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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/tests/callreal.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/tests/callreal.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/tests/callreal.c b/board/MAI/bios_emulator/scitech/src/pm/tests/callreal.c deleted file mode 100644 index 4d37cab465..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/tests/callreal.c +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: any -* -* Description: Test program to check the ability to call a real mode -* procedure. We simply copy a terribly simple assembly -* language routine into a real mode block that we allocate, -* and then attempt to call the routine and verify that it -* was successful. -* -* Functions tested: PM_allocRealSeg() -* PM_freeRealSeg() -* PM_callRealMode() -* -****************************************************************************/ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "pmapi.h" - -/* Block of real mode code we will eventually call */ - -static unsigned char realModeCode[] = { - 0x93, /* xchg ax,bx */ - 0x87, 0xCA, /* xchg cx,dx */ - 0xCB /* retf */ - }; - -int main(void) -{ - RMREGS regs; - RMSREGS sregs; - uchar *p; - unsigned r_seg,r_off; - - printf("Program running in "); - switch (PM_getModeType()) { - case PM_realMode: - printf("real mode.\n\n"); - break; - case PM_286: - printf("16 bit protected mode.\n\n"); - break; - case PM_386: - printf("32 bit protected mode.\n\n"); - break; - } - - /* Allocate a the block of real mode memory */ - if ((p = PM_allocRealSeg(sizeof(realModeCode), &r_seg, &r_off)) == NULL) { - printf("Unable to allocate real mode memory!\n"); - exit(1); - } - - /* Copy the real mode code */ - memcpy(p,realModeCode,sizeof(realModeCode)); - - /* Now call the real mode code */ - regs.x.ax = 1; - regs.x.bx = 2; - regs.x.cx = 3; - regs.x.dx = 4; - regs.x.si = 5; - regs.x.di = 6; - sregs.es = 7; - sregs.ds = 8; - PM_callRealMode(r_seg,r_off,®s,&sregs); - if (regs.x.ax != 2 || regs.x.bx != 1 || regs.x.cx != 4 || regs.x.dx != 3 - || regs.x.si != 5 || regs.x.di != 6 || sregs.es != 7 - || sregs.ds != 8) { - printf("Real mode call failed!\n"); - printf("\n"); - printf("ax = %04X, bx = %04X, cx = %04X, dx = %04X\n", - regs.x.ax,regs.x.bx,regs.x.cx,regs.x.dx); - printf("si = %04X, di = %04X, es = %04X, ds = %04X\n", - regs.x.si,regs.x.di,sregs.es,sregs.ds); - } - else - printf("Real mode call succeeded!\n"); - - /* Free the memory we allocated */ - PM_freeRealSeg(p); - return 0; -} |
