diff options
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/asm-eva.h | 6 | ||||
| -rw-r--r-- | arch/mips/include/asm/asm.h | 116 | ||||
| -rw-r--r-- | arch/mips/include/asm/io.h | 129 | ||||
| -rw-r--r-- | arch/mips/include/asm/kexec.h | 11 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/irq.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/kernel-entry-init.h | 16 | ||||
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 20 | ||||
| -rw-r--r-- | arch/mips/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/r4kcache.h | 73 | ||||
| -rw-r--r-- | arch/mips/include/asm/smp-ops.h | 3 | ||||
| -rw-r--r-- | arch/mips/include/asm/smp.h | 16 |
11 files changed, 128 insertions, 266 deletions
diff --git a/arch/mips/include/asm/asm-eva.h b/arch/mips/include/asm/asm-eva.h index 1e38f0e1ea3e..d80be38c4144 100644 --- a/arch/mips/include/asm/asm-eva.h +++ b/arch/mips/include/asm/asm-eva.h @@ -15,6 +15,7 @@ /* Kernel variants */ #define kernel_cache(op, base) "cache " op ", " base "\n" +#define kernel_pref(hint, base) "pref " hint ", " base "\n" #define kernel_ll(reg, addr) "ll " reg ", " addr "\n" #define kernel_sc(reg, addr) "sc " reg ", " addr "\n" #define kernel_lw(reg, addr) "lw " reg ", " addr "\n" @@ -51,6 +52,7 @@ " .set pop\n" #define user_cache(op, base) __BUILD_EVA_INSN("cachee", op, base) +#define user_pref(hint, base) __BUILD_EVA_INSN("prefe", hint, base) #define user_ll(reg, addr) __BUILD_EVA_INSN("lle", reg, addr) #define user_sc(reg, addr) __BUILD_EVA_INSN("sce", reg, addr) #define user_lw(reg, addr) __BUILD_EVA_INSN("lwe", reg, addr) @@ -72,6 +74,7 @@ #else #define user_cache(op, base) kernel_cache(op, base) +#define user_pref(hint, base) kernel_pref(hint, base) #define user_ll(reg, addr) kernel_ll(reg, addr) #define user_sc(reg, addr) kernel_sc(reg, addr) #define user_lw(reg, addr) kernel_lw(reg, addr) @@ -99,6 +102,7 @@ #else /* __ASSEMBLY__ */ #define kernel_cache(op, base) cache op, base +#define kernel_pref(hint, base) pref hint, base #define kernel_ll(reg, addr) ll reg, addr #define kernel_sc(reg, addr) sc reg, addr #define kernel_lw(reg, addr) lw reg, addr @@ -135,6 +139,7 @@ .set pop; #define user_cache(op, base) __BUILD_EVA_INSN(cachee, op, base) +#define user_pref(hint, base) __BUILD_EVA_INSN(prefe, hint, base) #define user_ll(reg, addr) __BUILD_EVA_INSN(lle, reg, addr) #define user_sc(reg, addr) __BUILD_EVA_INSN(sce, reg, addr) #define user_lw(reg, addr) __BUILD_EVA_INSN(lwe, reg, addr) @@ -155,6 +160,7 @@ #else #define user_cache(op, base) kernel_cache(op, base) +#define user_pref(hint, base) kernel_pref(hint, base) #define user_ll(reg, addr) kernel_ll(reg, addr) #define user_sc(reg, addr) kernel_sc(reg, addr) #define user_lw(reg, addr) kernel_lw(reg, addr) diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h index 81fae23ce7cd..c23527ba65d0 100644 --- a/arch/mips/include/asm/asm.h +++ b/arch/mips/include/asm/asm.h @@ -20,32 +20,6 @@ #include <asm/sgidefs.h> #include <asm/asm-eva.h> -#ifndef CAT -#ifdef __STDC__ -#define __CAT(str1, str2) str1##str2 -#else -#define __CAT(str1, str2) str1/**/str2 -#endif -#define CAT(str1, str2) __CAT(str1, str2) -#endif - -/* - * PIC specific declarations - * Not used for the kernel but here seems to be the right place. - */ -#ifdef __PIC__ -#define CPRESTORE(register) \ - .cprestore register -#define CPADD(register) \ - .cpadd register -#define CPLOAD(register) \ - .cpload register -#else -#define CPRESTORE(register) -#define CPADD(register) -#define CPLOAD(register) -#endif - /* * LEAF - declare leaf routine */ @@ -130,96 +104,6 @@ symbol = value .popsection; /* - * Build text tables - */ -#define TTABLE(string) \ - .pushsection .text; \ - .word 1f; \ - .popsection \ - .pushsection .data; \ -1: .asciiz string; \ - .popsection - -/* - * MIPS IV pref instruction. - * Use with .set noreorder only! - * - * MIPS IV implementations are free to treat this as a nop. The R5000 - * is one of them. So we should have an option not to use this instruction. - */ -#ifdef CONFIG_CPU_HAS_PREFETCH - -#define PREF(hint,addr) \ - .set push; \ - .set arch=r5000; \ - pref hint, addr; \ - .set pop - -#define PREFE(hint, addr) \ - .set push; \ - .set mips0; \ - .set eva; \ - prefe hint, addr; \ - .set pop - -#define PREFX(hint,addr) \ - .set push; \ - .set arch=r5000; \ - prefx hint, addr; \ - .set pop - -#else /* !CONFIG_CPU_HAS_PREFETCH */ - -#define PREF(hint, addr) -#define PREFE(hint, addr) -#define PREFX(hint, addr) - -#endif /* !CONFIG_CPU_HAS_PREFETCH */ - -/* - * MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs. - */ -#if (_MIPS_ISA == _MIPS_ISA_MIPS1) -#define MOVN(rd, rs, rt) \ - .set push; \ - .set reorder; \ - beqz rt, 9f; \ - move rd, rs; \ - .set pop; \ -9: -#define MOVZ(rd, rs, rt) \ - .set push; \ - .set reorder; \ - bnez rt, 9f; \ - move rd, rs; \ - .set pop; \ -9: -#endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */ -#if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) -#define MOVN(rd, rs, rt) \ - .set push; \ - .set noreorder; \ - bnezl rt, 9f; \ - move rd, rs; \ - .set pop; \ -9: -#define MOVZ(rd, rs, rt) \ - .set push; \ - .set noreorder; \ - beqzl rt, 9f; \ - move rd, rs; \ - .set pop; \ -9: -#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */ -#if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \ - (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64) -#define MOVN(rd, rs, rt) \ - movn rd, rs, rt -#define MOVZ(rd, rs, rt) \ - movz rd, rs, rt -#endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */ - -/* * Stack alignment */ #if (_MIPS_SIM == _MIPS_SIM_ABI32) diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 54c730aed327..266257d56fb6 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -20,6 +20,7 @@ #include <linux/irqflags.h> #include <asm/addrspace.h> +#include <asm/barrier.h> #include <asm/bug.h> #include <asm/byteorder.h> #include <asm/cpu.h> @@ -34,11 +35,6 @@ #include <mangle-port.h> /* - * Slowdown I/O port space accesses for antique hardware. - */ -#undef CONF_SLOWDOWN_IO - -/* * Raw operations are never swapped in software. OTOH values that raw * operations are working on may or may not have been swapped by the bus * hardware. An example use would be for flash memory that's used for @@ -50,6 +46,11 @@ # define __raw_ioswabq(a, x) (x) # define ____raw_ioswabq(a, x) (x) +# define __relaxed_ioswabb ioswabb +# define __relaxed_ioswabw ioswabw +# define __relaxed_ioswabl ioswabl +# define __relaxed_ioswabq ioswabq + /* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */ #define IO_SPACE_LIMIT 0xffff @@ -80,31 +81,29 @@ static inline void set_io_port_base(unsigned long base) } /* - * Thanks to James van Artsdalen for a better timing-fix than - * the two short jumps: using outb's to a nonexistent port seems - * to guarantee better timings even on fast machines. - * - * On the other hand, I'd like to be sure of a non-existent port: - * I feel a bit unsafe about using 0x80 (should be safe, though) - * - * Linus - * + * Provide the necessary definitions for generic iomap. We make use of + * mips_io_port_base for iomap(), but we don't reserve any low addresses for + * use with I/O ports. */ -#define __SLOW_DOWN_IO \ - __asm__ __volatile__( \ - "sb\t$0,0x80(%0)" \ - : : "r" (mips_io_port_base)); +#define HAVE_ARCH_PIO_SIZE +#define PIO_OFFSET mips_io_port_base +#define PIO_MASK IO_SPACE_LIMIT +#define PIO_RESERVED 0x0UL -#ifdef CONF_SLOWDOWN_IO -#ifdef REALLY_SLOW_IO -#define SLOW_DOWN_IO { __SLOW_DOWN_IO; __SLOW_DOWN_IO; __SLOW_DOWN_IO; __SLOW_DOWN_IO; } -#else -#define SLOW_DOWN_IO __SLOW_DOWN_IO -#endif -#else -#define SLOW_DOWN_IO -#endif +/* + * Enforce in-order execution of data I/O. In the MIPS architecture + * these are equivalent to corresponding platform-specific memory + * barriers defined in <asm/barrier.h>. API pinched from PowerPC, + * with sync additionally defined. + */ +#define iobarrier_rw() mb() +#define iobarrier_r() rmb() +#define iobarrier_w() wmb() +#define iobarrier_sync() iob() + +/* Some callers use this older API instead. */ +#define mmiowb() iobarrier_w() /* * virt_to_phys - map virtual addresses to physical @@ -172,11 +171,6 @@ static inline void *isa_bus_to_virt(unsigned long address) extern void __iomem * __ioremap(phys_addr_t offset, phys_addr_t size, unsigned long flags); extern void __iounmap(const volatile void __iomem *addr); -#ifndef CONFIG_PCI -struct pci_dev; -static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) {} -#endif - static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long size, unsigned long flags) { @@ -316,13 +310,13 @@ static inline void iounmap(const volatile void __iomem *addr) #undef __IS_KSEG1 } -#if defined(CONFIG_CPU_CAVIUM_OCTEON) || defined(CONFIG_LOONGSON3_ENHANCEMENT) +#if defined(CONFIG_CPU_CAVIUM_OCTEON) || defined(CONFIG_CPU_LOONGSON3) #define war_io_reorder_wmb() wmb() #else #define war_io_reorder_wmb() barrier() #endif -#define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, irq) \ +#define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, barrier, relax, irq) \ \ static inline void pfx##write##bwlq(type val, \ volatile void __iomem *mem) \ @@ -330,7 +324,10 @@ static inline void pfx##write##bwlq(type val, \ volatile type *__mem; \ type __val; \ \ - war_io_reorder_wmb(); \ + if (barrier) \ + iobarrier_rw(); \ + else \ + war_io_reorder_wmb(); \ \ __mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem)); \ \ @@ -367,6 +364,9 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem) \ \ __mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem)); \ \ + if (barrier) \ + iobarrier_rw(); \ + \ if (sizeof(type) != sizeof(u64) || sizeof(u64) == sizeof(long)) \ __val = *__mem; \ else if (cpu_has_64bits) { \ @@ -390,18 +390,22 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem) \ } \ \ /* prevent prefetching of coherent DMA data prematurely */ \ - rmb(); \ + if (!relax) \ + rmb(); \ return pfx##ioswab##bwlq(__mem, __val); \ } -#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, p, slow) \ +#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, barrier, relax, p) \ \ static inline void pfx##out##bwlq##p(type val, unsigned long port) \ { \ volatile type *__addr; \ type __val; \ \ - war_io_reorder_wmb(); \ + if (barrier) \ + iobarrier_rw(); \ + else \ + war_io_reorder_wmb(); \ \ __addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \ \ @@ -411,7 +415,6 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port) \ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ \ *__addr = __val; \ - slow; \ } \ \ static inline type pfx##in##bwlq##p(unsigned long port) \ @@ -423,23 +426,27 @@ static inline type pfx##in##bwlq##p(unsigned long port) \ \ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ \ + if (barrier) \ + iobarrier_rw(); \ + \ __val = *__addr; \ - slow; \ \ /* prevent prefetching of coherent DMA data prematurely */ \ - rmb(); \ + if (!relax) \ + rmb(); \ return pfx##ioswab##bwlq(__addr, __val); \ } -#define __BUILD_MEMORY_PFX(bus, bwlq, type) \ +#define __BUILD_MEMORY_PFX(bus, bwlq, type, relax) \ \ -__BUILD_MEMORY_SINGLE(bus, bwlq, type, 1) +__BUILD_MEMORY_SINGLE(bus, bwlq, type, 1, relax, 1) #define BUILDIO_MEM(bwlq, type) \ \ -__BUILD_MEMORY_PFX(__raw_, bwlq, type) \ -__BUILD_MEMORY_PFX(, bwlq, type) \ -__BUILD_MEMORY_PFX(__mem_, bwlq, type) \ +__BUILD_MEMORY_PFX(__raw_, bwlq, type, 0) \ +__BUILD_MEMORY_PFX(__relaxed_, bwlq, type, 1) \ +__BUILD_MEMORY_PFX(__mem_, bwlq, type, 0) \ +__BUILD_MEMORY_PFX(, bwlq, type, 0) BUILDIO_MEM(b, u8) BUILDIO_MEM(w, u16) @@ -447,8 +454,8 @@ BUILDIO_MEM(l, u32) BUILDIO_MEM(q, u64) #define __BUILD_IOPORT_PFX(bus, bwlq, type) \ - __BUILD_IOPORT_SINGLE(bus, bwlq, type, ,) \ - __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO) + __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0,) \ + __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0, _p) #define BUILDIO_IOPORT(bwlq, type) \ __BUILD_IOPORT_PFX(, bwlq, type) \ @@ -463,19 +470,19 @@ BUILDIO_IOPORT(q, u64) #define __BUILDIO(bwlq, type) \ \ -__BUILD_MEMORY_SINGLE(____raw_, bwlq, type, 0) +__BUILD_MEMORY_SINGLE(____raw_, bwlq, type, 1, 0, 0) __BUILDIO(q, u64) -#define readb_relaxed readb -#define readw_relaxed readw -#define readl_relaxed readl -#define readq_relaxed readq +#define readb_relaxed __relaxed_readb +#define readw_relaxed __relaxed_readw +#define readl_relaxed __relaxed_readl +#define readq_relaxed __relaxed_readq -#define writeb_relaxed writeb -#define writew_relaxed writew -#define writel_relaxed writel -#define writeq_relaxed writeq +#define writeb_relaxed __relaxed_writeb +#define writew_relaxed __relaxed_writew +#define writel_relaxed __relaxed_writel +#define writeq_relaxed __relaxed_writeq #define readb_be(addr) \ __raw_readb((__force unsigned *)(addr)) @@ -561,14 +568,6 @@ BUILDSTRING(l, u32) BUILDSTRING(q, u64) #endif - -#ifdef CONFIG_CPU_CAVIUM_OCTEON -#define mmiowb() wmb() -#else -/* Depends on MIPS II instruction set */ -#define mmiowb() asm volatile ("sync" ::: "memory") -#endif - static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) { memset((void __force *) addr, val, count); diff --git a/arch/mips/include/asm/kexec.h b/arch/mips/include/asm/kexec.h index 493a3cc7c39a..40795ca89961 100644 --- a/arch/mips/include/asm/kexec.h +++ b/arch/mips/include/asm/kexec.h @@ -12,11 +12,11 @@ #include <asm/stacktrace.h> /* Maximum physical address we can use pages from */ -#define KEXEC_SOURCE_MEMORY_LIMIT (0x20000000) +#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) /* Maximum address we can reach in physical address mode */ -#define KEXEC_DESTINATION_MEMORY_LIMIT (0x20000000) +#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) /* Maximum address we can use for the control code buffer */ -#define KEXEC_CONTROL_MEMORY_LIMIT (0x20000000) +#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL) /* Reserve 3*4096 bytes for board-specific info */ #define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096) @@ -39,11 +39,12 @@ extern unsigned long kexec_args[4]; extern int (*_machine_kexec_prepare)(struct kimage *); extern void (*_machine_kexec_shutdown)(void); extern void (*_machine_crash_shutdown)(struct pt_regs *regs); -extern void default_machine_crash_shutdown(struct pt_regs *regs); +void default_machine_crash_shutdown(struct pt_regs *regs); +void kexec_nonboot_cpu_jump(void); +void kexec_reboot(void); #ifdef CONFIG_SMP extern const unsigned char kexec_smp_wait[]; extern unsigned long secondary_kexec_args[4]; -extern void (*relocated_kexec_smp_wait) (void *); extern atomic_t kexec_ready_to_reboot; extern void (*_crash_smp_send_stop)(void); #endif diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h index 3644b68c0ccc..be9f727a9328 100644 --- a/arch/mips/include/asm/mach-loongson64/irq.h +++ b/arch/mips/include/asm/mach-loongson64/irq.h @@ -10,7 +10,7 @@ #define MIPS_CPU_IRQ_BASE 56 #define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 2) /* UART */ -#define LOONGSON_HT1_IRQ (MIPS_CPU_IRQ_BASE + 3) /* HT1 */ +#define LOONGSON_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 3) /* CASCADE */ #define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */ #define LOONGSON_HT1_CFG_BASE loongson_sysconf.ht_control_base diff --git a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h index 312739117bb0..cbac603ced19 100644 --- a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h @@ -11,6 +11,8 @@ #ifndef __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H #define __ASM_MACH_LOONGSON64_KERNEL_ENTRY_H +#include <asm/cpu.h> + /* * Override macros used in arch/mips/kernel/head.S. */ @@ -26,12 +28,15 @@ mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) mtc0 t0, CP0_PAGEGRAIN -#ifdef CONFIG_LOONGSON3_ENHANCEMENT /* Enable STFill Buffer */ + mfc0 t0, CP0_PRID + andi t0, (PRID_IMP_MASK | PRID_REV_MASK) + slti t0, (PRID_IMP_LOONGSON_64 | PRID_REV_LOONGSON3A_R2) + bnez t0, 1f mfc0 t0, CP0_CONFIG6 or t0, 0x100 mtc0 t0, CP0_CONFIG6 -#endif +1: _ehb .set pop #endif @@ -52,12 +57,15 @@ mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) mtc0 t0, CP0_PAGEGRAIN -#ifdef CONFIG_LOONGSON3_ENHANCEMENT /* Enable STFill Buffer */ + mfc0 t0, CP0_PRID + andi t0, (PRID_IMP_MASK | PRID_REV_MASK) + slti t0, (PRID_IMP_LOONGSON_64 | PRID_REV_LOONGSON3A_R2) + bnez t0, 1f mfc0 t0, CP0_CONFIG6 or t0, 0x100 mtc0 t0, CP0_CONFIG6 -#endif +1: _ehb .set pop #endif diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 01df9ad62fb8..341a02c92985 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -2287,13 +2287,14 @@ do { \ _write_32bit_cp1_register(dest, val, ) #endif -#ifdef HAVE_AS_DSP +#ifdef TOOLCHAIN_SUPPORTS_DSP #define rddsp(mask) \ ({ \ unsigned int __dspctl; \ \ __asm__ __volatile__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " rddsp %0, %x1 \n" \ " .set pop \n" \ @@ -2306,6 +2307,7 @@ do { \ do { \ __asm__ __volatile__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " wrdsp %0, %x1 \n" \ " .set pop \n" \ @@ -2318,6 +2320,7 @@ do { \ long mflo0; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mflo %0, $ac0 \n" \ " .set pop \n" \ @@ -2330,6 +2333,7 @@ do { \ long mflo1; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mflo %0, $ac1 \n" \ " .set pop \n" \ @@ -2342,6 +2346,7 @@ do { \ long mflo2; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mflo %0, $ac2 \n" \ " .set pop \n" \ @@ -2354,6 +2359,7 @@ do { \ long mflo3; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mflo %0, $ac3 \n" \ " .set pop \n" \ @@ -2366,6 +2372,7 @@ do { \ long mfhi0; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mfhi %0, $ac0 \n" \ " .set pop \n" \ @@ -2378,6 +2385,7 @@ do { \ long mfhi1; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mfhi %0, $ac1 \n" \ " .set pop \n" \ @@ -2390,6 +2398,7 @@ do { \ long mfhi2; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mfhi %0, $ac2 \n" \ " .set pop \n" \ @@ -2402,6 +2411,7 @@ do { \ long mfhi3; \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mfhi %0, $ac3 \n" \ " .set pop \n" \ @@ -2414,6 +2424,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mtlo %0, $ac0 \n" \ " .set pop \n" \ @@ -2425,6 +2436,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mtlo %0, $ac1 \n" \ " .set pop \n" \ @@ -2436,6 +2448,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mtlo %0, $ac2 \n" \ " .set pop \n" \ @@ -2447,6 +2460,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mtlo %0, $ac3 \n" \ " .set pop \n" \ @@ -2458,6 +2472,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mthi %0, $ac0 \n" \ " .set pop \n" \ @@ -2469,6 +2484,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mthi %0, $ac1 \n" \ " .set pop \n" \ @@ -2480,6 +2496,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mthi %0, $ac2 \n" \ " .set pop \n" \ @@ -2491,6 +2508,7 @@ do { \ ({ \ __asm__( \ " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ " .set dsp \n" \ " mthi %0, $ac3 \n" \ " .set pop \n" \ diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 49d6046ca1d0..c373eb605040 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -81,7 +81,7 @@ extern unsigned int vced_count, vcei_count; #endif -#define VDSO_RANDOMIZE_SIZE (TASK_IS_32BIT_ADDR ? SZ_1M : SZ_256M) +#define VDSO_RANDOMIZE_SIZE (TASK_IS_32BIT_ADDR ? SZ_1M : SZ_64M) extern unsigned long mips_stack_top(void); #define STACK_TOP mips_stack_top() diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h index 7f12d7e27c94..d19b2d65336b 100644 --- a/arch/mips/include/asm/r4kcache.h +++ b/arch/mips/include/asm/r4kcache.h @@ -48,58 +48,14 @@ extern void (*r4k_blast_icache)(void); : \ : "i" (op), "R" (*(unsigned char *)(addr))) -#ifdef CONFIG_MIPS_MT - -#define __iflush_prologue \ - unsigned long redundance; \ - extern int mt_n_iflushes; \ - for (redundance = 0; redundance < mt_n_iflushes; redundance++) { - -#define __iflush_epilogue \ - } - -#define __dflush_prologue \ - unsigned long redundance; \ - extern int mt_n_dflushes; \ - for (redundance = 0; redundance < mt_n_dflushes; redundance++) { - -#define __dflush_epilogue \ - } - -#define __inv_dflush_prologue __dflush_prologue -#define __inv_dflush_epilogue __dflush_epilogue -#define __sflush_prologue { -#define __sflush_epilogue } -#define __inv_sflush_prologue __sflush_prologue -#define __inv_sflush_epilogue __sflush_epilogue - -#else /* CONFIG_MIPS_MT */ - -#define __iflush_prologue { -#define __iflush_epilogue } -#define __dflush_prologue { -#define __dflush_epilogue } -#define __inv_dflush_prologue { -#define __inv_dflush_epilogue } -#define __sflush_prologue { -#define __sflush_epilogue } -#define __inv_sflush_prologue { -#define __inv_sflush_epilogue } - -#endif /* CONFIG_MIPS_MT */ - static inline void flush_icache_line_indexed(unsigned long addr) { - __iflush_prologue cache_op(Index_Invalidate_I, addr); - __iflush_epilogue } static inline void flush_dcache_line_indexed(unsigned long addr) { - __dflush_prologue cache_op(Index_Writeback_Inv_D, addr); - __dflush_epilogue } static inline void flush_scache_line_indexed(unsigned long addr) @@ -109,7 +65,6 @@ static inline void flush_scache_line_indexed(unsigned long addr) static inline void flush_icache_line(unsigned long addr) { - __iflush_prologue switch (boot_cpu_type()) { case CPU_LOONGSON2: cache_op(Hit_Invalidate_I_Loongson2, addr); @@ -119,21 +74,16 @@ static inline void flush_icache_line(unsigned long addr) cache_op(Hit_Invalidate_I, addr); break; } - __iflush_epilogue } static inline void flush_dcache_line(unsigned long addr) { - __dflush_prologue cache_op(Hit_Writeback_Inv_D, addr); - __dflush_epilogue } static inline void invalidate_dcache_line(unsigned long addr) { - __dflush_prologue cache_op(Hit_Invalidate_D, addr); - __dflush_epilogue } static inline void invalidate_scache_line(unsigned long addr) @@ -586,13 +536,9 @@ static inline void extra##blast_##pfx##cache##lsize(void) \ current_cpu_data.desc.waybit; \ unsigned long ws, addr; \ \ - __##pfx##flush_prologue \ - \ for (ws = 0; ws < ws_end; ws += ws_inc) \ for (addr = start; addr < end; addr += lsize * 32) \ cache##lsize##_unroll32(addr|ws, indexop); \ - \ - __##pfx##flush_epilogue \ } \ \ static inline void extra##blast_##pfx##cache##lsize##_page(unsigned long page) \ @@ -600,14 +546,10 @@ static inline void extra##blast_##pfx##cache##lsize##_page(unsigned long page) \ unsigned long start = page; \ unsigned long end = page + PAGE_SIZE; \ \ - __##pfx##flush_prologue \ - \ do { \ cache##lsize##_unroll32(start, hitop); \ start += lsize * 32; \ } while (start < end); \ - \ - __##pfx##flush_epilogue \ } \ \ static inline void extra##blast_##pfx##cache##lsize##_page_indexed(unsigned long page) \ @@ -620,13 +562,9 @@ static inline void extra##blast_##pfx##cache##lsize##_page_indexed(unsigned long current_cpu_data.desc.waybit; \ unsigned long ws, addr; \ \ - __##pfx##flush_prologue \ - \ for (ws = 0; ws < ws_end; ws += ws_inc) \ for (addr = start; addr < end; addr += lsize * 32) \ cache##lsize##_unroll32(addr|ws, indexop); \ - \ - __##pfx##flush_epilogue \ } __BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) @@ -656,14 +594,10 @@ static inline void blast_##pfx##cache##lsize##_user_page(unsigned long page) \ unsigned long start = page; \ unsigned long end = page + PAGE_SIZE; \ \ - __##pfx##flush_prologue \ - \ do { \ cache##lsize##_unroll32_user(start, hitop); \ start += lsize * 32; \ } while (start < end); \ - \ - __##pfx##flush_epilogue \ } __BUILD_BLAST_USER_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, @@ -685,16 +619,12 @@ static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start, unsigned long addr = start & ~(lsize - 1); \ unsigned long aend = (end - 1) & ~(lsize - 1); \ \ - __##pfx##flush_prologue \ - \ while (1) { \ prot##cache_op(hitop, addr); \ if (addr == aend) \ break; \ addr += lsize; \ } \ - \ - __##pfx##flush_epilogue \ } #ifndef CONFIG_EVA @@ -712,8 +642,6 @@ static inline void protected_blast_##pfx##cache##_range(unsigned long start,\ unsigned long addr = start & ~(lsize - 1); \ unsigned long aend = (end - 1) & ~(lsize - 1); \ \ - __##pfx##flush_prologue \ - \ if (!uaccess_kernel()) { \ while (1) { \ protected_cachee_op(hitop, addr); \ @@ -730,7 +658,6 @@ static inline void protected_blast_##pfx##cache##_range(unsigned long start,\ } \ \ } \ - __##pfx##flush_epilogue \ } __BUILD_PROT_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D) diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h index 53b2cb8e5966..b7123f9c0785 100644 --- a/arch/mips/include/asm/smp-ops.h +++ b/arch/mips/include/asm/smp-ops.h @@ -33,6 +33,9 @@ struct plat_smp_ops { int (*cpu_disable)(void); void (*cpu_die)(unsigned int cpu); #endif +#ifdef CONFIG_KEXEC + void (*kexec_nonboot_cpu)(void); +#endif }; extern void register_smp_ops(const struct plat_smp_ops *ops); diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 056a6bf13491..7990c1c70471 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -91,6 +91,22 @@ static inline void __cpu_die(unsigned int cpu) extern void play_dead(void); #endif +#ifdef CONFIG_KEXEC +static inline void kexec_nonboot_cpu(void) +{ + extern const struct plat_smp_ops *mp_ops; /* private */ + + return mp_ops->kexec_nonboot_cpu(); +} + +static inline void *kexec_nonboot_cpu_func(void) +{ + extern const struct plat_smp_ops *mp_ops; /* private */ + + return mp_ops->kexec_nonboot_cpu; +} +#endif + /* * This function will set up the necessary IPIs for Linux to communicate * with the CPUs in mask. |