define archhelp
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
endef
-
/* All records are aligned to 4 bytes */
typedef struct bp_tag {
- unsigned short id; /* tag id */
- unsigned short size; /* size of this record excluding the structure*/
- unsigned long data[0]; /* data */
+ unsigned short id; /* tag id */
+ unsigned short size; /* size of this record excluding the structure*/
+ unsigned long data[0]; /* data */
} bp_tag_t;
typedef struct meminfo {
- unsigned long type;
- unsigned long start;
- unsigned long end;
+ unsigned long type;
+ unsigned long start;
+ unsigned long end;
} meminfo_t;
#define SYSMEM_BANKS_MAX 5
#define MEMORY_TYPE_NONE 0x2000
typedef struct sysmem_info {
- int nr_banks;
- meminfo_t bank[SYSMEM_BANKS_MAX];
+ int nr_banks;
+ meminfo_t bank[SYSMEM_BANKS_MAX];
} sysmem_info_t;
extern sysmem_info_t sysmem;
#endif
#endif
-
-
-
__loop_cache_page \ar \as ihi XCHAL_ICACHE_LINEWIDTH
.endm
-
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page*);
extern void flush_cache_range(struct vm_area_struct*, ulong, ulong);
-extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned long);
+extern void flush_cache_page(struct vm_area_struct*,
+ unsigned long, unsigned long);
#else
* better 64-bit) boundary
*/
-asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, int len, __wsum sum,
- int *src_err_ptr, int *dst_err_ptr);
+asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
+ int len, __wsum sum,
+ int *src_err_ptr, int *dst_err_ptr);
/*
* Note: when you get a NULL pointer exception here this means someone
static inline
__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum, int *err_ptr)
+ int len, __wsum sum, int *err_ptr)
{
return csum_partial_copy_generic((__force const void *)src, dst,
len, sum, err_ptr, NULL);
/* Since the input registers which are loaded with iph and ihl
are modified, we must also specify them as outputs, or gcc
will assume they contain their original values. */
- : "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp), "=&r" (endaddr)
+ : "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp),
+ "=&r" (endaddr)
: "1" (iph), "2" (ihl)
: "memory");
static __inline__ __sum16 ip_compute_csum(const void *buff, int len)
{
- return csum_fold (csum_partial(buff, len, 0));
+ return csum_fold (csum_partial(buff, len, 0));
}
#define _HAVE_ARCH_IPV6_CSUM
* Copy and checksum to user
*/
#define HAVE_CSUM_COPY_USER
-static __inline__ __wsum csum_and_copy_to_user(const void *src, void __user *dst,
- int len, __wsum sum, int *err_ptr)
+static __inline__ __wsum csum_and_copy_to_user(const void *src,
+ void __user *dst, int len,
+ __wsum sum, int *err_ptr)
{
if (access_ok(VERIFY_WRITE, dst, len))
- return csum_partial_copy_generic(src, dst, len, sum, NULL, err_ptr);
+ return csum_partial_copy_generic(src,dst,len,sum,NULL,err_ptr);
if (len)
*err_ptr = -EFAULT;
#endif
}
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+#define xchg(ptr,x) \
+ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
/*
* This only works if the compiler isn't horribly bad at optimizing.
#define GET_CURRENT(reg,sp) \
GET_THREAD_INFO(reg,sp); \
- l32i reg, reg, TI_TASK \
+ l32i reg, reg, TI_TASK \
#endif
static inline void __delay(unsigned long loops)
{
- /* 2 cycles per loop. */
- __asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b"
- : "=r" (loops) : "0" (loops));
+ /* 2 cycles per loop. */
+ __asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b"
+ : "=r" (loops) : "0" (loops));
}
static __inline__ u32 xtensa_get_ccount(void)
}
#endif
-
}
static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
+ size_t size, enum dma_data_direction direction)
{
consistent_sync((void *)bus_to_virt(dma_handle), size, direction);
}
*/
#define ELF_PLAT_INIT(_r, load_addr) \
- do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0; _r->areg[3]=0; \
- _r->areg[4]=0; _r->areg[5]=0; _r->areg[6]=0; _r->areg[7]=0; \
- _r->areg[8]=0; _r->areg[9]=0; _r->areg[10]=0; _r->areg[11]=0; \
- _r->areg[12]=0; _r->areg[13]=0; _r->areg[14]=0; _r->areg[15]=0; \
- } while (0)
+ do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0; _r->areg[3]=0; \
+ _r->areg[4]=0; _r->areg[5]=0; _r->areg[6]=0; _r->areg[7]=0; \
+ _r->areg[8]=0; _r->areg[9]=0; _r->areg[10]=0; _r->areg[11]=0; \
+ _r->areg[12]=0; _r->areg[13]=0; _r->areg[14]=0; _r->areg[15]=0; \
+ } while (0)
typedef struct {
xtregs_opt_t opt;
extern void flush_cache_kmaps(void);
#endif
-
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
- struct task_struct *tsk)
+ struct task_struct *tsk)
{
unsigned long asid = asid_cache;
{
}
-static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+static inline int init_new_context(struct task_struct *tsk,struct mm_struct *mm)
{
return 0;
}
* PAGE_SHIFT determines the page size
*/
-#define PAGE_SHIFT 12
-#define PAGE_SIZE (__XTENSA_UL_CONST(1) << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE-1))
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (__XTENSA_UL_CONST(1) << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
#ifdef CONFIG_MMU
-#define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR
-#define MAX_MEM_PFN XCHAL_KSEG_SIZE
+#define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR
+#define MAX_MEM_PFN XCHAL_KSEG_SIZE
#else
-#define PAGE_OFFSET 0
-#define MAX_MEM_PFN (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE)
+#define PAGE_OFFSET 0
+#define MAX_MEM_PFN (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE)
#endif
-#define PGTABLE_START 0x80000000
+#define PGTABLE_START 0x80000000
/*
* Cache aliasing:
#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
-#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
+#define pfn_valid(pfn) \
+ ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
+
#ifdef CONFIG_DISCONTIGMEM
# error CONFIG_DISCONTIGMEM not supported
#endif
struct pci_controller {
int index; /* used for pci_controller_num */
struct pci_controller *next;
- struct pci_bus *bus;
+ struct pci_bus *bus;
void *arch_data;
int first_busno;
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine);
+ enum pci_mmap_state mmap_state, int write_combine);
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP 1
extern struct kmem_cache *pgtable_cache;
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
return kmem_cache_alloc(pgtable_cache, GFP_KERNEL|__GFP_REPEAT);
static inline int
ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr,
- pte_t *ptep)
+ pte_t *ptep)
{
pte_t pte = *ptep;
if (!pte_young(pte))
static inline void
ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
- pte_t pte = *ptep;
- update_pte(ptep, pte_wrprotect(pte));
+ pte_t pte = *ptep;
+ update_pte(ptep, pte_wrprotect(pte));
}
/* to find an entry in a kernel page-table-directory */
*/
#define io_remap_pfn_range(vma,from,pfn,size,prot) \
- remap_pfn_range(vma, from, pfn, size, prot)
+ remap_pfn_range(vma, from, pfn, size, prot)
typedef pte_t *pte_addr_t;
extern void platform_calibrate_ccount (void);
#endif /* _XTENSA_PLATFORM_H */
-
#define MAKE_PC_FROM_RA(ra,sp) (((ra) & 0x3fffffff) | ((sp) & 0xc0000000))
typedef struct {
- unsigned long seg;
+ unsigned long seg;
} mm_segment_t;
struct thread_struct {
* set_thread_state in signal.c depends on it.
*/
#define USER_PS_VALUE ((1 << PS_WOE_BIT) | \
- (1 << PS_CALLINC_SHIFT) | \
- (USER_RING << PS_RING_SHIFT) | \
- (1 << PS_UM_BIT) | \
- (1 << PS_EXCM_BIT))
+ (1 << PS_CALLINC_SHIFT) | \
+ (USER_RING << PS_RING_SHIFT) | \
+ (1 << PS_UM_BIT) | \
+ (1 << PS_EXCM_BIT))
/* Clearing a0 terminates the backtrace. */
#define start_thread(regs, new_pc, new_sp) \
# define arch_has_single_step() (1)
# define task_pt_regs(tsk) ((struct pt_regs*) \
- (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
+ (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
# define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
# define instruction_pointer(regs) ((regs)->pc)
#define DEBUGCAUSE_ICOUNT_BIT 0 /* ICOUNT would incr. to zero */
#endif /* _XTENSA_SPECREG_H */
-
/* Should probably move to linux/syscalls.h */
struct pollfd;
asmlinkage long sys_pselect6(int n, fd_set __user *inp, fd_set __user *outp,
- fd_set __user *exp, struct timespec __user *tsp, void __user *sig);
+ fd_set __user *exp, struct timespec __user *tsp,
+ void __user *sig);
asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
- struct timespec __user *tsp, const sigset_t __user *sigmask,
- size_t sigsetsize);
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
- size_t sigsetsize);
+ struct timespec __user *tsp,
+ const sigset_t __user *sigmask,
+ size_t sigsetsize);
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
#define segment_eq(a,b) ((a).seg == (b).seg)
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
-#define __user_ok(addr,size) (((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size)))
+#define __user_ok(addr,size) \
+ (((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size)))
#define __access_ok(addr,size) (__kernel_ok || __user_ok((addr),(size)))
#define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size))
int __cb; \
retval = 0; \
switch (size) { \
- case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb); break; \
- case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break; \
- case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break; \
- case 8: { \
+ case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb); break; \
+ case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break; \
+ case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break; \
+ case 8: { \
__typeof__(*ptr) __v64 = x; \
retval = __copy_to_user(ptr,&__v64,8); \
break; \
* __check_align_* macros still work.
*/
#define __put_user_asm(x, addr, err, align, insn, cb) \
- __asm__ __volatile__( \
+__asm__ __volatile__( \
__check_align_##align \
"1: "insn" %2, %3, 0 \n" \
"2: \n" \
" .long 2b \n" \
"5: \n" \
" l32r %1, 4b \n" \
- " movi %0, %4 \n" \
- " jx %1 \n" \
+ " movi %0, %4 \n" \
+ " jx %1 \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
" .long 1b, 5b \n" \
do { \
int __cb; \
retval = 0; \
- switch (size) { \
- case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb); break; \
- case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break; \
- case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb); break; \
- case 8: retval = __copy_from_user(&x,ptr,8); break; \
- default: (x) = __get_user_bad(); \
- } \
+ switch (size) { \
+ case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb); break; \
+ case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break; \
+ case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb); break; \
+ case 8: retval = __copy_from_user(&x,ptr,8); break; \
+ default: (x) = __get_user_bad(); \
+ } \
} while (0)
* __check_align_* macros still work.
*/
#define __get_user_asm(x, addr, err, align, insn, cb) \
- __asm__ __volatile__( \
+__asm__ __volatile__( \
__check_align_##align \
"1: "insn" %2, %3, 0 \n" \
"2: \n" \
"5: \n" \
" l32r %1, 4b \n" \
" movi %2, 0 \n" \
- " movi %0, %4 \n" \
- " jx %1 \n" \
+ " movi %0, %4 \n" \
+ " jx %1 \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
" .long 1b, 5b \n" \
#define copy_to_user(to,from,n) __generic_copy_to_user((to),(from),(n))
#define copy_from_user(to,from,n) __generic_copy_from_user((to),(from),(n))
-#define __copy_to_user(to,from,n) __generic_copy_to_user_nocheck((to),(from),(n))
-#define __copy_from_user(to,from,n) __generic_copy_from_user_nocheck((to),(from),(n))
+#define __copy_to_user(to,from,n) \
+ __generic_copy_to_user_nocheck((to),(from),(n))
+#define __copy_from_user(to,from,n) \
+ __generic_copy_from_user_nocheck((to),(from),(n))
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
#
# Replicate rules in scripts/Makefile.build
-sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \
- -e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g' \
+sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \
+ -e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g' \
-e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g'
quiet_cmd__cpp_lds_S = LDS $@
- cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \
- | sed $(sed-y) >$@
+cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \
+ | sed $(sed-y) >$@
$(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE
$(call if_changed_dep,_cpp_lds_S)
mov a1, a2
rsr a0, ps
- bbsi.l a2, PS_UM_BIT, 1f # jump if user mode
+ bbsi.l a2, PS_UM_BIT, 1f # jump if user mode
movi a0, _kernel_exception
jx a0
ENDPROC(fast_unaligned)
#endif /* XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION */
-
#endif
DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user));
DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t));
- DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds));
+ DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, \
+ thread.current_ds));
/* struct mm_struct */
DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
return 0;
}
-
ENDPROC(coprocessor_load)
/*
- * coprocessor_flush(struct task_info*, index)
+ * coprocessor_flush(struct task_info*, index)
* a2 a3
* coprocessor_restore(struct task_info*, index)
* a2 a3
END(coprocessor_owner)
#endif /* XTENSA_HAVE_COPROCESSORS */
-
_bnei a0, 1, 1f # no 'movsp a1, ax': jump
- /* Move the save area. This implies the use of the L32E
+ /* Move the save area. This implies the use of the L32E
* and S32E instructions, because this move must be done with
* the user's PS.RING privilege levels, not with ring 0
* (kernel's) privileges currently active with PS.EXCM
ENTRY(fast_syscall_unrecoverable)
- /* Restore all states. */
+ /* Restore all states. */
- l32i a0, a2, PT_AREG0 # restore a0
- xsr a2, depc # restore a2, depc
- rsr a3, excsave1
+ l32i a0, a2, PT_AREG0 # restore a0
+ xsr a2, depc # restore a2, depc
+ rsr a3, excsave1
- wsr a0, excsave1
- movi a0, unrecoverable_exception
- callx0 a0
+ wsr a0, excsave1
+ movi a0, unrecoverable_exception
+ callx0 a0
ENDPROC(fast_syscall_unrecoverable)
movi a3, exc_table
rsr a0, exccause
- addx4 a0, a0, a3 # find entry in table
- l32i a0, a0, EXC_TABLE_FAST_USER # load handler
- jx a0
+ addx4 a0, a0, a3 # find entry in table
+ l32i a0, a0, EXC_TABLE_FAST_USER # load handler
+ jx a0
fast_syscall_spill_registers_fixup_return:
rsr a0, ps
_bbci.l a0, PS_UM_BIT, 1f
- /* User space: Setup a dummy frame and kill application.
+ /* User space: Setup a dummy frame and kill application.
* Note: We assume EXC_TABLE_KSTK contains a valid stack pointer.
*/
struct module *mod)
{
unsigned int i;
- Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
+ Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
Elf32_Sym *sym;
unsigned char *location;
uint32_t value;
ccount_per_jiffy = 10 * (1000000UL/HZ);
});
#endif
-
void cpu_idle(void)
{
- local_irq_enable();
+ local_irq_enable();
/* endless idle loop with no priority at all */
while (1) {
coprocessor_flush_all(ti);
coprocessor_release_all(ti);
- ret |= __copy_from_user(&ti->xtregs_cp, &xtregs->cp0,
+ ret |= __copy_from_user(&ti->xtregs_cp, &xtregs->cp0,
sizeof(xtregs_coprocessor_t));
#endif
ret |= __copy_from_user(®s->xtregs_opt, &xtregs->opt,
&& (current->ptrace & PT_PTRACED))
do_syscall_trace();
}
-
/* Parse boot parameters */
- if (bp_start)
+ if (bp_start)
parse_bootparam(bp_start);
#ifdef CONFIG_OF
initrd_is_mapped = mem_reserve(__pa(initrd_start),
__pa(initrd_end), 0);
initrd_below_start_ok = 1;
- } else {
+ } else {
initrd_start = 0;
}
#endif
"core ID\t\t: " XCHAL_CORE_ID "\n"
"build ID\t: 0x%x\n"
"byte order\t: %s\n"
- "cpu MHz\t\t: %lu.%02lu\n"
+ "cpu MHz\t\t: %lu.%02lu\n"
"bogomips\t: %lu.%02lu\n",
XCHAL_BUILD_UNIQUE_ID,
XCHAL_HAVE_BE ? "big" : "little",
};
#endif /* CONFIG_PROC_FS */
-
if (err)
return err;
- /* The signal handler may have used coprocessors in which
+ /* The signal handler may have used coprocessors in which
* case they are still enabled. We disable them to force a
* reloading of the original task's CP state by the lazy
* context-switching mechanisms of CP exception handling.
*/
/* Set up registers for signal handler */
- start_thread(regs, (unsigned long) ka->sa.sa_handler,
+ start_thread(regs, (unsigned long) ka->sa.sa_handler,
(unsigned long) frame);
/* Set up a stack frame for a call4
return -EFAULT;
}
-asmlinkage long xtensa_sigaltstack(const stack_t __user *uss,
+asmlinkage long xtensa_sigaltstack(const stack_t __user *uss,
stack_t __user *uoss,
- long a2, long a3, long a4, long a5,
+ long a2, long a3, long a4, long a5,
struct pt_regs *regs)
{
return do_sigaltstack(uss, uoss, regs->areg[1]);
{
return sys_fadvise64_64(fd, offset, len, advice);
}
-
"wsr a13, sar\n\t"
"wsr a14, ps\n\t"
:: "a" (&a0), "a" (&ps)
- : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory");
+ : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15",
+ "memory");
}
void show_trace(struct task_struct *task, unsigned long *sp)
if (!sp)
sp = stack_pointer(task);
- stack = sp;
+ stack = sp;
printk("\nStack: ");
do_exit(err);
}
-
-
ENDPROC(_WindowUnderflow12)
.text
-
-
.text
ENTRY(csum_partial)
- /*
- * Experiments with Ethernet and SLIP connections show that buf
- * is aligned on either a 2-byte or 4-byte boundary.
- */
+
+ /*
+ * Experiments with Ethernet and SLIP connections show that buf
+ * is aligned on either a 2-byte or 4-byte boundary.
+ */
entry sp, 32
extui a5, a2, 0, 2
bnez a5, 8f /* branch if 2-byte aligned */
retw
.previous
-
_beqz a4, .Ldone # avoid loading anything for zero-length copies
# copy 16 bytes per iteration for word-aligned dst and unaligned src
ssa8 a3 # set shift amount from byte offset
-#define SIM_CHECKS_ALIGNMENT 1 /* set to 1 when running on ISS (simulator) with the
- lint or ferret client, or 0 to save a few cycles */
+
+/* set to 1 when running on ISS (simulator) with the
+ lint or ferret client, or 0 to save a few cycles */
+#define SIM_CHECKS_ALIGNMENT 1
#if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
and a11, a3, a8 # save unalignment offset for below
sub a3, a3, a11 # align a3
unsigned char header_type;
struct pci_dev *dev = &pciauto_dev;
- pciauto_dev.bus = &pciauto_bus;
- pciauto_dev.sysdata = pci_ctrl;
+ pciauto_dev.bus = &pciauto_bus;
+ pciauto_dev.sysdata = pci_ctrl;
pciauto_bus.ops = pci_ctrl->ops;
/*
}
return sub_bus;
}
-
-
-
-
-
retw
.Lz1: # byte 1 is zero
#ifdef __XTENSA_EB__
- extui a9, a9, 16, 16
+ extui a9, a9, 16, 16
#endif /* __XTENSA_EB__ */
EX(s16i, a9, a11, 0, fixup_s)
addi a11, a11, 1 # advance dst pointer
retw
.Lz2: # byte 2 is zero
#ifdef __XTENSA_EB__
- extui a9, a9, 16, 16
+ extui a9, a9, 16, 16
#endif /* __XTENSA_EB__ */
EX(s16i, a9, a11, 0, fixup_s)
movi a9, 0
lenfixup:
movi a2, 0
retw
-
/* Ignore memset return value in a6. */
/* a2 still contains bytes not copied. */
retw
-
* For now, flush the whole cache. FIXME??
*/
-void flush_cache_range(struct vm_area_struct* vma,
+void flush_cache_range(struct vm_area_struct* vma,
unsigned long start, unsigned long end)
{
__flush_invalidate_dcache_all();
*/
void flush_cache_page(struct vm_area_struct* vma, unsigned long address,
- unsigned long pfn)
+ unsigned long pfn)
{
/* Note that we have to use the 'alias' address to avoid multi-hit */
if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) {
- unsigned long vaddr = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK);
unsigned long paddr = (unsigned long) page_address(page);
unsigned long phys = page_to_phys(page);
+ unsigned long tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK);
__flush_invalidate_dcache_page(paddr);
- __flush_invalidate_dcache_page_alias(vaddr, phys);
- __invalidate_icache_page_alias(vaddr, phys);
+ __flush_invalidate_dcache_page_alias(tmp, phys);
+ __invalidate_icache_page_alias(tmp, phys);
clear_bit(PG_arch_1, &page->flags);
}
#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
-void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
/* Flush and invalidate user page if aliased. */
if (alias) {
- unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
- __flush_invalidate_dcache_page_alias(temp, phys);
+ unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
+ __flush_invalidate_dcache_page_alias(t, phys);
}
/* Copy data */
*/
if (alias) {
- unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
+ unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
__flush_invalidate_dcache_range((unsigned long) dst, len);
- if ((vma->vm_flags & VM_EXEC) != 0) {
- __invalidate_icache_page_alias(temp, phys);
- }
+ if ((vma->vm_flags & VM_EXEC) != 0)
+ __invalidate_icache_page_alias(t, phys);
} else if ((vma->vm_flags & VM_EXEC) != 0) {
__flush_dcache_range((unsigned long)dst,len);
*/
if (alias) {
- unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
- __flush_invalidate_dcache_page_alias(temp, phys);
+ unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
+ __flush_invalidate_dcache_page_alias(t, phys);
}
memcpy(dst, src, len);
die("Oops", regs, sig);
do_exit(sig);
}
-
sysmem.nr_banks++;
}
sysmem.bank[i].end = start;
+
+ } else if (end < sysmem.bank[i].end) {
+ sysmem.bank[i].start = end;
+
} else {
- if (end < sysmem.bank[i].end)
- sysmem.bank[i].start = end;
- else {
- /* remove entry */
- sysmem.nr_banks--;
- sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start;
- sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end;
- }
+ /* remove entry */
+ sysmem.nr_banks--;
+ sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start;
+ sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end;
}
return -1;
}
ENTRY(copy_user_page)
- entry a1, 32
+ entry a1, 32
/* Mark page dirty and determine alias for destination. */
#endif
void flush_tlb_range (struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
+ unsigned long start, unsigned long end)
{
struct mm_struct *mm = vma->vm_mm;
unsigned long flags;
int oldpid = get_rasid_register();
set_rasid_register (ASID_INSERT(mm->context));
start &= PAGE_MASK;
- if (vma->vm_flags & VM_EXEC)
+ if (vma->vm_flags & VM_EXEC)
while(start < end) {
invalidate_itlb_mapping(start);
invalidate_dtlb_mapping(start);
local_save_flags(flags);
- oldpid = get_rasid_register();
+ oldpid = get_rasid_register();
if (vma->vm_flags & VM_EXEC)
invalidate_itlb_mapping(page);
local_irq_restore(flags);
}
-
projects / ~andy / linux / commitdiff