@@ -418,8 +418,8 @@ static inline void cpu_get_tb_cpu_state(CPUTriCoreState *env, target_ulong *pc,
#define CPU_RESOLVING_TYPE TYPE_TRICORE_CPU
/* helpers.c */
-int cpu_tricore_handle_mmu_fault(CPUState *cpu, target_ulong address,
- int rw, int mmu_idx);
-#define cpu_handle_mmu_fault cpu_tricore_handle_mmu_fault
+bool tricore_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
+ MMUAccessType access_type, int mmu_idx,
+ bool probe, uintptr_t retaddr);
#endif /* TRICORE_CPU_H */
@@ -166,6 +166,7 @@ static void tricore_cpu_class_init(ObjectClass *c, void *data)
cc->synchronize_from_tb = tricore_cpu_synchronize_from_tb;
cc->get_phys_page_attrs_debug = tricore_cpu_get_phys_page_attrs_debug;
cc->tcg_initialize = tricore_tcg_init;
+ cc->tlb_fill = tricore_cpu_tlb_fill;
}
#define DEFINE_TRICORE_CPU_TYPE(cpu_model, initfn) \
@@ -49,8 +49,9 @@ static void raise_mmu_exception(CPUTriCoreState *env, target_ulong address,
{
}
-int cpu_tricore_handle_mmu_fault(CPUState *cs, target_ulong address,
- int rw, int mmu_idx)
+bool tricore_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
+ MMUAccessType rw, int mmu_idx,
+ bool probe, uintptr_t retaddr)
{
TriCoreCPU *cpu = TRICORE_CPU(cs);
CPUTriCoreState *env = &cpu->env;
@@ -63,20 +64,30 @@ int cpu_tricore_handle_mmu_fault(CPUState *cs, target_ulong address,
access_type = ACCESS_INT;
ret = get_physical_address(env, &physical, &prot,
address, rw, access_type);
- qemu_log_mask(CPU_LOG_MMU, "%s address=" TARGET_FMT_lx " ret %d physical " TARGET_FMT_plx
- " prot %d\n", __func__, address, ret, physical, prot);
+
+ qemu_log_mask(CPU_LOG_MMU, "%s address=" TARGET_FMT_lx " ret %d physical "
+ TARGET_FMT_plx " prot %d\n",
+ __func__, (target_ulong)address, ret, physical, prot);
if (ret == TLBRET_MATCH) {
tlb_set_page(cs, address & TARGET_PAGE_MASK,
physical & TARGET_PAGE_MASK, prot | PAGE_EXEC,
mmu_idx, TARGET_PAGE_SIZE);
- ret = 0;
- } else if (ret < 0) {
+ return true;
+ } else {
+ assert(ret < 0);
+ if (probe) {
+ return false;
+ }
raise_mmu_exception(env, address, rw, ret);
- ret = 1;
+ cpu_loop_exit_restore(cs, retaddr);
}
+}
- return ret;
+void tlb_fill(CPUState *cs, target_ulong addr, int size,
+ MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
+{
+ tricore_cpu_tlb_fill(cs, addr, size, access_type, mmu_idx, false, retaddr);
}
static void tricore_cpu_list_entry(gpointer data, gpointer user_data)
@@ -2793,29 +2793,3 @@ uint32_t helper_psw_read(CPUTriCoreState *env)
{
return psw_read(env);
}
-
-
-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;
- /* now we have a real cpu fault */
- cpu_loop_exit_restore(cs, pc);
-}
-
-void tlb_fill(CPUState *cs, target_ulong addr, int size,
- MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
-{
- int ret;
- ret = cpu_tricore_handle_mmu_fault(cs, addr, access_type, 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);
- }
-}
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/tricore/cpu.h | 6 +++--- target/tricore/cpu.c | 1 + target/tricore/helper.c | 27 +++++++++++++++++++-------- target/tricore/op_helper.c | 26 -------------------------- 4 files changed, 23 insertions(+), 37 deletions(-)