1 /*****************************************************************************/
5 /* Loader module for EM drivers */
9 /* (C) 2002 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
40 #include <em/em-kernel.h>
44 unsigned char __fastcall__ em_load (unsigned char driver)
45 /* Load the extended memory driver and return an error code. */
47 return EM_ERR_NO_DRIVER;
52 unsigned char __fastcall__ em_load_driver (const char* name)
53 /* Load an extended memory driver and return an error code */
55 static struct mod_ctrl ctrl = {
56 read /* Read from disk */
60 /* Check if we do already have a driver loaded. If so, remove it. */
65 /* Now open the file */
66 ctrl.callerdata = open (name, O_RDONLY);
67 if (ctrl.callerdata >= 0) {
70 Res = mod_load (&ctrl);
72 /* Close the input file */
73 close (ctrl.callerdata);
75 /* Check the return code */
76 if (Res == MLOAD_OK) {
78 /* Check the driver signature, install the driver */
79 return em_install (ctrl.module);
84 /* Error loading the driver */
85 return EM_ERR_CANNOT_LOAD;