diff options
author | wdenk <wdenk> | 2002-11-19 11:04:11 +0000 |
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committer | wdenk <wdenk> | 2002-11-19 11:04:11 +0000 |
commit | c7de829c796978e519984df2f1c8cfcf921a39a4 (patch) | |
tree | 43e42aa9a09f5265783c1622a5cea080471ef50e /board/MAI/bios_emulator/scitech/src/pm/tests/key15.c | |
parent | 2262cfeef91458b01a1bfe3812ccbbfdf8b82807 (diff) |
* Patch by Thomas Frieden, 13 Nov 2002:
Add code for AmigaOne board
(preliminary merge to U-Boot, still WIP)
* Patch by Jon Diekema, 12 Nov 2002:
- Adding URL for IEEE OUI lookup
- Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
being defined.
- In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
root-on-nfs macros are designed to switch how the default boot
method gets defined.
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/tests/key15.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/tests/key15.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/tests/key15.c b/board/MAI/bios_emulator/scitech/src/pm/tests/key15.c new file mode 100644 index 0000000000..5c0d27a174 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/tests/key15.c @@ -0,0 +1,96 @@ +/**************************************************************************** +* +* 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 install a C based +* keyboard Int 15h interrupt handler. This is an alternate +* way to intercept scancodes from the keyboard by hooking +* the Int 15h keyboard intercept callout. +* +* Functions tested: PM_setKey15Handler() +* PM_restoreKey15Handler() +* +* +****************************************************************************/ + +#include <stdlib.h> +#include <stdio.h> +#include "pmapi.h" + +volatile long count = 0; +volatile short lastScanCode = 0; + +#pragma off (check_stack) /* No stack checking under Watcom */ + +short PMAPI keyHandler(short scanCode) +{ + count++; + lastScanCode = scanCode; + return scanCode; /* Let BIOS process as normal */ +} + +int main(void) +{ + int ch; + PM_lockHandle lh; + + 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; + } + + /* Install our timer handler and lock handler pages in memory. It is + * difficult to get the size of a function in C, but we know our + * function is well less than 100 bytes (and an entire 4k page will + * need to be locked by the server anyway). + */ + PM_lockCodePages((__codePtr)keyHandler,100,&lh); + PM_lockDataPages((void*)&count,sizeof(count),&lh); + PM_installBreakHandler(); /* We *DONT* want Ctrl-Break's! */ + PM_setKey15Handler(keyHandler); + printf("Keyboard interrupt handler installed - Type some characters and\n"); + printf("hit ESC to exit\n"); + while ((ch = PM_getch()) != 0x1B) { + printf("%c", ch); + fflush(stdout); + } + + PM_restoreKey15Handler(); + PM_restoreBreakHandler(); + PM_unlockDataPages((void*)&count,sizeof(count),&lh); + PM_unlockCodePages((__codePtr)keyHandler,100,&lh); + printf("\n\nKeyboard handler was called %ld times\n", count); + printf("Last scan code %04X\n", lastScanCode); + return 0; +} |