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- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <unistd.h>
- extern char **g_argv;
- /* Call this MMU Hack kernel module after doing mmap, and before doing memset*/
- int mmuhack(void)
- {
- char kocmd[1024];
- int i, mmufd = open("/dev/mmuhack", O_RDWR);
- if(mmufd < 0) {
- strcpy(kocmd, "/sbin/insmod ");
- strncpy(kocmd+13, g_argv[0], 1023-13);
- kocmd[1023] = 0;
- for (i = strlen(kocmd); i > 0; i--)
- if (kocmd[i] == '/') { kocmd[i] = 0; break; }
- strcat(kocmd, "/mmuhack.o");
- printf("Installing NK's kernel module for Squidge MMU Hack (%s)...\n", kocmd);
- system(kocmd);
- mmufd = open("/dev/mmuhack", O_RDWR);
- }
- if(mmufd < 0) return 0;
-
- close(mmufd);
- return 1;
- }
- /* Unload MMU Hack kernel module after closing all memory devices*/
- int mmuunhack(void)
- {
- int ret;
- printf("Removing NK's kernel module for Squidge MMU Hack... "); fflush(stdout);
- ret = system("/sbin/rmmod mmuhack");
- printf("done (%i)\n", ret);
- return ret;
- }
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