Description of MSRs module#12
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Tushar2023
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Sep 13, 2022
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codenet
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| const MSR_IA32_SPEC_CTRL: u32 = 0x0000_0048; | ||
| const MSR_IA32_PRED_CMD: u32 = 0x0000_0049; | ||
| ``` | ||
| The above piece of code defines some constant used in the the below. Here we have only defined list of the index of the custom msrs. |
| ```rs | ||
| pub fn create_boot_msr_entries() -> Result<Msrs> | ||
| ``` | ||
| This fucntion returs list of Msrs, let's try to understand that. The kvm holds the all the msrs using following structs defined in `[binding.rs](kvm-bindings-0.5.0/src/x86/bindings.rs)` |
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fucntion -> function
returs -> returns
holds the -> holds
| } | ||
| ``` | ||
| The struct `kvm_msr_entry` holds single register with member `index`,`reserved` and `data`. | ||
| The struct `kvm_msrs` holds all the msrs using an flexible array. |
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