diff options
Diffstat (limited to 'arch/arm/nwfpe')
| -rw-r--r-- | arch/arm/nwfpe/ChangeLog | 2 | ||||
| -rw-r--r-- | arch/arm/nwfpe/entry.S | 8 | ||||
| -rw-r--r-- | arch/arm/nwfpe/fpmodule.c | 13 | ||||
| -rw-r--r-- | arch/arm/nwfpe/fpsr.h | 2 |
4 files changed, 17 insertions, 8 deletions
diff --git a/arch/arm/nwfpe/ChangeLog b/arch/arm/nwfpe/ChangeLog index eeb5a7c5ff0..fa8028b1e1c 100644 --- a/arch/arm/nwfpe/ChangeLog +++ b/arch/arm/nwfpe/ChangeLog @@ -72,7 +72,7 @@ 1998-11-23 Scott Bambrough <scottb@netwinder.org> * README.FPE - fix typo in description of lfm/sfm instructions - * NOTES - Added file to describe known bugs/problems + * NOTES - Added file to describe known bugs/problems * fpmodule.c - Changed version number to 0.94 1998-11-20 Scott Bambrough <scottb@netwinder.org> diff --git a/arch/arm/nwfpe/entry.S b/arch/arm/nwfpe/entry.S index 48bca0db460..cafa1835433 100644 --- a/arch/arm/nwfpe/entry.S +++ b/arch/arm/nwfpe/entry.S @@ -111,12 +111,12 @@ next: @ to fault. Emit the appropriate exception gunk to fix things up. @ ??? For some reason, faults can happen at .Lx2 even with a @ plain LDR instruction. Weird, but it seems harmless. - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 2 .Lfix: mov pc, r9 @ let the user eat segfaults - .previous + .popsection - .section __ex_table,"a" + .pushsection __ex_table,"a" .align 3 .long .Lx1, .Lfix - .previous + .popsection diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c index 4c0ab50f399..cb7658e8acc 100644 --- a/arch/arm/nwfpe/fpmodule.c +++ b/arch/arm/nwfpe/fpmodule.c @@ -24,6 +24,7 @@ #include "fpa11.h" #include <linux/module.h> +#include <linux/moduleparam.h> /* XXX */ #include <linux/errno.h> @@ -134,13 +135,17 @@ a SIGFPE exception if necessary. If not the relevant bits in the cumulative exceptions flag byte are set and we return. */ +#ifdef CONFIG_DEBUG_USER +/* By default, ignore inexact errors as there are far too many of them to log */ +static int debug = ~BIT_IXC; +#endif + void float_raise(signed char flags) { register unsigned int fpsr, cumulativeTraps; #ifdef CONFIG_DEBUG_USER - /* Ignore inexact errors as there are far too many of them to log */ - if (flags & ~BIT_IXC) + if (flags & debug) printk(KERN_DEBUG "NWFPE: %s[%d] takes exception %08x at %p from %08lx\n", current->comm, current->pid, flags, @@ -179,3 +184,7 @@ module_exit(fpe_exit); MODULE_AUTHOR("Scott Bambrough <scottb@rebel.com>"); MODULE_DESCRIPTION("NWFPE floating point emulator (" NWFPE_BITS " precision)"); MODULE_LICENSE("GPL"); + +#ifdef CONFIG_DEBUG_USER +module_param(debug, int, 0644); +#endif diff --git a/arch/arm/nwfpe/fpsr.h b/arch/arm/nwfpe/fpsr.h index 859b300d89f..bd425dc13b6 100644 --- a/arch/arm/nwfpe/fpsr.h +++ b/arch/arm/nwfpe/fpsr.h @@ -30,7 +30,7 @@ one byte. EXCEPTION TRAP ENABLE BYTE SYSTEM CONTROL BYTE CUMULATIVE EXCEPTION FLAGS BYTE - + The FPCR is a 32 bit register consisting of bit flags. */ |