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Diffstat (limited to 'src/VBox/VMM/include/VMMSwitcher.h')
| -rw-r--r-- | src/VBox/VMM/include/VMMSwitcher.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/VBox/VMM/include/VMMSwitcher.h b/src/VBox/VMM/include/VMMSwitcher.h new file mode 100644 index 00000000..d2168aa7 --- /dev/null +++ b/src/VBox/VMM/include/VMMSwitcher.h @@ -0,0 +1,156 @@ +/* $Id: VMMSwitcher.h $ */ +/** @file + * VMM - World Switchers. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + +#ifndef VMM_INCLUDED_SRC_include_VMMSwitcher_h +#define VMM_INCLUDED_SRC_include_VMMSwitcher_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/vmm/vmm.h> + +/** @name Fixup Types. + * @{ + */ +/** @todo document what arguments these take and what they do. */ +#define FIX_HC_2_GC_NEAR_REL 1 +#define FIX_HC_2_ID_NEAR_REL 2 +#define FIX_GC_2_HC_NEAR_REL 3 +#define FIX_GC_2_ID_NEAR_REL 4 +#define FIX_ID_2_HC_NEAR_REL 5 +#define FIX_ID_2_GC_NEAR_REL 6 +#define FIX_GC_FAR32 7 +#define FIX_GC_CPUM_OFF 8 +#define FIX_GC_VM_OFF 9 /** @todo cleanup fixup names GC->RC, HC->R0. */ +#define FIX_HC_CPUM_OFF 10 +#define FIX_HC_VM_OFF 11 +#define FIX_INTER_32BIT_CR3 12 +#define FIX_INTER_PAE_CR3 13 +#define FIX_INTER_AMD64_CR3 14 +#define FIX_HYPER_CS 18 +#define FIX_HYPER_DS 19 +#define FIX_HYPER_TSS 20 +#define FIX_GC_TSS_GDTE_DW2 21 +/*#define FIX_NO_FXSAVE_JMP 24 - reusable */ +#define FIX_NO_SYSENTER_JMP 25 +#define FIX_NO_SYSCALL_JMP 26 +#define FIX_HC_32BIT 27 +#define FIX_HC_64BIT 28 +#define FIX_HC_64BIT_CPUM 29 +#define FIX_HC_64BIT_CS 30 +#define FIX_ID_32BIT 31 +#define FIX_ID_64BIT 32 +#define FIX_ID_FAR32_TO_64BIT_MODE 33 +#define FIX_GC_APIC_BASE_32BIT 34 +#define FIX_HC_64BIT_NOCHECK 35 +#define FIX_GC_64_BIT_CPUM_OFF 36 +#define FIX_GC_CPUMCPU_OFF 37 +#define FIX_EFER_OR_MASK 38 +#define FIX_THE_END 255 +/** @} */ + + +/** Pointer to a switcher definition. */ +typedef struct VMMSWITCHERDEF *PVMMSWITCHERDEF; + +/** + * Callback function for relocating the core code belonging to a switcher. + * + * @param pVM The cross context VM structure. + * @param pSwitcher Pointer to the switcher structure. + * @param R0PtrCode Pointer to the first code byte in the ring-0 mapping. + * @param pu8CodeR3 Pointer to the first code byte in the ring-3 mapping. + * @param GCPtrCode The GC address of the first code byte. + * @param u32IDCode The address of the identity mapped code (first byte). + */ +typedef DECLCALLBACK(void) FNVMMSWITCHERRELOCATE(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, + RTGCPTR GCPtrCode, uint32_t u32IDCode); +/** Pointer to a FNVMMSWITCHERRELOCATE(). */ +typedef FNVMMSWITCHERRELOCATE *PFNVMMSWITCHERRELOCATE; + +/** + * VMM Switcher structure. + */ +#pragma pack(1) +typedef struct VMMSWITCHERDEF +{ + /** Pointer to the code. */ + void *pvCode; + /** Pointer to the fixup records. */ + void *pvFixups; + /** Pointer to the description. */ + const char *pszDesc; + /** Function which performs the necessary relocations. */ + PFNVMMSWITCHERRELOCATE pfnRelocate; + /** The switcher type. */ + VMMSWITCHER enmType; + /** Size of the entire code chunk. */ + uint32_t cbCode; + /** vmmR0ToRawMode C entrypoint. */ + uint32_t offR0ToRawMode; + /** vmmRCToHost C entrypoint. */ + uint32_t offRCToHost; + /** vmmRCCallTrampoline address. */ + uint32_t offRCCallTrampoline; + /** vmmRCToHostAsm - Assembly language entry point for switching from raw-mode + * context to host-context. This saves the RC register context. */ + uint32_t offRCToHostAsm; + /** vmmRCToHostNoReturn - Assembly language entry point for switching from + * raw-mode context to host-context. This does not save any RC register + * context and expects the caller to have done that already. */ + uint32_t offRCToHostAsmNoReturn; + /** @name Disassembly Regions. + * @{ */ + uint32_t offHCCode0; + uint32_t cbHCCode0; + uint32_t offHCCode1; + uint32_t cbHCCode1; + uint32_t offIDCode0; + uint32_t cbIDCode0; + uint32_t offIDCode1; + uint32_t cbIDCode1; + uint32_t offGCCode; + uint32_t cbGCCode; + /** @} */ +} VMMSWITCHERDEF; +#pragma pack() + +RT_C_DECLS_BEGIN +extern VMMSWITCHERDEF vmmR3SwitcherX86Stub_Def; +extern VMMSWITCHERDEF vmmR3Switcher32BitTo32Bit_Def; +extern VMMSWITCHERDEF vmmR3Switcher32BitToPAE_Def; +extern VMMSWITCHERDEF vmmR3Switcher32BitToAMD64_Def; +extern VMMSWITCHERDEF vmmR3SwitcherPAETo32Bit_Def; +extern VMMSWITCHERDEF vmmR3SwitcherPAEToPAE_Def; +extern VMMSWITCHERDEF vmmR3SwitcherPAEToAMD64_Def; +extern VMMSWITCHERDEF vmmR3SwitcherAMD64Stub_Def; +extern VMMSWITCHERDEF vmmR3SwitcherAMD64To32Bit_Def; +extern VMMSWITCHERDEF vmmR3SwitcherAMD64ToPAE_Def; +extern VMMSWITCHERDEF vmmR3SwitcherAMD64ToAMD64_Def; + +extern DECLCALLBACK(void) vmmR3Switcher32BitTo32Bit_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3Switcher32BitToPAE_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3Switcher32BitToAMD64_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3SwitcherPAETo32Bit_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3SwitcherPAEToPAE_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3SwitcherPAEToAMD64_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3SwitcherAMD64To32Bit_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3SwitcherAMD64ToPAE_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +extern DECLCALLBACK(void) vmmR3SwitcherAMD64ToAMD64_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode); +RT_C_DECLS_END + +#endif /* !VMM_INCLUDED_SRC_include_VMMSwitcher_h */ |