mirror of
https://github.com/reactos/reactos.git
synced 2024-10-21 00:18:26 +00:00
c7b66d26f6
Implement Soft386ReadMemory, Soft386WriteMemory, Soft386StackPush and Soft386StackPop. svn path=/branches/ntvdm/; revision=59760
216 lines
7.5 KiB
C
216 lines
7.5 KiB
C
/*
|
|
* COPYRIGHT: GPL - See COPYING in the top level directory
|
|
* PROJECT: 386/486 CPU Emulation Library
|
|
* FILE: soft386.c
|
|
* PURPOSE: Functions meant for use by the host.
|
|
* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
|
|
*/
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
#include "common.h"
|
|
|
|
/* DEFINES ********************************************************************/
|
|
|
|
typedef enum
|
|
{
|
|
SOFT386_STEP_INTO,
|
|
SOFT386_STEP_OVER,
|
|
SOFT386_STEP_OUT,
|
|
SOFT386_CONTINUE
|
|
} SOFT386_EXEC_CMD;
|
|
|
|
/* PRIVATE FUNCTIONS **********************************************************/
|
|
|
|
static
|
|
inline
|
|
VOID
|
|
NTAPI
|
|
Soft386ExecutionControl(PSOFT386_STATE State, INT Command)
|
|
{
|
|
// TODO: NOT IMPLEMENTED!!!
|
|
UNIMPLEMENTED;
|
|
}
|
|
|
|
/* PUBLIC FUNCTIONS ***********************************************************/
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386Continue(PSOFT386_STATE State)
|
|
{
|
|
/* Call the internal function */
|
|
Soft386ExecutionControl(State, SOFT386_CONTINUE);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386StepInto(PSOFT386_STATE State)
|
|
{
|
|
/* Call the internal function */
|
|
Soft386ExecutionControl(State, SOFT386_STEP_INTO);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386StepOver(PSOFT386_STATE State)
|
|
{
|
|
/* Call the internal function */
|
|
Soft386ExecutionControl(State, SOFT386_STEP_OVER);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386StepOut(PSOFT386_STATE State)
|
|
{
|
|
/* Call the internal function */
|
|
Soft386ExecutionControl(State, SOFT386_STEP_OUT);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386DumpState(PSOFT386_STATE State)
|
|
{
|
|
DPRINT1("\nCPU currently executing in %s mode at %04X:%08X\n"
|
|
"Time Stamp Counter = %016X\n",
|
|
(State->ControlRegisters[0] & SOFT386_CR0_PE) ? "protected" : "real",
|
|
State->SegmentRegs[SOFT386_REG_CS].Selector,
|
|
State->InstPtr.Long,
|
|
State->TimeStampCounter);
|
|
DPRINT1("\nGeneral purpose registers:\n"
|
|
"EAX = %08X\tECX = %08X\tEDX = %08X\tEBX = %08X\n"
|
|
"ESP = %08X\tEBP = %08X\tESI = %08X\tEDI = %08X\n",
|
|
State->GeneralRegs[SOFT386_REG_EAX].Long,
|
|
State->GeneralRegs[SOFT386_REG_ECX].Long,
|
|
State->GeneralRegs[SOFT386_REG_EDX].Long,
|
|
State->GeneralRegs[SOFT386_REG_EBX].Long,
|
|
State->GeneralRegs[SOFT386_REG_ESP].Long,
|
|
State->GeneralRegs[SOFT386_REG_EBP].Long,
|
|
State->GeneralRegs[SOFT386_REG_ESI].Long,
|
|
State->GeneralRegs[SOFT386_REG_EDI].Long);
|
|
DPRINT1("\nSegment registers:\n"
|
|
"ES = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
|
|
"CS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
|
|
"SS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
|
|
"DS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
|
|
"FS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
|
|
"GS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n",
|
|
State->SegmentRegs[SOFT386_REG_ES].Selector,
|
|
State->SegmentRegs[SOFT386_REG_ES].Base,
|
|
State->SegmentRegs[SOFT386_REG_ES].Limit,
|
|
State->SegmentRegs[SOFT386_REG_ES].Dpl,
|
|
State->SegmentRegs[SOFT386_REG_CS].Selector,
|
|
State->SegmentRegs[SOFT386_REG_CS].Base,
|
|
State->SegmentRegs[SOFT386_REG_CS].Limit,
|
|
State->SegmentRegs[SOFT386_REG_CS].Dpl,
|
|
State->SegmentRegs[SOFT386_REG_SS].Selector,
|
|
State->SegmentRegs[SOFT386_REG_SS].Base,
|
|
State->SegmentRegs[SOFT386_REG_SS].Limit,
|
|
State->SegmentRegs[SOFT386_REG_SS].Dpl,
|
|
State->SegmentRegs[SOFT386_REG_DS].Selector,
|
|
State->SegmentRegs[SOFT386_REG_DS].Base,
|
|
State->SegmentRegs[SOFT386_REG_DS].Limit,
|
|
State->SegmentRegs[SOFT386_REG_DS].Dpl,
|
|
State->SegmentRegs[SOFT386_REG_FS].Selector,
|
|
State->SegmentRegs[SOFT386_REG_FS].Base,
|
|
State->SegmentRegs[SOFT386_REG_FS].Limit,
|
|
State->SegmentRegs[SOFT386_REG_FS].Dpl,
|
|
State->SegmentRegs[SOFT386_REG_GS].Selector,
|
|
State->SegmentRegs[SOFT386_REG_GS].Base,
|
|
State->SegmentRegs[SOFT386_REG_GS].Limit,
|
|
State->SegmentRegs[SOFT386_REG_GS].Dpl);
|
|
DPRINT1("\nFlags: %08X (%s %s %s %s %s %s %s %s %s %s %s %s %s %s %s) Iopl: %u\n",
|
|
State->Flags.Long,
|
|
State->Flags.Cf ? "CF" : "cf",
|
|
State->Flags.Pf ? "PF" : "pf",
|
|
State->Flags.Af ? "AF" : "af",
|
|
State->Flags.Zf ? "ZF" : "zf",
|
|
State->Flags.Sf ? "SF" : "sf",
|
|
State->Flags.Tf ? "TF" : "tf",
|
|
State->Flags.If ? "IF" : "if",
|
|
State->Flags.Df ? "DF" : "df",
|
|
State->Flags.Of ? "OF" : "of",
|
|
State->Flags.Nt ? "NT" : "nt",
|
|
State->Flags.Rf ? "RF" : "rf",
|
|
State->Flags.Vm ? "VM" : "vm",
|
|
State->Flags.Ac ? "AC" : "ac",
|
|
State->Flags.Vif ? "VIF" : "vif",
|
|
State->Flags.Vip ? "VIP" : "vip",
|
|
State->Flags.Iopl);
|
|
DPRINT1("\nControl Registers:\n"
|
|
"CR0 = %08X\tCR1 = %08X\tCR2 = %08X\tCR3 = %08X\n"
|
|
"CR4 = %08X\tCR5 = %08X\tCR6 = %08X\tCR7 = %08X\n",
|
|
State->ControlRegisters[SOFT386_REG_CR0],
|
|
State->ControlRegisters[SOFT386_REG_CR1],
|
|
State->ControlRegisters[SOFT386_REG_CR2],
|
|
State->ControlRegisters[SOFT386_REG_CR3],
|
|
State->ControlRegisters[SOFT386_REG_CR4],
|
|
State->ControlRegisters[SOFT386_REG_CR5],
|
|
State->ControlRegisters[SOFT386_REG_CR6],
|
|
State->ControlRegisters[SOFT386_REG_CR7]);
|
|
DPRINT1("\nDebug Registers:\n"
|
|
"DR0 = %08X\tDR1 = %08X\tDR2 = %08X\tDR3 = %08X\n"
|
|
"DR4 = %08X\tDR5 = %08X\tDR6 = %08X\tDR7 = %08X\n",
|
|
State->DebugRegisters[SOFT386_REG_DR0],
|
|
State->DebugRegisters[SOFT386_REG_DR1],
|
|
State->DebugRegisters[SOFT386_REG_DR2],
|
|
State->DebugRegisters[SOFT386_REG_DR3],
|
|
State->DebugRegisters[SOFT386_REG_DR4],
|
|
State->DebugRegisters[SOFT386_REG_DR5],
|
|
State->DebugRegisters[SOFT386_REG_DR6],
|
|
State->DebugRegisters[SOFT386_REG_DR7]);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386Reset(PSOFT386_STATE State)
|
|
{
|
|
INT i;
|
|
SOFT386_MEM_READ_PROC MemReadCallback = State->MemReadCallback;
|
|
SOFT386_MEM_WRITE_PROC MemWriteCallback = State->MemWriteCallback;
|
|
SOFT386_IO_READ_PROC IoReadCallback = State->IoReadCallback;
|
|
SOFT386_IO_WRITE_PROC IoWriteCallback = State->IoWriteCallback;
|
|
|
|
/* Clear the entire structure */
|
|
RtlZeroMemory(State, sizeof(*State));
|
|
|
|
/* Initialize the registers */
|
|
State->Flags.AlwaysSet = 1;
|
|
State->InstPtr.LowWord = 0xFFF0;
|
|
|
|
/* Initialize segments */
|
|
for (i = 0; i < SOFT386_NUM_SEG_REGS; i++)
|
|
{
|
|
/* Set the selector, base and limit, other values don't apply in real mode */
|
|
State->SegmentRegs[i].Selector = 0;
|
|
State->SegmentRegs[i].Base = 0;
|
|
State->SegmentRegs[i].Limit = 0xFFFF;
|
|
}
|
|
|
|
/* Initialize the code segment */
|
|
State->SegmentRegs[SOFT386_REG_CS].Selector = 0xF000;
|
|
State->SegmentRegs[SOFT386_REG_CS].Base = 0xFFFF0000;
|
|
|
|
/* Initialize the IDT */
|
|
State->Idtr.Size = 0x3FF;
|
|
State->Idtr.Address = 0;
|
|
|
|
/* Initialize CR0 */
|
|
State->ControlRegisters[SOFT386_REG_CR0] |= SOFT386_CR0_ET;
|
|
|
|
/* Restore the callbacks */
|
|
State->MemReadCallback = MemReadCallback;
|
|
State->MemWriteCallback = MemWriteCallback;
|
|
State->IoReadCallback = IoReadCallback;
|
|
State->IoWriteCallback = IoWriteCallback;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
Soft386Interrupt(PSOFT386_STATE State, UCHAR Number)
|
|
{
|
|
// TODO: NOT IMPLEMENTED!!!
|
|
UNIMPLEMENTED;
|
|
}
|
|
|
|
/* EOF */
|