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better mmuhack usage

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@184 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-07-05 20:33:23 +00:00
parent 576fc63792
commit 9e68ce27d4
2 changed files with 19 additions and 15 deletions
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2
gp2x/main.c
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@ -63,7 +63,7 @@ void parse_cmd_line(int argc, char *argv[])
} }
if (unrecognized) { if (unrecognized) {
printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006\n"); printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2007\n");
printf("usage: %s [options] [romfile]\n", argv[0]); printf("usage: %s [options] [romfile]\n", argv[0]);
printf( "options:\n" printf( "options:\n"
"-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n" "-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n"

28
gp2x/squidgehack.c
View file

@ -12,20 +12,24 @@ extern char **g_argv;
int mmuhack(void) int mmuhack(void)
{ {
char kocmd[1024]; char kocmd[1024];
int i, mmufd = open("/dev/mmuhack", O_RDWR); int i, mmufd;
if(mmufd < 0) { /* some programs like some versions of gpSP use some weird version of mmuhack.o
strcpy(kocmd, "/sbin/insmod "); * which doesn't seem to work. What's even worse they leave their mmuhack loaded on exit.
strncpy(kocmd+13, g_argv[0], 1023-13); * So we must remove whatever may be left and always reload _our_ mmuhack.o */
kocmd[1023] = 0; system("/sbin/rmmod mmuhack");
for (i = strlen(kocmd); i > 0; i--)
if (kocmd[i] == '/') { kocmd[i] = 0; break; } strcpy(kocmd, "/sbin/insmod ");
strcat(kocmd, "/mmuhack.o"); 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);
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; if(mmufd < 0) return 0;
close(mmufd); close(mmufd);