insn_decode: add decoding and emulation support for mov instruction variants - Githubissues

coconut-svsm / svsm

COCONUT-SVSM

MIT License

122 stars 42 forks source link

insn_decode: add decoding and emulation support for mov instruction variants #464

Closed cxdong closed 2 months ago

cxdong commented 2 months ago

The Mov instruction is usually used to access MMIO. Add decoding and emulation support for several Mov instruction variants, which includes:

0x88/0x89/0xA3: move general-purpose register to memory address.
0x8A/0x8B/0xA1: move value from memory address to general-purpose register.
0xC6/0XC7: move immediate to memory address.

Test code is added for the corresponding mov instructions.