mirror of
https://github.com/momo5502/hypervisor.git
synced 2025-04-19 21:52:55 +00:00
118 lines
2.5 KiB
NASM
118 lines
2.5 KiB
NASM
include ksamd64.inc
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.code
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; -----------------------------------------------------
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LEAF_ENTRY _str, _TEXT$00
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str word ptr [rcx]
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ret
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LEAF_END _str, _TEXT$00
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; -----------------------------------------------------
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LEAF_ENTRY _sldt, _TEXT$00
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sldt word ptr [rcx]
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ret
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LEAF_END _sldt, _TEXT$00
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; -----------------------------------------------------
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LEAF_ENTRY __lgdt, _TEXT$00
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lgdt fword ptr [rcx]
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ret
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LEAF_END __lgdt, _TEXT$00
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; -----------------------------------------------------
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LEAF_ENTRY __invept, _TEXT$00
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invept rcx, OWORD PTR [rdx]
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ret
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LEAF_END __invept, _TEXT$00
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; -----------------------------------------------------
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LEAF_ENTRY restore_context, _TEXT$00
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movaps xmm0, CxXmm0[rcx]
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movaps xmm1, CxXmm1[rcx]
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movaps xmm2, CxXmm2[rcx]
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movaps xmm3, CxXmm3[rcx]
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movaps xmm4, CxXmm4[rcx]
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movaps xmm5, CxXmm5[rcx]
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movaps xmm6, CxXmm6[rcx]
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movaps xmm7, CxXmm7[rcx]
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movaps xmm8, CxXmm8[rcx]
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movaps xmm9, CxXmm9[rcx]
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movaps xmm10, CxXmm10[rcx]
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movaps xmm11, CxXmm11[rcx]
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movaps xmm12, CxXmm12[rcx]
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movaps xmm13, CxXmm13[rcx]
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movaps xmm14, CxXmm14[rcx]
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movaps xmm15, CxXmm15[rcx]
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ldmxcsr CxMxCsr[rcx]
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mov rax, CxRax[rcx]
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mov rdx, CxRdx[rcx]
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mov r8, CxR8[rcx]
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mov r9, CxR9[rcx]
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mov r10, CxR10[rcx]
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mov r11, CxR11[rcx]
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mov rbx, CxRbx[rcx]
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mov rsi, CxRsi[rcx]
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mov rdi, CxRdi[rcx]
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mov rbp, CxRbp[rcx]
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mov r12, CxR12[rcx]
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mov r13, CxR13[rcx]
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mov r14, CxR14[rcx]
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mov r15, CxR15[rcx]
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cli
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push CxEFlags[rcx]
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popfq
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mov rsp, CxRsp[rcx]
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push CxRip[rcx]
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mov rcx, CxRcx[rcx]
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ret
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LEAF_END restore_context, _TEXT$00
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; -----------------------------------------------------
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extern vm_exit_handler:proc
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extern vm_launch_handler:proc
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extern RtlCaptureContext:proc
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; -----------------------------------------------------
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vm_launch PROC
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mov rcx, rsp
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sub rsp, 30h
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jmp vm_launch_handler
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vm_launch ENDP
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; -----------------------------------------------------
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vm_exit PROC
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; Load CONTEXT pointer
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push rcx
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lea rcx, [rsp+8h]
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sub rsp, 30h ; Home-space
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call RtlCaptureContext
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add rsp, 30h
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mov rcx, [rsp+CxRsp+8h]
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add rcx, 8h ; Fixup push rcx
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add rcx, 30h ; Fixup home-space
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mov [rsp+CxRsp+8h], rcx
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pop rcx
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mov [rsp+CxRcx], rcx
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mov rcx, rsp
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sub rsp, 30h
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jmp vm_exit_handler
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vm_exit ENDP
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end
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