diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-09-12 01:29:55 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1997-09-12 01:29:55 +0000 |
| commit | 545f435ebcfd94a1e7c20b46efe81b4d6ac4e698 (patch) | |
| tree | e9ce4bc598d06374bda906f18365984bf22a526a /arch/mips/kernel/traps.c | |
| parent | 4291a610eef89d0d5c69d9a10ee6560e1aa36c74 (diff) | |
Merge with Linux 2.1.55. More bugfixes and goodies from my private
CVS archive.
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index b7ceea080..c38fcf549 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -12,8 +12,6 @@ * to mainly kill the offending process (probably by giving it a signal, * but possibly by killing it outright if necessary). * - * FIXME: This is the place for a fpu emulator. - * * Modified for R3000 by Paul M. Antoine, 1995, 1996 */ #include <linux/config.h> @@ -228,8 +226,34 @@ out: unlock_kernel(); } +#ifdef CONFIG_MIPS_FPE_MODULE +static void (*fpe_handler)(struct pt_regs *regs, unsigned int fcr31); + +/* + * Register_fpe/unregister_fpe are for debugging purposes only. To make + * this hack work a bit better there is no error checking. + */ +int register_fpe(void (*handler)(struct pt_regs *regs, unsigned int fcr31)) +{ + fpe_handler = handler; + return 0; +} + +int unregister_fpe(void (*handler)(struct pt_regs *regs, unsigned int fcr31)) +{ + fpe_handler = NULL; + return 0; +} +#endif + void do_fpe(struct pt_regs *regs, unsigned int fcr31) { +#ifdef CONFIG_MIPS_FPE_MODULE + if (fpe_handler != NULL) { + fpe_handler(regs, fcr31); + return; + } +#endif lock_kernel(); #ifdef CONF_DEBUG_EXCEPTIONS show_regs(regs); |