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sparc: allow CASA with ASI 0xa from user space

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LEON3 allows the CASA instruction to be used from user space
if the ASI is set to 0xa (user data).

Backports commit bd4e097a8e30bb63ed7f46553b13f60809c30ac3 from qemu
This commit is contained in:
Peter Maydell 2018-02-17 19:23:12 -05:00 committed by Lioncash
parent 03dffc1e9c
commit 3664e1ab8a
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 2 additions and 1 deletions
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3
qemu/target-sparc/translate.c
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@ -5248,7 +5248,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn, bool hook_ins
if (IS_IMM) {
goto illegal_insn;
}
if (!supervisor(dc)) {
/* LEON3 allows CASA from user space with ASI 0xa */
if ((GET_FIELD(insn, 19, 26) != 0xa) && !supervisor(dc)) {
goto priv_insn;
}
#endif