---
arch/powerpc/Makefile | 1 +
arch/powerpc/crypto/md5-asm.S | 40 +++----
arch/powerpc/crypto/sha1-powerpc-asm.S | 10 +-
arch/powerpc/include/asm/kvm_book3s_asm.h | 2 +-
arch/powerpc/include/asm/ppc_asm.h | 21 +++-
arch/powerpc/kernel/asm-offsets.c | 4 +-
arch/powerpc/kernel/entry_32.S | 4 +-
arch/powerpc/kernel/entry_64.S | 45 ++++----
arch/powerpc/kernel/exceptions-64s.S | 3 +-
arch/powerpc/kernel/head_64.S | 8 +-
arch/powerpc/kernel/idle_book3s.S | 79 +++++++------
arch/powerpc/kernel/kgdb.c | 8 +-
arch/powerpc/kernel/process.c | 4 +-
arch/powerpc/kernel/tm.S | 40 ++++---
arch/powerpc/kernel/trace/ftrace_64_mprofile.S | 10 +-
arch/powerpc/kvm/book3s_hv_interrupts.S | 5 +-
arch/powerpc/kvm/book3s_interrupts.S | 93 +++++++++++----
arch/powerpc/kvm/book3s_pr.c | 6 +
arch/powerpc/lib/checksum_64.S | 66 +++++------
arch/powerpc/lib/copypage_power7.S | 32 +++---
arch/powerpc/lib/copyuser_power7.S | 152 ++++++++++++-------------
arch/powerpc/lib/crtsavres.S | 3 +
arch/powerpc/lib/memcpy_power7.S | 80 ++++++-------
23 files changed, 396 insertions(+), 320 deletions(-)
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 1381693a4a51..8dd38facc5f2 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -140,6 +140,7 @@ AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1)
endif
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call
cc-option,-mminimal-toc))
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions)
+CFLAGS-$(CONFIG_PPC64) += -ffixed-r13 -ffixed-r14
CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD)
ifeq ($(CONFIG_PPC_BOOK3S_64),y)
diff --git a/arch/powerpc/crypto/md5-asm.S b/arch/powerpc/crypto/md5-asm.S
index 10cdf5bceebb..99e41af88e19 100644
--- a/arch/powerpc/crypto/md5-asm.S
+++ b/arch/powerpc/crypto/md5-asm.S
@@ -25,31 +25,31 @@
#define rW02 r10
#define rW03 r11
#define rW04 r12
-#define rW05 r14
-#define rW06 r15
-#define rW07 r16
-#define rW08 r17
-#define rW09 r18
-#define rW10 r19
-#define rW11 r20
-#define rW12 r21
-#define rW13 r22
-#define rW14 r23
-#define rW15 r24
-
-#define rT0 r25
-#define rT1 r26
+#define rW05 r15
+#define rW06 r16
+#define rW07 r17
+#define rW08 r18
+#define rW09 r19
+#define rW10 r20
+#define rW11 r21
+#define rW12 r22
+#define rW13 r23
+#define rW14 r24
+#define rW15 r25
+
+#define rT0 r26
+#define rT1 r27
#define INITIALIZE \
PPC_STLU r1,-INT_FRAME_SIZE(r1); \
- SAVE_8GPRS(14, r1); /* push registers onto stack */ \
- SAVE_4GPRS(22, r1); \
- SAVE_GPR(26, r1)
+ SAVE_8GPRS(15, r1); /* push registers onto stack */ \
+ SAVE_4GPRS(23, r1); \
+ SAVE_GPR(27, r1)
#define FINALIZE \
- REST_8GPRS(14, r1); /* pop registers from stack */ \
- REST_4GPRS(22, r1); \
- REST_GPR(26, r1); \
+ REST_8GPRS(15, r1); /* pop registers from stack */ \
+ REST_4GPRS(23, r1); \
+ REST_GPR(27, r1); \
addi r1,r1,INT_FRAME_SIZE;
#ifdef __BIG_ENDIAN__
diff --git a/arch/powerpc/crypto/sha1-powerpc-asm.S
b/arch/powerpc/crypto/sha1-powerpc-asm.S
index c8951ce0dcc4..6c38de214c11 100644
--- a/arch/powerpc/crypto/sha1-powerpc-asm.S
+++ b/arch/powerpc/crypto/sha1-powerpc-asm.S
@@ -42,10 +42,10 @@
or r6,r6,r0; \
add r0,RE(t),r15; \
add RT(t),RT(t),r6; \
- add r14,r0,W(t); \
+ add r6,r0,W(t); \
LWZ(W((t)+4),((t)+4)*4,r4); \
rotlwi RB(t),RB(t),30; \
- add RT(t),RT(t),r14
+ add RT(t),RT(t),r6
#define STEPD0_UPDATE(t) \
and r6,RB(t),RC(t); \
@@ -124,8 +124,7 @@
_GLOBAL(powerpc_sha_transform)
PPC_STLU r1,-INT_FRAME_SIZE(r1)
- SAVE_8GPRS(14, r1)
- SAVE_10GPRS(22, r1)
+ SAVE_NVGPRS(r1)
/* Load up A - E */
lwz RA(0),0(r3) /* A */
@@ -183,7 +182,6 @@ _GLOBAL(powerpc_sha_transform)
stw RD(0),12(r3)
stw RE(0),16(r3)
- REST_8GPRS(14, r1)
- REST_10GPRS(22, r1)
+ REST_NVGPRS(r1)
addi r1,r1,INT_FRAME_SIZE
blr
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h
b/arch/powerpc/include/asm/kvm_book3s_asm.h
index ab386af2904f..fbbd2ca18866 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -143,7 +143,7 @@ struct kvmppc_host_state {
struct kvmppc_book3s_shadow_vcpu {
bool in_use;
- ulong gpr[14];
+ ulong gpr[15];
u32 cr;
ulong xer;
ulong ctr;
diff --git a/arch/powerpc/include/asm/ppc_asm.h
b/arch/powerpc/include/asm/ppc_asm.h
index ae94b3626b6c..109f4dce8a79 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -10,6 +10,16 @@
#include <asm/ppc-opcode.h>
#include <asm/firmware.h>
+#ifdef __powerpc64__
+#ifdef CONFIG_PPC_BOOK3S
+#define FIRST_NVGPR 15
+#else
+#define FIRST_NVGPR 14
+#endif
+#else
+#define FIRST_NVGPR 13
+#endif
+
#ifdef __ASSEMBLY__
#define SZL (BITS_PER_LONG/8)
@@ -75,16 +85,21 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
#ifdef __powerpc64__
#define SAVE_GPR(n, base) std n,GPR0+8*(n)(base)
#define REST_GPR(n, base) ld n,GPR0+8*(n)(base)
+#ifdef CONFIG_PPC_BOOK3S
+#define SAVE_NVGPRS(base) SAVE_GPR(15, base); SAVE_2GPRS(16, base);
SAVE_4GPRS(18, base); SAVE_10GPRS(22, base)
+#define REST_NVGPRS(base) REST_GPR(15, base); REST_2GPRS(16, base);
REST_4GPRS(18, base); REST_10GPRS(22, base)
+#else /* CONFIG_PPC_BOOK3S */
#define SAVE_NVGPRS(base) SAVE_8GPRS(14, base); SAVE_10GPRS(22, base)
#define REST_NVGPRS(base) REST_8GPRS(14, base); REST_10GPRS(22, base)
-#else
+#endif /* CONFIG_PPC_BOOK3S */
+#else /* __powerpc64__ */
#define SAVE_GPR(n, base) stw n,GPR0+4*(n)(base)
#define REST_GPR(n, base) lwz n,GPR0+4*(n)(base)
#define SAVE_NVGPRS(base) SAVE_GPR(13, base); SAVE_8GPRS(14, base); \
SAVE_10GPRS(22, base)
#define REST_NVGPRS(base) REST_GPR(13, base); REST_8GPRS(14, base); \
REST_10GPRS(22, base)
-#endif
+#endif /* __powerpc64__ */
#define SAVE_2GPRS(n, base) SAVE_GPR(n, base); SAVE_GPR(n+1, base)
#define SAVE_4GPRS(n, base) SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
@@ -184,7 +199,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
#ifdef CONFIG_PPC64
#define STACKFRAMESIZE 256
-#define __STK_REG(i) (112 + ((i)-14)*8)
+#define __STK_REG(i) (112 + ((i)-15)*8)
#define STK_REG(i) __STK_REG(__REG_##i)
#ifdef PPC64_ELF_ABI_v2
diff --git a/arch/powerpc/kernel/asm-offsets.c
b/arch/powerpc/kernel/asm-offsets.c
index 397681f43eed..db8407483c9e 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -283,9 +283,9 @@ int main(void)
STACK_PT_REGS_OFFSET(GPR11, gpr[11]);
STACK_PT_REGS_OFFSET(GPR12, gpr[12]);
STACK_PT_REGS_OFFSET(GPR13, gpr[13]);
-#ifndef CONFIG_PPC64
+#ifndef CONFIG_PPC_BOOK3E_64
STACK_PT_REGS_OFFSET(GPR14, gpr[14]);
-#endif /* CONFIG_PPC64 */
+#endif
/*
* Note: these symbols include _ because they overlap with special
* register names
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index e780e1fbf6c2..4b3cf4dc7d05 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -458,8 +458,8 @@ ret_from_fork:
ret_from_kernel_thread:
REST_NVGPRS(r1)
bl schedule_tail
- mtlr r14
- mr r3,r15
+ mtlr FIRST_NVGPR
+ mr r3,FIRST_NVGPR+1
PPC440EP_ERR42
blrl
li r3,0
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index f2ffb9aa7ff4..b9bf44635b10 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -419,7 +419,7 @@ _ASM_NOKPROBE_SYMBOL(save_nvgprs);
* The sigsuspend and rt_sigsuspend system calls can call do_signal
* and thus put the process into the stopped state where we might
* want to examine its user state with ptrace. Therefore we need
- * to save all the nonvolatile registers (r14 - r31) before calling
+ * to save all the nonvolatile registers (r15 - r31) before calling
* the C code. Similarly, fork, vfork and clone need the full
* register state on the stack so that it can be copied to the child.
*/
@@ -463,10 +463,10 @@ _GLOBAL(ret_from_fork)
_GLOBAL(ret_from_kernel_thread)
bl schedule_tail
REST_NVGPRS(r1)
- mtlr r14
- mr r3,r15
+ mtlr FIRST_NVGPR
+ mr r3,FIRST_NVGPR+1
#ifdef PPC64_ELF_ABI_v2
- mr r12,r14
+ mr r12,FIRST_NVGPR
#endif
blrl
li r3,0
@@ -495,9 +495,7 @@ _GLOBAL(_switch)
mflr r0
std r0,16(r1)
stdu r1,-SWITCH_FRAME_SIZE(r1)
- /* r3-r13 are caller saved -- Cort */
- SAVE_8GPRS(14, r1)
- SAVE_10GPRS(22, r1)
+ SAVE_NVGPRS(r1)
std r0,_NIP(r1) /* Return to switch caller */
mfcr r23
std r23,_CCR(r1)
@@ -609,9 +607,8 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
ld r6,_CCR(r1)
mtcrf 0xFF,r6
- /* r3-r13 are destroyed -- Cort */
- REST_8GPRS(14, r1)
- REST_10GPRS(22, r1)
+ /* Volatile regs are destroyed */
+ REST_NVGPRS(r1)
/* convert old thread to its task_struct for return value */
addi r3,r3,-THREAD
@@ -1011,12 +1008,14 @@ _GLOBAL(enter_rtas)
/* Because RTAS is running in 32b mode, it clobbers the high order half
* of all registers that it saves. We therefore save those registers
- * RTAS might touch to the stack. (r0, r3-r13 are caller saved)
+ * RTAS might touch to the stack. (r0, r3-r12 are caller saved)
*/
SAVE_GPR(2, r1) /* Save the TOC */
SAVE_GPR(13, r1) /* Save paca */
- SAVE_8GPRS(14, r1) /* Save the non-volatiles */
- SAVE_10GPRS(22, r1) /* ditto */
+#ifdef CONFIG_PPC_BOOK3S
+ SAVE_GPR(14, r1) /* Save r14 */
+#endif
+ SAVE_NVGPRS(r1) /* Save the non-volatiles */
mfcr r4
std r4,_CCR(r1)
@@ -1118,8 +1117,10 @@ rtas_restore_regs:
/* relocation is on at this point */
REST_GPR(2, r1) /* Restore the TOC */
REST_GPR(13, r1) /* Restore paca */
- REST_8GPRS(14, r1) /* Restore the non-volatiles */
- REST_10GPRS(22, r1) /* ditto */
+#ifdef CONFIG_PPC_BOOK3S
+ REST_GPR(14, r1) /* Restore r14 */
+#endif
+ REST_NVGPRS(r1) /* Restore the non-volatiles */
GET_PACA(r13)
@@ -1149,12 +1150,14 @@ _GLOBAL(enter_prom)
/* Because PROM is running in 32b mode, it clobbers the high order half
* of all registers that it saves. We therefore save those registers
- * PROM might touch to the stack. (r0, r3-r13 are caller saved)
+ * PROM might touch to the stack. (r0, r3-r14 are caller saved)
*/
SAVE_GPR(2, r1)
SAVE_GPR(13, r1)
- SAVE_8GPRS(14, r1)
- SAVE_10GPRS(22, r1)
+#ifdef CONFIG_PPC_BOOK3S
+ SAVE_GPR(14, r1)
+#endif
+ SAVE_NVGPRS(r1)
mfcr r10
mfmsr r11
std r10,_CCR(r1)
@@ -1198,8 +1201,10 @@ _GLOBAL(enter_prom)
/* Restore other registers */
REST_GPR(2, r1)
REST_GPR(13, r1)
- REST_8GPRS(14, r1)
- REST_10GPRS(22, r1)
+#ifdef CONFIG_PPC_BOOK3S
+ REST_GPR(14, r1)
+#endif
+ REST_NVGPRS(r1)
ld r4,_CCR(r1)
mtcr r4
diff --git a/arch/powerpc/kernel/exceptions-64s.S
b/arch/powerpc/kernel/exceptions-64s.S
index 60d9c68ef414..189c456450e2 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1656,8 +1656,7 @@ BEGIN_FTR_SECTION
ld r10,EX_CFAR(r3)
std r10,ORIG_GPR3(r1)
END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
- SAVE_8GPRS(14,r1)
- SAVE_10GPRS(22,r1)
+ SAVE_NVGPRS(r1)
lhz r12,PACA_TRAP_SAVE(r13)
std r12,_TRAP(r1)
addi r11,r1,INT_FRAME_SIZE
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 56f9e112b98d..87b2c2264118 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -802,9 +802,9 @@ __secondary_start:
/* Initialize the kernel stack */
LOAD_REG_ADDR(r3, current_set)
sldi r28,r24,3 /* get current_set[cpu#] */
- ldx r14,r3,r28
- addi r14,r14,THREAD_SIZE-STACK_FRAME_OVERHEAD
- std r14,PACAKSAVE(r13)
+ ldx r15,r3,r28
+ addi r15,r15,THREAD_SIZE-STACK_FRAME_OVERHEAD
+ std r15,PACAKSAVE(r13)
/* Do early setup for that CPU (SLB and hash table pointer) */
bl early_setup_secondary
@@ -813,7 +813,7 @@ __secondary_start:
* setup the new stack pointer, but *don't* use this until
* translation is on.
*/
- mr r1, r14
+ mr r1, r15
/* Clear backchain so we get nice backtraces */
li r7,0
diff --git a/arch/powerpc/kernel/idle_book3s.S
b/arch/powerpc/kernel/idle_book3s.S
index 01e1c1997893..5065c4cb5f12 100644
--- a/arch/powerpc/kernel/idle_book3s.S
+++ b/arch/powerpc/kernel/idle_book3s.S
@@ -150,19 +150,19 @@ power9_restore_additional_sprs:
/*
* Used by threads when the lock bit of core_idle_state is set.
* Threads will spin in HMT_LOW until the lock bit is cleared.
- * r14 - pointer to core_idle_state
- * r15 - used to load contents of core_idle_state
+ * r15 - pointer to core_idle_state
+ * r16 - used to load contents of core_idle_state
* r9 - used as a temporary variable
*/
core_idle_lock_held:
HMT_LOW
-3: lwz r15,0(r14)
- andis. r15,r15,PNV_CORE_IDLE_LOCK_BIT@h
+3: lwz r16,0(r15)
+ andis. r16,r16,PNV_CORE_IDLE_LOCK_BIT@h
bne 3b
HMT_MEDIUM
- lwarx r15,0,r14
- andis. r9,r15,PNV_CORE_IDLE_LOCK_BIT@h
+ lwarx r16,0,r15
+ andis. r9,r16,PNV_CORE_IDLE_LOCK_BIT@h
bne- core_idle_lock_held
blr
@@ -263,21 +263,21 @@ pnv_enter_arch207_idle_mode:
2:
/* Sleep or winkle */
lbz r7,PACA_THREAD_MASK(r13)
- ld r14,PACA_CORE_IDLE_STATE_PTR(r13)
+ ld r15,PACA_CORE_IDLE_STATE_PTR(r13)
li r5,0
beq cr3,3f
lis r5,PNV_CORE_IDLE_WINKLE_COUNT@h
3:
lwarx_loop1:
- lwarx r15,0,r14
+ lwarx r16,0,r15
- andis. r9,r15,PNV_CORE_IDLE_LOCK_BIT@h
+ andis. r9,r16,PNV_CORE_IDLE_LOCK_BIT@h
bnel- core_idle_lock_held
- add r15,r15,r5 /* Add if winkle */
- andc r15,r15,r7 /* Clear thread bit */
+ add r16,r16,r5 /* Add if winkle */
+ andc r16,r16,r7 /* Clear thread bit */
- andi. r9,r15,PNV_CORE_IDLE_THREAD_BITS
+ andi. r9,r16,PNV_CORE_IDLE_THREAD_BITS
/*
* If cr0 = 0, then current thread is the last thread of the core entering
@@ -291,7 +291,7 @@ lwarx_loop1:
pnv_fastsleep_workaround_at_entry:
beq fastsleep_workaround_at_entry
- stwcx. r15,0,r14
+ stwcx. r16,0,r15
bne- lwarx_loop1
isync
@@ -300,8 +300,8 @@ common_enter: /* common code for all the threads entering
sleep or winkle */
IDLE_STATE_ENTER_SEQ_NORET(PPC_SLEEP)
fastsleep_workaround_at_entry:
- oris r15,r15,PNV_CORE_IDLE_LOCK_BIT@h
- stwcx. r15,0,r14
+ oris r16,r16,PNV_CORE_IDLE_LOCK_BIT@h
+ stwcx. r16,0,r15
bne- lwarx_loop1
isync
@@ -311,9 +311,9 @@ fastsleep_workaround_at_entry:
bl opal_config_cpu_idle_state
/* Unlock */
- xoris r15,r15,PNV_CORE_IDLE_LOCK_BIT@h
+ xoris r16,r16,PNV_CORE_IDLE_LOCK_BIT@h
lwsync
- stw r15,0(r14)
+ stw r16,0(r15)
b common_enter
enter_winkle:
@@ -381,15 +381,15 @@ END_FTR_SECTION_IFCLR(CPU_FTR_POWER9_DD2_1)
* stack and enter stop
*/
lbz r7,PACA_THREAD_MASK(r13)
- ld r14,PACA_CORE_IDLE_STATE_PTR(r13)
+ ld r15,PACA_CORE_IDLE_STATE_PTR(r13)
lwarx_loop_stop:
- lwarx r15,0,r14
- andis. r9,r15,PNV_CORE_IDLE_LOCK_BIT@h
+ lwarx r16,0,r15
+ andis. r9,r16,PNV_CORE_IDLE_LOCK_BIT@h
bnel- core_idle_lock_held
- andc r15,r15,r7 /* Clear thread bit */
+ andc r16,r16,r7 /* Clear thread bit */
- stwcx. r15,0,r14
+ stwcx. r16,0,r15
bne- lwarx_loop_stop
isync
@@ -643,8 +643,7 @@ pnv_wakeup_tb_loss:
stb r0,PACA_NAPSTATELOST(r13)
/*
- *
- * Save SRR1 and LR in NVGPRs as they might be clobbered in
+ * Save SRR1 (r12) and LR in NVGPRs as they might be clobbered in
* opal_call() (called in CHECK_HMI_INTERRUPT). SRR1 is required
* to determine the wakeup reason if we branch to kvm_start_guest. LR
* is required to return back to reset vector after hypervisor state
@@ -657,7 +656,7 @@ BEGIN_FTR_SECTION
CHECK_HMI_INTERRUPT
END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
- ld r14,PACA_CORE_IDLE_STATE_PTR(r13)
+ ld r15,PACA_CORE_IDLE_STATE_PTR(r13)
lbz r7,PACA_THREAD_MASK(r13)
/*
@@ -671,15 +670,15 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
* In either case loop until the lock bit is cleared.
*/
1:
- lwarx r15,0,r14
- andis. r9,r15,PNV_CORE_IDLE_LOCK_BIT@h
+ lwarx r16,0,r15
+ andis. r9,r16,PNV_CORE_IDLE_LOCK_BIT@h
bnel- core_idle_lock_held
- oris r15,r15,PNV_CORE_IDLE_LOCK_BIT@h
- stwcx. r15,0,r14
+ oris r16,r16,PNV_CORE_IDLE_LOCK_BIT@h
+ stwcx. r16,0,r15
bne- 1b
isync
- andi. r9,r15,PNV_CORE_IDLE_THREAD_BITS
+ andi. r9,r16,PNV_CORE_IDLE_THREAD_BITS
cmpwi cr2,r9,0
/*
@@ -745,27 +744,27 @@ BEGIN_FTR_SECTION
*/
cmpwi r18,PNV_THREAD_WINKLE
bne 2f
- andis. r9,r15,PNV_CORE_IDLE_WINKLE_COUNT_ALL_BIT@h
- subis r15,r15,PNV_CORE_IDLE_WINKLE_COUNT@h
+ andis. r9,r16,PNV_CORE_IDLE_WINKLE_COUNT_ALL_BIT@h
+ subis r16,r16,PNV_CORE_IDLE_WINKLE_COUNT@h
beq 2f
- ori r15,r15,PNV_CORE_IDLE_THREAD_WINKLE_BITS /* all were winkle */
+ ori r16,r16,PNV_CORE_IDLE_THREAD_WINKLE_BITS /* all were winkle */
2:
/* Shift thread bit to winkle mask, then test if this thread is set,
* and remove it from the winkle bits */
slwi r8,r7,8
- and r8,r8,r15
- andc r15,r15,r8
+ and r8,r8,r16
+ andc r16,r16,r8
cmpwi cr4,r8,1 /* cr4 will be gt if our bit is set, lt if not */
lbz r4,PACA_SUBCORE_SIBLING_MASK(r13)
- and r4,r4,r15
+ and r4,r4,r16
cmpwi r4,0 /* Check if first in subcore */
- or r15,r15,r7 /* Set thread bit */
+ or r16,r16,r7 /* Set thread bit */
beq first_thread_in_subcore
END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300)
- or r15,r15,r7 /* Set thread bit */
+ or r16,r16,r7 /* Set thread bit */
beq cr2,first_thread_in_core
/* Not first thread in core or subcore to wake up */
@@ -842,9 +841,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
mtspr SPRN_WORC,r4
clear_lock:
- xoris r15,r15,PNV_CORE_IDLE_LOCK_BIT@h
+ xoris r16,r16,PNV_CORE_IDLE_LOCK_BIT@h
lwsync
- stw r15,0(r14)
+ stw r16,0(r15)
common_exit:
/*
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 35e240a0a408..d593e381f34d 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -230,11 +230,11 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs,
struct task_struct *p)
for (reg = 0; reg < 3; reg++)
PACK64(ptr, regs->gpr[reg]);
- /* Regs GPR3-13 are caller saved, not in regs->gpr[] */
- ptr += 11;
+ /* Regs GPR3-13/14 are caller saved, not in regs->gpr[] */
+ ptr += FIRST_NVGPR - 2;
- /* Regs GPR14-31 */
- for (reg = 14; reg < 32; reg++)
+ /* Regs GPR14/15-31 */
+ for (reg = FIRST_NVGPR; reg < 32; reg++)
PACK64(ptr, regs->gpr[reg]);
#ifdef CONFIG_FSL_BOOKE
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 2a63cc78257d..f56e42f06f24 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1672,12 +1672,12 @@ int copy_thread(unsigned long clone_flags, unsigned
long usp,
childregs->gpr[1] = sp + sizeof(struct pt_regs);
/* function */
if (usp)
- childregs->gpr[14] = ppc_function_entry((void *)usp);
+ childregs->gpr[FIRST_NVGPR] = ppc_function_entry((void
*)usp);
#ifdef CONFIG_PPC64
clear_tsk_thread_flag(p, TIF_32BIT);
childregs->softe = IRQ_SOFT_MASK_NONE;
#endif
- childregs->gpr[15] = kthread_arg;
+ childregs->gpr[FIRST_NVGPR + 1] = kthread_arg;
p->thread.regs = NULL; /* no user register state */
ti->flags |= _TIF_RESTOREALL;
f = ret_from_kernel_thread;
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index b92ac8e711db..3f62b8157aea 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -106,27 +106,28 @@ _GLOBAL(tm_reclaim)
/* We've a struct pt_regs at [r1+STACK_FRAME_OVERHEAD]. */
std r3, STK_PARAM(R3)(r1)
+ SAVE_GPR(14, r1)
SAVE_NVGPRS(r1)
/* We need to setup MSR for VSX register save instructions. */
- mfmsr r14
- mr r15, r14
- ori r15, r15, MSR_FP
- li r16, 0
- ori r16, r16, MSR_EE /* IRQs hard off */
- andc r15, r15, r16
- oris r15, r15, MSR_VEC@h
+ mfmsr r15
+ mr r16, r15
+ ori r16, r16, MSR_FP
+ li r17, 0
+ ori r17, r17, MSR_EE /* IRQs hard off */
+ andc r16, r16, r17
+ oris r16, r16, MSR_VEC@h
#ifdef CONFIG_VSX
BEGIN_FTR_SECTION
- oris r15,r15, MSR_VSX@h
+ oris r16,r16, MSR_VSX@h
END_FTR_SECTION_IFSET(CPU_FTR_VSX)
#endif
- mtmsrd r15
- std r14, TM_FRAME_L0(r1)
+ mtmsrd r16
+ std r15, TM_FRAME_L0(r1)
/* Do sanity check on MSR to make sure we are suspended */
li r7, (MSR_TS_S)@higher
- srdi r6, r14, 32
+ srdi r6, r15, 32
and r6, r6, r7
1: tdeqi r6, 0
EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,0
@@ -205,7 +206,8 @@ _GLOBAL(tm_reclaim)
std r6, GPR12(r7)
std r8, GPR13(r7)
- SAVE_NVGPRS(r7) /* user r14-r31 */
+ SAVE_GPR(14, r7) /* user r14 */
+ SAVE_NVGPRS(r7) /* user r15-r31 */
/* ******************** NIP ******************** */
mfspr r3, SPRN_TFHAR
@@ -278,12 +280,13 @@ _GLOBAL(tm_reclaim)
/* AMR is checkpointed too, but is unsupported by Linux. */
/* Restore original MSR/IRQ state & clear TM mode */
- ld r14, TM_FRAME_L0(r1) /* Orig MSR */
+ ld r15, TM_FRAME_L0(r1) /* Orig MSR */
- li r15, 0
- rldimi r14, r15, MSR_TS_LG, (63-MSR_TS_LG)-1
- mtmsrd r14
+ li r16, 0
+ rldimi r15, r16, MSR_TS_LG, (63-MSR_TS_LG)-1
+ mtmsrd r15
+ REST_GPR(14, r1)
REST_NVGPRS(r1)
addi r1, r1, TM_FRAME_SIZE
@@ -319,6 +322,7 @@ _GLOBAL(__tm_recheckpoint)
/* We've a struct pt_regs at [r1+STACK_FRAME_OVERHEAD].
* This is used for backing up the NVGPRs:
*/
+ SAVE_GPR(14, r1)
SAVE_NVGPRS(r1)
/* Load complete register state from ts_ckpt* registers */
@@ -391,8 +395,9 @@ restore_gprs:
REST_GPR(4, r7) /* GPR4 */
REST_4GPRS(8, r7) /* GPR8-11 */
REST_2GPRS(12, r7) /* GPR12-13 */
+ REST_GPR(14, r7) /* GPR14 */
- REST_NVGPRS(r7) /* GPR14-31 */
+ REST_NVGPRS(r7) /* GPR15-31 */
/* Load up PPR and DSCR here so we don't run with user values for long
*/
@@ -471,6 +476,7 @@ restore_gprs:
li r4, MSR_RI
mtmsrd r4, 1
+ REST_GPR(14, r1)
REST_NVGPRS(r1)
addi r1, r1, TM_FRAME_SIZE
diff --git a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S
b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S
index 3f3e81852422..a0f62ff3442f 100644
--- a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S
+++ b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S
@@ -76,7 +76,7 @@ _GLOBAL(ftrace_caller)
ld r5,0(r3)
#ifdef CONFIG_LIVEPATCH
- mr r14,r7 /* remember old NIP */
+ mr r15,r7 /* remember old NIP */
#endif
/* Calculate ip from nip-4 into r3 for call below */
subi r3, r7, MCOUNT_INSN_SIZE
@@ -100,10 +100,10 @@ ftrace_call:
nop
/* Load the possibly modified NIP */
- ld r15, _NIP(r1)
+ ld r16, _NIP(r1)
#ifdef CONFIG_LIVEPATCH
- cmpd r14, r15 /* has NIP been altered? */
+ cmpd r15, r16 /* has NIP been altered? */
#endif
#if defined(CONFIG_LIVEPATCH) && defined(CONFIG_KPROBES_ON_FTRACE)
@@ -111,7 +111,7 @@ ftrace_call:
beq 1f
/* Check if there is an active jprobe on us */
- subi r3, r14, 4
+ subi r3, r15, 4
bl __is_active_jprobe
nop
@@ -130,7 +130,7 @@ ftrace_call:
#endif
/* Load CTR with the possibly modified NIP */
- mtctr r15
+ mtctr r16
/* Restore gprs */
REST_GPR(0,r1)
diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S
b/arch/powerpc/kvm/book3s_hv_interrupts.S
index dc54373c8780..ef1c0c1e57ff 100644
--- a/arch/powerpc/kvm/book3s_hv_interrupts.S
+++ b/arch/powerpc/kvm/book3s_hv_interrupts.S
@@ -46,7 +46,7 @@ _GLOBAL(__kvmppc_vcore_entry)
/* Save host state to the stack */
stdu r1, -SWITCH_FRAME_SIZE(r1)
- /* Save non-volatile registers (r14 - r31) and CR */
+ /* Save non-volatile registers (r15 - r31) and CR */
SAVE_NVGPRS(r1)
mfcr r3
std r3, _CCR(r1)
@@ -149,9 +149,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
* R3 = trap number on this thread
* R12 = exit handler id
* R13 = PACA
+ * R14 = ? XXX
*/
- /* Restore non-volatile host registers (r14 - r31) and CR */
+ /* Restore non-volatile host registers (r15 - r31) and CR */
REST_NVGPRS(r1)
ld r4, _CCR(r1)
mtcr r4
diff --git a/arch/powerpc/kvm/book3s_interrupts.S
b/arch/powerpc/kvm/book3s_interrupts.S
index 901e6fe00c39..b275a544129e 100644
--- a/arch/powerpc/kvm/book3s_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -38,6 +38,45 @@
#endif /* CONFIG_PPC_BOOK3S_XX */
+#if defined(CONFIG_PPC_BOOK3S_64)
+#define VCPU_LOAD_NVGPRS(vcpu) \
+ PPC_LL r15, VCPU_GPR(R15)(vcpu); \
+ PPC_LL r16, VCPU_GPR(R16)(vcpu); \
+ PPC_LL r17, VCPU_GPR(R17)(vcpu); \
+ PPC_LL r18, VCPU_GPR(R18)(vcpu); \
+ PPC_LL r19, VCPU_GPR(R19)(vcpu); \
+ PPC_LL r20, VCPU_GPR(R20)(vcpu); \
+ PPC_LL r21, VCPU_GPR(R21)(vcpu); \
+ PPC_LL r22, VCPU_GPR(R22)(vcpu); \
+ PPC_LL r23, VCPU_GPR(R23)(vcpu); \
+ PPC_LL r24, VCPU_GPR(R24)(vcpu); \
+ PPC_LL r25, VCPU_GPR(R25)(vcpu); \
+ PPC_LL r26, VCPU_GPR(R26)(vcpu); \
+ PPC_LL r27, VCPU_GPR(R27)(vcpu); \
+ PPC_LL r28, VCPU_GPR(R28)(vcpu); \
+ PPC_LL r29, VCPU_GPR(R29)(vcpu); \
+ PPC_LL r30, VCPU_GPR(R30)(vcpu); \
+ PPC_LL r31, VCPU_GPR(R31)(vcpu);
+
+#define VCPU_STORE_NVGPRS(vcpu) \
+ PPC_STL r15, VCPU_GPR(R15)(vcpu); \
+ PPC_STL r16, VCPU_GPR(R16)(vcpu); \
+ PPC_STL r17, VCPU_GPR(R17)(vcpu); \
+ PPC_STL r18, VCPU_GPR(R18)(vcpu); \
+ PPC_STL r19, VCPU_GPR(R19)(vcpu); \
+ PPC_STL r20, VCPU_GPR(R20)(vcpu); \
+ PPC_STL r21, VCPU_GPR(R21)(vcpu); \
+ PPC_STL r22, VCPU_GPR(R22)(vcpu); \
+ PPC_STL r23, VCPU_GPR(R23)(vcpu); \
+ PPC_STL r24, VCPU_GPR(R24)(vcpu); \
+ PPC_STL r25, VCPU_GPR(R25)(vcpu); \
+ PPC_STL r26, VCPU_GPR(R26)(vcpu); \
+ PPC_STL r27, VCPU_GPR(R27)(vcpu); \
+ PPC_STL r28, VCPU_GPR(R28)(vcpu); \
+ PPC_STL r29, VCPU_GPR(R29)(vcpu); \
+ PPC_STL r30, VCPU_GPR(R30)(vcpu); \
+ PPC_STL r31, VCPU_GPR(R31)(vcpu);
+#else
#define VCPU_LOAD_NVGPRS(vcpu) \
PPC_LL r14, VCPU_GPR(R14)(vcpu); \
PPC_LL r15, VCPU_GPR(R15)(vcpu); \
@@ -56,7 +95,28 @@
PPC_LL r28, VCPU_GPR(R28)(vcpu); \
PPC_LL r29, VCPU_GPR(R29)(vcpu); \
PPC_LL r30, VCPU_GPR(R30)(vcpu); \
- PPC_LL r31, VCPU_GPR(R31)(vcpu); \
+ PPC_LL r31, VCPU_GPR(R31)(vcpu);
+
+#define VCPU_STORE_NVGPRS(vcpu) \
+ PPC_STL r14, VCPU_GPR(R14)(vcpu); \
+ PPC_STL r15, VCPU_GPR(R15)(vcpu); \
+ PPC_STL r16, VCPU_GPR(R16)(vcpu); \
+ PPC_STL r17, VCPU_GPR(R17)(vcpu); \
+ PPC_STL r18, VCPU_GPR(R18)(vcpu); \
+ PPC_STL r19, VCPU_GPR(R19)(vcpu); \
+ PPC_STL r20, VCPU_GPR(R20)(vcpu); \
+ PPC_STL r21, VCPU_GPR(R21)(vcpu); \
+ PPC_STL r22, VCPU_GPR(R22)(vcpu); \
+ PPC_STL r23, VCPU_GPR(R23)(vcpu); \
+ PPC_STL r24, VCPU_GPR(R24)(vcpu); \
+ PPC_STL r25, VCPU_GPR(R25)(vcpu); \
+ PPC_STL r26, VCPU_GPR(R26)(vcpu); \
+ PPC_STL r27, VCPU_GPR(R27)(vcpu); \
+ PPC_STL r28, VCPU_GPR(R28)(vcpu); \
+ PPC_STL r29, VCPU_GPR(R29)(vcpu); \
+ PPC_STL r30, VCPU_GPR(R30)(vcpu); \
+ PPC_STL r31, VCPU_GPR(R31)(vcpu);
+#endif
/*****************************************************************************
* *
@@ -81,12 +141,12 @@ kvm_start_entry:
/* Save r3 (kvm_run) and r4 (vcpu) */
SAVE_2GPRS(3, r1)
- /* Save non-volatile registers (r14 - r31) */
+ /* Save non-volatile registers (r14/r15 - r31) */
SAVE_NVGPRS(r1)
/* Save CR */
- mfcr r14
- stw r14, _CCR(r1)
+ mfcr r15
+ stw r15, _CCR(r1)
/* Save LR */
PPC_STL r0, _LINK(r1)
@@ -183,24 +243,7 @@ after_sprg3_load:
/* R7 = vcpu */
PPC_LL r7, GPR4(r1)
- PPC_STL r14, VCPU_GPR(R14)(r7)
- PPC_STL r15, VCPU_GPR(R15)(r7)
- PPC_STL r16, VCPU_GPR(R16)(r7)
- PPC_STL r17, VCPU_GPR(R17)(r7)
- PPC_STL r18, VCPU_GPR(R18)(r7)
- PPC_STL r19, VCPU_GPR(R19)(r7)
- PPC_STL r20, VCPU_GPR(R20)(r7)
- PPC_STL r21, VCPU_GPR(R21)(r7)
- PPC_STL r22, VCPU_GPR(R22)(r7)
- PPC_STL r23, VCPU_GPR(R23)(r7)
- PPC_STL r24, VCPU_GPR(R24)(r7)
- PPC_STL r25, VCPU_GPR(R25)(r7)
- PPC_STL r26, VCPU_GPR(R26)(r7)
- PPC_STL r27, VCPU_GPR(R27)(r7)
- PPC_STL r28, VCPU_GPR(R28)(r7)
- PPC_STL r29, VCPU_GPR(R29)(r7)
- PPC_STL r30, VCPU_GPR(R30)(r7)
- PPC_STL r31, VCPU_GPR(R31)(r7)
+ VCPU_STORE_NVGPRS(r7)
/* Pass the exit number as 3rd argument to kvmppc_handle_exit */
lwz r5, VCPU_TRAP(r7)
@@ -221,10 +264,10 @@ kvm_exit_loop:
PPC_LL r4, _LINK(r1)
mtlr r4
- lwz r14, _CCR(r1)
- mtcr r14
+ lwz r15, _CCR(r1)
+ mtcr r15
- /* Restore non-volatile host registers (r14 - r31) */
+ /* Restore non-volatile host registers (r14/r15 - r31) */
REST_NVGPRS(r1)
addi r1, r1, SWITCH_FRAME_SIZE
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index d0dc8624198f..b149d4fa4a45 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -159,6 +159,9 @@ void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu
*svcpu,
svcpu->gpr[11] = vcpu->arch.gpr[11];
svcpu->gpr[12] = vcpu->arch.gpr[12];
svcpu->gpr[13] = vcpu->arch.gpr[13];
+#ifdef CONFIG_PPC_BOOK3S_64
+ svcpu->gpr[14] = vcpu->arch.gpr[14];
+#endif
svcpu->cr = vcpu->arch.cr;
svcpu->xer = vcpu->arch.xer;
svcpu->ctr = vcpu->arch.ctr;
@@ -209,6 +212,9 @@ void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu,
vcpu->arch.gpr[11] = svcpu->gpr[11];
vcpu->arch.gpr[12] = svcpu->gpr[12];
vcpu->arch.gpr[13] = svcpu->gpr[13];
+#ifdef CONFIG_PPC_BOOK3S_64
+ vcpu->arch.gpr[14] = svcpu->gpr[14];
+#endif
vcpu->arch.cr = svcpu->cr;
vcpu->arch.xer = svcpu->xer;
vcpu->arch.ctr = svcpu->ctr;
diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S
index d7f1a966136e..19b0fd549b24 100644
--- a/arch/powerpc/lib/checksum_64.S
+++ b/arch/powerpc/lib/checksum_64.S
@@ -64,9 +64,9 @@ _GLOBAL(__csum_partial)
mtctr r6
stdu r1,-STACKFRAMESIZE(r1)
- std r14,STK_REG(R14)(r1)
std r15,STK_REG(R15)(r1)
std r16,STK_REG(R16)(r1)
+ std r17,STK_REG(R17)(r1)
ld r6,0(r3)
ld r9,8(r3)
@@ -84,11 +84,11 @@ _GLOBAL(__csum_partial)
2:
adde r0,r0,r6
ld r12,32(r3)
- ld r14,40(r3)
+ ld r15,40(r3)
adde r0,r0,r9
- ld r15,48(r3)
- ld r16,56(r3)
+ ld r16,48(r3)
+ ld r17,56(r3)
addi r3,r3,64
adde r0,r0,r10
@@ -97,13 +97,13 @@ _GLOBAL(__csum_partial)
adde r0,r0,r12
- adde r0,r0,r14
-
adde r0,r0,r15
+
+ adde r0,r0,r16
ld r6,0(r3)
ld r9,8(r3)
- adde r0,r0,r16
+ adde r0,r0,r17
ld r10,16(r3)
ld r11,24(r3)
bdnz 2b
@@ -111,23 +111,23 @@ _GLOBAL(__csum_partial)
adde r0,r0,r6
ld r12,32(r3)
- ld r14,40(r3)
+ ld r15,40(r3)
adde r0,r0,r9
- ld r15,48(r3)
- ld r16,56(r3)
+ ld r16,48(r3)
+ ld r17,56(r3)
addi r3,r3,64
adde r0,r0,r10
adde r0,r0,r11
adde r0,r0,r12
- adde r0,r0,r14
adde r0,r0,r15
adde r0,r0,r16
+ adde r0,r0,r17
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
+ ld r17,STK_REG(R17)(r1)
addi r1,r1,STACKFRAMESIZE
andi. r4,r4,63
@@ -258,9 +258,9 @@ dstnr; sth r6,0(r4)
mtctr r6
stdu r1,-STACKFRAMESIZE(r1)
- std r14,STK_REG(R14)(r1)
std r15,STK_REG(R15)(r1)
std r16,STK_REG(R16)(r1)
+ std r17,STK_REG(R17)(r1)
source; ld r6,0(r3)
source; ld r9,8(r3)
@@ -278,11 +278,11 @@ source; ld r11,24(r3)
2:
adde r0,r0,r6
source; ld r12,32(r3)
-source; ld r14,40(r3)
+source; ld r15,40(r3)
adde r0,r0,r9
-source; ld r15,48(r3)
-source; ld r16,56(r3)
+source; ld r16,48(r3)
+source; ld r17,56(r3)
addi r3,r3,64
adde r0,r0,r10
@@ -295,18 +295,18 @@ dest; std r11,24(r4)
adde r0,r0,r12
dest; std r12,32(r4)
-dest; std r14,40(r4)
+dest; std r15,40(r4)
- adde r0,r0,r14
-dest; std r15,48(r4)
-dest; std r16,56(r4)
+ adde r0,r0,r15
+dest; std r16,48(r4)
+dest; std r17,56(r4)
addi r4,r4,64
- adde r0,r0,r15
+ adde r0,r0,r16
source; ld r6,0(r3)
source; ld r9,8(r3)
- adde r0,r0,r16
+ adde r0,r0,r17
source; ld r10,16(r3)
source; ld r11,24(r3)
bdnz 2b
@@ -314,11 +314,11 @@ source; ld r11,24(r3)
adde r0,r0,r6
source; ld r12,32(r3)
-source; ld r14,40(r3)
+source; ld r15,40(r3)
adde r0,r0,r9
-source; ld r15,48(r3)
-source; ld r16,56(r3)
+source; ld r16,48(r3)
+source; ld r17,56(r3)
addi r3,r3,64
adde r0,r0,r10
@@ -331,19 +331,19 @@ dest; std r11,24(r4)
adde r0,r0,r12
dest; std r12,32(r4)
-dest; std r14,40(r4)
+dest; std r15,40(r4)
- adde r0,r0,r14
-dest; std r15,48(r4)
-dest; std r16,56(r4)
+ adde r0,r0,r15
+dest; std r16,48(r4)
+dest; std r17,56(r4)
addi r4,r4,64
- adde r0,r0,r15
adde r0,r0,r16
+ adde r0,r0,r17
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
+ ld r17,STK_REG(R17)(r1)
addi r1,r1,STACKFRAMESIZE
andi. r5,r5,63
@@ -406,9 +406,9 @@ dstnr; stb r6,0(r4)
blr
.Lsrc_error:
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
+ ld r17,STK_REG(R17)(r1)
addi r1,r1,STACKFRAMESIZE
.Lsrc_error_nr:
cmpdi 0,r7,0
@@ -418,9 +418,9 @@ dstnr; stb r6,0(r4)
blr
.Ldest_error:
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
+ ld r17,STK_REG(R17)(r1)
addi r1,r1,STACKFRAMESIZE
.Ldest_error_nr:
cmpdi 0,r8,0
diff --git a/arch/powerpc/lib/copypage_power7.S
b/arch/powerpc/lib/copypage_power7.S
index ca5fc8fa7efc..c65fc4a412f2 100644
--- a/arch/powerpc/lib/copypage_power7.S
+++ b/arch/powerpc/lib/copypage_power7.S
@@ -113,13 +113,13 @@ _GLOBAL(copypage_power7)
#endif
.Lnonvmx_copy:
- std r14,STK_REG(R14)(r1)
std r15,STK_REG(R15)(r1)
std r16,STK_REG(R16)(r1)
std r17,STK_REG(R17)(r1)
std r18,STK_REG(R18)(r1)
std r19,STK_REG(R19)(r1)
std r20,STK_REG(R20)(r1)
+ std r21,STK_REG(R21)(r1)
1: ld r0,0(r4)
ld r5,8(r4)
@@ -130,13 +130,13 @@ _GLOBAL(copypage_power7)
ld r10,48(r4)
ld r11,56(r4)
ld r12,64(r4)
- ld r14,72(r4)
- ld r15,80(r4)
- ld r16,88(r4)
- ld r17,96(r4)
- ld r18,104(r4)
- ld r19,112(r4)
- ld r20,120(r4)
+ ld r15,72(r4)
+ ld r16,80(r4)
+ ld r17,88(r4)
+ ld r18,96(r4)
+ ld r19,104(r4)
+ ld r20,112(r4)
+ ld r21,120(r4)
addi r4,r4,128
std r0,0(r3)
std r5,8(r3)
@@ -147,22 +147,22 @@ _GLOBAL(copypage_power7)
std r10,48(r3)
std r11,56(r3)
std r12,64(r3)
- std r14,72(r3)
- std r15,80(r3)
- std r16,88(r3)
- std r17,96(r3)
- std r18,104(r3)
- std r19,112(r3)
- std r20,120(r3)
+ std r15,72(r3)
+ std r16,80(r3)
+ std r17,88(r3)
+ std r18,96(r3)
+ std r19,104(r3)
+ std r20,112(r3)
+ std r21,120(r3)
addi r3,r3,128
bdnz 1b
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
ld r17,STK_REG(R17)(r1)
ld r18,STK_REG(R18)(r1)
ld r19,STK_REG(R19)(r1)
ld r20,STK_REG(R20)(r1)
+ ld r21,STK_REG(R21)(r1)
addi r1,r1,STACKFRAMESIZE
blr
diff --git a/arch/powerpc/lib/copyuser_power7.S
b/arch/powerpc/lib/copyuser_power7.S
index d416a4a66578..9c137451149b 100644
--- a/arch/powerpc/lib/copyuser_power7.S
+++ b/arch/powerpc/lib/copyuser_power7.S
@@ -50,9 +50,9 @@
.Ldo_err4:
- ld r16,STK_REG(R16)(r1)
- ld r15,STK_REG(R15)(r1)
- ld r14,STK_REG(R14)(r1)
+ ld r17,STK_REG(R16)(r1)
+ ld r16,STK_REG(R15)(r1)
+ ld r15,STK_REG(R14)(r1)
.Ldo_err3:
bl exit_vmx_usercopy
ld r0,STACKFRAMESIZE+16(r1)
@@ -61,15 +61,15 @@
#endif /* CONFIG_ALTIVEC */
.Ldo_err2:
- ld r22,STK_REG(R22)(r1)
- ld r21,STK_REG(R21)(r1)
- ld r20,STK_REG(R20)(r1)
- ld r19,STK_REG(R19)(r1)
- ld r18,STK_REG(R18)(r1)
- ld r17,STK_REG(R17)(r1)
- ld r16,STK_REG(R16)(r1)
- ld r15,STK_REG(R15)(r1)
- ld r14,STK_REG(R14)(r1)
+ ld r23,STK_REG(R22)(r1)
+ ld r22,STK_REG(R21)(r1)
+ ld r21,STK_REG(R20)(r1)
+ ld r20,STK_REG(R19)(r1)
+ ld r19,STK_REG(R18)(r1)
+ ld r18,STK_REG(R17)(r1)
+ ld r17,STK_REG(R16)(r1)
+ ld r16,STK_REG(R15)(r1)
+ ld r15,STK_REG(R14)(r1)
.Lexit:
addi r1,r1,STACKFRAMESIZE
.Ldo_err1:
@@ -130,15 +130,15 @@ err1; stw r0,0(r3)
mflr r0
stdu r1,-STACKFRAMESIZE(r1)
- std r14,STK_REG(R14)(r1)
- std r15,STK_REG(R15)(r1)
- std r16,STK_REG(R16)(r1)
- std r17,STK_REG(R17)(r1)
- std r18,STK_REG(R18)(r1)
- std r19,STK_REG(R19)(r1)
- std r20,STK_REG(R20)(r1)
- std r21,STK_REG(R21)(r1)
- std r22,STK_REG(R22)(r1)
+ std r15,STK_REG(R14)(r1)
+ std r16,STK_REG(R15)(r1)
+ std r17,STK_REG(R16)(r1)
+ std r18,STK_REG(R17)(r1)
+ std r19,STK_REG(R18)(r1)
+ std r20,STK_REG(R19)(r1)
+ std r21,STK_REG(R20)(r1)
+ std r22,STK_REG(R21)(r1)
+ std r23,STK_REG(R22)(r1)
std r0,STACKFRAMESIZE+16(r1)
srdi r6,r5,7
@@ -155,14 +155,14 @@ err2; ld r9,32(r4)
err2; ld r10,40(r4)
err2; ld r11,48(r4)
err2; ld r12,56(r4)
-err2; ld r14,64(r4)
-err2; ld r15,72(r4)
-err2; ld r16,80(r4)
-err2; ld r17,88(r4)
-err2; ld r18,96(r4)
-err2; ld r19,104(r4)
-err2; ld r20,112(r4)
-err2; ld r21,120(r4)
+err2; ld r15,64(r4)
+err2; ld r16,72(r4)
+err2; ld r17,80(r4)
+err2; ld r18,88(r4)
+err2; ld r19,96(r4)
+err2; ld r20,104(r4)
+err2; ld r21,112(r4)
+err2; ld r22,120(r4)
addi r4,r4,128
err2; std r0,0(r3)
err2; std r6,8(r3)
@@ -172,28 +172,28 @@ err2; std r9,32(r3)
err2; std r10,40(r3)
err2; std r11,48(r3)
err2; std r12,56(r3)
-err2; std r14,64(r3)
-err2; std r15,72(r3)
-err2; std r16,80(r3)
-err2; std r17,88(r3)
-err2; std r18,96(r3)
-err2; std r19,104(r3)
-err2; std r20,112(r3)
-err2; std r21,120(r3)
+err2; std r15,64(r3)
+err2; std r16,72(r3)
+err2; std r17,80(r3)
+err2; std r18,88(r3)
+err2; std r19,96(r3)
+err2; std r20,104(r3)
+err2; std r21,112(r3)
+err2; std r22,120(r3)
addi r3,r3,128
bdnz 4b
clrldi r5,r5,(64-7)
- ld r14,STK_REG(R14)(r1)
- ld r15,STK_REG(R15)(r1)
- ld r16,STK_REG(R16)(r1)
- ld r17,STK_REG(R17)(r1)
- ld r18,STK_REG(R18)(r1)
- ld r19,STK_REG(R19)(r1)
- ld r20,STK_REG(R20)(r1)
- ld r21,STK_REG(R21)(r1)
- ld r22,STK_REG(R22)(r1)
+ ld r15,STK_REG(R14)(r1)
+ ld r16,STK_REG(R15)(r1)
+ ld r17,STK_REG(R16)(r1)
+ ld r18,STK_REG(R17)(r1)
+ ld r19,STK_REG(R18)(r1)
+ ld r20,STK_REG(R19)(r1)
+ ld r21,STK_REG(R20)(r1)
+ ld r22,STK_REG(R21)(r1)
+ ld r23,STK_REG(R22)(r1)
addi r1,r1,STACKFRAMESIZE
/* Up to 127B to go */
@@ -404,14 +404,14 @@ err3; stvx v0,r3,r11
7: sub r5,r5,r6
srdi r6,r5,7
- std r14,STK_REG(R14)(r1)
- std r15,STK_REG(R15)(r1)
- std r16,STK_REG(R16)(r1)
+ std r15,STK_REG(R14)(r1)
+ std r16,STK_REG(R15)(r1)
+ std r17,STK_REG(R16)(r1)
li r12,64
- li r14,80
- li r15,96
- li r16,112
+ li r15,80
+ li r16,96
+ li r17,112
mtctr r6
@@ -426,24 +426,24 @@ err4; lvx v6,r4,r9
err4; lvx v5,r4,r10
err4; lvx v4,r4,r11
err4; lvx v3,r4,r12
-err4; lvx v2,r4,r14
-err4; lvx v1,r4,r15
-err4; lvx v0,r4,r16
+err4; lvx v2,r4,r15
+err4; lvx v1,r4,r16
+err4; lvx v0,r4,r17
addi r4,r4,128
err4; stvx v7,0,r3
err4; stvx v6,r3,r9
err4; stvx v5,r3,r10
err4; stvx v4,r3,r11
err4; stvx v3,r3,r12
-err4; stvx v2,r3,r14
-err4; stvx v1,r3,r15
-err4; stvx v0,r3,r16
+err4; stvx v2,r3,r15
+err4; stvx v1,r3,r16
+err4; stvx v0,r3,r17
addi r3,r3,128
bdnz 8b
- ld r14,STK_REG(R14)(r1)
- ld r15,STK_REG(R15)(r1)
- ld r16,STK_REG(R16)(r1)
+ ld r15,STK_REG(R14)(r1)
+ ld r16,STK_REG(R15)(r1)
+ ld r17,STK_REG(R16)(r1)
/* Up to 127B to go */
clrldi r5,r5,(64-7)
@@ -589,14 +589,14 @@ err3; stvx v11,r3,r11
7: sub r5,r5,r6
srdi r6,r5,7
- std r14,STK_REG(R14)(r1)
- std r15,STK_REG(R15)(r1)
- std r16,STK_REG(R16)(r1)
+ std r15,STK_REG(R14)(r1)
+ std r16,STK_REG(R15)(r1)
+ std r17,STK_REG(R16)(r1)
li r12,64
- li r14,80
- li r15,96
- li r16,112
+ li r15,80
+ li r16,96
+ li r17,112
mtctr r6
@@ -616,11 +616,11 @@ err4; lvx v4,r4,r11
VPERM(v11,v5,v4,v16)
err4; lvx v3,r4,r12
VPERM(v12,v4,v3,v16)
-err4; lvx v2,r4,r14
+err4; lvx v2,r4,r15
VPERM(v13,v3,v2,v16)
-err4; lvx v1,r4,r15
+err4; lvx v1,r4,r16
VPERM(v14,v2,v1,v16)
-err4; lvx v0,r4,r16
+err4; lvx v0,r4,r17
VPERM(v15,v1,v0,v16)
addi r4,r4,128
err4; stvx v8,0,r3
@@ -628,15 +628,15 @@ err4; stvx v9,r3,r9
err4; stvx v10,r3,r10
err4; stvx v11,r3,r11
err4; stvx v12,r3,r12
-err4; stvx v13,r3,r14
-err4; stvx v14,r3,r15
-err4; stvx v15,r3,r16
+err4; stvx v13,r3,r15
+err4; stvx v14,r3,r16
+err4; stvx v15,r3,r17
addi r3,r3,128
bdnz 8b
- ld r14,STK_REG(R14)(r1)
- ld r15,STK_REG(R15)(r1)
- ld r16,STK_REG(R16)(r1)
+ ld r15,STK_REG(R14)(r1)
+ ld r16,STK_REG(R15)(r1)
+ ld r17,STK_REG(R16)(r1)
/* Up to 127B to go */
clrldi r5,r5,(64-7)
diff --git a/arch/powerpc/lib/crtsavres.S b/arch/powerpc/lib/crtsavres.S
index 7e5e1c28e56a..c46ad2f0a718 100644
--- a/arch/powerpc/lib/crtsavres.S
+++ b/arch/powerpc/lib/crtsavres.S
@@ -314,9 +314,12 @@ _GLOBAL(_restvr_31)
#else /* CONFIG_PPC64 */
+/* 64-bit has -ffixed-r13, Book3S also has -ffixed-r14 */
+#ifdef CONFIG_PPC_BOOK3E
.globl _savegpr0_14
_savegpr0_14:
std r14,-144(r1)
+#endif
.globl _savegpr0_15
_savegpr0_15:
std r15,-136(r1)
diff --git a/arch/powerpc/lib/memcpy_power7.S b/arch/powerpc/lib/memcpy_power7.S
index 193909abd18b..dd679a0fa650 100644
--- a/arch/powerpc/lib/memcpy_power7.S
+++ b/arch/powerpc/lib/memcpy_power7.S
@@ -75,7 +75,6 @@ _GLOBAL(memcpy_power7)
mflr r0
stdu r1,-STACKFRAMESIZE(r1)
- std r14,STK_REG(R14)(r1)
std r15,STK_REG(R15)(r1)
std r16,STK_REG(R16)(r1)
std r17,STK_REG(R17)(r1)
@@ -84,6 +83,7 @@ _GLOBAL(memcpy_power7)
std r20,STK_REG(R20)(r1)
std r21,STK_REG(R21)(r1)
std r22,STK_REG(R22)(r1)
+ std r23,STK_REG(R23)(r1)
std r0,STACKFRAMESIZE+16(r1)
srdi r6,r5,7
@@ -100,14 +100,14 @@ _GLOBAL(memcpy_power7)
ld r10,40(r4)
ld r11,48(r4)
ld r12,56(r4)
- ld r14,64(r4)
- ld r15,72(r4)
- ld r16,80(r4)
- ld r17,88(r4)
- ld r18,96(r4)
- ld r19,104(r4)
- ld r20,112(r4)
- ld r21,120(r4)
+ ld r15,64(r4)
+ ld r16,72(r4)
+ ld r17,80(r4)
+ ld r18,88(r4)
+ ld r19,96(r4)
+ ld r20,104(r4)
+ ld r21,112(r4)
+ ld r22,120(r4)
addi r4,r4,128
std r0,0(r3)
std r6,8(r3)
@@ -117,20 +117,19 @@ _GLOBAL(memcpy_power7)
std r10,40(r3)
std r11,48(r3)
std r12,56(r3)
- std r14,64(r3)
- std r15,72(r3)
- std r16,80(r3)
- std r17,88(r3)
- std r18,96(r3)
- std r19,104(r3)
- std r20,112(r3)
- std r21,120(r3)
+ std r15,64(r3)
+ std r16,72(r3)
+ std r17,80(r3)
+ std r18,88(r3)
+ std r19,96(r3)
+ std r20,104(r3)
+ std r21,112(r3)
+ std r22,120(r3)
addi r3,r3,128
bdnz 4b
clrldi r5,r5,(64-7)
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
ld r17,STK_REG(R17)(r1)
@@ -139,6 +138,7 @@ _GLOBAL(memcpy_power7)
ld r20,STK_REG(R20)(r1)
ld r21,STK_REG(R21)(r1)
ld r22,STK_REG(R22)(r1)
+ ld r23,STK_REG(R23)(r1)
addi r1,r1,STACKFRAMESIZE
/* Up to 127B to go */
@@ -349,14 +349,14 @@ _GLOBAL(memcpy_power7)
7: sub r5,r5,r6
srdi r6,r5,7
- std r14,STK_REG(R14)(r1)
std r15,STK_REG(R15)(r1)
std r16,STK_REG(R16)(r1)
+ std r17,STK_REG(R17)(r1)
li r12,64
- li r14,80
- li r15,96
- li r16,112
+ li r15,80
+ li r16,96
+ li r17,112
mtctr r6
@@ -371,24 +371,24 @@ _GLOBAL(memcpy_power7)
lvx v5,r4,r10
lvx v4,r4,r11
lvx v3,r4,r12
- lvx v2,r4,r14
- lvx v1,r4,r15
- lvx v0,r4,r16
+ lvx v2,r4,r15
+ lvx v1,r4,r16
+ lvx v0,r4,r17
addi r4,r4,128
stvx v7,0,r3
stvx v6,r3,r9
stvx v5,r3,r10
stvx v4,r3,r11
stvx v3,r3,r12
- stvx v2,r3,r14
- stvx v1,r3,r15
- stvx v0,r3,r16
+ stvx v2,r3,r15
+ stvx v1,r3,r16
+ stvx v0,r3,r17
addi r3,r3,128
bdnz 8b
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
+ ld r17,STK_REG(R17)(r1)
/* Up to 127B to go */
clrldi r5,r5,(64-7)
@@ -535,14 +535,14 @@ _GLOBAL(memcpy_power7)
7: sub r5,r5,r6
srdi r6,r5,7
- std r14,STK_REG(R14)(r1)
std r15,STK_REG(R15)(r1)
std r16,STK_REG(R16)(r1)
+ std r17,STK_REG(R17)(r1)
li r12,64
- li r14,80
- li r15,96
- li r16,112
+ li r15,80
+ li r16,96
+ li r17,112
mtctr r6
@@ -562,11 +562,11 @@ _GLOBAL(memcpy_power7)
VPERM(v11,v5,v4,v16)
lvx v3,r4,r12
VPERM(v12,v4,v3,v16)
- lvx v2,r4,r14
+ lvx v2,r4,r15
VPERM(v13,v3,v2,v16)
- lvx v1,r4,r15
+ lvx v1,r4,r16
VPERM(v14,v2,v1,v16)
- lvx v0,r4,r16
+ lvx v0,r4,r17
VPERM(v15,v1,v0,v16)
addi r4,r4,128
stvx v8,0,r3
@@ -574,15 +574,15 @@ _GLOBAL(memcpy_power7)
stvx v10,r3,r10
stvx v11,r3,r11
stvx v12,r3,r12
- stvx v13,r3,r14
- stvx v14,r3,r15
- stvx v15,r3,r16
+ stvx v13,r3,r15
+ stvx v14,r3,r16
+ stvx v15,r3,r17
addi r3,r3,128
bdnz 8b
- ld r14,STK_REG(R14)(r1)
ld r15,STK_REG(R15)(r1)
ld r16,STK_REG(R16)(r1)
+ ld r17,STK_REG(R17)(r1)
/* Up to 127B to go */
clrldi r5,r5,(64-7)
--
2.15.0
