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Move most int31 functions to winedos. 

Add DPMI32 fixes.
This commit is contained in:
Jukka Heinonen 2002-11-06 19:54:39 +00:00 committed by Alexandre Julliard
parent c9df52c381
commit 23be4ff094
1 changed files with 219 additions and 21 deletions
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240
dlls/winedos/int31.c
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@ -355,7 +355,9 @@ void WINAPI DOSVM_CallRMInt( CONTEXT86 *context )
{
CONTEXT86 realmode_ctx;
FARPROC16 rm_int = DOSVM_GetRMHandler( BL_reg(context) );
REALMODECALL *call = MapSL( MAKESEGPTR( context->SegEs, DI_reg(context) ));
REALMODECALL *call = CTX_SEG_OFF_TO_LIN( context,
context->SegEs,
context->Edi );
INT_GetRealModeContext( call, &realmode_ctx );
/* we need to check if a real-mode program has hooked the interrupt */
@ -380,7 +382,9 @@ void WINAPI DOSVM_CallRMInt( CONTEXT86 *context )
*/
void WINAPI DOSVM_CallRMProc( CONTEXT86 *context, int iret )
{
REALMODECALL *p = MapSL( MAKESEGPTR( context->SegEs, DI_reg(context) ));
REALMODECALL *p = CTX_SEG_OFF_TO_LIN( context,
context->SegEs,
context->Edi );
CONTEXT86 context16;
TRACE("RealModeCall: EAX=%08lx EBX=%08lx ECX=%08lx EDX=%08lx\n",
@ -585,10 +589,9 @@ void WINAPI DOSVM_AllocRMCB( CONTEXT86 *context )
if (NewRMCB)
{
/* FIXME: if 32-bit DPMI client, use ESI and EDI */
NewRMCB->proc_ofs = LOWORD(context->Esi);
NewRMCB->proc_ofs = DOSVM_IsDos32() ? context->Esi : LOWORD(context->Esi);
NewRMCB->proc_sel = context->SegDs;
NewRMCB->regs_ofs = LOWORD(context->Edi);
NewRMCB->regs_ofs = DOSVM_IsDos32() ? context->Edi : LOWORD(context->Edi);
NewRMCB->regs_sel = context->SegEs;
SET_LOWORD( context->Ecx, HIWORD(NewRMCB->address) );
SET_LOWORD( context->Edx, LOWORD(NewRMCB->address) );
@ -666,7 +669,7 @@ static BOOL DOSVM_CheckWrappers( CONTEXT86 *context )
}
/**********************************************************************
* DOSVM_Int31Handler
* DOSVM_Int31Handler (WINEDOS16.149)
*
* Handler for int 31h (DPMI).
*/
@ -678,22 +681,99 @@ void WINAPI DOSVM_Int31Handler( CONTEXT86 *context )
RESET_CFLAG(context);
switch(AX_reg(context))
{
case 0x0000: /* Allocate LDT descriptors */
TRACE( "allocate LDT descriptors (%d)\n", CX_reg(context) );
{
WORD sel = AllocSelectorArray16( CX_reg(context) );
if(!sel)
{
TRACE( "failed\n" );
SET_AX( context, 0x8011 ); /* descriptor unavailable */
SET_CFLAG( context );
}
else
{
TRACE( "success, array starts at 0x%04x\n", sel );
SET_AX( context, sel );
}
}
break;
case 0x0001: /* Free LDT descriptor */
TRACE( "free LDT descriptor (0x%04x)\n", BX_reg(context) );
if (FreeSelector16( BX_reg(context) ))
{
SET_AX( context, 0x8022 ); /* invalid selector */
SET_CFLAG( context );
}
else
{
/* If a segment register contains the selector being freed, */
/* set it to zero. */
if (!((context->SegDs^BX_reg(context)) & ~3)) context->SegDs = 0;
if (!((context->SegEs^BX_reg(context)) & ~3)) context->SegEs = 0;
if (!((context->SegFs^BX_reg(context)) & ~3)) context->SegFs = 0;
if (!((context->SegGs^BX_reg(context)) & ~3)) context->SegGs = 0;
}
break;
case 0x0002: /* Real mode segment to descriptor */
case 0x0003: /* Get next selector increment */
case 0x0004: /* Lock selector (not supported) */
case 0x0005: /* Unlock selector (not supported) */
case 0x0006: /* Get selector base address */
case 0x0007: /* Set selector base address */
/* chain to protected mode handler */
INT_Int31Handler( context ); /* FIXME: move DPMI code here */
break;
case 0x0008: /* Set selector limit */
{
DWORD limit = MAKELONG( DX_reg(context), CX_reg(context) );
TRACE( "set selector limit (0x%04x,0x%08lx)\n",
BX_reg(context), limit );
SetSelectorLimit16( BX_reg(context), limit );
}
DWORD limit = MAKELONG( DX_reg(context), CX_reg(context) );
TRACE( "set selector limit (0x%04x,0x%08lx)\n",
BX_reg(context), limit );
SetSelectorLimit16( BX_reg(context), limit );
}
break;
case 0x0009: /* Set selector access rights */
case 0x000a: /* Allocate selector alias */
case 0x000b: /* Get descriptor */
case 0x000c: /* Set descriptor */
case 0x000d: /* Allocate specific LDT descriptor */
case 0x0100: /* Allocate DOS memory block */
case 0x0101: /* Free DOS memory block */
/* chain to protected mode handler */
INT_Int31Handler( context ); /* FIXME: move DPMI code here */
break;
case 0x0200: /* get real mode interrupt vector */
TRACE( "get realmode interupt vector (0x%02x)\n",
BL_reg(context) );
{
FARPROC16 proc = DOSVM_GetRMHandler( BL_reg(context) );
SET_CX( context, SELECTOROF(proc) );
SET_DX( context, OFFSETOF(proc) );
}
break;
case 0x0201: /* set real mode interrupt vector */
TRACE( "set realmode interrupt vector (0x%02x, 0x%04x:0x%04x)\n",
BL_reg(context), CX_reg(context), DX_reg(context) );
DOSVM_SetRMHandler( BL_reg(context),
(FARPROC16)MAKESEGPTR(CX_reg(context), DX_reg(context)) );
break;
case 0x0202: /* Get Processor Exception Handler Vector */
FIXME( "Get Processor Exception Handler Vector (0x%02x)\n",
BL_reg(context) );
if (DOSVM_IsDos32()) {
if (DOSVM_IsDos32())
{
SET_CX( context, 0 );
context->Edx = 0;
} else {
}
else
{
SET_CX( context, 0 );
SET_DX( context, 0 );
}
@ -701,17 +781,20 @@ void WINAPI DOSVM_Int31Handler( CONTEXT86 *context )
case 0x0203: /* Set Processor Exception Handler Vector */
FIXME( "Set Processor Exception Handler Vector (0x%02x)\n",
BL_reg(context) );
BL_reg(context) );
break;
case 0x0204: /* Get protected mode interrupt vector */
TRACE("get protected mode interrupt handler (0x%02x)\n",
BL_reg(context));
if (DOSVM_IsDos32()) {
BL_reg(context));
if (DOSVM_IsDos32())
{
FARPROC48 handler = DOSVM_GetPMHandler48( BL_reg(context) );
SET_CX( context, handler.selector );
context->Edx = handler.offset;
} else {
}
else
{
FARPROC16 handler = DOSVM_GetPMHandler16( BL_reg(context) );
SET_CX( context, SELECTOROF(handler) );
SET_DX( context, OFFSETOF(handler) );
@ -720,21 +803,136 @@ void WINAPI DOSVM_Int31Handler( CONTEXT86 *context )
case 0x0205: /* Set protected mode interrupt vector */
TRACE("set protected mode interrupt handler (0x%02x,0x%04x:0x%08lx)\n",
BL_reg(context), CX_reg(context), context->Edx);
if (DOSVM_IsDos32()) {
BL_reg(context), CX_reg(context), context->Edx);
if (DOSVM_IsDos32())
{
FARPROC48 handler;
handler.selector = CX_reg(context);
handler.offset = context->Edx;
DOSVM_SetPMHandler48( BL_reg(context), handler );
} else {
}
else
{
FARPROC16 handler;
handler = (FARPROC16)MAKESEGPTR( CX_reg(context), DX_reg(context));
DOSVM_SetPMHandler16( BL_reg(context), handler );
}
break;
default:
case 0x0300: /* Simulate real mode interrupt */
DOSVM_CallRMInt( context );
break;
case 0x0301: /* Call real mode procedure with far return */
DOSVM_CallRMProc( context, FALSE );
break;
case 0x0302: /* Call real mode procedure with interrupt return */
DOSVM_CallRMProc( context, TRUE );
break;
case 0x0303: /* Allocate Real Mode Callback Address */
DOSVM_AllocRMCB( context );
break;
case 0x0304: /* Free Real Mode Callback Address */
DOSVM_FreeRMCB( context );
break;
case 0x0305: /* Get State Save/Restore Addresses */
TRACE("get state save/restore addresses\n");
/* we probably won't need this kind of state saving */
SET_AX( context, 0 );
/* real mode: just point to the lret */
SET_BX( context, DOSVM_dpmi_segments->wrap_seg );
SET_CX( context, 2 );
/* protected mode: don't have any handler yet... */
/* FIXME: Use DI in 16-bit DPMI and EDI in 32-bit DPMI */
FIXME("no protected-mode dummy state save/restore handler yet\n");
SET_SI( context, 0 );
context->Edi = 0;
break;
case 0x0306: /* Get Raw Mode Switch Addresses */
TRACE("get raw mode switch addresses\n");
/* real mode, point to standard DPMI return wrapper */
SET_BX( context, DOSVM_dpmi_segments->wrap_seg );
SET_CX( context, 0 );
/* protected mode, point to DPMI call wrapper */
/* FIXME: Use DI in 16-bit DPMI and EDI in 32-bit DPMI */
/* FIXME: Doesn't work in DPMI32... */
SET_SI( context, DOSVM_dpmi_segments->dpmi_sel );
context->Edi = 8; /* offset of the INT 0x31 call */
break;
case 0x0400: /* Get DPMI version */
TRACE("get DPMI version\n");
{
SYSTEM_INFO si;
GetSystemInfo(&si);
SET_AX( context, 0x005a ); /* DPMI version 0.90 */
SET_BX( context, 0x0005 ); /* Flags: 32-bit, virtual memory */
SET_CL( context, si.wProcessorLevel );
SET_DX( context, 0x0102 ); /* Master/slave interrupt controller base */
}
break;
case 0x0500: /* Get free memory information */
case 0x0501: /* Allocate memory block */
case 0x0502: /* Free memory block */
case 0x0503: /* Resize memory block */
/* chain to protected mode handler */
INT_Int31Handler( context ); /* FIXME: move DPMI code here */
break;
case 0x0507: /* Set page attributes (1.0) */
FIXME("set page attributes unimplemented\n");
break; /* Just ignore it */
case 0x0600: /* Lock linear region */
FIXME("lock linear region unimplemented\n");
break; /* Just ignore it */
case 0x0601: /* Unlock linear region */
FIXME("unlock linear region unimplemented\n");
break; /* Just ignore it */
case 0x0602: /* Unlock real-mode region */
FIXME("unlock realmode region unimplemented\n");
break; /* Just ignore it */
case 0x0603: /* Lock real-mode region */
FIXME("lock realmode region unimplemented\n");
break; /* Just ignore it */
case 0x0604: /* Get page size */
TRACE("get pagesize\n");
SET_BX( context, HIWORD(getpagesize()) );
SET_CX( context, LOWORD(getpagesize()) );
break;
case 0x0702: /* Mark page as demand-paging candidate */
FIXME("mark page as demand-paging candidate\n");
break; /* Just ignore it */
case 0x0703: /* Discard page contents */
FIXME("discard page contents\n");
break; /* Just ignore it */
case 0x0800: /* Physical address mapping */
/* chain to protected mode handler */
INT_Int31Handler( context ); /* FIXME: move DPMI code here */
break;
default:
INT_BARF( context, 0x31 );
SET_AX( context, 0x8001 ); /* unsupported function */
SET_CFLAG(context);
break;
}
}