diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index c7628e973084289bf53dff4a3271ac663439260d..af46d22fa6608768e9da1ce2b7e546bbc172fc64 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -245,6 +245,7 @@ endif cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) cpu-as-$(CONFIG_E200) += -Wa,-me200 +cpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4 KBUILD_AFLAGS += $(cpu-as-y) KBUILD_CFLAGS += $(cpu-as-y) diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index ae94b3626b6cd8790f03d60d1f58cbcc5db1b4d2..13f7f4c0e1eae8f57abf5ef075c7e8b06f06b3ae 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -439,14 +439,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601) /* The following stops all load and store data streams associated with stream * ID (ie. streams created explicitly). The embedded and server mnemonics for - * dcbt are different so we use machine "power4" here explicitly. + * dcbt are different so this must only be used for server. */ -#define DCBT_STOP_ALL_STREAM_IDS(scratch) \ -.machine push ; \ -.machine "power4" ; \ - lis scratch,0x60000000@h; \ - dcbt 0,scratch,0b01010; \ -.machine pop +#define DCBT_BOOK3S_STOP_ALL_STREAM_IDS(scratch) \ + lis scratch,0x60000000@h; \ + dcbt 0,scratch,0b01010 /* * toreal/fromreal/tophys/tovirt macros. 32-bit BookE makes them diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 2cb5109a7ea3d3d4959fa0d9360248218b56d688..51695608c68b3cd59141a084d632f4291265b398 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -545,7 +545,7 @@ _GLOBAL(_switch) /* Cancel all explict user streams as they will have no use after context * switch and will stop the HW from creating streams itself */ - DCBT_STOP_ALL_STREAM_IDS(r6) + DCBT_BOOK3S_STOP_ALL_STREAM_IDS(r6) #endif addi r6,r4,-THREAD /* Convert THREAD to 'current' */ diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index bc5d927da37a8f36c1f24f5c89c3d12248c5d890..ae6a849db60b1ae8440abcc776b8a5b59e57a641 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -687,14 +687,11 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_RADIX) bne cr4,1f /* returning to kernel */ -.machine push -.machine "power4" mtcrf 0x80,r9 mtcrf 0x08,r9 /* MSR[PR] indication is in cr4 */ mtcrf 0x04,r9 /* MSR[RI] indication is in cr5 */ mtcrf 0x02,r9 /* I/D indication is in cr6 */ mtcrf 0x01,r9 /* slb_allocate uses cr0 and cr7 */ -.machine pop RESTORE_CTR(r9, PACA_EXSLB) RESTORE_PPR_PACA(PACA_EXSLB, r9) @@ -707,14 +704,11 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_RADIX) RFI_TO_USER b . /* prevent speculative execution */ 1: -.machine push -.machine "power4" mtcrf 0x80,r9 mtcrf 0x08,r9 /* MSR[PR] indication is in cr4 */ mtcrf 0x04,r9 /* MSR[RI] indication is in cr5 */ mtcrf 0x02,r9 /* I/D indication is in cr6 */ mtcrf 0x01,r9 /* slb_allocate uses cr0 and cr7 */ -.machine pop RESTORE_CTR(r9, PACA_EXSLB) RESTORE_PPR_PACA(PACA_EXSLB, r9) @@ -1524,7 +1518,7 @@ TRAMP_REAL_BEGIN(rfi_flush_fallback) ld r11,PACA_L1D_FLUSH_SIZE(r13) srdi r11,r11,(7 + 3) /* 128 byte lines, unrolled 8x */ mtctr r11 - DCBT_STOP_ALL_STREAM_IDS(r11) /* Stop prefetch streams */ + DCBT_BOOK3S_STOP_ALL_STREAM_IDS(r11) /* Stop prefetch streams */ /* order ld/st prior to dcbt stop all streams with flushing */ sync @@ -1564,7 +1558,7 @@ TRAMP_REAL_BEGIN(hrfi_flush_fallback) ld r11,PACA_L1D_FLUSH_SIZE(r13) srdi r11,r11,(7 + 3) /* 128 byte lines, unrolled 8x */ mtctr r11 - DCBT_STOP_ALL_STREAM_IDS(r11) /* Stop prefetch streams */ + DCBT_BOOK3S_STOP_ALL_STREAM_IDS(r11) /* Stop prefetch streams */ /* order ld/st prior to dcbt stop all streams with flushing */ sync diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 3c29c9009bbf2c0a830d32a4fdf353ecb8a34b60..653901042ad7d094c18495f3e71d6c2aacf84e0a 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -22,9 +22,11 @@ ifeq ($(call ld-ifversion, -lt, 225000000, y),y) extra-$(CONFIG_PPC64) += crtsavres.o endif +obj-$(CONFIG_PPC_BOOK3S_64) += copyuser_power7.o copypage_power7.o \ + memcpy_power7.o + obj64-y += copypage_64.o copyuser_64.o mem_64.o hweight_64.o \ - copyuser_power7.o string_64.o copypage_power7.o memcpy_power7.o \ - memcpy_64.o memcmp_64.o pmem.o + string_64.o memcpy_64.o memcmp_64.o pmem.o obj64-$(CONFIG_SMP) += locks.o obj64-$(CONFIG_ALTIVEC) += vmx-helper.o diff --git a/arch/powerpc/lib/copypage_64.S b/arch/powerpc/lib/copypage_64.S index 4bcc9e76fb55658d78bdb803b2806371e0ad3c7d..8d5034f645f3ff599942e44a8740708c70dcf40b 100644 --- a/arch/powerpc/lib/copypage_64.S +++ b/arch/powerpc/lib/copypage_64.S @@ -21,7 +21,9 @@ _GLOBAL_TOC(copy_page) BEGIN_FTR_SECTION lis r5,PAGE_SIZE@h FTR_SECTION_ELSE +#ifdef CONFIG_PPC_BOOK3S_64 b copypage_power7 +#endif ALT_FTR_SECTION_END_IFCLR(CPU_FTR_VMX_COPY) ori r5,r5,PAGE_SIZE@l BEGIN_FTR_SECTION diff --git a/arch/powerpc/lib/copypage_power7.S b/arch/powerpc/lib/copypage_power7.S index ca5fc8fa7efc9207372da8d36c517a349432fa4f..8fa73b7ab20ee8a3b028e6a7ea13bfa556903a48 100644 --- a/arch/powerpc/lib/copypage_power7.S +++ b/arch/powerpc/lib/copypage_power7.S @@ -42,8 +42,6 @@ _GLOBAL(copypage_power7) lis r8,0x8000 /* GO=1 */ clrldi r8,r8,32 -.machine push -.machine "power4" /* setup read stream 0 */ dcbt 0,r4,0b01000 /* addr from */ dcbt 0,r7,0b01010 /* length and depth from */ @@ -52,7 +50,6 @@ _GLOBAL(copypage_power7) dcbtst 0,r10,0b01010 /* length and depth to */ eieio dcbt 0,r8,0b01010 /* all streams GO */ -.machine pop #ifdef CONFIG_ALTIVEC mflr r0 diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index 08da06e1bd729c3374493cf570ce053fb5137e79..506677395681a9a25d304378b1602c75bb980cbc 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -20,11 +20,13 @@ .align 7 _GLOBAL_TOC(__copy_tofrom_user) +#ifdef CONFIG_PPC_BOOK3S_64 BEGIN_FTR_SECTION nop FTR_SECTION_ELSE b __copy_tofrom_user_power7 ALT_FTR_SECTION_END_IFCLR(CPU_FTR_VMX_COPY) +#endif _GLOBAL(__copy_tofrom_user_base) /* first check for a whole page copy on a page boundary */ cmpldi cr1,r5,16 diff --git a/arch/powerpc/lib/copyuser_power7.S b/arch/powerpc/lib/copyuser_power7.S index d416a4a6657858809a9e54d0fea77cb49d8976a3..215e4760c09fff491cdfa80e0258a428aaf91b81 100644 --- a/arch/powerpc/lib/copyuser_power7.S +++ b/arch/powerpc/lib/copyuser_power7.S @@ -312,8 +312,6 @@ err1; stb r0,0(r3) lis r8,0x8000 /* GO=1 */ clrldi r8,r8,32 -.machine push -.machine "power4" /* setup read stream 0 */ dcbt 0,r6,0b01000 /* addr from */ dcbt 0,r7,0b01010 /* length and depth from */ @@ -322,7 +320,6 @@ err1; stb r0,0(r3) dcbtst 0,r10,0b01010 /* length and depth to */ eieio dcbt 0,r8,0b01010 /* all streams GO */ -.machine pop beq cr1,.Lunwind_stack_nonvmx_copy diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S index f4d6088e2d5390b937f60e35819496dfeab17858..8d8265be1a5941745eedd80edc26c01826eccba9 100644 --- a/arch/powerpc/lib/memcpy_64.S +++ b/arch/powerpc/lib/memcpy_64.S @@ -19,9 +19,11 @@ BEGIN_FTR_SECTION std r3,-STACKFRAMESIZE+STK_REG(R31)(r1) /* save destination pointer for return value */ #endif FTR_SECTION_ELSE +#ifdef CONFIG_PPC_BOOK3S_64 #ifndef SELFTEST b memcpy_power7 #endif +#endif ALT_FTR_SECTION_END_IFCLR(CPU_FTR_VMX_COPY) #ifdef __LITTLE_ENDIAN__ /* dumb little-endian memcpy that will get replaced at runtime */ diff --git a/arch/powerpc/lib/memcpy_power7.S b/arch/powerpc/lib/memcpy_power7.S index 193909abd18b3edea2170601081753f70cc39577..df7de9d3da087fc987e712bf40de3c557027c94e 100644 --- a/arch/powerpc/lib/memcpy_power7.S +++ b/arch/powerpc/lib/memcpy_power7.S @@ -259,15 +259,12 @@ _GLOBAL(memcpy_power7) lis r8,0x8000 /* GO=1 */ clrldi r8,r8,32 -.machine push -.machine "power4" dcbt 0,r6,0b01000 dcbt 0,r7,0b01010 dcbtst 0,r9,0b01000 dcbtst 0,r10,0b01010 eieio dcbt 0,r8,0b01010 /* GO */ -.machine pop beq cr1,.Lunwind_stack_nonvmx_copy