qemu-patch-raspberry4/target-cris/mmu.h
edgar_igl b41f7df018 CRIS updates:
* Support both the I and D MMUs and improve the accuracy of the MMU model.
* Handle the automatic user/kernel stack pointer switching when leaving or entering user mode.
* Move the CCS evaluation into helper funcs.
* Make sure user-mode cannot change flags only writeable in kernel mode.
* More conversion of the translator into TCG.
* Handle exceptions while in a delayslot.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4299 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-02 22:16:17 +00:00

18 lines
400 B
C

#define CRIS_MMU_ERR_EXEC 0
#define CRIS_MMU_ERR_READ 1
#define CRIS_MMU_ERR_WRITE 2
#define CRIS_MMU_ERR_FLUSH 3
struct cris_mmu_result_t
{
uint32_t phy;
uint32_t pfn;
int prot;
int bf_vec;
};
target_ulong cris_mmu_tlb_latest_update(CPUState *env, uint32_t new_lo);
int cris_mmu_translate(struct cris_mmu_result_t *res,
CPUState *env, uint32_t vaddr,
int rw, int mmu_idx);