#include <asm/vdso.h>
#include <asm/switch_to.h>
#include <asm/tm.h>
+#include <asm/asm-prototypes.h>
#ifdef CONFIG_PPC64
#include "ppc32.h"
#include <asm/unistd.h>
}
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-unsigned long copy_transact_fpr_to_user(void __user *to,
+unsigned long copy_ckfpr_to_user(void __user *to,
struct task_struct *task)
{
u64 buf[ELF_NFPREG];
/* save FPR copy to local buffer then write to the thread_struct */
for (i = 0; i < (ELF_NFPREG - 1) ; i++)
- buf[i] = task->thread.TS_TRANS_FPR(i);
- buf[i] = task->thread.transact_fp.fpscr;
+ buf[i] = task->thread.TS_CKFPR(i);
+ buf[i] = task->thread.ckfp_state.fpscr;
return __copy_to_user(to, buf, ELF_NFPREG * sizeof(double));
}
-unsigned long copy_transact_fpr_from_user(struct task_struct *task,
+unsigned long copy_ckfpr_from_user(struct task_struct *task,
void __user *from)
{
u64 buf[ELF_NFPREG];
if (__copy_from_user(buf, from, ELF_NFPREG * sizeof(double)))
return 1;
for (i = 0; i < (ELF_NFPREG - 1) ; i++)
- task->thread.TS_TRANS_FPR(i) = buf[i];
- task->thread.transact_fp.fpscr = buf[i];
+ task->thread.TS_CKFPR(i) = buf[i];
+ task->thread.ckfp_state.fpscr = buf[i];
return 0;
}
-unsigned long copy_transact_vsx_to_user(void __user *to,
+unsigned long copy_ckvsx_to_user(void __user *to,
struct task_struct *task)
{
u64 buf[ELF_NVSRHALFREG];
/* save FPR copy to local buffer then write to the thread_struct */
for (i = 0; i < ELF_NVSRHALFREG; i++)
- buf[i] = task->thread.transact_fp.fpr[i][TS_VSRLOWOFFSET];
+ buf[i] = task->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET];
return __copy_to_user(to, buf, ELF_NVSRHALFREG * sizeof(double));
}
-unsigned long copy_transact_vsx_from_user(struct task_struct *task,
+unsigned long copy_ckvsx_from_user(struct task_struct *task,
void __user *from)
{
u64 buf[ELF_NVSRHALFREG];
if (__copy_from_user(buf, from, ELF_NVSRHALFREG * sizeof(double)))
return 1;
for (i = 0; i < ELF_NVSRHALFREG ; i++)
- task->thread.transact_fp.fpr[i][TS_VSRLOWOFFSET] = buf[i];
+ task->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET] = buf[i];
return 0;
}
#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
}
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-inline unsigned long copy_transact_fpr_to_user(void __user *to,
+inline unsigned long copy_ckfpr_to_user(void __user *to,
struct task_struct *task)
{
- return __copy_to_user(to, task->thread.transact_fp.fpr,
+ return __copy_to_user(to, task->thread.ckfp_state.fpr,
ELF_NFPREG * sizeof(double));
}
-inline unsigned long copy_transact_fpr_from_user(struct task_struct *task,
+inline unsigned long copy_ckfpr_from_user(struct task_struct *task,
void __user *from)
{
- return __copy_from_user(task->thread.transact_fp.fpr, from,
+ return __copy_from_user(task->thread.ckfp_state.fpr, from,
ELF_NFPREG * sizeof(double));
}
#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
*/
regs->msr &= ~MSR_TS_MASK;
- /* Make sure floating point registers are stored in regs */
- flush_fp_to_thread(current);
-
/* Save both sets of general registers */
if (save_general_regs(¤t->thread.ckpt_regs, frame)
|| save_general_regs(regs, tm_frame))
#ifdef CONFIG_ALTIVEC
/* save altivec registers */
if (current->thread.used_vr) {
- flush_altivec_to_thread(current);
- if (__copy_to_user(&frame->mc_vregs, ¤t->thread.vr_state,
+ if (__copy_to_user(&frame->mc_vregs, ¤t->thread.ckvr_state,
ELF_NVRREG * sizeof(vector128)))
return 1;
if (msr & MSR_VEC) {
if (__copy_to_user(&tm_frame->mc_vregs,
- ¤t->thread.transact_vr,
+ ¤t->thread.vr_state,
ELF_NVRREG * sizeof(vector128)))
return 1;
} else {
if (__copy_to_user(&tm_frame->mc_vregs,
- ¤t->thread.vr_state,
+ ¤t->thread.ckvr_state,
ELF_NVRREG * sizeof(vector128)))
return 1;
}
* most significant bits of that same vector. --BenH
*/
if (cpu_has_feature(CPU_FTR_ALTIVEC))
- current->thread.vrsave = mfspr(SPRN_VRSAVE);
- if (__put_user(current->thread.vrsave,
+ current->thread.ckvrsave = mfspr(SPRN_VRSAVE);
+ if (__put_user(current->thread.ckvrsave,
(u32 __user *)&frame->mc_vregs[32]))
return 1;
if (msr & MSR_VEC) {
- if (__put_user(current->thread.transact_vrsave,
+ if (__put_user(current->thread.vrsave,
(u32 __user *)&tm_frame->mc_vregs[32]))
return 1;
} else {
- if (__put_user(current->thread.vrsave,
+ if (__put_user(current->thread.ckvrsave,
(u32 __user *)&tm_frame->mc_vregs[32]))
return 1;
}
#endif /* CONFIG_ALTIVEC */
- if (copy_fpr_to_user(&frame->mc_fregs, current))
+ if (copy_ckfpr_to_user(&frame->mc_fregs, current))
return 1;
if (msr & MSR_FP) {
- if (copy_transact_fpr_to_user(&tm_frame->mc_fregs, current))
+ if (copy_fpr_to_user(&tm_frame->mc_fregs, current))
return 1;
} else {
- if (copy_fpr_to_user(&tm_frame->mc_fregs, current))
+ if (copy_ckfpr_to_user(&tm_frame->mc_fregs, current))
return 1;
}
* contains valid data
*/
if (current->thread.used_vsr) {
- flush_vsx_to_thread(current);
- if (copy_vsx_to_user(&frame->mc_vsregs, current))
+ if (copy_ckvsx_to_user(&frame->mc_vsregs, current))
return 1;
if (msr & MSR_VSX) {
- if (copy_transact_vsx_to_user(&tm_frame->mc_vsregs,
+ if (copy_vsx_to_user(&tm_frame->mc_vsregs,
current))
return 1;
} else {
- if (copy_vsx_to_user(&tm_frame->mc_vsregs, current))
+ if (copy_ckvsx_to_user(&tm_frame->mc_vsregs, current))
return 1;
}
if (__copy_from_user(¤t->thread.vr_state, &sr->mc_vregs,
sizeof(sr->mc_vregs)))
return 1;
+ current->thread.used_vr = true;
} else if (current->thread.used_vr)
memset(¤t->thread.vr_state, 0,
ELF_NVRREG * sizeof(vector128));
*/
if (copy_vsx_from_user(current, &sr->mc_vsregs))
return 1;
+ current->thread.used_vsr = true;
} else if (current->thread.used_vsr)
for (i = 0; i < 32 ; i++)
current->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;
if (__copy_from_user(current->thread.evr, &sr->mc_vregs,
ELF_NEVRREG * sizeof(u32)))
return 1;
+ current->thread.used_spe = true;
} else if (current->thread.used_spe)
memset(current->thread.evr, 0, ELF_NEVRREG * sizeof(u32));
regs->msr &= ~MSR_VEC;
if (msr & MSR_VEC) {
/* restore altivec registers from the stack */
- if (__copy_from_user(¤t->thread.vr_state, &sr->mc_vregs,
+ if (__copy_from_user(¤t->thread.ckvr_state, &sr->mc_vregs,
sizeof(sr->mc_vregs)) ||
- __copy_from_user(¤t->thread.transact_vr,
+ __copy_from_user(¤t->thread.vr_state,
&tm_sr->mc_vregs,
sizeof(sr->mc_vregs)))
return 1;
+ current->thread.used_vr = true;
} else if (current->thread.used_vr) {
memset(¤t->thread.vr_state, 0,
ELF_NVRREG * sizeof(vector128));
- memset(¤t->thread.transact_vr, 0,
+ memset(¤t->thread.ckvr_state, 0,
ELF_NVRREG * sizeof(vector128));
}
/* Always get VRSAVE back */
- if (__get_user(current->thread.vrsave,
+ if (__get_user(current->thread.ckvrsave,
(u32 __user *)&sr->mc_vregs[32]) ||
- __get_user(current->thread.transact_vrsave,
+ __get_user(current->thread.vrsave,
(u32 __user *)&tm_sr->mc_vregs[32]))
return 1;
if (cpu_has_feature(CPU_FTR_ALTIVEC))
- mtspr(SPRN_VRSAVE, current->thread.vrsave);
+ mtspr(SPRN_VRSAVE, current->thread.ckvrsave);
#endif /* CONFIG_ALTIVEC */
regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1);
if (copy_fpr_from_user(current, &sr->mc_fregs) ||
- copy_transact_fpr_from_user(current, &tm_sr->mc_fregs))
+ copy_ckfpr_from_user(current, &tm_sr->mc_fregs))
return 1;
#ifdef CONFIG_VSX
* Restore altivec registers from the stack to a local
* buffer, then write this out to the thread_struct
*/
- if (copy_vsx_from_user(current, &sr->mc_vsregs) ||
- copy_transact_vsx_from_user(current, &tm_sr->mc_vsregs))
+ if (copy_vsx_from_user(current, &tm_sr->mc_vsregs) ||
+ copy_ckvsx_from_user(current, &sr->mc_vsregs))
return 1;
+ current->thread.used_vsr = true;
} else if (current->thread.used_vsr)
for (i = 0; i < 32 ; i++) {
current->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;
- current->thread.transact_fp.fpr[i][TS_VSRLOWOFFSET] = 0;
+ current->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET] = 0;
}
#endif /* CONFIG_VSX */
if (__copy_from_user(current->thread.evr, &sr->mc_vregs,
ELF_NEVRREG * sizeof(u32)))
return 1;
+ current->thread.used_spe = true;
} else if (current->thread.used_spe)
memset(current->thread.evr, 0, ELF_NEVRREG * sizeof(u32));
tm_recheckpoint(¤t->thread, msr);
/* This loads the speculative FP/VEC state, if used */
+ msr_check_and_set(msr & (MSR_FP | MSR_VEC));
if (msr & MSR_FP) {
- do_load_up_transact_fpu(¤t->thread);
+ load_fp_state(¤t->thread.fp_state);
regs->msr |= (MSR_FP | current->thread.fpexc_mode);
}
#ifdef CONFIG_ALTIVEC
if (msr & MSR_VEC) {
- do_load_up_transact_altivec(¤t->thread);
+ load_vr_state(¤t->thread.vr_state);
regs->msr |= MSR_VEC;
}
#endif
* (one which gets siginfo).
*/
int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
- struct pt_regs *regs)
+ struct task_struct *tsk)
{
struct rt_sigframe __user *rt_sf;
struct mcontext __user *frame;
unsigned long newsp = 0;
int sigret;
unsigned long tramp;
+ struct pt_regs *regs = tsk->thread.regs;
+
+ BUG_ON(tsk != current);
/* Set up Signal Frame */
/* Put a Real Time Context onto stack */
- rt_sf = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*rt_sf), 1);
+ rt_sf = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*rt_sf), 1);
addr = rt_sf;
if (unlikely(rt_sf == NULL))
goto badframe;
/* Save user registers on the stack */
frame = &rt_sf->uc.uc_mcontext;
addr = frame;
- if (vdso32_rt_sigtramp && current->mm->context.vdso_base) {
+ if (vdso32_rt_sigtramp && tsk->mm->context.vdso_base) {
sigret = 0;
- tramp = current->mm->context.vdso_base + vdso32_rt_sigtramp;
+ tramp = tsk->mm->context.vdso_base + vdso32_rt_sigtramp;
} else {
sigret = __NR_rt_sigreturn;
tramp = (unsigned long) frame->tramp;
}
regs->link = tramp;
- current->thread.fp_state.fpscr = 0; /* turn off all fp exceptions */
+ tsk->thread.fp_state.fpscr = 0; /* turn off all fp exceptions */
/* create a stack frame for the caller of the handler */
newsp = ((unsigned long)rt_sf) - (__SIGNAL_FRAMESIZE + 16);
printk_ratelimited(KERN_INFO
"%s[%d]: bad frame in handle_rt_signal32: "
"%p nip %08lx lr %08lx\n",
- current->comm, current->pid,
+ tsk->comm, tsk->pid,
addr, regs->nip, regs->link);
return 1;
/*
* OK, we're invoking a handler
*/
-int handle_signal32(struct ksignal *ksig, sigset_t *oldset, struct pt_regs *regs)
+int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
+ struct task_struct *tsk)
{
struct sigcontext __user *sc;
struct sigframe __user *frame;
unsigned long newsp = 0;
int sigret;
unsigned long tramp;
+ struct pt_regs *regs = tsk->thread.regs;
+
+ BUG_ON(tsk != current);
/* Set up Signal Frame */
- frame = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*frame), 1);
+ frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 1);
if (unlikely(frame == NULL))
goto badframe;
sc = (struct sigcontext __user *) &frame->sctx;
|| __put_user(ksig->sig, &sc->signal))
goto badframe;
- if (vdso32_sigtramp && current->mm->context.vdso_base) {
+ if (vdso32_sigtramp && tsk->mm->context.vdso_base) {
sigret = 0;
- tramp = current->mm->context.vdso_base + vdso32_sigtramp;
+ tramp = tsk->mm->context.vdso_base + vdso32_sigtramp;
} else {
sigret = __NR_sigreturn;
tramp = (unsigned long) frame->mctx.tramp;
regs->link = tramp;
- current->thread.fp_state.fpscr = 0; /* turn off all fp exceptions */
+ tsk->thread.fp_state.fpscr = 0; /* turn off all fp exceptions */
/* create a stack frame for the caller of the handler */
newsp = ((unsigned long)frame) - __SIGNAL_FRAMESIZE;
printk_ratelimited(KERN_INFO
"%s[%d]: bad frame in handle_signal32: "
"%p nip %08lx lr %08lx\n",
- current->comm, current->pid,
+ tsk->comm, tsk->pid,
frame, regs->nip, regs->link);
return 1;
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