Archipelago » qemu

/* Instruction cache invalidation helper */

void glue(do_icbi, MEMSUFFIX) (void)

{

    uint32_t tmp;

    /* Invalidate one cache line :

     * PowerPC specification says this is to be treated like a load

     * (not a fetch) by the MMU. To be sure it will be so,

     * do the load "by hand".

     */

    tmp = glue(ldl, MEMSUFFIX)((uint32_t)T0);

    T0 &= ~(ICACHE_LINE_SIZE - 1);

    tb_invalidate_page_range((uint32_t)T0, (uint32_t)(T0 + ICACHE_LINE_SIZE));

}

#if defined(TARGET_PPC64)

void glue(do_icbi_64, MEMSUFFIX) (void)

{

    uint64_t tmp;

    /* Invalidate one cache line :

     * PowerPC specification says this is to be treated like a load

     * (not a fetch) by the MMU. To be sure it will be so,

     * do the load "by hand".

     */

    tmp = glue(ldq, MEMSUFFIX)((uint64_t)T0);

    T0 &= ~(ICACHE_LINE_SIZE - 1);

    tb_invalidate_page_range((uint64_t)T0, (uint64_t)(T0 + ICACHE_LINE_SIZE));

}

#endif