diff options
Diffstat (limited to 'arch/frv/include')
| -rw-r--r-- | arch/frv/include/asm/atomic.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/dma-mapping.h | 41 | ||||
| -rw-r--r-- | arch/frv/include/asm/gdb-stub.h | 7 | ||||
| -rw-r--r-- | arch/frv/include/asm/mem-layout.h | 4 | ||||
| -rw-r--r-- | arch/frv/include/asm/pci.h | 45 | ||||
| -rw-r--r-- | arch/frv/include/asm/pgtable.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/ptrace.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/scatterlist.h | 40 | ||||
| -rw-r--r-- | arch/frv/include/asm/segment.h | 6 | ||||
| -rw-r--r-- | arch/frv/include/asm/thread_info.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/uaccess.h | 2 | ||||
| -rw-r--r-- | arch/frv/include/asm/unistd.h | 1 |
12 files changed, 22 insertions, 132 deletions
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index 00a57af79afc..fae32c7fdcb6 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -36,7 +36,7 @@ #define smp_mb__after_atomic_inc() barrier() #define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_set(v, i) (((v)->counter) = (i)) #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index b2898877c07b..6af5d83e2fb2 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -7,6 +7,11 @@ #include <asm/scatterlist.h> #include <asm/io.h> +/* + * See Documentation/DMA-API.txt for the description of how the + * following DMA API should work. + */ + #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) @@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_end; void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp); void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either pci_unmap_single or pci_dma_sync_single is performed. - */ extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction); -/* - * Unmap a single streaming mode DMA translation. The dma_addr and size - * must match what was provided for in a previous pci_map_single call. All - * other usages are undefined. - * - * After this call, reads by the cpu to the buffer are guarenteed to see - * whatever the device wrote there. - */ static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction) @@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, BUG_ON(direction == DMA_NONE); } -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above pci_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for pci_map_single are - * the same here. - */ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); -/* - * Unmap a set of streaming mode DMA translations. - * Again, cpu read rules concerning calls here are the same as for - * pci_unmap_single() above. - */ static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction) diff --git a/arch/frv/include/asm/gdb-stub.h b/arch/frv/include/asm/gdb-stub.h index 2da716407ff2..e6bedd0cd9a5 100644 --- a/arch/frv/include/asm/gdb-stub.h +++ b/arch/frv/include/asm/gdb-stub.h @@ -12,6 +12,7 @@ #ifndef __ASM_GDB_STUB_H #define __ASM_GDB_STUB_H +#undef GDBSTUB_DEBUG_IO #undef GDBSTUB_DEBUG_PROTOCOL #include <asm/ptrace.h> @@ -108,6 +109,12 @@ extern void gdbstub_printk(const char *fmt, ...); extern void debug_to_serial(const char *p, int n); extern void console_set_baud(unsigned baud); +#ifdef GDBSTUB_DEBUG_IO +#define gdbstub_io(FMT,...) gdbstub_printk(FMT, ##__VA_ARGS__) +#else +#define gdbstub_io(FMT,...) ({ 0; }) +#endif + #ifdef GDBSTUB_DEBUG_PROTOCOL #define gdbstub_proto(FMT,...) gdbstub_printk(FMT,##__VA_ARGS__) #else diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h index 2947764fc0e0..ccae981876fa 100644 --- a/arch/frv/include/asm/mem-layout.h +++ b/arch/frv/include/asm/mem-layout.h @@ -35,8 +35,8 @@ * the slab must be aligned such that load- and store-double instructions don't * fault if used */ -#define ARCH_KMALLOC_MINALIGN 8 -#define ARCH_SLAB_MINALIGN 8 +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES +#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES /*****************************************************************************/ /* diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 492b5c4dfed6..0d5997909850 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -43,14 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) -/* pci_unmap_{page,single} is a nop so... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) -#define pci_unmap_addr(PTR, ADDR_NAME) (0) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) -#define pci_unmap_len(PTR, LEN_NAME) (0) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, @@ -68,41 +60,4 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, #define PCIBIOS_MIN_IO 0x100 #define PCIBIOS_MIN_MEM 0x00010000 -/* Make physical memory consistent for a single - * streaming mode DMA translation after a transfer. - * - * If you perform a pci_map_single() but wish to interrogate the - * buffer using the cpu, yet do not wish to teardown the PCI dma - * mapping, you must call this function before doing so. At the - * next point you give the PCI dma address back to the card, the - * device again owns the buffer. - */ -static inline void pci_dma_sync_single(struct pci_dev *hwdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - BUG_ON(direction == PCI_DMA_NONE); - - frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle), - (unsigned long)bus_to_virt(dma_handle) + size); -} - -/* Make physical memory consistent for a set of streaming - * mode DMA translations after a transfer. - * - * The same as pci_dma_sync_single but for a scatter-gather list, - * same rules and usage. - */ -static inline void pci_dma_sync_sg(struct pci_dev *hwdev, - struct scatterlist *sg, - int nelems, int direction) -{ - int i; - BUG_ON(direction == PCI_DMA_NONE); - - for (i = 0; i < nelems; i++) - frv_cache_wback_inv(sg_dma_address(&sg[i]), - sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); -} - #endif /* _ASM_FRV_PCI_H */ diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h index 22c60692b551..c18b0d32e636 100644 --- a/arch/frv/include/asm/pgtable.h +++ b/arch/frv/include/asm/pgtable.h @@ -505,7 +505,7 @@ static inline int pte_file(pte_t pte) /* * preload information about a newly instantiated PTE into the SCR0/SCR1 PGE cache */ -static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { struct mm_struct *mm; unsigned long ampr; diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index a54b535c9e49..6bfad4cf1907 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h @@ -84,8 +84,6 @@ extern void show_regs(struct pt_regs *); #define task_pt_regs(task) ((task)->thread.frame0) #define arch_has_single_step() (1) -extern void user_enable_single_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/frv/include/asm/scatterlist.h b/arch/frv/include/asm/scatterlist.h index 4bca8a28546c..1614bfd7e3a4 100644 --- a/arch/frv/include/asm/scatterlist.h +++ b/arch/frv/include/asm/scatterlist.h @@ -1,45 +1,7 @@ #ifndef _ASM_SCATTERLIST_H #define _ASM_SCATTERLIST_H -#include <asm/types.h> - -/* - * Drivers must set either ->address or (preferred) page and ->offset - * to indicate where data must be transferred to/from. - * - * Using page is recommended since it handles highmem data as well as - * low mem. ->address is restricted to data which has a virtual mapping, and - * it will go away in the future. Updating to page can be automated very - * easily -- something like - * - * sg->address = some_ptr; - * - * can be rewritten as - * - * sg_set_buf(sg, some_ptr, length); - * - * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens - */ -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; /* for highmem, page offset */ - - dma_addr_t dma_address; - unsigned int length; -}; - -/* - * These macros should be used after a pci_map_sg call has been done - * to get bus addresses of each of the SG entries and their lengths. - * You should only work with the number of sg entries pci_map_sg - * returns, or alternatively stop on the first sg_dma_len(sg) which - * is 0. - */ -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) +#include <asm-generic/scatterlist.h> #define ISA_DMA_THRESHOLD (0xffffffffUL) diff --git a/arch/frv/include/asm/segment.h b/arch/frv/include/asm/segment.h index e3616a6f941d..a2320a4a0042 100644 --- a/arch/frv/include/asm/segment.h +++ b/arch/frv/include/asm/segment.h @@ -21,12 +21,12 @@ typedef struct { #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) -#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL) - #ifdef CONFIG_MMU #define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) +#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL) #else -#define USER_DS KERNEL_DS +#define USER_DS MAKE_MM_SEG(memory_end) +#define KERNEL_DS MAKE_MM_SEG(0xe0000000UL) #endif #define get_ds() (KERNEL_DS) diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index e608e056bb53..11f33ead29bf 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -113,7 +113,7 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 /* OOM killer killed process */ +#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define TIF_FREEZE 18 /* freezing for suspend */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h index 53650c958f41..0b67ec5b4414 100644 --- a/arch/frv/include/asm/uaccess.h +++ b/arch/frv/include/asm/uaccess.h @@ -27,8 +27,6 @@ #define VERIFY_READ 0 #define VERIFY_WRITE 1 -#define __addr_ok(addr) ((unsigned long)(addr) < get_addr_limit()) - /* * check that a range of addresses falls within the current address limit */ diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index be6ef0f5cd42..b28da499e22a 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -354,6 +354,7 @@ #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM /* #define __ARCH_WANT_SYS_GETHOSTNAME */ +#define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE /* #define __ARCH_WANT_SYS_SGETMASK */ /* #define __ARCH_WANT_SYS_SIGNAL */ |