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| author | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2014-09-01 12:59:48 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-09-01 14:49:20 +0100 |
| commit | 2d30267e8e8ea61a8ee7cf48392d993699cbb114 (patch) | |
| tree | cba80401be9466954259fd470d4f5bb57fad9687 /target-tricore/op_helper.c | |
| parent | e2d05011030d99fa0db1eeab1ca3c8fc497a6c95 (diff) | |
| download | qemu-2d30267e8e8ea61a8ee7cf48392d993699cbb114.tar.gz | |
target-tricore: Add softmmu support
Add basic softmmu support for TriCore
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-id: 1409572800-4116-4-git-send-email-kbastian@mail.uni-paderborn.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-tricore/op_helper.c')
| -rw-r--r-- | target-tricore/op_helper.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c index 275790b10a..c1342e9da5 100644 --- a/target-tricore/op_helper.c +++ b/target-tricore/op_helper.c @@ -20,8 +20,39 @@ #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" +static inline void QEMU_NORETURN do_raise_exception_err(CPUTriCoreState *env, + uint32_t exception, + int error_code, + uintptr_t pc) +{ + CPUState *cs = CPU(tricore_env_get_cpu(env)); + cs->exception_index = exception; + env->error_code = error_code; + + if (pc) { + /* now we have a real cpu fault */ + cpu_restore_state(cs, pc); + } + + cpu_loop_exit(cs); +} + +static inline void QEMU_NORETURN do_raise_exception(CPUTriCoreState *env, + uint32_t exception, + uintptr_t pc) +{ + do_raise_exception_err(env, exception, 0, pc); +} + void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx, uintptr_t retaddr) { + int ret; + ret = cpu_tricore_handle_mmu_fault(cs, addr, is_write, mmu_idx); + if (ret) { + TriCoreCPU *cpu = TRICORE_CPU(cs); + CPUTriCoreState *env = &cpu->env; + do_raise_exception_err(env, cs->exception_index, + env->error_code, retaddr); + } } - |