/* we had marked 'doit' as 'noreturn'.
* There is no apparent harm in leaving it as something we can return from, and in the one
* case where we call a payload, the payload is allowed to return.
* Hence, leave it as something we can return from.
*/
void stage_exit(void *addr)
{
void (*doit)(void) = addr;
/* make sure any code we installed is written to memory. Not all ARM have
* unified caches.
*/
dcache_clean_invalidate_all();
/* Because most stages copy code to memory, it's a safe and hygienic thing
* to flush the icache here.
*/
icache_invalidate_all();
doit();
}
void arch_program_segment_loaded(void const *addr, size_t len)
{
dcache_clean_invalidate_by_mva(addr, len);
icache_invalidate_all();
}
void cache_sync_instructions(void)
{
dcache_clean_all(); /* includes trailing DSB (in assembly) */
icache_invalidate_all(); /* includes leading DSB and trailing ISB */
}