Bochs/bochs/cpu/smm.h

267 lines
7.1 KiB
C

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2006-2009 Stanislav Shwartsman
// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
/////////////////////////////////////////////////////////////////////////
#ifndef BX_SMM_H
#define BX_SMM_H
/* SMM feature masks */
const Bit32u SMM_IO_INSTRUCTION_RESTART = 0x00010000;
const Bit32u SMM_SMBASE_RELOCATION = 0x00020000;
#define SMM_SAVE_STATE_MAP_SIZE 128
//
// - For x86-64 configuration using AMD Athlon 64 512-byte SMM save state map
// revision ID according to QEMU/Bochs BIOS
//
// - For x86-32 configuration using Intel P6 512-byte SMM save state map
//
const Bit32u SMM_REVISION_ID = ((BX_SUPPORT_X86_64 ? 0x00000064 : 0) | SMM_SMBASE_RELOCATION);
//
// Some of the CPU field must be saved and restored in order to continue the
// simulation correctly after the RSM instruction:
//
// ---------------------------------------------------------------
//
// 1. General purpose registers: EAX-EDI, R8-R15
// 2. EIP, RFLAGS
// 3. Segment registers CS, DS, SS, ES, FS, GS
// fields: valid - not required, initialized according to selector value
// p - must be saved/restored
// dpl - must be saved/restored
// segment - must be 1 for seg registers, not required to save
// type - must be saved/restored
// base - must be saved/restored
// limit - must be saved/restored
// g - must be saved/restored
// d_b - must be saved/restored
// l - must be saved/restored
// avl - must be saved/restored
// 4. GDTR, IDTR
// fields: base, limit
// 5. LDTR, TR
// fields: base, limit, anything else ?
// 6. Debug Registers DR0-DR7, only DR6 and DR7 are saved
// 7. Control Registers: CR0, CR2 is NOT saved, CR3, CR4, EFER
// 8. SMBASE
// 9. MSR/FPU/XMM/APIC are NOT saved accoring to Intel docs
//
struct BX_SMM_State
{
Bit32u smbase;
Bit32u smm_revision_id;
bx_address gen_reg[BX_GENERAL_REGISTERS];
bx_address rip;
Bit32u eflags;
Bit32u dr6;
Bit32u dr7;
bx_cr0_t cr0;
bx_address cr3;
#if BX_CPU_LEVEL >= 5
bx_cr4_t cr4;
bx_efer_t efer;
#endif
Bit32u io_insruction_restart;
Bit32u autohalt_restart;
Bit32u nmi_mask;
bx_global_segment_reg_t gdtr;
bx_global_segment_reg_t idtr;
struct {
bx_address base;
Bit32u limit;
Bit32u selector_ar;
} segreg[6], tr, ldtr;
};
#if BX_SUPPORT_X86_64
enum SMMRAM_Fields {
SMRAM_FIELD_SMBASE_OFFSET = 0,
SMRAM_FIELD_SMM_REVISION_ID,
SMRAM_FIELD_RAX_HI32,
SMRAM_FIELD_EAX,
SMRAM_FIELD_RCX_HI32,
SMRAM_FIELD_ECX,
SMRAM_FIELD_RDX_HI32,
SMRAM_FIELD_EDX,
SMRAM_FIELD_RBX_HI32,
SMRAM_FIELD_EBX,
SMRAM_FIELD_RSP_HI32,
SMRAM_FIELD_ESP,
SMRAM_FIELD_RBP_HI32,
SMRAM_FIELD_EBP,
SMRAM_FIELD_RSI_HI32,
SMRAM_FIELD_ESI,
SMRAM_FIELD_RDI_HI32,
SMRAM_FIELD_EDI,
SMRAM_FIELD_R8_HI32,
SMRAM_FIELD_R8,
SMRAM_FIELD_R9_HI32,
SMRAM_FIELD_R9,
SMRAM_FIELD_R10_HI32,
SMRAM_FIELD_R10,
SMRAM_FIELD_R11_HI32,
SMRAM_FIELD_R11,
SMRAM_FIELD_R12_HI32,
SMRAM_FIELD_R12,
SMRAM_FIELD_R13_HI32,
SMRAM_FIELD_R13,
SMRAM_FIELD_R14_HI32,
SMRAM_FIELD_R14,
SMRAM_FIELD_R15_HI32,
SMRAM_FIELD_R15,
SMRAM_FIELD_RIP_HI32,
SMRAM_FIELD_EIP,
SMRAM_FIELD_RFLAGS_HI32, // always zero
SMRAM_FIELD_EFLAGS,
SMRAM_FIELD_DR6_HI32, // always zero
SMRAM_FIELD_DR6,
SMRAM_FIELD_DR7_HI32, // always zero
SMRAM_FIELD_DR7,
SMRAM_FIELD_CR0_HI32, // always zero
SMRAM_FIELD_CR0,
SMRAM_FIELD_CR3_HI32, // zero when physical address size 32-bit
SMRAM_FIELD_CR3,
SMRAM_FIELD_CR4_HI32, // always zero
SMRAM_FIELD_CR4,
SMRAM_FIELD_EFER_HI32, // always zero
SMRAM_FIELD_EFER,
SMRAM_FIELD_IO_INSTRUCTION_RESTART,
SMRAM_FIELD_AUTOHALT_RESTART,
SMRAM_FIELD_NMI_MASK,
SMRAM_FIELD_TR_BASE_HI32,
SMRAM_FIELD_TR_BASE,
SMRAM_FIELD_TR_LIMIT,
SMRAM_FIELD_TR_SELECTOR_AR,
SMRAM_FIELD_LDTR_BASE_HI32,
SMRAM_FIELD_LDTR_BASE,
SMRAM_FIELD_LDTR_LIMIT,
SMRAM_FIELD_LDTR_SELECTOR_AR,
SMRAM_FIELD_IDTR_BASE_HI32,
SMRAM_FIELD_IDTR_BASE,
SMRAM_FIELD_IDTR_LIMIT,
SMRAM_FIELD_GDTR_BASE_HI32,
SMRAM_FIELD_GDTR_BASE,
SMRAM_FIELD_GDTR_LIMIT,
SMRAM_FIELD_ES_BASE_HI32,
SMRAM_FIELD_ES_BASE,
SMRAM_FIELD_ES_LIMIT,
SMRAM_FIELD_ES_SELECTOR_AR,
SMRAM_FIELD_CS_BASE_HI32,
SMRAM_FIELD_CS_BASE,
SMRAM_FIELD_CS_LIMIT,
SMRAM_FIELD_CS_SELECTOR_AR,
SMRAM_FIELD_SS_BASE_HI32,
SMRAM_FIELD_SS_BASE,
SMRAM_FIELD_SS_LIMIT,
SMRAM_FIELD_SS_SELECTOR_AR,
SMRAM_FIELD_DS_BASE_HI32,
SMRAM_FIELD_DS_BASE,
SMRAM_FIELD_DS_LIMIT,
SMRAM_FIELD_DS_SELECTOR_AR,
SMRAM_FIELD_FS_BASE_HI32,
SMRAM_FIELD_FS_BASE,
SMRAM_FIELD_FS_LIMIT,
SMRAM_FIELD_FS_SELECTOR_AR,
SMRAM_FIELD_GS_BASE_HI32,
SMRAM_FIELD_GS_BASE,
SMRAM_FIELD_GS_LIMIT,
SMRAM_FIELD_GS_SELECTOR_AR,
SMRAM_FIELD_LAST
};
#else
enum SMMRAM_Fields {
SMRAM_FIELD_SMBASE_OFFSET = 0,
SMRAM_FIELD_SMM_REVISION_ID,
SMRAM_FIELD_EAX,
SMRAM_FIELD_ECX,
SMRAM_FIELD_EDX,
SMRAM_FIELD_EBX,
SMRAM_FIELD_ESP,
SMRAM_FIELD_EBP,
SMRAM_FIELD_ESI,
SMRAM_FIELD_EDI,
SMRAM_FIELD_EIP,
SMRAM_FIELD_EFLAGS,
SMRAM_FIELD_DR6,
SMRAM_FIELD_DR7,
SMRAM_FIELD_CR0,
SMRAM_FIELD_CR3,
SMRAM_FIELD_CR4,
SMRAM_FIELD_EFER,
SMRAM_FIELD_IO_INSTRUCTION_RESTART,
SMRAM_FIELD_AUTOHALT_RESTART,
SMRAM_FIELD_NMI_MASK,
SMRAM_FIELD_TR_SELECTOR,
SMRAM_FIELD_TR_BASE,
SMRAM_FIELD_TR_LIMIT,
SMRAM_FIELD_TR_SELECTOR_AR,
SMRAM_FIELD_LDTR_SELECTOR,
SMRAM_FIELD_LDTR_BASE,
SMRAM_FIELD_LDTR_LIMIT,
SMRAM_FIELD_LDTR_SELECTOR_AR,
SMRAM_FIELD_IDTR_BASE,
SMRAM_FIELD_IDTR_LIMIT,
SMRAM_FIELD_GDTR_BASE,
SMRAM_FIELD_GDTR_LIMIT,
SMRAM_FIELD_ES_SELECTOR,
SMRAM_FIELD_ES_BASE,
SMRAM_FIELD_ES_LIMIT,
SMRAM_FIELD_ES_SELECTOR_AR,
SMRAM_FIELD_CS_SELECTOR,
SMRAM_FIELD_CS_BASE,
SMRAM_FIELD_CS_LIMIT,
SMRAM_FIELD_CS_SELECTOR_AR,
SMRAM_FIELD_SS_SELECTOR,
SMRAM_FIELD_SS_BASE,
SMRAM_FIELD_SS_LIMIT,
SMRAM_FIELD_SS_SELECTOR_AR,
SMRAM_FIELD_DS_SELECTOR,
SMRAM_FIELD_DS_BASE,
SMRAM_FIELD_DS_LIMIT,
SMRAM_FIELD_DS_SELECTOR_AR,
SMRAM_FIELD_FS_SELECTOR,
SMRAM_FIELD_FS_BASE,
SMRAM_FIELD_FS_LIMIT,
SMRAM_FIELD_FS_SELECTOR_AR,
SMRAM_FIELD_GS_SELECTOR,
SMRAM_FIELD_GS_BASE,
SMRAM_FIELD_GS_LIMIT,
SMRAM_FIELD_GS_SELECTOR_AR,
SMRAM_FIELD_LAST
};
#endif // BX_SUPPORT_X86_64
#endif