {
|
||||
pic.secondary_phase = InitPhase::Phase3;
|
||||
}
|
||||
InitPhase::Phase3 => {
|
||||
info!("Secondary PIC Initialized");
|
||||
pic.secondary_phase = InitPhase::Initialized
|
||||
}
|
||||
},
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct IOBitmap {
|
||||
pub bitmap_a: PhysFrame,
|
||||
pub bitmap_b: PhysFrame,
|
||||
}
|
||||
|
||||
impl IOBitmap {
|
||||
pub fn new(frame_allocator: &mut impl FrameAllocator<Size4KiB>) -> Self {
|
||||
let bitmap_a = frame_allocator
|
||||
.allocate_frame()
|
||||
.expect("Failed to allocate I/O bitmap A");
|
||||
let bitmap_b = frame_allocator
|
||||
.allocate_frame()
|
||||
.expect("Failed to allocate I/O bitmap B");
|
||||
|
||||
Self { bitmap_a, bitmap_b }
|
||||
}
|
||||
|
||||
pub fn setup(&mut self) -> Result<(), &'static str> {
|
||||
let bitmap_a_addr = self.bitmap_a.start_address().as_u64() as usize;
|
||||
let bitmap_b_addr = self.bitmap_b.start_address().as_u64() as usize;
|
||||
|
||||
unsafe {
|
||||
core::ptr::write_bytes(bitmap_a_addr as *mut u8, u8::MAX, 4096);
|
||||
core::ptr::write_bytes(bitmap_b_addr as *mut u8, u8::MAX, 4096);
|
||||
}
|
||||
|
||||
self.set_io_ports(0x02F8..=0x03FF);
|
||||
self.set_io_ports(0x0040..=0x0047);
|
||||
|
||||
vmwrite(vmcs::control::IO_BITMAP_A_ADDR_FULL, bitmap_a_addr as u64)?;
|
||||
vmwrite(vmcs::control::IO_BITMAP_B_ADDR_FULL, bitmap_b_addr as u64)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn set_io_ports(&mut self, ports: core::ops::RangeInclusive<u16>) {
|
||||
for port in ports {
|
||||
if port <= 0x7FFF {
|
||||
let byte_index = port as usize / 8;
|
||||
let bit_index = port as usize % 8;
|
||||
|
||||
self.get_bitmap_a()[byte_index] &= !(1 << bit_index);
|
||||
} else {
|
||||
let adjusted_port = port - 0x8000;
|
||||
let byte_index = adjusted_port as usize / 8;
|
||||
let bit_index = adjusted_port as usize % 8;
|
||||
|
||||
self.get_bitmap_b()[byte_index] &= !(1 << bit_index);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_bitmap_a(&self) -> &mut [u8] {
|
||||
unsafe {
|
||||
core::slice::from_raw_parts_mut(self.bitmap_a.start_address().as_u64() as *mut u8, 4096)
|
||||
}
|
||||
}
|
||||
|
||||
fn get_bitmap_b(&self) -> &mut [u8] {
|
||||
unsafe {
|
||||
core::slice::from_raw_parts_mut(self.bitmap_b.start_address().as_u64() as *mut u8, 4096)
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -2,8 +2,12 @@ pub mod asm;
|
||||
mod auditor;
|
||||
mod controls;
|
||||
mod cpuid;
|
||||
mod cr;
|
||||
mod ept;
|
||||
mod fpu;
|
||||
mod io;
|
||||
mod msr;
|
||||
mod qual;
|
||||
mod register;
|
||||
pub mod vcpu;
|
||||
mod vmcs;
|
||||
|
||||
@ -92,7 +92,7 @@ pub fn register_msrs(vcpu: &mut IntelVCpu) -> Result<(), MsrError> {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn update_msrs(vcpu: &mut IntelVCpu) -> Result<(), MsrError> {
|
||||
pub fn _update_msrs(vcpu: &mut IntelVCpu) -> Result<(), MsrError> {
|
||||
info!("updating MSRs");
|
||||
let indices_to_update: alloc::vec::Vec<u32> = vcpu
|
||||
.host_msr
|
||||
@ -101,8 +101,6 @@ pub fn update_msrs(vcpu: &mut IntelVCpu) -> Result<(), MsrError> {
|
||||
.map(|entry| entry.index)
|
||||
.collect();
|
||||
|
||||
info!("1");
|
||||
|
||||
for index in indices_to_update {
|
||||
info!("{}", index);
|
||||
let value = read_msr(index);
|
||||
@ -110,25 +108,21 @@ pub fn update_msrs(vcpu: &mut IntelVCpu) -> Result<(), MsrError> {
|
||||
vcpu.host_msr.set_by_index(index, value).unwrap();
|
||||
}
|
||||
|
||||
info!("2");
|
||||
vmwrite(
|
||||
vmcs::control::VMEXIT_MSR_LOAD_COUNT,
|
||||
vcpu.host_msr.saved_ents().len() as u64,
|
||||
)
|
||||
.unwrap();
|
||||
info!("3");
|
||||
vmwrite(
|
||||
vmcs::control::VMEXIT_MSR_STORE_COUNT,
|
||||
vcpu.guest_msr.saved_ents().len() as u64,
|
||||
)
|
||||
.unwrap();
|
||||
info!("4");
|
||||
vmwrite(
|
||||
vmcs::control::VMENTRY_MSR_LOAD_COUNT,
|
||||
vcpu.guest_msr.saved_ents().len() as u64,
|
||||
)
|
||||
.unwrap();
|
||||
info!("5");
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
||||
124
nel_os_kernel/src/vmm/x86_64/intel/qual.rs
Normal file
124
nel_os_kernel/src/vmm/x86_64/intel/qual.rs
Normal file
@ -0,0 +1,124 @@
|
||||
#![allow(non_snake_case)]
|
||||
|
||||
use core::convert::TryFrom;
|
||||
use core::fmt::Debug;
|
||||
|
||||
use modular_bitfield::prelude::{B1, B16, B32, B4, B8};
|
||||
use modular_bitfield::{bitfield, Specifier};
|
||||
|
||||
#[repr(u8)]
|
||||
#[derive(Specifier, Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum AccessType {
|
||||
MovTo = 0,
|
||||
MovFrom = 1,
|
||||
Clts = 2,
|
||||
Lmsw = 3,
|
||||
}
|
||||
|
||||
impl TryFrom<u8> for AccessType {
|
||||
type Error = &'static str;
|
||||
fn try_from(value: u8) -> Result<Self, Self::Error> {
|
||||
match value {
|
||||
0 => Ok(AccessType::MovTo),
|
||||
1 => Ok(AccessType::MovFrom),
|
||||
2 => Ok(AccessType::Clts),
|
||||
3 => Ok(AccessType::Lmsw),
|
||||
_ => Err("Invalid AccessType value"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(u8)]
|
||||
#[derive(Specifier, Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum LmswOperandType {
|
||||
Reg = 0,
|
||||
Mem = 1,
|
||||
}
|
||||
|
||||
impl TryFrom<u8> for LmswOperandType {
|
||||
type Error = &'static str;
|
||||
fn try_from(value: u8) -> Result<Self, Self::Error> {
|
||||
match value {
|
||||
0 => Ok(LmswOperandType::Reg),
|
||||
1 => Ok(LmswOperandType::Mem),
|
||||
_ => Err("Invalid LmswOperandType value"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(u8)]
|
||||
#[derive(Specifier, Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum Register {
|
||||
Rax = 0,
|
||||
Rcx = 1,
|
||||
Rdx = 2,
|
||||
Rbx = 3,
|
||||
Rsp = 4,
|
||||
Rbp = 5,
|
||||
Rsi = 6,
|
||||
Rdi = 7,
|
||||
R8 = 8,
|
||||
R9 = 9,
|
||||
R10 = 10,
|
||||
R11 = 11,
|
||||
R12 = 12,
|
||||
R13 = 13,
|
||||
R14 = 14,
|
||||
R15 = 15,
|
||||
}
|
||||
|
||||
impl TryFrom<u8> for Register {
|
||||
type Error = &'static str;
|
||||
fn try_from(value: u8) -> Result<Self, Self::Error> {
|
||||
match value {
|
||||
0 => Ok(Register::Rax),
|
||||
1 => Ok(Register::Rcx),
|
||||
2 => Ok(Register::Rdx),
|
||||
3 => Ok(Register::Rbx),
|
||||
4 => Ok(Register::Rsp),
|
||||
5 => Ok(Register::Rbp),
|
||||
6 => Ok(Register::Rsi),
|
||||
7 => Ok(Register::Rdi),
|
||||
8 => Ok(Register::R8),
|
||||
9 => Ok(Register::R9),
|
||||
10 => Ok(Register::R10),
|
||||
11 => Ok(Register::R11),
|
||||
12 => Ok(Register::R12),
|
||||
13 => Ok(Register::R13),
|
||||
14 => Ok(Register::R14),
|
||||
15 => Ok(Register::R15),
|
||||
_ => Err("Invalid Register value"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[bitfield]
|
||||
#[repr(u64)]
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct QualCr {
|
||||
pub index: B4,
|
||||
#[bits = 2]
|
||||
pub access_type: AccessType,
|
||||
#[bits = 1]
|
||||
pub lmsw_operand_type: LmswOperandType,
|
||||
_reserved1: B1,
|
||||
#[bits = 4]
|
||||
pub register: Register,
|
||||
_reserved2: B4,
|
||||
pub lmsw_source: B16,
|
||||
_reseved3: B32,
|
||||
}
|
||||
|
||||
#[bitfield]
|
||||
#[repr(u64)]
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct QualIo {
|
||||
pub size: B4,
|
||||
pub direction: B1,
|
||||
pub string: B1,
|
||||
pub rep: B1,
|
||||
pub operand_encoding: B1,
|
||||
_reserved1: B8,
|
||||
pub port: B16,
|
||||
_reserved2: B32,
|
||||
}
|
||||
@ -1,4 +1,10 @@
|
||||
use core::arch::{
|
||||
asm,
|
||||
x86_64::{_xgetbv, _xsetbv},
|
||||
};
|
||||
|
||||
use raw_cpuid::cpuid;
|
||||
use x86::controlregs::cr4;
|
||||
use x86_64::{
|
||||
registers::control::Cr4Flags,
|
||||
structures::paging::{FrameAllocator, Size4KiB},
|
||||
@ -6,13 +12,16 @@ use x86_64::{
|
||||
};
|
||||
|
||||
use crate::{
|
||||
info,
|
||||
info, interrupt,
|
||||
vmm::{
|
||||
x86_64::{
|
||||
common::{self, read_msr},
|
||||
intel::{
|
||||
auditor, controls, cpuid, ept,
|
||||
fpu::{self, XCR0},
|
||||
io::{vmm_interrupt_subscriber, IOBitmap},
|
||||
msr::{self, ShadowMsr},
|
||||
qual::{QualCr, QualIo},
|
||||
register::GuestRegisters,
|
||||
vmcs::{
|
||||
self,
|
||||
@ -42,6 +51,12 @@ pub struct IntelVCpu {
|
||||
guest_memory_size: u64,
|
||||
pub host_msr: ShadowMsr,
|
||||
pub guest_msr: ShadowMsr,
|
||||
pub ia32e_enabled: bool,
|
||||
pic: super::io::PIC,
|
||||
io_bitmap: IOBitmap,
|
||||
pub pending_irq: u16,
|
||||
pub host_xcr0: u64,
|
||||
pub guest_xcr0: XCR0,
|
||||
}
|
||||
|
||||
impl IntelVCpu {
|
||||
@ -72,11 +87,25 @@ impl IntelVCpu {
|
||||
|
||||
match exit_reason {
|
||||
VmxExitReason::HLT => {
|
||||
info!("VM hlt");
|
||||
let injected = self
|
||||
.pic
|
||||
.inject_external_interrupt(&mut self.pending_irq)
|
||||
.unwrap_or(false);
|
||||
|
||||
if !injected {
|
||||
unsafe {
|
||||
asm!("sti");
|
||||
asm!("nop");
|
||||
asm!("cli");
|
||||
}
|
||||
}
|
||||
|
||||
vmwrite(vmcs::guest::ACTIVITY_STATE, 0)?;
|
||||
vmwrite(vmcs::guest::INTERRUPTIBILITY_STATE, 0)?;
|
||||
|
||||
self.step_next_inst()?;
|
||||
}
|
||||
VmxExitReason::CPUID => {
|
||||
info!("VM exit reason: CPUID");
|
||||
cpuid::handle_cpuid_vmexit(self);
|
||||
self.step_next_inst()?;
|
||||
}
|
||||
@ -88,11 +117,124 @@ impl IntelVCpu {
|
||||
msr::ShadowMsr::handle_wrmsr_vmexit(self);
|
||||
self.step_next_inst()?;
|
||||
}
|
||||
VmxExitReason::CONTROL_REGISTER_ACCESSES => {
|
||||
let qual = vmread(vmcs::ro::EXIT_QUALIFICATION)?;
|
||||
let qual = QualCr::from(qual);
|
||||
|
||||
super::cr::handle_cr_access(self, &qual)?;
|
||||
|
||||
self.step_next_inst()?;
|
||||
}
|
||||
VmxExitReason::XSETBV => {
|
||||
fpu::set_xcr(
|
||||
self,
|
||||
self.guest_registers.rcx as u32,
|
||||
self.guest_registers.rax,
|
||||
)?;
|
||||
|
||||
self.step_next_inst()?;
|
||||
}
|
||||
VmxExitReason::IO_INSTRUCTION => {
|
||||
let qual = vmread(vmcs::ro::EXIT_QUALIFICATION)?;
|
||||
let qual_io = QualIo::from(qual);
|
||||
|
||||
self.pic.handle_io(&mut self.guest_registers, qual_io);
|
||||
|
||||
self.step_next_inst()?;
|
||||
}
|
||||
VmxExitReason::EXTERNAL_INTERRUPT => {
|
||||
vmwrite(vmcs::ro::VMEXIT_INTERRUPTION_INFO, 0)?;
|
||||
|
||||
unsafe {
|
||||
asm!("sti");
|
||||
asm!("nop");
|
||||
asm!("cli");
|
||||
}
|
||||
|
||||
self.pic.inject_external_interrupt(&mut self.pending_irq)?;
|
||||
}
|
||||
VmxExitReason::EPT_VIOLATION => {
|
||||
let guest_address = vmread(vmcs::ro::GUEST_PHYSICAL_ADDR_FULL)?;
|
||||
info!("EPT Violation at guest address: {:#x}", guest_address);
|
||||
return Err("EPT Violation");
|
||||
}
|
||||
VmxExitReason::TRIPLE_FAULT => {
|
||||
info!("Triple fault detected");
|
||||
return Err("Triple fault");
|
||||
}
|
||||
VmxExitReason::EXCEPTION => {
|
||||
let vmexit_intr_info = vmread(vmcs::ro::VMEXIT_INTERRUPTION_INFO).unwrap();
|
||||
let vector = (vmexit_intr_info & 0xFF) as u32;
|
||||
let has_error_code = (vmexit_intr_info & (1 << 11)) != 0;
|
||||
|
||||
let error_code = if has_error_code {
|
||||
Some(vmread(vmcs::ro::VMEXIT_INTERRUPTION_ERR_CODE).unwrap() as u32)
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let rip = vmread(vmcs::guest::RIP).unwrap();
|
||||
|
||||
let mut instruction_bytes = [0u8; 16];
|
||||
let mut valid_bytes = 0;
|
||||
|
||||
match self.translate_guest_address(rip) {
|
||||
Ok(guest_phys_addr) => {
|
||||
for i in 0..16 {
|
||||
match self.ept.get(guest_phys_addr + i) {
|
||||
Ok(byte) => {
|
||||
instruction_bytes[i as usize] = byte;
|
||||
valid_bytes = i + 1;
|
||||
}
|
||||
Err(_) => break,
|
||||
}
|
||||
}
|
||||
}
|
||||
Err(e) => {
|
||||
info!(
|
||||
"Failed to get physical address for RIP: {:#x}, {:?}",
|
||||
rip, e
|
||||
);
|
||||
return Err("Failed to get physical address for RIP");
|
||||
}
|
||||
}
|
||||
|
||||
if valid_bytes > 0 {
|
||||
match instruction_bytes[0] {
|
||||
0x0F => {
|
||||
if valid_bytes > 1 {
|
||||
match instruction_bytes[1] {
|
||||
0x01 => match instruction_bytes[2] {
|
||||
0xCA => {
|
||||
let rflags = vmread(vmcs::guest::RFLAGS).unwrap();
|
||||
vmwrite(vmcs::guest::RFLAGS, rflags & !(1 << 18))
|
||||
.unwrap();
|
||||
self.step_next_inst().unwrap();
|
||||
}
|
||||
0xCB => {
|
||||
let rflags = vmread(vmcs::guest::RFLAGS).unwrap();
|
||||
vmwrite(vmcs::guest::RFLAGS, rflags | (1 << 18))
|
||||
.unwrap();
|
||||
self.step_next_inst().unwrap();
|
||||
}
|
||||
_ => {
|
||||
self.pic
|
||||
.inject_exception(vector, error_code)
|
||||
.unwrap();
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
self.pic.inject_exception(vector, error_code).unwrap();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
self.pic.inject_exception(vector, error_code).unwrap();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
info!("VM exit reason: {:?}", exit_reason);
|
||||
return Err("Unhandled VM exit reason");
|
||||
@ -103,6 +245,48 @@ impl IntelVCpu {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn load_guest_xcr0(&mut self) -> Result<(), &'static str> {
|
||||
let host_cr4 = unsafe { cr4() };
|
||||
if (host_cr4.bits() & Cr4Flags::OSXSAVE.bits() as usize) == 0 {
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
if self.host_xcr0 == 0 {
|
||||
self.host_xcr0 = unsafe { _xgetbv(0) };
|
||||
}
|
||||
|
||||
let guest_cr4 = vmread(x86::vmx::vmcs::guest::CR4)?;
|
||||
|
||||
if guest_cr4 & Cr4Flags::OSXSAVE.bits() != 0 && u64::from(self.guest_xcr0) != self.host_xcr0
|
||||
{
|
||||
unsafe {
|
||||
_xsetbv(0, u64::from(self.guest_xcr0));
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn load_host_xcr0(&mut self) -> Result<(), &'static str> {
|
||||
let host_cr4 = unsafe { cr4() };
|
||||
if (host_cr4.bits() & Cr4Flags::OSXSAVE.bits() as usize) == 0 {
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let guest_cr4 = vmread(x86::vmx::vmcs::guest::CR4)?;
|
||||
|
||||
if guest_cr4 & Cr4Flags::OSXSAVE.bits() != 0 {
|
||||
let current_xcr0 = unsafe { _xgetbv(0) };
|
||||
if current_xcr0 != self.host_xcr0 {
|
||||
unsafe {
|
||||
_xsetbv(0, self.host_xcr0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn step_next_inst(&mut self) -> Result<(), &'static str> {
|
||||
use x86::vmx::vmcs;
|
||||
let rip = vmread(vmcs::guest::RIP)?;
|
||||
@ -114,15 +298,17 @@ impl IntelVCpu {
|
||||
}
|
||||
|
||||
fn vmentry(&mut self) -> Result<(), InstructionError> {
|
||||
msr::update_msrs(self).unwrap();
|
||||
|
||||
auditor::controls::check_vmcs_control_fields().unwrap();
|
||||
|
||||
let success = {
|
||||
let result: u16;
|
||||
|
||||
self.load_guest_xcr0().unwrap();
|
||||
unsafe {
|
||||
result = crate::vmm::x86_64::intel::asm::asm_vm_entry(self as *mut _);
|
||||
};
|
||||
self.load_host_xcr0().unwrap();
|
||||
|
||||
result == 0
|
||||
};
|
||||
|
||||
@ -152,6 +338,12 @@ impl IntelVCpu {
|
||||
controls::setup_exit_controls()?;
|
||||
Self::setup_host_state()?;
|
||||
self.setup_guest_state()?;
|
||||
self.io_bitmap.setup()?;
|
||||
|
||||
interrupt::subscriber::subscribe(
|
||||
vmm_interrupt_subscriber,
|
||||
self as &mut IntelVCpu as *mut IntelVCpu as *mut core::ffi::c_void,
|
||||
)?;
|
||||
|
||||
self.init_guest_memory(frame_allocator)?;
|
||||
|
||||
@ -233,14 +425,18 @@ impl IntelVCpu {
|
||||
|
||||
fn setup_guest_state(&mut self) -> Result<(), &'static str> {
|
||||
use x86::{controlregs::*, vmx::vmcs};
|
||||
let cr0 = Cr0::empty()
|
||||
let cr0 = (Cr0::empty()
|
||||
| Cr0::CR0_PROTECTED_MODE
|
||||
| Cr0::CR0_NUMERIC_ERROR & !Cr0::CR0_ENABLE_PAGING;
|
||||
| Cr0::CR0_NUMERIC_ERROR
|
||||
| Cr0::CR0_EXTENSION_TYPE)
|
||||
& !Cr0::CR0_ENABLE_PAGING;
|
||||
vmwrite(vmcs::guest::CR0, cr0.bits() as u64)?;
|
||||
vmwrite(vmcs::guest::CR3, unsafe { cr3() })?;
|
||||
vmwrite(vmcs::guest::CR3, 0)?;
|
||||
vmwrite(
|
||||
vmcs::guest::CR4,
|
||||
vmread(vmcs::guest::CR4)? & !Cr4Flags::VIRTUAL_MACHINE_EXTENSIONS.bits(),
|
||||
vmread(vmcs::guest::CR4)?
|
||||
| Cr4Flags::VIRTUAL_MACHINE_EXTENSIONS.bits()
|
||||
& !Cr4Flags::PHYSICAL_ADDRESS_EXTENSION.bits(),
|
||||
)?;
|
||||
|
||||
vmwrite(vmcs::guest::CS_BASE, 0)?;
|
||||
@ -341,6 +537,77 @@ impl IntelVCpu {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn translate_guest_address(&mut self, vaddr: u64) -> Result<u64, &'static str> {
|
||||
let cr3 = vmread(x86::vmx::vmcs::guest::CR3).map_err(|_| "Failed to read guest CR3")?;
|
||||
let pml4_base = cr3 & !0xFFF; // Clear lower 12 bits to get page table base
|
||||
|
||||
let efer = vmread(x86::vmx::vmcs::guest::IA32_EFER_FULL).unwrap_or(0);
|
||||
let is_long_mode = (efer & (1 << 8)) != 0; // LME bit
|
||||
|
||||
if !is_long_mode {
|
||||
return Ok(vaddr & 0xFFFFFFFF);
|
||||
}
|
||||
|
||||
let pml4_idx = ((vaddr >> 39) & 0x1FF) as u64;
|
||||
let pdpt_idx = ((vaddr >> 30) & 0x1FF) as u64;
|
||||
let pd_idx = ((vaddr >> 21) & 0x1FF) as u64;
|
||||
let pt_idx = ((vaddr >> 12) & 0x1FF) as u64;
|
||||
let page_offset = (vaddr & 0xFFF) as u64;
|
||||
|
||||
let pml4_entry_addr = pml4_base + (pml4_idx * 8);
|
||||
let pml4_entry = self.read_guest_phys_u64(pml4_entry_addr)?;
|
||||
if (pml4_entry & 1) == 0 {
|
||||
return Err("PML4 entry not present");
|
||||
}
|
||||
let pdpt_base = pml4_entry & 0x000FFFFFFFFFF000;
|
||||
|
||||
let pdpt_entry_addr = pdpt_base + (pdpt_idx * 8);
|
||||
let pdpt_entry = self.read_guest_phys_u64(pdpt_entry_addr)?;
|
||||
if (pdpt_entry & 1) == 0 {
|
||||
return Err("PDPT entry not present");
|
||||
}
|
||||
|
||||
if (pdpt_entry & (1 << 7)) != 0 {
|
||||
let page_base = pdpt_entry & 0x000FFFFFC0000000;
|
||||
return Ok(page_base | (vaddr & 0x3FFFFFFF));
|
||||
}
|
||||
let pd_base = pdpt_entry & 0x000FFFFFFFFFF000;
|
||||
|
||||
let pd_entry_addr = pd_base + (pd_idx * 8);
|
||||
let pd_entry = self.read_guest_phys_u64(pd_entry_addr)?;
|
||||
if (pd_entry & 1) == 0 {
|
||||
return Err("PD entry not present");
|
||||
}
|
||||
|
||||
if (pd_entry & (1 << 7)) != 0 {
|
||||
let page_base = pd_entry & 0x000FFFFFFFE00000;
|
||||
return Ok(page_base | (vaddr & 0x1FFFFF));
|
||||
}
|
||||
let pt_base = pd_entry & 0x000FFFFFFFFFF000;
|
||||
|
||||
let pt_entry_addr = pt_base + (pt_idx * 8);
|
||||
let pt_entry = self.read_guest_phys_u64(pt_entry_addr)?;
|
||||
if (pt_entry & 1) == 0 {
|
||||
return Err("PT entry not present");
|
||||
}
|
||||
let page_base = pt_entry & 0x000FFFFFFFFFF000;
|
||||
|
||||
Ok(page_base | page_offset)
|
||||
}
|
||||
|
||||
fn read_guest_phys_u64(&mut self, gpa: u64) -> Result<u64, &'static str> {
|
||||
let mut result_bytes = [0u8; 8];
|
||||
|
||||
for i in 0..8 {
|
||||
match self.ept.get(gpa + i) {
|
||||
Ok(byte) => result_bytes[i as usize] = byte,
|
||||
Err(_) => return Err("Failed to read from EPT"),
|
||||
}
|
||||
}
|
||||
|
||||
Ok(u64::from_le_bytes(result_bytes))
|
||||
}
|
||||
|
||||
fn dump_vmcs_settings(&self) -> Result<(), &'static str> {
|
||||
info!("=== VMCS Control Fields ===");
|
||||
|
||||
@ -638,6 +905,12 @@ impl VCpu for IntelVCpu {
|
||||
guest_memory_size: 1024 * 1024 * 256, // 256 MiB
|
||||
host_msr: ShadowMsr::new(),
|
||||
guest_msr: ShadowMsr::new(),
|
||||
ia32e_enabled: false,
|
||||
pic: super::io::PIC::new(),
|
||||
io_bitmap: IOBitmap::new(frame_allocator),
|
||||
pending_irq: 0,
|
||||
host_xcr0: 0,
|
||||
guest_xcr0: XCR0::new(),
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
@ -208,3 +208,14 @@ impl PrimaryExitControls {
|
||||
vmcs::VmcsControl32::PRIMARY_VM_EXIT_CONTROLS.write(u32::from(*self))
|
||||
}
|
||||
}
|
||||
|
||||
#[bitfield]
|
||||
#[repr(u32)]
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct EntryIntrInfo {
|
||||
pub vector: B8,
|
||||
pub typ: B3,
|
||||
pub ec_available: bool,
|
||||
_reserved: B19,
|
||||
pub valid: bool,
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user