44 lines
1.5 KiB
Plaintext
44 lines
1.5 KiB
Plaintext
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:name: X86-KVM Linux
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:description: This script runs Linux on a bare x86 platform in KVM.
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$name?="x86-kvm"
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mach create $name
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$bin?=@https://dl.antmicro.com/projects/renode/virt_x86--linux.bin-s_7459328-fec50f291c065d8b13ce4d49abc96ea71af349df
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machine LoadPlatformDescription @platforms/cpus/x86-kvm.repl
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showAnalyzer uart
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macro reset
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"""
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# skip the header -- based on akvm copy_kernel()
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sysbus LoadBinary $bin 0x100000 sysbus.cpu 0x4000
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# setup boot params (aka Zero Page) - for more info please refer to https://docs.kernel.org/arch/x86/zero-page.html
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sysbus WriteASCIIString 0x90880 "console=ttyS0 root=/dev/vda earlyprintk loglevel=7 rootwait"
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# pass address of cmdline in `cmd_line_ptr` field
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sysbus WriteDoubleWord 0x90228 0x90880
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# pass (RAM size - 1MiB) / 1024
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sysbus WriteDoubleWord 0x901e0 0x7fc00
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# init flat protected mode
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# for more info please refer to kernel boot protocol
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sysbus.cpu SetDescriptor CS 0x10 0x0 0xffffffff 0xc09b00
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sysbus.cpu SetDescriptor DS 0x18 0x0 0xffffffff 0xc09300
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sysbus.cpu SetDescriptor ES 0x18 0x0 0xffffffff 0xc09300
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sysbus.cpu SetDescriptor SS 0x18 0x0 0xffffffff 0xc09300
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sysbus.cpu SetDescriptor FS 0x18 0x0 0xffffffff 0xc09300
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sysbus.cpu SetDescriptor GS 0x18 0x0 0xffffffff 0xc09300
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sysbus.cpu EIP 0x100000
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# address to kernel param args
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sysbus.cpu ESI 0x90000
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# enable protected mode
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sysbus.cpu CR0 0x60000011
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sysbus.cpu EFLAGS 0x2
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"""
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runMacro $reset
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