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$NetBSD: patch-ad,v 1.1 2011/07/17 12:49:17 mrg Exp $
patch to fix big-endian mips support from matt@netbsd.org
diff -rup src/cpus/cpu_mips_coproc.cc src/cpus/cpu_mips_coproc.cc
--- src/cpus/cpu_mips_coproc.cc 2009-06-21 09:03:48.000000000 -0700
+++ src/cpus/cpu_mips_coproc.cc 2009-11-12 12:22:12.000000000 -0800
@@ -1987,6 +1987,13 @@ void coproc_function(struct cpu *cpu, st
if (cpnr < 2 && (((function & 0x03e007f8) == (COPz_MTCz << 21))
|| ((function & 0x03e007f8) == (COPz_DMTCz << 21)))) {
+ tmpvalue = cpu->cd.mips.gpr[rt];
+ if (copz == COPz_MTCz) {
+ /* Sign-extend: */
+ tmpvalue &= 0xffffffffULL;
+ if (tmpvalue & 0x80000000ULL)
+ tmpvalue |= 0xffffffff00000000ULL;
+ }
if (unassemble_only) {
debug("%s%i\t%s,", copz==COPz_DMTCz? "dmtc" : "mtc",
cpnr, regnames[rt]);
@@ -1996,16 +2003,10 @@ void coproc_function(struct cpu *cpu, st
debug("r%i", rd);
if (function & 7)
debug(",%i", (int)(function & 7));
+ debug(" [%016llx]", (long long)tmpvalue);
debug("\n");
return;
}
- tmpvalue = cpu->cd.mips.gpr[rt];
- if (copz == COPz_MTCz) {
- /* Sign-extend: */
- tmpvalue &= 0xffffffffULL;
- if (tmpvalue & 0x80000000ULL)
- tmpvalue |= 0xffffffff00000000ULL;
- }
coproc_register_write(cpu, cpu->cd.mips.coproc[cpnr], rd,
&tmpvalue, copz == COPz_DMTCz, function & 7);
return;
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