Changeset 2902e1bb in mainline for kernel/arch/ia32/src/userspace.c


Ignore:
Timestamp:
2012-06-13T13:17:46Z (12 years ago)
Author:
Martin Decky <martin@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
1d4024cf, 375e501
Parents:
faba839
Message:

add support for variable uspace stack size
create individual address space areas for stacks of additional threads (instead of allocating the stack from heap)
avoid memory leaks in program_create()

File:
1 edited

Legend:

Unmodified
Added
Removed

  • kernel/arch/ia32/src/userspace.c

    rfaba839 r2902e1bb  
    6363               
    6464                "pushl %[udata_des]\n"
    65                 "pushl %[stack_size]\n"
     65                "pushl %[stack_top]\n"
    6666                "pushl %[ipl]\n"
    6767                "pushl %[utext_des]\n"
    … …  
    7575                :
    7676                : [udata_des] "i" (GDT_SELECTOR(UDATA_DES) | PL_USER),
    77                   [stack_size] "r" ((uint8_t *) kernel_uarg->uspace_stack + STACK_SIZE),
     77                  [stack_top] "r" ((uint8_t *) kernel_uarg->uspace_stack +
     78                      kernel_uarg->uspace_stack_size),
    7879                  [ipl] "r" (ipl),
    7980                  [utext_des] "i" (GDT_SELECTOR(UTEXT_DES) | PL_USER),
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