diff options
Diffstat (limited to 'arch/x86/math-emu/fpu_system.h')
| -rw-r--r-- | arch/x86/math-emu/fpu_system.h | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h index 13488fa153e0..50fa0ec2c8a5 100644 --- a/arch/x86/math-emu/fpu_system.h +++ b/arch/x86/math-emu/fpu_system.h | |||
| @@ -16,10 +16,6 @@ | |||
| 16 | #include <linux/kernel.h> | 16 | #include <linux/kernel.h> |
| 17 | #include <linux/mm.h> | 17 | #include <linux/mm.h> |
| 18 | 18 | ||
| 19 | /* This sets the pointer FPU_info to point to the argument part | ||
| 20 | of the stack frame of math_emulate() */ | ||
| 21 | #define SETUP_DATA_AREA(arg) FPU_info = (struct info *) &arg | ||
| 22 | |||
| 23 | /* s is always from a cpu register, and the cpu does bounds checking | 19 | /* s is always from a cpu register, and the cpu does bounds checking |
| 24 | * during register load --> no further bounds checks needed */ | 20 | * during register load --> no further bounds checks needed */ |
| 25 | #define LDT_DESCRIPTOR(s) (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3]) | 21 | #define LDT_DESCRIPTOR(s) (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3]) |
| @@ -38,12 +34,12 @@ | |||
| 38 | #define I387 (current->thread.xstate) | 34 | #define I387 (current->thread.xstate) |
| 39 | #define FPU_info (I387->soft.info) | 35 | #define FPU_info (I387->soft.info) |
| 40 | 36 | ||
| 41 | #define FPU_CS (*(unsigned short *) &(FPU_info->___cs)) | 37 | #define FPU_CS (*(unsigned short *) &(FPU_info->regs->cs)) |
| 42 | #define FPU_SS (*(unsigned short *) &(FPU_info->___ss)) | 38 | #define FPU_SS (*(unsigned short *) &(FPU_info->regs->ss)) |
| 43 | #define FPU_DS (*(unsigned short *) &(FPU_info->___ds)) | 39 | #define FPU_DS (*(unsigned short *) &(FPU_info->regs->ds)) |
| 44 | #define FPU_EAX (FPU_info->___eax) | 40 | #define FPU_EAX (FPU_info->regs->ax) |
| 45 | #define FPU_EFLAGS (FPU_info->___eflags) | 41 | #define FPU_EFLAGS (FPU_info->regs->flags) |
| 46 | #define FPU_EIP (FPU_info->___eip) | 42 | #define FPU_EIP (FPU_info->regs->ip) |
| 47 | #define FPU_ORIG_EIP (FPU_info->___orig_eip) | 43 | #define FPU_ORIG_EIP (FPU_info->___orig_eip) |
| 48 | 44 | ||
| 49 | #define FPU_lookahead (I387->soft.lookahead) | 45 | #define FPU_lookahead (I387->soft.lookahead) |
