Bochs/bochs/instrument/example1/instrument.h
2011-03-22 22:18:40 +00:00

255 lines
8.4 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 02110-1301 USA
// possible types passed to BX_INSTR_TLB_CNTRL()
#define BX_INSTR_MOV_CR0 10
#define BX_INSTR_MOV_CR3 11
#define BX_INSTR_MOV_CR4 12
#define BX_INSTR_TASK_SWITCH 13
#define BX_INSTR_CONTEXT_SWITCH 14
#define BX_INSTR_INVLPG 15
#define BX_INSTR_INVEPT 15
#define BX_INSTR_INVVPID 16
// possible types passed to BX_INSTR_CACHE_CNTRL()
#define BX_INSTR_INVD 20
#define BX_INSTR_WBINVD 21
// possible types passed to BX_INSTR_FAR_BRANCH()
#define BX_INSTR_IS_CALL 10
#define BX_INSTR_IS_RET 11
#define BX_INSTR_IS_IRET 12
#define BX_INSTR_IS_JMP 13
#define BX_INSTR_IS_INT 14
#define BX_INSTR_IS_SYSCALL 15
#define BX_INSTR_IS_SYSRET 16
#define BX_INSTR_IS_SYSENTER 17
#define BX_INSTR_IS_SYSEXIT 18
// possible types passed to BX_INSTR_PREFETCH_HINT()
#define BX_INSTR_PREFETCH_NTA 0
#define BX_INSTR_PREFETCH_T0 1
#define BX_INSTR_PREFETCH_T1 2
#define BX_INSTR_PREFETCH_T2 3
#if BX_INSTRUMENTATION
class bxInstruction_c;
void bx_instr_init_env(void);
void bx_instr_exit_env(void);
void bx_instr_initialize(unsigned cpu);
// maximum size of an instruction
#define MAX_OPCODE_SIZE 16
// maximum physical addresses an instruction can generate
#define MAX_DATA_ACCESSES 1024
class bxInstrumentation {
public:
bx_bool valid; // is current instruction valid
bx_bool active; // is active
unsigned cpu_id;
/* decoding */
unsigned opcode_size;
Bit8u opcode[MAX_OPCODE_SIZE];
bx_bool is32, is64;
/* memory accesses */
unsigned num_data_accesses;
struct {
bx_address laddr; // linear address
bx_phy_address paddr; // physical address
unsigned op; // BX_READ, BX_WRITE or BX_RW
unsigned size; // 1 .. 8
} data_access[MAX_DATA_ACCESSES];
/* branch resolution and target */
bx_bool is_branch;
bx_bool is_taken;
bx_address target_linear;
public:
bxInstrumentation(): valid(0), active(0) {}
void set_cpu_id(unsigned cpu) { cpu_id = cpu; }
void activate() { active = 1; }
void deactivate() { active = 0; }
void toggle_active() { active = !active; }
bx_bool is_active() const { return active; }
void bx_instr_reset(unsigned type);
void bx_instr_new_instruction();
void bx_instr_cnear_branch_taken(bx_address new_eip);
void bx_instr_cnear_branch_not_taken();
void bx_instr_ucnear_branch(unsigned what, bx_address new_eip);
void bx_instr_far_branch(unsigned what, Bit16u new_cs, bx_address new_eip);
void bx_instr_opcode(const Bit8u *opcode, unsigned len, bx_bool is32, bx_bool is64);
void bx_instr_interrupt(unsigned vector);
void bx_instr_exception(unsigned vector, unsigned error_code);
void bx_instr_hwinterrupt(unsigned vector, Bit16u cs, bx_address eip);
void bx_instr_mem_data_access(unsigned seg, bx_address offset, unsigned len, unsigned rw);
private:
void branch_taken(bx_address new_eip);
};
void bx_instr_init(unsigned cpu);
extern bxInstrumentation *icpu;
/* initialization/deinitialization of instrumentalization*/
#define BX_INSTR_INIT_ENV() bx_instr_init_env()
#define BX_INSTR_EXIT_ENV() bx_instr_exit_env()
/* simulation init, shutdown, reset */
#define BX_INSTR_INITIALIZE(cpu_id) bx_instr_initialize(cpu_id);
#define BX_INSTR_EXIT(cpu_id)
#define BX_INSTR_RESET(cpu_id, type) icpu[cpu_id].bx_instr_reset(type)
#define BX_INSTR_HLT(cpu_id)
#define BX_INSTR_MWAIT(cpu_id, addr, len, flags)
#define BX_INSTR_NEW_INSTRUCTION(cpu_id) icpu[cpu_id].bx_instr_new_instruction()
/* called from command line debugger */
#define BX_INSTR_DEBUG_PROMPT()
#define BX_INSTR_DEBUG_CMD(cmd)
/* branch resoultion */
#define BX_INSTR_CNEAR_BRANCH_TAKEN(cpu_id, new_eip) icpu[cpu_id].bx_instr_cnear_branch_taken(new_eip)
#define BX_INSTR_CNEAR_BRANCH_NOT_TAKEN(cpu_id) icpu[cpu_id].bx_instr_cnear_branch_not_taken()
#define BX_INSTR_UCNEAR_BRANCH(cpu_id, what, new_eip) icpu[cpu_id].bx_instr_ucnear_branch(what, new_eip)
#define BX_INSTR_FAR_BRANCH(cpu_id, what, new_cs, new_eip) icpu[cpu_id].bx_instr_far_branch(what, new_cs, new_eip)
/* decoding completed */
#define BX_INSTR_OPCODE(cpu_id, opcode, len, is32, is64) \
icpu[cpu_id].bx_instr_opcode(opcode, len, is32, is64)
/* exceptional case and interrupt */
#define BX_INSTR_EXCEPTION(cpu_id, vector, error_code) \
icpu[cpu_id].bx_instr_exception(vector, error_code)
#define BX_INSTR_INTERRUPT(cpu_id, vector) icpu[cpu_id].bx_instr_interrupt(vector)
#define BX_INSTR_HWINTERRUPT(cpu_id, vector, cs, eip) icpu[cpu_id].bx_instr_hwinterrupt(vector, cs, eip)
/* TLB/CACHE control instruction executed */
#define BX_INSTR_CLFLUSH(cpu_id, laddr, paddr)
#define BX_INSTR_CACHE_CNTRL(cpu_id, what)
#define BX_INSTR_TLB_CNTRL(cpu_id, what, new_cr3)
#define BX_INSTR_PREFETCH_HINT(cpu_id, what, seg, offset)
/* execution */
#define BX_INSTR_BEFORE_EXECUTION(cpu_id, i)
#define BX_INSTR_AFTER_EXECUTION(cpu_id, i)
#define BX_INSTR_REPEAT_ITERATION(cpu_id, i)
/* memory access */
#define BX_INSTR_LIN_ACCESS(cpu_id, lin, phy, len, rw)
#define BX_INSTR_MEM_DATA_ACCESS(cpu_id, seg, offset, len, rw) \
icpu[cpu_id].bx_instr_mem_data_access(seg, offset, len, rw)
/* called from memory object */
#define BX_INSTR_PHY_WRITE(cpu_id, addr, len)
#define BX_INSTR_PHY_READ(cpu_id, addr, len)
/* feedback from device units */
#define BX_INSTR_INP(addr, len)
#define BX_INSTR_INP2(addr, len, val)
#define BX_INSTR_OUTP(addr, len, val)
/* wrmsr callback */
#define BX_INSTR_WRMSR(cpu_id, addr, value)
#else // BX_INSTRUMENTATION
/* initialization/deinitialization of instrumentalization */
#define BX_INSTR_INIT_ENV()
#define BX_INSTR_EXIT_ENV()
/* simulation init, shutdown, reset */
#define BX_INSTR_INITIALIZE(cpu_id)
#define BX_INSTR_EXIT(cpu_id)
#define BX_INSTR_RESET(cpu_id, type)
#define BX_INSTR_HLT(cpu_id)
#define BX_INSTR_MWAIT(cpu_id, addr, len, flags)
#define BX_INSTR_NEW_INSTRUCTION(cpu_id)
/* called from command line debugger */
#define BX_INSTR_DEBUG_PROMPT()
#define BX_INSTR_DEBUG_CMD(cmd)
/* branch resoultion */
#define BX_INSTR_CNEAR_BRANCH_TAKEN(cpu_id, new_eip)
#define BX_INSTR_CNEAR_BRANCH_NOT_TAKEN(cpu_id)
#define BX_INSTR_UCNEAR_BRANCH(cpu_id, what, new_eip)
#define BX_INSTR_FAR_BRANCH(cpu_id, what, new_cs, new_eip)
/* decoding completed */
#define BX_INSTR_OPCODE(cpu_id, opcode, len, is32, is64)
/* exceptional case and interrupt */
#define BX_INSTR_EXCEPTION(cpu_id, vector, error_code)
#define BX_INSTR_INTERRUPT(cpu_id, vector)
#define BX_INSTR_HWINTERRUPT(cpu_id, vector, cs, eip)
/* TLB/CACHE control instruction executed */
#define BX_INSTR_CLFLUSH(cpu_id, laddr, paddr)
#define BX_INSTR_CACHE_CNTRL(cpu_id, what)
#define BX_INSTR_TLB_CNTRL(cpu_id, what, new_cr3)
#define BX_INSTR_PREFETCH_HINT(cpu_id, what, seg, offset)
/* execution */
#define BX_INSTR_BEFORE_EXECUTION(cpu_id, i)
#define BX_INSTR_AFTER_EXECUTION(cpu_id, i)
#define BX_INSTR_REPEAT_ITERATION(cpu_id, i)
/* memory access */
#define BX_INSTR_LIN_ACCESS(cpu_id, lin, phy, len, rw)
/* memory access */
#define BX_INSTR_MEM_DATA_ACCESS(cpu_id, seg, offset, len, rw)
/* called from memory object */
#define BX_INSTR_PHY_WRITE(cpu_id, addr, len)
#define BX_INSTR_PHY_READ(cpu_id, addr, len)
/* feedback from device units */
#define BX_INSTR_INP(addr, len)
#define BX_INSTR_INP2(addr, len, val)
#define BX_INSTR_OUTP(addr, len, val)
/* wrmsr callback */
#define BX_INSTR_WRMSR(cpu_id, addr, value)
#endif // BX_INSTRUMENTATION