reactos/lib/soft386/soft386.c
Hermès Bélusca-Maïto 2672ec8ee5 [SOFT386]
- In the interface header soft386.h, do not include other particular headers (windows.h and debug.h). Those must be included by the different applications which also will include soft386.h.
- LPVOID --> PVOID (do it general, not just à-la Win32).
- The .c files include the headers, and each .c files must have its "#define NDEBUG\n#include <debug.h>" lines, to activate (or deactivate here in the example) debugging output.
- In the .c files, include the header windef.h for having the basic types, and temporarily comment out the needed #defines which will be needed if one needs to include other win***.h files. Those will be deleted if they aren't needed at the end.

svn path=/branches/ntvdm/; revision=59766
2013-08-17 21:15:55 +00:00

224 lines
7.6 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 *******************************************************************/
// #define WIN32_NO_STATUS
// #define _INC_WINDOWS
#include <windef.h>
#include <soft386.h>
#include "common.h"
// #define NDEBUG
#include <debug.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 */