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libbase: implement flush_l2_cache for or1k

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Sebastien Bourdeauducq 2015-04-02 16:47:03 +08:00
parent 382ed013af
commit 63f14f3f30
1 changed files with 4 additions and 2 deletions
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6
software/libbase/system.c
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@ -78,10 +78,12 @@ void flush_l2_cache(void)
l2_nwords = 1 << wishbone2lasmi_cachesize_read();
for(i=0;i<2*l2_nwords;i++) {
addr = MAIN_RAM_BASE + i*4;
#ifdef __lm32__
#if defined (__lm32__)
__asm__ volatile("lw %0, (%1+0)\n":"=r"(dummy):"r"(addr));
#elif defined (__or1k__)
__asm__ volatile("l.lwz %0, 0(%1)\n":"=r"(dummy):"r"(addr));
#else
#warning TODO
#error Unsupported architecture
#endif
}
}