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implemented check if running on EmuTOS

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This commit is contained in:
Markus Fröschle
2014-09-29 22:42:38 +00:00
parent 465cb67109
commit 2da664e571
1 changed files with 31 additions and 20 deletions
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51
tos/bascook/sources/bascook.c
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@@ -105,37 +105,48 @@ int main(int argc, char *argv[])
struct driver_table *dt;
void *ssp;
void *old_vector;
char **sysbase = (char **) 0x4f2;
(void) Cconws("retrieve BaS driver interface\r\n");
ssp = (void *) Super(0L);
ssp = (void *) Super(0L); /* go to supervisor mode, we are doing dirty tricks */
old_vector = Setexc(0x20, my_own_trap0_handler); /* set our own temporarily */
dt = get_bas_drivers(); /* trap #1 */
(void) Setexc(0x20, old_vector); /* restore original vector */
if (dt)
/*
* first check if we are on EmuTOS, FireTOS want's to do everything itself
*/
if (* (long *)(*sysbase + 0x2c) == 0x45544f53)
{
struct generic_interface *ifc = &dt->interfaces[0];
old_vector = Setexc(0x20, my_own_trap0_handler); /* set our own temporarily */
dt = get_bas_drivers(); /* trap #1 */
(void) Setexc(0x20, old_vector); /* restore original vector */
printf("BaS driver table found at %p, BaS version is %d.%d\r\n", dt,
dt->bas_version, dt->bas_revision);
while (ifc->type != END_OF_DRIVERS)
if (dt)
{
printf("driver \"%s (%s)\" found,\r\n"
"interface type is %d (%s),\r\n"
"version %d.%d\r\n\r\n",
ifc->name, ifc->description, ifc->type, dt_to_str(ifc->type),
ifc->version, ifc->revision);
if (ifc->type == MCD_DRIVER)
struct generic_interface *ifc = &dt->interfaces[0];
printf("BaS driver table found at %p, BaS version is %d.%d\r\n", dt,
dt->bas_version, dt->bas_revision);
while (ifc->type != END_OF_DRIVERS)
{
setcookie(COOKIE_DMAC, (uint32_t) ifc->interface.dma);
printf("\r\nDMAC cookie set to %p\r\n", ifc->interface.dma);
printf("driver \"%s (%s)\" found,\r\n"
"interface type is %d (%s),\r\n"
"version %d.%d\r\n\r\n",
ifc->name, ifc->description, ifc->type, dt_to_str(ifc->type),
ifc->version, ifc->revision);
if (ifc->type == MCD_DRIVER)
{
setcookie(COOKIE_DMAC, (uint32_t) ifc->interface.dma);
printf("\r\nDMAC cookie set to %p\r\n", ifc->interface.dma);
}
ifc++;
}
ifc++;
}
}
else
{
printf("not running on EmuTOS, exiting\r\n");
}
Super(ssp);
while (Cconis()) Cconin(); /* eat keys */