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target-i386: Mark cpu_vmexit noreturn

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It calls cpu_loop_exit in system emulation mode (and should never be
called in user emulation mode).

Backports commit 50b3de6e5cd464dcc20e3a48f5a09e0299a184ac from qemu
This commit is contained in:
Jan Kiszka 2018-07-03 01:29:55 -04:00 committed by Lioncash
parent fab6f4cd3a
commit a27161c7a0
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GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 3 additions and 2 deletions
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4
qemu/target/i386/cpu.h
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@ -1765,8 +1765,8 @@ static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
/* svm_helper.c */ /* svm_helper.c */
void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
uint64_t param, uintptr_t retaddr); uint64_t param, uintptr_t retaddr);
void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1, void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
uintptr_t retaddr); uint64_t exit_info_1, uintptr_t retaddr);
void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1); void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
/* seg_helper.c */ /* seg_helper.c */

1
qemu/target/i386/svm_helper.c
View file

@ -63,6 +63,7 @@ void helper_invlpga(CPUX86State *env, int aflag)
void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1, void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1,
uintptr_t retaddr) uintptr_t retaddr)
{ {
assert(0);
} }
void helper_svm_check_intercept_param(CPUX86State *env, uint32_t type, void helper_svm_check_intercept_param(CPUX86State *env, uint32_t type,