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fix fxsave fpip value, provide tests

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This commit is contained in:
Dimitris Glynos
2023-10-26 08:42:58 +03:00
parent ca65964e78
commit 9d8e639c69
2 changed files with 80 additions and 1 deletions
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qemu/target/i386/fpu_helper.c
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@@ -1170,7 +1170,7 @@ static void do_xsave_fpu(CPUX86State *env, target_ulong ptr, uintptr_t ra)
/* In 32-bit mode this is eip, sel, dp, sel.
In 64-bit mode this is rip, rdp.
But in either case we don't write actual data, just zeros. */
cpu_stq_data_ra(env, ptr + XO(legacy.fpip), 0, ra); /* eip+sel; rip */
cpu_stq_data_ra(env, ptr + XO(legacy.fpip), env->fpip, ra); /* eip+sel; rip */
cpu_stq_data_ra(env, ptr + XO(legacy.fpdp), 0, ra); /* edp+sel; rdp */
addr = ptr + XO(legacy.fpregs);