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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | /* Project: OSLib |
| 2 | * Description: The OS Construction Kit |
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| 3 | * Date: 1.6.2000 |
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| 4 | * Idea by: Luca Abeni & Gerardo Lamastra |
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| 5 | * |
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| 6 | * OSLib is an SO project aimed at developing a common, easy-to-use |
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| 7 | * low-level infrastructure for developing OS kernels and Embedded |
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| 8 | * Applications; it partially derives from the HARTIK project but it |
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| 9 | * currently is independently developed. |
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| 10 | * |
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| 11 | * OSLib is distributed under GPL License, and some of its code has |
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| 12 | * been derived from the Linux kernel source; also some important |
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| 13 | * ideas come from studying the DJGPP go32 extender. |
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| 14 | * |
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| 15 | * We acknowledge the Linux Community, Free Software Foundation, |
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| 16 | * D.J. Delorie and all the other developers who believe in the |
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| 17 | * freedom of software and ideas. |
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| 18 | * |
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| 19 | * For legalese, check out the included GPL license. |
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| 20 | */ |
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| 21 | |||
| 22 | /* Safe abort routine & timer asm handler */ |
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| 23 | |||
| 24 | .title "Abort.S" |
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| 25 | |||
| 26 | #include <ll/i386/sel.h> |
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| 27 | #include <ll/i386/linkage.h> |
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| 28 | #include <ll/i386/defs.h> |
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| 29 | |||
| 30 | #include <ll/sys/ll/exc.h> |
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| 31 | |||
| 32 | .data |
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| 33 | |||
| 34 | ASMFILE(Abort) |
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| 35 | |||
| 36 | #define SAFESTACKSIZE 4096 |
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| 37 | |||
| 38 | .bss |
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| 39 | /* Safe stack area for aborts */ |
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| 40 | .space 4096,0 |
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| 41 | SafeStack: |
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| 42 | |||
| 43 | .extern SYMBOL_NAME(act_int) |
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| 44 | .extern SYMBOL_NAME(abort_tail) |
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| 45 | |||
| 46 | .text |
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| 47 | |||
| 48 | .globl SYMBOL_NAME(ll_abort) |
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| 49 | |||
| 50 | SYMBOL_NAME_LABEL(ll_abort) |
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| 51 | /* As we are terminating we cannnot handle */ |
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| 52 | /* any other interrupt! */ |
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| 53 | cli |
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| 54 | /* Get argument */ |
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| 55 | movl 4(%esp),%eax |
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| 56 | /* Switch to safe stack */ |
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| 57 | movl $(SafeStack),%esp |
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| 58 | /* Push argument */ |
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| 59 | pushl %eax |
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| 60 | /* Call sys_abort(code) */ |
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| 61 | call SYMBOL_NAME(abort_tail) |