diff options
Diffstat (limited to '')
-rw-r--r-- | arch/arm/nwfpe/entry26.S | 2 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpa11.c | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpa11.h | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpa11_cpdo.c | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpa11_cpdt.c | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpa11_cprt.c | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpmodule.c | 26 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpopcode.c | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/fpopcode.h | 1 | ||||
-rw-r--r-- | arch/arm/nwfpe/softfloat.h | 1 |
10 files changed, 20 insertions, 16 deletions
diff --git a/arch/arm/nwfpe/entry26.S b/arch/arm/nwfpe/entry26.S index 51940a96d6a6..3e6fb5d21d64 100644 --- a/arch/arm/nwfpe/entry26.S +++ b/arch/arm/nwfpe/entry26.S @@ -26,7 +26,7 @@ It is called from the kernel with code similar to this: mov fp, #0 - teqp pc, #PSR_I_BIT | MODE_SVC + teqp pc, #PSR_I_BIT | SVC_MODE ldr r4, .LC2 ldr pc, [r4] @ Call FP module USR entry point diff --git a/arch/arm/nwfpe/fpa11.c b/arch/arm/nwfpe/fpa11.c index 7b3d74d73c80..cc60acde84d9 100644 --- a/arch/arm/nwfpe/fpa11.c +++ b/arch/arm/nwfpe/fpa11.c @@ -26,7 +26,6 @@ #include "fpmodule.h" #include "fpmodule.inl" -#include <linux/config.h> #include <linux/compiler.h> #include <linux/string.h> #include <asm/system.h> diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h index 28cd79a451d3..4a4d02c09112 100644 --- a/arch/arm/nwfpe/fpa11.h +++ b/arch/arm/nwfpe/fpa11.h @@ -31,7 +31,6 @@ */ #define GET_USERREG() ((struct pt_regs *)(THREAD_START_SP + (unsigned long)current_thread_info()) - 1) -#include <linux/config.h> #include <linux/thread_info.h> /* includes */ diff --git a/arch/arm/nwfpe/fpa11_cpdo.c b/arch/arm/nwfpe/fpa11_cpdo.c index 4a31dfd94068..2cebb1529607 100644 --- a/arch/arm/nwfpe/fpa11_cpdo.c +++ b/arch/arm/nwfpe/fpa11_cpdo.c @@ -20,7 +20,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include "fpa11.h" #include "fpopcode.h" diff --git a/arch/arm/nwfpe/fpa11_cpdt.c b/arch/arm/nwfpe/fpa11_cpdt.c index 32859fa8dcfc..79f8e67cc6c1 100644 --- a/arch/arm/nwfpe/fpa11_cpdt.c +++ b/arch/arm/nwfpe/fpa11_cpdt.c @@ -20,7 +20,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include "fpa11.h" #include "softfloat.h" #include "fpopcode.h" diff --git a/arch/arm/nwfpe/fpa11_cprt.c b/arch/arm/nwfpe/fpa11_cprt.c index 7c67023655e4..9843dc533047 100644 --- a/arch/arm/nwfpe/fpa11_cprt.c +++ b/arch/arm/nwfpe/fpa11_cprt.c @@ -20,7 +20,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include "fpa11.h" #include "fpopcode.h" #include "fpa11.inl" diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c index 2dfe1ac42ee8..4c0ab50f399a 100644 --- a/arch/arm/nwfpe/fpmodule.c +++ b/arch/arm/nwfpe/fpmodule.c @@ -24,7 +24,6 @@ #include "fpa11.h" #include <linux/module.h> -#include <linux/config.h> /* XXX */ #include <linux/errno.h> @@ -33,7 +32,8 @@ #include <linux/signal.h> #include <linux/sched.h> #include <linux/init.h> -/* XXX */ + +#include <asm/thread_notify.h> #include "softfloat.h" #include "fpopcode.h" @@ -56,16 +56,28 @@ void fp_send_sig(unsigned long sig, struct task_struct *p, int priv); extern char fpe_type[]; #endif +static int nwfpe_notify(struct notifier_block *self, unsigned long cmd, void *v) +{ + struct thread_info *thread = v; + + if (cmd == THREAD_NOTIFY_FLUSH) + nwfpe_init_fpa(&thread->fpstate); + + return NOTIFY_DONE; +} + +static struct notifier_block nwfpe_notifier_block = { + .notifier_call = nwfpe_notify, +}; + /* kernel function prototypes required */ void fp_setup(void); /* external declarations for saved kernel symbols */ extern void (*kern_fp_enter)(void); -extern void (*fp_init)(union fp_state *); /* Original value of fp_enter from kernel before patched by fpe_init. */ static void (*orig_fp_enter)(void); -static void (*orig_fp_init)(union fp_state *); /* forward declarations */ extern void nwfpe_enter(void); @@ -88,20 +100,20 @@ static int __init fpe_init(void) printk(KERN_WARNING "NetWinder Floating Point Emulator V0.97 (" NWFPE_BITS " precision)\n"); + thread_register_notifier(&nwfpe_notifier_block); + /* Save pointer to the old FP handler and then patch ourselves in */ orig_fp_enter = kern_fp_enter; - orig_fp_init = fp_init; kern_fp_enter = nwfpe_enter; - fp_init = nwfpe_init_fpa; return 0; } static void __exit fpe_exit(void) { + thread_unregister_notifier(&nwfpe_notifier_block); /* Restore the values we saved earlier. */ kern_fp_enter = orig_fp_enter; - fp_init = orig_fp_init; } /* diff --git a/arch/arm/nwfpe/fpopcode.c b/arch/arm/nwfpe/fpopcode.c index 67ff2ab08ea0..922b81107585 100644 --- a/arch/arm/nwfpe/fpopcode.c +++ b/arch/arm/nwfpe/fpopcode.c @@ -19,7 +19,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include "fpa11.h" #include "softfloat.h" #include "fpopcode.h" diff --git a/arch/arm/nwfpe/fpopcode.h b/arch/arm/nwfpe/fpopcode.h index 6528e081c83f..ec78e3517fc9 100644 --- a/arch/arm/nwfpe/fpopcode.h +++ b/arch/arm/nwfpe/fpopcode.h @@ -23,7 +23,6 @@ #ifndef __FPOPCODE_H__ #define __FPOPCODE_H__ -#include <linux/config.h> /* ARM Floating Point Instruction Classes diff --git a/arch/arm/nwfpe/softfloat.h b/arch/arm/nwfpe/softfloat.h index 978c699673c6..e1125bc39ee4 100644 --- a/arch/arm/nwfpe/softfloat.h +++ b/arch/arm/nwfpe/softfloat.h @@ -32,7 +32,6 @@ this code that are retained. #ifndef __SOFTFLOAT_H__ #define __SOFTFLOAT_H__ -#include <linux/config.h> /* ------------------------------------------------------------------------------- |