aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-powerpc/processor.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-powerpc/processor.h')
-rw-r--r--include/asm-powerpc/processor.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index a23da6356e0..e93e72df4bc 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -12,7 +12,11 @@
12 12
13#include <asm/reg.h> 13#include <asm/reg.h>
14 14
15#ifdef CONFIG_VSX
16#define TS_FPRWIDTH 2
17#else
15#define TS_FPRWIDTH 1 18#define TS_FPRWIDTH 1
19#endif
16 20
17#ifndef __ASSEMBLY__ 21#ifndef __ASSEMBLY__
18#include <linux/compiler.h> 22#include <linux/compiler.h>
@@ -80,6 +84,7 @@ extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
80/* Lazy FPU handling on uni-processor */ 84/* Lazy FPU handling on uni-processor */
81extern struct task_struct *last_task_used_math; 85extern struct task_struct *last_task_used_math;
82extern struct task_struct *last_task_used_altivec; 86extern struct task_struct *last_task_used_altivec;
87extern struct task_struct *last_task_used_vsx;
83extern struct task_struct *last_task_used_spe; 88extern struct task_struct *last_task_used_spe;
84 89
85#ifdef CONFIG_PPC32 90#ifdef CONFIG_PPC32
@@ -142,7 +147,9 @@ typedef struct {
142 unsigned long seg; 147 unsigned long seg;
143} mm_segment_t; 148} mm_segment_t;
144 149
145#define TS_FPR(i) fpr[i] 150#define TS_FPROFFSET 0
151#define TS_VSRLOWOFFSET 1
152#define TS_FPR(i) fpr[i][TS_FPROFFSET]
146 153
147struct thread_struct { 154struct thread_struct {
148 unsigned long ksp; /* Kernel stack pointer */ 155 unsigned long ksp; /* Kernel stack pointer */
@@ -160,8 +167,9 @@ struct thread_struct {
160 unsigned long dbcr0; /* debug control register values */ 167 unsigned long dbcr0; /* debug control register values */
161 unsigned long dbcr1; 168 unsigned long dbcr1;
162#endif 169#endif
163 double fpr[32]; /* Complete floating point set */ 170 /* FP and VSX 0-31 register set */
164 struct { /* fpr ... fpscr must be contiguous */ 171 double fpr[32][TS_FPRWIDTH];
172 struct {
165 173
166 unsigned int pad; 174 unsigned int pad;
167 unsigned int val; /* Floating point status */ 175 unsigned int val; /* Floating point status */
@@ -181,6 +189,10 @@ struct thread_struct {
181 unsigned long vrsave; 189 unsigned long vrsave;
182 int used_vr; /* set if process has used altivec */ 190 int used_vr; /* set if process has used altivec */
183#endif /* CONFIG_ALTIVEC */ 191#endif /* CONFIG_ALTIVEC */
192#ifdef CONFIG_VSX
193 /* VSR status */
194 int used_vsr; /* set if process has used altivec */
195#endif /* CONFIG_VSX */
184#ifdef CONFIG_SPE 196#ifdef CONFIG_SPE
185 unsigned long evr[32]; /* upper 32-bits of SPE regs */ 197 unsigned long evr[32]; /* upper 32-bits of SPE regs */
186 u64 acc; /* Accumulator */ 198 u64 acc; /* Accumulator */