cpu: Move halted and interrupt_request fields to CPUState
[qemu.git] / target-lm32 / op_helper.c
1 #include <assert.h>
2 #include "cpu.h"
3 #include "helper.h"
4 #include "qemu/host-utils.h"
5
6 #include "hw/lm32_pic.h"
7 #include "hw/lm32_juart.h"
8
9 #if !defined(CONFIG_USER_ONLY)
10 #define MMUSUFFIX _mmu
11 #define SHIFT 0
12 #include "exec/softmmu_template.h"
13 #define SHIFT 1
14 #include "exec/softmmu_template.h"
15 #define SHIFT 2
16 #include "exec/softmmu_template.h"
17 #define SHIFT 3
18 #include "exec/softmmu_template.h"
19
20 void helper_raise_exception(CPULM32State *env, uint32_t index)
21 {
22 env->exception_index = index;
23 cpu_loop_exit(env);
24 }
25
26 void helper_hlt(CPULM32State *env)
27 {
28 CPUState *cs = CPU(lm32_env_get_cpu(env));
29
30 cs->halted = 1;
31 env->exception_index = EXCP_HLT;
32 cpu_loop_exit(env);
33 }
34
35 void helper_wcsr_im(CPULM32State *env, uint32_t im)
36 {
37 lm32_pic_set_im(env->pic_state, im);
38 }
39
40 void helper_wcsr_ip(CPULM32State *env, uint32_t im)
41 {
42 lm32_pic_set_ip(env->pic_state, im);
43 }
44
45 void helper_wcsr_jtx(CPULM32State *env, uint32_t jtx)
46 {
47 lm32_juart_set_jtx(env->juart_state, jtx);
48 }
49
50 void helper_wcsr_jrx(CPULM32State *env, uint32_t jrx)
51 {
52 lm32_juart_set_jrx(env->juart_state, jrx);
53 }
54
55 uint32_t helper_rcsr_im(CPULM32State *env)
56 {
57 return lm32_pic_get_im(env->pic_state);
58 }
59
60 uint32_t helper_rcsr_ip(CPULM32State *env)
61 {
62 return lm32_pic_get_ip(env->pic_state);
63 }
64
65 uint32_t helper_rcsr_jtx(CPULM32State *env)
66 {
67 return lm32_juart_get_jtx(env->juart_state);
68 }
69
70 uint32_t helper_rcsr_jrx(CPULM32State *env)
71 {
72 return lm32_juart_get_jrx(env->juart_state);
73 }
74
75 /* Try to fill the TLB and return an exception if error. If retaddr is
76 NULL, it means that the function was called in C code (i.e. not
77 from generated code or from helper.c) */
78 void tlb_fill(CPULM32State *env, target_ulong addr, int is_write, int mmu_idx,
79 uintptr_t retaddr)
80 {
81 int ret;
82
83 ret = cpu_lm32_handle_mmu_fault(env, addr, is_write, mmu_idx);
84 if (unlikely(ret)) {
85 if (retaddr) {
86 /* now we have a real cpu fault */
87 cpu_restore_state(env, retaddr);
88 }
89 cpu_loop_exit(env);
90 }
91 }
92 #endif
93