#ifndef QEMU_CACHE_UTILS_H #define QEMU_CACHE_UTILS_H #if defined(_ARCH_PPC) #include <stdint.h> /* uintptr_t */ struct qemu_cache_conf { unsigned long dcache_bsize; unsigned long icache_bsize; }; extern struct qemu_cache_conf qemu_cache_conf; void qemu_cache_utils_init(char **envp); /* mildly adjusted code from tcg-dyngen.c */ static inline void flush_icache_range(uintptr_t start, uintptr_t stop) { unsigned long p, start1, stop1; unsigned long dsize = qemu_cache_conf.dcache_bsize; unsigned long isize = qemu_cache_conf.icache_bsize; start1 = start & ~(dsize - 1); stop1 = (stop + dsize - 1) & ~(dsize - 1); for (p = start1; p < stop1; p += dsize) { asm volatile ("dcbst 0,%0" : : "r"(p) : "memory"); } asm volatile ("sync" : : : "memory"); start &= start & ~(isize - 1); stop1 = (stop + isize - 1) & ~(isize - 1); for (p = start1; p < stop1; p += isize) { asm volatile ("icbi 0,%0" : : "r"(p) : "memory"); } asm volatile ("sync" : : : "memory"); asm volatile ("isync" : : : "memory"); } #else #define qemu_cache_utils_init(envp) do { (void) (envp); } while (0) #endif #endif /* QEMU_CACHE_UTILS_H */