From: Ralf Baechle Date: Fri, 7 Oct 2005 15:58:15 +0000 (+0100) Subject: Fixup a few lose ends in explicit support for MIPS R1/R2. X-Git-Tag: v2.6.15-rc1~731^2~1^2~36 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec917c2c1ab4359a1d438e62daeb50cc42e632e1;p=linux-2.6 Fixup a few lose ends in explicit support for MIPS R1/R2. Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 0213b34961..72f2126ad1 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -28,8 +28,8 @@ obj-$(CONFIG_CPU_RM9000) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_NEVADA) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_R10000) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_SB1) += r4k_fpu.o r4k_switch.o -obj-$(CONFIG_CPU_MIPS32_R1) += r4k_fpu.o r4k_switch.o -obj-$(CONFIG_CPU_MIPS64_R1) += r4k_fpu.o r4k_switch.o +obj-$(CONFIG_CPU_MIPS32) += r4k_fpu.o r4k_switch.o +obj-$(CONFIG_CPU_MIPS64) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_R6000) += r6000_fpu.o r4k_switch.o obj-$(CONFIG_SMP) += smp.o diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S index 27361f44de..d2afbd19a9 100644 --- a/arch/mips/kernel/r4k_switch.S +++ b/arch/mips/kernel/r4k_switch.S @@ -165,7 +165,7 @@ LEAF(_init_fpu) 1: #endif -#ifdef CONFIG_CPU_MIPS32_R1 +#ifdef CONFIG_CPU_MIPS32 mtc1 t1, $f0 mtc1 t1, $f1 mtc1 t1, $f2 diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index e38f24b2b3..eccae81916 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -885,7 +885,7 @@ asmlinkage void cache_parity_error(void) reg_val & (1<<22) ? "E0 " : ""); printk("IDX: 0x%08x\n", reg_val & ((1<<22)-1)); -#if defined(CONFIG_CPU_MIPS32_R1) || defined(CONFIG_CPU_MIPS64_R1) +#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) if (reg_val & (1<<22)) printk("DErrAddr0: 0x%0*lx\n", field, read_c0_derraddr0()); diff --git a/arch/mips/lib-32/Makefile b/arch/mips/lib-32/Makefile index 8119996736..ad285786e7 100644 --- a/arch/mips/lib-32/Makefile +++ b/arch/mips/lib-32/Makefile @@ -4,8 +4,8 @@ lib-y += csum_partial.o memset.o watch.o -obj-$(CONFIG_CPU_MIPS32_R1) += dump_tlb.o -obj-$(CONFIG_CPU_MIPS64_R1) += dump_tlb.o +obj-$(CONFIG_CPU_MIPS32) += dump_tlb.o +obj-$(CONFIG_CPU_MIPS64) += dump_tlb.o obj-$(CONFIG_CPU_NEVADA) += dump_tlb.o obj-$(CONFIG_CPU_R10000) += dump_tlb.o obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o diff --git a/arch/mips/lib-64/Makefile b/arch/mips/lib-64/Makefile index 8119996736..ad285786e7 100644 --- a/arch/mips/lib-64/Makefile +++ b/arch/mips/lib-64/Makefile @@ -4,8 +4,8 @@ lib-y += csum_partial.o memset.o watch.o -obj-$(CONFIG_CPU_MIPS32_R1) += dump_tlb.o -obj-$(CONFIG_CPU_MIPS64_R1) += dump_tlb.o +obj-$(CONFIG_CPU_MIPS32) += dump_tlb.o +obj-$(CONFIG_CPU_MIPS64) += dump_tlb.o obj-$(CONFIG_CPU_NEVADA) += dump_tlb.o obj-$(CONFIG_CPU_R10000) += dump_tlb.o obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index 0b738ad60f..b0178da019 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -9,8 +9,8 @@ obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o obj-$(CONFIG_64BIT) += pgtable-64.o obj-$(CONFIG_HIGHMEM) += highmem.o -obj-$(CONFIG_CPU_MIPS32_R1) += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o -obj-$(CONFIG_CPU_MIPS64_R1) += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o +obj-$(CONFIG_CPU_MIPS32) += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o +obj-$(CONFIG_CPU_MIPS64) += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o obj-$(CONFIG_CPU_NEVADA) += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o obj-$(CONFIG_CPU_R10000) += c-r4k.o cex-gen.o pg-r4k.o tlb-andes.o obj-$(CONFIG_CPU_R3000) += c-r3k.o tlb-r3k.o pg-r4k.o diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile index 17b411b220..354261d37d 100644 --- a/arch/mips/oprofile/Makefile +++ b/arch/mips/oprofile/Makefile @@ -10,6 +10,6 @@ DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ oprofile-y := $(DRIVER_OBJS) common.o -oprofile-$(CONFIG_CPU_MIPS32_R1) += op_model_mipsxx.o -oprofile-$(CONFIG_CPU_MIPS64_R1) += op_model_mipsxx.o +oprofile-$(CONFIG_CPU_MIPS32) += op_model_mipsxx.o +oprofile-$(CONFIG_CPU_MIPS64) += op_model_mipsxx.o oprofile-$(CONFIG_CPU_RM9000) += op_model_rm9000.o diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h index 7abdb926fa..16c1c08d0a 100644 --- a/include/asm-mips/addrspace.h +++ b/include/asm-mips/addrspace.h @@ -131,7 +131,7 @@ || defined (CONFIG_CPU_R5000) \ || defined (CONFIG_CPU_NEVADA) \ || defined (CONFIG_CPU_TX49XX) \ - || defined (CONFIG_CPU_MIPS64_R1) + || defined (CONFIG_CPU_MIPS64) #define KUSIZE _LLCONST_(0x0000010000000000) /* 2^^40 */ #define KUSIZE_64 _LLCONST_(0x0000010000000000) /* 2^^40 */ #define K0SIZE _LLCONST_(0x0000001000000000) /* 2^^36 */ diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h index 2ba20730a3..5496f9064a 100644 --- a/include/asm-mips/bitops.h +++ b/include/asm-mips/bitops.h @@ -12,6 +12,7 @@ #include #include #include +#include #include /* sigh ... */ #include @@ -546,33 +547,27 @@ static inline int test_bit(unsigned long nr, const volatile unsigned long *addr) return 1UL & (addr[nr >> SZLONG_LOG] >> (nr & SZLONG_MASK)); } -#ifdef CONFIG_CPU_MIPS32_R1 /* - * Return the bit position (0..31) of the most significant 1 bit in a word + * Return the bit position (0..63) of the most significant 1 bit in a word * Returns -1 if no 1 bit exists */ -static __inline__ int __ilog2(unsigned long x) +static inline int __ilog2(unsigned long x) { int lz; - __asm__ ( - " .set push \n" - " .set mips32 \n" - " clz %0, %1 \n" - " .set pop \n" - : "=r" (lz) - : "r" (x)); + if (sizeof(x) == 4) { + __asm__ ( + " .set push \n" + " .set mips32 \n" + " clz %0, %1 \n" + " .set pop \n" + : "=r" (lz) + : "r" (x)); - return 31 - lz; -} -#elif defined(CONFIG_CPU_MIPS64_R1) -/* - * Return the bit position (0..63) of the most significant 1 bit in a word - * Returns -1 if no 1 bit exists - */ -static __inline__ int __ilog2(unsigned long x) -{ - int lz; + return 31 - lz; + } + + BUG_ON(sizeof(x) != 8); __asm__ ( " .set push \n" @@ -584,7 +579,6 @@ static __inline__ int __ilog2(unsigned long x) return 63 - lz; } -#endif /* * __ffs - find first bit in word. @@ -595,7 +589,7 @@ static __inline__ int __ilog2(unsigned long x) */ static inline unsigned long __ffs(unsigned long word) { -#if defined(CONFIG_CPU_MIPS32_R1) || defined(CONFIG_CPU_MIPS64_R1) +#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) return __ilog2(word & -word); #else int b = 0, s; @@ -606,6 +600,8 @@ static inline unsigned long __ffs(unsigned long word) s = 4; if (word << 28 != 0) s = 0; b += s; word >>= s; s = 2; if (word << 30 != 0) s = 0; b += s; word >>= s; s = 1; if (word << 31 != 0) s = 0; b += s; + + return b; #endif #ifdef CONFIG_64BIT s = 32; if (word << 32 != 0) s = 0; b += s; word >>= s; @@ -614,9 +610,10 @@ static inline unsigned long __ffs(unsigned long word) s = 4; if (word << 60 != 0) s = 0; b += s; word >>= s; s = 2; if (word << 62 != 0) s = 0; b += s; word >>= s; s = 1; if (word << 63 != 0) s = 0; b += s; -#endif + return b; #endif +#endif } /* @@ -655,10 +652,10 @@ static inline unsigned long ffz(unsigned long word) */ static inline unsigned long flz(unsigned long word) { -#if defined(CONFIG_CPU_MIPS32_R1) || defined(CONFIG_CPU_MIPS64_R1) +#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) return __ilog2(~word); #else -#if defined(CONFIG_32BIT) +#ifdef CONFIG_32BIT int r = 31, s; word = ~word; s = 16; if ((word & 0xffff0000)) s = 0; r -= s; word <<= s; @@ -666,8 +663,10 @@ static inline unsigned long flz(unsigned long word) s = 4; if ((word & 0xf0000000)) s = 0; r -= s; word <<= s; s = 2; if ((word & 0xc0000000)) s = 0; r -= s; word <<= s; s = 1; if ((word & 0x80000000)) s = 0; r -= s; + + return r; #endif -#if defined(CONFIG_64BIT) +#ifdef CONFIG_64BIT int r = 63, s; word = ~word; s = 32; if ((word & 0xffffffff00000000UL)) s = 0; r -= s; word <<= s; @@ -676,9 +675,10 @@ static inline unsigned long flz(unsigned long word) s = 4; if ((word & 0xf000000000000000UL)) s = 0; r -= s; word <<= s; s = 2; if ((word & 0xc000000000000000UL)) s = 0; r -= s; word <<= s; s = 1; if ((word & 0x8000000000000000UL)) s = 0; r -= s; -#endif + return r; #endif +#endif } /* diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h index 5250231e93..7517189e46 100644 --- a/include/asm-mips/hazards.h +++ b/include/asm-mips/hazards.h @@ -232,7 +232,7 @@ __asm__( #endif -#if defined(CONFIG_CPU_MIPS32_R2) || defined (CONFIG_CPU_MIPS64_R2) +#ifdef CONFIG_CPU_MIPSR2 #define instruction_hazard() \ do { \ __label__ __next; \ diff --git a/include/asm-mips/interrupt.h b/include/asm-mips/interrupt.h index 0ba99f019b..a5735761f5 100644 --- a/include/asm-mips/interrupt.h +++ b/include/asm-mips/interrupt.h @@ -19,7 +19,7 @@ __asm__ ( " .set push \n" " .set reorder \n" " .set noat \n" -#if defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2) +#ifdef CONFIG_CPU_MIPSR2 " ei \n" #else " mfc0 $1,$12 \n" @@ -51,7 +51,7 @@ __asm__ ( " .macro local_irq_disable\n" " .set push \n" " .set noat \n" -#if defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2) +#ifdef CONFIG_CPU_MIPSR2 " di \n" #else " mfc0 $1,$12 \n" @@ -91,7 +91,7 @@ __asm__ ( " .set push \n" " .set reorder \n" " .set noat \n" -#if defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2) +#ifdef CONFIG_CPU_MIPSR2 " di \\result \n" #else " mfc0 \\result, $12 \n" @@ -115,8 +115,7 @@ __asm__ ( " .macro local_irq_restore flags \n" " .set noreorder \n" " .set noat \n" -#if (defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2)) && \ - defined(CONFIG_IRQ_CPU) +#if defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU) /* * Slow, but doesn't suffer from a relativly unlikely race * condition we're having since days 1. @@ -125,7 +124,7 @@ __asm__ ( " di \n" " ei \n" "1: \n" -#elif defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2) +#elif defined(CONFIG_CPU_MIPSR2) /* * Fast, dangerous. Life is fun, life is good. */ diff --git a/include/asm-mips/mach-mips/cpu-feature-overrides.h b/include/asm-mips/mach-mips/cpu-feature-overrides.h index 5c5edbf937..9f92aed177 100644 --- a/include/asm-mips/mach-mips/cpu-feature-overrides.h +++ b/include/asm-mips/mach-mips/cpu-feature-overrides.h @@ -14,7 +14,7 @@ /* * CPU feature overrides for MIPS boards */ -#ifdef CONFIG_CPU_MIPS32_R1 +#ifdef CONFIG_CPU_MIPS32 #define cpu_has_tlb 1 #define cpu_has_4kex 1 #define cpu_has_4kcache 1 @@ -40,7 +40,7 @@ #define cpu_icache_snoops_remote_store 1 #endif -#ifdef CONFIG_CPU_MIPS64_R1 +#ifdef CONFIG_CPU_MIPS64 #define cpu_has_tlb 1 #define cpu_has_4kex 1 #define cpu_has_4kcache 1 diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index 0076a537cf..ee25a779bf 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -76,7 +76,7 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, * These are used to make use of C type-checking.. */ #ifdef CONFIG_64BIT_PHYS_ADDR - #ifdef CONFIG_CPU_MIPS32_R1 + #ifdef CONFIG_CPU_MIPS32 typedef struct { unsigned long pte_low, pte_high; } pte_t; #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) #else