Don't decode CP0 XContext on 32bit MIPS.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2812 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-05-13 14:42:18 +00:00
parent f2e9ebef12
commit 703eaf379e

View file

@ -2190,10 +2190,11 @@ static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
case 20:
switch (sel) {
case 0:
/* 64 bit MMU only */
#ifdef TARGET_MIPS64
gen_op_mfc0_xcontext();
rn = "XContext";
break;
#endif
default:
goto die;
}
@ -2788,10 +2789,11 @@ static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
case 20:
switch (sel) {
case 0:
/* 64 bit MMU only */
#ifdef TARGET_MIPS64
/* Nothing writable in lower 32 bits */
rn = "XContext";
break;
#endif
default:
goto die;
}
@ -3377,10 +3379,11 @@ static void gen_dmfc0 (DisasContext *ctx, int reg, int sel)
case 20:
switch (sel) {
case 0:
/* 64 bit MMU only */
#ifdef TARGET_MIPS64
gen_op_dmfc0_xcontext();
rn = "XContext";
break;
#endif
default:
goto die;
}
@ -3966,10 +3969,11 @@ static void gen_dmtc0 (DisasContext *ctx, int reg, int sel)
case 20:
switch (sel) {
case 0:
/* 64 bit MMU only */
#ifdef TARGET_MIPS64
gen_op_dmtc0_xcontext();
rn = "XContext";
break;
#endif
default:
goto die;
}