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 /*
  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 */