107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
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/*
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* TCG specific prototypes for helpers
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef I386_HELPER_TCG_H
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#define I386_HELPER_TCG_H
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#include "exec/exec-all.h"
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/* Maximum instruction code size */
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#define TARGET_MAX_INSN_SIZE 16
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/*
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* XXX: This value should match the one returned by CPUID
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* and in exec.c
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*/
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# if defined(TARGET_X86_64)
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# define TCG_PHYS_ADDR_BITS 40
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# else
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# define TCG_PHYS_ADDR_BITS 36
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# endif
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#define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS)
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/**
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* x86_cpu_do_interrupt:
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* @cpu: vCPU the interrupt is to be handled by.
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*/
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void x86_cpu_do_interrupt(CPUState *cpu);
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bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
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/* helper.c */
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bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
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MMUAccessType access_type, int mmu_idx,
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bool probe, uintptr_t retaddr);
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void breakpoint_handler(CPUState *cs);
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/* n must be a constant to be efficient */
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static inline target_long lshift(target_long x, int n)
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{
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if (n >= 0) {
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return x << n;
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} else {
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return x >> (-n);
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}
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}
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/* translate.c */
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void tcg_x86_init(void);
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/* excp_helper.c */
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void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
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void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index,
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uintptr_t retaddr);
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void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
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int error_code);
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void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index,
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int error_code, uintptr_t retaddr);
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void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
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int error_code, int next_eip_addend);
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/* cc_helper.c */
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extern const uint8_t parity_table[256];
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/*
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* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
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* after generating a call to a helper that uses this.
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*/
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static inline void cpu_load_eflags(CPUX86State *env, int eflags,
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int update_mask)
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{
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CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
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CC_OP = CC_OP_EFLAGS;
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env->df = 1 - (2 * ((eflags >> 10) & 1));
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env->eflags = (env->eflags & ~update_mask) |
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(eflags & update_mask) | 0x2;
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}
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/* svm_helper.c */
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void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
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uint64_t exit_info_1, uintptr_t retaddr);
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void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
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/* seg_helper.c */
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void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
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/* smm_helper.c */
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void do_smm_enter(X86CPU *cpu);
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#endif /* I386_HELPER_TCG_H */
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