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segment validation fix in lret/iret

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1684 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-12-04 22:17:10 +00:00
parent ee0971849e
commit 89984cd2e5
1 changed files with 5 additions and 5 deletions
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10
target-i386/helper.c
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@ -1584,7 +1584,7 @@ void load_seg(int seg_reg, int selector)
if (!(e2 & DESC_CS_MASK) || !(e2 & DESC_C_MASK)) { if (!(e2 & DESC_CS_MASK) || !(e2 & DESC_C_MASK)) {
/* if not conforming code, test rights */ /* if not conforming code, test rights */
if (dpl < cpl || dpl < rpl) if (dpl < cpl || dpl < rpl)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc); raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
} }
} }
@ -2152,10 +2152,10 @@ static inline void helper_ret_protected(int shift, int is_iret, int addend)
sp_mask = get_sp_mask(ss_e2); sp_mask = get_sp_mask(ss_e2);
/* validate data segments */ /* validate data segments */
validate_seg(R_ES, cpl); validate_seg(R_ES, rpl);
validate_seg(R_DS, cpl); validate_seg(R_DS, rpl);
validate_seg(R_FS, cpl); validate_seg(R_FS, rpl);
validate_seg(R_GS, cpl); validate_seg(R_GS, rpl);
sp += addend; sp += addend;
} }