diff options
| author | Guan Xuetao <gxt@mprc.pku.edu.cn> | 2012-08-10 14:42:25 +0800 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-08-11 09:36:58 +0000 |
| commit | f3ccc32369532e8a069ea5b7ee201b75e668deab (patch) | |
| tree | 296f9bec6a1d969d912c4717fefc683ee2db7eef /target-unicore32/op_helper.c | |
| parent | 889c134a82ac30f9beafa214b3920b2b39687832 (diff) | |
unicore32-softmmu: Implement softmmu specific functions
This patch implements softmmu specific functions, include tlb_fill,
switch_mode, do_interrupt and uc32_cpu_handle_mmu_fault.
So the full exception handlers and page table walking could work now.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-unicore32/op_helper.c')
| -rw-r--r-- | target-unicore32/op_helper.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/target-unicore32/op_helper.c b/target-unicore32/op_helper.c index 6df30db668..c63789d6cb 100644 --- a/target-unicore32/op_helper.c +++ b/target-unicore32/op_helper.c @@ -267,6 +267,26 @@ uint32_t HELPER(ror_cc)(uint32_t x, uint32_t i) void tlb_fill(CPUUniCore32State *env1, target_ulong addr, int is_write, int mmu_idx, uintptr_t retaddr) { - cpu_abort(env, "%s not supported yet\n", __func__); + TranslationBlock *tb; + CPUUniCore32State *saved_env; + unsigned long pc; + int ret; + + saved_env = env; + env = env1; + ret = uc32_cpu_handle_mmu_fault(env, addr, is_write, mmu_idx); + if (unlikely(ret)) { + if (retaddr) { + /* now we have a real cpu fault */ + pc = (unsigned long)retaddr; + tb = tb_find_pc(pc); + if (tb) {/* the PC is inside the translated code. + It means that we have a virtual CPU fault */ + cpu_restore_state(tb, env, pc); + } + } + cpu_loop_exit(env); + } + env = saved_env; } #endif |