#include <asm/pgtable.h>
#include <asm/switch_to.h>
#include <asm/tm.h>
+#include <asm/asm-prototypes.h>
#define CREATE_TRACE_POINTS
#include <trace/events/syscalls.h>
}
/*
- * When the transaction is active, 'transact_fp' holds the current running
- * value of all FPR registers and 'fp_state' holds the last checkpointed
- * value of all FPR registers for the current transaction. When transaction
- * is not active 'fp_state' holds the current running state of all the FPR
- * registers. So this function which returns the current running values of
- * all the FPR registers, needs to know whether any transaction is active
- * or not.
+ * Regardless of transactions, 'fp_state' holds the current running
+ * value of all FPR registers and 'ckfp_state' holds the last checkpointed
+ * value of all FPR registers for the current transaction.
*
* Userspace interface buffer layout:
*
* u64 fpr[32];
* u64 fpscr;
* };
- *
- * There are two config options CONFIG_VSX and CONFIG_PPC_TRANSACTIONAL_MEM
- * which determines the final code in this function. All the combinations of
- * these two config options are possible except the one below as transactional
- * memory config pulls in CONFIG_VSX automatically.
- *
- * !defined(CONFIG_VSX) && defined(CONFIG_PPC_TRANSACTIONAL_MEM)
*/
static int fpr_get(struct task_struct *target, const struct user_regset *regset,
unsigned int pos, unsigned int count,
#ifdef CONFIG_VSX
u64 buf[33];
int i;
-#endif
- flush_fp_to_thread(target);
-#if defined(CONFIG_VSX) && defined(CONFIG_PPC_TRANSACTIONAL_MEM)
- /* copy to local buffer then write that out */
- if (MSR_TM_ACTIVE(target->thread.regs->msr)) {
- flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
- for (i = 0; i < 32 ; i++)
- buf[i] = target->thread.TS_TRANS_FPR(i);
- buf[32] = target->thread.transact_fp.fpscr;
- } else {
- for (i = 0; i < 32 ; i++)
- buf[i] = target->thread.TS_FPR(i);
- buf[32] = target->thread.fp_state.fpscr;
- }
- return user_regset_copyout(&pos, &count, &kbuf, &ubuf, buf, 0, -1);
-#endif
+ flush_fp_to_thread(target);
-#if defined(CONFIG_VSX) && !defined(CONFIG_PPC_TRANSACTIONAL_MEM)
/* copy to local buffer then write that out */
for (i = 0; i < 32 ; i++)
buf[i] = target->thread.TS_FPR(i);
buf[32] = target->thread.fp_state.fpscr;
return user_regset_copyout(&pos, &count, &kbuf, &ubuf, buf, 0, -1);
-#endif
-
-#if !defined(CONFIG_VSX) && !defined(CONFIG_PPC_TRANSACTIONAL_MEM)
+#else
BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
offsetof(struct thread_fp_state, fpr[32]));
+ flush_fp_to_thread(target);
+
return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
&target->thread.fp_state, 0, -1);
#endif
}
/*
- * When the transaction is active, 'transact_fp' holds the current running
- * value of all FPR registers and 'fp_state' holds the last checkpointed
- * value of all FPR registers for the current transaction. When transaction
- * is not active 'fp_state' holds the current running state of all the FPR
- * registers. So this function which setss the current running values of
- * all the FPR registers, needs to know whether any transaction is active
- * or not.
+ * Regardless of transactions, 'fp_state' holds the current running
+ * value of all FPR registers and 'ckfp_state' holds the last checkpointed
+ * value of all FPR registers for the current transaction.
*
* Userspace interface buffer layout:
*
* u64 fpscr;
* };
*
- * There are two config options CONFIG_VSX and CONFIG_PPC_TRANSACTIONAL_MEM
- * which determines the final code in this function. All the combinations of
- * these two config options are possible except the one below as transactional
- * memory config pulls in CONFIG_VSX automatically.
- *
- * !defined(CONFIG_VSX) && defined(CONFIG_PPC_TRANSACTIONAL_MEM)
*/
static int fpr_set(struct task_struct *target, const struct user_regset *regset,
unsigned int pos, unsigned int count,
#ifdef CONFIG_VSX
u64 buf[33];
int i;
-#endif
+
flush_fp_to_thread(target);
-#if defined(CONFIG_VSX) && defined(CONFIG_PPC_TRANSACTIONAL_MEM)
/* copy to local buffer then write that out */
i = user_regset_copyin(&pos, &count, &kbuf, &ubuf, buf, 0, -1);
if (i)
return i;
- if (MSR_TM_ACTIVE(target->thread.regs->msr)) {
- flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
- for (i = 0; i < 32 ; i++)
- target->thread.TS_TRANS_FPR(i) = buf[i];
- target->thread.transact_fp.fpscr = buf[32];
- } else {
- for (i = 0; i < 32 ; i++)
- target->thread.TS_FPR(i) = buf[i];
- target->thread.fp_state.fpscr = buf[32];
- }
- return 0;
-#endif
-
-#if defined(CONFIG_VSX) && !defined(CONFIG_PPC_TRANSACTIONAL_MEM)
- /* copy to local buffer then write that out */
- i = user_regset_copyin(&pos, &count, &kbuf, &ubuf, buf, 0, -1);
- if (i)
- return i;
for (i = 0; i < 32 ; i++)
target->thread.TS_FPR(i) = buf[i];
target->thread.fp_state.fpscr = buf[32];
return 0;
-#endif
-
-#if !defined(CONFIG_VSX) && !defined(CONFIG_PPC_TRANSACTIONAL_MEM)
+#else
BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
offsetof(struct thread_fp_state, fpr[32]));
+ flush_fp_to_thread(target);
+
return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&target->thread.fp_state, 0, -1);
#endif
}
/*
- * When the transaction is active, 'transact_vr' holds the current running
- * value of all the VMX registers and 'vr_state' holds the last checkpointed
- * value of all the VMX registers for the current transaction to fall back
- * on in case it aborts. When transaction is not active 'vr_state' holds
- * the current running state of all the VMX registers. So this function which
- * gets the current running values of all the VMX registers, needs to know
- * whether any transaction is active or not.
+ * Regardless of transactions, 'vr_state' holds the current running
+ * value of all the VMX registers and 'ckvr_state' holds the last
+ * checkpointed value of all the VMX registers for the current
+ * transaction to fall back on in case it aborts.
*
* Userspace interface buffer layout:
*
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
- struct thread_vr_state *addr;
int ret;
flush_altivec_to_thread(target);
BUILD_BUG_ON(offsetof(struct thread_vr_state, vscr) !=
offsetof(struct thread_vr_state, vr[32]));
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr)) {
- flush_fp_to_thread(target);
- flush_tmregs_to_thread(target);
- addr = &target->thread.transact_vr;
- } else {
- addr = &target->thread.vr_state;
- }
-#else
- addr = &target->thread.vr_state;
-#endif
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- addr, 0,
+ &target->thread.vr_state, 0,
33 * sizeof(vector128));
if (!ret) {
/*
} vrsave;
memset(&vrsave, 0, sizeof(vrsave));
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr))
- vrsave.word = target->thread.transact_vrsave;
- else
- vrsave.word = target->thread.vrsave;
-#else
vrsave.word = target->thread.vrsave;
-#endif
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &vrsave,
33 * sizeof(vector128), -1);
}
/*
- * When the transaction is active, 'transact_vr' holds the current running
- * value of all the VMX registers and 'vr_state' holds the last checkpointed
- * value of all the VMX registers for the current transaction to fall back
- * on in case it aborts. When transaction is not active 'vr_state' holds
- * the current running state of all the VMX registers. So this function which
- * sets the current running values of all the VMX registers, needs to know
- * whether any transaction is active or not.
+ * Regardless of transactions, 'vr_state' holds the current running
+ * value of all the VMX registers and 'ckvr_state' holds the last
+ * checkpointed value of all the VMX registers for the current
+ * transaction to fall back on in case it aborts.
*
* Userspace interface buffer layout:
*
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
- struct thread_vr_state *addr;
int ret;
flush_altivec_to_thread(target);
BUILD_BUG_ON(offsetof(struct thread_vr_state, vscr) !=
offsetof(struct thread_vr_state, vr[32]));
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr)) {
- flush_fp_to_thread(target);
- flush_tmregs_to_thread(target);
- addr = &target->thread.transact_vr;
- } else {
- addr = &target->thread.vr_state;
- }
-#else
- addr = &target->thread.vr_state;
-#endif
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
- addr, 0,
+ &target->thread.vr_state, 0,
33 * sizeof(vector128));
if (!ret && count > 0) {
/*
} vrsave;
memset(&vrsave, 0, sizeof(vrsave));
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr))
- vrsave.word = target->thread.transact_vrsave;
- else
- vrsave.word = target->thread.vrsave;
-#else
vrsave.word = target->thread.vrsave;
-#endif
+
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &vrsave,
33 * sizeof(vector128), -1);
- if (!ret) {
-
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr))
- target->thread.transact_vrsave = vrsave.word;
- else
- target->thread.vrsave = vrsave.word;
-#else
+ if (!ret)
target->thread.vrsave = vrsave.word;
-#endif
- }
}
return ret;
}
/*
- * When the transaction is active, 'transact_fp' holds the current running
- * value of all FPR registers and 'fp_state' holds the last checkpointed
- * value of all FPR registers for the current transaction. When transaction
- * is not active 'fp_state' holds the current running state of all the FPR
- * registers. So this function which returns the current running values of
- * all the FPR registers, needs to know whether any transaction is active
- * or not.
+ * Regardless of transactions, 'fp_state' holds the current running
+ * value of all FPR registers and 'ckfp_state' holds the last
+ * checkpointed value of all FPR registers for the current
+ * transaction.
*
* Userspace interface buffer layout:
*
u64 buf[32];
int ret, i;
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
-#endif
flush_vsx_to_thread(target);
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr)) {
- for (i = 0; i < 32 ; i++)
- buf[i] = target->thread.
- transact_fp.fpr[i][TS_VSRLOWOFFSET];
- } else {
- for (i = 0; i < 32 ; i++)
- buf[i] = target->thread.
- fp_state.fpr[i][TS_VSRLOWOFFSET];
- }
-#else
for (i = 0; i < 32 ; i++)
buf[i] = target->thread.fp_state.fpr[i][TS_VSRLOWOFFSET];
-#endif
+
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
buf, 0, 32 * sizeof(double));
}
/*
- * When the transaction is active, 'transact_fp' holds the current running
- * value of all FPR registers and 'fp_state' holds the last checkpointed
- * value of all FPR registers for the current transaction. When transaction
- * is not active 'fp_state' holds the current running state of all the FPR
- * registers. So this function which sets the current running values of all
- * the FPR registers, needs to know whether any transaction is active or not.
+ * Regardless of transactions, 'fp_state' holds the current running
+ * value of all FPR registers and 'ckfp_state' holds the last
+ * checkpointed value of all FPR registers for the current
+ * transaction.
*
* Userspace interface buffer layout:
*
u64 buf[32];
int ret,i;
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
-#endif
flush_vsx_to_thread(target);
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
buf, 0, 32 * sizeof(double));
-
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- if (MSR_TM_ACTIVE(target->thread.regs->msr)) {
- for (i = 0; i < 32 ; i++)
- target->thread.transact_fp.
- fpr[i][TS_VSRLOWOFFSET] = buf[i];
- } else {
+ if (!ret)
for (i = 0; i < 32 ; i++)
- target->thread.fp_state.
- fpr[i][TS_VSRLOWOFFSET] = buf[i];
- }
-#else
- for (i = 0; i < 32 ; i++)
- target->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = buf[i];
-#endif
-
+ target->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = buf[i];
return ret;
}
if (!MSR_TM_ACTIVE(target->thread.regs->msr))
return -ENODATA;
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
&target->thread.ckpt_regs,
if (!MSR_TM_ACTIVE(target->thread.regs->msr))
return -ENODATA;
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&target->thread.ckpt_regs,
*
* This function gets in transaction checkpointed FPR registers.
*
- * When the transaction is active 'fp_state' holds the checkpointed
+ * When the transaction is active 'ckfp_state' holds the checkpointed
* values for the current transaction to fall back on if it aborts
* in between. This function gets those checkpointed FPR registers.
* The userspace interface buffer layout is as follows.
if (!MSR_TM_ACTIVE(target->thread.regs->msr))
return -ENODATA;
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
/* copy to local buffer then write that out */
for (i = 0; i < 32 ; i++)
- buf[i] = target->thread.TS_FPR(i);
- buf[32] = target->thread.fp_state.fpscr;
+ buf[i] = target->thread.TS_CKFPR(i);
+ buf[32] = target->thread.ckfp_state.fpscr;
return user_regset_copyout(&pos, &count, &kbuf, &ubuf, buf, 0, -1);
}
*
* This function sets in transaction checkpointed FPR registers.
*
- * When the transaction is active 'fp_state' holds the checkpointed
+ * When the transaction is active 'ckfp_state' holds the checkpointed
* FPR register values for the current transaction to fall back on
* if it aborts in between. This function sets these checkpointed
* FPR registers. The userspace interface buffer layout is as follows.
if (!MSR_TM_ACTIVE(target->thread.regs->msr))
return -ENODATA;
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
/* copy to local buffer then write that out */
i = user_regset_copyin(&pos, &count, &kbuf, &ubuf, buf, 0, -1);
if (i)
return i;
for (i = 0; i < 32 ; i++)
- target->thread.TS_FPR(i) = buf[i];
- target->thread.fp_state.fpscr = buf[32];
+ target->thread.TS_CKFPR(i) = buf[i];
+ target->thread.ckfp_state.fpscr = buf[32];
return 0;
}
*
* This function gets in transaction checkpointed VMX registers.
*
- * When the transaction is active 'vr_state' and 'vr_save' hold
+ * When the transaction is active 'ckvr_state' and 'ckvrsave' hold
* the checkpointed values for the current transaction to fall
* back on if it aborts in between. The userspace interface buffer
* layout is as follows.
return -ENODATA;
/* Flush the state */
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- &target->thread.vr_state, 0,
+ &target->thread.ckvr_state, 0,
33 * sizeof(vector128));
if (!ret) {
/*
u32 word;
} vrsave;
memset(&vrsave, 0, sizeof(vrsave));
- vrsave.word = target->thread.vrsave;
+ vrsave.word = target->thread.ckvrsave;
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &vrsave,
33 * sizeof(vector128), -1);
}
*
* This function sets in transaction checkpointed VMX registers.
*
- * When the transaction is active 'vr_state' and 'vr_save' hold
+ * When the transaction is active 'ckvr_state' and 'ckvrsave' hold
* the checkpointed values for the current transaction to fall
* back on if it aborts in between. The userspace interface buffer
* layout is as follows.
if (!MSR_TM_ACTIVE(target->thread.regs->msr))
return -ENODATA;
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
- &target->thread.vr_state, 0,
+ &target->thread.ckvr_state, 0,
33 * sizeof(vector128));
if (!ret && count > 0) {
/*
u32 word;
} vrsave;
memset(&vrsave, 0, sizeof(vrsave));
- vrsave.word = target->thread.vrsave;
+ vrsave.word = target->thread.ckvrsave;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &vrsave,
33 * sizeof(vector128), -1);
if (!ret)
- target->thread.vrsave = vrsave.word;
+ target->thread.ckvrsave = vrsave.word;
}
return ret;
*
* This function gets in transaction checkpointed VSX registers.
*
- * When the transaction is active 'fp_state' holds the checkpointed
+ * When the transaction is active 'ckfp_state' holds the checkpointed
* values for the current transaction to fall back on if it aborts
* in between. This function gets those checkpointed VSX registers.
* The userspace interface buffer layout is as follows.
return -ENODATA;
/* Flush the state */
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
flush_vsx_to_thread(target);
for (i = 0; i < 32 ; i++)
- buf[i] = target->thread.fp_state.fpr[i][TS_VSRLOWOFFSET];
+ buf[i] = target->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET];
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
buf, 0, 32 * sizeof(double));
*
* This function sets in transaction checkpointed VSX registers.
*
- * When the transaction is active 'fp_state' holds the checkpointed
+ * When the transaction is active 'ckfp_state' holds the checkpointed
* VSX register values for the current transaction to fall back on
* if it aborts in between. This function sets these checkpointed
* FPR registers. The userspace interface buffer layout is as follows.
return -ENODATA;
/* Flush the state */
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
flush_vsx_to_thread(target);
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
buf, 0, 32 * sizeof(double));
- for (i = 0; i < 32 ; i++)
- target->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = buf[i];
+ if (!ret)
+ for (i = 0; i < 32 ; i++)
+ target->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET] = buf[i];
return ret;
}
return -ENODEV;
/* Flush the states */
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
/* TFHAR register */
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
return -ENODEV;
/* Flush the states */
+ flush_tmregs_to_thread(target);
flush_fp_to_thread(target);
flush_altivec_to_thread(target);
- flush_tmregs_to_thread(target);
/* TFHAR register */
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
static int gpr32_get_common(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf, bool tm_active)
+ void *kbuf, void __user *ubuf,
+ unsigned long *regs)
{
- const unsigned long *regs = &target->thread.regs->gpr[0];
- const unsigned long *ckpt_regs;
compat_ulong_t *k = kbuf;
compat_ulong_t __user *u = ubuf;
compat_ulong_t reg;
- int i;
-
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- ckpt_regs = &target->thread.ckpt_regs.gpr[0];
-#endif
- if (tm_active) {
- regs = ckpt_regs;
- } else {
- if (target->thread.regs == NULL)
- return -EIO;
-
- if (!FULL_REGS(target->thread.regs)) {
- /*
- * We have a partial register set.
- * Fill 14-31 with bogus values.
- */
- for (i = 14; i < 32; i++)
- target->thread.regs->gpr[i] = NV_REG_POISON;
- }
- }
pos /= sizeof(reg);
count /= sizeof(reg);
static int gpr32_set_common(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
- const void *kbuf, const void __user *ubuf, bool tm_active)
+ const void *kbuf, const void __user *ubuf,
+ unsigned long *regs)
{
- unsigned long *regs = &target->thread.regs->gpr[0];
- unsigned long *ckpt_regs;
const compat_ulong_t *k = kbuf;
const compat_ulong_t __user *u = ubuf;
compat_ulong_t reg;
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- ckpt_regs = &target->thread.ckpt_regs.gpr[0];
-#endif
-
- if (tm_active) {
- regs = ckpt_regs;
- } else {
- regs = &target->thread.regs->gpr[0];
-
- if (target->thread.regs == NULL)
- return -EIO;
-
- CHECK_FULL_REGS(target->thread.regs);
- }
-
pos /= sizeof(reg);
count /= sizeof(reg);
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
- return gpr32_get_common(target, regset, pos, count, kbuf, ubuf, 1);
+ return gpr32_get_common(target, regset, pos, count, kbuf, ubuf,
+ &target->thread.ckpt_regs.gpr[0]);
}
static int tm_cgpr32_set(struct task_struct *target,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
- return gpr32_set_common(target, regset, pos, count, kbuf, ubuf, 1);
+ return gpr32_set_common(target, regset, pos, count, kbuf, ubuf,
+ &target->thread.ckpt_regs.gpr[0]);
}
#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
- return gpr32_get_common(target, regset, pos, count, kbuf, ubuf, 0);
+ int i;
+
+ if (target->thread.regs == NULL)
+ return -EIO;
+
+ if (!FULL_REGS(target->thread.regs)) {
+ /*
+ * We have a partial register set.
+ * Fill 14-31 with bogus values.
+ */
+ for (i = 14; i < 32; i++)
+ target->thread.regs->gpr[i] = NV_REG_POISON;
+ }
+ return gpr32_get_common(target, regset, pos, count, kbuf, ubuf,
+ &target->thread.regs->gpr[0]);
}
static int gpr32_set(struct task_struct *target,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
- return gpr32_set_common(target, regset, pos, count, kbuf, ubuf, 0);
+ if (target->thread.regs == NULL)
+ return -EIO;
+
+ CHECK_FULL_REGS(target->thread.regs);
+ return gpr32_set_common(target, regset, pos, count, kbuf, ubuf,
+ &target->thread.regs->gpr[0]);
}
/*
projects / cascardo / linux.git / blobdiff