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litex/misoc/software/include/base/system.h

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Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
#ifndef __SYSTEM_H
#define __SYSTEM_H
software/include/base: C++ compatibility
2013-03-25 09:38:58 -04:00
#ifdef __cplusplus
extern "C" {
#endif
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
void flush_cpu_icache(void);
void flush_cpu_dcache(void);
add L2 cache size in identifier + function to flush L2
2013-11-16 10:27:21 -05:00
void flush_l2_cache(void);
software/include/base: C++ compatibility
2013-03-25 09:38:58 -04:00
Initial mor1kx (OpenRISC) support Based on milkymist-ng-mor1kx by Stefan Kristiansson
2014-05-14 04:24:56 -04:00
#ifdef __or1k__
#include <spr-defs.h>
static inline unsigned long mfspr(unsigned long add)
{
unsigned long ret;
__asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
return ret;
}
static inline void mtspr(unsigned long add, unsigned long val)
{
__asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val));
}
#endif
software/include/base: C++ compatibility
2013-03-25 09:38:58 -04:00
#ifdef __cplusplus
}
#endif
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
#endif /* __SYSTEM_H */