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Commit f0e1c04b authored by Jukka Heinonen's avatar Jukka Heinonen Committed by Alexandre Julliard
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Replace FIXMEs with TRACEs in those paging functions that really are

not supposed to do anything. Add simple emulation of coprocessor state functions.
parent f92c8ca4
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Showing with 54 additions and 15 deletions
dlls/winedos/int31.c
View file @ f0e1c04b
......@@ -1205,24 +1205,24 @@ void WINAPI DOSVM_Int31Handler( CONTEXT86 *context )
break;
case 0x0507: /* Set page attributes (1.0) */
FIXME("set page attributes unimplemented\n");
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 */
TRACE( "lock linear region - ignored (no paging)\n" );
break;
case 0x0601: /* Unlock linear region */
FIXME("unlock linear region unimplemented\n");
break; /* Just ignore it */
TRACE( "unlock linear region - ignored (no paging)\n" );
break;
case 0x0602: /* Unlock real-mode region */
FIXME("unlock realmode region unimplemented\n");
break; /* Just ignore it */
case 0x0602: /* Mark real mode region as pageable */
TRACE( "mark real mode region as pageable - ignored (no paging)\n" );
break;
case 0x0603: /* Lock real-mode region */
FIXME("lock realmode region unimplemented\n");
break; /* Just ignore it */
case 0x0603: /* Relock real mode region */
TRACE( "relock real mode region - ignored (no paging)\n" );
break;
case 0x0604: /* Get page size */
TRACE("get pagesize\n");
......@@ -1231,18 +1231,57 @@ void WINAPI DOSVM_Int31Handler( CONTEXT86 *context )
break;
case 0x0702: /* Mark page as demand-paging candidate */
FIXME("mark page as demand-paging candidate\n");
break; /* Just ignore it */
TRACE( "mark page as demand-paging candidate - ignored (no paging)\n" );
break;
case 0x0703: /* Discard page contents */
FIXME("discard page contents\n");
break; /* Just ignore it */
TRACE( "discard page contents - ignored (no paging)\n" );
break;
case 0x0800: /* Physical address mapping */
FIXME( "physical address mapping (0x%08lx) - unimplemented\n",
MAKELONG(CX_reg(context),BX_reg(context)) );
break;
case 0x0e00: /* Get Coprocessor Status (1.0) */
/*
* Return status in AX bits:
* B0 - MPv (MP bit in the virtual MSW/CR0)
* 0 = numeric coprocessor is disabled for this client
* 1 = numeric coprocessor is enabled for this client
* B1 - EMv (EM bit in the virtual MSW/CR0)
* 0 = client is not emulating coprocessor instructions
* 1 = client is emulating coprocessor instructions
* B2 - MPr (MP bit from the actual MSW/CR0)
* 0 = numeric coprocessor is not present
* 1 = numeric coprocessor is present
* B3 - EMr (EM bit from the actual MSW/CR0)
* 0 = host is not emulating coprocessor instructions
* 1 = host is emulating coprocessor instructions
* B4-B7 - coprocessor type
* 00H = no coprocessor
* 02H = 80287
* 03H = 80387
* 04H = 80486 with numeric coprocessor
* 05H-0FH = reserved for future numeric processors
*/
TRACE( "Get Coprocessor Status\n" );
SET_AX( context, 69 ); /* 486, coprocessor present and enabled */
break;
case 0x0e01: /* Set Coprocessor Emulation (1.0) */
/*
* See function 0x0e00.
* BX bit B0 is new value for MPv.
* BX bit B1 is new value for EMv.
*/
if (BX_reg(context) != 1)
FIXME( "Set Coprocessor Emulation to %d - unimplemented\n",
BX_reg(context) );
else
TRACE( "Set Coprocessor Emulation - ignored\n" );
break;
default:
INT_BARF( context, 0x31 );
SET_AX( context, 0x8001 ); /* unsupported function */
......
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