diff options
Diffstat (limited to 'arch/microblaze/include')
-rw-r--r-- | arch/microblaze/include/asm/cacheflush.h | 13 | ||||
-rw-r--r-- | arch/microblaze/include/asm/cpuinfo.h | 4 | ||||
-rw-r--r-- | arch/microblaze/include/asm/entry.h | 36 | ||||
-rw-r--r-- | arch/microblaze/include/asm/exceptions.h | 3 | ||||
-rw-r--r-- | arch/microblaze/include/asm/futex.h | 31 | ||||
-rw-r--r-- | arch/microblaze/include/asm/irq.h | 2 | ||||
-rw-r--r-- | arch/microblaze/include/asm/pci-bridge.h | 12 | ||||
-rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 2 | ||||
-rw-r--r-- | arch/microblaze/include/asm/processor.h | 2 | ||||
-rw-r--r-- | arch/microblaze/include/asm/prom.h | 15 | ||||
-rw-r--r-- | arch/microblaze/include/asm/ptrace.h | 14 | ||||
-rw-r--r-- | arch/microblaze/include/asm/syscall.h | 3 | ||||
-rw-r--r-- | arch/microblaze/include/asm/syscalls.h | 8 | ||||
-rw-r--r-- | arch/microblaze/include/asm/uaccess.h | 8 | ||||
-rw-r--r-- | arch/microblaze/include/asm/unaligned.h | 11 |
15 files changed, 73 insertions, 91 deletions
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index 7ebd955460d..0f553bc009a 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -84,12 +84,13 @@ do { \ #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) - #define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) #define flush_cache_vunmap(start, end) do { } while (0) #define flush_cache_mm(mm) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) + +#define flush_cache_page(vma, vmaddr, pfn) \ + flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE); /* MS: kgdb code use this macro, wrong len with FLASH */ #if 0 @@ -104,9 +105,13 @@ do { \ #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ u32 addr = virt_to_phys(dst); \ - invalidate_icache_range((unsigned) (addr), (unsigned) (addr) + (len));\ memcpy((dst), (src), (len)); \ - flush_dcache_range((unsigned) (addr), (unsigned) (addr) + (len));\ + if (vma->vm_flags & VM_EXEC) { \ + invalidate_icache_range((unsigned) (addr), \ + (unsigned) (addr) + PAGE_SIZE); \ + flush_dcache_range((unsigned) (addr), \ + (unsigned) (addr) + PAGE_SIZE); \ + } \ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ diff --git a/arch/microblaze/include/asm/cpuinfo.h b/arch/microblaze/include/asm/cpuinfo.h index cd257537ae5..d8f013347a9 100644 --- a/arch/microblaze/include/asm/cpuinfo.h +++ b/arch/microblaze/include/asm/cpuinfo.h @@ -96,8 +96,8 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu); static inline unsigned int fcpu(struct device_node *cpu, char *n) { - int *val; - return (val = (int *) of_get_property(cpu, n, NULL)) ? + const __be32 *val; + return (val = of_get_property(cpu, n, NULL)) ? be32_to_cpup(val) : 0; } diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h index ec89f2ad0fe..af0144b91b7 100644 --- a/arch/microblaze/include/asm/entry.h +++ b/arch/microblaze/include/asm/entry.h @@ -31,40 +31,4 @@ DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */ DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */ # endif /* __ASSEMBLY__ */ -#ifndef CONFIG_MMU - -/* noMMU hasn't any space for args */ -# define STATE_SAVE_ARG_SPACE (0) - -#else /* CONFIG_MMU */ - -/* If true, system calls save and restore all registers (except result - * registers, of course). If false, then `call clobbered' registers - * will not be preserved, on the theory that system calls are basically - * function calls anyway, and the caller should be able to deal with it. - * This is a security risk, of course, as `internal' values may leak out - * after a system call, but that certainly doesn't matter very much for - * a processor with no MMU protection! For a protected-mode kernel, it - * would be faster to just zero those registers before returning. - * - * I can not rely on the glibc implementation. If you turn it off make - * sure that r11/r12 is saved in user-space. --KAA - * - * These are special variables using by the kernel trap/interrupt code - * to save registers in, at a time when there are no spare registers we - * can use to do so, and we can't depend on the value of the stack - * pointer. This means that they must be within a signed 16-bit - * displacement of 0x00000000. - */ - -/* A `state save frame' is a struct pt_regs preceded by some extra space - * suitable for a function call stack frame. */ - -/* Amount of room on the stack reserved for arguments and to satisfy the - * C calling conventions, in addition to the space used by the struct - * pt_regs that actually holds saved values. */ -#define STATE_SAVE_ARG_SPACE (6*4) /* Up to six arguments */ - -#endif /* CONFIG_MMU */ - #endif /* _ASM_MICROBLAZE_ENTRY_H */ diff --git a/arch/microblaze/include/asm/exceptions.h b/arch/microblaze/include/asm/exceptions.h index 6479097b802..e6a8ddea1dc 100644 --- a/arch/microblaze/include/asm/exceptions.h +++ b/arch/microblaze/include/asm/exceptions.h @@ -66,6 +66,9 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type, int fsr, int addr); +asmlinkage void sw_exception(struct pt_regs *regs); +void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig); + void die(const char *str, struct pt_regs *fp, long err); void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr); diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h index ad3fd61b2fe..b0526d2716f 100644 --- a/arch/microblaze/include/asm/futex.h +++ b/arch/microblaze/include/asm/futex.h @@ -29,7 +29,7 @@ }) static inline int -futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -39,7 +39,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); @@ -94,31 +94,34 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { - int prev, cmp; + int ret = 0, cmp; + u32 prev; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; - __asm__ __volatile__ ("1: lwx %0, %2, r0; \ - cmp %1, %0, %3; \ - beqi %1, 3f; \ - 2: swx %4, %2, r0; \ - addic %1, r0, 0; \ - bnei %1, 1b; \ + __asm__ __volatile__ ("1: lwx %1, %3, r0; \ + cmp %2, %1, %4; \ + beqi %2, 3f; \ + 2: swx %5, %3, r0; \ + addic %2, r0, 0; \ + bnei %2, 1b; \ 3: \ .section .fixup,\"ax\"; \ 4: brid 3b; \ - addik %0, r0, %5; \ + addik %0, r0, %6; \ .previous; \ .section __ex_table,\"a\"; \ .word 1b,4b,2b,4b; \ .previous;" \ - : "=&r" (prev), "=&r"(cmp) \ + : "+r" (ret), "=&r" (prev), "=&r"(cmp) \ : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT)); - return prev; + *uval = prev; + return ret; } #endif /* __KERNEL__ */ diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index ec5583d6111..cc54187f3d3 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -12,8 +12,6 @@ #define NR_IRQS 32 #include <asm-generic/irq.h> -#include <linux/interrupt.h> - /* This type is the placeholder for a hardware interrupt number. It has to * be big enough to enclose whatever representation is used by a given * platform. diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h index 0c68764ab54..10717669e0c 100644 --- a/arch/microblaze/include/asm/pci-bridge.h +++ b/arch/microblaze/include/asm/pci-bridge.h @@ -104,11 +104,22 @@ struct pci_controller { int global_number; /* PCI domain number */ }; +#ifdef CONFIG_PCI static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) { return bus->sysdata; } +static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) +{ + struct pci_controller *host; + + if (bus->self) + return pci_device_to_OF_node(bus->self); + host = pci_bus_to_host(bus); + return host ? host->dn : NULL; +} + static inline int isa_vaddr_is_ioport(void __iomem *address) { /* No specific ISA handling on ppc32 at this stage, it @@ -116,6 +127,7 @@ static inline int isa_vaddr_is_ioport(void __iomem *address) */ return 0; } +#endif /* CONFIG_PCI */ /* These are used for config access before all the PCI probing has been done. */ diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 885574a73f0..b2af42311a1 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -572,7 +572,7 @@ void __init *early_get_page(void); extern unsigned long ioremap_bot, ioremap_base; -void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle); +void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle); void consistent_free(size_t size, void *vaddr); void consistent_sync(void *vaddr, size_t size, int direction); void consistent_sync_page(struct page *page, unsigned long offset, diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h index 8eeb09211ec..aed2a6be8e2 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -155,7 +155,7 @@ unsigned long get_wchan(struct task_struct *p); # define task_regs(task) ((struct pt_regs *)task_tos(task) - 1) # define task_pt_regs_plus_args(tsk) \ - (((void *)task_pt_regs(tsk)) - STATE_SAVE_ARG_SPACE) + ((void *)task_pt_regs(tsk)) # define task_sp(task) (task_regs(task)->r1) # define task_pc(task) (task_regs(task)->pc) diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index 2e72af078b0..d0890d36ef6 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -64,21 +64,6 @@ extern void kdump_move_device_tree(void); /* CPU OF node matching */ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); -/** - * of_irq_map_pci - Resolve the interrupt for a PCI device - * @pdev: the device whose interrupt is to be resolved - * @out_irq: structure of_irq filled by this function - * - * This function resolves the PCI interrupt for a given PCI device. If a - * device-node exists for a given pci_dev, it will use normal OF tree - * walking. If not, it will implement standard swizzling and walk up the - * PCI tree until an device-node is found, at which point it will finish - * resolving using the OF tree walking. - */ -struct pci_dev; -struct of_irq; -extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/microblaze/include/asm/ptrace.h b/arch/microblaze/include/asm/ptrace.h index d74dbfb92c0..d9b66304d5d 100644 --- a/arch/microblaze/include/asm/ptrace.h +++ b/arch/microblaze/include/asm/ptrace.h @@ -66,13 +66,13 @@ void show_regs(struct pt_regs *); #else /* __KERNEL__ */ /* pt_regs offsets used by gdbserver etc in ptrace syscalls */ -#define PT_GPR(n) ((n) * sizeof(microblaze_reg_t)) -#define PT_PC (32 * sizeof(microblaze_reg_t)) -#define PT_MSR (33 * sizeof(microblaze_reg_t)) -#define PT_EAR (34 * sizeof(microblaze_reg_t)) -#define PT_ESR (35 * sizeof(microblaze_reg_t)) -#define PT_FSR (36 * sizeof(microblaze_reg_t)) -#define PT_KERNEL_MODE (37 * sizeof(microblaze_reg_t)) +#define PT_GPR(n) ((n) * sizeof(microblaze_reg_t)) +#define PT_PC (32 * sizeof(microblaze_reg_t)) +#define PT_MSR (33 * sizeof(microblaze_reg_t)) +#define PT_EAR (34 * sizeof(microblaze_reg_t)) +#define PT_ESR (35 * sizeof(microblaze_reg_t)) +#define PT_FSR (36 * sizeof(microblaze_reg_t)) +#define PT_KERNEL_MODE (37 * sizeof(microblaze_reg_t)) #endif /* __KERNEL */ diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h index 048dfcd8d89..9bc43178310 100644 --- a/arch/microblaze/include/asm/syscall.h +++ b/arch/microblaze/include/asm/syscall.h @@ -96,4 +96,7 @@ static inline void syscall_set_arguments(struct task_struct *task, microblaze_set_syscall_arg(regs, i++, *args++); } +asmlinkage long do_syscall_trace_enter(struct pt_regs *regs); +asmlinkage void do_syscall_trace_leave(struct pt_regs *regs); + #endif /* __ASM_MICROBLAZE_SYSCALL_H */ diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h index 720761cc741..27f2f4c0f39 100644 --- a/arch/microblaze/include/asm/syscalls.h +++ b/arch/microblaze/include/asm/syscalls.h @@ -1,5 +1,13 @@ #ifndef __ASM_MICROBLAZE_SYSCALLS_H +asmlinkage long microblaze_vfork(struct pt_regs *regs); +asmlinkage long microblaze_clone(int flags, unsigned long stack, + struct pt_regs *regs); +asmlinkage long microblaze_execve(const char __user *filenamei, + const char __user *const __user *argv, + const char __user *const __user *envp, + struct pt_regs *regs); + asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs); #define sys_clone sys_clone diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index d840f4a2d3c..5bb95a11880 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -120,16 +120,16 @@ static inline unsigned long __must_check __clear_user(void __user *to, { /* normal memset with two words to __ex_table */ __asm__ __volatile__ ( \ - "1: sb r0, %2, r0;" \ + "1: sb r0, %1, r0;" \ " addik %0, %0, -1;" \ " bneid %0, 1b;" \ - " addik %2, %2, 1;" \ + " addik %1, %1, 1;" \ "2: " \ __EX_TABLE_SECTION \ ".word 1b,2b;" \ ".previous;" \ - : "=r"(n) \ - : "0"(n), "r"(to) + : "=r"(n), "=r"(to) \ + : "0"(n), "1"(to) ); return n; } diff --git a/arch/microblaze/include/asm/unaligned.h b/arch/microblaze/include/asm/unaligned.h index 2b97cbe500e..b162ed88049 100644 --- a/arch/microblaze/include/asm/unaligned.h +++ b/arch/microblaze/include/asm/unaligned.h @@ -12,18 +12,19 @@ # ifdef __KERNEL__ -# include <linux/unaligned/be_byteshift.h> -# include <linux/unaligned/le_byteshift.h> -# include <linux/unaligned/generic.h> - - # ifdef __MICROBLAZEEL__ +# include <linux/unaligned/le_struct.h> +# include <linux/unaligned/be_byteshift.h> # define get_unaligned __get_unaligned_le # define put_unaligned __put_unaligned_le # else +# include <linux/unaligned/be_struct.h> +# include <linux/unaligned/le_byteshift.h> # define get_unaligned __get_unaligned_be # define put_unaligned __put_unaligned_be # endif +# include <linux/unaligned/generic.h> + # endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_UNALIGNED_H */ |