#include <asm/cacheflush.h>
#include <asm/dma.h>
+#include <asm/cachectl.h>
+#include <asm/ptrace.h>
asmlinkage void *sys_sram_alloc(size_t size, unsigned long flags)
{
return ret;
}
+
+SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len, int, op)
+{
+ if (is_user_addr_valid(current, addr, len) != 0)
+ return -EINVAL;
+
+ if (op & DCACHE)
+ blackfin_dcache_flush_range(addr, addr + len);
+ if (op & ICACHE)
+ blackfin_icache_flush_range(addr, addr + len);
+
+ return 0;
+}