2 * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the Open Source and Linux Lab nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include "dyngen-exec.h"
31 #include "host-utils.h"
33 #define MMUSUFFIX _mmu
36 #include "softmmu_template.h"
39 #include "softmmu_template.h"
42 #include "softmmu_template.h"
45 #include "softmmu_template.h"
47 void tlb_fill(target_ulong addr
, int is_write
, int mmu_idx
, void *retaddr
)
49 tlb_set_page(cpu_single_env
,
50 addr
& ~(TARGET_PAGE_SIZE
- 1),
51 addr
& ~(TARGET_PAGE_SIZE
- 1),
52 PAGE_READ
| PAGE_WRITE
| PAGE_EXEC
,
53 mmu_idx
, TARGET_PAGE_SIZE
);
56 void HELPER(exception
)(uint32_t excp
)
58 env
->exception_index
= excp
;
62 void HELPER(exception_cause
)(uint32_t pc
, uint32_t cause
)
67 if (env
->sregs
[PS
] & PS_EXCM
) {
68 if (env
->config
->ndepc
) {
69 env
->sregs
[DEPC
] = pc
;
71 env
->sregs
[EPC1
] = pc
;
75 env
->sregs
[EPC1
] = pc
;
76 vector
= (env
->sregs
[PS
] & PS_UM
) ? EXC_USER
: EXC_KERNEL
;
79 env
->sregs
[EXCCAUSE
] = cause
;
80 env
->sregs
[PS
] |= PS_EXCM
;
82 HELPER(exception
)(vector
);
85 void HELPER(exception_cause_vaddr
)(uint32_t pc
, uint32_t cause
, uint32_t vaddr
)
87 env
->sregs
[EXCVADDR
] = vaddr
;
88 HELPER(exception_cause
)(pc
, cause
);
91 uint32_t HELPER(nsa
)(uint32_t v
)
96 return v
? clz32(v
) - 1 : 31;
99 uint32_t HELPER(nsau
)(uint32_t v
)
101 return v
? clz32(v
) : 32;