Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into...
[qemu.git] / target / i386 / tcg / helper-tcg.h
1 /*
2 * TCG specific prototypes for helpers
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #ifndef I386_HELPER_TCG_H
21 #define I386_HELPER_TCG_H
22
23 #include "exec/exec-all.h"
24
25 /* Maximum instruction code size */
26 #define TARGET_MAX_INSN_SIZE 16
27
28 #if defined(TARGET_X86_64)
29 # define TCG_PHYS_ADDR_BITS 40
30 #else
31 # define TCG_PHYS_ADDR_BITS 36
32 #endif
33
34 QEMU_BUILD_BUG_ON(TCG_PHYS_ADDR_BITS > TARGET_PHYS_ADDR_SPACE_BITS);
35
36 /**
37 * x86_cpu_do_interrupt:
38 * @cpu: vCPU the interrupt is to be handled by.
39 */
40 void x86_cpu_do_interrupt(CPUState *cpu);
41 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
42
43 /* helper.c */
44 bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
45 MMUAccessType access_type, int mmu_idx,
46 bool probe, uintptr_t retaddr);
47
48 void breakpoint_handler(CPUState *cs);
49
50 /* n must be a constant to be efficient */
51 static inline target_long lshift(target_long x, int n)
52 {
53 if (n >= 0) {
54 return x << n;
55 } else {
56 return x >> (-n);
57 }
58 }
59
60 /* translate.c */
61 void tcg_x86_init(void);
62
63 /* excp_helper.c */
64 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
65 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index,
66 uintptr_t retaddr);
67 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
68 int error_code);
69 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index,
70 int error_code, uintptr_t retaddr);
71 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
72 int error_code, int next_eip_addend);
73
74 /* cc_helper.c */
75 extern const uint8_t parity_table[256];
76
77 /* misc_helper.c */
78 void cpu_load_eflags(CPUX86State *env, int eflags, int update_mask);
79 void do_pause(CPUX86State *env) QEMU_NORETURN;
80
81 /* sysemu/svm_helper.c */
82 #ifndef CONFIG_USER_ONLY
83 void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
84 uint64_t exit_info_1, uintptr_t retaddr);
85 void do_vmexit(CPUX86State *env);
86 #endif
87
88 /* seg_helper.c */
89 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
90 void do_interrupt_all(X86CPU *cpu, int intno, int is_int,
91 int error_code, target_ulong next_eip, int is_hw);
92 void handle_even_inj(CPUX86State *env, int intno, int is_int,
93 int error_code, int is_hw, int rm);
94 int exception_has_error_code(int intno);
95
96 /* smm_helper.c */
97 void do_smm_enter(X86CPU *cpu);
98
99 /* bpt_helper.c */
100 bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update);
101
102 #endif /* I386_HELPER_TCG_H */