Changeset bd48f4c in mainline for kernel/arch/arm32/src


Ignore:
Timestamp:
2010-07-12T10:53:30Z (15 years ago)
Author:
Jiri Svoboda <jiri@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
bd11d3e
Parents:
c40e6ef (diff), bee2d4c (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge mainline changes.

Location:
kernel/arch/arm32/src
Files:
5 edited

Legend:

Unmodified
Added
Removed

  • kernel/arch/arm32/src/asm.S

    rc40e6ef rbd48f4c  
    1 #
    2 # Copyright (c) 2007 Michal Kebrt
    3 # All rights reserved.
    4 #
    5 # Redistribution and use in source and binary forms, with or without
    6 # modification, are permitted provided that the following conditions
    7 # are met:
    8 #
    9 # - Redistributions of source code must retain the above copyright
    10 #   notice, this list of conditions and the following disclaimer.
    11 # - Redistributions in binary form must reproduce the above copyright
    12 #   notice, this list of conditions and the following disclaimer in the
    13 #   documentation and/or other materials provided with the distribution.
    14 # - The name of the author may not be used to endorse or promote products
    15 #   derived from this software without specific prior written permission.
    16 #
    17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    27 #
     1/*
     2 * Copyright (c) 2007 Michal Kebrt
     3 * All rights reserved.
     4 *
     5 * Redistribution and use in source and binary forms, with or without
     6 * modification, are permitted provided that the following conditions
     7 * are met:
     8 *
     9 * - Redistributions of source code must retain the above copyright
     10 *   notice, this list of conditions and the following disclaimer.
     11 * - Redistributions in binary form must reproduce the above copyright
     12 *   notice, this list of conditions and the following disclaimer in the
     13 *   documentation and/or other materials provided with the distribution.
     14 * - The name of the author may not be used to endorse or promote products
     15 *   derived from this software without specific prior written permission.
     16 *
     17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 */
    2828
    29        
    3029.text
    3130
    … …  
    3736.global memcpy_from_uspace_failover_address
    3837.global memcpy_to_uspace_failover_address
     38.global early_putchar
    3939
    4040memsetb:
    … …  
    4747memcpy_from_uspace:
    4848memcpy_to_uspace:
    49         add     r3, r1, #3
    50         bic     r3, r3, #3
    51         cmp     r1, r3
    52         stmdb   sp!, {r4, r5, lr}
    53         mov     r5, r0                  /* save dst */
    54         beq     4f
    55 1:
    56         cmp     r2, #0
    57         movne   ip, #0
    58         beq     3f
    59 2:
    60         ldrb    r3, [ip, r1]
    61         strb    r3, [ip, r0]
    62         add     ip, ip, #1
    63         cmp     ip, r2
    64         bne     2b
    65 3:
    66         mov     r0, r5
    67         ldmia   sp!, {r4, r5, pc}
    68 4:
    69         add     r3, r0, #3
    70         bic     r3, r3, #3
    71         cmp     r0, r3
    72         bne     1b
    73         movs    r4, r2, lsr #2
    74         moveq   lr, r4
    75         beq     6f
    76         mov     lr, #0
    77         mov     ip, lr
    78 5:
    79         ldr     r3, [ip, r1]
    80         add     lr, lr, #1
    81         cmp     lr, r4
    82         str     r3, [ip, r0]
    83         add     ip, ip, #4
    84         bne     5b
    85 6:
    86         ands    r4, r2, #3
    87         beq     3b
    88         mov     r3, lr, lsl #2
    89         add     r0, r3, r0
    90         add     ip, r3, r1
    91         mov     r2, #0
    92 7:
    93         ldrb    r3, [r2, ip]
    94         strb    r3, [r2, r0]
    95         add     r2, r2, #1
    96         cmp     r2, r4
    97         bne     7b
    98         b       3b
     49        add r3, r1, #3
     50        bic r3, r3, #3
     51        cmp r1, r3
     52        stmdb sp!, {r4, r5, lr}
     53        mov r5, r0 /* save dst */
     54        beq 4f
     55       
     56        1:
     57                cmp r2, #0
     58                movne ip, #0
     59                beq 3f
     60       
     61        2:
     62                ldrb r3, [ip, r1]
     63                strb r3, [ip, r0]
     64                add ip, ip, #1
     65                cmp ip, r2
     66                bne 2b
     67       
     68        3:
     69                mov r0, r5
     70                ldmia sp!, {r4, r5, pc}
     71       
     72        4:
     73                add r3, r0, #3
     74                bic r3, r3, #3
     75                cmp r0, r3
     76                bne 1b
     77                movs r4, r2, lsr #2
     78                moveq lr, r4
     79                beq 6f
     80                mov lr, #0
     81                mov ip, lr
     82       
     83        5:
     84                ldr r3, [ip, r1]
     85                add lr, lr, #1
     86                cmp lr, r4
     87                str r3, [ip, r0]
     88                add ip, ip, #4
     89                bne 5b
     90       
     91        6:
     92                ands r4, r2, #3
     93                beq 3b
     94                mov r3, lr, lsl #2
     95                add r0, r3, r0
     96                add ip, r3, r1
     97                mov r2, #0
     98       
     99        7:
     100                ldrb r3, [r2, ip]
     101                strb r3, [r2, r0]
     102                add r2, r2, #1
     103                cmp r2, r4
     104                bne 7b
     105                b 3b
    99106
    100107memcpy_from_uspace_failover_address:
    101108memcpy_to_uspace_failover_address:
    102         mov     r0, #0
    103         ldmia   sp!, {r4, r5, pc}
     109        mov r0, #0
     110        ldmia sp!, {r4, r5, pc}
     111
     112early_putchar:
     113        mov pc, lr

  • kernel/arch/arm32/src/exc_handler.S

    rc40e6ef rbd48f4c  
    9898        stmfd r13!, {r13, lr}^
    9999        stmfd r13!, {r2}
     100
     101        # Stop stack traces here
     102        mov fp, #0
     103       
    100104        b 2f
    101105
    … …  
    123127        stmfd r13!, {r2}
    1241282:
    125         # Stop stack traces here
    126         mov fp, #0
    127129.endm
    128130

  • kernel/arch/arm32/src/exception.c

    rc40e6ef rbd48f4c  
    173173 * @param istate Structure to be printed.
    174174 */
    175 void print_istate(istate_t *istate)
     175void istate_decode(istate_t *istate)
    176176{
    177         printf("istate dump:\n");
    178        
    179         printf(" r0: %x    r1: %x    r2: %x    r3: %x\n",
     177        printf("r0 =%#0.8lx\tr1 =%#0.8lx\tr2 =%#0.8lx\tr3 =%#0.8lx\n",
    180178            istate->r0, istate->r1, istate->r2, istate->r3);
    181         printf(" r4: %x    r5: %x    r6: %x    r7: %x\n",
     179        printf("r4 =%#0.8lx\tr5 =%#0.8lx\tr6 =%#0.8lx\tr7 =%#0.8lx\n",
    182180            istate->r4, istate->r5, istate->r6, istate->r7);
    183         printf(" r8: %x    r8: %x   r10: %x    fp: %x\n",
     181        printf("r8 =%#0.8lx\tr9 =%#0.8lx\tr10=%#0.8lx\tfp =%#0.8lx\n",
    184182            istate->r8, istate->r9, istate->r10, istate->fp);
    185         printf(" r12: %x    sp: %x    lr: %x  spsr: %x\n",
     183        printf("r12=%#0.8lx\tsp =%#0.8lx\tlr =%#0.8lx\tspsr=%#0.8lx\n",
    186184            istate->r12, istate->sp, istate->lr, istate->spsr);
    187        
    188         printf(" pc: %x\n", istate->pc);
    189 
    190         stack_trace_istate(istate);
    191185}
    192186

  • kernel/arch/arm32/src/mm/page.c

    rc40e6ef rbd48f4c  
    2727 */
    2828
    29 /** @addtogroup arm32mm 
     29/** @addtogroup arm32mm
    3030 * @{
    3131 */

  • kernel/arch/arm32/src/mm/page_fault.c

    rc40e6ef rbd48f4c  
    183183        if (ret == AS_PF_FAULT) {
    184184                fault_if_from_uspace(istate, "Page fault: %#x.", badvaddr);
    185                 print_istate(istate);
    186                 printf("page fault - pc: %x, va: %x, status: %x(%x), "
    187                     "access:%d\n", istate->pc, badvaddr, fsr.status, fsr,
    188                     access);
    189                
    190                 panic("Page fault.");
     185                panic_memtrap(istate, access, badvaddr, "Page fault.");
    191186        }
    192187}
    … …  
    203198
    204199        if (ret == AS_PF_FAULT) {
    205                 printf("prefetch_abort\n");
    206                 print_istate(istate);
    207                 panic("page fault - prefetch_abort at address: %x.",
    208                     istate->pc);
     200                panic_memtrap(istate, PF_ACCESS_EXEC, istate->pc,
     201                    "Page fault - prefetch_abort.");
    209202        }
    210203}
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