Changeset 762a824 in mainline for arch/ppc32/src/boot/boot.S


Ignore:
Timestamp:
2006-05-01T14:44:37Z (19 years ago)
Author:
Martin Decky <martin@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
16dad032
Parents:
0f27b4c
Message:

ppc32: proper exception handling from user-space
code cleanup

File:
1 edited

Legend:

Unmodified
Added
Removed

  • arch/ppc32/src/boot/boot.S

    r0f27b4c r762a824  
    3535kernel_image_start:
    3636
    37         # load temporary stack
     37        # load temporal kernel stack
    3838       
    39         lis sp, end_stack@ha
    40         addi sp, sp, end_stack@l
     39        lis sp, kernel_stack@ha
     40        addi sp, sp, kernel_stack@l
     41       
     42        # set kernel stack for interrupt handling
     43       
     44        mr r31, sp
     45        subis r31, r31, 0x8000
     46        mtsprg0 r31
    4147       
    4248        # r3 contains physical address of bootinfo_t
    4349        # r4 contains size of bootinfo_t
    4450       
    45         lis r31, 0x80000000@ha
    46         addi r31, r31, 0x80000000@l
    47        
    48         add r3, r3, r31
     51        addis r3, r3, 0x8000
    4952
    5053        lis r31, bootinfo@ha
    … …  
    7376.section K_DATA_START, "aw", @progbits
    7477
     78.align 12
     79kernel_stack_bottom:
    7580        .space TEMP_STACK_SIZE
    76 end_stack:
     81kernel_stack:
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