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sdl: a couple minor fixes

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Prevents system SDL from interfering with thread driver selection. Also
adds test code for alignment faults.

Change-Id: I8bc181922c4a9e764429897dbbaa1ffaabd01126
This commit is contained in:
Franklin Wei 2019-07-07 21:51:41 -04:00
parent c7f26de2bf
commit 71922db6cf
3 changed files with 18 additions and 20 deletions
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13
apps/plugins/sdl/main.c
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@ -174,10 +174,21 @@ enum plugin_status plugin_start(const void *param)
(void) param;
#if defined(CPU_ARM) && !defined(SIMULATOR)
/* (don't) set alignment trap */
/* (don't) set alignment trap. Will generate a data abort
* exception on ARM. */
//set_cr(get_cr() | CR_A);
#endif
#if 0
char c = *((char*)NULL);
/* test alignment trap */
unsigned int x = 0x12345678;
char *p = ((char*)&x) + 1;
unsigned short *p2 = (unsigned short*)p;
rb->splashf(HZ, "%04x, %02x%02x", *p2, *(p+1), *p);
#endif
/* don't confuse this with the main SDL thread! */
main_thread_id = rb->thread_self();