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20#include "qemu/osdep.h"
21#include "cpu.h"
22#include "exec/helper-proto.h"
23#include "exec/exec-all.h"
24#include "exec/cpu_ldst.h"
25
26
27#ifndef CONFIG_USER_ONLY
28void alpha_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
29 MMUAccessType access_type,
30 int mmu_idx, uintptr_t retaddr)
31{
32 AlphaCPU *cpu = ALPHA_CPU(cs);
33 CPUAlphaState *env = &cpu->env;
34 uint64_t pc;
35 uint32_t insn;
36
37 cpu_restore_state(cs, retaddr, true);
38
39 pc = env->pc;
40 insn = cpu_ldl_code(env, pc);
41
42 env->trap_arg0 = addr;
43 env->trap_arg1 = insn >> 26;
44 env->trap_arg2 = (insn >> 21) & 31;
45 cs->exception_index = EXCP_UNALIGN;
46 env->error_code = 0;
47 cpu_loop_exit(cs);
48}
49
50void alpha_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
51 vaddr addr, unsigned size,
52 MMUAccessType access_type,
53 int mmu_idx, MemTxAttrs attrs,
54 MemTxResult response, uintptr_t retaddr)
55{
56 AlphaCPU *cpu = ALPHA_CPU(cs);
57 CPUAlphaState *env = &cpu->env;
58
59 env->trap_arg0 = addr;
60 env->trap_arg1 = access_type == MMU_DATA_STORE ? 1 : 0;
61 cs->exception_index = EXCP_MCHK;
62 env->error_code = 0;
63 cpu_loop_exit_restore(cs, retaddr);
64}
65
66
67
68
69
70void tlb_fill(CPUState *cs, target_ulong addr, int size,
71 MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
72{
73 int ret;
74
75 ret = alpha_cpu_handle_mmu_fault(cs, addr, size, access_type, mmu_idx);
76 if (unlikely(ret != 0)) {
77
78 cpu_loop_exit_restore(cs, retaddr);
79 }
80}
81#endif
82