| /* |
| * Interrupt vectors emulation |
| * |
| * Copyright 1995 Alexandre Julliard |
| */ |
| |
| #include <sys/types.h> |
| #include "windef.h" |
| #include "wine/winbase16.h" |
| #include "miscemu.h" |
| #include "msdos.h" |
| #include "module.h" |
| #include "debugtools.h" |
| |
| DEFAULT_DEBUG_CHANNEL(int); |
| |
| static FARPROC16 INT_Vectors[256]; |
| |
| /* Ordinal number for interrupt 0 handler in WPROCS.DLL */ |
| #define FIRST_INTERRUPT 100 |
| |
| |
| /********************************************************************** |
| * INT_GetPMHandler |
| * |
| * Return the protected mode interrupt vector for a given interrupt. |
| */ |
| FARPROC16 INT_GetPMHandler( BYTE intnum ) |
| { |
| if (!INT_Vectors[intnum]) |
| { |
| static HMODULE16 wprocs; |
| if (!wprocs) |
| { |
| if (((wprocs = GetModuleHandle16( "wprocs" )) < 32) && |
| ((wprocs = LoadLibrary16( "wprocs" )) < 32)) |
| { |
| ERR("could not load wprocs.dll\n"); |
| return 0; |
| } |
| } |
| if (!(INT_Vectors[intnum] = GetProcAddress16( wprocs, (LPCSTR)(FIRST_INTERRUPT + intnum)))) |
| { |
| WARN("int%x not implemented, returning dummy handler\n", intnum ); |
| INT_Vectors[intnum] = GetProcAddress16( wprocs, (LPCSTR)(FIRST_INTERRUPT + 256) ); |
| } |
| } |
| return INT_Vectors[intnum]; |
| } |
| |
| |
| /********************************************************************** |
| * INT_SetPMHandler |
| * |
| * Set the protected mode interrupt handler for a given interrupt. |
| */ |
| void INT_SetPMHandler( BYTE intnum, FARPROC16 handler ) |
| { |
| TRACE("Set protected mode interrupt vector %02x <- %04x:%04x\n", |
| intnum, HIWORD(handler), LOWORD(handler) ); |
| INT_Vectors[intnum] = handler; |
| } |
| |
| |
| /********************************************************************** |
| * INT_DefaultHandler (WPROCS.356) |
| * |
| * Default interrupt handler. |
| */ |
| void WINAPI INT_DefaultHandler( CONTEXT86 *context ) |
| { |
| } |