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 /* 29 * XXX: This value should match the one returned by CPUID 30 * and in exec.c 31 */ 32 # if defined(TARGET_X86_64) 33 # define TCG_PHYS_ADDR_BITS 40 34 # else 35 # define TCG_PHYS_ADDR_BITS 36 36 # endif 37 38 #define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS) 39 40 /** 41 * x86_cpu_do_interrupt: 42 * @cpu: vCPU the interrupt is to be handled by. 43 */ 44 void x86_cpu_do_interrupt(CPUState *cpu); 45 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req); 46 47 /* helper.c */ 48 bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size, 49 MMUAccessType access_type, int mmu_idx, 50 bool probe, uintptr_t retaddr); 51 52 void breakpoint_handler(CPUState *cs); 53 54 /* n must be a constant to be efficient */ 55 static inline target_long lshift(target_long x, int n) 56 { 57 if (n >= 0) { 58 return x << n; 59 } else { 60 return x >> (-n); 61 } 62 } 63 64 /* translate.c */ 65 void tcg_x86_init(void); 66 67 /* excp_helper.c */ 68 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index); 69 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index, 70 uintptr_t retaddr); 71 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index, 72 int error_code); 73 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index, 74 int error_code, uintptr_t retaddr); 75 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int, 76 int error_code, int next_eip_addend); 77 78 /* cc_helper.c */ 79 extern const uint8_t parity_table[256]; 80 81 /* misc_helper.c */ 82 void cpu_load_eflags(CPUX86State *env, int eflags, int update_mask); 83 84 /* svm_helper.c */ 85 void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, 86 uint64_t exit_info_1, uintptr_t retaddr); 87 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1); 88 89 /* seg_helper.c */ 90 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw); 91 92 /* smm_helper.c */ 93 void do_smm_enter(X86CPU *cpu); 94 95 #endif /* I386_HELPER_TCG_H */ 96