Date: Tue, 7 Aug 2012 15:13:16 +0800 From: Paul Ambrose <ambrosehua@gmail.com> To: freebsd-mips@freebsd.org Subject: SYSCTL_INT emulate_fp error Message-ID: <CAMwoQQ5Yt9w8d1_K-mwQECZL0S-tyYAewPGrRYoNQXe=2b4P0g@mail.gmail.com>
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When I read sys/mips/mips/trap.c, I found
/*
* FP emulation is assumed to work on O32, but the code is outdated and
crufty
* enough that it's a more sensible default to have it disabled when using
* other ABIs. At the very least, it needs a lot of help in using
* type-semantic ABI-oblivious macros for everything it does.
*/
#if defined(__mips_o32)
static int emulate_fp = 1;
#else
static int emulate_fp = 0;
#endif
SYSCTL_INT(_machdep, OID_AUTO, emulate_fp, CTLFLAG_RW,
&allow_unaligned_acc, 0, "Emulate unimplemented FPU instructions");
here &allow_unaligned_acc should be &emulate_fp
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